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Trials

Ausgabe 1/2023

Inhalt (823 Artikel)

Open Access Study protocol

Effects of Qingda granule on patients with grade 1 hypertension at low-medium risk: study protocol for a randomized, controlled, double-blind clinical trial

Lin-zi Long, Jian-feng Chu, Hua Qu, Qiao-ning Yang, Yan Lu, Chang-geng Fu, Jun Peng, Ke-ji Chen

Open Access Study protocol

Two-center randomized controlled trial comparing oral chloral hydrate and intranasal combination of dexmedetomidine and ketamine for procedural sedation in children: study protocol

Young-Eun Jang, Eun-Young Joo, Ji-Hyun Lee, Eun-Hee Kim, Pyoyoon Kang, Jung-Bin Park, Hee-Soo Kim, Jin-Tae Kim

Open Access Research

The effects of adjunctive treatment with l-carnitine on monitoring laboratory variables in ICU patients: a double-blinded randomized controlled clinical trial

Farveh Yahyapoor, Mahdi Keshani, Alireza Sedaghat, Awat Feizi, Cain C. T. Clark, Mohammad Bagherniya, Mohammad Safarian, Mohaddeseh Badpeyma, Abdolreza Norouzy

Open Access Research

Safety of AFM11 in the treatment of patients with B-cell malignancies: findings from two phase 1 studies

Max Topp, Monika Dlugosz-Danecka, Aleksander B. Skotnicki, Galina Salogub, Andreas Viardot, Andreas K. Klein, Georg Hess, Christian S. Michel, Sebastian Grosicki, Alex Gural, Sylvia E. Schwarz, Kerstin Pietzko, Ulrike Gärtner, András Strassz, Leila Alland, Jiri Mayer

Open Access Study protocol

Testing the effects of mass drug administration of azithromycin on mortality and other outcomes among 1–11-month-old infants in Mali (LAKANA): study protocol for a cluster-randomized, placebo-controlled, double-blinded, parallel-group, three-arm clinical trial

Laura Adubra, Dagmar Alber, Per Ashorn, Ulla Ashorn, Yin Bun Cheung, Elaine Cloutman-Green, Fatoumata Diallo, Camilla Ducker, Riku Elovainio, Yue-Mei Fan, Lily Gates, Gwydion Gruffudd, Tiia Haapaniemi, Fadima Haidara, Lotta Hallamaa, Rikhard Ihamuotila, Nigel Klein, Juho Luoma, Owen Martell, Samba Sow, Taru Vehmasto

Open Access Study protocol

Efficacy and safety of GLucocorticoid injections into InfrapaTellar faT pad in patients with knee ostEoarthRitiS: protocol for the GLITTERS randomized controlled trial

Yan Zhang, Guangfeng Ruan, Peng Zheng, Sili Huang, Xiaoni Zhou, Xuelian Liu, Wenjie Hu, Huiting Feng, Yangyang Lin, Juanjuan He, Zhenhai Wei, Jiangshan Zhang, Qing Chang, Xiaomei Wei, Tao Fan, Li Jiang, Changhai Ding

Open Access Study Protocol

Family wellbeing in general practice: a study protocol for a cluster-randomised trial of the web-based resilience programme on early child development

Gritt Overbeck, Jakob Kragstrup, Mette Gørtz, Ida Scheel Rasmussen, Anette Hauskov Graungaard, Volkert Siersma, Sarah de Voss, Ruth Kirk Ertmann, Sinead Shahrzad, Clara Lundmark Appel, Philip Wilson

Open Access Study protocol

Randomized controlled trial evaluating a virtual parenting intervention for young children at risk of obesity: study protocol for Parenting Addressing Early Years Intervention with Coaching Visits in Toronto (PARENT) trial

Sarah Rae, Jonathon Maguire, Mary Aglipay, Melanie Barwick, Karoon Danavan, Jess Haines, Jennifer Jenkins, Marie Klaassen, Myla E. Moretti, Frank Ong, Nav Persaud, Michelle Porepa, Sharon Straus, Erika Tavares, Andrew Willan, Catherine Birken

Open Access Study protocol

A cluster-randomized, placebo-controlled trial to evaluate the efficacy of a spatial repellent (Mosquito Shield™) against Aedes-borne virus infection among children ≥ 4–16 years of age in the Gampaha District, Sri Lanka: study protocol (the AEGIS program)

Hasitha Tissera, D. S. Anoja F. Dheerasinghe, Neelika Malavige, H. Asita de Silva, Amy C. Morrison, Thomas W. Scott, Robert C. Reiner Jr, John P. Grieco, Nicole L. Achee

Open Access Research

Randomized control trial of prednisolone and doxycycline in patients with acute interstitial nephritis of unknown aetiology

Zeid Badurdeen, Neelakanthi Ratnatunga, Tilak Abeysekera, Abdul. W. M. Wazil, Premil N. Rajakrishna, Jalitha P. Thinnarachchi, Dulani D. Welagedera, Nadeeka Ratnayake, Adambarage. P. D. Alwis, Hemalika Abeysundara, Ranjith Kumarasiri, Richard Taylor, Nishantha Nanayakkara

Open Access Study protocol

Comparison of high-flow nasal cannula and conventional oxygen therapy for high-risk patients during bronchoscopy examination: protocol for a randomized controlled trial

Hao Qin, Guo-Qiang Jing, Wei Tan, Jun Wang, Yi-Nan Yin, Rong-Zhang Chen, Wei Zhang, Jie Li

Open Access Methodology

A comparison of covariate adjustment approaches under model misspecification in individually randomized trials

Mia S. Tackney, Tim Morris, Ian White, Clemence Leyrat, Karla Diaz-Ordaz, Elizabeth Williamson

Open Access Study protocol

The CALM trial protocol: a randomised controlled trial of a guided self-help cognitive behavioural therapy intervention to reduce dental anxiety in children

Zoe Marshman, Helen Rodd, Caroline Fairhurst, Jenny Porritt, Bhupinder Dawett, Peter Day, Nicola Innes, Christopher Vernazza, Tim Newton, Sarah Ronaldson, Liz Cross, Jennie Ross, Sarah R. Baker, Catherine Hewitt, David Torgerson, Hannah Ainsworth

Open Access Study protocol

Improving patient-centered communication in breast cancer: a study protocol for a multilevel intervention of a shared treatment deliberation system (SharES) within the NCI community oncology research program (NCORP) (Alliance A231901CD)

Sarah T. Hawley, Kelley Kidwell, David Zahrieh, Anne McCarthy, Rachel Wills, Aaron Rankin, Timothy Hofer, Selina Chow, Reshma Jagsi, Heather Neuman

Open Access Study Protocol

Implementation of an evidence-based management algorithm for patients with chronic pancreatitis (COMBO trial): study protocol for a stepped-wedge cluster-randomized controlled trial

Florence E. M. de Rijk, Charlotte L. van Veldhuisen, Marc G. Besselink, Jeanin E. van Hooft, Hjalmar C. van Santvoort, Erwin J. M. van Geenen, Cornelis H. van Werkhoven, Pieter Jan F. de Jonge, Marco J. Bruno, Robert C. Verdonk

Open Access Study Protocol

TRansfusion strategies in Acute brain INjured patients (TRAIN): a prospective multicenter randomized interventional trial protocol

Fabio Silvio Taccone, Rafael Badenes, Carla Bittencourt Rynkowski, Pierre Bouzat, Anselmo Caricato, Pedro Kurtz, Kirsten Moller, Manuel Quintana Diaz, Mathieu Van Der Jagt, Walter Videtta, Jean-Louis Vincent

Open Access Update

Pragmatic cluster randomized trial to evaluate effectiveness and implementation of EHR-facilitated collaborative symptom control in cancer (E2C2): addendum

Jeph Herrin, Lila J. Finney Rutten, Kathryn J. Ruddy, Kurt Kroenke, Andrea L. Cheville

Open Access Study protocol

The effect of guselkumab on inhibiting radiographic progression in patients with active psoriatic arthritis: study protocol for APEX, a Phase 3b, multicenter, randomized, double-blind, placebo-controlled trial

Christopher T. Ritchlin, Laura C. Coates, Philip J. Mease, Désirée van der Heijde, Jiao Song, Yusang Jiang, May Shawi, Alexa P. Kollmeier, Proton Rahman

Open Access Study protocol

Periradicular repair after single- and two-visit root canal treatments using ultrasonic irrigant activation and calcium hydroxide dressing of teeth with apical periodontitis: study protocol for randomized controlled trials

Gustavo M. Almeida, Vitor Hugo M. Carvalho, Érika B. P. Silva, Marco Antonio F. Cançado, Leonardo S. Barroso, Erica L. Queiroz, Tien Li An, Ana Paula D. Ribeiro, Jacy R. Carvalho-Junior, André F. Leite

Open Access Study protocol

An AI-based patient-specific clinical decision support system for OA patients choosing surgery or not: study protocol for a single-centre, parallel-group, non-inferiority randomised controlled trial

Nanna Kastrup, Helene H. Bjerregaard, Mogens Laursen, Jan B. Valentin, Søren P. Johnsen, Cathrine E. Jensen

Open Access COVID-19 Study protocol

Knowledge mobilization activities to support decision-making by youth, parents, and adults using a systematic and living map of evidence and recommendations on COVID-19: protocol for three randomized controlled trials and qualitative user-experience studies

Rana Charide, Lisa Stallwood, Matthew Munan, Shahab Sayfi, Lisa Hartling, Nancy J. Butcher, Martin Offringa, Sarah Elliott, Dawn P. Richards, Joseph L. Mathew, Elie A. Akl, Tamara Kredo, Lawrence Mbuagbaw, Ashley Motillal, Ami Baba, Matthew Prebeg, Jacqueline Relihan, Shannon D. Scott, Jozef Suvada, Maicon Falavigna, Miloslav Klugar, Tamara Lotfi, Adrienne Stevens, Kevin Pottie, Holger J. Schünemann

Open Access Correction

Correction: Acupuncture for the treatment of diarrheal-predominant irritable bowel syndrome: study protocol for a pilot randomized controlled trial

Ling-Yu Qi, Yu Wang, Li-Qiong Wang, Yan-Fen She, Guang-Xia Shi, Ying Li, Li-Li Chi, Bang-Qi Wu, Jian-Feng Tu, Ying Lin, Fang-Ting Yu, Jing-Wen Yang, Cun-Zhi Liu

Open Access Update

Statistical analysis plan for the motor neuron disease systematic multi-arm adaptive randomised trial (MND-SMART)

Richard A. Parker, Christopher J. Weir, Tra My Pham, Ian R. White, Nigel Stallard, Mahesh K. B. Parmar, Robert J. Swingler, Rachel S. Dakin, Suvankar Pal, Siddharthan Chandran

Open Access Study protocol

Rectal stimulation with prebiotics and probiotics before ileostomy reversal: a study protocol for a randomized controlled trial

Marília Marcelino, Francisco Tustumi, Lucas Soares Gerbasi, Rafael Vaz Pandini, Rafaela de Souza Novo, Marleny Novaes Figueiredo de Araujo, Elis Oliveira, Victor Edmond Seid, Sergio Eduardo Alonso Araujo

Open Access Study protocol

A Sequential Multiple Assignment Randomized Trial of scalable interventions for ART delivery in South Africa: the SMART ART study

Alastair van Heerden, Adam Szpiro, Xolani Ntinga, Connie Celum, Heidi van Rooyen, Zaynab Essack, Ruanne Barnabas

Open Access Research

The impact of different researchers to capture quality of life measures in a dementia randomised controlled trial

Rachel Evans, Paul Brocklehurst, Jean Ryan, Zoë Hoare

Open Access Study protocol

Reducing tobacco-associated lung cancer risk: a study protocol for a randomized clinical trial of AB-free kava

Chengguo Xing, John Malaty, Melissa Bou Malham, Anna Maria Abi Nehme, Breanne Freeman, Zhiguang Huo, Roberto Firpi-Morrel, Ramzi G. Salloum

Open Access Research

Restoring Study PRGF: a randomized clinical trial on plasma rich in growth factors for knee osteoarthritis

Luis Carlos Saiz, Juan Erviti, Leire Leache, Marta Gutiérrez-Valencia

Open Access Study protocol

Phlebotomy resulting in controlled hypovolemia to prevent blood loss in major hepatic resections (PRICE-2): study protocol for a phase 3 randomized controlled trial

Guillaume Martel, Tori Lenet, Christopher Wherrett, François-Martin Carrier, Leah Monette, Aklile Workneh, Karine Brousseau, Monique Ruel, Michaël Chassé, Yves Collin, Franck Vandenbroucke-Menu, Élodie Hamel-Perreault, Michel-Antoine Perreault, Jeieung Park, Shirley Lim, Véronique Maltais, Philemon Leung, Richard W. D. Gilbert, Maja Segedi, Jad Abou-Khalil, Kimberly A. Bertens, Fady K. Balaa, Tim Ramsay, Dean A. Fergusson

Open Access COVID-19 Study protocol

Effects of physical training on functional, clinical, morphological, behavioural and psychosocial outcomes in post-COVID-19 infection: COVID-19 and REhabilitation study (CORE-study)—a study protocol for a randomised controlled clinical trial

Rodrigo Sudatti Delevatti, Angelica Danielevicz, Maria Eduarda Sirydakis, Paulo Urubatan Gama de Melo, Cíntia de la Rocha Freitas, Cassiano Ricardo Rech, Luiz Guilherme Antonacci Guglielmo, Guilherme Fleury Fina Speretta, Fernanda Hansen, Fernanda Rodrigues Fonseca, Ana Carolina Starke, Ricardo Dantas de Lucas, José Tavares de Melo Junior, Rosemeri Maurici, Aline Mendes Gerage

Open Access Study protocol

Effect of high-frequency repetitive transcranial magnetic stimulation under different intensities upon rehabilitation of chronic pelvic pain syndrome: protocol for a randomized controlled trial

Mengyang Wang, Rui Xia, Jiao Shi, Chunhua Yang, Yongqing Zhang, Zhengxian Xu, Cancan Yu, Ziyi Wu, Min Wang, Shangjie Chen, Hongdang Qu

Open Access Study protocol

Telehealth multicomponent exercise and health education in breast cancer patients undergoing primary treatment: rationale and methodological protocol for a randomized clinical trial (ABRACE: Telehealth)

João S. Henkin, Cíntia E. Botton, Mariana S. Simon, Guilherme G. Rocha, Caroline B. Silveira, Ricardo S. Gehrke, Gabriella B. Freitas, Gabriel S. Trajano, Ronei S. Pinto, Stephanie S. Pinto

Open Access Study protocol

A randomised controlled trial to investigate the clinical effectiveness and cost effectiveness of Mindfulness-Based Cognitive Therapy (MBCT) for depressed non-responders to Increasing Access to Psychological Therapies (IAPT) high-intensity therapies: study protocol

Thorsten Barnhofer, Barnaby D. Dunn, Clara Strauss, Florian Ruths, Barbara Barrett, Mary Ryan, Asha Ladwa, Frances Stafford, Roberta Fichera, Hannah Baber, Ailis McGuinness, Isabella Metcalfe, Delilah Harding, Sarah Walker, Poushali Ganguli, Shelley Rhodes, Allan Young, Fiona Warren

Open Access Study protocol

LessStress - how to reduce stress in school: evaluation of a universal stress prevention in schools: study protocol of a cluster-randomised controlled trial

Christin Scheiner, Andrea Daunke, Alexandra Seidel, Sabrina Mittermeier, Marcel Romanos, Michael Kölch, Arne Buerger

Open Access Study protocol

Efficacy of self-management program associated with a spa therapy for knee osteoarthritis patients (GETT 2): a research protocol for a randomized trial

A. Goldstein, C. Lanhers, C. Gay, K. Dubourg, L. Grange, C. F. Roques, B. Pereira, E. Coudeyre

Open Access Methodology

Smartphone imaging repository: a novel method for creating a CT image bank

Adrienne N. Dula, Truman J. Milling Jr., S. Claiborne Johnston, Jayson Aydelotte, Gary W. Peil, Alec Robinson, Kaiz Asif, Stephen Pan, Sohan Parekh, Steven Warach

Open Access Study protocol

Enhancement of the haemostatic effect of platelets in the presence of high normal concentrations of von Willebrand factor for critically ill patients needing platelet transfusion—a protocol for the will-plate randomised controlled trial

Goetz Herrmann, Andrea Blum, Daniel Bolliger, Rita Achermann, Anna Estermann, Caroline Eva Gebhard, Anne Henn, Jan Huber, Jasprit Singh, Atanas Todorov, Tatjana Zehnder, Núria Zellweger, Andreas Buser, Dimitrios A. Tsakiris, Alexa Hollinger, Martin Siegemund

Open Access Study Protocol

The standard versus prolonged dual antiplatelet therapy after the XINSORB bioresorbable scaffold implantation (SPARTA) trial: study protocol for a randomized controlled trial

Yizhe Wu, Jiasheng Yin, Chenguang Li, Wei Zhang, Li Shen, Lei Ge, Juying Qian, Junbo Ge

Open Access Study protocol

PROPERTY: study protocol for a randomized, double-blind, multicenter placebo-controlled trial assessing neurotoxicity in patients with metastatic gastrointestinal cancer taking PHYCOCARE® during oxaliplatin-based chemotherapy

Christele Le Gouill-Jaijarat, Yann Péréon, Maxime Leroy, Olivier Lépine, Aymeric Loloum, Claire Peluchon, Christelle Volteau, Anne-Sophie Martineau, Simon Korner, Caroline Perrault, Asmahane Benmaziane, Paul Girot, Caroline Petorin, Clément Perret, Catherine Ligeza-Poisson, Didier Mayeur, Laurent Flet, Anne Chiffoleau, Alexandra Poinas, Jaafar Bennouna

Open Access Research

Implementation challenges and lessons learned from the STREAM clinical trial—a survey of trial sites

Leena N. Patel, Meera Gurumurthy, Gay Bronson, Karen Sanders, I. D. Rusen

Open Access Study protocol

Isoniazid preventive therapy completion in children under 5 years old who are contacts of tuberculosis cases in Lima, Peru: study protocol for an open-label, cluster-randomized superiority trial

L. Otero, N. Zetola, M. Campos, J. Zunt, A. Bayer, M. Curisinche, T. Ochoa, M. Reyes, V. Vega, P. Van der Stuyft, TR. Sterling

Open Access Correction

Correction: A nationwide randomized controlled trial on additional treatment for isolated local pancreatic cancer recurrence using stereotactic body radiation therapy (ARCADE)

I. W. J. M. van Goor, L. A. Daamen, M. G. Besselink, A. M. E. Bruynzeel, O. R. Busch, G. A. Cirkel, B. Groot Koerkamp, N. Haj Mohammed, H. D. Heerkens, H. W. M. van Laarhoven, G. J. Meijer, J. Nuyttens, H. C. van Santvoort, G. van Tienhoven, H. M. Verkooijen, J. W. Wilmink, I. Q. Molenaar, M. P. W. Intven

Open Access Study protocol

Effects of half-dose spiomet treatment in girls with early puberty and accelerated bone maturation: a multicenter, randomized, placebo-controlled study protocol

Judit Bassols, Francis de Zegher, Marta Diaz, Gemma Carreras-Badosa, Cristina Garcia-Beltran, Elsa Puerto-Carranza, Cora Oliver-Vila, Paula Casano, Céline Alicia Franco, Rita Malpique, Abel López-Bermejo, Lourdes Ibáñez

Open Access Study protocol

COS-Speech: protocol to develop a core outcome set for dysarthria after stroke for use in clinical practice and research

C. Mitchell, A. Bowen, P. Conroy, B. M. Whelan, S. J. Wallace, A. Dancer, K. Woodward-Nutt, J. J. Kirkham

Open Access Review

Mapping the methodological diversity of published drug discontinuation studies—a scoping review of study topics, objectives, and designs

Nina Grede, Katrin Kuss, Ina Staudt, Norbert Donner-Banzhoff, Annika Viniol

Open Access Study protocol

Assessing the effectiveness and cost-effectiveness of a solution-focused resource-orientated approach (DIALOG+) to improving the quality of life for people with psychosis in India and Pakistan—a cluster RCT

Victoria Jane Bird, Sana Zehra Sajun, Renata Peppl, Sara Evans-Lacko, Stefan Priebe, Swaran Singh, Lakshmi Venkatraman, Padmavati Ramachandran, Aneeta Pasha, Ashar Malik, Onaiza Qureshi

Open Access Study Protocol

Multi-centre, randomised, open-label, blinded endpoint assessed, trial of corticosteroids plus intravenous immunoglobulin (IVIG) and aspirin, versus IVIG and aspirin for prevention of coronary artery aneurysms (CAA) in Kawasaki disease (KD): the KD CAA prevention (KD-CAAP) trial protocol

Despina Eleftheriou, Yolanda Collaco Moraes, Cara Purvis, Molly Pursell, Marta Merida Morillas, Robin Kahn, Maria Mossberg, Filip Kucera, Robert Tulloh, Joseph F. Standing, Veronica Swallow, Rachael McCormack, Jethro Herberg, Michael Levin, Mandy Wan, Nigel Klein, Roisin Connon, Ann Sarah Walker, Paul Brogan

Open Access COVID-19 Study protocol

The effect of COVID rehabilitation for ongoing symptoms Post HOSPitalisation with COVID-19 (PHOSP-R): protocol for a randomised parallel group controlled trial on behalf of the PHOSP consortium

Enya Daynes, Molly Baldwin, Neil J. Greening, Thomas Yates, Nicolette C. Bishop, George Mills, Matthew Roberts, Malik Hamrouni, Tatiana Plekhanova, Ioannis Vogiatzis, Carlos Echevarria, Rashmita Nathu, Hamish J. C. McAuley, Lorna Latimer, Jennifer Glennie, Francesca Chambers, Ruth Penfold, Emily Hume, Dimitrios Megaritis, Charikleia Alexiou, Sebastian Potthoff, Mitchell James Hogg, Catherine Haighton, Bethany Nichol, Olivia C. Leavy, Matthew Richardson, Omer Elneima, Amisha Singapuri, Marco Sereno, Ruth M. Saunders, Victoria C. Harris, Claire M. Nolan, Charlotte Bolton, Linzy Houchen-Wolloff, Ewen M. Harrison, Nazir Lone, Jennifer Quint, James D. Chalmers, Ling-Pei Ho, Alex Horsley, Michael Marks, Krisnah Poinasamy, Betty Ramen, Louise V. Wain, Christopher Brightling, William D.-C. Man, Rachael Evans, Sally J. Singh

Open Access Study protocol

The Determining Effective Testing in Emergency Departments and Care Coordination on Treatment Outcomes (DETECT) for Hepatitis C (Hep C) Linkage-to-Care Trial: rationale and design of an emergency department-based randomized clinical trial of linkage-to-care strategies for hepatitis C

Sarah E. Rowan, Jason Haukoos, Kevin F. Kamis, Emily Hopkins, Stephanie Gravitz, Carolynn Lyle, Alia A. Al-Tayyib, Edward M. Gardner, James W. Galbraith, Yu-Hsiang Hsieh, Michael S. Lyons, Richard E. Rothman, Douglas A. E. White, Jake R. Morgan, Benjamin P. Linas, Allison L. Sabel, David L. Wyles, Amy Adler, Musheng Alishahi, Gideon D. Avornu, Alexis Becerra, Erika Becerra-Ashby, Meghan Bellamy, Samantha Bot, Alexander J. Boyle, Annetta M. Bracey, Michael Breyer, Claudia Camacho, Alicia Cupelo, Gaby Dashler, Pamela Doyle, Amy Eicher, Heather Gardner, Carrie Anne de Gruiter, Sophia Henry, David Higgins, Trevor Hill, Rachel Houk, Nyah Johnson, Alex Kile, Janet Liebl, Barbara Maliszewski, Kendall Maliszewski, Robert McGoey, Catherine McKenzie, Matthew S. Minturn, Deanna Myer, Kendra Neumann, Cole Ossian, Rebekah K. Peacock, Danielle Perez, Tannishtha Pramanick, Erin P. Ricketts, Benji Riggan, Sherry Riser, Genie Roosevelt, Mustapha Saheed, Sarah Schumacher, Bradley Shy, Scott Simpson, Matthew F. Toerper, Gil Trest, Madison Unsworth, Laura Waltrous, Brooke Watson

Open Access Study protocol

Cannabis-opioid interaction in the treatment of fibromyalgia pain: an open-label, proof of concept study with randomization between treatment groups: cannabis, oxycodone or cannabis/oxycodone combination—the SPIRAL study

Cornelis Jan van Dam, Monique van Velzen, Cornelis Kramers, Arnt Schellekens, Erik Olofsen, Marieke Niesters, Albert Dahan

Open Access Study protocol

Developing an Outcome Measures in Rheumatology (OMERACT) Core set of Outcome Measures for FOot and ankle disorders in RheumaTic and musculoskeletal diseases (COMFORT): core domain set study protocol

Lara S. Chapman, Anthony C. Redmond, Caroline A. Flurey, Pamela Richards, Toby O. Smith, John B. Arnold, Dorcas Beaton, Philip G. Conaghan, Yvonne M. Golightly, Marian T. Hannan, Catherine Hofstetter, Lara J. Maxwell, Hylton B. Menz, Beverley Shea, Peter Tugwell, Philip Helliwell, Heidi J. Siddle

Open Access Review

Paediatric eye and vision research participation experiences: a systematic review

Jacqueline Miller, Katherine Curtis-Tyler, Michelle Maden, Annegret Dahlmann-Noor, Jane Chudleigh

Open Access Study protocol

Protocol for a parallel group, two-arm, superiority cluster randomised trial to evaluate a community-level complementary-food safety and hygiene and nutrition intervention in Mali: the MaaCiwara study (version 1.3; 10 November 2022)

Evans A. Asamane, Laura Quinn, Samuel I. Watson, Richard J. Lilford, Karla Hemming, Cheick Sidibe, Ryan T. Rego, Sami Bensassi, Youssouf Diarra, Samba Diop, Om Prasad Gautam, Mohammad Sirajul Islam, Louise Jackson, Kate Jolly, Kassoum Kayentao, Ousmane Koita, Buba Manjang, Susan Tebbs, Nicola Gale, Paula Griffiths, Sandy Cairncross, Ousmane Toure, Semira Manaseki-Holland

Open Access Study Protocol

Pulmonary rehabilitation integrated coached exercise training for patients with COPD: a study protocol for a randomized controlled trial

Yuting Jing, Yuying Ma, Hongxing Zhang, Zhenhu Wu, Yongwen Li, Haoxuan Li, Minling Huang, Lin Lin, Yinji Xu

Open Access Study protocol

EffEctiveness of Prophylactic fOam dressings in the prevention of saCral pressure injuries in at-risk hospitalised patients: the EEPOC trial

R. M. Walker, W. Chaboyer, M. Cooke, J. A. Whitty, L. Thalib, I. Lockwood, S. Latimer, J. Campbell, R. Probert, B. M. Gillespie

Open Access Research

Developing guidance for a risk-proportionate approach to blinding statisticians within clinical trials: a mixed methods study

Mais Iflaifel, Kirsty Sprange, Jennifer Bell, Andrew Cook, Carrol Gamble, Steven A. Julious, Edmund Juszczak, Louise Linsell, Alan Montgomery, Christopher Partlett

Open Access Study Protocol

A NEw MOdel of individualized and patient-centered follow-up for women with gynecological cancer (the NEMO study)—protocol and rationale of a randomized clinical trial

Stinne Holm Bergholdt, Dorte Gilsaa Hansen, Anna Thit Johnsen, Bo Snedker Boman, Pernille Tine Jensen

Open Access COVID-19 Study protocol

Effectiveness and cost-effectiveness of a personalised self-management intervention for living with long COVID: protocol for the LISTEN randomised controlled trial

Claire Potter, Fiona Leggat, Rachel Lowe, Philip Pallmann, Muhammad Riaz, Christy Barlow, Adrian Edwards, Aloysius Niroshan Siriwardena, Nick Sevdalis, Bernadette Sewell, Jackie McRae, Jessica Fish, Maria Ines de Sousa de Abreu, Fiona Jones, Monica Busse

Open Access Study protocol

Prophylactic effect of retromuscular mesh placement during loop ileostomy closure on incisional hernia incidence—a multicentre randomised patient- and observer-blind trial (P.E.L.I.O.N trial)

Sven Müller, Dirk Weyhe, Florian Herrle, Philipp Horvath, Robert Bachmann, Viktor von Ehrlich-Treuenstätt, Patrick Heger, Nadir Nasir, Christina Klose, Alexander Ritz, Anja Sander, Erich Grohmann, Colette Dörr-Harim, André L. Mihaljevic

Open Access Study protocol

A pilot randomised controlled trial of the Peer Tree digital intervention targeting loneliness in young people: a study protocol

Michelle H. Lim, Lily Thurston, Robert Eres, Thomas L. Rodebaugh, Mario Alvarez-Jimenez, David L. Penn, Vassilis Kostakos, John F. M. Gleeson

Open Access Study protocol

Lateral compression type 1 fracture fixation in the elderly (L1FE): study protocol for a randomised controlled trial (with internal pilot) comparing the effects of INFIX surgery and non-surgical management for treating patients with lateral compression type 1 (LC-1) fragility fractures

Elizabeth Cook, Joanne Laycock, Mehool Acharya, Michael Ross Backhouse, Belen Corbacho, Laura Doherty, Daren Forward, Catherine Hewitt, Catherine Hilton, Peter Hull, Jamila Kassam, Camila Maturana, Catriona Mcdaid, Jenny Roche, Dhanupriya Sivapathasuntharam, David Torgerson, Peter Bates

Open Access Study protocol

Randomized double-blind, placebo-controlled study of oral gabapentin for prevention of neuropathy in patients receiving paclitaxel

Praful Pandey, Akash Kumar, Deepam Pushpam, Sachin Khurana, Prabhat Singh Malik, Ajay Gogia, Elavarasi Arunmozhimaran, Mamta Bhushan Singh, Dinu Santha Chandran, Atul Batra

Open Access Study protocol

A post-market cluster randomized controlled trial of the effect of the TENA SmartCare Change Indicator™ on urinary continence care efficiency and skin health in older nursing home residents

Muyibat Omotunde, Fredrik Agholme, Arne Böhling, Nicole Huige, Hardy Schweigel, Daniela Hayder-Beichel, Robert Reidy, Adrian Wagg

Open Access Commentary

The impact of parent treatment preference and other factors on recruitment: lessons learned from a paediatric epilepsy randomised controlled trial

Bernie Carter, Lucy Bray, Nadia al-Najjar, Agnès Tort Piella, Catrin Tudur-Smith, Catherine Spowart, Amber Collingwood, Holly Crudgington, Janet Currier, Dyfrig A. Hughes, Eifiona Wood, Rachael Martin, Christopher Morris, Deborah Roberts, Alison Rouncefield-Swales, Heather Sutherland, Victoria Watson, Georgia Cook, Luci Wiggs, Paul Gringras, Deb Pal

Open Access Study protocol

Advanced practice physiotherapy care in emergency departments for patients with musculoskeletal disorders: a pragmatic cluster randomized controlled trial and cost analysis

E. Matifat, E. Berger Pelletier, R. Brison, L. J. Hébert, J.-S. Roy, L. Woodhouse, S. Berthelot, R. Daoust, M.-J. Sirois, R. Booth, R. Gagnon, J. Miller, Y. Tousignant-Laflamme, M. Emond, K. Perreault, F. Desmeules

Open Access Research

Can multisite clinical trial results change clinical practice? Use of long-acting injectable risperidone nationally in the Veterans Health Administration

Robert Rosenheck, Sonia T. Anand, Stephen G. Kurtz, Cynthia Hau, Diane Smedberg, James F. Pontzer, Ryan E. Ferguson, Cynthia R. Davis

Open Access Study protocol

Multidimensional individualized nutritional therapy for individuals with severe chronic obstructive pulmonary disease: study protocol for a registry-based randomized controlled trial

Maria H. Hegelund, Christian Ritz, Thyge L. Nielsen, Mette F. Olsen, Christian Søborg, Lone Braagaard, Christian Mølgaard, Rikke Krogh-Madsen, Birgitte Lindegaard, Daniel Faurholt-Jepsen

Open Access COVID-19 Study protocol

The effect of vitamin D and magnesium supplementation on clinical symptoms and serum inflammatory and oxidative stress markers in patients with COVID-19: a structured summary of a study protocol for a randomized controlled trial

Nahid Ramezani-Jolfaie, Ebrahim Eftekhar, Mohadese Dadinasab, Zahra Ghaeini Hesarooeyeh, Pooria Pakdaman, Farkhondeh Razmpour, Gholamali Javedan, Mahmood Khayatian, Mehdi Hassani Azad, Parivash Davoodian, Elham Brahimi, Shideh Rafati, Sara Nikoofal-Sahlabadi, Mohammad Mohammadi

Open Access Study protocol

Effectiveness of an evidence-based care pathway to improve mobility and participation in older patients with vertigo and balance disorders in primary care (MobilE-PHY2): study protocol for a multicentre cluster-randomised controlled trial

Caren Horstmannshoff, Stefanie Skudlik, Jenny Petermann, Theresia Kiesel, Tobias Döringer, Alexander Crispin, Joachim Hermsdörfer, Juliane Köberlein-Neu, Klaus Jahn, Stefan Schädler, Petra Bauer, Karen Voigt, Martin Müller

Open Access Research

“Nothing to lose and the possibility of gaining”: a qualitative study on the feasibility and acceptability of registry-based randomised controlled trials among cancer patients and clinicians

Khic-Houy Prang, Bill Karanatsios, Angela Zhang, Ebony Verbunt, Hui-li Wong, Vanessa Wong, Lucy Gately, Ben Tran, Peter Gibbs, Margaret Kelaher

Open Access Letter

Patient and Public Involvement (PPI) in outcome selection in breast cancer and nephrology trials

Ciara Buckley, Shaun Treweek, Lynn Laidlaw, Frances Shiely

Open Access Study protocol

Nitrate-rich beet juice intake on cardiovascular performance in response to exercise in postmenopausal women with arterial hypertension: study protocol for a randomized controlled trial

Cicero Jonas R. Benjamim, Yaritza Brito Alves Sousa, Andrey Alves Porto, Yasmim Mota de Moraes Pontes, Simone Sakagute Tavares, Guilherme da Silva Rodrigues, Leonardo Santos Lopes da Silva, Leonardo da Silva Goncalves, Carolina Scoqui Guimaraes, Macário Arosti Rebelo, Andressa Crystine da Silva Sobrinho, Jose E. Tanus-Santos, Vitor Engracia Valenti, Bruno Gualano, Carlos Roberto Bueno Júnior

Open Access Study protocol

Project T-SHARP: study protocol for a multi-site randomized controlled trial of tele-harm reduction for people with HIV who inject drugs

Hansel E. Tookes, Asa Oxner, David P. Serota, Elizabeth Alonso, Lisa R. Metsch, Daniel J. Feaster, Jessica Ucha, Edward Suarez Jr., David W. Forrest, Kathryn McCollister, Allan Rodriguez, Michael A. Kolber, Teresa A. Chueng, Sheryl Zayas, Bernice McCoy, Kyle Sutherland, Chetwyn Archer, Tyler S. Bartholomew

Open Access Study protocol

The AuTOMATIC trial: a study protocol for a multi-arm Bayesian adaptive randomised controlled trial of text messaging to improve childhood immunisation coverage

Grace E. Currie, James Totterdell, Grahame Bowland, Alan Leeb, Ian Peters, Chris C. Blyth, Claire Waddington, Julie A. Marsh, Thomas L. Snelling

Open Access COVID-19 Correction

Correction: The effect of COVID rehabilitation for ongoing symptoms Post HOSPitalisation with COVID-19 (PHOSP-R): protocol for a randomised parallel group controlled trial on behalf of the PHOSP consortium

Enya Daynes, Molly Baldwin, Neil J. Greening, Thomas Yates, Nicolette C. Bishop, George Mills, Matthew Roberts, Malik Hamrouni, Tatiana Plekhanova, Ioannis Vogiatzis, Carlos Echevarria, Rashmita Nathu, Hamish J. C. McAuley, Lorna Latimer, Jennifer Glennie, Francesca Chambers, Ruth Penfold, Emily Hume, Dimitrios Megaritis, Charikleia Alexiou, Sebastian Potthof, Mitchell James Hogg, Catherine Haighton, Bethany Nichol, Olivia C. Leavy, Matthew Richardson, Omer Elneima, Amisha Singapuri, Marco Sereno, Ruth M. Saunders, Victoria C. Harris, Claire M. Nolan, Charlotte Bolton, Linzy Houchen-Wolloff, Ewen M. Harrison, Nazir Lone, Jennifer Quint, James D. Chalmers, Ling-Pei Ho, Alex Horsley, Michael Marks, Krisnah Poinasamy, Betty Ramen, Louise V. Wain, Christopher Brightling, William D.-C. Man, Rachael Evans, Sally J. Singh

Open Access Methodology

Using a patient-centred composite endpoint in a secondary analysis of the Control of Hypertension in Pregnancy Study (CHIPS) Trial

Rebecca K. Metcalfe, Mark Harrison, Joel Singer, Mary Lewisch, Terry Lee, Peter von Dadelszen, Laura A. Magee, Nick Bansback

Open Access Study protocol

Biologic Abatement and Capturing Kids’ Outcomes and Flare Frequency in Juvenile Spondyloarthritis (BACK-OFF JSpA): study protocol for a randomized pragmatic trial

Pamela F. Weiss, Cora E. Sears, Timothy G. Brandon, Christopher B. Forrest, Emily Neu, Melanie Kohlheim, Jenny Leal, Rui Xiao, Daniel Lovell

Open Access Study protocol

Lisbon Intensive Falls Trampoline Training (LIFTT) Program for people with Parkinson’s for balance, gait, and falls: study protocol for a randomized controlled trial

Josefa Domingos, John Dean, Júlio B. Fernandes, Catarina Ramos, Miguel Grunho, Luís Proença, João R. Vaz, Catarina Godinho

Open Access Study protocol

Quality of recovery after day care surgery with app-controlled remote monitoring: study protocol for a randomized controlled trial

B. Thiel, M. B. Godfried, M. E. van Emst, L. M. Vernooij, L. M. van Vliet, E. Rumke, R. T. M. van Dongen, W. Gerrits, J. S. H. A. Koopman, C. J. Kalkman

Open Access Study protocol

An innovative web-based decision-aid about birth after cesarean for shared decision making in Taiwan: study protocol for a randomized control trial

Shu Wen Chen, Allison Shorten, Chang Ching Yeh, Chien Huei Kao, Yu Ying Lu, Hsiang Wei Hu

Open Access Study protocol

Efficacy and tolerability of a specific blend of amino acids in patients with anorexia nervosa treated in a hospital setting: study protocol for a randomized controlled trial

Riccardo Dalle Grave, Simona Calugi, Chiara Ruocco, Mirko Chimini, Agnese Segala, Maurizio Ragni, Michele Carruba, Alessandra Valerio, Enzo Nisoli

Open Access Study protocol

The Michigan Genetic Hereditary Testing (MiGHT) study’s innovative approaches to promote uptake of clinical genetic testing among cancer patients: a study protocol for a 3-arm randomized controlled trial

Lynette Hammond Gerido, Jennifer J. Griggs, Ken Resnicow, Kelley M. Kidwell, Emerson Delacroix, Sarah Austin, Erika N. Hanson, Elizabeth Bacon, Erika Koeppe, Stefanie Goodall, Matthew Demerath, Elizabeth A. Rizzo, Shayna Weiner, Sarah T. Hawley, Wendy R. Uhlmann, J. Scott Roberts, Elena M. Stoffel

Open Access Study protocol

Comparison of posterior muscle-preserving selective laminectomy and laminectomy with fusion for treating cervical spondylotic myelopathy: study protocol for a randomized controlled trial

Anna MacDowall, Håkan Löfgren, Erik Edström, Helena Brisby, Catharina Parai, Adrian Elmi-Terander

Open Access Correction

Correction: A protocol for a randomized clinical trial assessing the efficacy of hypertonic dextrose injection (prolotherapy) in chronic ankle instability

Regina Wing Shan Sit, Ricky Wing Keung Wu, Samuel Ka Kin Ling, Bo Wang, Dicken Cheong Chun Chan, Benjamin Hon Kei Yip, Samuel Yeung Shan Wong, Kenneth Dean Reeves, David Rabago

Open Access Research

Effect of resistance vs. aerobic exercise in pre-diabetes: an RCT

Xijuan Luo, Zhengzhen Wang, Bowen Li, Xianbo Zhang, Xin Li

Open Access Correction

Correction: Prehabilitation of elderly frail or pre-frail patients prior to elective surgery (PRAEP-GO): study protocol for a randomized, controlled, outcome assessor-blinded trial

Stefan J. Schaller, Jörn Kiselev, Verena Loidl, Wilm Quentin, Katrin Schmidt, Rudolf Mörgeli, Tanja Rombey, Reinhard Busse, Ulrich Mansmann, Claudia Spies

Open Access Study protocol

A multi-center, open-label, randomized study to explore efficacy and safety of baricitinib in active primary Sjogren’s syndrome patients

Wei Bai, Fan Yang, Huji Xu, Wei Wei, Hongbin Li, Liyun Zhang, Yi Zhao, Xiaofei Shi, Yan Zhang, Xiaofeng Zeng, Xiaomei Leng

Open Access Study protocol

Design of the Building Research in CRC prevention (BRIDGE-CRC) trial: a 6-month, parallel group Mediterranean diet and weight loss randomized controlled lifestyle intervention targeting the bile acid-gut microbiome axis to reduce colorectal cancer risk among African American/Black adults with obesity

Andrew McLeod, Patricia Wolf, Robert S. Chapkin, Laurie A. Davidson, Ivan Ivanov, Michael Berbaum, Lauren R. Williams, H. Rex Gaskins, Jason Ridlon, Jen Sanchez-Flack, Lara Blumstein, Linda Schiffer, Alyshia Hamm, Kate Cares, Mirjana Antonic, Beatriz Penalver Bernabe, Marian Fitzgibbon, Lisa Tussing-Humphreys

Open Access Study protocol

LOFIT (Lifestyle front Office For Integrating lifestyle medicine in the Treatment of patients): a novel care model towards community-based options for lifestyle change—study protocol

Marlinde L. van Dijk, Leonie M. te Loo, Joyce Vrijsen, Inge van den Akker-Scheek, Sanne Westerveld, Marjan Annema, André van Beek, Jip van den Berg, Alexander L. Boerboom, Adrie Bouma, Martine de Bruijne, Jeroen Crasborn, Johanna M. van Dongen, Anouk Driessen, Karin Eijkelenkamp, Nies Goelema, Jasmijn Holla, Johan de Jong, Anoek de Joode, Arthur Kievit, Josine van’t Klooster, Hinke Kruizenga, Marike van der Leeden, Lilian Linders, Jenny Marks-Vieveen, Douwe Johannes Mulder, Femmy Muller, Femke van Nassau, Joske Nauta, Suzanne Oostvogels, Jessica Oude Sogtoen, Hidde P. van der Ploeg, Patrick Rijnbeek, Linda Schouten, Rhoda Schuling, Erik H. Serné, Simone Smuling, Maarten R. Soeters, Evert A. L. M. Verhagen, Johannes Zwerver, Rienk Dekker, Willem van Mechelen, Judith G. M. Jelsma

Open Access Study protocol

Comparative effectiveness of a mindfulness-based intervention (M-Body) on depressive symptoms: study protocol of a randomized controlled trial in a Federally Qualified Health Center (FQHC)

Inger Burnett-Zeigler, Elayne Zhou, Jennifer H. Martinez, Katelyn Zumpf, Lynette Lartey, Judith T. Moskowitz, Katherine L. Wisner, Thomas McDade, C. Hendricks Brown, Jacqueline Gollan, Jody D. Ciolino, Jacob M. Schauer, Lucia C. Petito

Open Access Study protocol

Distance-based delivery of exercise for people treated for breast, prostate or colorectal cancer: a study protocol for a randomised controlled trial of EX-MED Cancer Sweden

Melissa Kotte, Kate A. Bolam, Sara Mijwel, Renske Altena, Prue Cormie, Yvonne Wengström

Open Access Study protocol

Study protocol: short against long antibiotic therapy for infected orthopedic sites — the randomized-controlled SALATIO trials

Ilker Uçkay, Stephan Wirth, Björn Zörner, Sandro Fucentese, Karl Wieser, Andreas Schweizer, Daniel Müller, Patrick Zingg, Mazda Farshad

Open Access Study protocol

Impact of virtual supervised tooth brushing on caries experience and quality of life among primary school children: study protocol for a randomized controlled trial

Haya Alayadi, Areej Alsiwat, Haifa AlAkeel, Munirah Alaskar, Maram Alwadi, Wael Sabbah

Open Access Study protocol

Digital peer-to-peer support programme for informal caregivers of people living with motor neuron disease: study protocol for a multi-centre parallel group, single-blinded (outcome assessor) randomised controlled superiority trial

Louise Rose, Thilipan Thaventhiran, Esther Hobson, Rebecca Rogers, Kirsty James, Petrina Chu, Ben Carter, Christina Faull, Sian Saha, Jeong Su Lee, Georgios Kaltsakas, Christopher McDermott, Michelle Ramsay

Open Access Study protocol

Proportion of clinical holistic responders in patients with persistent spinal pain syndrome type II treated by subthreshold spinal cord stimulation compared to best medical treatment: a study protocol for a multicentric randomised controlled trial (TRADITION)

Lisa Goudman, Koen Putman, Leen Van Doorslaer, Maxime Billot, Manuel Roulaud, Philippe Rigoard, Bart Billet, Bart Bryon, Mark Plazier, Vincent Raymaekers, Johan Vangeneugden, Maarten Moens

Open Access Correction

Correction: Prophylactic abdominal drainage or no drainage after distal pancreatectomy (PANDORINA): a study protocol of a binational multicenter randomized controlled trial

F. L. Vissers, A. Balduzzi, E. A. van Bodegraven, J. van Hilst, S. Festen, M. Abu Hilal, H. J. Asbun, J. S. D. Mieog, B. Groot Koerkamp, O. R. Busch, F. Daams, M. Luyer, M. De Pastena, G. Malleo, G. Marchegiani, J. Klaase, I. Q. Molenaar, R. Salvia, H. C. van Santvoort, M. Stommel, D. Lips, M. Coolsen, C. Bassi, C. van Eijck, M. G. Besselink

Open Access Study Protocol

Community paramedic hospital reduction and mitigation program: study protocol for a randomized pragmatic clinical trial

Jennifer L. Ridgeway, Erin O. Wissler Gerdes, Andrew Dodge, Chad P. Liedl, Michael B. Juntunen, Wendy J. S. Sundt, Amy Glasgow, Michelle A. Lampman, Angela L. Fink, Sara B. Severson, Grace Lin, Richard R. Sampson, Robert P. Peterson, Brian M. Murley, Aaron B. Klassen, Anuradha Luke, Paul A. Friedman, Tamara E. Buechler, James S. Newman, Rozalina G. McCoy

Open Access COVID-19 Research

Effect of vitamin D supplementation versus placebo on recovery delay among COVID-19 Tunisian patients: a randomized-controlled clinical trial

Hela Abroug, Amani Maatouk, Cyrine Bennasrallah, Wafa Dhouib, Manel Ben Fredj, Imen Zemni, Meriem Kacem, Salma Mhalla, Sarra Nouira, Manel Ben Belgacem, Aymen Nasri, Rim Klii, Chawki Loussaief, Nissaf Ben Alya, Ines Bouanene, Asma Belguith Sriha

Open Access Study protocol

Effectiveness of four deconstructive meditative practices on well-being and self-deconstruction: study protocol for an exploratory randomized controlled trial

Javier García-Campayo, Rinchen Hijar-Aguinaga, Yolanda López-Del-Hoyo, Rosa Magallón-Botaya, Selene Fernández-Martínez, Alberto Barceló-Soler, Joaquim Soler-Ribaudi, Jesus Montero-Marin

Open Access Study protocol

Modified prolonged exposure therapy as Early Intervention after Rape (The EIR-study): study protocol for a multicenter randomized add-on superiority trial

Tina Haugen, Joar Øveraas Halvorsen, Oddgeir Friborg, Melanie Rae Simpson, Paul Jarle Mork, Gustav Mikkelsen, Ask Elklit, Barbara O. Rothbaum, Berit Schei, Cecilie Hagemann

Open Access Study protocol

BOHEMIA: Broad One Health Endectocide-based Malaria Intervention in Africa—a phase III cluster-randomized, open-label, clinical trial to study the safety and efficacy of ivermectin mass drug administration to reduce malaria transmission in two African settings

Carlos Chaccour, Aina Casellas, Felix Hammann, Paula Ruiz-Castillo, Patricia Nicolas, Julia Montaña, Mary Mael, Prashant Selvaraj, Urs Duthaler, Sigilbert Mrema, Mwaka Kakolwa, Issa Lyimo, Fredros Okumu, Achla Marathe, Roger Schürch, Eldo Elobolobo, Charfudin Sacoor, Francisco Saute, Kang Xia, Caroline Jones, Cassidy Rist, Marta Maia, N. Regina Rabinovich

Open Access Research

Effects of N-acetylcysteine on systemic lupus erythematosus disease activity and its associated complications: a randomized double-blind clinical trial study

Mitra Abbasifard, Hossein Khorramdelazad, Abdolrahman Rostamian, Mohsen Rezaian, Pooya Saeed Askari, Gholamhosein Taghipur Khajeh Sharifi, Moein Kardoust Parizi, Mobina Taghipour Khajeh Sharifi, Seyed Reza Najafizadeh

Open Access Study protocol

The Skin Antiseptic agents at Vaginal dElivery (SAVE) trial: study protocol for a randomized controlled trial

Young Mi Jung, Seung Mi Lee, So Yeon Kim, Jin Hoon Chung, Hye-Sung Won, Kyung A Lee, Mi Hye Park, Geum Joon Cho, Min-Jeong Oh, Eun Saem Choi, Ki Hoon Ahn, Soon-Cheol Hong, Ji-Hee Sung, Cheong-Rae Roh, Sun Min Kim, Byoung Jae Kim, Hyeon Ji Kim, Kyung Joon Oh, Subeen Hong, In Yang Park, Joong Shin Park

Open Access Study protocol

Metabolomics-based Sleepiness Markers for Risk Prevention and Traffic Safety (ME-SMART): a monocentric, controlled, randomized, crossover trial

Michael Scholz, Stefan Lakaemper, Kristina Keller, Akos Dobay, Andrea Eva Steuer, Hans-Peter Landolt, Thomas Kraemer

Open Access Study protocol

BRAVEHeart: a randomised trial comparing the accuracy of Breathe Well and RPM for deep inspiration breath hold breast cancer radiotherapy

Hilary L. Byrne, Elisabeth Steiner, Jeremy Booth, Gillian Lamoury, Marita Morgia, Kylie Richardson, Leigh Ambrose, Kuldeep Makhija, Cameron Stanton, Benjamin Zwan, Regina Bromley, John Atyeo, Shona Silvester, Natalie Plant, Paul Keall

Open Access Study protocol

A randomised controlled trial investigating the effect of improving the cleaning and disinfection of shared medical equipment on healthcare-associated infections: the CLEaning and Enhanced disiNfection (CLEEN) study

Katrina Browne, Nicole White, Peta Tehan, Philip L Russo, Maham Amin, Andrew J. Stewardson, Allen C. Cheng, Kirsty Graham, Gabrielle O’Kane, Jennie King, Martin Kiernan, David Brain, Brett G. Mitchell

Open Access Study protocol

Movement and health beyond care, MoviS: study protocol for a randomized clinical trial on nutrition and exercise educational programs for breast cancer survivors

Valentina Natalucci, Carlo Ferri Marini, Mauro De Santi, Giosuè Annibalini, Francesco Lucertini, Luciana Vallorani, Andrea Rocco Panico, Davide Sisti, Roberta Saltarelli, Sabrina Donati Zeppa, Deborah Agostini, Marco Gervasi, Giulia Baldelli, Eugenio Grassi, Alessandra Nart, Massimo Rossato, Vincenzo Biancalana, Giovanni Piccoli, Piero Benelli, Anna Villarini, Matteo Somaini, Vincenzo Catalano, Stefania Guarino, Alice Pietrelli, Silvia Monaldi, Donatella Sarti, Simone Barocci, Marco Flori, Marco Bruno Luigi Rocchi, Giorgio Brandi, Vilberto Stocchi, Rita Emili, Elena Barbieri

Open Access Study protocol

Case management and care expertise as a prevention approach for adults with intellectual disabilities (FaPP-MgB): study protocol for a randomized-controlled trial

Stephan Nadolny, Dirk Bruland, Marie Grunwald, Annika Gröndahl, Jessica Grammatico, Miriam Tariba Richter, Christian Grebe, Änne-Dörte Latteck

Open Access Methodology

Characterizing modifications to a comparative effectiveness research study: the OPTIMIZE trial—using the Framework for Reporting Adaptations and Modifications to Evidence-based Interventions (FRAME)

Julie M. Fritz, Tom Greene, Gerard P. Brennan, Kate Minick, Elizabeth Lane, Stephen T. Wegener, Richard L. Skolasky

Open Access Study protocol

The impact of gingivitis reduction on lung function: a randomized trial under intensified oral hygiene

Jan Kühnisch, Tianyu Zhao, Randi J. Bertelsen, Rudolf A. Jörres, Dennis Nowak, Joachim Heinrich

Open Access Study protocol

Efficacy and auditory biomarker analysis of fronto-temporal transcranial direct current stimulation (tDCS) in targeting cognitive impairment associated with recent-onset schizophrenia: study protocol for a multicenter randomized double-blind sham-controlled trial

Clément Dondé, Julien Bastin, Arnaud Pouchon, Nicolas Costes, Eric Fakra, Filipe Galvão, Aurélia Gay, Frédéric Haesebaert, Laurent Lamalle, Inès Mérida, Maxence Rigon, Fabien Schneider, Irène Troprès, Jérôme Brunelin, Mircea Polosan

Open Access Correction

Correction: Cognitive Behavioural Therapy to Optimize Post-Operative Fracture Recovery (COPE): protocol for a randomized controlled trial

Gina Del Fabbro, Paula McKay, Lehana Thabane, Randi E. McCabe, Matilda Nowakowski, Christy Shibu, Natalie Fleming, Herman Johal, Gerard Slobogean, Roman M. Natoli, I. Leah Gitajn, Prism Schneider, P. J. Devereaux, Emil H. Schemitsch, Mohit Bhandari, Gordon H. Guyatt, Eleni Hapidou, Delia Chiaramonte, Henrick Kehlet, James Khan, Aaron Johnson, Diane Heels-Ansdell, Sofia Bzovsky, Brad A. Petrisor, Dale Williams, Bill Ristevski, Jamal Al-Asiri, Matthew Denkers, Kris Rajaratnam, Jodi L. Gallant, Sarah MacRae, Kaitlyn Pusztai, Sara Renaud, Nicki Johal, Steven Papp, Karl-Andre Lalonde, Bradley Meulenkamp, Allan Liew, Manisha Mistry, Braden Gammon, Wade Gofton, Geoffrey Wilkin, Melanie Dodd-Moher, David Puskas, Travis Marion, Tina Lefrancois, Jubin Payandeh, Claude Cullinan, Tracy Wilson, Kurt Droll, Michael Riediger, Rabail Siddiqui, Shalyn Littlefield, Simrun Chahal, Paige Wagar, Prism S. Schneider, Tosin Ogunleye, Tanya Cherppukaran, Karin Lienhard, Nicholas Smith, Sarah Anthony, Krista Butt, La Shann Selby, Murali Kovvur, Joshua Lawrence, Skyler Sampson, Kristin Turner, Todd Jaeblon, Haley K. Demyanovich, Sneh Talwar, Caroline Benzel, Theresa Chockbengboun, Devin Mullin, Logan Bateman, Melanie Christian, Peter DePalo, Paul J. Appleton, John J. Wixted, Edward K. Rodriguez, Michael F. McTague, Katiri Wagner, Kristina Brackpool, Kate Hegermiller, Nhi Nguyen, Courteney Fentz, Maricela Diaz, Jill Niceley, Kyle J. Jeray, Thomas M. Schaller, Michael S. Sridhar, John D. Adams, Richard W. Gurich Jr, Stephanie L. Tanner, Kyle Adams, Michelle Donohue, Emily Bray, Calleigh Brignull, Harper Sprouse

Open Access Research

Effects of Ving Tsun sticking-hand training on lower limb sensorimotor performance among community-dwelling middle-aged and older adults: a randomized controlled trial

Shirley S. M. Fong, Louisa M. Y. Chung, Timothy T. T. Yam, Joanne W. Y. Chung, Young-Hyeon Bae, Yang Gao, Jessie S. M. Chan, Hsing-Kuo Wang

Open Access Study protocol

Esketamine combined with pregabalin on acute postoperative pain in patients undergoing resection of spinal neoplasms: study protocol for a randomized controlled trial

Wanchen Sun, Juan Wang, Jing Wang, Jingyi Fan, Yang Zhou, Yunzhen Wang, Ruquan Han

Open Access Study protocol

Priming locomotor training with transspinal stimulation in people with spinal cord injury: study protocol of a randomized clinical trial

Andreas Skiadopoulos, Grace O. Famodimu, Shammah K. Solomon, Parul Agarwal, Noam Y. Harel, Maria Knikou

Open Access Study protocol

Proactive and Integrated Management and Empowerment in Parkinson’s Disease protocol for a randomised controlled trial (PRIME-UK) to evaluate a new model of care

Fiona E. Lithander, Emma Tenison, Jan Ypinga, Angelika Halteren, Matthew D. Smith, Katherine Lloyd, Edward W. Richfield, Danielle E. Brazier, Mícheál Ó Breasail , Agnes J. Smink, Chris Metcalfe, William Hollingworth, Bas Bloem, Marten Munneke, Yoav Ben-Shlomo, Sirwan K. L. Darweesh, Emily J. Henderson

Open Access Study protocol

Is sling immobilization necessary after open Latarjet surgery for anterior shoulder instability? A randomized control trial

Patrick Goetti, Tiago Martinho, Antoine Seurot, Hugo Bothorel, Alexandre Lädermann

Open Access Study protocol

Perimenopausal Effects of Estradiol on Anhedonia and Psychosis Study (PEEPs): study protocol for a neural and molecular mechanistic clinical trial

Melissa J. M. Walsh, Kathryn Gibson, Megan Hynd, Tory A. Eisenlohr-Moul, Erin C. Walsh, Lauren Schiff, Fred Jarskog, David Lalush, Gabriel S. Dichter, Crystal E. Schiller

Open Access Commentary

Complex and alternate consent pathways in clinical trials: methodological and ethical challenges encountered by underserved groups and a call to action

Amy M. Russell, Victoria Shepherd, Kerry Woolfall, Bridget Young, Katie Gillies, Anna Volkmer, Mark Jayes, Richard Huxtable, Alexander Perkins, Nurulamin M. Noor, Beverley Nickolls, Julia Wade

Open Access Study protocol

Surgical treatment versus observation in moderate intermittent exotropia (SOMIX): study protocol for a randomized controlled trial

Tao Shen, Jingchang Chen, Ying Kang, Daming Deng, Xiaoming Lin, Heping Wu, Jinrong Li, Zhonghao Wang, Xuan Qiu, Ling Jin, Jianhua Yan

Open Access Study protocol

Evaluation of a smartphone application for self-help for patients with social anxiety disorder: a randomized controlled study—SMASH

Jan Marius Schittenhelm, Christoph von Borell, Celina Clément, Johanna Schüller, Ulrich Stangier, Juergen Hoyer

Open Access Study protocol

Trial protocol for a multicenter randomized controlled trial to assess the efficacy and safety of intravenous ketamine for chronic daily headaches: the “KetHead” trial

Yasmine Hoydonckx, Mandeep Singh, Ian Gilron, James Khan, Samer Narouze, Albert Dahan, Kathryn Curtis, Xingshan Cao, Jamal Kara, Anuj Bhatia

Open Access Study protocol

The efficacy of nalmefene on anesthetic recovery of patients: a study protocol for a multicenter randomized controlled trial

Xiaowen Ma, Jueying Liu, Ying Tang, Qiueyue Lian, Xiaorong Huai, Wanfeng Liu, Diansan Su

Open Access Research

Challenges and opportunities for conducting pre-hospital trauma trials: a behavioural investigation

Louisa Lawrie, Eilidh M. Duncan, Robert Lendrum, Victoria Lebrec, Katie Gillies

Open Access Methodology

Creating a best practice template for participant communication plans in global health clinical studies

Colleen E. Shelly, Caroline Logan, Beth Skorochod, Alison Wiyeh, Duduzile Ndwandwe, Augustine Choko, Innocent Valea, Boghuma K. Titanji

Open Access Methodology

Participant recruitment, baseline characteristics and at-home-measurements of cardiometabolic risk markers: insights from the Supreme Nudge parallel cluster-randomised controlled supermarket trial

Josine M. Stuber, Beryl A. C. E. van Hoek, Anne L. Vos, Edith G. Smit, Jeroen Lakerveld, Joreintje D. Mackenbach, Joline W. J. Beulens, Jody C. Hoenink, Femke Rutters, Wilma E. Waterlander, Denise T. D. de Ridder, Marleen Gillebaart, Stephanie Blom, Femke E. de Boer, Gert-Jan de Bruijn, Michel C. A. Klein, Jacqueline E. W. Broerse, Tjerk-Jan Schuitmaker-Warnaar, Cédric N. H. Middel, Yvonne T. van der Schouw, Ivonne Sluijs, Marjolein C. Harbers, Elizabeth Velema

Open Access Methodology

Treatment fidelity in a pragmatic clinical trial of music therapy for premature infants and their parents: the LongSTEP study

Tora Söderström Gaden, Christian Gold, Jörg Assmus, Ingrid Kvestad, Andreas Størksen Stordal, Łucja Bieleninik, Claire Ghetti

Open Access Study protocol

mHealth interventions to reduce stress in healthcare workers (fitcor): study protocol for a randomized controlled trial

Hannes Baumann, Luis Heuel, Laura L. Bischoff, Bettina Wollesen

Open Access Research

Site-specific factors associated with clinical trial recruitment efficiency in general practice settings: a comparative descriptive analysis

Michelle Tew, Max Catchpool, John Furler, Katie De La Rue, Philip Clarke, Jo-Anne Manski-Nankervis, Kim Dalziel

Open Access Study protocol

Investigation on the effect of antimicrobial photodynamic therapy as an adjunct for management of deep caries lesions—study protocol for a randomized, parallel groups, controlled clinical trial

Luiz Filipe Barbosa Martins, Leandro Rodrigues de Sena, Diego Martins de Paula, Victor Pinheiro Feitosa, Anna Carolina Ratto Tempestini Horliana, Kristianne Porta Santos Fernandes, Raquel Agnelli Mesquita-Ferrari, Lara Jansiski Motta, Marcela Leticia Leal Gonçalves, Sandra Kalil Bussadori

Open Access Research

Effect of low-dose aspirin on urinary 11-dehydro-thromboxane B2 in the ASCEND (A Study of Cardiovascular Events iN Diabetes) randomized controlled trial

Sarah Parish, Georgina Buck, Theingi Aung, Marion Mafham, Sarah Clark, Michael R. Hill, Rory Collins, Louise Bowman, Jane Armitage

Open Access Study protocol

DEPROMP Trial: the additive value of PSMA-PET/CT-guided biopsy for prostate cancer management in biopsy naïve men—study protocol for a randomized trial

P. Krausewitz, R. A. Bundschuh, F. C. Gaertner, M. Essler, U. Attenberger, J. Luetkens, G. Kristiansen, M. Muders, C-H. Ohlmann, S. Hauser, J. Ellinger, M. Ritter

Open Access Study protocol

A Smart Service System for Spatial Intelligence and Onboard Navigation for Individuals with Visual Impairment (VIS4ION Thailand): study protocol of a randomized controlled trial of visually impaired students at the Ratchasuda College, Thailand

Mahya Beheshti, Tahereh Naeimi, Todd E. Hudson, Chen Feng, Pattanasak Mongkolwat, Wachara Riewpaiboon, William Seiple, Rajesh Vedanthan, John-Ross Rizzo

Open Access Research

Effects of an 8-week multimodal exercise program on ground reaction forces and plantar pressure during walking in boys with autism spectrum disorder

Mahrokh Dehghani, Amir Ali Jafarnezhadgero, Mohamad Abdollahpour Darvishani, Shirin Aali, Urs Granacher

Open Access Review

Barriers and facilitators to the recruitment of disabled people to clinical trials: a scoping review

Sameed Shariq, Alexandra M Cardoso Pinto, Shyam Sundar Budhathoki, Marie Miller, Suzie Cro

Open Access Study protocol

Dual-task versus single-task gait rehabilitation after stroke: the protocol of the cognitive-motor synergy multicenter, randomized, controlled superiority trial (SYNCOMOT)

Sophie Tasseel-Ponche, Martine Roussel, Monica N. Toba, Thibaud Sader, Vincent Barbier, Arnaud Delafontaine, Jonathan Meynier, Carl Picard, Jean-Marc Constans, Alexis Schnitzler, Olivier Godefroy, Alain Pierre Yelnik

Open Access Study protocol

Implementation of offering choice of pulmonary rehabilitation location to people with COPD: a protocol for the process evaluation of a cluster randomised controlled trial

Narelle S Cox, Anne E Holland, Arwel W Jones, Christine F McDonald, Paul O’Halloran, Ajay Mahal, Graham Hepworth, Natasha A Lannin

Open Access Study protocol

Internet-based stress recovery intervention for adolescents: study protocol for a randomized controlled trial

Paulina Zelviene, Agniete Kairyte, Austeja Dumarkaite, Augustė Nomeikaite, Evaldas Kazlauskas

Open Access Study protocol

Overall morbidity after total minimally invasive keyhole oesophagectomy versus hybrid oesophagectomy (the MICkey trial): study protocol for a multicentre randomized controlled trial

Rosa Klotz, Markus K. Diener, Thomas Schmidt, Thilo Hackert, Sandra Graf, Hans F. Fuchs, Peter Grimminger, Jan-Hendrick Egberts, Ines Gockel, Pieter C. van der Sluis, Colette Doerr-Harim, Christina Klose, Manuel Feißt, Andre L. Mihaljevic

Open Access Commentary

Incomplete reporting of complex interventions: a call to action for journal editors to review their submission guidelines

Mairead Ryan, Tammy Hoffmann, Riikka Hofmann, Esther van Sluijs

Open Access Study protocol

Efficacy of silymarin in patients with non-alcoholic fatty liver disease — the Siliver trial: a study protocol for a randomized controlled clinical trial

Camila Ribeiro de Avelar, Beatriz Vieira Coelho Nunes, Betina da Silva Sassaki, Mariana dos Santos Vasconcelos, Lucivalda Pereira Magalhães de Oliveira, André Castro Lyra, Allain Amador Bueno, Rosângela Passos de Jesus

Open Access Study protocol

Individual supported work placements (ReISE) for improving sustained return to work in unemployed people with persistent pain: study protocol for a cohort randomised controlled trial with embedded economic and process evaluations

Pål André Amundsen, Martin Underwood, Kim Burton, Margreth Grotle, Ira Malmberg-Heimonen, Adnan Kisa, Milada Cvancarova Småstuen, Thor Einar Holmgard, Amy Martinsen, Jakob Lothe, Pernille Marie Stähr Irgens, Magnus Højen, Sølvi Spilde Monsen, Robert Froud

Open Access Study protocol

A randomised study of rituximab and belimumab sequential therapy in PR3 ANCA-associated vasculitis (COMBIVAS): design of the study protocol

Mark E. McClure, Seerapani Gopaluni, James Wason, Robert B. Henderson, Andre Van Maurik, Caroline C.O. Savage, Charles D. Pusey, Alan D. Salama, Paul A. Lyons, Jacinta Lee, Kim Mynard, David R. Jayne, Rachel B. Jones

Open Access Methodology

Re-analysis of ventilator-free days (VFD) in acute respiratory distress syndrome (ARDS) studies

Rejina Mariam Verghis, Cliona McDowell, Bronagh Blackwood, Bohee Lee, Daniel F. McAuley, Mike Clarke

Open Access Study protocol

Little All Children in Focus (Little ACF), evaluation of a parental support program for parents of children aged 1–2 years: study protocol for a randomized controlled trial

Lisa Blom, Anna Edenius, Pia Enebrink, Anders Hjern, Sven Arne Silfverdal, Johan Åhlén, Malin Bergström, Lene Lindberg

Open Access Study protocol

PROphylaxis for paTiEnts at risk of COVID-19 infecTion (PROTECT-V)

Toby J. L. Humphrey, Davinder Dosanjh, Thomas F. Hiemstra, Alex Richter, Michael Chen-Xu, Wendi Qian, Vivekanand Jha, Katrina Gatley, Rakshya Adhikari, Francis Dowling, Rona M. Smith

Open Access Study protocol

The COSI trial: a study protocol for a multi-centre, randomised controlled trial to explore the clinical and cost-effectiveness of the Circle of Security-Parenting Intervention in community perinatal mental health services in England

Camilla Rosan, Kim Alyousefi-van Dijk, Zoe Darwin, Daphne Babalis, Victoria Cornelius, Rachel Phillips, Lani Richards, Hannah Wright, Steve Pilling, Pasco Fearon, Elena Pizzo, Peter Fonagy

Open Access Study protocol

Impact of a multifaceted early mobility intervention for critically ill children — the PICU Up! trial: study protocol for a multicenter stepped-wedge cluster randomized controlled trial

Razvan Azamfirei, Colleen Mennie, Victor D. Dinglas, Arooj Fatima, Elizabeth Colantuoni, Ayse P. Gurses, Michele C. Balas, Dale M. Needham, Sapna R. Kudchadkar, Mashael Alqahtani, Justin Azar, John W. Berkenbosch, Ashley R. Bjorklund, Kelly L. Corbett, Molly V. Dorfman, Andrew W. Kiragu, Matthew A. Musick, Melissa B. Porter, Charles B. Rothschild, Elizabeth E. Scarlett, Tracie C. Walker, Melvin L. Wright

Open Access Study protocol

Evaluating interventions to reduce behaviour associated with HCV reinfection in men who have sex with men: study protocol for a non-blinded, phase 2, randomised trial

Kris Hage, Anders Boyd, Udi Davidovich, Paul Zantkuijl, Elske Hoornenborg, Amy Matser, Ellen Generaal, Janke Schinkel, Eve Todesco, Marc van der Valk, Hayette Rougier, Karine Lacombe, Maria Prins, S. Rebers, F. Pijnappel, H. van Eden, J. Stalenhoef, F. van Malsem, R. van Heerde, H. Nobel, W. Alers, L. Elsenburg, D. Verhagen, F. Lauw, M. van Wijk, J. den Hollander, A. Brouwer, E. Leyten, S. Wildenbeest, T. Mudrikova, M. van der Kerkhof, C. Kips, L. Flobbe, F. Mouthaan, S. Elzinga, D. Loomans, E. Ersan, K. Yap, K. de Jong, I. Peters, S. de Graaf, Ejay de Wit

Open Access Study protocol

Individualized flow-controlled versus conventional pressure-controlled ventilation in on-pump heart surgery (FLOWVENTIN HEARTSURG): study protocol for a randomized controlled trial

Simon Becker, Romina Schnitzler, Martin Rembecki, Johannes Geppert, Christian T. Kurz, Lisa-Marie Wichelhaus, Nina Timmesfeld, Peter K. Zahn

Open Access Study protocol

Comparing the clinical and cost-effectiveness of remote (telehealth and online) cognitive behavioral therapy-based treatments for high-impact chronic pain relative to usual care: study protocol for the RESOLVE multisite randomized control trial

Meghan Mayhew, Benjamin H. Balderson, Andrea J. Cook, John F. Dickerson, Charles R. Elder, Alison J. Firemark, Irina V. Haller, Morgan Justice, Francis J. Keefe, Carmit K. McMullen, Maureen C. O’Keeffe-Rosetti, Ashli A. Owen-Smith, Christine Rini, Jennifer L. Schneider, Michael Von Korff, Laura D. Wandner, Lynn L. DeBar

Open Access Update

Effectiveness and cost-effectiveness of a progressive, individualised walking and education program for prevention of low back pain recurrence in adults: statistical analysis plan for the WalkBack randomised controlled trial

Natasha C. Pocovi, Petra L. Graham, Chung-Wei Christine Lin, Simon D. French, Jane Latimer, Dafna Merom, Anne Tiedemann, Christopher G. Maher, Johanna M. van Dongen, Ornella Clavisi, Mark J. Hancock

Open Access Study protocol

The Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C) for serious mental illness in community mental health part 1: study protocol for a hybrid type 2 effectiveness-implementation cluster-randomized trial

Laurel D. Sarfan, Emma R. Agnew, Marlen Diaz, Lu Dong, Krista Fisher, Julia M. Spencer, Shayna A. Howlett, Rafael Esteva Hache, Catherine A. Callaway, Amy M. Kilbourne, Daniel J. Buysse, Allison G. Harvey

Open Access Study protocol

Effects of repetitive functional magnetic stimulation in the sacral nerve in patients with neurogenic detrusor overactivity after suprasacral spinal cord injury: a study protocol for a randomized controlled trial

Jiyang Li, Jianxiong Wang, Yue Hu, Rui Jian, Yulu Zhao, Dan Li, Tenggang Wan, Wuga Jike, Fangyuan Xu, Maomao Huang

Open Access Study protocol

Core protocol for the adaptive Platform Trial In COVID-19 Vaccine priming and BOOsting (PICOBOO)

C. McLeod, J Ramsay, K. L. Flanagan, M. Plebanski, H. Marshall, M. Dymock, J. Marsh, M. J. Estcourt, U. Wadia, P. C. M. Williams, M. C. Tjiam, C. Blyth, K. Subbarao, S. Nicholson, S. Faust, R. B. Thornton, A. Mckenzie, T. L Snelling, P. Richmond

Open Access Research

What do we talk about when we talk about “equipoise”? Stakeholder interviews assessing the use of equipoise in clinical research ethics

Brian Dewar, Stephanie Chevrier, Julie De Meulemeester, Mark Fedyk, Rosendo Rodriguez, Simon Kitto, Raphael Saginur, Michel Shamy

Open Access Study protocol

Eye movement desensitization and reprocessing for adolescents with major depressive disorder: study protocol for a multi-site randomized controlled trial

C. C. Paauw, C. de Roos, M. G. T. Koornneef, B. M. Elzinga, T. M. Boorsma, M. A. Verheij, A. E. Dingemans

Open Access Study protocol

Exhaustive drainage versus fixed-time drainage for chronic subdural hematoma after one-burr hole craniostomy (ECHO): study protocol for a multicenter randomized controlled trial

Liang Wu, Yunwei Ou, Bingcheng Zhu, Xufei Guo, Xiaofan Yu, Long Xu, Jinping Li, Enshan Feng, Huaqing Li, Xiaodong Wang, Huaqun Chen, Zhaosheng Sun, Zaofu Liu, Dawei Yang, Hongbing Zhang, Zhigang Liu, Jie Tang, Shangfeng Zhao, Guobin Zhang, Jiemin Yao, Dongming Ma, Zelin Sun, Hui Zhou, Baiyun Liu, Weiming Liu

Open Access Study protocol

Strengthening primary care for diabetes and hypertension in Eswatini: study protocol for a nationwide cluster-randomized controlled trial

Michaela Theilmann, Ntombifuthi Ginindza, John Myeni, Sijabulile Dlamini, Bongekile Thobekile Cindzi, Dumezweni Dlamini, Thobile L. Dlamini, Maike Greve, Harsh Vivek Harkare, Mbuso Hleta, Philile Khumalo, Lutz M. Kolbe, Simon Lewin, Lisa-Rufaro Marowa, Sakhile Masuku, Dumsile Mavuso, Marjan Molemans, Nyasatu Ntshalintshali, Nomathemba Nxumalo, Brianna Osetinsky, Christopher Pell, Ria Reis, Fortunate Shabalala, Bongumusa R. Simelane, Lisa Stehr, Fabrizio Tediosi, Frank van Leth, Jan-Walter De Neve, Till Bärnighausen, Pascal Geldsetzer

Open Access Study protocol

BEAT CF pulmonary exacerbations core protocol for evaluating the management of pulmonary exacerbations in people with cystic fibrosis

Andre Schultz, Charlie McLeod, Scott Berry, Julie Marsh, Anne McKenzie, Mitch Messer, Jamie Wood, Ben Saville, Adam Jaffe, Sarath Ranganathan, Steve Stick, Peter Wark, Steve Webb, Tom Snelling

Open Access Study protocol

A multicentre, patient- and assessor-blinded, non-inferiority, randomised and controlled phase II trial to compare standard and torque teno virus-guided immunosuppression in kidney transplant recipients in the first year after transplantation: TTVguideIT

Frederik Haupenthal, Jette Rahn, Fabrizio Maggi, Fanny Gelas, Philippe Bourgeois, Christian Hugo, Bernd Jilma, Georg A. Böhmig, Harald Herkner, Michael Wolzt, Konstantin Doberer, Matthias Vossen, Daniele Focosi, Hannes Neuwirt, Miriam Banas, Bernhard Banas, Klemens Budde, Ondrej Viklicky, Paolo Malvezzi, Lionel Rostaing, Joris I. Rotmans, Stephan J. L. Bakker, Kathrin Eller, Daniel Cejka, Alberto Molina Pérez, David Rodriguez-Arias, Franz König, Gregor Bond, Georg Melzer, Martha del Alamo, Isabel Beneyto, David Navarro, Sophie Ohlmann

Open Access Study protocol

Influence of CReatine supplementation on mUScle mass and strength after stroke (ICaRUS Stroke Trial): study protocol for a randomized controlled trial

Juli Thomaz de Souza, Marcos F. Minicucci, Natália C. Ferreira, Bertha F. Polegato, Marina Politi Okoshi, Gabriel P. Modolo, Bethan E. Phillips, Philip J. Atherton, Kenneth Smith, Daniel Wilkinson, Adam Gordon, Suzana E. Tanni, Vladimir Eliodoro Costa, Maria Fernanda P. Fernandes, Silméia G. Zanati Bazan, Leonardo A. M. Zornoff, Rodrigo Bazan, Sérgio A. Rupp de Paiva, Paula Schmidt Azevedo

Open Access Methodology

A retrospective analysis of conditional power assumptions in clinical trials with continuous or binary endpoints

Julia M. Edwards, Stephen J. Walters, Steven A. Julious

Open Access Study protocol

Patient-tailored transcranial direct current stimulation to improve stroke rehabilitation: study protocol of a randomized sham-controlled trial

Mia Kolmos, Mads Just Madsen, Marie Louise Liu, Anke Karabanov, Katrine Lyders Johansen, Axel Thielscher, Karen Gandrup, Henrik Lundell, Søren Fuglsang, Esben Thade, Hanne Christensen, Helle Klingenberg Iversen, Hartwig Roman Siebner, Christina Kruuse

Open Access Study protocol

Scandinavian trial of uncomplicated aortic dissection therapy: study protocol for a randomized controlled trial

Claudina Rudolph, Beate Rikken Lindberg, Timothy Resch, Kevin Mani, Patrick Björkman, Elín Hanna Laxdal, Henrik Støvring, Henriette Margrethe Beck, Gunnar Eriksson, Jacob Budtz-Lilly

Open Access Update

Community participatory learning and action cycle groups to reduce type 2 diabetes in Bangladesh (D:Clare): an updated study protocol for a parallel arm cluster randomised controlled trial

Carina King, Malini Pires, Naveed Ahmed, Kohenour Akter, Abdul Kuddus, Andrew Copas, Hassan Haghparast-Bidgoli, Joanna Morrison, Tasmin Nahar, Sanjit Kumer Shaha, AKAzad Khan, Kishwar Azad, Edward Fottrell

Open Access Study protocol

Leukocyte- and platelet-rich fibrin in cranial surgery: study protocol for a prospective, parallel-group, single-blinded randomized controlled non-inferiority trial {1}

Birgit Coucke, Anaïs Van Hoylandt, Johannes van Loon, Frank Van Calenbergh, Laura Van Gerven, Tom Theys

Open Access Update

Promoting mental health and well-being in schools: examining mindfulness, relaxation and strategies for safety and well-being in English primary and secondary schools—study protocol for a multi-school, cluster randomised controlled trial (INSPIRE)

Daniel Hayes, Anna Moore, Emily Stapley, Neil Humphrey, Rosie Mansfield, Joao Santos, Emma Ashworth, Praveetha Patalay, Eva-Maria Bonin, Sara Evans-Lacko, Bettina Moltrecht, Kirsty Nisbet, Emma Thornton, Aurelie Lange, Paul Stallard, Abigail Thompson, Jan Rasmus Boehnke, Jessica Deighton

Open Access Study protocol

Effect of focused power ultrasound-mediated perirenal fat modification on primary hypertension: protocol of a multicenter, randomized, double-blinded, sham-controlled study

Menghuan Li, Jing Shi, Yanhui Sheng, Yuqing Zhang, Tingting Wu, Jiaming Yang, Kerui Zhang, Wei Sun, Xiangqing Kong

Open Access Update

HOPPSA update: changes in the study protocol of Hysterectomy and OPPortunistic SAlpingectomy, a registry-based randomized controlled trial

Annika Idahl, Per Liv, Anna Darelius, Elin Collins, Karin Sundfeldt, Mathias Pålsson, Annika Strandell

Open Access Study protocol

Development of core outcome sets of Food for Special Medical Purposes designed for type 2 diabetes mellitus: a study protocol

Dongyu Mu, Jie Gong, Yaoyao Wei, Muxi Chen, Jiajie Yu, Liang Du, Wen Hu

Open Access Study protocol

Suture-tape augmentation of anterior cruciate ligament reconstruction: a prospective, randomised controlled trial (STACLR)

Lachlan Huntington, Andrew Griffith, Libby Spiers, Rebecca Pile, Lachlan Batty, Scott Tulloch, Phong Tran

Open Access Update

Serial prophylactic exchange blood transfusion in pregnant women with sickle cell disease (TAPS-2): statistical and qualitative analysis plan for a randomised controlled feasibility trial

Paul T. Seed, Sarah B. Brien, Laura L. Oakley, Vicky Robinson, Joseph Sharif, Hilary Thompson, Jeannine Joseph, Eugene Oteng-Ntim

Open Access Study protocol

Effect of lung ultrasound-guided fluid deresuscitation on duration of ventilation in intensive care unit patients (CONFIDENCE): protocol for a multicentre randomised controlled trial

Siebe G. Blok, Amne Mousa, Michelle G. Brouwer, Harm-Jan de Grooth, Ary Serpa Neto, Michiel J. Blans, Sylvia den Boer, Tom Dormans, Henrik Endeman, Timo Roeleveld, Harm Scholten, Eline R. van Slobbe-Bijlsma, Erik Scholten, Hugo Touw, Fleur Stefanie L. I. M. van der Ven, Evert-Jan Wils, David J. van Westerloo, Leo M. A. Heunks, Marcus J. Schultz, Frederique Paulus, Pieter R. Tuinman

Open Access Methodology

The integration of rapid qualitative research in clinical trials: reflections from the ward-based goal-directed fluid therapy (GDFT) in acute pancreatitis feasibility trial

Cecilia Vindrola-Padros, Farid Froghi, Vignesh Gopalan, Sachan Maruthan, Helder Filipe, Margaret McNeil, Sara Mingo Garcia, Brian Davidson

Open Access Study protocol

Arthroscopic synovectomy versus intra-articular injection of corticosteroids for the management of refractory psoriatic or rheumatoid arthritis of the wrist: study protocol for a randomized controlled trial (ARCTIC trial)

P. N. d’Ailly, C. Deugd, N. W. L. Schep, T. M. Kuijper, M. R. Kok, A. Willemze, J. H. Coert, P. H. P. de Jong, W. K. Lam-Tse, A. H. M. van der Helm-van Mil, I. Tchetverikov, A. E. A. M. Weel-Koenders, R. J. Bisoendial

Open Access Study protocol

Adjuvant melatonin for uveal melanoma (AMUM): protocol for a randomized open-label phase III study

Ruba Kal Omar, Anna Hagström, Gustav Stålhammar

Open Access Study protocol

Study protocol for a randomized controlled trial of Proportional Assist Ventilation for Minimizing the Duration of Mechanical Ventilation: the PROMIZING study

Karen J. Bosma, Claudio M. Martin, Karen E. A. Burns, Jordi Mancebo Cortes, Juan Carlos Suárez Montero, Yoanna Skrobik, Kevin E. Thorpe, Andre Carlos Kajdacsy-Balla Amaral, Yaseen Arabi, John Basmaji, Gaëtan Beduneau, Francois Beloncle, Guillaume Carteaux, Emmanuel Charbonney, Alexandre Demoule, Martin Dres, Vito Fanelli, Anna Geagea, Ewan Goligher, François Lellouche, Tommaso Maraffi, Alain Mercat, Pablo O. Rodriguez, Jason Shahin, Stephanie Sibley, Savino Spadaro, Katerina Vaporidi, M. Elizabeth Wilcox, Laurent Brochard

Open Access Commentary

Changing patient preferences toward better trial recruitment: an ethical analysis

Pepijn Al, Spencer Hey, Charles Weijer, Katie Gillies, Nicola McCleary, Mei-Lin Yee, Juliette Inglis, Justin Presseau, Jamie Brehaut

Open Access Study protocol

Chemoembolization combined radiofrequency ablation vs. chemoembolization alone for treatment of beyond the Milan criteria viable hepatocellular carcinoma (CERFA): study protocol for a randomized controlled trial

Soon Kyu Lee, Hyun Yang, Jung Hyun Kwon, Dong Jae Shim, Doyoung Kim, Soon Woo Nam, Sun Hong Yoo, Si Hyun Bae, Ahlim Lee, Young Joon Lee, Changho Jeon, Jeong Won Jang, Pil Soo Sung, Ho Jong Chun, Su Ho Kim, Joon-Il Choi, Jung Suk Oh, Yun-Jung Yang

Open Access Study protocol

A structured, telephone-delivered intervention to reduce methamphetamine use: study protocol for a parallel-group randomised controlled trial

Dan I. Lubman, Victoria Manning, Shalini Arunogiri, Kate Hall, John Reynolds, Peta Stragalinos, Rachel Petukhova, Robyn Gerhard, Jonathan Tyler, Anna Bough, Anthony Harris, Jasmin Grigg

Open Access Study protocol

Study protocol for a randomised controlled trial to evaluate the use of melanoma surveillance photography to the Improve early detection of MelanomA in ultra-hiGh and high-risk patiEnts (the IMAGE trial)

Mabel K. Yan, Anne E. Cust, H. Peter Soyer, Monika Janda, Katja Loewe, Gabrielle Byars, Paul Fishburn, Paul White, Rashidul Alam Mahumud, Robyn P. M. Saw, Alan Herschtal, Pablo Fernandez-Penas, Pascale Guitera, Rachael L. Morton, John Kelly, Rory Wolfe, Victoria J. Mar

Open Access Study protocol

Use of a sequential multiple assignment randomized trial to test contingency management and an integrated behavioral economic and mindfulness intervention for buprenorphine-naloxone medication adherence for opioid use disorder

Samuel C. Peter, James G. Murphy, Katie Witkiewitz, Sarah B. Hand, Fridtjof Thomas, Karen Chandler Johnson, Ronald Cowan, Matt Harris, Karen J. Derefinko

Open Access Study protocol

A double-blinded, placebo-controlled, randomized study to evaluate the efficacy of perioperative dextromethorphan compared to placebo for the treatment of postoperative pain: a study protocol

Ian A. Jones, Amit S. Piple, Pui Yuk Yan, Donald B. Longjohn, Paul K. Gilbert, Jay R. Lieberman, Gligor V. Gucev, Daniel A. Oakes, Christina E. Ratto, Alexander B. Christ, Nathanael D. Heckmann

Open Access Study protocol

Randomized controlled trial protocol of health coaching for veterans with complex chronic pain

Sarah Crosky, Mikhaela McFarlin, Nicole Sullivan, Darren Winograd, David Litke, Robin M. Masheb, Shou-En Lu, Michelle Costanzo, Nicole Anastasides, Christina Gonzalez, Jaineel Doshi, Fiona Graff, Linda Khatib, Scott Thien, Lisa M. McAndrew

Open Access Study protocol

Effect of Remote Peer-Counsellor- delivered Behavioral Activation and Peer-support for Antenatal Depression on Gestational Age at Delivery: a single-blind, randomized control trial

Kathleen H. Chaput, Makayla Freeman, Carly McMorris, Amy Metcalfe, Emily E. Cameron, James Jung, Suzanne Tough, Laurel M. Hicks, Sona Dimidjian, Lianne M. Tomfohr-Madsen

Open Access Commentary

The importance of NOT being Other: Time to address the invisibility of nuanced gender and sexuality in clinical trials

Adam D. N. Williams, Kerenza Hood, Karen Bracken, Gillian W. Shorter

Open Access Research

A DELPHI study priority setting the remaining challenges for the use of routinely collected data in trials: COMORANT-UK

Adam D. N. Williams, Gwyneth Davies, Amanda J. Farrin, Marion Mafham, Michael Robling, Matthew R. Sydes, Fiona V. Lugg-Widger

Open Access Methodology

Electronic health records to capture primary outcome measures: two case studies in HIV prevention research

David Dunn, Leanne McCabe, Ellen White, Valerie Delpech, Peter D. Kirwan, Jameel Khawam, Sara Croxford, Denise Ward, Elizabeth Brodnicki, Alison Rodger, Sheena McCormack

Open Access Study protocol

A randomised controlled trial assessing the potential of palmitoylethanolamide (PEA) to act as an adjuvant to resistance training in healthy adults: a study protocol

Zoya Huschtscha, Jackson J. Fyfe, Simon A. Feros, Andrew C. Betik, Christopher S. Shaw, Luana C. Main, Gavin Abbott, Sze-Yen Tan, Martin C. Refalo, Michael Gerhardy, Emma Grunwald, Anthony May, Jessica Silver, Craig M. Smith, Matthew White, D. Lee Hamilton

Open Access Study protocol

Clinical decision support to Optimize Care of patients with Atrial Fibrillation or flutter in the Emergency department: protocol of a stepped-wedge cluster randomized pragmatic trial (O’CAFÉ trial)

David R. Vinson, Adina S. Rauchwerger, Chandu A. Karadi, Judy Shan, E. Margaret Warton, Jennifer Y. Zhang, Dustin W. Ballard, Dustin G. Mark, Erik R. Hofmann, Dale M. Cotton, Edward J. Durant, James S. Lin, Dana R. Sax, Luke S. Poth, Stephen H. Gamboa, Meena S. Ghiya, Mamata V. Kene, Anuradha Ganapathy, Patrick M. Whiteley, Sean C. Bouvet, Leon Babakhanian, Edward W. Kwok, Matthew D. Solomon, Alan S. Go, Mary E. Reed

Open Access Study protocol

BISCIT: Biliary interventions in critically ill patients with secondary sclerosing cholangitis—a study protocol for a multicenter, randomized, controlled parallel group trial

Klaus Stahl, Friederike Klein, Torsten Voigtländer, Anika Großhennig, Thorsten Book, Tobias Müller, Alexander Wree, Armin Kuellmer, Jochen Weigt, Alexander Dechene, Edris Wedi, Arne Kandulski, Christian M. Lange, Dennis Holzwart, Dorothee von Witzendorff, Kristina I. Ringe, Heiner Wedemeyer, Benjamin Heidrich, Paul Schirmer, Henrike Lenzen, Ute Denkena, Christoph Schindler, Christian M. Lange

Open Access Research

Evidence of secular trends during the COVID-19 pandemic in a stepped wedge cluster randomized trial examining sexual and reproductive health outcomes among Indigenous youth

Michael Anastario, Elizabeth Rink, Paula Firemoon, Nicole Carnegie, Olivia Johnson, Malory Peterson, Ana Maria Rodriguez

Open Access Update

Lenient rate control versus strict rate control for atrial fibrillation: a statistical analysis plan for the Danish Atrial Fibrillation (DanAF) randomized clinical trial

Isak Mazanti Cold, Joshua Buron Feinberg, Axel Brandes, Ulla Davidsen, Ulrik Dixen, Helena Dominguez, Uffe Jakob Ortved Gang, Christian Gluud, Rakin Hadad, Kit Engedal Kristensen, Doan Tuyet van Le, Emil Eik Nielsen, Michael Hecht Olsen, Ole Dyg Pedersen, Ilan Esra Raymond, Ahmad Sajadieh, Anne Merete Boas Soja, Janus Christian Jakobsen

Open Access Study protocol

Coordinating smoking cessation treatment with menstrual cycle phase to improve quit outcomes (MC-NRT): study protocol for a randomized controlled trial

Laurie Zawertailo, Tina Kabir, Sabrina Voci, Elise Tanzini, Sophia Attwells, Liliana Malat, Scott Veldhuizen, Nadia Minian, Rosa Dragonetti, Osnat C. Melamed, Elad Mei-Dan, Peter Selby

Open Access Study protocol

IMPlementing IMProved Asthma self-management as RouTine (IMP2ART) in primary care: study protocol for a cluster randomised controlled implementation trial

Kirstie McClatchey, Vicky Hammersley, Liz Steed, Jessica Sheringham, Viv Marsh, Atena Barat, Brigitte Delaney, Thomas Hamborg, Deborah Fitzsimmons, Steve Holmes, Tracy Jackson, Elisabeth Ehrlich, Noelle Morgan, Ann Saxon, Megan Preston, David Price, Stephanie J. C. Taylor, Hilary Pinnock

Open Access Commentary

Quantifying the impact of the COVID-19 pandemic on clinical trial screening rates over time in 37 countries

Kelsey McDonald, Earl Seltzer, Mary Lu, Stefan Diaz Gaisenband, Cassandra Fletcher, Patrick McLeroth, Kamal S Saini

Open Access Study protocol

Smartphone intervention to optimize medication-assisted treatment outcomes for opioid use disorder: study protocol for a randomized controlled trial

Ronald G. Thompson Jr., Mary Bollinger, Michael J. Mancino, Deborah Hasin, Xiaotong Han, Keith A. Bush, Clint D. Kilts, G. Andrew James

Open Access Study protocol

Unicompartmental knee arthroplasty vs. high tibial osteotomy for medial knee osteoarthritis (UNIKORN): a study protocol of a randomized controlled trial

Juuso Siren, Lasse Rämö, Mikko Rantasalo, Olli Komulainen, Noora Skants, Aleksi Reito, Jussi Kosola, Jan Lindahl

Open Access Study protocol

Dihydroartemisinin-piperaquine or sulphadoxine-pyrimethamine for the chemoprevention of malaria in children with sickle cell anaemia in eastern and southern Africa (CHEMCHA): a protocol for a multi-centre, two-arm, double-blind, randomised, placebo-controlled superiority trial

Thandile Nkosi-Gondwe, Bjarne Robberstad, Robert Opoka, Dennis Kalibbala, Joseph Rujumba, Lufina Tsirizani Galileya, Pamela Akun, Winnie Nambatya, John Ssenkusu, Feiko TerKuile, Kamija Phiri, Richard Idro

Open Access Study protocol

Liver-HERO: hepatorenal syndrome-acute kidney injury (HRS-AKI) treatment with transjugular intrahepatic portosystemic shunt in patients with cirrhosis—a randomized controlled trial

Cristina Ripoll, Stephanie Platzer, Philipp Franken, Rene Aschenbach, Andreas Wienke, Ulrike Schuhmacher, Ulf Teichgräber, Andreas Stallmach, Jörg Steighardt, Alexander Zipprich, Philipp Reuken, Marina Reljic, Florian Bürckenmeyer, Kathleen Lange, Robin Greinert, Marco Damm, Christian Lange, Paul Jamme, Max Seidensticker, Moritz Wildgruber, Dominik Bettinger, Michael Schultheiss, Marco Berning, Stefan Sulk, Jens-Peter Kühn, Ralf-Thorsten Hoffmann, Christoph Radosa, Thomas Hofmockel, Tony Bruns, Theresa Wirtz, Philipp Bruners, Karel Caca, Andreas Wannhoff, Benjamin Massoumy, Katja Deterding, Jan Hinrichs, Kerstin Port, Jonel Trebicka, Michael Praktiknjo, Cornelius Engelmann, Andreas Drolz

Open Access Research

Strategies to minimise and monitor biases and imbalances by arm in surgical cluster randomised trials: evidence from ChEETAh, a trial in seven low- and middle-income countries

Didier Ahogni, Aristide Ahounou, K. Alassan Boukari, Oswald Gbehade, Thierry K. Hessou, Sinama Nindopa, M. J. Bienvenue Nontonwanou, Nafissatou Orou Guessou, Arouna Sambo, Sorekou Victoire Tchati, Affisatou Tchogo, Semevo Romaric Tobome, Parfait Yanto, Isidore Gandaho, Armel Hadonou, Simplice Hinvo, Montcho Adrien Hodonou, Sambo Bio Tamou, Souliath Lawani, Covalic Melic Bokossa Kandokponou, Francis Moise Dossou, Antoine Gaou, Roland Goudou, Marie-Claire Kouroumta, Ismail Lawani, Enrif Malade, Anne Stredy Mkoh Dikao, Joel Nzuwa Nsilu, Pencome Ogouyemi, Marcelin Akpla, Nathan Bisimwa Mitima, Blaise Kovohouande, Cyrille Kpangon, Stephane Laurent Loupeda, Mamonde Victorin Agbangla, Sena Emmanuel Hedefoun, Thierry Mavoha, Juvenal Ngaguene, Janvier Rugendabanga, Rish Romaric Soton, Martin Totin, Mouhamed Agbadebo, Irene Akpo, Hubert Dewamon, Martin Djeto, Aissatou Hada, Monsede Hollo, Albert Houndji, Anasthasie Houndote, Sylvestre Hounsa, Expedit Kpatchassou, Hugues Yome, Mohamed Moussa Alidou, Eric Jerry Bara, B. T. Bonheur Dossou Yovo, Robert Guinnou, Souleymane Hamadou, H. 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Open Access Study protocol

Internet-delivered cognitive behavioral therapy for tinnitus compared to Internet-delivered mindfulness for tinnitus: a study protocol of a randomized controlled trial

Jonas Eimontas, Goda Gegieckaitė, Irena Asačiova, Nikol Stičinskaitė, Livija Arcimavičiūtė, Dovilė Savickaitė, Donata Vaitiekūnaitė-Zubriakovienė, Marius Polianskis, Jennifer Gans, Eldre Beukes, Vinaya Manchaiah, Gerhard Andersson, Eugenijus Lesinskas

Open Access Study protocol

Reverse shoulder arthroplasty versus hemiarthroplasty versus non-surgical treatment for older adults with acute 3- or 4-part fractures of the proximal humerus: study protocol for a randomised controlled trial (PROFHER-2: PROximal Fracture of Humerus Evaluation by Randomisation – Trial Number 2)

Amar Rangan, Stephen Gwilym, Ada Keding, Belen Corbacho, Lucksy Kottam, Catherine Arundel, Elizabeth Coleman, Livio DiMascio, Catherine Hewitt, Valerie Jones, Jamila Kassam, Catriona McDaid, Natasha Mitchell, Andrew Mott, Grace O’Carroll, Puvan Tharmanathan, David Torgerson

Open Access Commentary

Impact of the COVID-19 pandemic on a clinical trial of pneumococcal vaccine scheduling (PVS) in rural Gambia

Ilias Hossain, Isaac Osei, Galega Lobga, Baleng M. Wutor, Yekini Olatunji, Williams Adefila, Banjo Adeshola, Yasir Isa, Cattram Nguyen, Kemo Sonko, Lamin Ceesay, Bubacarr Baldeh, Omar Barrow, Benjamin Young, Saidina Ceesay, Abdoullah Nyassi, Golam Sarwar, Ousman Barjo, Momodou M.Drammeh, Rasheed Salaudeen, Grant Mackenzie

Open Access Study protocol

Effectiveness and implementation of mPATH™-CRC: a mobile health system for colorectal cancer screening

Anna C. Snavely, Kristie Foley, Ajay Dharod, Mark Dignan, Holly Brower, Elena Wright, David P. Miller Jr.

Open Access Study protocol

EXCHANGE-2: investigating the efficacy of add-on plasma exchange as an adjunctive strategy against septic shock—a study protocol for a randomized, prospective, multicenter, open-label, controlled, parallel-group trial

Sascha David, Christian Bode, Klaus Stahl, Julius Schmidt, Benjamin Seeliger, Thorben Pape, Bernhard Schmidt, Marius M. Hoeper, Heiner Wedemeyer, Tobias Welte, Kai Schmidt-Ott, Pedro David Wendel Garcia, Daniel A. Hofmänner, Rea Andermatt, Reto Schuepbach, Andriyana Bankova, Hans-Joerg Gillmann, Thomas Stueber, Carolin Jung, Andre Gerdes, Christian Putensen, Andrea Sauer, Lennart Wild, Felix Lehmann, Markus A. Weigand, Christian Nusshag, Judith Schenz, Sebastian O. Decker, Mascha O. Fiedler, Florian Uhle, Michael Bauer, Julia Leonhardt, Frank Bloos, Silke Rummler, Philipp Enghard, Abakar Magomedov, Daniel Zickler, Julius Kunz, Jochen Dutzmann, Alexander Vogt, Matthias Girndt, Silke Markau, Mathias Kochanek, Jan-Hendrik Naendrup, Alexander Zarbock, Melanie Meersch, Thilo von Groote, Mahan Sadjadi, Carola Wempe, Steffen Mitzner, Markus Heim, Stefanie Pilge, Nicolas Bubendorfer, Gerhard Schneider, Tobias Lahmer, Sebastian Rasch, Thorsten Brenner, Marc M. Berger, Jens Brands, Florian Espeter, Julius Freytag, Stefan Kluge, Dominik Jarczak, Axel Nierhaus, Jan T. Kielstein, M. Winkler, Thomas Fühner, Jan Schmieszek, Jan Menne, Martin Sauer, Georg Richter, Ingmar Lautenschläger, David Radke, Ansgar Reising, Alexander Keil, Joern Bramstedt, Mustafa Fahham, Carsten Willam, Larissa Herbst, Karl Bihlmaier, Christoph Buettner, Peter Schellongowski, Elisabeth Lobmeyr-Längle, Gürgkan Sengölge, Thomas Staudinger, Joerg C. Schefold, Philipp Venetz, Jan Waskowski, Carmen A. Pfortmueller, Michael Joannidis, Gert Mayer, Romuald Bellmann, Armin Koch, Xiaofei Liu

Open Access Study protocol

VR-SOAP, a modular virtual reality treatment for improving social activities and participation of young people with psychosis: a study protocol for a single-blind multi-centre randomized controlled trial

Ivo Alexander Meins, Dauw Catharina Muijsson-Bouwman, Saskia Anne Nijman, Kirstin Greaves-Lord, Wim Veling, Gerdina Hendrika Maria Pijnenborg, Elisabeth Christine Dorothée van der Stouwe

Open Access Study protocol

A cluster randomised trial to evaluate the effectiveness of household alcohol-based hand rub for the prevention of sepsis, diarrhoea, and pneumonia in Ugandan infants (the BabyGel trial): a study protocol

Martin Chebet, David Mukunya, Kathy Burgoine, Melf-Jakob Kühl, Duolao Wang, Antonieta Medina-Lara, Eric Brian Faragher, Amos Odiit, Peter Olupot-Olupot, Ingunn Marie Stadskleiv Engebretsen, John Baptist Waniaye, Julius Wandabwa, Thorkild Tylleskär, Andrew Weeks

Open Access Study protocol

Safety and effectiveness of standardized exercise training in patients with pulmonary hypertension associated with heart failure with preserved ejection fraction (TRAIN-HFpEF-PH): study protocol for a randomized controlled multicenter trial

Eglė Palevičiūtė, Jelena Čelutkienė, Toma Šimbelytė, Lina Gumbienė, Elena Jurevičienė, Diana Zakarkaitė, Sigitas Čėsna, Christina A. Eichstaedt, Nicola Benjamin, Ekkehard Grünig

Open Access Study protocol

Glucagon-like peptide-1 analogues: a new way to quit smoking? (SKIP)—a structured summary of a study protocol for a randomized controlled study

Sophia Lengsfeld, Thilo Burkard, Andrea Meienberg, Nica Jeanloz, David Coynel, Deborah R. Vogt, Lars G. Hemkens, Benjamin Speich, Davide Zanchi, Tobias E. Erlanger, Mirjam Christ-Crain, Bettina Winzeler

Open Access Study protocol

Effect of a customized digital adherence tool on retention in care and adherence to antiretroviral treatment in breastfeeding women, children and adolescents living with HIV in Tanzania: a mixed-methods study followed by clinical trials

I. Marion Sumari-de Boer, Kennedy M. Ngowi, Iraseni U. Swai, Lyidia V. Masika, Rehema A. Maro, Alan E. Mtenga, Benson A. Mtesha, Pythia T. Nieuwkerk, Ria Reis, Tobias F. Rinke de Wit, Rob E. Aarnoutse

Open Access Study protocol

Statistical analyses of ordinal outcomes in randomised controlled trials: protocol for a scoping review

Chris J. Selman, Katherine J. Lee, Clare L. Whitehead, Brett J. Manley, Robert K. Mahar

Open Access Research

Integrating pragmatic and implementation science randomized clinical trial approaches: a PRagmatic Explanatory Continuum Indicator Summary-2 (PRECIS-2) analysis

Douglas Zatzick, Lawrence Palinkas, David A. Chambers, Lauren Whiteside, Kathleen Moloney, Allison Engstrom, Laura Prater, Joan Russo, Jin Wang, Khadija Abu, Matt Iles-Shih, Eileen Bulger

Open Access Methodology

DMC reports in the 21st century: towards better tools for decision-making

Marc Vandemeulebroecke, Mark Baillie, Ardalan Mirshani, Emmanuel Lesaffre

Open Access Study protocol

Smell and taste of milk during tube feeding of preterm infants: neurodevelopmental follow-up of the randomized TASTE trial, study protocol

Friederike Beker, Ian P. Hughes, Sue Jacobs, Helen G. Liley, Samudragupta Bora, Gabrielle Simcock, Peter G. Davis

Open Access Study protocol

A study protocol for the randomized controlled trial SAFIR FAMILY TALK: a selective primary preventive intervention vs. service as usual for children of parents with mental illness

Signe S. Nielsen, Lisbeth J. Mikkelsen, Nikolaj Quaade, Tracy R. G. Gladstone, William R. Beardslee, Katrina Bonnemose, Nicole K. Rosenberg, Carsten Hjorthøj, Anne A. E. Thorup, Merete Nordentoft, Anne Ranning

Open Access Study protocol

Evaluating the equity impact and cost-effectiveness of digital adherence technologies with differentiated care to support tuberculosis treatment adherence in Ethiopia: protocol and analysis plan for the health economics component of a cluster randomised trial

Nicola Foster, Amare W. Tadesse, Christopher Finn McQuaid, Lara Gosce, Tofik Abdurhman, Demelash Assefa, Ahmed Bedru, Rein M. G. J. Houben, Kristian van Kalmthout, Taye Letta, Zemedu Mohammed, Job van Rest, Demekech G. Umeta, Gedion T. Weldemichael, Hiwot Yazew, Degu Jerene, Matthew Quaife, Katherine L. Fielding

Open Access Study protocol

The rationale and study design of two phase II trials examining the effects of BI 685509, a soluble guanylyl cyclase activator, on clinically significant portal hypertension in patients with compensated cirrhosis

Thomas Reiberger, Annalisa Berzigotti, Jonel Trebicka, Judith Ertle, Isabella Gashaw, Ros Swallow, Andrea Tomisser

Open Access Commentary

Surgical trial design for incorporating the effects of learning: what is the current methodological guidance, and is it sufficient?

Neil Corrigan, Julia M. Brown, Richard Emsley, David G. Jayne, Rebecca E. A. Walwyn

Open Access Research

Exploring implementation outcomes in the clinical trial context: a qualitative study of physician trial stakeholders

Kristian D. Stensland, Anne E. Sales, Varsha K. Vedapudi, Laura J. Damschroder, Ted A. Skolarus

Open Access Study protocol

ESTIMation of the ABiLity of prophylactic central compartment neck dissection to modify outcomes in low-risk differentiated thyroid cancer: a prospective randomized trial

Dana Hartl, Yann Godbert, Xavier Carrat, Stéphane Bardet, Audrey Lasne-Cardon, Pierre Vera, Elena Ilies, Slimane Zerdoud, Jérôme Sarini, Mohamad Zalzali, Luigi La Manna, Olivier Schneegans, Antony Kelly, Philppe Kauffmann, Patrice Rodien, Laurent Brunaud, Solange Grunenwald, Elie Housseau, Salim Laghouati, Nathalie Bouvet, Elodie Lecerf, Julien Hadoux, Livia Lamartina, Martin Schlumberger, Isabelle Borget

Open Access Methodology

Using re-randomisation designs to increase the efficiency and applicability of retention studies within trials: a case study

Beatriz Goulao, Anne Duncan, Karen Innes, Craig R. Ramsay, Brennan C. Kahan

Open Access Study protocol

G-FORCE: the effectiveness of group psychotherapy for Cluster-C personality disorders: protocol of a pragmatic RCT comparing psychodynamic and two forms of schema group therapy

Birre B. van den Heuvel, Jack J. M. Dekker, M. Daniëls, Henricus L. Van, Jaap Peen, Judith Bosmans, Arnoud Arntz, Marcus J. H. Huibers

Open Access Study protocol

Effects of a peripherally acting µ-opioid receptor antagonist for the prevention of recurrent acute pancreatitis: study protocol for an investigator-initiated, randomized, placebo-controlled, double-blind clinical trial (PAMORA-RAP trial)

Mathias E. Cook, Cecilie S. Knoph, Camilla A. Fjelsted, Jens B. Frøkjær, Anders E. Bilgrau, Srdan Novovic, Maiken Thyregod Jørgensen, Michael B. Mortensen, Liv B. J. Nielsen, Amer Hadi, Mark Berner-Hansen, Wiktor Rutkowski, Miroslav Vujasinovic, Matthias Löhr, Asbjørn M. Drewes, Søren S. Olesen

Open Access Study protocol

Evaluation of the efficacy of HEMO2life®, a marine OXYgen carrier for Organ Preservation (OxyOp2) in renal transplantation: study protocol for a multicenter randomized trial

Yannick Le Meur, Emmanuel Nowak, Benoit Barrou, Antoine Thierry, Lionel Badet, Matthias Buchler, Jean-Philippe Rerolle, Leonard Golbin, Agnès Duveau, Jacques Dantal, Pierre Merville, Nassim Kamar, Leïla Demini, Franck Zal

Open Access Study protocol

Drainless robot-assisted minimally invasive oesophagectomy—randomized controlled trial (RESPECT)

B. Müssle, J. Kirchberg, N. Buck, O. Radulova-Mauersberger, D. Stange, T. Richter, B. Müller-Stich, R. Klotz, J. Larmann, S. Korn, A. Klimova, X. Grählert, E. Trips, J. Weitz, T. Welsch

Open Access Study protocol

Surgical treatments for postamputation pain: study protocol for an international, double-blind, randomised controlled trial

Emily Pettersen, Paolo Sassu, Carina Reinholdt, Peter Dahm, Ola Rolfson, Anders Björkman, Marco Innocenti, Francesca Alice Pedrini, Juan Manuel Breyer, Aidan Roche, Andrew Hart, Lorraine Harrington, Adil Ladak, Hollie Power, Jacqueline Hebert, Max Ortiz-Catalan

Open Access Methodology

Informed consent in randomised controlled trials: further development and evaluation of the participatory and informed consent (PIC) measure

Julia Wade, Elka Humphrys, Alba X Realpe, Daisy M Gaunt, Jenni Burt, James P. Sheppard, Mark Lown, Eleanor Temple, Rebecca Lowe, Rosalyn Fraser, Julie Allen, Gary A Ford, Carl Heneghan, F. D. Richard Hobbs, Sue Jowett, Shahela Kodabuckus, Paul Little, Jonathan Mant, Jill Mollison, Rupert A. Payne, Marney Williams, Ly-Mee Yu, Richard J. McManus, Carmel Conefrey, Jenny Donovan, Nicola Farrar, Marcus Jepson, Ava Lorenc, Nicola Mills, Sangeetha Paramasivan, Leila Rooshena

Open Access Study protocol

Stereotactic Body radiotherapy and pedicLE screw fixatioN During one hospital visit for patients with symptomatic unstable spinal metastases: a randomized trial (BLEND RCT) using the Trials within Cohorts (TwiCs) design

E. H. Huele, J. M. van der Velden, N. Kasperts, W. S. C. Eppinga, J. P. C. Grutters, B. B. M. Suelmann, A. A. Weening, D. Delawi, S. C. C. M. Teunissen, H. M. Verkooijen, J. J. Verlaan, R. Gal

Open Access Study protocol

A Study of Individualized Diagnosis and Treatment for Depression with Atypical Features (iDoT-AFD): study protocol for a randomized clinical trial and prognosis study

Rubai Zhou, Huifeng Zhang, Shen He, Yi Li, Guiyun Xu, Jinsong Huang, Huaning Wang, Qian Wang, Biao Li, Xuemei Wang, Ningning Chen, Fang Li, Xiaosa Li, Mengjun Liu, Daihui Peng

Open Access Correction

Correction: Effect of focused power ultrasound-mediated perirenal fat modification on primary hypertension: protocol of a multicenter, randomized, double-blinded, sham-controlled study

Menghuan Li, Jing Shi, Yanhui Sheng, Yuqing Zhang, Tingting Wu, Jiaming Yang, Kerui Zhang, Wei Sun, Xiangqing Kong

Open Access Study protocol

Protocol for an evaluation of adherence monitoring and support interventions among people initiating antiretroviral therapy in Cape Town, South Africa—a multiphase optimization strategy (MOST) approach using a fractional factorial design

Lauren Jennings, Rebecca L. West, Nafisa Halim, Jeanette L. Kaiser, Marya Gwadz, William B. MacLeod, Allen L. Gifford, Jessica E. Haberer, Catherine Orrell, Lora L. Sabin

Open Access Study protocol

The influence of shunting left/right portal vein branch on post-TIPS hepatic encephalopathy: a study protocol for multicenter randomized blinded controlled trial

Jingqin Ma, Jianjun Luo, Wen Zhang, Yongjie Zhou, Zihan Zhang, Minjie Yang, Zhiquan Zhuang, Li Ma, Jiaze Yu, Xin Zhou, Zhiping Yan

Open Access Study protocol

Fluid Optimisation in Emergency Laparotomy (FLO-ELA) Trial: study protocol for a multi-centre randomised trial of cardiac output-guided fluid therapy compared to usual care in patients undergoing major emergency gastrointestinal surgery

Mark R. Edwards, Gordon Forbes, Neil Walker, Dion G. Morton, Monty G. Mythen, Dave Murray, Iain Anderson, Borislava Mihaylova, Ann Thomson, Matt Taylor, Marianne Hollyman, Rachel Phillips, Keith Young, Brennan C. Kahan, Rupert M. Pearse, Michael P. W. Grocott, Alexandra Skubala, Patrick Tapley, Suzanne Kellett, Clare Bolger, Rachel Burnish, Nikki Collings, Andrew Cumpstey, Hannah Wong, Vic Rehnberg, Jessica Lees, Karen Salmon, Naomi Wee, Sarah Harrison, Li Ping Gan, Claire Halloran, Georgios Tsiopanis, Said Seifalian, Richard Webster, Martin Knight, Hannah Theobald, Anna Clark, Thomas Nicholls, James Willey, Sophia Beeby, Luke Bracegirdle, Kate Stoddard, Belinda Roberts, Alice Baker, Norma Diaper, Jonathan Biss, Michael Carter, Francesca Riccio, James Green, Lucy Johnstone, Jade Rand, Kasia Wisniewska, Grant Gibson, Hannah Bateson, Michelle Beveridge, Martyna Marani, Isabel Monger, Agnieszka Burtt, Gary Minto, Iain Christie, Anna Fergusson, Abigail Patrick, Stuart Cleland, Charlotte Eglinton, Natasha Wilmshurst, Fiona Reed, Joanne Smith, Anna Ratcliffe, Elizabeth Freeman, Jennie Kingdon, James Humphreys, Sarah Nelson, Adrian Jennings, Angela Watts, Andrew Moores, Lucy Smith, Jenny Wright, Julian Sonksen, Caroline Moody, Philip Harrington, Jack Lee, Nadim Kozman, Zoe Riddell, Catherine Brennan, Shakira Nathoo, Vikram Anumakonda, Andrea Gait, Richard Pierson, Raj Patel, Lee Plant, Nipun Agarwal, Hadassah Ihlenfeldt, James Heggie, Rachel Olive, Joseph Pick, Sally Hinsley, Nicola Calthorpe, Julie Matthews, Wendy Gardner, Charlotte Topham, Edward Jones, Elliot Yates, Sachin Sekhsaria, Mohamed Amer, Phil Pemberton, Nicholas Coffin, Halden Hutchinson-Bazely, Karen June Pearson, Tracy Edwards, Beth Fitzmaurice, Anna Pierson, Katie Archer, Omar Ahmed, Sajid Khan Mohammed, Alex Hollis, Stephanie Weedon, David Hillier, Joanna Lau, Vishal Amin, Laura Dixon, Joseph Seager, Joe Tyler, Stacey Forsey, N. Parry, Aamer Mughal, Jialuen Goh, Rose Tiller, Daniel Taylor, Hasini Rallage, Alexandra Leech, John Harris, Claire Gabriel, Sheron Clarke, Katherine Pagett, Thomas Rudnick, Nick Brown, Sarah Hare, Eimhear Lusby, Edward Bayliss, Christopher Ward, Rahul Bandopadhyay, Kerrie Wilson, Theodore Floyd, Iram Ahmed, Tom Hatton, Malgorzata Szeszo, Thyra Kyere-Diabour, Daniel Sumner, Tessa Lawrence, Emma Sutton, Winston Ng, Ioannis Kapsokalyuas, Anthony Carter, Anamika Kansal, Leon Bernard, Siew-Ling Harrison, Andrew Feneley, Owen Cooke, Jennifer Hawley, Sophie Berry, Laura Adams, Thomas Hansen, Pieter Bothma, Julie North, Teresa Ferreira, Karan Verma, Karthik Surendran, Aruthy Arumugam, Sunil Jamadarkhana, Carina Cruz, Pearl Baker, Naomi Brice, Antony Ashton, McDonald Mupudzi, Juliette Kemp, Ajay Rahl, Denise Griffin, Aaron Stokes, Keith Ritchie, Arcot Venkatasubramaniam, Robert Cheek, Madonna Brown, Dawn Trodd, Caroline Wrey Brown, Jane Martin, Sam Hammond, Louisa Mason, Nycola Muchenje, Hamish Breach, Amanda Colston, Malcolm Watters, Edwards Miles, Emma Marshall, Madeleine Storey, Victoria Hawley, Edward Gomm, Claire Potter, Melanie Knowles, Edward Beech, Peter van Breda, Helen Langton, Nicholas Suarez, Matthew Rowe, Andrei Tanase, Jonathan Barnes, David Earl, Lorraine Stephenson, Tracy Burdett, Martin Huntley, Emma Cottrell, Hao Ern Tan, Joyce Yeung, Jasraj Kailey, Teresa Melody, Jo Gresty, Julia Sampson, Katie Atterbury, Peter Sutton, Natalie Carling, Eleanor Reeves, Carl Groves, Daniel Crossmann, Sarah Ballinger, Rachel Smith, Marie Thomas, Will Rook, Mohamed Mooradun, Qasim Khan, Arif Qureshi, Llewellyn Fenton-May, Adam Boulton, Daniel Whitney, Shilpa Sannakki, Manekar Avinash, Nikiesha Lee, Neha Sharma, Srinivas Magham, Gareth Moncaster, Rebecca Boulton, Terri-Ann Sewell, Wayne Lovegrove, John Tansley, Nick Watson, Sarah Shelton, Cheryl Heeley, Philip Buckley, Katie Slack, Rebecca Holmes, Andrea Palfreman, Christopher Smith, Mandy Gill, Sue Smith, Tracy Brear, Jill Kirk, Megan Holmes, Camelia Goodwin, Margaret Flynn, Inez Wynter, Kaytie Bennett, Stephen Harris, Corrine Pawley, Patricia Doble, Moira Tait, Richard Gibbs, Tom Edwards, Paul Mackey, Miss Louise Hunt, Jo Hutter, Ed Smyth, Hamish Noble, Thomas Judd, Rose Arkell, Owen Thomas, Karen Watura, Marius Vaida, Suehana Rahman, Saaidullah Sufi, Helder Filipe, Christine Eastgate, Margaret McNeil, Stephen Howey, Glykeria Pakou, Sara Mingo, Amitaa Maharajh, Irina Grecu, Samantha Hammond, Susan Hanson, Julia Ottaway, Victoria Burgess, James Fry, Geoff Watson, Francois Wessels, Hugh Cutler, Arthur Goldsmith, Mark Howes, Subash Sivasubramaniam, Julie Colley, Jenny Porter, K. P. Krishnan, Kerrie Aldridge, Sylvia Willetts, Carol Zullo, Christopher Thompson, Pradeep Shanmugasundaram, Judith Abrams, Katarina Manso, Jamil Razzaque, Sally Scott, Geraldine Hambrook, Elizabeth McKerrow, Tahir Ali, Alastair Ankers, Mohan Ranganathan, Sunil Bellam, Sophie Mason, Paul Marriott, Richard Robley, Bridget Campbell, Penny Parsons, Sean Ramcharan, Susanne Mohamed Anver, Valerie Page, Elaine Walker, Xiaobei Zhao, Laura Osborne, Beena Parker, Rupinder Kaur, Gitana Kulakauskaite-Rasteniene, Mehul Patel, Alastair Lowe, Emma Edmunds, Kieran Hills, Michail Klimovskij, Christopher Ranns, Radha Ganesh, David Jones, Jamie Gibson, Janet Sinclair, Karen Burton, Toni De Freitas, Leon Dryden, Amelia Robinson, Nnamdi Udezue, Tim Faccini, Moon-Moon Majumdar, Kelly Death, Hide Baba, Jaydraman Narendran, Bret Claxton, Andrew Brennan, Louise Akeroyd, Sarah Cooper, Catherine Farrow, Carl Ilyas, James Morgan, Craig Montgomery, Brian Wilkinson, John Dereix, Karen Eaves-Lai, Kate Pye, David Craske, Paul Panesar, Peter Hart, Mark Stubbington, Kim Storton, Kelvin Stewart, Laura Graham, Shereen Bano, Robert Neal, Declan Ryan-Wakeling, Varun Chauhan, Michael Shaw, Maame Aduse-Poku, Soo Jin Kang, Gill Arbane, Kariem El-Boghdadly, Paul Kelly, Jaimin Patel, Marcin Sicinski, Martin John, Mark Ibrahim, Emad Aziz, Sohini Sengupta, Melissa Baldwin, Toby Dixson, Leslie D’souza, Charlotte Taylor, Suneil Rameseur, Heena Bidd, Guy Glover, Andrew Morley, Asta Lukosiute, Anna Janowicz, Tamara Alexander, Joe Lipton, Rathai Anandanadan, Dale Seddon, Alexander Phillips, Louise Davies, Sanjoy Bhattacharyya, Soo Yoon, Sian Fraser, Alex Stilwell, Karin Shoeman, Justin Hews, Sivanth Sivakumar, Floju Chin, Declan Dudley, Gary Colville, Abegail Sawana, Jakob Dudziak, Britta O’Carroll-Kuehn, Chandran Jeganathan, Nicole Richards, Andrew Swain, Charlotte Quamina, Indu Sivanandan, Simon Whiteley, Elizabeth Wilby, Charlotte Quamina, Charlotte Trumper, Kate Varley, Sharmeen Lotia, Eugene Henry, Claire Schofield, Ntima Ntima, Omar Jundi, Amelia Schorah, Luke McMenamin, Robert Jackson, John Jones, Suzie Colquhoun, Joana Faria, Nora Youngs, Aneesha Qadeer, Judith Sharp, Rosie Wragg, Michelle Naylor, Beverley Jackson, Catherine Moriarty, Louise White, Laura Wade, Brian White, Samuel Craven, Coralie Carle, Alan Pope, Mark Chen, Nicola Butterworth-Cowin, Rajneesh Sachdeva, Karen Ellis, Colin Bergin, Emma Reeves, Amy Bamford, Maximina Ventura, Tony Whitehouse, Ronald Carrera, Elaine Spruce, Liesl Despy, Samantha Harkett, Morgan Foster, Antonios Athanasiou, Kamran Malik, Stephanie Porter, Randeep Mullhi, Craig Sadler, James Gasbey, Christopher McGhee, Jignesh Patel, Tracy Mason, Hazel Smith, Alexandra Efimov, Aoife Neal, Stephanie Goundry, Davina Ross-Anderson, Kath MacGloin, James Pennington, Tim Martin, Edyta Niebrzegowska, Mevan Gooneratne, Chhaya Sharma, Neil MacDonald, Jan Whalley, Priyanthi Dias, Gareth Ackland, Peter Shirley, Tim Stephens, Parjam Zolfaghari, Steven Dunkley, Toby Reynolds, Henry Walton, Matthew Smith, Shreya Bali, Sara Hui, Ravi Bhatia, Hew Torrance, Maria Fernandez, Ruzena Uddin, Filipa Santos, Amaia Arrieta, Stephen Barrett, Richard Cashmore, Eleanor Richards, Fatima Seidu, Edward McIlroy, Thomas Urwin, John Samuel, Katherine Brooks, Natalie Gravell, Douglas Blackwood, Tanj Sanghera, Mareena Joseph, Aisha Jalaly, Hannah Nugent, Ben Goodman, Ashley Scott, Ian Clement, Leigh Dunn, Abigail Harrison, Carole Hays, Maite Babio-Galan, Sarah Todd, Lindsay Dawson, Stephanie Henderson, Kapil Arora, Subramani Diwaker, Sam Marcangelo, James Harvey, Mark Dalton, Jeremy Hyams, Tara Shrestha, Kimberley Zwiggelaar, Laura Heggie, Rhona Sinclair, Ben Brown, Sean Cope, Steven Traill, James Durrand, Julie Sheriff, Ashley Allan, Lindsey Woods, Erin Chuter, Rebecca Betts, Rossalyn Thistlethwaite, Elizabeth Turnbull, Monojit Paul, Pete Campbell, Vlad Bashlijski, Charlotte Foley, Amy Ginn, Adam Cookson, Sarah Cornell, Janaki Pearson, Kimberley Rogerson, Ben Eden-Green, Marthin Mostert, Maria Leong, Daniel James Kirkin, Rosie Reece-Anthony, Fatima Ali, Michaela Heller, George Mathew, Beenu Madhavan, Katherine Powell, Noelene Dasey, Waqas Khaliq, Babita Gurung, Cristina Alkhadra, Tarek Mostafa, James Winchester, Megan Thomas, Amit Soodan, Alfa Cresia Nilo, Matthew Bridge, Colette Jones-Criddle, Laura Wilding, Ian Turner-Bone, Ben Morton, Tim Gilbert, Nathan Littley, Natasha Clarke, Greg Moore, Tamryn Miller, Tom Rudnick, Tom Miller, Manab Haldar, Ashok Nair, Michael Jarvis, Precious Basvi, Gillian Bell, Michelle Edwards, Clare Mewies, Stelios Vakis, Emily Burton, Kiran Yelamati, Amit Das, Abhimanyu Bhattacharya, Daniel Massey, Ramkumar Kalaiyarasan, Amro Katary, Win Maung, Dave Robinson, Beth Frost, Samuel Besant, Sunita Gurung, Agah Isguzar, Mina Amirhom, Muhammad Javid, Ashok Raj, Gabrielle Adkins, Rahim Nadeem Ahmed, Josphine Cashman, Elizabeth Smee, Clare Ivermee, Charlotte Cobain, Ana Robles, Yin Choo, Reena Khade, Narayanan Suresh, Lynne Williams, Michele Clark, Pam Race, Anil Agarwal, Rakesh Bhandary, Valasubramaniam Mahadevan, Michael Courtney, James Walker, Susan Hayward, Luke Vamplew, Sally Pitts, Debbie Branney, Andrew Bates, Katie Molloy, Nina Barratt, Sarah Turle, Doug Tunney, Erica Jolly, Tallulah Webb, Katie Bowman, Jessica Kelly, Rebecca Miln, Juan Graterol, Fiona Hammonds, Jessica Summers, Belinda Wroath, Gabbie Young, Benita Adams, Nicki Devooght-Johnson, Eve Fletcher, Michele Wall, Kelly O’Toole, Allwyn Cota, Richard Hunt, Toby Nisbett, Sam Spinney, Tanuja Shah, Brett Doleman, Laura Carrick, Nagendra Prasad, Kathleen Holding, Lianne Hufton, William Speake, Philip Herod, James Nayyar, Daniel Stolady, Shuing Wei, David Daly, Corinne Paxton, Tauseef Ahmed, Anwar ul Huda, Christopher Goddard, Paul Ainsworth, Thomas James Murphy, Barry Jones, Anna Morris, Helen Terrett, John Kirby, Ann Holden, Mark Spiliopoulos, James Hammond, Iain Cummings, Helen Melsom, Louise Duncan, Sameer Somanath, Andrea Kay, Melanie Kent, Michelle Wood, Sarah Clark, Liam O’Hare, Lewis Schofield, Ami Laidlaw, Jordan Minns, James Roe, Stefanie Hobson, Suzanne Naylor, Vicki Atkinson, Phoebe Syme, Lisa Grimmer, Kate Driver, Libby Cole, Denise Webster, John Hickman, Carly Webb, Katie Sweet, Edward Mew, Sarah Warwicker, Susan Tetlow, Alex Middleton, Jonathan Rees, Chris Gough, Sam Howell, Chloe Searles, Shelley Barnes, Louise Seller, Jim Dunham, Alastair Brown, Zoe Garland, Adam Duffen, Thomas Renninson, Anna Chillingworth, Paul Watson, Alex Jones, Rebekah Johnson, Krisztina Kenesey, Thomas Cope, Samuel Fitzpatrick, Annie Amphlett, Christopher Sajoler, James Matthams, Natalie Constable, Jo Poole, Hannah Wilson, Liz Hood, Ruth Greer, James Self, Katherine Nickell, William Headdon, Charlotte Earnshaw, Katie Samuel, Richard Pugh, Jill Andrews, Sarah Evans, Zain Habib, Claudia Variu, Mohammed Zardab, Amy Ellison, Victoria Garvey, Richard Morgan, Shobna Ramakrishnan, Shrisha Shenoy, Michael Kriger, Hefin Llewellyn, Sophie Horrocks, Sam McBride, Rachel Mawley, Alexander Pereiradelima, Tim Cook, Emira Kursumovic, Sarah Hierons, Lucy Howie, Stuart Younie, Lidia Ramos, Tom Cloke, Sara-Catrin Cook, Ben Savage, Alex Dunn, Mark Sheils, Sarah Mitchard, Matthew Gibbins, Olivia Cheetham, Neil Choudhuri, Amelia Davies, Peter Steed, Abigail Harper, Dipayan Choudhuri, Ben Ballisat, Carrie Demetriou, Tim Cominos, Rebecca Powell, Gabrielle Evans, Johannes Retief, Thomas Clark, Jane Montgomery, Rachel Remnant, Ciska Uys, Gabrielle de Selincourt, Sally Ward-Booth, Simon George, Omar Islam, Adam Revill, Daniel Paul, David Portch, Pauline Mercer, Elaine Vandecandelaere, Lorraine Thornton, Victoria Field, Ken Almedilla, Natalie Smith, Jennifer Moran, Thomas Hunt, James Womersley, Raine Thornton, Anne McCarthy, Fleur Rogers, Julie Merizouris, Will Hare, Jonathan Carter, Katie Flower, Greg Warren, Ben Whatley, Virginia Francis, Julie Wollaston, Alex Redome, Louise Cossey, William Spencer, Mike McGovern, Vicky Lewis, Matthew Boyd, Christopher Newell, Sethina Watson, Beverley Faulkner, Emma Gendall, Kati Hayes, Ruth Worner, Elizabeth Goff, Tim Howes, David Cronin, Jacques Carver, Daragh Lehane, Kath Jenkins, Matthew Townsend, Helen Williams, Gemma Nickols, Jodie Garrett, Alexander Jones, Benjamin Savage, Swati Gupta, Mark Dorrance, Edward Lent, Kerry Smith, Dragos Dragnea, Rebecca Williams, Emma Jenkins, Richard Mason, Lydia Osborne, Matt Thomas, Agnieszka Kubisz-Pudelko, Mohamed Gheith, Joanna Allison, Alison Lewis, Kate Beesley, Lucy Pippard, Andrew Shrimpton, Tressy Pitt-Kerby, Jeremy Reid, Nigel Beer, Jess Perry, Matthew Garner, Harriet Noble, Sian Saha, Eleanor Corcoran, John Smith, Evita Pappa, Louise Greig, James Bland, Gudrun Kunst, Elena Stanton, Emma Clarey, Joe Macmillan, Tamsin Rope, John Shenouda, Thomas O’Dell, Hannah Matthews, Temi Adedoyin, Nicola Schunke, Rebecca Mersh, Rosie May, Ashraf Mohammed, Cara Lewis, Eoin Harty, Jonny R. Stephens, Abigail Richardson, Roger Sharpe, Chima Oti, Palitha Bopitiya, James Read, Kiran Chima, Maria Henriksson, Alexa Prichard, Fei Long, John Brandreth, Puvan Suppiah, Winnie Anunda, Kathryn Singh, Claire Ruck, Eleanor Roderick, Isabelle Kamenou, Najwa Soussi, Putul Sarkar, Stefan Wiebe, Yadullah Syed, Aishi Lim, Kerry Barnes, Kwabena Mensah, Aidan Fullbrook, Larry Mulleague, Matt Varier, Viplaw Shukla, Ravi Srinivasan, Najam Pervez, Natasha Schneider, Jasmin Shahnavaz, Duncan Bailey, Rosavic Chicano, Neringa Vilimiene, Shahzaib Ahmad, Neil Richardson, Youssef Mahmoud, Shanni McDonald, Natasha Schumacher, Svetlana Velinova-Teron, Rohit Silhi, Guy Chivers, Julie-Ann Davies, Tracey Cosier, Barry Featherstone, James Rand, Esther Cook, Diana Neely, John Coombes, Harpreet Sodhi, Thomas Burr, Mark Oliver, Michelle Walters, Kim Jemmett, Claudia Dulea, Lucy Cooper, Sam Mcferran, Maxime Rigaudy, Kim Jennett, Heather Weston, Reanne Solly, Emma Ignall, Cathy Praman, Vincent Hamlyn, Gayathri Chinnappa-Srinivas, Angie Organ, Tudor Vlad Moisin, Julia Parnell, Matthew Whitehead, Olivia Hayward, Rosie Malkin, Zoe Bennetton, Anne Devine, Tim Green, Joanna Hubert, Sam Andrews, Deborah Ward, Pauline Brown, Nick Vallotton, Jon Glass, Susan O’Connell, Alice Bevan, Tom Brougham, Lawrie Kidd, Sian Hughes, Jeannine Stone, Deborah Mann, Helen Murray, Fiona Davis, Mark Eveleigh, Jake Hartford-Beynon, Katherine Stratton, Kat Yan Yee Ng, Mandeep Phull, George Joseph, Kalyani Gorrela, Viraj Weerasekera, Nazneen Sudhan, Ayub Khan, Louis Chalmers, Ben Huntley, Sandra Chipperfield, Aparna George, Lace Paulyn Rosario, Tatiana Pogreban, Robert Buhain, Alia Hussain, Asya Veluso Costa, Eleanor Richards, Charles Gibson, Sandeep Kusre, Melanie Hutchings, Sinéad Kelly, Rebecca Pugsley, Hamza Malik, Alec Beaney, Tom Woodward, Zahra Essackjee, Kangni Chen, Bruce McCormick, Cath Matthews, Michelle Walter, Elizabeth Gordon, Sadie Heddon, Timothy Warrener, Peter Valentine, Joel Prescott, Samantha Keenan, Emily Johnson, Eleanor Higgs, Jessica Thrush, Laura Tulloch, Fiona Osborne, Victoria Poyntz, Pooja Takhar, Connie Rowlands, Michael Mcalindon, Victoria Lacey, Nicholas Cowley, Stephanie Chamberlain, Sally Rudge, Sian Bhardwaj, David Freeman, Brendan Spooner, Satinder Dalay, Nick Fitton, Rebecca Davies, Kay Fisher, Laura Naumann, Elma Wong, Simon Leach, Helen Moore, Rebecca Wilcox, Rhys Parry, Alison Magness, Mandy Carnahan, Matthew Travis, Colene Adams, Samuel Passey, Richard Colebrook, David Elcock, Priscilla Mhembere, Jayne Rankin, Yee Yin Cheng, Chris Clulow, Jo Stickley, Anne Carter, Alison Stephens, Elizabeth Buckingham, Laura Price, Ryan Jones, Andy Taylor, Maria Ochoa-Ferraro, Harriette Beard, Jeremy Corfe, Jocelyn Keshet-Price, Deidre Fottrell-Gould, Gill Foot, Lisa Hudig, Karen Convery, Martyn Oliver, Hannah Neil, Georgina Randell, Melanie Maxwell, Kavitha Kuntumalla, Pushpaj Gajendragadkar, James Wu, Danielle Huckle, Stephen Petley, Nadine Jones, Karen Rahilly, Gail Williams, Margaret Coakley, Laura Jones, Dominic Manetta-Jones, Sara Churchill, Laura Fulton, Suyogi Jigajinni, Emma Collins, Fillipa Santos, Noah John, Abhilash Das, Christopher Manville, Tom Abbott, Hester Carter, Lina Kanapeckaite, Gavin Stead, Jonathan Holmes, Amy Ireson, Edward Gill, Stephanie Kwok, Alastair Duncan, Hannah Greenlee, Ian Venables, Rose Jama, Iain Moppett, Cecilia Peters, Lucy Ryan, Louise Conner, Megan Meredith, Amy Clark, Abi Noah, Louise Potter, Will Lindsay, Jaina Parmar, Dan Harvey, David Evans, Marc Chikhani, Ben Lowe, Kevin O’Donoghue, Avninder Chana, Rachel Roke, Ioannis Tsagurnis, Harvey Dymond, David Sleep, Kristina Owens, Rachel Beer, Dawn Simmons, Donna Cotterill, Ime Eka, Sandra Beech, Pei Jean Ong, David Ritchie, Susan Wilkinson, Matthew Butler, David Crossley, Victoria Van Der Schyff, Irum Ghazanfar, Andrew Mawer, Ana Almeida, Lucy Duggal, Jonathan Lightfoot, Anna Simpson, Susan O’Connell, Tom Rennison, Robert Thompson, Susan Fowler, Sandra Pirie, Patricia Cochrane, David Nesvadba, Patrice Forget, Pauline Ganley, Jennifer Noble, Amanda Coutts, Sue Jackson, Tim Prescott, William Smith, Anne Harrison, Emily Omuwie, Rachel Johnson, Jennifer Evans, Rebecca Rudd, Isobel Loeffler, Catarina Veiga, Poh Choo Teoh, Samuel Chambers, Oleg Bumbac, Ross Holcombe-Law, Alexandria Page, Paul Jackson, Daniel George, Tess Wilkinson, Daniel Kirkin, Michaela Lloyd, Leanne Smith, Amie Reddy, William McCaig, Harriet Murrant, Ammara Masoud, Mia Davis, Debasis Pradhan, Joanne Rudkin, Matthew Byrne, Georgios Tsinaslaniois, Vasileios Bafitis, Christopher Black, Cassandra George, Marketa Keltos, Maria Letts, Victoria Allinson, Angela Foulds, Sophie Gittus, Lakshmi Aneesh, Ayman Nash, Prathiban Kumar, James Graham, Andrew Donnaly, Martin Grigg, Ariana Singh, Aastha Chawla, Calum McGrady, Nicola Walker, Christopher Brennan

Open Access Study protocol

General improvements versus interruptive or non-interruptive alerts in the blood order set: study protocol for a randomized control trial to improve packed red blood cell utilization

Neelam Mistry, Vanessa Richardson, Evan Carey, Samuel Porter, Sharon Pincus, Sylvie Novins-Montague, Megan Elmer, Chen-Tan Lin, P. Michael Ho, Tyler Anstett

Open Access Update

Statistical analysis plan for HOMESIDE: a randomised controlled trial for home-based family caregiver-delivered music and reading interventions for people living with dementia

Vanessa Pac Soo, Felicity A. Baker, Tanara Vieira Sousa, Helen Odell-Miller, Karette Stensæth, Thomas Wosch, Anna A. Bukowska, Jeanette Tamplin, Nicola Lautenschlager, Sabine Braat, Karen E. Lamb

Open Access Study protocol

Fukushima study for Engaging people with type 2 Diabetes in Behaviour Associated Change (FEEDBACK): study protocol for a cluster randomised controlled trial

Thomas Rouyard, Mei Endo, Ryota Nakamura, Michiko Moriyama, Maham Stanyon, Satoshi Kanke, Koki Nakamura, Cynthia Chen, Yasushi Hara, Masako Ii, Ryuki Kassai

Open Access Study protocol

Effectiveness of motor control exercise, aerobic walking, and muscle strengthening programs in improving outcomes in a subgroup of population with chronic low back pain positive for central sensitization: a study protocol for a randomized controlled trial

G. Shankar Ganesh, Abdur Raheem Khan, Sakti Prasad Das, Ashfaque Khan, Raee S. Alqhtani, Adel Alshahrani, Mohammad Abdulrehman Mohammad Jarrar, Hashim Ahmed

Open Access Study protocol

Intratracheal budesonide mixed with surfactant to increase survival free of bronchopulmonary dysplasia in extremely preterm infants: study protocol for the international, multicenter, randomized PLUSS trial

Brett J. Manley, C. Omar F. Kamlin, Susan Donath, Li Huang, Pita Birch, Jeanie L. Y. Cheong, Peter A. Dargaville, Jennifer A. Dawson, Lex W. Doyle, Susan E. Jacobs, Rodney Wilson, Peter G. Davis, Christopher J. D. McKinlay

Open Access Research

The impact of the COVID-19 pandemic on ICU clinical trials: a description of one research team’s experience

Linda L. Chlan, Mary Fran Tracy, Jessica Ask, Amos Lal, Jay Mandrekar

Open Access Study protocol

A health-system-embedded deprescribing intervention targeting patients and providers to prevent falls in older adults (STOP-FALLS trial): study protocol for a pragmatic cluster-randomized controlled trial

Benjamin H. Balderson, Shelly L. Gray, Monica M. Fujii, Kanichi G. Nakata, Brian D. Williamson, Andrea J. Cook, Robert Wellman, Mary Kay Theis, Cara C. Lewis, Dustin Key, Elizabeth A. Phelan

Open Access Study protocol

The effectiveness of a computer-aided system in improving the detection rate of gastric neoplasm and early gastric cancer: study protocol for a multi-centre, randomized controlled trial

Zehua Dong, Yijie Zhu, Hongliu Du, Junxiao Wang, Xiaoquan Zeng, Xiao Tao, Ting Yang, Jiamin Wang, Mei Deng, Jun Liu, Lianlian Wu, Honggang Yu

Open Access Study protocol

Effects of programmed flexor–extensor alternating electrical acupoint stimulation on upper limb motor functional reconstruction after stroke: study protocol for a double-blind, randomized controlled trial

Yang Liu, Xu Dong, Hong Huo, Liyuan Feng, Dan Tong, Jiahui Liu, Hongyan Zhang, Yingkang Zheng, Shuai Wang, Dongyan Wang

Open Access Study protocol

EnGraft: a multicentre, open-label, randomised, two-arm, superiority study protocol to assess bioavailability and practicability of Envarsus® versus Advagraf™ in liver transplant recipients

D. S. Wöhl, B. James, M. Götz, F. Brennfleck, I. Holub-Hayles, I. Mutzbauer, S. Baccar, S. M. Brunner, E. K. Geissler, H. J. Schlitt, Florian W. R. Vondran, Uta Herden, Jens Mittler, Ulf Peter Neumann, Silvio Nadalin, Andreas A. Schnitzbauer, Falk Rauchfuß, Felix Braun, Katharina Willuweit, Johann Pratschke, Thomas Berg, Thomas Vogel, Uta Merle, Roland Croner

Open Access Study protocol

Comparing adherence to MDR-TB treatment among patients on self-administered therapy and those on directly observed therapy: non-inferiority randomized controlled trial

Clara Wekesa, Christine Sekaggya-Wiltshire, Stella Zawedde Muyanja, Ivan Lume, Maria Sarah Nabaggala, Rosalind Parkes-Ratanshi, Susan Adakun Akello

Open Access Study protocol

Central venous stenosis after subclavian versus internal jugular dialysis catheter insertion (CITES) in adults in need of a temporary central dialysis catheter: study protocol for a two-arm, parallel-group, non-inferiority randomised controlled trial

Ola Borgquist, Leila Naddi, Gracijela Božović, Matthias Hellberg, Martin Annborn, Fredrik Sjövall, Maria Adrian, Eva Hettinger, Pia Sjöberg, Thomas Kander

Open Access Study protocol

Cardiovascular implications and physical activity in middle-aged and older adults with a history of COVID-19 (CV COVID): a protocol for a randomised controlled trial

Mushidur Rahman, Sophie L. Russell, Nduka C. Okwose, Olivia M. A. Hood, Amy E. Harwood, Gordon McGregor, Stuart M. Raleigh, Hardip Sandhu, Laura C. Roden, Helen Maddock, Prithwish Banerjee, Djordje G. Jakovljevic

Open Access Methodology

Implementation of a batched stepped wedge trial evaluating a quality improvement intervention for surgical teams to reduce anastomotic leak after right colectomy

Mary L. Venn, Charles H. Knowles, Elizabeth Li, James Glasbey, Dion G. Morton, Richard Hooper

Open Access Study protocol

Concept and study protocol of the process evaluation of a pragmatic randomized controlled trial to promote physical activity in outpatients with heterogeneous mental disorders—the ImPuls study

David Victor Fiedler, Stephanie Rosenstiel, Johanna-Marie Zeibig, Britta Seiffer, Jana Welkerling, Anna Katharina Frei, Thomas Studnitz, Julia Baur, Florian Helmhold, Andreas Ray, Eva Herzog, Keisuke Takano, Tristan Nakagawa, Saskia Kropp, Sebastian Franke, Stefan Peters, Anna Lena Flagmeier, Lena Zwanzleitner, Leonie Sundmacher, Ander Ramos-Murguialday, Martin Hautzinger, Thomas Ehring, Gorden Sudeck, Sebastian Wolf

Open Access Study protocol

Virtual family-centered hospital rounds in the neonatal intensive care unit: protocol for a cluster randomized controlled trial

Jennifer L. Rosenthal, Daniel J. Tancredi, James P. Marcin, Audriana Ketchersid, Elva T. Horath, Erika N. Zerda, Trevor R. Bushong, Daniel S. Merriott, Patrick S. Romano, Heather M. Young, Kristin R. Hoffman

Open Access Study protocol

Comparison of postoperative analgesic effects of erector spinae plane block and quadratus lumborum block in laparoscopic liver resection: study protocol for a randomized controlled trial

Yu Jeong Bang, Ji-Hye Kwon, RyungA Kang, Gaab Soo Kim, Ji Seon Jeong, Myungsuk Kim, Gyu-Seong Choi, Jong Man Kim, Justin Sangwook Ko

Open Access Study protocol

The Child Healthcare at MATER Pediatric Study (CHAMPS): a 2-arm cluster randomized control trial of group well child care for mothers in treatment for opioid use disorder and their children

Vanessa L. Short, Diane J. Abatemarco, Erica Sood, Dennis J. Hand, Meghan Gannon, Jobayer Hossain, Neera K. Goyal

Open Access Study protocol

Remote blood pressure monitoring in high risk pregnancy — study protocol for a randomised controlled trial (REMOTE CONTROL trial)

Theepika Rajkumar, Jill Freyne, Marlien Varnfield, Kenny Lawson, Kaley Butten, Renuka Shanmugalingam, Annemarie Hennessy, Angela Makris

Open Access Correction

Correction: An international, stepped wedge, cluster-randomized trial investigating the 0/1-h algorithm in suspected acute coronary syndrome in Asia: the rational of the DROP-Asian ACS study

Kenji Inoue, Jack Tan Wei Chieh, Lim Chiw Yeh, Shuo-Ju Chiang, Arintaya Phrommintikul, Pannipa Suwanasom, Sazzli Kasim, Bakhtiar Ahmad, Alzamani Mohammad Idrose, Farina Mohd Salleh, Shunsuke Oyamada, Yohei Hirano, Shohei Ouchi, Moriyuki Terakura, Naoyuki Yokoyama, Ken Kozuma, Mamoru Nanasato, Ryosuke Higuchi, Kazuhiko Yumoto, Tomoyuki Fukuzawa, Issei Shimada, Evangelos Giannitsis, Raphael Twerenbold, Tohru Minamino

Open Access Study protocol

The effectiveness of the serious game “Broodles” for siblings of children with intellectual disabilities and/or visual impairment: study protocol for a randomized controlled trial

Linda K. M. Veerman, Agnes M. Willemen, Suzanne D. M. Derks, Anjet A. J. Brouwer-van Dijken, Paula S. Sterkenburg

Open Access Study protocol

PRECYCLE: multicenter, randomized phase IV intergroup trial to evaluate the impact of eHealth-based patient-reported outcome (PRO) assessment on quality of life in patients with hormone receptor positive, HER2 negative locally advanced or metastatic breast cancer treated with palbociclib and an aromatase inhibitor or palbociclib and fulvestrant

Tom Degenhardt, Peter A. Fasching, Diana Lüftner, Volkmar Müller, Christoph Thomssen, Christian Schem, Isabell Witzel, Thomas Decker, Hans Tesch, Sherko Kümmel, Christoph Uleer, Rachel Wuerstlein, Oliver Hoffmann, Mathias Warm, Norbert Marschner, Timo Schinköthe, Ronald E. Kates, Johannes Schumacher, Burkhard Otremba, Matthias Zaiss, Nadia Harbeck, Marcus Schmidt

Open Access Study protocol

The effects of an e-health brisk walking intervention in increasing moderate-to-vigorous physical activity in physically inactive older people with cognitive frailty: study protocol for a randomized controlled trial

Rick Yiu Cho Kwan, Justina Yat Wa Liu, Paul Hong Lee, Olive Suk Kan Sin, Julia Sze Wing Wong, Mei Rosemary Fu, Lorna Kwai Ping Suen

Open Access Study protocol

Oral nicotinamide mononucleotide (NMN) to treat chronic insomnia: protocol for the multicenter, randomized, double-blinded, placebo-controlled trial

Xiangyang Gao, Junhua Li, Sanping Xu, Xueying Li, Xicheng Wang, Yongli Li, Yan Huang, Shaohui Liu, Qiang Zeng

Open Access Study protocol

Quick Epidural Top-up with Alkalinized Lidocaine for emergent caesarean delivery (QETAL study): protocol for a randomized, controlled, bicentric trial

Thomas Lechat, Thomas d’Aprigny, Jérémy Henriot, Jill Arthur, Dienabou Sylla, Antoine Bénard, Karine Nouette-Gaulain

Open Access Study protocol

The PRESIDE (PhaRmacogEnomicS In DEpression) Trial: a double-blind randomised controlled trial of pharmacogenomic-informed prescribing of antidepressants on depression outcomes in patients with major depressive disorder in primary care

Sibel Saya, Patty Chondros, Anastasia Abela, Cathrine Mihalopolous, Mary Lou Chatterton, Jane Gunn, Timothy F. Chen, Thomas M. Polasek, Elise Dettmann, Rachel Brooks, Michelle King, Luke Spencer, Pavithran Alphonse, Shakira Milton, Georgia Ramsay, Zoe Siviour, Jamie Liew, Philip Ly, Matthew Thoenig, Raushaan Seychell, Floriana La Rocca, Luke B. Hesson, Nydia Mejias, Terri Sivertsen, Melanie Anne Galea, Chad Bousman, Jon Emery

Open Access Study protocol

Optimization of smartphone psychotherapy for depression and anxiety among patients with cancer using the multiphase optimization strategy (MOST) framework and decentralized clinical trial system (SMartphone Intervention to LEssen depression/Anxiety and GAIN resilience: SMILE AGAIN project): a protocol for a randomized controlled trial

Megumi Uchida, Toshiaki A Furukawa, Takuhiro Yamaguchi, Fuminobu Imai, Kanae Momino, Fujika Katsuki, Naomi Sakurai, Tempei Miyaji, Masaru Horikoshi, Hiroji Iwata, Sadamoto Zenda, Tsuguo Iwatani, Asao Ogawa, Akira Inoue, Masakazu Abe, Tatsuya Toyama, Yosuke Uchitomi, Hiromichi Matsuoka, Hisashi Noma, Tatsuo Akechi

Open Access Methodology

How to reach agreement: the impact of different analytical approaches to Delphi process results in core outcomes set development

James Webbe, Benjamin Allin, Marian Knight, Neena Modi, Chris Gale

Open Access Study protocol

A randomized controlled trial evaluating the effects of motivational interviewing in new hearing aid users (MI-HAT): study protocol for a randomized controlled trial

Alice Q. Liu, Printha Wijesinghe, Melissa Lee, Carol Lau, Jane Sun, Desmond A Nunez

Open Access Correction

Correction: Favipiravir and/or nitazoxanide: a randomized, double-blind, placebo-controlled trial of early therapy in COVID-19 in health workers, their household members, and patients treated at IMSS (FANTAZE)

Tania A. Smith, Carlos Hoyo-Vadillo, Akosua Agyeman Adom, Liliana Favari-Perozzi, Silke Gastine, Hakim-Moulay Dehbi, Beatriz Villegas-Lara, Eduardo Mateos, Yessica Sara Pérez González, Maria D. Navarro-Gualito, Alejandra S. Cruz-Carbajal, Miguel A. Cortes-Vazquez, Carolina Bekker-Méndez, Charmina Aguirre-Alvarado, Gisela Aguirre-Gil, Lucero Delgado-Pastelin, Andrew Owen, David Lowe, Joseph Standing, Jorge Escobedo

Open Access Study protocol

Mechanical hyperinflation maneuver and intracranial compliance of critical neurological patients: protocol for a randomized controlled equivalence trial

Daniela de Almeida Souza, Marina Wolff Branco, Hipólito Carraro Junior, Ana Márcia Delattre Zocolotti, Sibele Yoko Mattozo Takeda, Silvia Valderramas

Open Access Study protocol

Low-Intensity mental health Support via a Telehealth Enabled Network for adults with diabetes (LISTEN): protocol for a hybrid type 1 effectiveness implementation trial

Edith E. Holloway, Shikha Gray, Cathrine Mihalopoulos, Vincent L. Versace, Roslyn Le Gautier, Mary Lou Chatterton, Virginia Hagger, Jennifer Halliday, Kim Henshaw, Benjamin Harrap, Sarah Manallack, Taryn Black, Natasha Van Bruggen, Carolyn Hines, Adrienne O’Neil, Timothy C. Skinner, Jane Speight, Christel Hendrieckx

Open Access Study protocol

WONDER-01: immediate necrosectomy vs. drainage-oriented step-up approach after endoscopic ultrasound-guided drainage of walled-off necrosis—study protocol for a multicentre randomised controlled trial

Tatsuya Sato, Tomotaka Saito, Mamoru Takenaka, Takuji Iwashita, Hideyuki Shiomi, Toshio Fujisawa, Nobuhiko Hayashi, Keisuke Iwata, Akinori Maruta, Tsuyoshi Mukai, Atsuhiro Masuda, Saburo Matsubara, Tsuyoshi Hamada, Tadahisa Inoue, Hiroshi Ohyama, Masaki Kuwatani, Hideki Kamada, Shinichi Hashimoto, Toshiyasu Shiratori, Reiko Yamada, Hirofumi Kogure, Takeshi Ogura, Kazunari Nakahara, Shinpei Doi, Kenji Chinen, Hiroyuki Isayama, Ichiro Yasuda, Yousuke Nakai

Open Access Study protocol

Comparison of landiolol and amiodarone for the treatment of new-onset atrial fibrillation after cardiac surgery (FAAC) trial: study protocol for a randomized controlled trial

Edouard Caspersen, Pierre-Grégoire Guinot, Bertrand Rozec, Jean-Ferréol Oilleau, Jean-Luc Fellahi, Philippe Gaudard, Emmanuel Lorne, Yazine Mahjoub, Emmanuel Besnier, Mouhamed Djahoum Moussa, Nicolas Mongardon, Jean-Luc Hanouz, Anaïs R. Briant, Laure Peyro Saint Paul, Clémence Tomadesso, Jean-Jacques Parienti, Richard Descamps, Alina Denisenko, Marc-Olivier Fischer

Open Access Study protocol

Evaluation of the protective efficacy of Olyset®Plus ceiling net on reducing malaria prevalence in children in Lake Victoria Basin, Kenya: study protocol for a cluster-randomized controlled trial

Wataru Kagaya, Chim W. Chan, James Kongere, Bernard N. Kanoi, Mtakai Ngara, Protus Omondi, Ashley Osborne, Laura Barbieri, Achyut Kc, Noboru Minakawa, Jesse Gitaka, Akira Kaneko

Open Access Study protocol

Study protocol for a randomised controlled trial to determine the effectiveness of a mHealth application as a family supportive tool in paediatric otolaryngology perioperative process (TONAPP)

Raffaella Dobrina, Andrea Cassone, Margherita Dal Cin, Luca Ronfani, Manuela Giangreco, Silvana Schreiber, Sara Zanchiello, Anja Starec, Laura Brunelli, Liza Vecchi Brumatti, Livia Bicego

Open Access Study protocol

HELP — Heidelberg decision aid for lung cancer patients: a randomized controlled clinical trial

Nicole Deis, Laura Unsöld, Anja Siegle, Johannes Krisam, Michael Thomas, Matthias Villalobos

Open Access Study protocol

A randomised controlled trial of compression therapies for the treatment of venous leg ulcers (VenUS 6): study protocol for a pragmatic, multicentre, parallel-group, three-arm randomised controlled trial

C. E. Arundel, C. Welch, P. Saramago, U. Adderley, R. Atkinson, I. Chetter, N. Cullum, T. Davill, J. Griffiths, C. Hewitt, C. Hirst, M. Kletter, J. Mullings, G. Roberts, B. Smart, M. Soares, P. Stather, L. Strachan, N. Stubbs, D. J. Torgerson, J. Watson, S. Zahra, J. Dumville

Open Access Study protocol

Hyperhydration to Improve Kidney Outcomes in Children with Shiga Toxin-Producing E. coli Infection: a multinational embedded cluster crossover randomized trial (the HIKO STEC trial)

Stephen B. Freedman, David Schnadower, Myka Estes, T. Charles Casper, Stuart L. Goldstein, Silviu Grisaru, Andrew T. Pavia, Benjamin S. Wilfond, Melissa Metheney, Kadyn Kimball, Phillip I. Tarr

Open Access Study protocol

Evaluating the effectiveness of lateral postural management for breech presentation: study protocol for a randomized controlled trial (BRLT study)

Hiroki Shinmura, Takashi Matsushima, Asako Watanabe, Honglian Shi, Asako Nagashima, Ayako Takizawa, Mayu Yamada, Eika Harigane, Youhei Tsunoda, Ryuhei Kurashina, Go Ichikawa, Shunji Suzuki

Open Access Study protocol

N-acetyl-L-leucine for Niemann-Pick type C: a multinational double-blind randomized placebo-controlled crossover study

T Fields, T M. Bremova, I Billington, GC Churchill, W Evans, C Fields, A Galione, R Kay, T Mathieson, K Martakis, M Patterson, F Platt, M Factor, M Strupp

Open Access Study protocol

The impact of Hafnia alvei HA4597™ on weight loss and glycaemic control after bariatric surgery — study protocol for a triple-blinded, blocked randomized, 12-month, parallel-group, placebo-controlled clinical trial

Shámila Ismael, Carlos Vaz, Catarina Durão, Marta P. Silvestre, Conceição Calhau, Diana Teixeira, Cláudia Marques

Open Access Study protocol

Conventional partial pancreatoduodenectomy versus an extended pancreatoduodenectomy (triangle operation) for pancreatic head cancers—study protocol for the randomised controlled TRIANGLE trial

Patrick Heger, Thilo Hackert, Markus K. Diener, Manuel Feißt, Christina Klose, Colette Dörr-Harim, Friedhelm Möhlenbrock, Markus W. Büchler, André L. Mihaljevic

Open Access Update

Biomarker-guided duration of antibiotic treatment in children hospitalised with confirmed or suspected bacterial infection: statistical analysis plan for the BATCH trial and PRECISE sub-study

Simon M. Schoenbuchner, Chao Huang, Cherry-Ann Waldron, Emma Thomas-Jones, Kerenza Hood, Enitan D. Carrol, Philip Pallmann

Open Access Study protocol

Study protocol for The GOAL Trial: comprehensive geriatric assessment for frail older people with chronic kidney disease to increase attainment of patient-identified goals—a cluster randomised controlled trial

B Logan, AK Viecelli, DW Johnson, EM Aquino, J Bailey, TA Comans, LC Gray, CM Hawley, LE Hickey, M Janda, A Jaure, MD Jose, E Kalaw, C Kiriwandeniya, M Matsuyama, G Mihala, KH Nguyen, E Pascoe, JD Pole, KR Polkinghorne, D Pond, R Raj, DM Reidlinger, N Scholes-Robertson, J Varghese, G Wong, RE Hubbard, Graham Buckle, Phil Carswell, Joanne Cerni, Michael G. Collins, Amanda Elms, John Fanning, Karen Fischer, Adam Flavell, Emily H. Gordon, Natalie Grainer, Stella Green, Chandana Guha, Samantha Hand, Moira Hibbs, Bronwyn Hockley, Rachael Irvine, Ibrahim Ismail, Shilpanjali Jesudason, George Kan, Debbie Kennedy, Vinod Khelgi, Shannon Kokoszka, Anoushka Krishnan, Janelle Leadbitter, Diana Leary, Angela Makris, Khalilah Katherine Marquez, David McIntyre, Penelope Murie, Karina Murphy, Nancye Peel, Xiaodan Qiu, Madeleine Rapisardi, Matthew A. Roberts, Simon D. Roger, Mona Saade, Shaundeep Sen, Gerald Tataro, Brioney Weaver, Paul A. Yates, Belinda Yip

Open Access Study protocol

Development of an international core outcome set for treatment trials in necrotizing enterocolitis—a study protocol

Daphne H. Klerk, Otis C. van Varsseveld, Martin Offringa, Neena Modi, Martin Lacher, Augusto Zani, Mikko P. Pakarinen, Antti Koivusalo, Ingo Jester, Marie Spruce, Joep P. M. Derikx, Roel Bakx, Amine Ksia, Marijn J. Vermeulen, Elisabeth M. W. Kooi, Jan B. F. Hulscher

Open Access Update

Transnasal Humidified Rapid Insufflation Ventilatory Exchange in children requiring emergent intubation (Kids THRIVE): a statistical analysis plan for a randomised controlled trial

Shane George, Kristen Gibbons, Tara Williams, Susan Humphreys, Ben Gelbart, Renate Le Marsney, Simon Craig, David Tingay, Arjun Chavan, Andreas Schibler, Joanna Cronin, Kylie Pearson, Katie Rasmussen, Jason Acworth, Leah Hickey, Carmel Delzoppo, Elizabeth Perkins, Felix Oberender, Jessica Waghorn, Courtney McCahill, Nitesh Singhal, Gail Harper, Subodh Ganu, Georiga Letton, Simon Erikson, Hannah Thomson, Luregn J. Schlapbach, Juerg Burren, Elisa Zimmerman, Anusha Ganeshalingham, Stuart Dalziel, Clarie Sherring

Open Access Review

Reporting of PPI and the MCID in phase III/IV randomised controlled trials—a systematic review

Joseph Brennan, Michael T. C. Poon, Edward Christopher, Olivia Fulton, Carol Porteous, Paul M. Brennan

Open Access Publisher Correction

Publisher Correction: Effectiveness of motor control exercise, aerobic walking, and muscle strengthening programs in improving outcomes in a subgroup of population with chronic low back pain positive for central sensitization: a study protocol for a randomized controlled trial

G. Shankar Ganesh, Abdur Raheem Khan, Sakti Prasad Das, Ashfaque Khan, Raee S. Alqhtani, Adel Alshahrani, Mohammad Abdulrehman Mohammad Jarrar, Hashim Ahmed

Open Access Study protocol

Treatment of haemorrhoids: rubber band ligation or sclerotherapy (THROS)? Study protocol for a multicentre, non-inferiority, randomised controlled trial

J. Y. van Oostendorp, T. C. Sluckin, I. J. M. Han-Geurts, S. van Dieren, R. Schouten

Open Access Study protocol

Effect of pelvic floor muscle training on reports of urinary incontinence in obese women undergoing a low-calorie diet before bariatric surgery — protocol of a randomized controlled trial

Pauliana C. S. Mendes, Tatiana B. Fretta, Milena F. C. Camargo, Patricia Driusso, Cristine Homsi Jorge

Open Access Study protocol

Minocycline for sporadic and hereditary cerebral amyloid angiopathy (BATMAN): study protocol for a placebo-controlled randomized double-blind trial

S. Voigt, E. A. Koemans, I. Rasing, E. S. van Etten, G. M. Terwindt, F. Baas, K. Kaushik, A. C. G. M. van Es, M. A. van Buchem, M. J. P. van Osch, M. A. A. van Walderveen, C. J. M. Klijn, M. M. Verbeek, L. van der Weerd, M. J. H. Wermer

Open Access Study protocol

End-ischemic hypothermic oxygenated perfusion for extended criteria donors in liver transplantation: a multicenter, randomized controlled trial—HOPExt

Pierre Pradat, Solene Pantel, Marianne Maynard, Laure Lalande, Sylvie Thevenon, Rene Adam, Marc-Antoine Allard, Fabien Robin, Michel Rayar, Emmanuel Boleslawski, Olivier Scatton, Mircea Chirica, François Faitot, Philippe Bachellier, Olivier Soubrane, Kayvan Mohkam, Jean-Yves Mabrut, Mickaël Lesurtel

Open Access Methodology

More efficient and inclusive time-to-event trials with covariate adjustment: a simulation study

Raphaëlle Momal, Honghao Li, Paul Trichelair, Michael G. B. Blum, Félix Balazard

Open Access Study protocol

Providing office workers with height-adjustable workstation to reduce and interrupt workplace sitting time: protocol for the Stand Up for Healthy Aging (SUFHA) cluster randomized controlled trial

Pedro B. Júdice, Hélio Silva, Sabrina C. Teno, Patrícia Monteiro, Marlene N. Silva, Eliana V. Carraça, Inês Santos, Sara Pereira, Filipe Luz, Patrícia C. Viegas, Jorge Oliveira, Isabel F. Santos, António L. Palmeira

Open Access Study protocol

A phase IIb, open-label, randomized controlled dose ranging multi-centre trial to evaluate the safety, tolerability, pharmacokinetics and exposure-response relationship of different doses of delpazolid in combination with bedaquiline delamanid moxifloxacin in adult subjects with newly diagnosed, uncomplicated, smear-positive, drug-sensitive pulmonary tuberculosis

A Dierig, M Hoelscher, S Schultz, L Hoffmann, A Jarchow-MacDonald, EM Svensson, L Te Brake, R Aarnoutse, M Boeree, TD McHugh, LM Wildner, X Gong, PPJ Phillips, LT Minja, N Ntinginya, S Mpagama, A Liyoyo, RS Wallis, M Sebe, FA Mhimbira, B Mbeya, M Rassool, L Geiter, YL Cho, N Heinrich

Open Access Study protocol

Improvement of synaptic plasticity and cognitive function in RASopathies—a monocentre, randomized, double-blind, parallel-group, placebo-controlled, cross-over clinical trial (SynCoRAS)

Nikolai H. Jung, Silvia Egert-Schwender, Beate Schossow, Victoria Kehl, Ute Wahlländer, Louisa Brich, Viktoria Janke, Christiane Blankenstein, Martin Zenker, Volker Mall

Open Access Research

Global posture reeducation compared with segmental muscle stretching exercises in the treatment of fibromyalgia: a randomized controlled trial

Luciana Akemi Matsutani, Adriana de Sousa do Espírito Santo, Marina Ciscato, Susan Lee King Yuan, Amelia Pasqual Marques

Open Access Methodology

Whose knowledge counts? Involving communities in intervention and trial design using community conversations

Rochelle A. Burgess, Funmilayo Shittu, Agnese Iuliano, Ibrahim Haruna, Paula Valentine, Ayobami Adebayo Bakare, Tim Colbourn, Hamish R. Graham, Eric D. McCollum, Adegoke G. Falade, Carina King, Tahlil Ahmed, Samy Ahmar, Christine Cassar, Adamu Isah, Adams Osebi, Abdullahi Magama, Ibrahim Seriki, Temitayo Folorunso Olowookere, Matt McCalla, Obioma Uchendu, Julius Salako, Damola Bakare, Omotayo Olojede

Open Access Study protocol

Protocol of a prospective multicenter randomized controlled trial of robot-assisted stereotactic lesioning in the treatment of focal drug-resistant epilepsy

Mingkun Gong, Ke Xu, Yongzhi Shan, Yihe Wang, Chao Zhang, Xiongfei Wang, Jian Zhou, Yuguang Guan, Tianfu Li, Guoming Luan

Open Access Study protocol

Safety and efficacy in pediatric secondary intraocular lens implantation, in-the-bag versus sulcus implantation: a multicenter, single-blinded randomized controlled trial

Yingshi Zou, Ling Jin, Bo Qu, Hui Chen, Mingbing Zeng, Xia Li, Xinhua Liu, Lixia Luo, Zhenzhen Liu, Yizhi Liu

Open Access Study protocol

Efficacy of low-intensity pulsed ultrasound for the treatment of viral pneumonia: study protocol for a randomized controlled trial

Xiao Li, Wen Li, Lianjie Sun, Junyi Ren, Ying Xu, Yuanyi Zheng, Wenkun Bai

Open Access Commentary

Further considerations for placebo controls in surgical trials

Marion K. Campbell, David J. Beard, Jane M. Blazeby, Sian Cousins, Ahmed Ahmed, Rasha Al-Lamee, David B. Anderson, Natalie Blencowe, Jonathan Cook, Brian H. Cuthbertson, Manuela Ferreira, Matt Gardiner, Katie Gillies, José Miola, John Norrie, Tom Pinkney, Jonathan Pugh, Maroeska Rovers, Deborah Stocken, Matt Westmore

Open Access Study protocol

Clinical effectiveness of pulsed electromagnetic field therapy as an adjunct treatment to eccentric exercise for Achilles tendinopathy: a randomised controlled trial

Violet Man-Chi Ko, Xin He, Sai-Chuen Fu, Patrick Shu-Hang Yung, Samuel Ka-Kin Ling

Open Access Study protocol

Differential target multiplexed spinal cord stimulation using a paddle-type lead placed at the appropriate site for neuropathic pain after spinal cord injury in patients with past spinal surgical histories: study protocol for an exploratory clinical trial

Takafumi Tanei, Satoshi Maesawa, Yusuke Nishimura, Yoshitaka Nagashima, Tomotaka Ishizaki, Masahiko Ando, Yachiyo Kuwatsuka, Atsushi Hashizume, Shimon Kurasawa, Ryuta Saito

Open Access Study protocol

Effect of aerobic exercise training on the fat fraction of the liver in persons with chronic hepatitis B and hepatic steatosis: Trial protocol for a randomized controlled intervention trial— The FitLiver study

Sofie Jespersen, Peter Plomgaard, Sten Madsbad, Adam Espe Hansen, Thomas Bandholm, Bente Klarlund Pedersen, Christian Ritz, Nina Weis, Rikke Krogh-Madsen

Open Access Correction

Correction: Internet-based stress recovery intervention for adolescents: study protocol for a randomized controlled trial

Paulina Zelviene, Agniete Kairyte, Austeja Dumarkaite, Augustė Nomeikaite, Evaldas Kazlauskas

Open Access Research

Patient communication and experiences in cancer clinical drug trials: a mixed-method study at a specialist clinical trials unit

Rowan Forbes Shepherd, Ashleigh Bradford, Marian Lieschke, Kylie Shackleton, Amelia Hyatt

Open Access Study protocol

The effect of combined β-lactoglobulin supplementation and resistance exercise training prior to limb immobilisation on muscle protein synthesis rates in healthy young adults: study protocol for a randomised controlled trial

Alix Hughes, Thomas Francis, Lindsey Marjoram, Jessica H. Rooney, Georgina Ellison-Hughes, Ross Pollock, Michael J. Curtis, Angela Cape, Mads Larsen, Bethan E. Phillips, Philip J. Atherton, Kenneth Smith, Oliver C. Witard

Open Access Study protocol

Troponin in acute chest pain to risk stratify and guide effective use of computed tomography coronary angiography (TARGET-CTCA): a randomised controlled trial

Kuan Ken Lee, David Lowe, Rachel O’Brien, Ryan Wereski, Anda Bularga, Caelan Taggart, Matthew T. H. Lowry, Amy V. Ferry, Michelle C. Williams, Giles Roditi, John Byrne, Chris Tuck, Denise Cranley, Praveen Thokala, Steve Goodacre, Catriona Keerie, John Norrie, David E. Newby, Alasdair J. Gray, Nicholas L. Mills

Open Access Review

Participant retention in paediatric randomised controlled trials published in six major journals 2015–2019: systematic review and meta-analysis

Daisy M. Gaunt, Cat Papastavrou Brooks, Hugo Pedder, Esther Crawley, Jeremy Horwood, Chris Metcalfe

Open Access Study protocol

Continuous monitoring of patients in and after the acute admission ward to improve clinical pathways: study protocol for a randomized controlled trial (Optimal-AAW)

Sjoerd H. Garssen, Niels Kant, Carlijn A. Vernooij, Gert-Jan Mauritz, Mark V. Koning, Frank H. Bosch, Carine J. M. Doggen

Open Access Study protocol

GO-Tibia: a masked, randomized control trial evaluating gentamicin versus saline in open tibia fractures

Billy T. Haonga, Jamieson M. O’Marr, Patrick Ngunyale, Joshua Ngahyoma, Justin Kessey, Ibrahim Sasillo, Patricia Rodarte, Tigist Belaye, Eleni Berhaneselase, Edmund Eliezer, Travis C. Porco, Saam Morshed, David W. Shearer

Open Access Review

On the use of non-concurrent controls in platform trials: a scoping review

Marta Bofill Roig, Cora Burgwinkel, Ursula Garczarek, Franz Koenig, Martin Posch, Quynh Nguyen, Katharina Hees

Open Access Study protocol

Cervical collar use following anterior cervical hybrid surgery: protocol for a prospective randomized, time-controlled trial

Junbo He, Qingyu Liu, Zijiao Yang, Hao Liu, Tingkui Wu, Chen Ding, Kangkang Huang, Beiyu Wang

Open Access Study protocol

Intermittent theta-burst stimulation combined with physical therapy as an optimal rehabilitation in Parkinson’s disease: study protocol for a randomised, double-blind, controlled trial

Zhao-hui Jin, Yi-xuan Wang, De-tao Meng, Yi Qin, Yi-nan Duan, Jin-ping Fang, Rui-dan Wang, Yan-jun Liu, Cui Liu, Ping Wang, Hong-jiao Yan, Yi Zhen, Xia An, Ke-ke Chen, Xin Yu, Diyang Lyu, Xiao-Yan Yan, Bo-yan Fang

Open Access Study protocol

PYloroplasty versus No Intervention in GAstric REmnant REconstruction after Oesophagectomy: study protocol for the PYNI-GAREREO phase III randomized controlled trial

Naoya Okada, Yoshihiro Kinoshita, Shoji Nishihara, Takuma Kurotaki, Aya Sato, Kotaro Kimura, Hiroki Kushiya, Kazufumi Umemoto, Shotaro Furukawa, Takumi Yamabuki, Minoru Takada, Kentaro Kato, Yoshiyasu Ambo, Fumitaka Nakamura

Open Access Study protocol

Susceptibility‐guided sequential strategy versus empirical therapy for Helicobacter pylori infection: study protocol for a randomised controlled trial

Kemei Lu, Cuicui Lang, Xuefei Zou, Lina Zang, WeiWei Sang, Qian Feng, Ying Mu, Lifeng Liu, Chunhong Xu, Jingrun Zhao

Open Access Study protocol

Postprandial effects of dietary protein source on metabolic responses, appetite, and arterial stiffness indices in overweight and obese men: the study protocol for a randomized crossover clinical trial

Zahra Dehnavi, Ali Jafarzadeh Esfehani, Omolbanin Hajhoseini, Hanieh Barghchi, Aliyeh Ghannadzadeh Yazdi, Zahra Khorasanchi, Mahdi Shadnoush, Reza Rezvani, Habibollah Esmaily, Mohammad Safarian

Open Access Study protocol

The impact of high versus standard enteral protein provision on functional recovery following intensive care admission (PRECISE trial): study protocol for a randomized controlled, quadruple blinded, multicenter, parallel group trial in mechanically ventilated patients

Rob J. J. van Gassel, Julia L. M. Bels, Katrien Tartaglia, Bas C. T. van Bussel, Sander M. J. van Kuijk, Adam M. Deane, Zudin Puthucheary, Peter J. M. Weijs, Lilian Vloet, Bert Beishuizen, Ashley De Bie Dekker, Vincent Fraipont, Stoffel Lamote, Didier Ledoux, Clarissa Scheeren, Elisabeth De Waele, Arthur R. H. van Zanten, Dieter Mesotten, Marcel C. G. van de Poll

Open Access Study protocol

Effect of xenon on brain injury, neurological outcome, and survival in patients after aneurysmal subarachnoid hemorrhage—study protocol for a randomized clinical trial

Mikael Laaksonen, Jaakko Rinne, Melissa Rahi, Jussi P. Posti, Ruut Laitio, Juri Kivelev, Ilkka Saarenpää, Dan Laukka, Juhana Frösen, Antti Ronkainen, Stepani Bendel, Jaakko Långsjö, Marika Ala-Peijari, Jani Saunavaara, Riitta Parkkola, Mikko Nyman, Ilkka K. Martikainen, Alex M. Dickens, Juha Rinne, Mika Valtonen, Teijo I. Saari, Timo Koivisto, Paula Bendel, Timo Roine, Antti Saraste, Tero Vahlberg, Juha Tanttari, Timo Laitio

Open Access Study protocol

Effect of an intraoperative periradicular application of platelet-rich fibrin (PRF) on residual post-surgical neuropathic pain after disc herniation surgery: study protocol for NeuroPRF, a randomized controlled trial

Julien Todeschi, Guillaume Dannhoff, Andres Hugo Coca, Daniel Ionut Timbolschi, François Proust, François Lefebvre, Vincent Lelievre, Pierrick Poisbeau, Laurent Vallat, Eric Salvat, Yohann Bohren

Open Access Study protocol

Rivaroxaban in patients with abdominal aortic aneurysm and high-sensitivity C-reactive protein elevation (BANBOO): study protocol for a randomized, controlled trial

Jingyuan Li, Sicong Ma, Xiu Jia, Yingzhen Bu, Tienan Zhou, Lei Zhang, Miaohan Qiu, Xiaozeng Wang

Open Access Study protocol

A single-blind, parallel-group randomised trial of a Technology-assisted and remotely delivered Cognitive Behavioural Therapy intervention (Tech-CBT) versus usual care to reduce anxiety in people with mild cognitive impairment and dementia: study protocol for a randomised trial

Nadeeka Dissanayaka, Deborah Brooks, Peter Worthy, Leander Mitchell, Nancy A. Pachana, Gerard Byrne, Syed Afroz Keramat, Tracy Comans, Sally Bennett, Jacki Liddle, Mark D. Chatfield, Annette Broome, Joanne Oram, Kanaganayagam Appadurai, Elizabeth Beattie, Tiffany Au, Teagan King, Kimberley Welsh, Ann Pietsch

Open Access Study protocol

Integrated therapist and online CBT for depression in primary care (INTERACT): study protocol for a multi-centre randomised controlled trial

Debbie Tallon, Laura Thomas, Sally Brabyn, Brian Chi Fung Ching, Jane Sungmin Hahn, Berry Jude, Mekeda X Logan, Alex Burrage, Fiona Fox, Simon Gilbody, Paul Lanham, Glyn Lewis, Jinshuo Li, Stephanie J. MacNeill, Irwin Nazareth, Steve Parrott, Tim J. Peters, Roz Shafran, Katrina Turner, Chris Williams, David Kessler, Nicola Wiles

Open Access Commentary

Non-COVID-19 UK clinical trials and the COVID-19 pandemic: impact, challenges and possible solutions

Ava Lorenc, Leila Rooshenas, Carmel Conefrey, Julia Wade, Nicola Farrar, Nicola Mills, Sangeetha Paramasivan, Alba Realpe, Marcus Jepson

Open Access Study protocol

Effectiveness of laparoscopic removal of isolated superficial peritoneal endometriosis for the management of chronic pelvic pain in women (ESPriT2): protocol for a multi-centre randomised controlled trial

Scott C. Mackenzie, Jacqueline Stephen, Linda Williams, Jane Daniels, John Norrie, Christian M. Becker, Dominic Byrne, Ying Cheong, T. Justin Clark, Kevin G. Cooper, Emma Cox, Ann M. Doust, Priscilla Fernandez, Jeremy Hawe, Tom Holland, Lone Hummelshoj, Louise J. Jackson, Kathleen King, Abha Maheshwari, Dan C. Martin, Lauren Sutherland, Jim Thornton, Katy Vincent, Sanjay Vyas, Andrew W. Horne, Lucy H. R. Whitaker

Open Access Methodology

The small trial problem

Jean Raymond, Tim E. Darsaut, Johanna Eneling, Miguel Chagnon

Open Access Study protocol

The effectiveness and health-economic evaluation of “Partner in Balance,” a blended self-management program for early-stage dementia caregivers: study protocol for a cluster-randomized controlled trial

Sander L. Osstyn, Ron Handels, Lizzy M. M. Boots, Sanne C. E. Balvert, Silvia M. A. A. Evers, Marjolein E. de Vugt

Open Access Study protocol

Impact of a recognition package as an incentive to strengthen the motivation, performance, and retention of village health teams in Uganda: a study protocol for a cluster randomized controlled trial

Smisha Agarwal, Raymond Tweheyo, Shivani Pandya, Emmanuel Obuya, Arisa Kiyomoto, Paloma Mitra, Meike Schleiff, Tanvi Nagpal, Mario Macis, Elizeus Rutebemberwa

Open Access Study protocol

Effect of probiotic supplementation on in-hospital mortality in patients with acute myocardial infarction: a study protocol for an open-label, randomized, controlled, superiority clinical trial

Yequn Chen, Rongbing Chen, Xin Wang, Yan Zhou, Liekai Hong, Nianling Xiong, Jinxiu Zhu, Shu Ye, Xuerui Tan

Open Access Study protocol

Photoaging and theory-based intervention to improve sun protection behaviors in students in Zahedan: study protocol for a randomized controlled trial

Hassan Okati-Aliabad, Esmat Sadat Hosseini, Mohammad Ali Morowati Sharifabad, Mahdi Mohammadi, Mohamad Ebrahimzadeh Ardakani, Amir Hossein Talebrouhi

Open Access Research

Clinical reasoning in pragmatic trial randomization: a qualitative interview study

Justin T. Clapp, Cassandra Dinh, Monica Hsu, Mark D. Neuman

Open Access Study protocol

Endoscopic treatment (endoscopic balloon dilation/self-expandable metal stent) vs surgical resection for the treatment of de novo stenosis in Crohn’s disease (ENDOCIR study): an open-label, multicentre, randomized trial

Carme Loras, Pablo Ruiz-Ramirez, Juan Romero, Xavier Andújar, Josep Bargallo, Esther Bernardos, Marta Maia Boscá-Watts, Carlo Brugiotti, Eduard Brunet, David Busquets, Elena Cerrillo, Francisco Javier Cortina, Juan Antonio Díaz-Milanés, Carmen Dueñas, Ramón Farrés, Thomas Golda, Ferran González-Huix, Joan B. Gornals, Jordi Guardiola, David Julià, Alba Lira, Jordina Llaó, Miriam Mañosa, Ingrid Marin, Mónica Millán, David Monfort, David Moro, Josep Mullerat, Mercè Navarro, Francisco Pérez Roldán, Eva Pijoan, Vicente Pons, José Reyes, María Rufas, Empar Sainz, Vicente Sanchiz, Anna Serracant, Eva Sese, Cristina Soto, Jose Troya, Natividad Zaragoza, Cristian Tebé, Marta Paraira, Emma Sudrià-Lopez, Vicenç Mayor, Fernando Fernández-Bañares, Maria Esteve

Open Access Research

Predictors of participant retention in a community-based HIV prevention cohort: perspectives from the HPTN 071 (PopART) study

Nomtha Bell-Mandla, Ethan Wilson, Deeksha Sharma, Rosa Sloot, Justin Bwalya, Ab Schaap, Deborah Donnell, Estelle Piwowar-Manning, Sian Floyd, Nozizwe Makola, Lungiswa Nkonki, Musonda Simwinga, Ayana Moore, Richard Hayes, Sarah Fidler, Helen Ayles, Peter Bock

Open Access Study protocol

SMA-TB: study protocol for the phase 2b randomized double-blind, placebo-controlled trial to estimate the potential efficacy and safety of two repurposed drugs, acetylsalicylic acid and ibuprofen, for use as adjunct therapy added to, and compared with, the standard WHO recommended TB regimen

Lilibeth Arias, Kennedy Otwombe, Ziyaad Waja, Nestani Tukvadze, Tamta Korinteli, Tumelo Moloantoa, Kaori L Fonseca, Natasha Pillay, Thabiso Seiphetlo, Dan Ouchi-Vernet, Adrian Siles, Lidia Carabias, Carles Quiñones, Sergo Vashakidze, Neil Martinson, Cristina Vilaplana

Open Access Methodology

Meta-research on pragmatism of randomized trials: rationale and design of the PragMeta database

Julian Hirt, Perrine Janiaud, Pascal Düblin, Lars G. Hemkens

Open Access Study protocol

Advanced practice nurse intervention versus usual care for hypertension control: study protocol for an open-label randomized controlled trial

Juliette Vay-Demouy, Alexandre Cinaud, Nathan Malka, Baptiste Mion, Sandrine Kretz, Hélène Lelong, Jacques Blacher

Open Access Study protocol

The CBIT + TMS trial: study protocol for a two-phase randomized controlled trial testing neuromodulation to augment behavior therapy for youth with chronic tics

Christine Conelea, Deanna J. Greene, Jennifer Alexander, Kerry Houlihan, Sarah Hodapp, Brianna Wellen, Sunday Francis, Bryon Mueller, Tim Hendrickson, Angela Tseng, Mo Chen, Mark Fiecas, Kelvin Lim, Alexander Opitz, Suma Jacob

Open Access Study protocol

Enhancing educational and vocational recovery in adolescents and young adults with early psychosis through Supported Employment and Education (SEEearly): study protocol for a multicenter randomized controlled trial

D. Jäckel, A. Willert, A. Brose, K. Leopold, D. Nischk, S. Senner, O. Pogarell, S. Sachenbacher, M. Lambert, A. Rohenkohl, P. Kling-Lourenco, N. Rüsch, F. Bermpohl, M. Schouler-Ocak, V. Disselhoff, U. Skorupa, A. Bechdolf

Open Access Study protocol

Community-based lifestyle intervention for diabetes (Co-LID study) management in rural Nepal: study protocol for a clustered randomized controlled trial

Lal Rawal, Padam Dahal, Grish Paudel, Tuhin Biswas, Rabina Shrestha, Deepa Makaju, Abha Shrestha, Uday Yadav, Berhe W Sahle, Hanako Iwashita, Gaku Masuda, Andre Renzaho, Prabin Shakya, Archana Shrestha, Biraj Karmacharya, Haruka Sakamoto, Rajendra Koju, Tomohiko Sugishita

Open Access Research

The effects of functional foods mixture on inflammatory cytokines and biochemical findings in hospitalized patients with COVID-19: a randomized double-blind controlled trial

Hadi Esmaeili Gouvarchinghaleh, Fateme Kiany, Karim Parastouei, Gholamhosein Alishiri, Nematollah Jonaidi Jafari, Abbas Ali Imani Fooladi, Afsaneh Pargar, Ali Ghazvini, Reza Mirnejad, Mehdi Raei, Ahmadreza Sharifi Olounabadi, Mansour Babaei, Soleyman Heydari, Hosein Rostami, Alireza Shahriary, Gholamreza Farnoosh, Vahid Sobhani, Mohammad Mahdi Mazhari, Farshad NajjarAsiabani

Open Access Methodology

Starting a conversation about estimands with public partners involved in clinical trials: a co-developed tool

Suzie Cro, Brennan C Kahan, Akshaykumar Patel, Ania Henley, Joanna C, Paul Hellyer, Manos Kumar, Yasmin Rahman, Beatriz Goulão

Open Access Study protocol

Effect of superficial and deep parasternal blocks on recovery after cardiac surgery: study protocol for a randomized controlled trial

Audrey Jeanneteau, Achille Demarquette, Aymeric Blanchard-Daguet, Olivier Fouquet, Sigismond Lasocki, Jérémie Riou, Emmanuel Rineau, Maxime Léger

Open Access Review

Informed consent in cancer clinical drug trials in China: a narrative literature review of the past 20 years

Xing Liu, Xiaoran Lu, Wei Zhou, Jessica Hahne, Kaveh Khoshnood, Xiaoting Shi, Yuqiong Zhong, Xiaomin Wang

Open Access Study protocol

The effect of a parental preparation video (Take5) on child and parent anxiety during anaesthetic induction: a protocol for a randomised controlled trial

Krittika Vongkiatkajorn, Erin A. Brown, Alexandra Donaldson, Vanessa Rich, Rebecca Paterson, Justin Kenardy, Cameron Graydon, Paul Lee-Archer

Open Access Study protocol

Randomized double-blind personalized N-of-1 clinical trial to test the safety and potential efficacy of TJ-68 for treating muscle cramps in amyotrophic lateral sclerosis (ALS): study protocol for a TJ-68 trial

Hiroshi Mitsumoto, Ken Cheung, Björn Oskarsson, Howard F. Andrews, Grace E. Jang, Jinsy A. Andrews, Jaimin S. Shah, Joseph Americo Fernandes, Martin McElhiney, Regina M. Santella

Open Access Study protocol

A multicentre randomised controlled trial of a guided self-help cognitive behavioural therapy to MANage the impact of hot flushes and night sweats in patients with prostate CANcer undergoing androgen deprivation therapy (MANCAN2)

Simon Crabb, Alannah Morgan, Myra S. Hunter, Evgenia Stefanopoulou, Gareth Griffiths, Alison Richardson, Deborah Fenlon, Louisa Fleure, James Raftery, Cherish Boxall, Sam Wilding, Jacqueline Nuttall, Zina Eminton, Emma Tilt, Alice O’Neill, Roger Bacon, Jonathan Martin

Open Access Study protocol

Necessity of fusion following decompression surgery in patients with single-level lumbar stenosis: study protocol for an open-label multicentre non-inferiority randomized controlled clinical trial

Andrey Grin, Ivan Lvov, Aleksandr Talypov, Vladimir Smirnov, Anton Kordonskiy, Valeriy Lebedev, Andrey Zuev, Ilya Senko, Iren Pogonchenkova, Vladimir Krylov

Open Access Correction

Correction: ESTIMation of the ABiLity of prophylactic central compartment neck dissection to modify outcomes in low-risk differentiated thyroid cancer: a prospective randomized trial

Dana Hartl, Yann Godbert, Xavier Carrat, Stéphane Bardet, Audrey Lasne-Cardon, Pierre Vera, Elena Ilies, Slimane Zerdoud, Jérôme Sarini, Mohamad Zalzali, Luigi La Manna, Olivier Schneegans, Antony Kelly, Philppe Kaufmann, Patrice Rodien, Laurent Brunaud, Solange Grunenwald, Elie Housseau, Salim Laghouati, Nathalie Bouvet, Elodie Lecerf, Julien Hadoux, Livia Lamartina, Martin Schlumberger, Isabelle Borget

Open Access Study protocol

A self-guided Internet-based intervention for individuals with chronic pain and depressive symptoms: study protocol of a randomized controlled trial

Swantje Borsutzky, Steffen Moritz, Birgit Hottenrott, Josefine Gehlenborg

Open Access Study protocol

Randomised controlled trials of behavioural nudges delivered through text messages to increase influenza and COVID-19 vaccines among pregnant women (the EPIC study): study protocol

Prabha H. Andraweera, Bing Wang, Margie Danchin, Christopher Blyth, Ivo Vlaev, Jason Ong, Jodie Dodd, Jennifer Couper, Thomas R. Sullivan, Jonathan Karnon, Nicola Spurrier, Michael Cusack, Dylan Mordaunt, Dimi Simatos, Gus Dekker, Samantha Carlson, Jane Tuckerman, Nicholas Wood, Lisa Whop, Helen S. Marshall

Open Access Study protocol

Effectiveness of individualized counseling on the duration of exclusive breastfeeding: study protocol for a multicenter, randomized, parallel, and open clinical trial

Mariana Torreglosa Ruiz, Elisa da Conceição Rodrigues, Karine Emanuelle Peixoto Oliveira da Silva, Cynthya Viana de Resende, Michele Curcino Cavalcanti, Luciano Marques dos Santos, Monika Wernet, Ana Letícia Monteiro Gomes, Marialda Moreira Christoffel, Maria Beatriz Guimarães Raponi, Jéssica Aparecida da Silva, Jacqueline Faria de Oliveira, Divanice Contim, Ana Maria Linares

Open Access Commentary

Why do older adults decline participation in research? Results from two deprescribing clinical trials

Thomas E. Strayer, Emily K. Hollingsworth, Avantika S. Shah, Eduard E. Vasilevskis, Sandra F. Simmons, Amanda S. Mixon

Open Access Study protocol

Individualized lifestyle intervention in PCOS women (IPOS): a study protocol for a multicentric randomized controlled trial for evaluating the effectiveness of an individualized lifestyle intervention in PCOS women who wish to conceive

Neena Malhotra, Taruna Arora, Vanita Suri, Saubhagya Kumar Jena, Asha Verma, Mahasampath Gowri, Nitin Kapoor, Manjeet Singh Chalga, Bharati Kulkarni, Mohan S. Kamath

Open Access Study protocol

Evaluating the efficacy and safety of acotiamide in patients with esophagogastric junction outflow obstruction: study protocol for an investigator-initiated, multi-center, randomized, double-blind, placebo-controlled phase II trial

Mitsuru Esaki, Eikichi Ihara, Noriaki Manabe, Noriyuki Kawami, Katsuhiko Iwakiri, Junichi Akiyama, Shiko Kuribayashi, Toshio Uraoka, Haruei Ogino, Takatoshi Chinen, Akiko Misumi, Hiroko Watanabe, Maya Suzuki, Junji Kishimoto, Yoshihiro Ogawa

Open Access Research

Multi-Round versus Real-Time Delphi survey approach for achieving consensus in the COHESION core outcome set: a randomised trial

Fiona A. Quirke, Malcolm R. Battin, Caitlin Bernard, Linda Biesty, Frank H. Bloomfield, Mandy Daly, Elaine Finucane, David M. Haas, Patricia Healy, Tim Hurley, Sarah Koskei, Shireen Meher, Eleanor J. Molloy, Maira Niaz, Elaine Ní Bhraonáin, Christabell Omukagah Okaronon, Farhana Tabassum, Karen Walker, James R. H. Webbe, Matthew J. Parkes, Jamie J. Kirkham, Declan Devane

Open Access Study protocol

Parent coaching via telerehabilitation for young children with autism spectrum disorder (ASD): study protocol for a randomised controlled trial

Isaac Kwee Mien Sia, Ying Qi Kang, Philina LiXuan Lai, Mythra Mahesh, Shang Chee Chong

Open Access Study protocol

Protocol for a randomized controlled trial comparing a very low-carbohydrate diet or moderate-carbohydrate plate-method diet for type 2 diabetes: the LEGEND (Lifestyle Education about Nutrition for Diabetes) trial

Laura R. Saslow, Adriana Eslamian, Patricia Moran, Wendy Hartogensis, Ashley E. Mason, Sarah Kim, Douglas C. Bauer, Dina Hafez Griauzde, Veronica Goldman, Vivian Liu, Pam Stephens, Kate Raymond, George Yeung, Cindy Leung, Frederick M. Hecht

Open Access Study protocol

Optimising DTwP-containing vaccine infant immunisation schedules (OptImms) — a protocol for two parallel, open-label, randomised controlled trials

Sarah Kelly, Xinxue Liu, Katherine Theiss-Nyland, Merryn Voysey, Sarah Murphy, Grace Li, Mary Nyantaro, Meeru Gurung, Sudha Basnet, Bhishma Pokhrel, Sanjeev M. Bijukchhe, Agnes Eordogh, Ben Gombe, Ayoub Kakande, Simon Kerridge, Geofrey Kimbugwe, Sylvia Kusemererwa, Lawrence Lubyayi, Henry Luzze, Olga Mazur, Yama F. Mujadidi, Shamim Nabukenya, Walter-Rodney Nagumo, Tryphena Nareeba, Rabiullah Noristani, Peter O’Reilly, Andrew Roberts, Ganesh Shah, Sonu Shrestha, Laxman P. Shrestha, Surya B. Thapa, Freddie M. Kibengo, Arun K. Sharma, Alison Elliott, Shrijana Shrestha, Andrew J. Pollard

Open Access Study protocol

Pragmatic, randomized, blinded trial to shorten pharmacologic treatment of newborns with neonatal opioid withdrawal syndrome (NOWS)

Adam Czynski, Abbot Laptook, Abhik Das, Brian Smith, Alan Simon, Rachel Greenberg, Robert Annett, Jeannette Lee, Jessica Snowden, Claudia Pedroza, Barry Lester, Barry Eggleston, Drew Bremer, Elisabeth McGowan

Open Access Study protocol

Comparison of ultrasound-guided and palpation-inserted peripheral venous cannula in -patients before primary hip or knee arthroplasty: study protocol for a randomized controlled trial

Jakub Hlasny, Roman Alberty, Marian Hlavac, Ivan Grgac, Michael Teodor Grey, Michal Venglarcik

Open Access Study protocol

Efficacy of a smartphone application for helping individuals with type 2 diabetes mellitus manage their blood glucose: a protocol for factorial design trial

Hongxia Tang, Hua Qin, Mingjiao Zhang, Jihong Zhang, Huiwen Tan, Mengjie Chen, Laixi Kong, Maoting Guo, Fenghui Hu, Qin Wang, Xiaoxia Wang, Kun Zhang, Zhenzhen Xiong

Open Access Update

Statistical analysis plan for a cluster randomised trial in Madhya Pradesh, India: support to rural India’s public education system and impact on numeracy and literacy scores (STRIPES2)

Suzanne Keddie, Ila Fazzio, Siddharudha Shivalli, Nicholas Magill, Diana Elbourne, Dropti Sharma, Sajjan Singh Shekhawat, Rukmini Banerji, Sridevi Karnati, Harshavardhan Reddy, Alex Eble, Peter Boone, Chris Frost

Open Access Study protocol

Anal fistulotomy with one-stage shaped skin grafting for intersphincter anal fistulas: study protocol on a multicentre randomised controlled trial

Yongchang Zhao, Wei Xie, Xiaoshuo Wu, Xiaolan Li, Jinyan Guo, Qiurui Cao, Jiadi Liang, Xin-lin Chen, Wentao Zhao, Feng Sun, Hongjie Li, Weimin Luo, Yuying Li

Open Access Study protocol

Assisted ambulation to improve health outcomes for older medical inpatients (AMBULATE): study protocol for a randomized controlled trial

Joshua K. Johnson, Aaron C. Hamilton, Bo Hu, Quinn R. Pack, Peter K. Lindenauer, Robert J. Fox, Ardeshir Hashmi, Lee Anne Siegmund, Christian N. Burchill, Glen B. Taksler, Toyomi Goto, Mary Stilphen, Michael B. Rothberg

Open Access Update

The statistical analysis plan for the unification of treatments and interventions for tinnitus patients randomized clinical trial (UNITI-RCT)

Jorge Piano Simoes, Stefan Schoisswohl, Winfried Schlee, Laura Basso, Alberto Bernal-Robledano, Benjamin Boecking, Rilana Cima, Sam Denys, Milena Engelke, Alba Escalera-Balsera, Alvaro Gallego-Martinez, Silvano Gallus, Dimitris Kikidis, Jose A. López-Escámez, Steven C. Marcrum, Nikolaos Markatos, Juan Martin-Lagos, Marta Martinez-Martinez, Birgit Mazurek, Evgenia Vassou, Carlotta Micaela Jarach, Nicolas Mueller-Locatelli, Patrick Neff, Uli Niemann, Hafez Kader Omar, Clara Puga, Miro Schleicher, Vishnu Unnikrishnan, Patricia Perez-Carpena, Rüdiger Pryss, Paula Robles-Bolivar, Matthias Rose, Martin Schecklmann, Tabea Schiele, Johannes Schobel, Myra Spiliopoulou, Sabine Stark, Carsten Vogel, Nina Wunder, Zoi Zachou, Berthold Langguth

Open Access Study protocol

The impact of a blend of Pistacia atlantica seed and canola oil compared with a blend of corn-canola oil with synthetic antioxidant and corn-canola oil without synthetic antioxidant on oxidative stress markers in patients with metabolic syndrome: protocol for a triple-blind, randomized, three-way cross-over clinical trial

Bahareh Sasanfar, Arezoo sadat Emrani, Faezeh Zademohammadi, Bita Forootani, Solaleh Emamgholipour, Sara Jambarsang, Sayyed Saeid Khayyatzadeh, Fatemeh Pourrajab, Seyed Ali Yasini Ardakani, Ahmad Esmaillzadeh, Amin Salehi-Abarghouei

Open Access Study protocol

Continuous Positive Airway Pressure plus Mandibular Advancement Therapy (PAPMAT): study protocol for an adaptive randomised crossover trial comparing the benefits and costs of combining two established treatments for obstructive sleep apnoea

Martin Law, Sofia Villar, Nicholas Oscroft, Victoria Stoneman, Julia Fox-Rushby, Yi-Da Chiu, Jo Steele, Thomas Devine, Claire Francis, Thomas Claydon, Graham Hill, Ka Keat Lim, Joanna Rayner, Mandy Williams, Emma Spires, Timothy Quinnell

Open Access Study protocol

Pragmatic cluster-randomized trial of home-based preventive treatment for TB in Ethiopia and South Africa (CHIP-TB)

Akash Malhotra, Bareng Aletta Sanny Nonyane, Evan Shirey, Christiaan Mulder, Piotr Hippner, Fiseha Mulatu, Andani Ratshinanga, Petros Mitiku, Silvia Cohn, Gideon Conradie, Violet Chihota, Richard E. Chaisson, Gavin J. Churchyard, Jonathan Golub, David Dowdy, Hojoon Sohn, Salome Charalambous, Ahmed Bedru, Nicole Salazar-Austin

Open Access Correction

Correction: Enhancing educational and vocational recovery in adolescents and young adults with early psychosis through Supported Employment and Education (SEEearly): study protocol for a multicenter randomized controlled trial

D. Jäckel, A. Willert, A. Brose, K. Leopold, D. Nischk, S. Senner, O. Pogarell, S. Sachenbacher, M. Lambert, A. Rohenkohl, P. Kling-Lourenco, N. Rüsch, F. Bermpohl, M. Schouler-Ocak, V. Disselhof, U. Skorupa, A. Bechdolf

Open Access Research

Pre-notifications increase retention in a 17-year follow-up of adolescents born very preterm

Minttu Helin, Max Karukivi, Päivi Rautava, Milka Hirvonen, Mira Huhtala, Sirkku Setänen, Mikael Ekblad, Satu Ekblad, Eeva Ekholm, Linda Grönroos, Leena Haataja, Laura Haveri, Eveliina Joensuu, Pentti Kero, Riikka Korja, Katri Lahti, Helena Lapinleimu, Liisa Lehtonen, Tuomo Lehtonen, Marika Leppänen, Annika Lind, Jonna Maunu, Petriina Munck, Eeva Mäkilä, Anna Nyman, Riitta Parkkola, Katriina Saarinen, Tiina Saarinen, Susanna Salomäki, Virva Saunavaara, Matti Sillanpää, Suvi Stolt, Karoliina Uusitalo, Milla Ylijoki

Open Access Correction

Correction: OPAL: a randomised, placebo-controlled trial of opioid analgesia for the reduction of pain severity in people with acute spinal pain—a statistical analysis plan

Caitlin M. P. Jones, Chung-Wei Christine Lin, Richard O. Day, Bart W. Koes, Jane Latimer, Chris G. Maher, Andrew McLachlan, Laurent Billot

Open Access Study protocol

Effectiveness of a community health worker-led low-sodium salt intervention to reduce blood pressure in rural Bangladesh: protocol for a cluster randomized controlled trial

Andrew Y. Chang, Mushfiqur Rahman, Animesh Talukder, Humyra Shah, Malay Kanti Mridha, Mehedi Hasan, Malabika Sarker, Pascal Geldsetzer

Open Access Study protocol

Efficacy of beetroot juice on reducing blood pressure in hypertensive adults with autosomal dominant polycystic kidney disease (BEET-PKD): study protocol for a double-blind, randomised, placebo-controlled trial

Priyanka S. Sagar, Alexandra Munt, Sayanthooran Saravanabavan, Farnoosh Asghar Vahedi, James Elhindi, Beatrice Nguyen, Katrina Chau, David C. Harris, Vincent Lee, Kamal Sud, Nikki Wong, Gopala K. Rangan

Open Access Study protocol

Study protocol for a randomized controlled trial of in-home decluttering augmentation of group cognitive-behavioral therapy for hoarding disorder: the Joining Forces Trial

Sofia Jägholm, Sara Lindstedt, Erik Andersson, David Mataix-Cols, Lorena Fernández de la Cruz, Christian Rück, Volen Z. Ivanov

Open Access Study protocol

Replacing protein via enteral nutrition in a stepwise approach in critically ill patients: the REPLENISH randomized clinical trial protocol

Yaseen M. Arabi, Hasan M. Al-Dorzi, Musharaf Sadat, Dina Muharib, Haifa Algethamy, Fahad Al-Hameed, Ahmed Mady, Adnan AlGhamdi, Ghaleb. A. Almekhlafi, Abdulrahman A. Al-Fares, Ayman Kharaba, Ali Al Bshabshe, Khalid Maghrabi, Khalid Al Ghamdi, Ghulam Rasool, Jamal Chalabi, Haifaa Ibrahim AlHumedi, Maram Hasan Sakkijha, Norah Khalid Alamrey, Rabeah Hamad Alhutail, Kaouthar Sifaoui, Mohammed Almaani, Rakan Alqahtani, Ahmad S. Qureshi, Mohammed Moneer Hejazi, Hatim Arishi, Samah AlQahtani, Amro Mohamed Ghazi, Saleh T. Baaziz, Abeer Othman Azhar, Sara Fahad Alabbas, Mohammed AlAqeely, Ohoud AlOrabi, Aliaa Al-Mutawa, Maha AlOtaibi, Omar Aldibaasi, Jesna Jose, Joel Starkopf, Jean-Charles Preiser, Anders Perner, Abdulaziz Al-Dawood, Amal Almatroud, Brintha Naidu, Vicki Burrow, Salha Al Zayer, Haseena Banu Khan, Afonso Varela, Mohamed Ali Alodat, Rayan Alshayeh, AbdulRehman AlHarthi, Naif Al Qahtani, Yasmeen Ayed AlHejiely, Mada Muzhir AlZahrani, Mohammed Haddad Lhmdi, Katrina Baguisa, Huda Mhawisg, Liyakat Khan, Moataz Gabr, Shehla Nuzhat, Madiha ElGhannam, Beverly Bcuizon, Bander AlAnezi, Christine Joy Anaud, Sawsan Albalawi, Manar Alahmadi, Mohammed AlHumaid, Samar Talal Nouri, Rozeena Huma, Khawla Farhan, Samahar Alamoudi, Milyn L. Ansing, Raghad Malabari, Kholoud Shobragi, Shaymaa Asaas, Ahmed Quadri, Khalid Idrees, Arwa AlHusseini, Shahinaz Bashir, Mohamed Hussein, Olfa Baji, Abdulrehman Alerw, Khloud Johani, Monera AlEnezi, Ismail Boudrar, Rabiah Atiq, Maali Junid, Maram Yusef, Mona Bin Mabkoot, Munir AlDammad, Yahia Otaif, Osama Hakami, Mariam Ehab Kenawy, Dalal Ali Alkhamees, Tasneem Abdullah Behbehani

Open Access Publisher Correction

Publisher Correction: Individualized lifestyle intervention in PCOS women (IPOS): a study protocol for a multicentric randomized controlled trial for evaluating the effectiveness of an individualized lifestyle intervention in PCOS women who wish to conceive

Neena Malhotra, Taruna Arora, Vanita Suri, Saubhagya Kumar Jena, Asha Verma, Mahasampath Gowri, Nitin Kapoor, Manjeet Singh Chalga, Bharati Kulkarni, Mohan S. Kamath

Open Access Correction

Correction: A multi-center, open-label, randomized study to explore efficacy and safety of baricitinib in active primary Sjogren’s syndrome patients

Wei Bai, Fan Yang, Huji Xu, Wei Wei, Hongbin Li, Liyun Zhang, Yi Zhao, Xiaofei Shi, Yan Zhang, Xiaofeng Zeng, Xiaomei Leng

Open Access Study protocol

Leukocyte- and platelet-rich fibrin in endoscopic endonasal skull base reconstruction: study protocol for a multicenter prospective, parallel-group, single-blinded randomized controlled non-inferiority trial

Birgit Coucke, Anaïs Van Hoylandt, Mark Jorissen, Jeroen Meulemans, Thomas Decramer, Johannes van Loon, Vincent Vander Poorten, Tom Theys, Laura Van Gerven

Open Access Study protocol

Efficacy and safety of pentoxifylline for chronic venous leg ulcers: study protocol for a multicenter randomized controlled trial in China (ESPECT study)

Lihong Chen, Yun Gao, Ming Liu, Qiu Li, Chunmao Han, Yue Zhao, Binghui Li, Jun Xu, Yan Dai, Pei Li, Jianli Li, Yuanyuan Li, Xingwu Ran

Open Access Study protocol

An observer-blinded, cluster randomised trial of a typhoid conjugate vaccine in an urban South Indian cohort

Nikhil Sahai, Dilesh Kumar Arunachalam, Tim Morris, Andrew Copas, Prasanna Samuel, Venkata Raghava Mohan, Vinod Abraham, Joshua Anish Selwyn, Praveen Kumar, Winsley Rose, Veeraraghavan Balaji, Gagandeep Kang, Jacob John

Open Access Research

The detection and management of attempted fraud during an online randomised trial

Thomas A. Willis, Alexandra Wright-Hughes, Clare Skinner, Amanda J. Farrin, Suzanne Hartley, Rebecca Walwyn, Ana Weller, Mohamed Althaf, Stephanie Wilson, Chris P. Gale, Robbie Foy

Open Access Study protocol

Duroplasty for injured cervical spinal cord with uncontrolled swelling: protocol of the DISCUS randomized controlled trial

Samira Saadoun, Lukas Grassner, Maurizio Belci, Jonathan Cook, Ruth Knight, Lucy Davies, Hasan Asif, Ravindran Visagan, Mathew J. Gallagher, Claudius Thomé, Peter J. Hutchinson, Argyro Zoumprouli, Julia Wade, Nicola Farrar, Marios C. Papadopoulos

Open Access Study protocol

Efficacy of five-step shoulder manipulation for rotator cuff-related shoulder pain: protocol for a multicenter randomized controlled trial

Shuang Liu, Jin-Tao Liu, Lin Chen, Tian-You Fan, Xue-Jun Cui, Shao-Dan Cheng, Yan-Jiao Chen, Qi Shi, Chun-Chun Xue, Xiao-Feng Li

Open Access Study protocol

Proximal ROw carpectOmy versus four-corner Fusion (PROOF-trial) for osteoarthritis of the wrist: study protocol for multi-institutional double-blinded randomized controlled trial

Mikko Alanen, Susanna Stjernberg-Salmela, Eero Waris, Teemu Karjalainen, Jouko Miettunen, Jorma Ryhänen, Samuli Aspinen

Open Access Study protocol

Effects of remote ischemic conditioning on conditioned pain modulation and cardiac autonomic modulation in women with knee osteoarthritis: placebo-controlled randomized clinical trial protocol

Taíse Mendes Biral, Allysiê Priscilla de Souza Cavina, Eduardo Pizzo Junior, Carlos Alberto Toledo Teixeira Filho, Franciele Marques Vanderlei

Open Access Study protocol

The Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS-C) for serious mental illness in community mental health part 2: study protocol for a hybrid type 2 effectiveness-implementation cluster-randomized trial using train-the-trainer

Catherine A. Callaway, Laurel D. Sarfan, Emma R. Agnew, Lu Dong, Julia M. Spencer, Rafael Esteva Hache, Marlen Diaz, Shayna A. Howlett, Krista R. Fisher, Heather E. Hilmoe Yates, Eric Stice, Amy M. Kilbourne, Daniel J. Buysse, Allison G. Harvey

Open Access Research

Do hospitals that participate in COVID-19 research differ from non-trial hospitals? A cross-sectional study of US hospitals

Daniel Kang, Cher X. Huang, Alexander D. Yuen, Keith C. Norris, Tara Vijayan

Open Access Study protocol

Can dexamethasone improve postoperative sleep and postoperative delirium in elderly patients undergoing robot-assisted laparoscopic radical prostatectomy? Protocol for a prospective, randomized, double-blind, controlled study

Yaping Shi, Qingyu Sun, Yue Wang, Chunting Chen, Jianfei Jin, Wei Wang, Yuting Lu, Yi Hua, Jianming Liu, Jinjun Bian, Zhou Yi

Open Access Study protocol

Effect of Tan Tui combined with kinesio taping on the posture control of patients with PFPS: protocol for a randomized controlled trial

Youhua Li, Shuai Tian, Lu Jin, Jixin Li, Xianfa Liu, Jingjing Ji

Open Access Study protocol

A community-based intervention to improve screening, referral and follow-up of non-communicable diseases and anaemia amongst pregnant and postpartum women in rural India: study protocol for a cluster randomised trial

Jane Elizabeth Hirst, Nicole Votruba, Laurent Billot, Varun Arora, Eldho Rajan, Sudhir Raj Thout, David Peiris, Anushka Patel, Robyn Norton, Edward Mullins, Ankita Sharma, Stephen Kennedy, Vivekanand Jha, Devarsetty Praveen

Open Access Study protocol

Evaluation of interventions to prevent vasovagal reactions among whole blood donors: rationale and design of a large cluster randomised trial

Amy McMahon, Stephen Kaptoge, Matthew Walker, Susan Mehenny, Philippe T Gilchrist, Jennifer Sambrook, Naim Akhtar, Michael Sweeting, Angela M Wood, Kathleen Stirrups, Ryan Chung, Sarah Fahle, Elisha Johnson, Donna Cullen, Rosemary Godfrey, Shannon Duthie, Louise Allen, Paul Harvey, Michael Berkson, Elizabeth Allen, Nicholas A Watkins, John R Bradley, Nathalie Kingston, Gail Miflin, Jane Armitage, David J Roberts, John Danesh, Emanuele Di Angelantonio

Open Access Study protocol

Organisational models supported by technology for the management of diabetic disease and its complications in a diabetic clinic setting: study protocol for a randomised controlled trial targeting type 2 diabetes individuals with non-ideal glycaemic values (Telemechron study)

Alexia Giovanazzi, Lorenzo Gios, Marina Mastellaro, Maria Adalgisa Gentilini, Francesca Valent, Sara Condini, Giorgia Bincoletto, Alessandro Bacchiega, Andrea Zorzi, Giulia Malfatti, Francesca Perini, Claudio Eccher, Michele Marchesoni, Marlene Dall’Alda, Massimo Orrasch, Diego Conforti, Sandro Inchiostro

Open Access Study protocol

The effects of esketamine and treatment expectation in acute major depressive disorder (Expect): study protocol for a pharmacological fMRI study using a balanced placebo design

Irina Falkenberg, Florian Bitsch, Wei Liu, Alexandros Matsingos, Laila Noor, Christoph Vogelbacher, Cüneyt Yildiz, Tilo Kircher

Open Access Study protocol

Potential cognitive and neural benefits of a computerised cognitive training programme based on Structure Learning in healthy adults: study protocol for a randomised controlled trial

Chia-Lun Liu, Xiaoqin Cheng, Boon Linn Choo, Min Hong, Jia Li Teo, Wei Ler Koo, Jia Yuan Janet Tan, Marisha Barth Ubrani, John Suckling, Balázs Gulyás, Victoria Leong, Zoe Kourtzi, Barbara Sahakian, Trevor Robbins, Annabel Shen-Hsing Chen

Open Access Research

Effect of concurrent resistance-aerobic training on inflammatory factors and growth hormones in children with type 1 diabetes: a randomized controlled clinical trial

Marzieh Nazari, Ramin Shabani, Afagh Hassanzadeh-Rad, Mohammad Ali Esfandiari, Setila Dalili

Open Access Update

Statistical analysis plan and protocol updates for Gestational diabetes in Uganda and India: Design and Evaluation of Educational Films for Improving Screening and Self-management (GUIDES) trial

Nick Birk, Laura L. Oakley, Poppy A. C. Mallinson, Deepa R, Giridhara R. Babu, Moffat Nyirenda, Sanjay Kinra

Open Access Study protocol

The NightLife study — the clinical and cost-effectiveness of thrice-weekly, extended, in-centre nocturnal haemodialysis versus daytime haemodialysis using a mixed methods approach: study protocol for a randomised controlled trial

Katherine L. Hull, Kate Bramham, Cassandra L. Brookes, Victoria Cluley, Carmel Conefrey, Nicola J. Cooper, Helen Eborall, James Fotheringham, Matthew P. M. Graham-Brown, Laura J. Gray, Patrick B. Mark, Sandip Mitra, Gavin J. Murphy, Niamh Quann, Leila Rooshenas, Madeleine Warren, James O. Burton

Open Access Study protocol

The effect of a multi-component behavior change technique intervention on medication adherence among individuals on primary prevention statin therapy: a dose-finding protocol

Mark J. Butler, Anne-Marie N. Romain, Rumisha Augustin, Patrick Robles, Ciaran P. Friel, Thevaa Chandereng, Jerry M. Suls, Elizabeth A. Vrany, Frank Vicari, Ying Kuen Cheung, Karina W. Davidson

Open Access Study protocol

A technology-enabled multi-disciplinary team-based care model for the management of Long COVID and other fatiguing illnesses within a federally qualified health center: protocol for a two-arm, single-blind, pragmatic, quality improvement professional cluster randomized controlled trial

Job G. Godino, Jane C. Samaniego, Sydney P. Sharp, Douglas Taren, Alexandra Zuber, Amy J. Armistad, Amanda M. Dezan, Azure J. Leyba, Janna L. Friedly, Aaron E. Bunnell, Eva Matthews, Maureen J. Miller, Elizabeth R. Unger, Jeanne Bertolli, Alison Hinckley, Jin-Mann S. Lin, John D. Scott, Bruce B. Struminger, Christian Ramers

Open Access Letter

A response to Al et al. Trials 2023;24:233

Jon F. Merz

Open Access Study protocol

Testing pathways to scale: study protocol for a three-arm randomized controlled trial of a centralized and a decentralized (“Train the Trainers”) dissemination of a mental health program for Kenyan adolescents

Brenda Ochuku, Tom L. Osborn, Daisy Nerima, Afra van der Markt, Thomas Rusch, Herman Omune, Solace Akello, David M. Ndetei, Katherine E. Venturo-Conerly

Open Access Study protocol

A pragmatic, open-label, multi-center, randomized controlled clinical trial on the rotational use of interfaces vs standard of care in patients treated with noninvasive positive pressure ventilation for acute hypercapnic respiratory failure: the ROTAtional-USE of interface STUDY (ROTA-USE STUDY)

Rosanna Vaschetto, Cesare Gregoretti, Lorenza Scotti, Nello De Vita, Annalisa Carlucci, Andrea Cortegiani, Claudia Crimi, Alessio Mattei, Raffaele Scala, Eduardo Rocca, Federico Longhini, Gianmaria Cammarota, Giovanni Misseri, Alberto Dal Molin, Sabino Scolletta, Stefano Nava, Salvatore Maurizio Maggiore, Paolo Navalesi

Open Access Study protocol

Prevention of incisional hernia after kidney transplantation: study protocol for a randomized controlled trial

Victoria Gómez-Dos-Santos, José Antonio López-Plaza, José Manuel Molina-Villar, Luis Blázquez-Hernando, Víctor Diez-Nicolás, Miguel Jiménez-Cidre, Belén Porrero-Guerrero, Rafael Rodríguez-Patrón, Fernando Arias-Fúnez, Alfonso Muriel-García, José María Fernández-Cebrián, Francisco Javier Burgos-Revilla

Open Access Correction

Correction: The Transdiagnostic Intervention for Sleep and Circadian Dysfunction (TranS‑C) for serious mental illness in community mental health part 1: study protocol for a hybrid type 2 effectiveness‑implementation cluster‑randomized trial

Laurel D. Sarfan, Emma R. Agnew, Marlen Diaz, Lu Dong, Krista Fisher, Julia M. Spencer, Shayna A. Howlett, Rafael Esteva Hache, Catherine A. Callaway, Amy M. Kilbourne, Daniel J. Buysse, Allison G. Harvey

Open Access Correction

Correction: End-ischemic hypothermic oxygenated perfusion for extended criteria donors in liver transplantation: a multicenter, randomized controlled trial—HOPExt

Pierre Pradat, Solene Pantel, Marianne Maynard, Laure Lalande, Sylvie Thevenon, Rene Adam, Marc-Antoine Allard, Fabien Robin, Michel Rayar, Emmanuel Boleslawski, Olivier Scatton, Mircea Chirica, François Faitot, Philippe Bachellier, Olivier Soubrane, Kayvan Mohkam, Jean-Yves Mabrut, Mickaël Lesurtel

Open Access Study protocol

Gamified family-based health exercise intervention to improve adherence to 24-h movement behaviors recommendations in children: “3, 2, 1 Move on Study”

Alicia M. Alonso-Martínez, Gaizka Legarra-Gorgoñon, Yesenia García-Alonso, Robinson Ramírez-Vélez, Loreto Alonso-Martínez, Blanca Erice-Echegaray, Mikel Izquierdo

Open Access Study protocol

Effects of multimodal exercise program on postural balance in patients with chronic obstructive pulmonary disease: study protocol for a randomized controlled trial

Tamires Daros dos Santos, Adriane Schmidt Pasqualoto, Dannuey Machado Cardoso, Ivana Beatrice Mânica Da Cruz, Rafael Noal Moresco, Aron Ferreira da Silveira, Isabella Martins de Albuquerque

Open Access Study protocol

Prehabilitation in older patients prior to elective cardiac procedures (PRECOVERY): study protocol of a multicenter randomized controlled trial

Carolin Steinmetz, Stephanie Heinemann, Ingo Kutschka, Gerd Hasenfuß, Thomas Asendorf, Bjoern Andrew Remppis, Ernst Knoglinger, Clemens Grefe, Johannes Maximilian Albes, Hassina Baraki, Christian Baumbach, Susanne Brunner, Susann Ernst, Wolfgang Harringer, Dirk Heider, Daniela Heidkamp, Christoph Herrmann-Lingen, Eva Hummers, Thomas Kocar, Hans-Helmut König, Simone Krieger, Andreas Liebold, Andreas Martens, Marcus Matzeder, Friedrich Mellert, Christiane Müller, Miriam Puls, Nils Reiss, Martin Schikora, Thomas Schmidt, Martin Vestweber, Monika Sadlonova, Christine A. F. von Arnim, Michael Denkinger, Oliver Dewald, Michael Don, Julia Frankenhauser-Manuß, Christine Kleber-Peukert, Anna-Maria Kloidt, Tim Matthes, Annemieke Munderloh, Elisabeth Schieffer

Open Access Study protocol

The effect of a customised digital adherence tool on HIV treatment outcomes in young people living with HIV (YPLHIV) in Blantyre, Malawi: a protocol for a randomised controlled trial

Takondwa Charles Msosa, Iraseni Swai, Marion Sumari-de Boer, Kennedy Ngowi, Tobias F. Rinke de Wit, Rob Aarnoutse, Marriott Nliwasa

Open Access Study protocol

Volume-targeted ventilation vs pressure-controlled ventilation for very low birthweight infants: a protocol of a randomized controlled trial

Jun Tang, Lingyue Gong, Tao Xiong, Chao Chen, Ke Tian, Aoyu Wang, Yi Huang, Wenli Liu, Rong Zhou, Jun Zhu, Dezhi Mu

Open Access Commentary

What is the role of randomised trials in implementation science?

Robbie Foy, Noah M. Ivers, Jeremy M. Grimshaw, Paul M. Wilson

Open Access Study protocol

Sickle Cell Disease Treatment with Arginine Therapy (STArT): study protocol for a phase 3 randomized controlled trial

Chris A. Rees, David C. Brousseau, Daniel M. Cohen, Anthony Villella, Carlton Dampier, Kathleen Brown, Andrew Campbell, Corrie E. Chumpitazi, Gladstone Airewele, Todd Chang, Christopher Denton, Angela Ellison, Alexis Thompson, Fahd Ahmad, Nitya Bakshi, Keli D. Coleman, Sara Leibovich, Deborah Leake, Dunia Hatabah, Hagar Wilkinson, Michelle Robinson, T. Charles Casper, Elliott Vichinsky, Claudia R. Morris

Open Access Update

Statistical analysis plan for a randomized controlled trial examining pedometer-based walking intervention in patients with heart failure with reduced ejection fraction: the WATCHFUL trial

Tomas Vetrovsky, Michal Siranec, Tereza Frybova, Iulian Gant, Miroslav Semerad, Marie Miklikova, Vaclav Bunc, Jiri Vesely, Jiri Stastny, Martin Griva, Jan Precek, Radek Pelouch, Jiri Parenica, Jiri Jarkovsky, Jan Belohlavek

Open Access Study protocol

The role of the communicated treatment rationale on treatment outcome: study protocol for a randomized controlled trial

Liv Henrich, Marcel Wilhelm, Philipp Lange, Winfried Rief

Open Access Study protocol

A multicenter noninferior randomized controlled study comparing the efficacy of laparoscopic versus abdominal radical hysterectomy for cervical cancer (stage IB3 and IIA2): study protocol of the LAUNCH 3 trial

Xin Wu, Hailin Yu, Yongrui Bai, Yanli Hou, Weihua Lou, Xipeng Wang, Tao Zhu, Yuyang Zhang, Weiguo Hu, Xiaohong Xue, Zhiling Zhu, Libing Xiang, Jiarui Li, Xuhong Fang, Shujun Gao, Hua Feng, Wenjing Diao, Hongwei Zhang, Ming Du, Weili Yan, Ling Qiu, Hao Feng, Shurong Zhu, Yan Du, Hua Jiang

Open Access Research

Rating versus ranking in a Delphi survey: a randomized controlled trial

Claudio Del Grande, Janusz Kaczorowski

Open Access Study protocol

Clinical trial protocol for P-NeLoP: a randomized controlled trial comparing the feasibility and outcomes of robot-assisted partial nephrectomy with low insufflation pressure using AirSeal versus standard insufflation pressure (UroCCR no. 85 study)

Gaelle Margue, Pierre Bigot, Alexandre Ingels, Morgan Roupret, Thibaut Waeckel, Jean-Alexandre Long, Géraldine Pignot, Karim Bensalah, Hervé Lang, Jonathan Olivier, Franck Bruyere, Matthieu Durand, Jean-Baptiste Beauval, Richard Mallet, Bastien Parier, Alexandre De La Taille, Jean-Christophe Bernhard

Open Access Study protocol

Effect of postoperative application of esketamine on postoperative depression and postoperative analgesia in patients undergoing pancreatoduodenectomy: a randomized controlled trial protocol

Kaili Yu, Zhenguo Song, Bowen Zhang, Qian Pan, Shan Gan, Shaoyong Yang, Quanyong Yang, Xinhua Zuo, Yiqing Yin

Open Access Study protocol

Effects of a remotely supervised physical training program combined with cognitive training for older individuals at increased risk of clinical-functional vulnerability: study protocol for a randomized clinical trial

Franciele Costa Berní, Ana Carolina Kanitz, Camila Miranda, Dener Budziarek de Oliveira, Marco Bergamin, Valentina Bullo, Gustavo Zaccaria Schaun, Cristine Lima Alberton

Open Access Study protocol

The Growth Hormone Deficiency (GHD) Reversal Trial: effect on final height of discontinuation versus continuation of growth hormone treatment in pubertal children with isolated GHD—a non-inferiority Randomised Controlled Trial (RCT)

Elizabeth Brettell, Wolfgang Högler, Rebecca Woolley, Carole Cummins, Jonathan Mathers, Raymond Oppong, Laura Roy, Adam Khan, Charmaine Hunt, Mehul Dattani, Ken Ong, Malcolm Donaldson, Victoria Harris, Mohamad Maghnie, John Gregory, Peter Auguste, Gerhard Binder, Carrol Gambol, Poonam Dhamaraj, Evelien Gevers, Vrinda Saraff, Peter Clayton, Tabitha Randell, Talat Mushtaq, Timothy Cheetham, Justin Davies, Noina Abid, Ranna El Khairi, Klaus Kapelari, Elena Gottardi-Butturini, Elke Reiterer-Fröhlich, Walter Bonfig

Open Access Study protocol

Complex physical therapy employing self-adjusting garment (ReadyWrap®) in breast cancer-related lymphedema cases in Brazilian women: a protocol for a randomized controlled trial

Jéssica Malena Pedro da Silva, Raul Denner Duarte Araújo, Francisca Cristina da Silva Santos, Erica Alves Nogueira Fabro, Marcus Vinicius de Mello Pinto, Suzana Sales de Aguiar, Luiz Claudio Santos Thuler, Anke Bergmann

Open Access Study protocol

Community-based integrated care for patients with diabetes and depression (CIC-PDD): study protocol for a cluster randomized controlled trial

Yanshang Wang, Dan Guo, Ming Wang, Mingzheng Hu, Dawei Zhu, Qianqian Yu, Zhansheng Li, Xiaoyi Zhang, Ruoxi Ding, Miaomiao Zhao, Ping He

Open Access Study protocol

A randomized control trial to support smoke-free policy compliance in public housing

Diana Hernandez, Farzana Khan, David Albert, Daniel Giovenco, Charles Branas, Linda Valeri, Ana Navas-Acien

Open Access Study protocol

Protocol of a multicenter, single-blind, randomized, parallel controlled trial evaluating the effect of microbiological rapid on-site evaluation (M-ROSE) guiding anti-infection treatment in patients with severe hospital-acquired pneumonia

Xiuli Wang, Kaifei Wang, Fei Xie, Zhihai Han, Yuhong Liu, Lei Pan, Guangfa Zhu, Zhixin Cao, Peng Yan, Li Xiao, Zhimei Duan, Ye Hu, Kun Xiao, Xuxin Chen, Han Fu, Yinghan Shi, Yuwei Song, Xiaobo Han, Wuxiang Xie, Lixin Xie

Open Access Study protocol

Study protocol: effects of treatment expectation toward repetitive transcranial magnetic stimulation (rTMS) in major depressive disorder—a randomized controlled clinical trial

Katharina M. Steiner, Dagmar Timmann, Ulrike Bingel, Angelika Kunkel, Tamas Spisak, Manfred Schedlowski, Sven Benson, Harald Engler, Norbert Scherbaum, Katja Koelkebeck

Open Access Study protocol

Technology-assisted cognitive-behavior therapy delivered by peers versus standard cognitive behavior therapy delivered by community health workers for perinatal depression: study protocol of a cluster randomized controlled non-inferiority trial

Atif Rahman, Abid Malik, Najia Atif, Huma Nazir, Ahmed Zaidi, Anum Nisar, Ahmed Waqas, Maria Sharif, Tao Chen, Duolao Wang, Siham Sikander

Open Access Methodology

The Smooth Away From Expected (SAFE) non-inferiority frontier: theory and implementation with an application to the D3 trial

Matteo Quartagno, Man Chan, Anna Turkova, Deborah Ford, Ian R. White

Open Access Study protocol

The effects of therapeutic virtual reality experience to promote mental well-being in older people living with physical disabilities in long-term care facilities

Rick Yiu Cho Kwan, Fowie Ng, Linda Chiu Wa Lam, Rebecca Choy Yung, Olive Shuk Kan Sin, Sally Chan

Open Access Study protocol

Effect of preoperative coronary CT for planning of percutaneous coronary intervention for complex chronic total occlusion (CTS-C-CTOPCI): study protocol for an open-label randomised controlled trial

Eugenio La Scala, Jean-Pascal Peyre, Eric Maupas, Jacobus H. Muller, Mo Saffarini, Alfredo Galassi, Giuseppe Vadalà, Luca Grancini, Daniele Andreini, Antoine Boge, Jerome Brunet

Open Access Study protocol

Proton pump inhibitors in critically ill mechanically ventilated patients with COVID-19: protocol for a substudy of the Re-EValuating the Inhibition of Stress Erosions (REVISE) Trial

Brittany B. Dennis, Lehana Thabane, Diane Heels-Ansdell, Joanna C. Dionne, Alexandra Binnie, Jennifer Tsang, Gordon Guyatt, Aijaz Ahmed, François Lauzier, Adam Deane, Yaseen Arabi, John Marshall, Nicole Zytaruk, Lois Saunders, Simon Finfer, John Myburgh, John Muscedere, Shane English, Marlies Ostermann, Miranda Hardie, Serena Knowles, Deborah Cook

Open Access Methodology

Evaluation of randomized controlled trials: a primer and tutorial for mental health researchers

Mathias Harrer, Pim Cuijpers, Lea K. J. Schuurmans, Tim Kaiser, Claudia Buntrock, Annemieke van Straten, David Ebert

Open Access Study protocol

Effect of high-intensity laser therapy in patients with non-specific chronic neck pain: study protocol for a randomized controlled trial

Hernán Andrés de la Barra Ortiz, Mariana Arias Avila, Luis Gómez Miranda, Richard Eloin Liebano

Open Access Study protocol

Biomechanical effect of neurologic dance training (NDT) for breast cancer survivors with chemotherapy-induced neuropathy: study protocol for a randomized controlled trial and preliminary baseline data

Kristen Lantis, Patrick Schnell, Courtney R. Bland, Jacqueline Wilder, Karen Hock, Craig Vargo, Nelson A. Glover, Madeleine E. Hackney, Maryam B. Lustberg, Lise Worthen-Chaudhari

Open Access Commentary

Time for a proper career pathway for clinical trial managers?

E. J. Mitchell, E. Campbell, K. Goodman, J. Taylor, N. F. J. Youssouf, N. Wakefield, Claire Cochran, Sarah Cockayne, Riti Desai, Lucy Fletcher, Sarah A. Lawton, Ryonfa Lee, Kat Oatey, Joshua Savage

Open Access Commentary

Optimizing data integration in trials that use EHR data: lessons learned from a multi-center randomized clinical trial

Sudha R. Raman, Laura G. Qualls, Bradley G. Hammill, Adam J. Nelson, Ester Kim Nilles, Keith Marsolo, Emily C. O’Brien

Open Access Study protocol

Effectiveness and safety of mesenchymal stem/stromal cell for radiation-induced hyposalivation and xerostomia in previous head and neck cancer patients (MESRIX-III): a study protocol for a single-centre, double-blinded, randomised, placebo-controlled, phase II study

Kathrine Kronberg Jakobsen, Amanda-Louise Fenger Carlander, Christian Grønhøj, Tobias Todsen, Jacob Melchiors, Natasja Paaske, Anne Kathrine Østergaard Madsen, Jens Kastrup, Annette Ekblond, Mandana Haack-Sørensen, Mohammad Farhadi, Christian Maare, Jeppe Friborg, Charlotte Duch Lynggard, Christian von Buchwald

Open Access Study protocol

The effect of perioperative of dexamethasone on postoperative complications after pancreaticoduodenectomy (PANDEX): a study protocol for a pragmatic multicenter randomized controlled trial

Haoda Chen, Ying Wang, Chao Wang, Xiaojian Lu, Yilong Li, Bei Sun, Kuirong Jiang, Yudong Qiu, Rufu Chen, Liping Cao, Shi Chen, Yan Luo, Baiyong Shen

Open Access Study protocol

The impact of PECS II blockade in patients undergoing minimally invasive cardiac surgery—a prospective, randomized, controlled, and triple-blinded trial

Elisabeth Hoerner, Ottokar Stundner, Felix Naegele, Anna Fiala, Nikolaos Bonaros, Peter Mair, Johannes Holfeld, Lukas Gasteiger

Open Access Letter

Motivations for paediatric vaccine trial participation

Kushalinii Hillson, Jonathan Kantor, Marta Valente Pinto, Andrew J. Pollard, Dominic Kelly, Samantha Vanderslott

Open Access Study protocol

PHaLIR: prevent hernia after loop ileostomy reversal—a study protocol for a randomized controlled multicenter study

Karolina Eklöv, Sven Bringman, Jenny Löfgren, Jonas Nygren, Åsa H. Everhov

Open Access Study protocol

Concordance of a decision algorithm and multidisciplinary team meetings for patients with liver cancer—a study protocol for a randomized controlled trial

Sharlyn S. T. Ng, Robert Oehring, Nikitha Ramasetti, Roland Roller, Philippe Thomas, Yuxuan Chen, Simon Moosburner, Axel Winter, Max-Magnus Maurer, Timo A. Auer, Can Kamali, Johann Pratschke, Christian Benzing, Felix Krenzien

Open Access Letter

A small clinical trial of vaporized cannabis for PTSD: suggestive results and directions for future study

Zach Walsh, Ian Mitchell, Kim Crosby, Michelle St. Pierre, Drew DeClerck, Kaye Ong, Philippe Lucas

Open Access Study protocol

Precise management system for chronic intractable pain patients implanted with spinal cord stimulation based on a remote programming platform: study protocol for a randomized controlled trial (PreMaSy study)

Yuanchen Cheng, Duo Xie, Yan Han, Siying Guo, Zhenxing Sun, Linkai Jing, Weitao Man, Dongkang Liu, Kaiyuan Yang, Dan Lei, Zhe Meng, Huifang Zhang, Guoqin Wang, Weiwei Wu, Guihuai Wang, Yang Lu

Open Access Study protocol

The effect of smartphone-based monitoring and treatment including clinical feedback versus smartphone-based monitoring without clinical feedback in bipolar disorder: the SmartBipolar trial—a study protocol for a randomized controlled parallel-group trial

Maria Faurholt-Jepsen, Natacha Blauenfeldt Kyster, Malene Schwarz Dyreholt, Ellen Margrethe Christensen, Pernille Bondo-Kozuch, Anna Skovgaard Lerche, Birte Smidt, Ulla Knorr, Kim Brøndmark, Anne-Marie Bangsgaard Cardoso, Anja Mathiesen, Rene Sjælland, Henrik Nørbak-Emig, Lotte Linnemann Sponsor, Darius Mardosas, Ida Palmblad Sarauw-Nielsen, Jens Drachmann Bukh, Trine Vøgg Heller, Mads Frost, Nanna Iversen, Jakob Eyvind Bardram, Jonas Busk, Maj Vinberg, Lars Vedel Kessing

Open Access Study protocol

A treatment strategy with nifedipine versus labetalol for women with pregnancy hypertension: study protocol for a randomised controlled trial (Giant PANDA)

Danielle Ashworth, Cheryl Battersby, Debra Bick, Marcus Green, Pollyanna Hardy, Lisa Leighton, Laura A. Magee, Alisha Maher, Richard J. McManus, Catherine Moakes, R. Katie Morris, Catherine Nelson-Piercy, Jenie Sparkes, Oliver Rivero-Arias, Andrew Webb, Hannah Wilson, Jenny Myers, Lucy C. Chappell

Open Access Study protocol

Managing non-acute subdural hematoma using liquid materials: a Chinese randomized trial of middle meningeal artery treatment (MAGIC-MT)—protocol

Qiao Zuo, Wei Ni, Pengfei Yang, Yuxiang Gu, Ying Yu, Heng Yang, Charles B. L. M. Majoie, Mayank Goyal, Jianmin Liu, Ying Mao

Open Access Study protocol

Protocol of the process evaluation of cluster randomised control trial for estimating the effectiveness and cost-effectiveness of a complex intervention to increase care home staff influenza vaccination rates compared to usual practice (FluCare)

Linda Birt, Thando Katangwe-Chigamba, Sion Scott, David J Wright, Adam P. Wagner, Erika Sims, Veronica Bion, Carys Seeley, Faisal Alsaif, Allan Clarke, Alys Griffiths, Liz Jones, Alison Bryant, Amrish Patel

Open Access Study protocol

Increasing access to CBT for psychosis patients: study protocol for a randomised controlled trial evaluating brief, targeted CBT for distressing voices delivered by assistant psychologists (GiVE3)

Mark Hayward, Katherine Berry, Stephen Bremner, Kate Cavanagh, Guy Dodgson, David Fowler, Heather Gage, Kathryn Greenwood, Cassie Hazell, Anna-Marie Bibby-Jones, Sam Robertson, Morro Touray, Natalie Dailey, Clara Strauss

Open Access Study protocol

SPIOMET4HEALTH—efficacy, tolerability and safety of lifestyle intervention plus a fixed dose combination of spironolactone, pioglitazone and metformin (SPIOMET) for adolescent girls and young women with polycystic ovary syndrome: study protocol for a multicentre, randomised, double-blind, placebo-controlled, four-arm, parallel-group, phase II clinical trial

Cristina Garcia-Beltran, Rita Malpique, Marianne S. Andersen, Firdevs Bas, Judit Bassols, Feyza Darendeliler, Marta Díaz, Barbara Dieris, Flaminia Fanelli, Elke Fröhlich-Reiterer, Alessandra Gambineri, Dorte Glintborg, Abel López-Bermejo, Christopher Mann, Silvia Marin, Barbara Obermayer-Pietsch, Rønnaug Ødegård, Pernille Ravn, Thomas Reinehr, Matteo Renzulli, Cristina Salvador, Viola Singer, Eszter Vanky, Juan Vicente Torres, Melek Yildiz, Francis de Zegher, Lourdes Ibáñez

Open Access Study protocol

CRADLE-5: a stepped-wedge type 2 hybrid implementation-effectiveness cluster randomised controlled trial to evaluate the real-world scale-up of the CRADLE Vital Signs Alert intervention into routine maternity care in Sierra Leone—study protocol

Alexandra E. Ridout, Francis L. Moses, Simren Herm-Singh, Cristina Fernandez Turienzo, Paul T. Seed, Venetia Goodhart, Nicola Vousden, Betty Sam, Mariama Momoh, Daniel Kamara, Katy Kuhrt, Sorie Samura, Candace Beoku-Betts, Alice Hurrell, Kate Bramham, Sartie Kenneh, Francis Smart, Lucy Chappell, Jane Sandall, Andrew Shennan

Open Access Study protocol

Q-HAM: a multicenter upfront randomized phase II trial of quizartinib and high-dose Ara-C plus mitoxantrone in relapsed/refractory AML with FLT3-ITD

Sonia Jaramillo, Lucian Le Cornet, Markus Kratzmann, Johannes Krisam, Martin Görner, Mathias Hänel, Christoph Röllig, Maxi Wass, Sebastian Scholl, Mark Ringhoffer, Alexander Reichart, Björn Steffen, Sabine Kayser, Jan-Henrik Mikesch, Kerstin Schaefer-Eckart, Jörg Schubert, Thomas Geer, Sonja Martin, Meinhard Kieser, Tim Sauer, Katharina Kriegsmann, Michael Hundemer, Hubert Serve, Martin Bornhäuser, Carsten Müller-Tidow, Richard F. Schlenk

Open Access Study protocol

A mHealth intervention to reduce perceived stress in patients with ischemic heart disease: study protocol of the randomized, controlled confirmatory intervention “mStress-IHD” trial

Julia Lortz, Tienush Rassaf, Christoph Jansen, Ramtin Knuschke, Adam Schweda, Lenka Schnaubert, Christos Rammos, Juliane Köberlein-Neu, Eva-Maria Skoda, Martin Teufel, Alexander Bäuerle

Open Access Study protocol

A double-blind, randomised, placebo-controlled parallel study to investigate the effect of sex and dietary nitrate on COVID-19 vaccine-induced vascular dysfunction in healthy men and women: protocol of the DiNOVasc-COVID-19 study

Asad Shabbir, Ismita Chhetri, Rayomand S. Khambata, Tipparat Parakaw, Clement Lau, Muhammad A. B. N. Aubdool, Gianmichele Massimo, Nicki Dyson, Vikas Kapil, Thomas Godec, Vanessa Apea, Jan Flint, Chloe Orkin, Krishnaraj S. Rathod, Amrita Ahluwalia

Open Access Study protocol

Prospective randomized study on the efficacy of three-dimensional reconstructions of bronchovascular structures on preoperative chest CT scan in patients who are candidates for pulmonary segmentectomy surgery: the PATCHES (Prospective rAndomized sTudy efficaCy of tHree-dimensional rEconstructions Segmentecomy) study protocol

Francesco Zaraca, Andreas Kirschbaum, Marco Damiano Pipitone, Luca Bertolaccini, Firas Abu Akar, Giorgio Cannone, Mahmoud Ismail, Marcelo Jiménez, Marko Kostic, Calvin S.H. Ng, Reinhold Perkmann, Elena Priscindaro, Lorenzo Spaggiari, Paula Ugalde

Open Access Study protocol

Reducing antimicrobial overuse through targeted therapy for patients with community-acquired pneumonia: a study protocol for a cluster-randomized factorial controlled trial (CARE-CAP)

Abhishek Deshpande, Ramara Walker, Rebecca Schulte, Andrea M. Pallotta, Larisa G. Tereshchenko, Bo Hu, Sameer S. Kadri, Michael Klompas, Michael B. Rothberg

Open Access Study protocol

Protocol for a randomized control trial of the Building Regulation in Dual Generations Program (BRIDGE): preventing the intergenerational transmission of mental illness in at-risk preschool children

Lara Penner-Goeke, Madeline Belows, Amanda Kristjanson, Brendan F. Andrade, Emily E. Cameron, Ryan Giuliano, Laurence Y. Katz, Lauren E. Kelly, Nicole Letourneau, Natalie Mota, Kristin Reynolds, Maureen Zalewski, Ashley Pharazyn, Leslie E. Roos

Open Access Correction

Correction: Development and evaluation of rapid data-enabled access to routine clinical information to enhance early recruitment to the national clinical platform trial of COVID-19 community treatments

Caroline Cake, Emma Ogburn, Heather Pinches, Garry Coleman, David Seymour, Fran Woodard, Sinduja Manohar, Marjia Monsur, Martin Landray, Gaynor Dalton, Andrew D. Morris, Patrick F. Chinnery, F. D. Richard Hobbs, Christopher Butler

Open Access Study protocol

Protocol for a single-blind randomized clinical trial to test the efficacy of bilateral transcranial magnetic stimulation on upper extremity motor function in patients recovering from stroke

Yuan Huang, Ruizhu Lin, Hongyu Li, Yujuan Xu, Fubao Tian, Liangchen Ma, Xiaoli Liu, Shuming Ma, Xiaolong Li, Zheying Lai, Chuanping Bai, Weichun He, Qi Ma, Jingkai Wang, Ning Zhu

Open Access Study protocol

New ways to cope with depression—study protocol for a randomized controlled mixed methods trial of bouldering psychotherapy (BPT) and mental model therapy (MMT)

Leona Kind, Katharina Luttenberger, Vivien Leßmann, Lisa Dorscht, Christiane Mühle, Christian P. Müller, Eva-Maria Siegmann, Sophia Schneider, Johannes Kornhuber

Open Access Study protocol

Prospective identification of variables as outcomes for treatment (PIVOT): study protocol for a randomised, placebo-controlled trial of hydroxyurea for Ghanaian children and adults with haemoglobin SC disease

Luke R. Smart, Catherine I. Segbefia, Teresa S. Latham, Susan E. Stuber, Kwesi N. Amissah-Arthur, Klenam Dzefi-Tettey, Adam C. Lane, Yvonne A. Dei-Adomakoh, Russell E. Ware

Open Access Study protocol

Efficacy of the latest new stimulation patterns of spinal cord stimulation for intractable neuropathic pain compared to conventional stimulation: study protocol for a clinical trial

Takafumi Tanei, Satoshi Maesawa, Yusuke Nishimura, Yoshitaka Nagashima, Tomotaka Ishizaki, Masahiko Ando, Yachiyo Kuwatsuka, Atsushi Hashizume, Shimon Kurasawa, Ryuta Saito

Open Access Study protocol

Palliative care for persons with late-stage Alzheimer’s and related dementias and their caregivers: protocol for a randomized clinical trial

M. Toles, C. Kistler, F. C. Lin, M. Lynch, K. Wessell, S. L. Mitchell, L. C. Hanson

Open Access Study protocol

Effect of dexmedetomidine on postoperative delirium in patients undergoing awake craniotomies: study protocol of a randomized controlled trial

Muhan Li, Minying Liu, Qianyu Cui, Min Zeng, Shu Li, Liyong Zhang, Yuming Peng

Open Access Study protocol

Endoscopic ultrasonography-guided gastroenterostomy versus surgical gastrojejunostomy for palliation of malignant gastric outlet obstruction (ENDURO): study protocol for a randomized controlled trial

Janine B. Kastelijn, Yorick L. van de Pavert, Marc G. Besselink, Paul Fockens, Rogier P. Voermans, Roy L. J. van Wanrooij, Thomas R. de Wijkerslooth, Wouter L. Curvers, Ignace H. J. T. de Hingh, Marco J. Bruno, Bas Groot Koerkamp, Gijs A. Patijn, Alexander C. Poen, Jeanin E. van Hooft, Akin Inderson, J. Sven D. Mieog, Jan-Werner Poley, Alderina Bijlsma, Daan J. Lips, Niels G. Venneman, Robert C. Verdonk, Hendrik M. van Dullemen, Frederik J. H. Hoogwater, Geert W. J. Frederix, I. Quintus Molenaar, Paco M. J. Welsing, Leon M. G. Moons, Hjalmar C. van Santvoort, Frank P. Vleggaar

Open Access Study protocol

A study protocol for Project I-Test: a cluster randomized controlled trial of a practice coaching intervention to increase HIV testing in substance use treatment programs

Jemima A. Frimpong, Carrigan L. Parish, Daniel J. Feaster, Lauren K. Gooden, Mindy C. Nelson, Tim Matheson, Karolynn Siegel, Louise Haynes, Benjamin P. Linas, Sabrina A. Assoumou, Susan Tross, Tiffany Kyle, Terri K. Liguori, Oliene Toussaint, Debra Annane, Lisa R. Metsch

Open Access Study protocol

A randomised controlled trial in preterm infants comparing prophylactic with selective “less invasive surfactant administration” (pro.LISA)

Wolfgang Göpel, Tanja K. Rausch, Barbara Mitschdörfer, Silke Mader, Egbert Herting, Inke R. König, Guido Stichtenoth, Thomas Höhn, Anja Stein, Hagen Bayer, Susanne Schmidtke, Barabara Naust, Claudia Roll, Axel Franz, Moritz Wolff, Anna Siemes, Katja Schneider, Jana Katharina Dieks, Hans Fuchs, Thorsten Körner, Michael Schroth, Frank Dohle, Thomas Völkl, Christoph Härtel, Levente Bejo, Welfhard Schneider

Open Access Correction

Correction: Impact of an enhanced screening program on the detection of non-AIDS neoplasias in patients with human immunodeficiency virus infection

M. Masiá, S. Padilla, G. Estañ, J. Portu, A. Silva, A. Rivero, A. González-Cordón, L. García-Fraile, O. Martínez, E. Bernal, C. Galera, V. Boix Martínez, J. Macias, M. Montero, D. García-Rosado, M. J. Vivancos-Gallego, J. Llenas-García, M. Torralba, J. A. García, V. Agulló, M. Fernández-González, F. Gutiérrez, E. Martínez

Open Access Study protocol

RELEASE (REdressing Long-tErm Antidepressant uSE): protocol for a 3-arm pragmatic cluster randomised controlled trial effectiveness-implementation hybrid type-1 in general practice

Katharine A. Wallis, Maria Donald, Mark Horowitz, Joanna Moncrieff, Robert S. Ware, Joshua Byrnes, Karen Thrift, MaryAnne Cleetus, Idin Panahi, Nicholas Zwar, Mark Morgan, Chris Freeman, Ian Scott

Open Access Study protocol

Effect of a telerehabilitation exercise program versus a digital booklet with self-care for patients with chronic non-specific neck pain: a protocol of a randomized controlled trial assessor-blinded, 3 months follow-up

Juliene Corrêa Barbosa, Josielli Comachio, Amelia Pasqual Marques, Bruno Tirotti Saragiotto, Mauricio Oliveira Magalhaes

Open Access Study protocol

The effectiveness and cost-effectiveness of a group domestic abuse perpetrator programme: protocol for a randomised controlled trial

Karen Morgan, Mei-See Man, Rachael Bloomer, Madeleine Cochrane, Melissa Cole, Sandi Dheensa, Nathan Eisenstadt, Gene Feder, Daisy M. Gaunt, Rwth Leach, Rebecca Kandiyali, Sian Noble, Tim J. Peters, Beverly A. Shirkey, Helen Cramer

Open Access Correction

Correction: A cross-sectional survey of potential factors, motivations, and barriers influencing research participation and retention among people who use drugs in the rural USA

Angela T. Hetrick, April M. Young, Miriam R. Elman, Sarann Bielavitz, Rhonda L. Alexander, Morgan Brown, Elizabeth Needham Waddell, P. Todd Korthuis, Kathryn E. Lancaster

Open Access Study protocol

Assessment of implementation methods in sepsis: study protocol for a cluster-randomized hybrid type 2 trial

Hannah E. Frank, Laura Evans, Gary Phillips, RPhillip Dellinger, Jessyca Goldstein, Lori Harmon, David Portelli, Nima Sarani, Christa Schorr, Kathleen M. Terry, Sean R. Townsend, Mitchell M. Levy

Open Access Study protocol

Implementation and evaluation of a multi-level mental health promotion intervention for the workplace (MENTUPP): study protocol for a cluster randomised controlled trial

Ella Arensman, Mallorie Leduc, Cliodhna O’Brien, Paul Corcoran, Eve Griffin, Caleb Leduc, Evelien Coppens, Fotini Tsantila, Victoria Ross, Kahar Abdulla, Pia Hauck, Benedikt L. Amann, Birgit Aust, Arlinda Cerga Pashoja, Johanna Cresswell-Smith, Luigia D’Alessandro, Naim Fanaj, Birgit A. Greiner, Jeroen Luyten, Sharna Mathieu, Margaret Maxwell, Gentiana Qirjako, Hanna Reich, Sarita Sanches, Monika Ditta Tóth, Joseph Kilroy, Karen Michell, Nicola Reavley, David McDaid, Chantal Van Audenhove, Ainslie O’Connor, Ana Moreno-Alcázar, Andia Meksi, Andras Szekely, Anthony LaMontagne, Ariel Como, Arilda Dushaj, Asmae Doukani, Azucena Justicia, Bridget Hogg, Carolyn Holland, Charlotte Paterson, Chris Lockwood, Daniel Guinart, Doireann Ní Dhálaigh, Dooyoung Kim, Eileen Williamson, Eva Zsak, Genc Burazeri, Grace Cully, Grace Davey, György Purebl, Ilinca Serbanescu, Jaap van Weeghel, Juan Carlos Medina Alcaraz, Joe Eustace, Juliane Hug, Kairi Kõlves, Karen Mulcahy, Katherine Thomson, Kristian Wahlbeck, Lars de Winter, Laura Cox, Marta Fontana, Peter Trembeczky, Pia Driessen, Rebecca Lohmann-Devantier, Reiner Rugulies, Ruth Benson, Saara Rapeli, Sarah Ihinonvien, Sevim Mustafa, Stefan Hackel, Susan Alexander, Tanya King, Ulrich Hegerl, Vanda Scott, Wendy Orchard

Open Access Study protocol

A novel shared decision-making (SDM) tool for anticoagulation management in atrial fibrillation: protocol for a prospective, cluster randomized controlled trial

Mang-Mang Pan, Chi Zhang, Long Shen, Jing-Jing Sha, Hui Shen, Yi-Dan Yan, Jia Wang, Xin Wang, Hou-Wen Lin, Zhi-Chun Gu

Open Access Study protocol

Dual tracer navigation for lymph node dissection in laparoscopic radical gastrectomy (DANCE trial): a protocol for a prospective, randomized clinical trial

Yanjun Lu, Shichao Ai, Peng Song, Yan Sun, Xiaofei Shen, Feng Sun, Qiongyuan Hu, Zhiyan Li, Meng Wang, Xiaofeng Lu, Wenxian Guan, Song Liu

Open Access Study protocol

The impact of an oral nutritional supplement on body weight gain in older adults with malnutrition: an open-label randomized controlled trial

Ranil Jayawardena, Prasani Wickramawardhane, Chamila Dalpatadu, Andrew P. Hills, Priyanga Ranasinghe

Open Access Update

Frequency of screening and SBT Technique Trial—North American Weaning Collaboration (FAST-NAWC): an update to the protocol and statistical analysis plan

Karen E. A. Burns, Myriam Lafrienier-Roula, Nicholas S. Hill, Deborah J. Cook, Andrew J. E. Seely, Bram Rochwerg, Michael Mayette, Frederick D’Aragon, John W. Devlin, Peter Dodek, Maged Tanios, Audrey Gouskos, Alexis F. Turgeon, Pierre Aslanian, Ying Tung Sia, Jeremy R. Beitler, Robert Hyzy, Gerard J. Criner, Elias Baedorf Kassis, Jennifer L. Y. Tsang, Maureen O. Meade, Janice M. Liebler, Jessica T. Y. Wong, Kevin E. Thorpe

Open Access Study protocol

The antidepressant effect of intermittent theta burst stimulation (iTBS): study protocol for a randomized double-blind sham-controlled trial

Marte Christine Ørbo, Ole K. Grønli, Camilla Larsen, Torgil R. Vangberg, Oddgeir Friborg, Zsolt Turi, Matthias Mittner, Gabor Csifcsak, Per M. Aslaksen

Open Access Study protocol

A self-managed exercise therapy program for wrist osteoarthritis: study protocol for a randomized controlled trial

Sara L. Larsson, Elisabeth Ekstrand, Lars B. Dahlin, Anders Björkman, Elisabeth Brogren

Open Access Correction

Correction: Effects of half-dose spiomet treatment in girls with early puberty and accelerated bone maturation: a multicenter, randomized, placebo-controlled study protocol

Judit Bassols, Francis de Zegher, Marta Diaz, Gemma Carreras‑Badosa, Cristina Garcia‑Beltran, Elsa Puerto‑Carranza, Cora Oliver‑Vila, Paula Casano, Celine Alicia Franco, Rita Malpique, Abel Lopez‑Bermejo, Lourdes Ibanez

Open Access Correction

Correction: Modified prolonged exposure therapy as Early Intervention after Rape (The EIR-study): study protocol for a multicenter randomized add-on superiority trial

Tina Haugen, Joar Øveraas Halvorsen, Oddgeir Friborg, Melanie Rae Simpson, Paul Jarle Mork, Gustav Mikkelsen, Ask Elklit, Barbara O. Rothbaum, Berit Schei, Cecilie Hagemann

Open Access Study protocol

Delirium and neuropsychological recovery among emergency general surgery survivors (DANE): study protocol for a randomized controlled trial and collaborative care intervention

Sanjay Mohanty, Emma Holler, Damaris Ortiz, Ashley Meagher, Anthony Perkins, Peggy Bylund, Babar Khan, Frederick Unverzagt, Hupuing Xu, Angela Ingraham, Malaz Boustani, Ben Zarzaur

Open Access Commentary

Community-based management of a five-arm randomised clinical trial in COVID-19 outpatients in South Africa: challenges and opportunities

Nomathemba Chandiwana, Chelsea Kruger, Naomi Richardson, Sibongiseni Nxumalo, Nkoleleng Mashilo, Yengiwe Dineka, Ntanganedzeni Mudau, Hilary Johnstone, Wookyung Kim, Chung Ju, Sarah Arbe-Barnes, Anne Claire Marrast, Julia Flynn, Willem D. Francois Venter

Open Access Study protocol

Bacillus Calmette-Guérin vaccination as defense against SARS-CoV-2 (BADAS): a randomized controlled trial to protect healthcare workers in the USA by enhanced trained immune responses

Andrew R. DiNardo, Moshe Arditi, Ashish M. Kamat, Kent J. Koster, Santiago Carrero, Tomoki Nishiguchi, Maxim Lebedev, Aaron B. Benjamin, Pablo Avalos, Marisa Lozano, Madeleine G. Moule, Brittany McCune, Baysia Herron, Malik Ladki, Daanish Sheikh, Matthew Spears, Ivan A. Herrejon, Courtney Dodge, Sathish Kumar, Robert W. Hutchison, Theresa U. Ofili, Lynne A. Opperman, Jessica A. Bernard, Seth P. Lerner, George Udeani, Gabriel Neal, Mihai G. Netea, Jeffrey D. Cirillo

Open Access Study protocol

The effect of a tailored message package for reducing antibiotic use among respiratory tract infection patients in rural Anhui, China: a cluster randomized controlled trial protocol

Rong Liu, Qun Xue, Xiaoqin Guan, Guocheng Li, Tingting Zhang, Debin Wang, Linhai Zhao, Xingrong Shen

Open Access Commentary

Medicines and Healthcare products Regulatory Agency’s “Consultation on proposals for legislative changes for clinical trials”: a response from the Trials Methodology Research Partnership Adaptive Designs Working Group, with a focus on data sharing

Martin Law, Dominique-Laurent Couturier, Babak Choodari-Oskooei, Phillip Crout, Carrol Gamble, Peter Jacko, Philip Pallmann, Mark Pilling, David S. Robertson, Michael Robling, Matthew R. Sydes, Sofía S. Villar, James Wason, Graham Wheeler, S. Faye Williamson, Christina Yap, Thomas Jaki

Open Access Study protocol

COMPASS: deCOMPressing stomA and two-Stage elective resection vs. emergency reSection in patients with left-sided obstructive colon cancer

Mathieu Pecqueux, Marius Distler, Olga Radulova-Mauersberger, Ulrike Neckmann, Sandra Korn, Christian Praetorius, Johannes Fritzmann, Anna Klimova, Jürgen Weitz, Christoph Kahlert

Open Access Study protocol

The (cost) effectiveness of a very low-energy diet intervention with the use of eHealth in patients with type 2 diabetes and obesity: study protocol for a randomised controlled non-inferiority trial (E-diet trial)

Karlijn A. M. Geurts, Behiye Ozcan, Mandy van Hoek, Roel van de Laar, Jolande van Teeffelen, Joost van Rosmalen, Elisabeth F. C. van Rossum, Kirsten A. Berk

Open Access Study protocol

Prednisolone Versus Colchicine for Acute Gout in Primary Care (COPAGO): protocol for a two-arm multicentre, pragmatic, prospective, randomized, double-blind, controlled clinical trial of prednisolone and colchicine for non-inferiority with a parallel group design

Julia Truthmann, Julia Freyer Martins Pereira, Adrian Richter, Franziska Schuster, Amelie Witte, Susanne Böhm, Alexandra Greser, Petra Kamin, Sylvia Stracke, Marcus Dörr, Robin Bülow, Stefan Engeli, Ildikó Gágyor, Eva Hummers, Jean-François Chenot

Open Access Study protocol

Testing the combination of Feeling Safe and peer counselling against formulation-based cognitive behaviour therapy to promote psychological wellbeing in people with persecutory delusions: study protocol for a randomized controlled trial (the Feeling Safe-NL Trial)

Eva Tolmeijer, Felicity Waite, Louise Isham, Laura Bringmann, Robin Timmers, Arjan van den Berg, Hanneke Schuurmans, Anton B. P. Staring, Paul de Bont, Rob van Grunsven, Gert Stulp, Ben Wijnen, Mark van der Gaag, Daniel Freeman, David van den Berg

Open Access Study protocol

Empagliflozin and colchicine in patients with reduced left ventricular ejection fraction following ST-elevation myocardial infarction undergoing primary percutaneous coronary intervention: a study protocol for a randomized, double-blinded, three-arm parallel-group, controlled trial

Sajad Khiali, Mohammadreza Taban-Sadeghi, Parvin Sarbakhsh, Naser Khezerlouy-Aghdam, Hossein Namdar, Rezvanieh Salehi, Afra Rezagholizadeh, Taher Entezari-Maleki

Open Access Study protocol

Antidepressants for the prevention of depression following first-episode psychosis (ADEPP): study protocol for a multi-centre, double-blind, randomised controlled trial

Edward R. Palmer, Siân Lowri Griffiths, Ben Watkins, Tyler Weetman, Ryan Ottridge, Smitaa Patel, Rebecca Woolley, Sarah Tearne, Pui Au, Eleanor Taylor, Zara Sadiq, Hareth Al-Janabi, Barnaby Major, Charlotte Marriott, Nusrat Husain, Mohammad Zia Ul Haq Katshu, Domenico Giacco, Nicholas M. Barnes, James T. R. Walters, Thomas R. E. Barnes, Max Birchwood, Richard Drake, Rachel Upthegrove

Open Access Study protocol

Digital CBTI hubs as a treatment augmentation strategy in military clinics: study protocol for a pragmatic randomized clinical trial

Anne Germain, Megan Wolfson, Matthew S. Brock, Brian O’Reilly, Hunter Hearn, Shelley Knowles, Vincent Mysliwiec, Meredith L. Wallace

Open Access Letter

Response to Merz

Pepijn Al, Jamie Brehaut, Charles Weijer

Open Access Study protocol

Study protocol for a randomized, controlled, multicentre, pragmatic trial with Rehabkompassen®—a digital structured follow-up tool for facilitating patient-tailored rehabilitation in persons after stroke

Xiaolei Hu, Per Liv, Erik Lundström, Fredrik Norström, Olof Lindahl, Kristian Borg, Katharina S. Sunnerhagen

Open Access Study protocol

MITIG.RA: study protocol of a tailored psychological intervention for managing fatigue in rheumatoid arthritis randomized controlled trial

Cátia Duarte, Ruben L. F. Spilker, Cláudia Paiva, Ricardo J. O. Ferreira, José A. Pereira da Silva, Ana M. Pinto

Open Access Study protocol

Randomised controlled trial of the Community Navigator programme to reduce loneliness and depression for adults with treatment-resistant depression in secondary community mental health services: trial protocol

Theodora Stefanidou, Gareth Ambler, Gergely Bartl, Nick Barber, Jo Billings, Tumelo Bogatsu, Richard Carroll, Beverley Chipp, Maev Conneely, Anne-Marie Downey, Gamze Evlat, Rachael Hunter, Marie Le Novere, Glyn Lewis, Tanya Mackay, Steven Marwaha, Zubair Matin, Georgia Naughton, Chandani Nekitsing, Millie O’Sullivan, Vanessa Pinfold, Shengning Pan, Angela Sobers, Keith J. Thompson, Jerusaa Vasikaran, Martin Webber, Sonia Johnson, Brynmor Lloyd-Evans

Open Access Study protocol

Cerebral oximetry monitoring versus usual care for extremely preterm infants: a study protocol for the 2-year follow-up of the SafeBoosC-III randomised clinical trial

Marie Isabel Rasmussen, Mathias Lühr Hansen, Adelina Pellicer, Christian Gluud, Eugene Dempsey, Jonathan Mintzer, Simon Hyttel-Sørensen, Anne Marie Heuchan, Cornelia Hagmann, Ebru Ergenekon, Gabriel Dimitriou, Gerhard Pichler, Gunnar Naulaers, Guoqiang Cheng, Jakub Tkaczyk, Hans Fuchs, Monica Fumagalli, Saudamini Nesargi, Siv Fredly, Tomasz Szczapa, Anne Mette Plomgaard, Bo Mølholm Hansen, Janus Christian Jakobsen, Gorm Greisen

Open Access Correction

Correction: Surgical treatments for postamputation pain: study protocol for an international, double-blind, randomised controlled trial

Emily Pettersen, Paolo Sassu, Carina Reinholdt, Peter Dahm, Ola Rolfson, Anders Björkman, Marco Innocenti, Francesca Alice Pedrini, Juan Manuel Breyer, Aidan Roche, Andrew Hart, Lorraine Harrington, Adil Ladak, Hollie Power, Jacqueline Hebert, Max Ortiz-Catalan

Open Access Study protocol

A web-based educational therapy intervention associated with physical exercise to promote health in fibromyalgia in Brazil: the Amigos De Fibro (Fibro Friends) study protocol

Mateus Dias Antunes, Felipe Cayres Nogueira da Rocha Loures, Ingred Merllin Batista de Souza, Ariela Torres Cruz, Priscila de Oliveira Januário, Mara Maria Lisboa Santana Pinheiro, Ana Carolina Basso Schmitt, Elisa Frutos-Bernal, Ana María Martín-Nogueras, Amélia Pasqual Marques

Open Access Study protocol

Doxapram versus placebo in preterm newborns: a study protocol for an international double blinded multicentre randomized controlled trial (DOXA-trial)

Jarinda A. Poppe, Robert B. Flint, Anne Smits, Sten P. Willemsen, Kelly K. Storm, Debbie H. Nuytemans, Wes Onland, Marten J. Poley, Willem P. de Boode, Katherine Carkeek, Vincent Cassart, Luc Cornette, Peter H. Dijk, Marieke A. C. Hemels, Isabelle Hermans, Matthias C. Hütten, Dorottya Kelen, Ellen H. M. de Kort, André A. Kroon, Julie Lefevere, Katleen Plaskie, Breanne Stewart, Michiel Voeten, Mirjam M. van Weissenbruch, Olivia Williams, Inge A. Zonnenberg, Thierry Lacaze-Masmonteil, Arjan B.te Pas, Irwin K. M. Reiss, Anton H. van Kaam, Karel Allegaert, G. Jeroen Hutten, Sinno H. P. Simons

Open Access Research

e-Consent in UK academic-led clinical trials: current practice, challenges and the need for more evidence

E. J. Mitchell, D. Appelbe, A. Bravery, L. Culliford, H. Evans, A. J. Farrin, K. Gillies, K. Hood, S. B. Love, M. R. Sydes, P. R. Williamson, N. Wakefield

Open Access Study protocol

OCOSO2: study protocol for a single-blinded, multicentre, randomised controlled trial assessing a central venous oxygen saturation-based goal-directed therapy to reduce postoperative complications in high-risk patients after elective major surgery

Bruno Pastene, Matthieu Bernat, Karine Baumstark, Karine Bezulier, Yann Gricourt, Jean-Manuel De Guibert, Aude Charvet, Manon Colin, Marc Leone, Laurent Zieleskiewicz

Open Access Study protocol

Is a preoperative multidisciplinary team meeting (cost)effective to improve outcome for high-risk adult patients undergoing noncardiac surgery: the PREPARATION study—a multicenter stepped-wedge cluster randomized trial

Jacqueline E. M. Vernooij, Romijn M. Boerlage, Carine J. M. Doggen, Benedikt Preckel, Carmen D. Dirksen, Barbara L. van Leeuwen, Rutger J. Spruit, Suzanne Festen, Hanneke van der Wal-Huisman, Jean P. van Basten, Cor J. Kalkman, Nick J. Koning, Koene van der Sloot, Esther M. Dias, Jasper E. Kal, Marjolein C. O. van den Nieuwenhuyzen, Manuela di Biase, Martin Hagenaars, Bies Oedairadjsingh, Taco van den Ende, Michel Timmerman, Zjuul Segers, Dominique H. P. A. M. Schoester, Kristy M. J. Vons, A. Filius, Wim van Harten, Rudolf W. Poolman, Michel M. P. J. Reijnen, Peter G. Noordzij, Barbara C. van Munster

Open Access Research

Factors that influence women’s enrolment and ongoing participation in a partially decentralised randomised controlled dermatology trial: a qualitative interview study with participants in the SAFA (Spironolactone for Adult Female Acne) trial

Cherish Boxall, Susanne Renz, Zina Eminton, Jacqueline Nuttall, Alan Saji, Charlotte Cluff, Christopher Wilcox, Ingrid Muller, Alison M. Layton, Irene Soulsby, Miriam Santer

Open Access Study protocol

Effect of music breathing, a program based on mindful breathing and music listening therapy for promoting sense of coherence in young people: study protocol for a randomized controlled trial

Winnie Lai-Sheung Cheng, Anson Chui-Yan Tang, Mark Cheuk-Man Tsang, Lokki Lok-Ki Wong, Dag Körlin

Open Access Study protocol

An integrated personalized assistive devices approach to reduce the risk of foot ulcer recurrence in diabetes (DIASSIST): study protocol for a multicenter randomized controlled trial

Lisa E. Vossen, Jaap J. van Netten, Chantal D. Bakker, Heleen A. Berendsen, Tessa E. Busch-Westbroek, Edgar J. G. Peters, Louise W. E. Sabelis, Marcel G. W. Dijkgraaf, Sicco A. Bus

Open Access Study protocol

Randomized phase III trial evaluating motivational interviewing and text interventions to optimize adherence to breast cancer endocrine therapy (Alliance A191901): the GETSET protocol

Joannie Ivory, Stephanie B. Wheeler, Sarah Drier, Heather Gunn, David Zahrieh, Electra Paskett, Michelle Naughton, Rachel Wills, Kayla Swetel, Selina Chow, Katherine Reeder-Hayes

Open Access Study protocol

Minimally invasive versus open pancreatoduodenectomy for pancreatic and peri-ampullary neoplasm (DIPLOMA-2): study protocol for an international multicenter patient-blinded randomized controlled trial

Nine de Graaf, Anouk M. L. H. Emmen, Marco Ramera, Bergthor Björnsson, Ugo Boggi, Caro L. Bruna, Olivier R. Busch, Freek Daams, Giovanni Ferrari, Sebastiaan Festen, Jony van Hilst, Mathieu D’Hondt, Benedetto Ielpo, Tobias Keck, Igor E. Khatkov, Bas Groot Koerkamp, Daan J. Lips, Misha D. P. Luyer, J. Sven D. Mieog, Luca Morelli, I. Quintus Molenaar, Hjalmar C. van Santvoort, Mirjam A. G. Sprangers, Clarissa Ferrari, Johannes Berkhof, Patrick Maisonneuve, Mohammad Abu Hilal, Marc G. Besselink

Open Access Study protocol

A randomised controlled trial of clinical and cost-effectiveness of the PASS Plus intervention for young children with autism spectrum disorder in New Delhi, India: study protocol for the COMPASS trial

Reetabrata Roy, Kathy Leadbitter, Gemma Shields, Carol Taylor, Catherine Aldred, Monica Juneja, Sheffali Gulati, Vivek Vajaratkar, Linda Davies, Richard Emsley, Vikram Patel, Gauri Divan, Jonathan Green

Open Access Study protocol

Tailored interventions to improve adherence to medication in elderly patients with Parkinson’s disease: a study protocol for a randomized controlled trial (AdhCare)

Sarah Mendorf, Ulrike Teschner, Thomas Lehmann, Tino Prell, Hannah Maria Mühlhammer

Open Access Study protocol

Effect of short-term compression therapy after thermal ablation for varicose veins: study protocol for a prospective, multicenter, non-inferiority, randomized controlled trial

Mingjun Tang, Weihua Jiang, Jin Hong, Lubing Li, Dan Shang, Yue Zhao, Zhenjie Liu, Ming Qi, Mingjuan Jin, Yuefeng Zhu

Open Access Research

Recruiting women with ductal carcinoma in situ to a randomised controlled trial: lessons from the LORIS study

Sally Wheelwright, Lucy Matthews, Valerie Jenkins, Shirley May, Daniel Rea, Pat Fairbrother, Claire Gaunt, Jennie Young, Sarah Pirrie, Matthew G. Wallis, Lesley Fallowfield, John M. S. Bartlett, Lucinda Billingham, Sarah Bowden, Samantha Brace-McDonnell, Cassandra Brookes, Henry Cain, David Dodwell, Andrew Evans, Patricia Fairbrother, Douglas Ferguson, Adele Francis, Andrew Hanby, Fiona Hoar, Simon Holt, Cliona Kirwan, Stuart McIntosh, Sarah E. Pinder, Malcolm Reed, Tracy Roberts, Jennifer Rusby, Nisha Sharma, Pauline Sibley, Jeremy Thomas, Maggie Wilcox

Open Access Study protocol

Evaluating an intervention to improve the safety and experience of transitions from hospital to home for older people (Your Care Needs You): a protocol for a cluster randomised controlled trial and process evaluation

Rebecca Lawton, Jenni Murray, Ruth Baxter, Gerry Richardson, Sarah Cockayne, Kalpita Baird, Laura Mandefield, Stephen Brealey, Jane O’Hara, Robbie Foy, Laura Sheard, Alison Cracknell, Edmund Breckin, Catherine Hewitt

Open Access Study protocol

The effectiveness of telehealth gait retraining in addition to standard physical therapy treatment for overuse knee injuries in soldiers: a protocol for a randomized clinical trial

Michael S. Crowell, Richard A. Brindle, Erin M. Miller, Nicholas Reilly, Kevin R. Ford, Donald L. Goss

Open Access Study protocol

Clinical Evaluation of MyoCare in Europe (CEME): study protocol for a prospective, multicenter, randomized, double-blinded, and controlled clinical trial

Cristina Alvarez-Peregrina, Miguel Angel Sanchez-Tena, Clara Martinez-Perez, Cesar Villa-Collar, Alejandro Montero-Torrejon, Alfredo Lopez-Muñoz, Alicia Ruiz-Hernandez, Ana Isabel Gonzalez-Abad, Antonio Manuel Santos-de-Melo, Beatriz de Corcuera Terrero, Beatriz Gargallo-Martinez, Carolina Mataix-Palao, Christina Boeck-Maier, Diego Asensio Celdran-Vivancos, Isabel Rodriguez, Javier Vega-Dominguez, João Manuel Martinho-Antunes, Jose Carlos Garay-Dominguez, Jose Ignacio Recalde-Zurita, Juan Luis Reina-Gallego, Laura Rocha, Manuel Lérida, Mariano Gonzalez-Perez, Patricia Silva-Carrola, Paula Alves-Silva, Ramon Gutierrez-Ortega, Raquel Blanco-Cotovio, Raul Manuel Maia, Siegfried Wahl, Timo Kratzer, Vladimiro Oliveira-Hipólito, Arne Ohlendorf

Open Access Study protocol

Comparing the effectiveness of extracorporeal shockwave therapy and myofascial release therapy in chronic pelvic pain syndrome: study protocol for a randomized controlled trial

Ningqing Huang, Zhi Qin, Wudong Sun, Kaiming Bao, Jingxian Zha, Peng Zhang, Panpan Feng, Xiaojun Zhao, Mengqian Liu, Jinjun Shi, Ming Ma

Open Access Study protocol

Using the multiphase optimization strategy to adapt cognitive processing therapy (CPT MOST): study protocol for a randomized controlled factorial experiment

Rebecca K. Sripada, Cassaundra L. Peterson, John J. Dziak, Inbal Nahum-Shani, Erika M. Roberge, Amber A. Martinson, Katherine Porter, Peter Grau, Diana Curtis, Sydney McElroy, Sarah Bryant, Isabel Gracy, Cosette Pryor, Heather M. Walters, Karen Austin, Carolina Ehlinger, Nina Sayer, Shannon Wiltsey-Stirman, Kathleen Chard

Open Access Study protocol

Diaphragmatic breathing combined with abdominal drawing-in maneuver for walking function in post-stroke patients: a randomized controlled study protocol

Jianqing Su, Yunrong Ding, Yanjun Cao, Zengqiao Zhang, Mengxue Sun, Yajuan Zhang, Kunpeng Li, Wu Wang

Open Access Study protocol

Cardiometabolic, functional, and psychosocial effects of a remotely supervised home-based exercise program in individuals with type 2 diabetes (RED study): study protocol for a randomized clinical trial

Samara Nickel Rodrigues, Rodrigo Sudatti Delevatti, Mauricio Tatsch Ximenes Carvalho, Valentina Bullo, Marco Bergamin, Cristine Lima Alberton

Open Access Commentary

Bad research is not all bad

Fergus Hamilton, David Arnold, Richard Lilford

Open Access Study protocol

CommunityRx, a social care assistance intervention for family and friend caregivers delivered at the point of care: two concurrent blinded randomized controlled trials

Emily M. Abramsohn, MariaDelSol De Ornelas, Soo Borson, Cristianne R. M. Frazier, Charles M. Fuller, Mellissa Grana, Elbert S. Huang, Jyotsna S. Jagai, Jennifer A. Makelarski, Doriane Miller, Dena Schulman-Green, Eva Shiu, Katherine Thompson, Victoria Winslow, Kristen Wroblewski, Stacy Tessler Lindau

Open Access Study protocol

Principle-Guided Psychotherapy for Children and Adolescents (FIRST): study protocol for a randomized controlled effectiveness trial in outpatient clinics

Abby Bailin, Evelyn Cho, Ariel Sternberg, Spencer C. Evans, Nathan L. Hollinsaid, Sarah Kate Bearman, John R. Weisz

Open Access Study protocol

The tooth movement efficiency of different orthodontic thermoplastics for clear aligners: study protocol for a randomized controlled clinical trial

Chuangchuang Mu, Bingjing Sun, Zhicheng Gong, Yuanyuan Wei, Li Chen, Wei Zhang, Haimiao Wu, Bingjiao Zhao

Open Access Study protocol

The Study of Ketamine for Youth Depression (SKY-D): study protocol for a randomised controlled trial of low-dose ketamine for young people with major depressive disorder

Orli S. Schwartz, Paul Amminger, Bernard T. Baune, Gillinder Bedi, Michael Berk, Sue M. Cotton, Rothanthi Daglas-Georgiou, Nick Glozier, Ben Harrison, Daniel F. Hermens, Emma Jennings, Jim Lagopoulos, Colleen Loo, Sumudu Mallawaarachchi, Donel Martin, Bethany Phelan, Nikki Read, Anthony Rodgers, Lianne Schmaal, Andrew A. Somogyi, Lily Thurston, Amber Weller, Christopher G. Davey

Open Access Correction

Correction: COMPASS: deCOMPressing stomA and two-Stage elective resection vs. emergency reSection in patients with left-sided obstructive colon cancer

Mathieu Pecqueux, Marius Distler, Olga Radulova-Mauersberger, Ulrike Neckmann, Sandra Korn, Christian Praetorius, Johannes Fritzmann, Anna Klimova, Jürgen Weitz, Christoph Kahlert

Open Access Study protocol

Community-based type 2 diabetes care by lay village health workers in rural Lesotho: protocol for a cluster-randomized trial within the ComBaCaL cohort study (ComBaCaL T2D TwiC)

Felix Gerber, Ravi Gupta, Thabo Ishmael Lejone, Thesar Tahirsylaj, Tristan Lee, Maurus Kohler, Maria Ines Haldemann, Fabian Räber, Mamakhala Chitja, Molulela Manthabiseng, Makhebe Khomolishoele, Mota Mota, Matumaole Bane, Pauline Mamorontsane Sematle, Retselisitsoe Makabateng, Madavida Mphunyane, Sejojo Phaaroe, Dave Basler, Kevin Kindler, Eleonora Seelig, Matthias Briel, Frédérique Chammartin, Niklaus Daniel Labhardt, Alain Amstutz

Open Access Study protocol

i-MoMCARE: Innovative Mobile Technology for Maternal and Child Health Care in Cambodia—study protocol of a cluster randomized controlled trial

Chan Hang Saing, Mengieng Ung, Sovanthida Suy, Sreymom Oy, Chhavarath Dary, Esabelle Lo Yan Yam, Sophea Chhorn, Michiko Nagashima-Hayashi, Dyna Khuon, Sovatha Mam, Rattana Kim, Vonthanak Saphonn, Siyan Yi

Open Access Study protocol

FOVOCIP study: a multicenter randomized trial of fosfomycin versus ciprofloxacin for febrile neutropenia in hematologic patients—efficacy and microbiologic safety

Ainhoa Fernández Moreno, Lucía Lavín-Alconero, Paula López de Ugarriza, Laura Solán Blanco, Sara Cáceres Hernández, Juan Miguel Bergua Burgués, María Izquierdo de Miguel, Ana Julia González Huerta, Marta Polo Zarzuela, Blanca Boluda, Karem Humala, Maria Luisa Calabuig, Maria Luz Amigo, Marián Cuesta Casas, María del Mar García-Saiz, Ana Fernández Verdugo, Javier Fernández Domínguez, Teresa Bernal

Open Access Study protocol

The effects of cerebral oximetry in mechanically ventilated newborns: a protocol for the SafeBoosC-IIIv randomised clinical trial

Maria Linander Vestager, Mathias Lühr Hansen, Marie Isabel Rasmussen, Gitte Holst Hahn, Simon Hyttel-Sørensen, Adelina Pellicer, Anne Marie Heuchan, Cornelia Hagmann, Eugene Dempsey, Gabriel Dimitriou, Gerhard Pichler, Gunnar Naulaers, Hans Fuchs, Jakub Tkaczyk, Jonathan Mintzer, Monica Fumagalli, Saudamini Nesargi, Siv Fredly, Tomasz Szczapa, Christian Gluud, Janus Christian Jakobsen, Gorm Greisen

Open Access Study protocol

Effectiveness and feasibility of a mobile health self-management intervention in rheumatoid arthritis: study protocol for a pragmatic multicentre randomised controlled trial (AEGORA)

Michaël Doumen, Elias De Meyst, Cedric Lefevre, Sofia Pazmino, Johan Joly, Delphine Bertrand, Mieke Devinck, René Westhovens, Patrick Verschueren

Open Access Study protocol

Effects of a physical exercise program on HIF-1α in people with Chronic Obstructive Pulmonary Disease living at high altitude: study protocol for a clinical trial

Wilder Villamil-Parra, Édgar Cristancho-Mejía, Joan Ramon Torrella, Erica Mabel Mancera-Soto

Open Access Correction

Correction: Total or partial tonsillar resection (tonsillectomy or tonsillotomy) to change the quality of life for adults with recurrent or chronic tonsillitis: study protocol for a randomised controlled trial

Aleksi Laajala, Paulus Tokola, Timo J. Autio, Timo Koskenkorva, Mikko Tastula, Pasi Ohtonen, Esa Läärä, Olli-Pekka Alho

Open Access Study protocol

Innovative and disruptive technologies to prescribe, encourage, and evaluate physical exercise in healthy adults: a protocol of exploratory study followed by a noninferiority, investigator-blinded randomized clinical trial

Fernanda Laís Loro, Riane Martins, Cintia Laura Pereira de Araújo, Lucio Rene Prade, Denis Lima do Rosário, Marcos César da Rocha Seruffo, Italo Adriano Moraes de Freitas, Jéferson Nobre, Cristiano Bonato Both, Pedro Dal Lago

Open Access Study protocol

Examining the impact of a universal social and emotional learning intervention (Passport) on internalising symptoms and other outcomes among children, compared to the usual school curriculum: study protocol for a school-based cluster randomised trial

Annie O’Brien, Suzanne Hamilton, Neil Humphrey, Pamela Qualter, Jan R. Boehnke, Joao Santos, Ola Demkowicz, Margarita Panayiotou, Alex Thompson, Jennifer Lau, Lauren Burke, Yizhuo Lu

Open Access Study protocol

EaveTubes for control of vector-borne diseases in Côte d’Ivoire: study protocol for a cluster randomized controlled trial

Raphael N’Guessan, Serge-Brice Assi, Alphonsine Koffi, Phamien Ludovic Ahoua Alou, Anatole Mian, Nicole L. Achee, Benedicte Fustec, John P. Grieco, Fang Liu, Santosh Kumar, Matthew Noffsinger, Ashley Hudson, Tim W. R. Möhlmann, Marit Farenhorst

Open Access Study protocol

Peer PrEP referral + HIV self-test delivery for PrEP initiation among young Kenyan women: study protocol for a hybrid cluster-randomized controlled trial

Njeri Wairimu, Rachel C. Malen, Adriana M. Reedy, Peter Mogere, Irene Njeru, Carlos Culquichicón, Maureen McGowan, Fei Gao, Jared M. Baeten, Kenneth Ngure, Katrina F. Ortblad

Open Access Study protocol

Lung UltrasouNd Guided surfactant therapy in preterm infants: an international multicenter randomized control trial (LUNG study)

Iuri Corsini, Javier Rodriguez-Fanjul, Francesco Raimondi, Luca Boni, Alberto Berardi, Victoria Aldecoa-Bilbao, Almudena Alonso-Ojembarrena, Gina Ancora, Salvatore Aversa, Renzo Beghini, Nerea Bilbao Meseguer, Letizia Capasso, Francesca Chesi, Martina Ciarcià, Ana Concheiro, Luigi Corvaglia, Benjamim Ficial, Luca Filippi, Jesus Fuentes Carballal, Monica Fusco, Sara Gatto, Gemma Ginovart, Rebeca Gregorio-Hernández, Gianluca Lista, Manuel Sánchez-Luna, Silvia Martini, Luca Massenzi, Francesca Miselli, Domenica Mercadante, Fabio Mosca, Marta Teresa Palacio, Alessandro Perri, Francesca Piano, Marcelino Pumarada Prieto, Lorena Rodeno Fernandez, Francesco Maria Risso, Marilena Savoia, Alex Staffler, Giovanni Vento, Carlo Dani

Open Access Review

How is overall survival assessed in randomised clinical trials in cancer and are subsequent treatment lines considered? A systematic review

Kara-Louise Royle, David Meads, Jennifer K. Visser-Rogers, Ian R. White, David A. Cairns

Open Access Update

Intratracheal budesonide mixed with surfactant to increase survival free of bronchopulmonary dysplasia in extremely preterm infants: statistical analysis plan for the international, multicenter, randomized PLUSS trial

Kate L Francis, Christopher J D McKinlay, C Omar F Kamlin, Jeanie L Y Cheong, Peter A Dargaville, Jennifer A Dawson, Lex W Doyle, Susan E Jacobs, Peter G Davis, Susan M Donath, Brett J Manley

Open Access Study protocol

Effectiveness of the holistic primary school-based intervention MindMatters: study protocol for a cluster-randomised controlled trial

Lisa Fischer, Katharina Liegmann, Matthis Morgenstern, Kevin Dadaczynski

Open Access Study protocol

Personalising genetic counselling (POETIC) trial: Protocol for a hybrid type II effectiveness-implementation randomised clinical trial of a patient screening tool to improve patient empowerment after cancer genetic counselling

Laura E. Forrest, Erin Tutty, Anurika P. De Silva, Lara Petelin, Amy Ruscigno, Rebecca Purvis, Katrina Monohan, Maira Kentwell, Adrienne Sexton, Lesley Stafford, Paul A. James

Open Access Study protocol

Single-session intervention on growth mindset on negative emotions for university student mental health (U-SIGMA): a protocol of two-armed randomized controlled trial

Shimin Zhu, Yuxi Hu, Di Qi, Nan Qin, Xinli Chi, Jiawen Luo, Jie Wu, Hua Huang, Qiaobing Wu, Lu Yu, Shiguang Ni, Kyra Hamilton, Samson Tse

Open Access Study protocol

Effects of proprioceptive training on gait and plantar pressure after anterior cruciate ligament reconstruction: study protocol for a randomized controlled trial

Zhao Xiaojun, Ma Ming, Guo Jianye, Sun Wudong, Qu Yi, Cui Jun, Huang Ningqinq, Feng Panpan

Open Access Study protocol

SuRxgWell: study protocol for a randomized controlled trial of telemedicine-based digital cognitive behavioral intervention for high anxiety and depression among patients undergoing elective hip and knee arthroplasty surgery

A. Murat Kaynar, Charles Lin, Andrea Gomez Sanchez, Danielle R. Lavage, Amy Monroe, Nicole Zharichenko, Meredith Strassburger, Katheryn Saucier, Yram J. Groff, Brian A. Klatt, Michael J. O’Malley, Eva Szigethy, Ajay D. Wasan, Jacques E. Chelly

Open Access Methodology

Enhancing open clinical trials through blinded evaluations: an exploration with diabetic foot infections

Qingna Li, Mengli Xiao, Xingfang Liu, Yang Zhao, Haoling Zhang, Yundong Yin, Panbo Qiu, Fang Lu, Rui Gao

Open Access Study protocol

PROMISE: effect of protein supplementation on fat-free mass preservation after bariatric surgery, a randomized double-blind placebo-controlled trial

A. E. Taselaar, A. J. Boes, R. W. F. de Bruin, T. M. Kuijper, K. Van Lancker, E. van der Harst, R. A. Klaassen

Open Access Study protocol

Comparison of different weight-based scalars of remimazolam tosylate for anesthesia induction in obese patients: study protocol for a prospective, controlled trial

Wenwen Ni, Xiuwen Yi, Lili Feng, Yilei Shen, Jiali Jiao, Yirong Cai, Danyun Fu, Yuan Han, Ji’e Jia, Wenxian Li

Open Access Research

Beneficial effects of the combination of BCc1 and Hep-S nanochelating-based medicines on IL-6 in hospitalized moderate COVID-19 adult patients: a randomized, double-blind, placebo-controlled clinical trial

Maryam Hafizi, Somayeh Kalanaky, Saideh Fakharzadeh, Pegah Karimi, Atefeh Fakharian, Somayeh Lookzadeh, Esmaeil Mortaz, Maryam Sadat Mirenayat, Jalal Heshmatnia, Mehrdad Bakhshayesh Karam, Homa Zamani, Alireza Nadji, Mihan Pourabdollah Toutkaboni, Saeed Oraee-Yazdani, Mohammad Esmaeil Akbari, Hamidreza Jamaati, Mohammad Hassan Nazaran

Open Access Study protocol

End-on versus parallel radiofrequency lesioning for neurotomy of the cervical medial branch nerves: a study protocol of a prospective, randomized, double-blind clinical trial: the “EndPaRL” study

Abeer Alomari, Guilherme Ferreira-Dos-Santos, Mandeep Singh, Taylor Burnham, Xingshan Cao, Zachary McCormick, David Flamer, Pranab Kumar, Yasmine Hoydonckx, James S. Khan, Paul S. Tumber, Danielle Alvares, Anuj Bhatia

Open Access Study protocol

Effect of inulin supplementation on clinical symptoms, inflammatory and oxidative stress markers in women with migraine: study protocol for a randomized clinical trial

Mahdi Vajdi, Fariborz Khorvash, Mohammad Hossein Rouhani, Abed Ghavami, Cain C. T. Clark, Gholamreza Askari

Open Access Study protocol

SMARTERscreen protocol: a three-arm cluster randomised controlled trial of patient SMS messaging in general practice to increase participation in the Australian National Bowel Cancer Screening Program

Jennifer G. McIntosh, Jon D. Emery, Anna Wood, Patty Chondros, Belinda C. Goodwin, Judy Trevena, Carlene Wilson, Shanton Chang, Jane Hocking, Tina Campbell, Finlay Macrae, Kristi Milley, Jie-Bin Lew, Claire Nightingale, Ian Dixon, Makala Castelli, Nicholas Lee, Lyle Innes, Tamara Jolley, Sabine Fletcher, Lyn Buchanan, Sally Doncovio, Kate Broun, Glenn Austin, Joyce Jiang, Mark A. Jenkins

Open Access Study protocol

The SWiFT trial (Study of Whole Blood in Frontline Trauma)—the clinical and cost effectiveness of pre-hospital whole blood versus standard care in patients with life-threatening traumatic haemorrhage: study protocol for a multi-centre randomised controlled trial

Jason E. Smith, Ed B. G. Barnard, Charlie Brown-O’Sullivan, Rebecca Cardigan, Jane Davies, Annie Hawton, Emma Laing, Joanne Lucas, Richard Lyon, Gavin D. Perkins, Laura Smith, Simon J. Stanworth, Anne Weaver, Tom Woolley, Laura Green

Open Access Correction

Correction: Efficacy and safety assessment of different dosage of benznidazol for the treatment of Chagas disease in chronic phase in adults (MULTIBENZ study): study protocol for a multicenter randomized Phase II non-inferiority clinical trial

D. Molina-Morant, M. L. Fernández, P. Bosch-Nicolau, E. Sulleiro, M. Bangher, F. Salvador, A. Sanchez-Montalva, A. L. P. Ribeiro, A. M. B. de Paula, S. Eloi, R. Correa-Oliveira, J. C. Villar, S. Sosa-Estani, I. Molina

Open Access Update

Protocol update and baseline characteristics for the TRIal to slow the Progression of Diabetes (TRIPOD) randomized controlled trial

Joann Bairavi, Daphne Su-Lyn Gardner, Ester Yeoh, Kwang Wei Tham, Mihir Gandhi, Ngiap Chuan Tan, Phong Ching Lee, Robyn Su May Lim, Thofique Adamjee, Yin Bun Cheung, Yong Mong Bee, Eric Andrew Finkelstein

Open Access Study protocol

Effect of the telemedicine-supported multicomponent exercise therapy in patients with knee osteoarthritis: study protocol for a randomized controlled trial

Yuan Feng, Yan Wu, Huizhen Liu, Tianjie Bao, Chongyang Wang, Zezhang Wang, Jielei Huang, Yiwei Jiang, Chengqi He, Siyi Zhu

Open Access Methodology

Multi-center, pragmatic, cluster-randomized, controlled trial of standardized peritoneal dialysis (PD) training versus usual care on PD-related infections (the TEACH-PD trial): trial protocol

Josephine S. F. Chow, Neil Boudville, Yeoungjee Cho, Suetonia Palmer, Elaine M. Pascoe, Carmel M. Hawley, Donna M. Reidlinger, Laura E. Hickey, Ruth Stastny, Andrea Valks, Liza Vergara, Ramya Movva, Charani Kiriwandeniya, Hayley Candler, Gabor Mihala, Bernadette Buisman, Keri-Lu Equinox, Ana E. Figueiredo, Trudi Fuge, Kirsten Howard, Martin Howell, Allison Jaure, Matthew D. Jose, Anna Lee, Susana S. Miguel, Jo-anne Moodie, Thu T. Nguyen, Geraldine Pinlac, Annie Reynolds, Walaa W. M. Saweirs, Genevieve Z. Steiner-Lim, Bronwen TeWhare, Melinda Tomlins, Megan Upjohn, David Voss, Rachael C. Walker, Joanne Wilson, David W. Johnson

Open Access Update

Statistical analysis plan for the LAKANA trial: a cluster-randomized, placebo-controlled, double-blinded, parallel group, three-arm clinical trial testing the effects of mass drug administration of azithromycin on mortality and other outcomes among 1–11-month-old infants in Mali

Juho Luoma, Laura Adubra, Dagmar Alber, Per Ashorn, Ulla Ashorn, Elaine Cloutman-Green, Fatoumata Diallo, Camilla Ducker, Riku Elovainio, Yue-Mei Fan, Lily Gates, Gwydion Gruffudd, Tiia Haapaniemi, Fadima Haidara, Lotta Hallamaa, Rikhard Ihamuotila, Nigel Klein, Owen Martell, Samba Sow, Taru Vehmasto, Yin Bun Cheung

Open Access Study protocol

Protocol for a randomized controlled trial to reduce pediatric anesthesia emergence delirium by titration of sevoflurane anesthesia using brain function monitoring

Yasuyuki Suzuki, Kiyoyuki W. Miyasaka, Kuniyoshi Hayashi, Osamu Takahashi, Yasuko Nagasaka

Open Access Study protocol

Evaluating the effectiveness of video-game based swallowing function training in patients with dysphagia: study protocol for a randomized controlled trial

Bohan Zhang, Cai Guo, Vivian Hui, Ka Po Wong, Yue Liu, Zihan Liu, Yanan Xu, Qian Xiao, Shu-Cheng Chen, Jing Qin

Open Access Update

The Promotoer, a brain-computer interface-assisted intervention to promote upper limb functional motor recovery after stroke: a statistical analysis plan for a randomized controlled trial

Marta Cipriani, Floriana Pichiorri, Emma Colamarino, Jlenia Toppi, Federica Tamburella, Matteo Lorusso, Alessandra Bigioni, Giovanni Morone, Francesco Tomaiuolo, Filippo Santoro, Daniele Cordella, Marco Molinari, Febo Cincotti, Donatella Mattia, Maria Puopolo

Open Access Study protocol

Detailed statistical analysis plan for a secondary Bayesian analysis of the SafeBoosC-III trial: a multinational, randomised clinical trial assessing treatment guided by cerebral oximetry monitoring versus usual care in extremely preterm infants

Markus Harboe Olsen, Mathias Lühr Hansen, Theis Lange, Christian Gluud, Lehana Thabane, Gorm Greisen, Janus Christian Jakobsen, Adelina Pellicer, Afif El-Kuffash, Agata Bargiel, Ana Alarcon, Andrew Hopper, Anita Truttmann, Anja Hergenhan, Anja Klamer, Anna Curley, Anne Marie, Anne Smits, Asli Cinar Memisoglu, Barbara Krolak-Olejnik, Beata Rzepecka, Begona Loureiro Gonzales, Beril Yasa, Berndt Urlesberger, Catalina Morales-Betancourt, Chantal Lecart, Claudia Knöepfli, Cornelia Hagmann, David Healy, Ebru Ergenekon, Eleftheria Hatzidaki, Elena Bergon-Sendin, Eleni Skylogianni, Elzbieta Rafinska-Wazny, Emmanuele Mastretta, Eugene Dempsey, Eva Valverde, Evangelina Papathoma, Fabio Mosca, Gabriel Dimitriou, Gerhard Pichler, Giovanni Vento, Gitte Holst Hahn, Gunnar Naulaers, Guoqiang Cheng, Hans Fuchs, Hilal Ozkan, Isabel De Las Cuevas, Itziar Serrano-Vinuales, Iwona Sadowska-Krawczenko, Jachym Kucera, Jakub Tkaczyk, Jan Miletin, Jan Sirc, Jana Baumgartner, Jonathan Mintzer, Julie De Buyst, Karen McCall, Konstantina Tsoni, Kosmas Sarafidis, Lars Bender, Laura Serrano Lopez, Le Wang, Liesbeth Thewissen, Lin Huijia, Lina Chalak, Ling Yang, Luc Cornette, Luis Arruza, Maria Wilinska, Mariana Baserga, Marie Isabel Skov Rasmussen, Marta Mencia Ybarra, Marta Teresa Palacio, Martin Stocker, Massimo Agosti, Merih Cetinkaya, Miguel Alsina, Monica Fumagalli, Munaf M. Kadri, Mustafa Senol Akin, Münevver Baş, Nilgun Koksal, Olalla Otero Vaccarello, Olivier Baud, Pamela Zafra, Peter Agergaard, Peter Korcek, Pierre Maton, Rebeca Sanchez-Salmador, Ruth del Rio Florentino, Ryszard Lauterbach, Salvador Piris Borregas, Saudamini Nesargi, Serife Suna, Shashidhar Appaji Rao, Shujuan Zeng, Silvia Pisoni, Simon Hyttel-Sørensen, Sinem Gulcan Kersin, Siv Fredly, Suna Oguz, Sylwia Marciniak, Tanja Karen, Tomasz Szczapa, Tone Nordvik, Veronika Karadyova, Xiaoyan Gao, Xin Xu, Zachary Vesoulis, Zhang Peng, Zhaoqing Yin

Open Access Study protocol

Anodal transcranial direct current stimulation associated with aerobic exercise on the functional and physical capacity of patients with heart failure with reduced ejection fraction: ELETRIC study protocol

Vanessa Christina Costa da Silva, Fernando Zanela da Silva Arêas, Antônio Luiz Ribeiro Boechat Lopes, Fernando Fonseca de Almeida e Val, Allyson Guimarães da Costa, Joana Colares Correa dos Santos, João Marcos Bemfica Barbosa Ferreira, Guilherme Peixoto Tinoco Arêas

Open Access Research

Predicting attrition of men with a history of violence from randomised clinical trials

Natalie Doring, Ye In (Jane) Hwang, Emaediong Akpanekpo, Mathew Gullotta, Bianca Ton, Lee Knight, Crosbi Knight, Peter Schofield, Tony Gerard Butler

Open Access Study protocol

The IBD-FITT study — moderate-intensity exercise for patients with inflammatory bowel disease with moderate disease activity: an open-label randomized controlled trial

Ken Lund, Torben Knudsen, Jens Kjeldsen, Rasmus Gaardskær Nielsen, Carsten Bogh Juhl, Bente Mertz Nørgård

Open Access Research

Personalized therapy in rheumatoid arthritis (PETRA): a protocol for a randomized controlled trial to test the effect of a psychological intervention in rheumatoid arthritis

Lennart Seizer, Ellis Huber, Miriam Schirmer, Sven Hilbert, Eva-Maria Wiest, Christian Schubert

Open Access Correction

Correction: Medicines and Healthcare products Regulatory Agency’s “Consultation on proposals for legislative changes for clinical trials”: a response from the Trials Methodology Research Partnership Adaptive Designs Working Group, with a focus on data sharing

Martin Law, Dominique-Laurent Couturier, Babak Choodari-Oskooei, Phillip Crout, Carrol Gamble, Peter Jacko, Philip Pallmann, Mark Pilling, David S. Robertson, Michael Robling, Matthew R. Sydes, Sofía S. Villar, James Wason, Graham Wheeler, S. Faye Williamson, Christina Yap, Thomas Jaki

Open Access Study protocol

Effectiveness and cost-effectiveness of an electronic mindfulness-based intervention to improve maternal mental health in the peripartum: study protocol for a randomised controlled trial

Grace Branjerdporn, Kerri Gillespie, Elizabeth Martin, Vivianne Kissane, Alex De Young, Tatjana Ewais, Kathleen Goldsmith, Susan Wilson, Sam Adhikary, Greg McGahan, Constanze Schulz, Michael Beckmann

Open Access Study protocol

Study protocol for a randomised controlled trial to investigate the effectiveness of thoracic epidural and paravertebral blockade in reducing chronic post-thoracotomy pain: 2 (TOPIC 2)

Ben Shelley, Andreas Goebel, Stephen Grant, Louise Jackson, Hugh Jarrett, Marcus Jepson, Amy Kerr, Nandor Marczin, Rajnikant Mehta, Teresa Melody, Lee Middleton, Babu Naidu, Lajos Szentgyorgyi, Sarah Tearne, Ben Watkins, Matthew Wilson, Andrew Worrall, Joyce Yeung, Fang Gao Smith

Open Access Study protocol

Rationale and design of a randomized clinical trial evaluating the efficacy of mechanical neuroprotection in reducing the risk of silent brain infarcts associated with percutaneous left atrial appendage closure: study protocol for a LAAC-SBI trial

Witold Streb, Anetta Lasek-Bal, Katarzyna Mitręga, Jacek Kowalczyk, Tomasz Podolecki, Wiktoria Kowalska, Anna Olma, Agata Sobczyk, Zbigniew Kalarus

Open Access Study protocol

Perceived dyspnea and experience of hospitalized patients with acute decompensated heart failure undergoing an early MObilization protocol with immersive Virtual rEality: MOVE study protocol for a parallel superiority randomized clinical trial

Iasmin Borges Fraga, Larissa Gussatschenko Caballero, Pedro Dal Lago, João Lucas Campos de Oliveira, Marina Scherer, Mauren Porto Haeffner, Eneida Rejane Rabelo-Silva

Open Access Study protocol

Effects of exercise prehabilitation before anterior cruciate ligament reconstruction on functional outcomes during pre- and postoperative rehabilitation — protocol for a single-blinded randomised controlled trial

Rebecca Abel, Daniel Niederer, Christoph Offerhaus, Sven Shafizadeh, Alexander Glowa, Ingo Froböse, Christiane Wilke

Open Access Study protocol

Awareness with paralysis and symptoms of post-traumatic stress disorder among mechanically ventilated emergency department survivors (ED-AWARENESS-2 Trial): study protocol for a pragmatic, multicenter, stepped wedge cluster randomized trial

Brian M. Fuller, Brian E. Driver, Michael B. Roberts, Christa A. Schorr, Kathryn Thompson, Brett Faine, Julianne Yeary, Nicholas M. Mohr, Ryan D. Pappal, Robert J. Stephens, Yan Yan, Nicholas J. Johnson, Brian W. Roberts

Open Access Study protocol

Effects of the “ICU Support” team meeting concept on patient-centered and staff-centered outcomes: study protocol for a randomized controlled multicenter study

Marie S. Thommes, Martin Klasen, Johannes Bickenbach, Maria Deja, Kristin Engelhard, Roland Francis, Johannes Gramatté, Gunther Hempel, Kerstin Gmeinwieser, Gabriel Reedy, Daniel Röder, Ines Schroeder, Claudia Apel, Susanne Arnold, Silke Barsch, Heiko Baschnegger, Monika Berberich, Christian Bibo, Marc Bodenstein, Christopher Brandl, Arina Bychkova, Enrico Dähnert, Dagmar Ellmer, Georg Engelbart, Nurith Epstein, Martin R. Fischer, Uli Fischer, Sandra Frank, Michelle Fröb, Andreas Güldner, Axel R. Heller, Franziska Jahns, Stefan Kern, Thea Koch, Sylvia Köppen, Susanne Krotsetis, Sophie Lambert, Dorothea Lange, Andrea Lenes, Alexander Mück, Patrick Meybohm, Carla Nau, Sonja Nebl, Katharina Plonien, Katja Preiß, Stephan Prückner, Maximilian Ragaller, Axel Rand, Maria Reden, Marco Reinhardt, Vanessa Rentschler, Bernd Rupprecht, Benedikt Sandmeyer, Michelle Schmidt, Nora Schorscher, Antje Seidel, Philipp Simon, Malte Söhl, Oliver Spring, Sebastian Stehr, Axel S. Steinke, Svenja Teufert, Volker Thieme, Irhad Trozic, Annette Uhlschmied, Steffen Weber-Carstens, Kathrin Wendler, Bernhard Zwißler, Saša Sopka

Open Access Study protocol

The efficacy of a blended intervention to improve physical activity and protein intake for optimal physical recovery after oncological gastrointestinal and lung cancer surgery, the Optimal Physical Recovery After Hospitalization (OPRAH) trial: study protocol for a randomized controlled multicenter trial

Marijke de Leeuwerk, Vincent de Groot, Suzanne ten Dam, Hinke Kruizenga, Peter Weijs, Edwin Geleijn, Marike van der Leeden, Marike van der Schaaf, Chris Dickhoff, Marc G. Besselink, Jurriaan B. Tuynman, Mark I. van Berge Henegouwen, Joris I. Erdmann, Rosalie J. Huijsmans, Hidde P. van der Ploeg, Anne M. Eskes, Mirjam A. G. M. Pijnappels, Liesbeth Schuijs van Leeuwen, Anke B. Smits, Jasmijn van Dijk, Eva Grimbergen

Open Access Study protocol

Effects of a physical activity and endometriosis-based education program delivered by videoconference on endometriosis symptoms: the CRESCENDO program (inCRease physical Exercise and Sport to Combat ENDOmetriosis) protocol study

Géraldine Escriva-Boulley, Charles-André Philip, Sophie Warembourg, Lionel Lenotre, Patrice Flore, Patrice Faure, Thierry Michy, Vincent Letouzey, Carole Arnold, Claire Piluso, Loic Chalmel, Ramzi Kacem, Georges Fabrice Blum, Renaud Detayrac, Candice Trocmé, Isabelle Brigaud, Ulysse Herbach, Patricia Branche, Emilie Faller, Aïna Chalabaev

Open Access Study protocol

Home-based rehabilitation training with human key point detection for chronic low back pain patients: a randomized controlled trial protocol

Zheng Fuming, Li Zhicheng, Huang Huanjie, Zhang Xinna, Chen Rong, Peng Jiahui, Yang Liming, Chen Xi, Wang Chuhuai

Open Access Study protocol

Effects of a single dose of amisulpride on functional brain changes during reward- and motivation-related processing using task-based fMRI in healthy subjects and patients with major depressive disorder — study protocol for a randomized clinical trial

Luisa Carstens, Margot Popp, Christian Keicher, Rita Hertrampf, David Weigner, Marvin S. Meiering, Gerd Luippold, Sigurd D. Süssmuth, Christian F. Beckmann, Andreas Wunder, Simone Grimm

Open Access Study protocol

Analgesic effect of nitrous oxide during manual therapy after anterior cruciate ligament reconstruction: a study protocol for a randomized controlled trial

Ziyang Wang, Fei Wang, Yuxiang Li, Yihui Xing, Xiaochen Jiang, Cui Li, Zhiguo Ding, Lu Tang

Open Access Study protocol

Hearing intervention for decreasing risk of developing dementia in elders with mild cognitive impairment: study protocol of a multicenter randomized controlled trial for Chinese Hearing Solution for Improvement of Cognition in Elders (CHOICE)

Ying Chen, Lei Guan, Jie Chen, Kun Han, Qiongfei Yu, Jin Zhou, Xue Wang, Yunqian Ma, Xiangyu Ji, Zhonglu Zhao, Qiyue Shen, Anxian Wang, Mengping Wang, Jin Li, Jiali Yu, Yiwen Zhang, Sijia Xu, Jie Liu, Wen Lu, Bin Ye, Yuan Fang, Haixia Hu, Haibo Shi, Mingliang Xiang, Xia Li, Yun Li, Hao Wu

Open Access Study protocol

Supporting physical activity for mobility in older adults with mobility limitations (SuPA Mobility): study protocol for a randomized controlled trial

Jordyn Rice, Linda C. Li, Jennifer C. Davis, Marco Pahor, Kenneth Madden, Nathan Wei, Hubert Wong, Dawn A. Skelton, Sioban McCormick, Ryan S. Falck, Cindy K. Barha, Ryan E. Rhodes, Sohail Loomba, Mohsen Sadatsafavi, Teresa Liu-Ambrose

Open Access Study protocol

The effects of Olmesartan/amlodipine administered in the Morning or At Night on nocturnal blood pressure reduction in Chinese patients with mild-moderate essential hypertension (OMAN Trial): study protocol for a prospective, multicenter, randomized, open-label clinical trial {1}

Mengzhuo Xu, Xin Zhang, Runyu Ye, Xueting Liu, Lirong Sun, Shanshan Jia, Zhipeng Zhang, Xinran Li, Ziqiong Wang, Hang Liao, Rufeng Shi, Kai Liu, Si Wang, Qingtao Meng, Xiaoping Chen

Open Access Research

Master statistical analysis plan: attractive targeted sugar bait phase III trials in Kenya, Mali, and Zambia

Joshua Yukich, Thomas P. Eisele, Feiko terKuile, Ruth Ashton, Sarah Staedke, Angela F. Harris, Paul C. D. Johnson, Sophie Sarrassat, Maia Lesosky, John Bradley, Immo Kleinschmidt, Megan Littrell

Open Access Study protocol

A peer-volunteer led active ageing programme to prevent decline in physical function in older people at risk of mobility disability (Active, Connected, Engaged [ACE]): study protocol for a randomised controlled trial

Afroditi Stathi, Janet Withall, Diane Crone, Helen Hawley-Hague, Rebecca Playle, Emma Frew, Sally Fenton, Melvyn Hillsdon, Christopher Pugh, Chris Todd, Kate Jolly, Nick Cavill, Max Western, Sarah Roche, Nigel Kirby, Elisabeth Boulton, Janice Thompson, Katie Chatwin, Amy Davies, Zsofia Szekeres, Colin Greaves

Open Access Study protocol

Evaluating newly approved drugs in combination regimens for multidrug-resistant tuberculosis with fluoroquinolone resistance (endTB-Q): study protocol for a multi-country randomized controlled trial

S. B. Patil, M. Tamirat, K. Khazhidinov, E. Ardizzoni, M. Atger, A. Austin, E. Baudin, M. Bekhit, S. Bektasov, E. Berikova, M. Bonnet, R. Caboclo, M. Chaudhry, V. Chavan, S. Cloez, J. Coit, S. Coutisson, Z. Dakenova, B. C. De Jong, C. Delifer, S. Demaisons, J. M. Do, D. Dos Santos Tozzi, V. Ducher, G. Ferlazzo, M. Gouillou, U. Khan, M. Kunda, N. Lachenal, A. N. LaHood, L. Lecca, M. Mazmanian, H. McIlleron, M. Moreau, M. Moschioni, P. Nahid, E. Osso, L. Oyewusi, S. Panda, A. Pâquet, P. Thuong Huu, L. Pichon, M. L. Rich, P. Rupasinghe, N. Salahuddin, E. Sanchez Garavito, K. J. Seung, G. E. Velásquez, M. Vallet, F. Varaine, F. J. Yuya-Septoh, C. D. Mitnick, L. Guglielmetti

Open Access Study protocol

Preoperative dexamethasone administration in hepatectomy of 25-min intermittent Pringle’s maneuver for hepatocellular carcinoma: protocol for a randomized controlled trial

Yang Huang, Liangliang Xu, Ning Wang, Xingyu Pu, Wentao Wang, Tianfu Wen, Mingqing Xu, Li Jiang

Open Access Study protocol

Adaptive evaluation of mHealth and conventional adherence support interventions to optimize outcomes with new treatment regimens for drug-resistant tuberculosis and HIV in South Africa (ADAP-TIV): study protocol for an adaptive randomized controlled trial

Jesse Ross, Rubeshan Perumal, Allison Wolf, Mbali Zulu, Kevin Guzman, Boitumelo Seepamore, Karl Reis, Hlengiwe Nyilana, Senzo Hlathi, Radhamoney Narasimmulu, Ying Kuen K. Cheung, K. Rivet Amico, Gerald Friedland, Amrita Daftary, Jennifer R. Zelnick, Kogieleum Naidoo, Max R. O’Donnell

Open Access Research

Factors influencing the time to ethics and governance approvals for clinical trials: a retrospective cross-sectional survey

Sam Crosby, Adriana Malavisi, Liping Huang, Stephen Jan, Richard Holden, Bruce Neal

Open Access Study protocol

Effectiveness of m-health-based core strengthening exercise and health education for public safety workers with chronic non-specific low back pain: study protocol for a superiority randomized controlled trial (SAFEBACK)

Eduardo F. Marins, Eduardo L. Caputo, Vitor L. Krüger, Dirceu M. Junior, Fabrício G. Scaglioni, Fabricio B. Del Vecchio, Tiago T. Primo, Cristine L. Alberton

Open Access Study protocol

Tranexamic acid by the intramuscular or intravenous route for the prevention of postpartum haemorrhage in women at increased risk: a randomised placebo-controlled trial (I’M WOMAN)

Amy Brenner, Haleema Shakur-Still, Rizwana Chaudhri, Projestine Muganyizi, Oladapo Olayemi, Monica Arribas, Aasia Kayani, Kiran Javid, Adenike Bello, Ian Roberts

Open Access Study protocol

High-density transcranial direct current stimulation to improve upper limb motor function following stroke: study protocol for a double-blind randomized clinical trial targeting prefrontal and/or cerebellar cognitive contributions to voluntary motion

Xavier Corominas-Teruel, Martina Bracco, Montserrat Fibla, Rosa Maria San Segundo, Marc Villalobos-Llaó, Cecile Gallea, Benoit Beranger, Monica Toba, Antoni Valero-Cabré, Maria Teresa Colomina

Open Access Review

How do trial teams plan for retention during the design stage of the trial? A scoping review

Ellen Murphy, Katie Gillies, Frances Shiely

Open Access Study protocol

Effect of spinal orthosis on clinical outcomes of patients after oblique lumbar interbody fusion: a randomized controlled trial study protocol

Nian-rong Han, Akram Osman, Wei Hu, Yi-fei Huang, Yan-lu Liu, Zhan-jun Ma

Open Access Study protocol

Neurobiomechanical mechanism of Tai Chi to improve upper limb coordination function in post-stroke patients: a study protocol for a randomized controlled trial

Qiurong Xie, Jinsong Wu, Qi Zhang, Yanxin Zhang, Bo Sheng, Xiaoling Wang, Jia Huang

Open Access Study protocol

The effect of a helmet type, home-use low-level light therapy device for chemotherapy-induced alopecia: study protocol for a randomized controlled trial

Cong-Xian Wu, Cheng-Hsin Li, Yi-Hsien Shiao, Huan-Yu Cheng, Tsung-Han Wu, Chun-Hui Lee, Zi-Yu Chang, Yuan-Chieh Yeh

Open Access Research

Characterization of COVID-19 vaccine clinical trial discussions on the social question-and-answer site Quora

Qing Xu, Tiana J. McMann, Jiawei Li, Christine Wenzel, Tim K. Mackey

Open Access Study protocol

Multiphase optimization of a multicomponent intervention for informal dementia caregivers: a study protocol

Jojo Yan Yan Kwok, Daphne Sze Ki Cheung, Steven Zarit, Karen Siu-Lan Cheung, Bobo Hi Po Lau, Vivian Weiqun Lou, Sheung-Tak Cheng, Dolores Gallagher-Thompson, Kee-Lee Chou

Open Access Update

A randomized double-blind clinical trial on safety and efficacy of tauroursodeoxycholic acid (TUDCA) as add-on treatment in patients affected by amyotrophic lateral sclerosis (ALS): the statistical analysis plan of TUDCA-ALS trial

Flavia L. Lombardo, Stefania Spila Alegiani, Flavia Mayer, Marta Cipriani, Maria Lo Giudice, Albert Christian Ludolph, Christopher J. McDermott, Philippe Corcia, Philip Van Damme, Leonard H. Van den Berg, Orla Hardiman, Gabriele Nicolini, Nicola Vanacore, Brian Dickie, Alberto Albanese, Maria Puopolo, Paolo Tornese, Antoniangela Cocco, Michela Matteoli, Eliana Lauranzano, Maria Luisa Malosio, Chiara Adriana Elia, Adriano Chiò, Umberto Manera, Cristina Moglia, Andrea Calvo, Paolina Salamone, Giuseppe Fuda, Carlo Colosimo, Cristina Spera, Prabha Cristina Ranchicchio, Giuseppe Stipa, Domenico Frondizi, Christian Lunetta, Valeria Sansone, Claudia Tarlarini, Francesca Gerardi, Vincenzo Silani, Alberto Doretti, Eleonora Colombo, Gianluca Demirtzidis, Gioacchino Tedeschi, Francesca Trojsi, Carla Passaniti, Stefania Ballestrero, Johannes Dorst, Ulrike Weiland, Andrea Fromm, Maximilian Wiesenfarth, Katharina Kandler, Simon Witzel, Markus Otto, Joachim Schuster, Thomas Meyer, André Maier, Dagmar Kettemann, Susanne Petri, Lars Müschen, Camilla Wohnrade, Anastasia Sarikidi, Alma Osmanovic, Julian Grosskreutz, Annekathrin Rödiger, Robert Steinbach, Benjamin Ilse, Uta Smesny, Robert Untucht, René Günther, Maximilian Vidovic, Pamela Shaw, Alexis Collins, Helen Wollff, Theresa Walsh, Lee Tuddenham, Mbombe Kazoka, David White, Stacy Young, Benjamin Thompson, Daniel Madarshahian, Suresh K. Chhetri, Amina Chaouch, Carolyn A. Young, Heike Arndt, Coliver Hanemann, Thomas Lambert, Stephane Beltran, Philippe Couratier, Florence Esselin, William Camu, Elisa De La Cruz, Gwendal Lemasson, Pegah Masrori, Sinead Maguire, Liz Fogarty, Toyosi Atoyebi, Niamh Ní Obáin

Open Access Study protocol

Clinical and cost-effectiveness of ‘Live Well with Parkinson’s’ self-management intervention versus treatment as usual for improving quality of life for people with Parkinson’s: study protocol for a randomised controlled trial

Kate Walters, Megan Armstrong, Benjamin Gardner, Gareth Ambler, Rachael Hunter, Bev Maydon, Nathan Davies, Catherine Atkinson, Richard Brown, Tasmin Rookes, Daniel Davis, Anette Schrag

Open Access Update

Challenges of conducting a randomised placebo-controlled trial of spinal surgery: the SUcceSS trial of lumbar spine decompression

Emma Kwan-Yee Ho, Ralph Jasper Mobbs, James Montague van Gelder, Ian Andrew Harris, Gavin Davis, Ralph Stanford, David John Beard, Christopher Gerard Maher, Joanna Prior, Michael Knox, David Barrett Anderson, Rachelle Buchbinder, Manuela Loureiro Ferreira

Open Access Update

A blueprint for a multi-disease, multi-domain Bayesian adaptive platform trial incorporating adult and paediatric subgroups: the Staphylococcus aureus Network Adaptive Platform trial

Robert K. Mahar, Anna McGlothlin, Michael Dymock, Todd C. Lee, Roger J. Lewis, Thomas Lumley, Jocelyn Mora, David J. Price, Benjamin R. Saville, Tom Snelling, Rebecca Turner, Steven A. Webb, Joshua S. Davis, Steven Y. C. Tong, Julie A. Marsh, Asha Bowen, Matthew Cheng, Nick Daneman, Joshua Davis, Anna Goodman, George Heriot, Todd C. Lee, Roger Lewis, David Lye, Julie Marsh, Anna McGlothlin, Zoe McQuilten, Jocelyn Mora, Susan Morpeth, David Paterson, David Price, Jason Roberts, Owen Robinson, Matthew Scarborough, Steven Tong, Sebastiaan van Hal, Genevieve Walls, Steve Webb, Lynda Whiteway, Dafna Yahav

Open Access Research

REVISE: re-evaluating the inhibition of stress erosions in the ICU—statistical analysis plan for a randomized trial

Diane Heels-Ansdell, Laurent Billot, Lehana Thabane, Waleed Alhazzani, Adam Deane, Gordon Guyatt, Simon Finfer, François Lauzier, John Myburgh, Paul Young, Yaseen Arabi, John Marshall, Shane English, John Muscedere, Marlies Ostermann, Bala Venkatesh, Nicole Zytaruk, Miranda Hardie, Naomi Hammond, Serena Knowles, Lois Saunders, Alexis Poole, Abdulrahman Al-Fares, Feng Xie, Richard Hall, Deborah Cook

Open Access Study protocol

Study protocol of a randomized controlled trial to assess safety of teleconsultation compared with face-to-face consultation: the ECASeT study

Alejandro Rodríguez-Molinero, Gerard Carot-Sans, Roser Escrig, Cristian Tebé, Jacobo Arce, Carlos Pérez-López, Silvia Ballesta, Guillermo Verdejo, Ángel Cedeño, Mar Riera-Pagespetit, Sofia Vivas-Angeles, Jose L. Alarcon, Itziar Navarro, Silvia Toro, Llorenç Mateo, Ana J. Torres, Gerard Delmás, Helena Camell, Antonio Chamero, Montse Gasol, Jordi Piera-Jiménez, David Benaiges, Lidia Tikhomirova, Vicenç Torrente, Jesús Marimón, David Saavedra, Violeta Menendez, Elisabet Franquet, Luis M. Sierra, María López-Diéguez, Nuria Rodríguez, Jessica Gonzales, Oscar Macho-Pérez, Sandra Huguet, Lucas Degano, Francisco Pineda, Javier Errando

Open Access Study protocol

Evaluation of the efficacy and safety of amustaline/glutathione pathogen-reduced RBCs in complex cardiac surgery: the Red Cell Pathogen Inactivation (ReCePI) study—protocol for a phase 3, randomized, controlled trial

Edward L. Snyder, Michael E. Sekela, Ian J. Welsby, Yoshiya Toyoda, Mohamed Alsammak, Neel R. Sodha, Thomas M. Beaver, J. Peter R. Pelletier, James D. Gorham, John S. McNeil, Roman M. Sniecinski, Ronald G. Pearl, Gregory A. Nuttall, Ravi Sarode, T. Brett Reece, Alesia Kaplan, Robertson D. Davenport, Tina S. Ipe, Peyman Benharash, Ileana Lopez-Plaza, Richard R. Gammon, Patrick Sadler, John P. Pitman, Kathy Liu, Stanley Bentow, Laurence Corash, Nina Mufti, Jeanne Varrone, Richard J. Benjamin

Open Access Study protocol

A multicomponent intervention program to Prevent and Reduce AgItation and phySical rEstraint use in the ICU (PRAISE): study protocol for a multicenter, stepped-wedge, cluster randomized controlled trial

Rens W. J. Kooken, Bram Tilburgs, Rob ter Heine, Bart Ramakers, Mark van den Boogaard, Dieke Wiggelo-Lijbers, Margreet Klop-Riehl, Thijs C.D. Rettig, JanWillem Wijnhoven, Bram Simons, Rens van de Weyer, Stephanie Bakker, Wouter de Ruijter, Stefanie Slot, Stefanie Braker-Scholtes, Liz Bruin, Quirine Habes, Sanne Meeuws, Manon Fleuren-Janssen

Open Access Study protocol

Impact of a disability-targeted microentrepreneurship programme in Kenya: study protocol for a randomised controlled trial of the InBusiness programme

Lena Morgon Banks, Stella Kepha, Anja Zinke-Allmang, Paul M. Gichuki, Nathaniel Scherer, Charles Mwandawiro, Mark Carew, Doris Njomo, Shanquan Chen, Collins Okoyo, Calum Davey, Tom Shakespeare, Maria Antonella Pereira, Divya Goyal, Hannah Kuper

Open Access Study protocol

A protocol for a single center, randomized, controlled trial comparing the clinical efficacy of 3% diquafosol and 0.1% hyaluronic acid in diabetic patients with dry eye disease

Jiayan Chen, Yimeng Chen, Guanghao Qin, Liangzhe Li, Mingze Li, Yuan Cheng, Shuting Zhuang, Zhihui Li, Qing Zhang, Yi Wu, Lanting Yang, Salissou Moutari, Jonathan E. Moore, Ling Xu, Wei He, Sile Yu, Emmanuel Eric Pazo, Xingru He

Open Access Study protocol

Study protocol for a randomized controlled trial of RealConsent2.0: a web-based intervention to promote prosocial alcohol-involved bystander behavior in young men

Laura F. Salazar, Dominic J. Parrott, David DiLillo, Sarah Gervais, Anne Marie Schipani-McLaughlin, Ruschelle Leone, Kevin Swartout, Lauren Simpson, Renita Moore, Tiffany Wilson, Nyla Flowers, Haley Church, Amanda Baildon

Open Access Study protocol

Dry suction versus wet suction technique of endoscopic ultrasound-guided fine-needle biopsy for diagnosis of solid pancreatic lesions: study protocol of a multicenter randomized controlled non-inferiority trial

Shenglin Xu, Junfen Wang, Jianian Guo, Fang Xie, Weiguang Qiao, Yiteng Meng, Peng Peng, Haiyan Hu, Ying Huang, Side Liu, Mengbin Qin, Jun Yao, Yue Li

Open Access Study protocol

To adopt or adapt an existing neonatal core outcome set in Kenya: a study protocol

Jamlick Karumbi, David Gathara, Bridget Young, Paula Williamson

Open Access Study protocol

Effectiveness of full Pulpotomy compared with Root canal treatment in managing teeth with signs and symptOms indicative of irreversible pulpitis: a protocol for prospectiVE meta-analysis of individual participant data of linked randomised clinical trials (PROVE)

I. A. El Karim, H. F. Duncan, A. F. Fouad, N. A. Taha, V. Yu, S. Saber, V. Ballal, P. Chompu-inwai, H. M. A. Ahmed, B. P. F. A. Gomes, S. Abushouk, S. Cushley, C. O’Neill, M. Clarke

Open Access Study protocol

Pre-hospital pulse glucocorticoid therapy in patients with ST-segment elevation myocardial infarction transferred for primary percutaneous coronary intervention: a randomized controlled trial (PULSE-MI)

Jasmine Melissa Madsen, Laust Emil Roelsgaard Obling, Laura Rytoft, Fredrik Folke, Christian Hassager, Lars Bredevang Andersen, Niels Vejlstrup, Lia Evi Bang, Thomas Engstrøm, Jacob Thomsen Lønborg

Open Access Study protocol

Induction of double-strand breaks with the non-steroidal androgen receptor ligand flutamide in patients on androgen suppression: a study protocol for a randomized, double-blind prospective trial

Emerson Lee, Jonathan Coulter, Alok Mishra, Fernanda Caramella-Pereira, Angelo Demarzo, Michelle Rudek, Chen Hu, Misop Han, Theodore L. DeWeese, Srinivasan Yegnasubramanian, Daniel Y. Song

Open Access Study protocol

Efficacy and safety of voriconazole in the treatment of invasive pulmonary aspergillosis in patients with liver failure: study protocol for a randomized controlled clinical trial

Xue Yu, Lejia Xu, Jiaxing Zheng, Ziying Lei, Yihua Pang, Xiaojie Li, Jianyun Zhu, Jing Liu

Open Access Correction

Correction: Testing the combination of Feeling Safe and peer counselling against formulation-based cognitive behaviour therapy to promote psychological wellbeing in people with persecutory delusions: study protocol for a randomized controlled trial (the Feeling Safe-NL Trial)

Eva Tolmeijer, Felicity Waite, Louise Isham, Laura Bringmann, Robin Timmers, Arjan van den Berg, Hanneke Schuurmans, Anton B. P. Staring, Paul de Bont, Rob van Grunsven, Gert Stulp, Ben Wijnen, Mark van der Gaag, Daniel Freeman, David van den Berg

Open Access Study protocol

Effect of denosumab on glucose metabolism in postmenopausal osteoporotic women with prediabetes: a study protocol for a 12-month multicenter, open-label, randomized controlled trial

Yilin Wang, Yu Jiang, Jia Li, Xisheng Lin, Yan Luo, Shuhuai Tan, Haohan Yang, Zefu Gao, Xiang Cui, Pengbin Yin, Dan Kong, Yuan Gao, Yu Cheng, Licheng Zhang, Peifu Tang, Houchen Lyu

Open Access Study protocol

Understanding context of violence against healthcare through citizen science and evaluating the effectiveness of a co-designed code of conduct and of a tailored de-escalation of violence training in Eastern Democratic Republic of Congo and Iraq: a study protocol for a stepped wedge randomized controlled trial

Giovanfrancesco Ferrari, Samuel Makali Lwamushi, Ghislain Bisimwa Balaluka, Riyadh K. Lafta, Christian Schindler, Daniella Bugugu, Emmanuel Lurhangire, Fabrizio Tediosi, Jessica Ramirez Mendoza, Sonja Merten

Open Access Research

Bubonic plague: can the size of buboes be accurately and consistently measured with a digital calliper?

Josephine Bourner, Ravaka Randriamparany, Tsinjo Fehizoro Rasoanaivo, Emmanuelle Denis, Rindra Vatosoa Randremanana, Michel Vaillant, Alex Paddy Salam, Bronner P. Gonçalves, Piero Olliaro

Open Access Update

Update on the INTEnsive ambulance-delivered blood pressure Reduction in hyper-ACute stroke Trial (INTERACT4): progress and baseline features in 2053 participants

Chen Chen, Yapeng Lin, Feifeng Liu, Xiaoying Chen, Laurent Billot, Qiang Li, Yiija Guo, Hueiming Liu, Lei Si, Menglu Ouyang, Chunfang Zhang, Hisatomi Arima, Philip M. Bath, Gary A. Ford, Thompson Robinson, Else Charlotte Sandset, Jeffrey L. Saver, Nikola Sprigg, H. Bart van der Worp, Gang Liu, Lili Song, Jie Yang, Gang Li, Craig S. Anderson

Open Access Study protocol

RAPIDIRON Trial follow-up study — the RAPIDIRON-KIDS Study: protocol of a prospective observational follow-up study

Richard J. Derman, Roopa B. Bellad, Mrutyunjaya B. Bellad, Jesse Bradford-Rogers, Michael K. Georgieff, Zubair H. Aghai, Simal Thind, Michael Auerbach, Rupsa Boelig, Benjamin E. Leiby, Vanessa Short, S. Yogeshkumar, Umesh S. Charantimath, Manjunath S. Somannavar, Ashalata A. Mallapur, Ramesh Pol, Umesh Ramadurg, Radha Sangavi, Basavaraj V. Peerapur, Nasima Banu, Praveen S. Patil, Amaresh P. Patil, Subarna Roy, Phaniraj Vastrad, Dennis Wallace, Hemang Shah, Shivaprasad S. Goudar

Open Access Study protocol

REtinal Detachment Outcomes Study (REDOS): study protocol for a factorial, randomized controlled trial

Mélanie Hébert, Serge Bourgault, Mathieu Caissie, Éric Tourville, Ali Dirani

Open Access Study protocol

Effect of transvaginal Lactobacillus supplementation on reversing lower genital tract dysbiosis and improving perinatal outcomes in PCOS patients after IVF-FET: a study protocol for a multicenter randomized controlled trial

Huixi Chen, Yaoyao Tu, Chen Zhang, Jie Li, Ting Wu, Suying Liu, Liying He, Aijun Zhang, Yan Li, Lu Li, Yilun Sui, Li Wang, Xiaojun Chen, Ji Xi, Yanting Wu, Li Jin, He-Feng Huang

Open Access Study protocol

Effect of intranasal insulin administration on postoperative delirium prevention in elderly cardiac surgery patients: study protocol for a multicenter, double-blind, randomized, controlled trial

Yosuke Nakadate, Mariko Yamada, Natsuyo Kusuyama, Ryota Ishii, Hiroaki Sato, Thomas Schricker, Makoto Tanaka

Open Access Study protocol

Cortico-cortical stimulation and robot-assisted therapy (CCS and RAT) for upper limb recovery after stroke: study protocol for a randomised controlled trial

Alex Martino Cinnera, Sonia Bonnì, Alessia D’Acunto, Michele Maiella, Matteo Ferraresi, Elias Paolo Casula, Valentina Pezzopane, Marco Tramontano, Marco Iosa, Stefano Paolucci, Giovanni Morone, Giuseppe Vannozzi, Giacomo Koch