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Orphanet Journal of Rare Diseases

Ausgabe 1/2022

Inhalt (449 Artikel)

Open Access Research

The attitude of patients with progressive ataxias towards clinical trials

Gilbert Thomas-Black, Andrada Dumitrascu, Hector Garcia-Moreno, Julie Vallortigara, Julie Greenfield, Barry Hunt, Susan Walther, Mackenzie Wells, David R. Lynch, Hugh Montgomery, Paola Giunti

Open Access Research

Estimating the frequency of causal genetic variants in foetuses with congenital heart defects: a Chinese cohort study

Fengying Lu, Peng Xue, Bin Zhang, Jing Wang, Bin Yu, Jianbin Liu

Open Access Research

Postmarketing safety of orphan drugs: a longitudinal analysis of the US Food and Drug Administration database between 1999 and 2018

Min Fan, Adrienne Y. L. Chan, Vincent K. C. Yan, Xinning Tong, Lauren K. W. Lau, Eric Y. F. Wan, Eliza Y. T. Tam, Patrick Ip, Terry Y. Lum, Ian C. K. Wong, X. Li

Open Access Review

Impact of achondroplasia on Latin American patients: a systematic review and meta-analysis of observational studies

Virginia Fano, Chong A. Kim, Pablo Rosselli, Regina El Dib, Renée Shediac, Tatiana Magalhães, Debora Mesojedovas, Juan Llerena Jr

Open Access Position statement

A post pandemic roadmap toward remote assessment for neuromuscular disorders: limitations and opportunities

Jacqueline Montes, Katy J. Eichinger, Amy Pasternak, Cara Yochai, Kristin J. Krosschell

Open Access Research

Cardiac device implantation and device usage in Fabry and hypertrophic cardiomyopathy

Ravi Vijapurapu, William Bradlow, Francisco Leyva, James C. Moon, Abbasin Zegard, Nigel Lewis, D. Kotecha, Ana Jovanovic, Derralynn A. Hughes, Peter Woolfson, Richard P. Steeds, Tarekegn Geberhiwot

Open Access Research

Small fiber neuropathy for assessment of disease severity in amyotrophic lateral sclerosis: corneal confocal microscopy findings

Jiayu Fu, Ji He, Yixuan Zhang, Ziyuan Liu, Haikun Wang, Jiameng Li, Lu Chen, Dongsheng Fan

Open Access Research

A retrospective cohort study on European Reference Network for Rare Vascular Diseases 5 outcome measures for Hereditary Haemorrhagic Telangiectasia in Denmark

Troels Hvelplund, Bibi Lange, Susanne Djernes Bird, Malene Korsholm, Anette Drøhse Kjeldsen

Open Access Research

Development and validation of Gaucher disease type 1 (GD1)-specific patient-reported outcome measures (PROMs) for clinical monitoring and for clinical trials

Deborah Elstein, Nadia Belmatoug, Patrick Deegan, Özlem Göker-Alpan, Derralynn A. Hughes, Ida Vanessa D. Schwartz, Neal Weinreb, Nicola Bonner, Charlotte Panter, Donna Fountain, Andrew Lenny, Louise Longworth, Rachael Miller, Koonal Shah, Jörn Schenk, Rohini Sen, Ari Zimran

Open Access Research

Molecular and clinical characterization of autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy syndrome (APECED) in Iranian non-Jewish patients: report of two novel AIRE gene pathogenic variants

Aria Setoodeh, Samareh Panjeh-Shahi, Fariba Bahmani, Fatemeh Vand-Rajabpour, Nazanin Jalilian, Fatemeh Sayarifard, Farzaneh Abbasi, Azadeh Sayarifard, Parastoo Rostami, Nima Parvaneh, Haleh Akhavan-Niaki, Mohamadreza Ahmadifard, Mina Tabrizi

Open Access Research

The PID Life Index: an interactive tool to measure the status of the PID healthcare environment in any given country

Leire Solís, Julia Nordin, Johan Prevot, Nizar Mahlaoui, Silvia Sánchez-Ramón, Adli Ali, Elodie Cassignol, John W. Seymour, Martine Pergent

Open Access Letter to the Editor

Ketogenic diet for mitochondrial disease: potential role in treating the Multiple Symmetric Lipomatosis phenotype associated with the common MT-TK genetic mutation

Andre Mattman, Elizabeth Nadeau, Michelle M. Mezei, Mark Cresswell, Sida Zhao, Taryn Bosdet, Don D. Sin, Jordan A. Guenette, Isabelle Dupuis, Emily Allin, David C. Clarke

Open Access Research

Neuronal Ceroid Lipofuscinosis Type 6 (CLN6) clinical findings and molecular diagnosis: Costa Rica’s experience

R. Badilla-Porras, A. Echeverri-McCandless, J. M. Weimer, A. Ulate-Campos, A. Soto-Rodríguez, A. Gutiérrez-Mata, L. Hernández-Con, S. Bogantes-Ledezma, A. Balmaceda-Meza, J. Brudvig, A. Sanabria-Castro

Open Access Review

Experienced fatigue in people with rare disorders: a scoping review on characteristics of existing research

Trine Bathen, Heidi Johansen, Hilde Strømme, Gry Velvin

Open Access Research

Magnetic resonance findings may aid in diagnosis of protracted febrile myalgia syndrome: a retrospective, multicenter study

Neta Aviran, Gil Amarilyo, Yaniv Lakovsky, Rotem Tal, Jenny Garkaby, Rubi Haviv, Yosef Uziel, Shiri Spielman, Hamada Mohammad Natour, Yonatan Herman, Oded Scheuerman, Yonatan Butbul Aviel, Yoel Levinsky, Liora Harel

Open Access Research

Understanding the ecosystem of patients with lysosomal storage diseases in Spain: a qualitative research with patients and health care professionals

Juan de Dios García-Díaz, Mónica López-Rodríguez, Montserrat Morales-Conejo, Antoni Riera-Mestre

Open Access Correction

Correction to: Hepatobiliary disease in XLMTM: a common comorbidity with potential impact on treatment strategies

Adele D’Amico, Antonella Longo, Fabiana Fattori, Michele Tosi, Luca Bosco, Maria Beatrice Chiarini Testa, Maria Giovanna Paglietti, Claudio Cherchi, Adelina Carlesi, Irene Mizzoni, Enrico Bertini

Open Access Research

Growth pattern trajectories in boys with Duchenne muscular dystrophy

Georgia Stimpson, Sarah Raquq, Mary Chesshyre, Mary Fewtrell, Deborah Ridout, Anna Sarkozy, Adnan Manzur, Vandana Ayyar Gupta, Ramona De Amicis, Francesco Muntoni, Giovanni Baranello, Gautam Ambegaonkar, Zoya Alhaswani, Alex Baxter, Anne-Marie Childs, Gabby Chow, Christian De Goede, Miguel Fernandez, Frances Gibbon, Vasantha Gowda, Michela Guglieri, Tony Hart, Gemunu Hewawitharana, Iain Horrocks, Imelda Hughes, Marjorie Illingworth, Deepa Krishnakumar, Anirban Majumdar, Chiara Marini-Bettolo, Min Ong, Deepak Parasuraman, Sithara Ramdas, Laurent Servais, Kate Skone, Stefan Spinty, Elma Stephens, Volker Straub, Sandya Tirupathi, Neil Thomas, Tracey Willis, Cathy White, Jarod Wong, Elizabeth Wraige, Kayal Vijayakumar, Karen Naismith

Open Access Correction

Correction to: Biochemical and genetic characteristics of patients with primary carnitine deficiency identified through newborn screening

Yiming Lin, Bangbang Lin, Yanru Chen, Zhenzhu Zheng, Qingliu Fu, Weihua Lin, Weifeng Zhang

Open Access Research

Osteogenesis Imperfecta: characterization of fractures during pregnancy and post-partum

Eugénie Koumakis, Valérie Cormier-Daire, Azeddine Dellal, Marc Debernardi, Bernard Cortet, Françoise Debiais, Rose-Marie Javier, Thierry Thomas, Nadia Mehsen-Cetre, Martine Cohen-Solal, Elisabeth Fontanges, Michel Laroche, Valérie Porquet-Bordes, Christian Marcelli, Alexandra Benachi, Karine Briot, Christian Roux, Catherine Cormier

Open Access Review

Development of a standard of care for patients with valosin-containing protein associated multisystem proteinopathy

Manisha Korb, Allison Peck, Lindsay N. Alfano, Kenneth I. Berger, Meredith K. James, Nupur Ghoshal, Elise Healzer, Claire Henchcliffe, Shaida Khan, Pradeep P. A. Mammen, Sujata Patel, Gerald Pfeffer, Stuart H. Ralston, Bhaskar Roy, William W. Seeley, Andrea Swenson, Tahseen Mozaffar, Conrad Weihl, Virginia Kimonis, Roberto Fanganiello, Grace Lee, Ryan Patrick Mahoney, Jordi Diaz-Manera, Teresinha Evangelista, Miriam Freimer, Thomas E. Lloyd, Benison Keung, Hani Kushlaf, Margherita Milone, Merrilee Needham, Johanna Palmio, Tanya Stojkovic, Rocío-Nur Villar-Quiles, Leo H. Wang, Matthew P. Wicklund, Frederick R. Singer, Mallory Jones, Bruce L. Miller, S. Ahmad Sajjadi, Andre Obenaus, Michael D. Geschwind, Ammar Al-Chalabi, James Wymer, Nita Chen, Katie Kompoliti, Stephani C. Wang, Catherine A. Boissoneault, Betsaida Cruz-Coble, Kendrea L. Garand, Anna J. Rinholen, Lauren Tabor-Gray, Jeffrey Rosenfeld, Ming Guo, Nathan Peck

Open Access Research

Whole-body MRI evaluation in neurofibromatosis type 1 patients younger than 3 years old and the genetic contribution to disease progression

Eungu Kang, Yoon-Myung Kim, Yunha Choi, Yena Lee, JunYoung Kim, In Hee Choi, Han-Wook Yoo, Hee Mang Yoon, Beom Hee Lee

Open Access Research

Fetal therapies and trials for lysosomal storage diseases: a survey of attitudes of parents and patients

Marisa E. Schwab, Julia E. H. Brown, Billie Lianoglou, Chengshi Jin, Patricia C. Conroy, Renata C. Gallagher, Paul Harmatz, Tippi C. MacKenzie

Open Access Research

Key patient-reported outcomes in children and adolescents with intoxication-type inborn errors of metabolism: an international Delphi-based consensus

Florin Bösch, Nina A. Zeltner, Matthias R. Baumgartner, Martina Huemer, Markus A. Landolt

Open Access Letter to the Editor

Phelan-McDermid syndrome: a classification system after 30 years of experience

Katy Phelan, Luigi Boccuto, Craig M. Powell, Tobias M. Boeckers, Conny van Ravenswaaij-Arts, R. Curtis Rogers, Carlo Sala, Chiara Verpelli, Audrey Thurm, William E. Bennett Jr., Christopher J. Winrow, Sheldon R. Garrison, Roberto Toro, Thomas Bourgeron

Open Access Research

Aerobic capacity and skeletal muscle characteristics in glycogen storage disease IIIa: an observational study

Philip J. Hennis, Elaine Murphy, Rick I. Meijer, Robin H. Lachmann, Radha Ramachandran, Claire Bordoli, Gurinder Rayat, David J. Tomlinson

Open Access Research

Novel insights into PORCN mutations, associated phenotypes and pathophysiological aspects

Annabelle Arlt, Nicolai Kohlschmidt, Andreas Hentschel, Enrika Bartels, Claudia Groß, Ana Töpf, Pınar Edem, Nora Szabo, Albert Sickmann, Nancy Meyer, Ulrike Schara-Schmidt, Jarred Lau, Hanns Lochmüller, Rita Horvath, Yavuz Oktay, Andreas Roos, Semra Hiz

Open Access Review

Potential influences on optimizing long-term musculoskeletal health in children and adolescents with X-linked hypophosphatemia (XLH)

Francis H. Glorieux, Lynda F. Bonewald, Nicholas C. Harvey, Marjolein C. H. van der Meulen

Open Access Research

Antibodies against recombinant human alpha-glucosidase do not seem to affect clinical outcome in childhood onset Pompe disease

Harmke A. van Kooten, Imke A. M. Ditters, Marianne Hoogeveen-Westerveld, Edwin H. Jacobs, Johanna M. P. van den Hout, Pieter A. van Doorn, W. W. M. Pim Pijnappel, Ans T. van der Ploeg, Nadine A. M. E. van der Beek

Open Access Research

Impact of progressive familial intrahepatic cholestasis on caregivers: caregiver-reported outcomes from the multinational PICTURE study

Claudia Mighiu, Sonia O’Hara, Enrico Ferri Grazzi, Karen F. Murray, Jörn M. Schattenberg, Emily Ventura, Melanie Karakaidos, Alison Taylor, Harpreet Brrang, Anil Dhawan, Jose Willemse, Alan Finnegan

Open Access Review

Adult-onset CblC deficiency: a challenging diagnosis involving different adult clinical specialists

Silvia Kalantari, Brigida Brezzi, Valeria Bracciamà, Antonella Barreca, Paolo Nozza, Tiziana Vaisitti, Antonio Amoroso, Silvia Deaglio, Marco Manganaro, Francesco Porta, Marco Spada

Open Access Research

Atypical skeletal involvement in patients with Erdheim–Chester disease: CT imaging findings

Zaizhu Zhang, Wei Yu, Wenmin Guan, Qiang Lin, Ali Guermazi

Open Access Research

Caregivers’ experience of sleep management in Smith–Magenis syndrome: a mixed-methods study

Georgie Agar, Stacey Bissell, Lucy Wilde, Nigel Over, Caitlin Williams, Caroline Richards, Chris Oliver

Open Access Research

Patients’ access to rare neuromuscular disease therapies varies across US private insurers

Nikoletta M. Margaretos, Komal Bawa, Natalie J. Engmann, James D. Chambers

Open Access Research

Neuroradiological differentiation of white matter lesions in patients with multiple sclerosis and Fabry disease

Jakob Rath, Olivia Foesleitner, Lukas Haider, Hubert Bickel, Fritz Leutmezer, Stephan Polanec, Michael A. Arnoldner, Gere Sunder-Plassmann, Daniela Prayer, Thomas Berger, Paulus Rommer, Gregor Kasprian

Open Access Research

Quality of life outcomes in two phase 3 trials of setmelanotide in patients with obesity due to LEPR or POMC deficiency

Peter Kühnen, Martin Wabitsch, Julia von Schnurbein, Costel Chirila, Usha G. Mallya, Patrick Callahan, Ari Gnanasakthy, Christine Poitou, Philipp M. Krabusch, Murray Stewart, Karine Clément

Open Access Research

Intermediate-dose cytarabine is an effective therapy for adults with non-Langerhans cell histiocytosis

Ting Liu, Hua-cong Cai, Hao Cai, Miao Chen, Wei Zhang, Jian Li, Dao-bin Zhou, Xin-xin Cao

Open Access Research

A cross-sectional study of gender differences in quality of life domains in patients with neurofibromatosis type 1

G. Hamoy-Jimenez, H. A. Elahmar, M. Mendoza, R. H. Kim, V. Bril, C. Barnett

Open Access Research

Contraceptive use in women with inherited metabolic disorders: a retrospective study and literature review

Jessica I. Gold, Nina B. Gold, Diva D. DeLeon, Rebecca Ganetzky

Open Access Research

Do clinical guidelines facilitate or impede drivers of treatment in Fabry disease?

Derralynn A. Hughes, Patrício Aguiar, Olivier Lidove, Kathleen Nicholls, Albina Nowak, Mark Thomas, Roser Torra, Bojan Vujkovac, Michael L. West, Sandro Feriozzi

Open Access Research

Awareness and agreement with neurofibromatosis care guidelines among U.S. neurofibromatosis specialists

Vanessa L. Merker, Pamela Knight, Heather B. Radtke, Kaleb Yohay, Nicole J. Ullrich, Scott R. Plotkin, Justin T. Jordan

Open Access Research

Diagnostic value of fetal hemoglobin Bart’s for evaluation of fetal α-thalassemia syndromes: application to prenatal characterization of fetal anemia caused by undiagnosed α-hemoglobinopathy

Kritsada Singha, Supawadee Yamsri, Attawut Chaibunruang, Hataichanok Srivorakun, Kanokwan Sanchaisuriya, Goonnapa Fucharoen, Supan Fucharoen

Open Access Review

Is physical activity a future therapy for patients with Marfan syndrome?

Steeve Jouini, Olivier Milleron, Ludivine Eliahou, Guillaume Jondeau, Damien Vitiello

Open Access Research

Dual guidance structure for evaluation of patients with unclear diagnosis in centers for rare diseases (ZSE-DUO): study protocol for a controlled multi-center cohort study

Helge Hebestreit, Cornelia Zeidler, Christopher Schippers, Martina de Zwaan, Jürgen Deckert, Peter Heuschmann, Christian Krauth, Monika Bullinger, Alexandra Berger, Mark Berneburg, Lilly Brandstetter, Anna Deibele, Jan Dieris-Hirche, Holm Graessner, Harald Gündel, Stephan Herpertz, Gereon Heuft, Anne-Marie Lapstich, Thomas Lücke, Tim Maisch, Christine Mundlos, Andrea Petermann-Meyer, Susanne Müller, Stephan Ott, Lisa Pfister, Julia Quitmann, Marcel Romanos, Frank Rutsch, Kristina Schaubert, Katharina Schubert, Jörg B. Schulz, Susann Schweiger, Oliver Tüscher, Kathrin Ungethüm, Thomas O. F. Wagner, Kirsten Haas, Federica Akkaya, Christine Babka, Lavinia Bârlescu, Anja Bärsch-Michelmann, Astrid Bergbreiter, Janika Blömeke, Leonie Böhm, Benita Böttger, Birgit Braun, Folke Brinkmann, Vanessa Britz, Holger Cario, Melisa Celiker, Moritz de Greck, Klaus-Michael Debatin, Katrin Dillmann-Jehn, Max Ertl, Monika Ettinger, Jutta Eymann, Jörg Frommer, Martina Gabrian, Anja Glode, Vega Gödecke, Corinna Grasemann, Eva Grauer, Helmut Greger, Astrid Haas, Martina Haase, Lea Haisch, Isabel Heinrich, Melissa Held, Julia Hennermann, Anne Herrmann-Werner, Julian Hett, Bettina Hilbig, Laura Holthöfer, Christiane Imhof, Titus Jacob, Florian Junne, Stefanie Karl, Jan Kassubek, Lisa Kick, Kevin-Thomas Koschitzki, Heike Krassort, Christian Kratz, Kaja Kristensen, Birgit Kropff, Julia Kuhn, Philipp Latzko, Thomas Loew, Delia Lorenz, Albert C. Ludolph, Isabell Meyer dos Santos, Torsten Meyer, Klaus Mohnike, Martina Monninger, Thomas Musacchio, Amalia Nicole Nanciu, Margret Nießen, Mariell Nöhre, Aikaterini Papagianni, Christina Pfeifer-Duck, Lea-Sophie Piduhn, Carina Rampp, Antonia Richter, Olaf Rieß, Annika Schmidt, Simone Schneider, Ludger Schoels, Martina Schwalba, Udo Selig, Astrid Spangenberger, Alexandra Sroka, Toni Steinbüchel, Sebastian Stösser, Steffi Suchant, Matthias Vogel, Daniela Volk, Christoph Vollmuth, Solange Volnov, Sabrina Walter, Bodo Warrings, Christine Weiler, Stefanie Witt, Kamil Kajetan Zajt, Lena Zeltner, Karola Zenker, Kailun David Zhang, Stephan Zipfel

Open Access Research

Modified Delphi procedure-based expert consensus on endpoints for an international disease registry for Metachromatic Leukodystrophy: The European Metachromatic Leukodystrophy initiative (MLDi)

Daphne H. Schoenmakers, Shanice Beerepoot, Sibren van den Berg, Laura Adang, Annette Bley, Jaap-Jan Boelens, Francesca Fumagalli, Wim G. Goettsch, Sabine Grønborg, Samuel Groeschel, Peter M. van Hasselt, Carla E. M. Hollak, Caroline Lindemans, Fanny Mochel, Peter G. M. Mol, Caroline Sevin, Ayelet Zerem, Ludger Schöls, Nicole I. Wolf

Open Access Research

Development of models of care coordination for rare conditions: a qualitative study

Holly Walton, Amy Simpson, Angus I. G. Ramsay, Amy Hunter, Jennifer Jones, Pei Li Ng, Kerry Leeson-Beevers, Lara Bloom, Joe Kai, Maria Kokocinska, Alastair G. Sutcliffe, Stephen Morris, Naomi J. Fulop

Open Access Research

Clinical measurement of cellular DNA damage hypersensitivity in patients with DNA repair defects

Ola Hammarsten, Anna Lyytikäinen, Sofia Thunström, Torben Ek, Anders Fasth, Olov Ekwall, Sara Cajander, Emilie Wahren Borgström, C. I. Edvard Smith, Pegah Johansson

Open Access Research

Clinical disease characteristics of patients with Niemann-Pick Disease Type C: findings from the International Niemann-Pick Disease Registry (INPDR)

Shaun C. Bolton, Vina Soran, Mercedes Pineda Marfa, Jackie Imrie, Paul Gissen, Helena Jahnova, Reena Sharma, Simon Jones, Saikat Santra, Ellen Crushell, Miriam Stampfer, Maria Jose Coll, Charlotte Dawson, Toni Mathieson, James Green, Andrea Dardis, Bruno Bembi, Marc C. Patterson, Marie T. Vanier, Tarekegn Geberhiwot

Open Access Review

Risk factors for pregnancy-related clinical outcome in myasthenia gravis: a systemic review and meta-analysis

Manqiqige Su, Xiaoqing Liu, Liang Wang, Jie Song, Zhirui Zhou, Sushan Luo, Chongbo Zhao

Open Access Research

Structural and functional foot disorders in patients with genodermatoses: a single-centre, retrospective chart review

Aldona Pietrzak, Bartlomiej Wawrzycki, Matthias Schmuth, Katarzyna Wertheim-Tysarowska

Open Access Research

Is it possible to implement a rare disease case-finding tool in primary care? A UK-based pilot study

Orlando Buendia, Sneha Shankar, Hadley Mahon, Connor Toal, Lara Menzies, Pradeep Ravichandran, Jane Roper, Jag Takhar, Rudy Benfredj, Will Evans

Open Access Research

Untangling neurodevelopmental disorders in the adulthood: a movement disorder is the clue

Elisabetta Indelicato, Michael Zech, Matthias Amprosi, Sylvia Boesch

Open Access Research

Assessing the role of blood pressure in amyotrophic lateral sclerosis: a Mendelian randomization study

Kailin Xia, Linjing Zhang, Lu Tang, Tao Huang, Dongsheng Fan

Open Access Research

Long-term clinical efficacy of topical treatment with recombinant human nerve growth factor in neurotrophic keratopathy: a novel cure for a rare degenerative corneal disease?

Alice Bruscolini, Marco Marenco, Giuseppe Maria Albanese, Alessandro Lambiase, Marta Sacchetti

Open Access Review

Challenges and improvement needs in the care of patients with central diabetes insipidus

H. Teare, J. Argente, M. Dattani, J. Leger, M. Maghnie, M. Sherlock, G.-C. Ali, J. Francombe, S. Marjanovic

Open Access Correction

Correction to: Diagnostic utility of next-generation sequencing-based panel testing in 543 patients with suspected skeletal dysplasia

Alicia Scocchia, Tiia Kangas-Kontio, Melita Irving, Matti Hero, Inka Saarinen, Liisa Pelttari, Kimberly Gall, Satu Valo, Johanna M. Huusko, Jonna Tallila, Johanna Sistonen, Juha Koskenvuo, Tero-Pekka Alastalo

Open Access Research

Diagnostic yield of next-generation sequencing in 87 families with neurodevelopmental disorders

María Isabel Álvarez-Mora, Aurora Sánchez, Laia Rodríguez-Revenga, Jordi Corominas, Raquel Rabionet, Susana Puig, Irene Madrigal

Open Access Review

Congenital hyperinsulinism in infancy and childhood: challenges, unmet needs and the perspective of patients and families

Indraneel Banerjee, Julie Raskin, Jean-Baptiste Arnoux, Diva D. De Leon, Stuart A. Weinzimer, Mette Hammer, David M. Kendall, Paul S. Thornton

Open Access Research

Therapeutic potential of living donor liver transplantation from heterozygous carrier donors in children with propionic acidemia

Zhi-Gui Zeng, Guang-Peng Zhou, Lin Wei, Wei Qu, Ying Liu, Yu-Le Tan, Jun Wang, Li-Ying Sun, Zhi-Jun Zhu

Open Access Research

Eight months follow-up of corneal nerves and sensitivity after treatment with cenegermin for neurotrophic keratopathy

Emilio Pedrotti, Erika Bonacci, Chiara Chierego, Alessandra De Gregorio, Tiziano Cozzini, Tommaso Brighenti, Grazia Caldarella, Giovanlorenzo Pastore, Adriano Fasolo, Giorgio Marchini

Open Access Research

RETRACTED ARTICLE: Multidisciplinary management for Peutz–Jeghers syndrome and prevention of vertical transmission to offspring using preimplantation genetic testing

Xiqiao Xu, Ruifeng Song, Kaiyue Hu, Ya Li, Haixia Jin, Bing Chen, Wenyan Song, Yile Zhang, Jiawei Xu, Yingpu Sun

Open Access Research

Genetic findings of Sanger and nanopore single-molecule sequencing in patients with X-linked hearing loss and incomplete partition type III

Ying Chen, Jiajun Qiu, Yingwei Wu, Huan Jia, Yi Jiang, Mengda Jiang, Zhili Wang, Hai-Bin Sheng, Lingxiang Hu, Zhihua Zhang, Zhaoyan Wang, Yun Li, Zhiwu Huang, Hao Wu

Open Access Research

Application of a next-generation sequencing (NGS) panel in newborn screening efficiently identifies inborn disorders of neonates

Xinwen Huang, Dingwen Wu, Lin Zhu, Wenjun Wang, Rulai Yang, Jianbin Yang, Qunyan He, Bingquan Zhu, Ying You, Rui Xiao, Zhengyan Zhao

Open Access Research

An overview of the trajectory of Brazilian individuals with 22q11.2 deletion syndrome until diagnosis

Isabela Mayá Wayhs Silva, Vera Lúcia Gil-da-Silva-Lopes

Open Access Research

Transition from child to adult health care for patients with lysosomal storage diseases in France: current status and priorities—the TENALYS study, a patient perspective survey

Delphine Genevaz, Armelle Arnoux, Catherine Marcel, Anaïs Brassier, Samia Pichard, François Feillet, François Labarthe, Brigitte Chabrol, Marc Berger, Anne-Sophie Lapointe, Yvann Frigout, Bénédicte Héron, Gilles Chatellier, Nadia Belmatoug

Open Access COVID-19 Research

The presentation, course and outcome of COVID-19 infection in people with Prader-Willi syndrome: unexpected findings from an international survey

J. E. Whittington, A. J. Holland, D. J. Driscoll, N. Hodebeck-Stuntebeck, A. Hoctor

Open Access Research

Natural history of respiratory muscle strength in spinal muscular atrophy: a prospective national cohort study

Esther S. Veldhoen, Camiel A. Wijngaarde, Erik H. J. Hulzebos, Roelie M. Wösten-van Asperen, Renske I. Wadman, Ruben P. A. van Eijk, Fay Lynn Asselman, Marloes Stam, Louise A. M. Otto, Inge Cuppen, Feline E. V. Scheijmans, Laura P. Verweij-van den Oudenrijn, Bart Bartels, Michael A. Gaytant, Cornelis K. van der Ent, W. Ludo van der Pol

Open Access Letter to the Editor

Exploring intersectionality: an international yet individual issue

Zainab Alani

Open Access Research

Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study

Carl Michael Baravelli, Aasne Karine Aarsand, Sverre Sandberg, Mette Christophersen Tollånes

Open Access Research

Collaborative research protocol to define patient-reported experience measures of the cystic fibrosis care pathway in France: the ExPaParM study

D. Pougheon Bertrand, A. Fanchini, P. Lombrail, G. Rault, A. Chansard, N. Le Breton, C. Frenod, F. Milon, C. Heymes-Royer, D. Segretain, M. Silber, S. Therouanne, J. Haesebaert, C. Llerena, P. Michel, Q. Reynaud

Open Access Research

Secondary peripheral chondrosarcoma arising in solitary osteochondroma: variables influencing prognosis and survival

Alberto Righi, Marina Pacheco, Stefania Cocchi, Sofia Asioli, Marco Gambarotti, Davide Maria Donati, Andrea Evangelista, Maria Gnoli, Manuela Locatelli, Marina Mordenti, Manila Boarini, Evelise Brizola, Elena Pedrini, Luca Sangiorgi

Open Access Research

Understanding disease symptoms and impacts and producing qualitatively-derived severity stages for MPS IIIA: a mixed methods approach

Sally Lanar, Samantha Parker, Cara O’Neill, Alexia Marrel, Benoit Arnould, Bénédicte Héron, Nicole Muschol, Frits A. Wijburg, Anupam Chakrapani, Sophie Olivier, Karen Aiach

Open Access Research

Rare disorders have many faces: in silico characterization of rare disorder spectrum

Simona D. Frederiksen, Vladimir Avramović, Tatiana Maroilley, Anna Lehman, Laura Arbour, Maja Tarailo-Graovac

Open Access Research

Craniofacial and dentoalveolar morphology in individuals with Prader–Willi syndrome: a case-control study

Gisela Vasconcelos, Jo S. Stenehjem, Stefan Axelsson, Ronnaug Saeves

Open Access Research

A Japanese single-center experience of the efficacy and safety of asfotase alfa in pediatric-onset hypophosphatasia

Yohei Sugiyama, Taijiro Watanabe, Makiko Tajika, Tetsuro Matsuhashi, Masaru Shimura, Takuya Fushimi, Keiko Ichimoto, Ayako Matsunaga, Tomohiro Ebihara, Tomoko Tsuruoka, Tomoyuki Akiyama, Kei Murayama

Open Access Research

Healthcare resource utilization, total costs, and comorbidities among patients with myotonic dystrophy using U.S. insurance claims data from 2012 to 2019

Sarah J. Howe, David Lapidus, Michael Hull, Jason Yeaw, Tanya Stevenson, Jacinda B. Sampson

Open Access Research

Wilson disease in Northern Portugal: a long-term follow-up study

Isabel Garrido, Margarida Marques, Rodrigo Liberal, Hélder Cardoso, Susana Lopes, Guilherme Macedo

Open Access Research

A complex pheotype in a girl with a novel heterozygous missense variant (p.Ile56Phe) of the GNAS gene

Paolo Cavarzere, Andrea Gastaldi, Francesca Marta Elli, Rossella Gaudino, Erika Peverelli, Milena Brugnara, Susanne Thiele, Francesca Granata, Giovanna Mantovani, Franco Antoniazzi

Open Access Position statement

Epidemiology of rare diseases in Brazil: protocol of the Brazilian Rare Diseases Network (RARAS-BRDN)

Têmis Maria Félix, Bibiana Mello de Oliveira, Milena Artifon, Isabelle Carvalho, Filipe Andrade Bernardi, Ida V. D. Schwartz, Jonas A. Saute, Victor E. F. Ferraz, Angelina X. Acosta, Ney Boa Sorte, Domingos Alves, Tatiana Amorim, Gisele Maria Araujo Felix Adjuto, Rosemarie Elizabeth Schimidt Almeida, Flávia Resedá Brandão, Larissa Souza Mario Bueno, Maria Denise Fernandes Carvalho de Andrade, Cristina Iacovelo Cagliari, Maria Terezinha Cardoso, Ellaine Doris Fernandes Carvalho, Marcela Câmara Machado Costa, Antonette El-Husny, Lavinia Schuler Faccini, Rodrigo Ambrosio Fock, Rodrigo Neves Florêncio, Marcial Francis Galera, Roberto Giugliani, Liane de Rosso Giuliani, Anette S. Grumach, Dafne G. Horovitz, Juan Clinton Llerena-Junior, Chong A. E. Kim, Rayana Elias Maia, Ana Maria Martins, Paula Frassinetti Vasconcelos de Medeiros, Nina Rosa de Castro Musolino, Marcelo Eidi Nita, Henrique Gil da Silva Nunesmaia, Jose Carlison Santos de Oliveira, Wagner José Martins Paiva, Helena Pimentel, Louise Lapagesse de Camargo Pinto, Vânia Mesquita Gadelha Prazeres, Betânia de Freitas Rodrigues Ribeiro, Erlane Ribeiro, Márcia Maria Jardim Rodrigues, Maria José Sparça Salles, Maria Teresa Vieira Sanseverino, Eliane Pereira dos Santos, Mara Lucia Schmitz Ferreira Santos, Flávia Mori Sarti, Luiz Carlos Santana da Silva, Raquel Tavares Boy da Silva, Carlos Eduardo Steiner, Ana Beatriz Winter Tavares, Thais Bonfim Teixeira, Alberto Vergara, Paulo Ricardo Gazzola Zen, Marcos Guimarães Zuchetti

Open Access Research

Considerations on diagnosis and surveillance measures of PTEN hamartoma tumor syndrome: clinical and genetic study in a series of Spanish patients

Laura Pena-Couso, María Ercibengoa, Fátima Mercadillo, David Gómez-Sánchez, Lucía Inglada-Pérez, María Santos, Javier Lanillos, David Gutiérrez-Abad, Almudena Hernández, Pablo Carbonell, Rocío Letón, Mercedes Robledo, Cristina Rodríguez-Antona, José Perea, Miguel Urioste, Miguel Ángel Alonso, Raquel Andrés, Sara Arévalo, María del Mar Arias, Judith Balmaña, Elena Beristain, Ignacio Blanco, Mauro Boronat, Joan Brunet, María Victoria Cózar, Miguel del Campo, Arantza Díaz, Elisabeth Gabau, María Jesús Barcina, Margarita González, Miriam Guitart, Imma Hernán, Héctor Salvador Hernández, Susana Hernando, Carmen Lacambra, Adriana Lasa, Enrique Lastra, Gemma Llort, María del Rosario Marín, David Marrupe, Francisco Martínez, Víctor Martínez, Loreto Martorell, María Orera, Susana Pedrinaci, Pedro Pérez, Marta Pineda, Ana María Plasencia, Teresa Ramón y Cajal, Luis Robles, Diana Rodà, Nuria Rodríguez, Jordi Rosell, Raquel Sáez, Mónica Salvat, Antonio Sánchez, Alfredo Santana, José Luis Soto, Agustín Toll, Anna Tuneu, Carlos Vázquez

Open Access Research

Compound genetic etiology in a patient with a syndrome including diabetes, intellectual deficiency and distichiasis

Lauriane Le Collen, Brigitte Delemer, Marta Spodenkiewicz, Pascale Cornillet Lefebvre, Emmanuelle Durand, Emmanuel Vaillant, Alaa Badreddine, Mehdi Derhourhi, Tarik Ait Mouhoub, Guillaume Jouret, Pauline Juttet, Pierre François Souchon, Martine Vaxillaire, Philippe Froguel, Amélie Bonnefond, Martine Doco Fenzy

Open Access Review

Transformative effect of a Humanitarian Program for individuals affected by rare diseases: building support systems and creating local expertise

I. C. Verma, A. El-Beshlawy, A. Tylki-Szymańska, A. Martins, Y.-L. Duan, T. Collin-Histed, M. Schoneveld van der Linde, R. Mansour, V. C. Dũng, Pramod K. Mistry

Open Access Research

Psychometric study of the SF-36v2 in hereditary angioedema due to C1 inhibitor deficiency (C1-INH-HAE)

Paola Palao-Ocharan, Nieves Prior, Elia Pérez-Fernández, Magdalena Caminoa, W. Aberer, S. Betschel, A. Bygum, R. A. Campos, D. Csuka, H. Farkas, C. Gómez-Traseira, A. S. Grumach, I. Leibovich, A. Malbran, D. Moldovan, E. Mihaly, K. Obtulowicz, G. Porebski, A. Reshef, P. Staubach, Teresa Caballero

Open Access Review

Expert opinion on the recognition, diagnosis and management of children and adults with Fabry disease: a multidisciplinary Turkey perspective

Fatih Ezgu, Erkan Alpsoy, Zerrin Bicik Bahcebasi, Ozgur Kasapcopur, Melis Palamar, Huseyin Onay, Binnaz Handan Ozdemir, Mehmet Akif Topcuoglu, Omac Tufekcioglu

Open Access Research

Addressing the need for patient-friendly medical communications: adaptation of the 2019 recommendations for the management of MPS VI and MPS IVA

Iain A. Bruce, Fatih S. Ezgü, Christoph Kampmann, Vladimir Kenis, William Mackenzie, Bob Stevens, Robert Walker, Christian Hendriksz

Open Access Research

Rosai–Dorfman–Destombes disease of the nervous system: a systematic literature review

Ruham Alshiekh Nasany, Anne S. Reiner, Jasmine H. Francis, Oussama Abla, Katherine S. Panageas, Eli L. Diamond

Open Access Research

Age-dependent oral manifestations of neurofibromatosis type 1: a case–control study

Eshwar Thota, John Jims Veeravalli, Sai Krishna Manchala, Bhargavi Priya Lakkepuram, Jayasurya Kodapaneni, Yi-Wen Chen, Li-Tzu Wang, Kevin Sheng-Kai Ma

Open Access Research

Arginase 1 Deficiency: using genetic databases as a tool to establish global prevalence

C. Catsburg, S. Anderson, N. Upadhyaya, M. Bechter

Open Access Review

Neurological signs, symptoms and MRI abnormalities in patients with congenital melanocytic naevi and evaluation of routine MRI-screening: systematic review and meta-analysis

Anne C. Fledderus, Anna Linn Widdershoven, Oren Lapid, Corstiaan C. Breugem, Suzanne G. M. A. Pasmans, Chantal M. A. M. van der Horst, Marc M. Engelen, Phyllis I. Spuls

Open Access Research

Convergence of patient- and physician-reported outcomes in the French National Registry of Facioscapulohumeral Dystrophy

Benoît Sanson, Caroline Stalens, Céline Guien, Luisa Villa, Catherine Eng, Sitraka Rabarimeriarijaona, Rafaëlle Bernard, Pascal Cintas, Guilhem Solé, Vincent Tiffreau, Andoni Echaniz-Laguna, Armelle Magot, Raul Juntas Morales, François Constant Boyer, Aleksandra Nadaj-Pakleza, Agnès Jacquin-Piques, Christophe Béroud, Sabrina Sacconi, Blandine Acket, Jean-Christophe Antoine, Shahram Attarian, Guillaume Bassez, Anne-Laure Bédat-Millet, Anthony Béhin, Rémi Bellance, Michela Bisciglia, Véronique Bombart, Rosalie Boitet, Pascale Bonnet, Françoise Bouhour, Célia Boutte, Brigitte Chabrol, Jean-Baptiste Chanson, Françoise Chapon, Ariane Choumert, Pauline Coignard, Jean-Yves Cornu, Benoît Daubail, Elisa De La Cruz, Léa Declerck, Capucine Delattre, Florence Demurger, Véronique Dulieu, Aurélie Duruflé, Fanny Duval, Florence Esselin, Teresinha Evangelista, Bruno Eymard, Anthony Faivre, Léonard Féasson, Xavier Ferrer, François Feuvrier, Olivier Flabeau, Mélanie Fradin, Alain Furby, Jérémy Garcia, Hélène Gervais-Bernard, Teresa Gidaro, Karima Ghorab, Marc Jeanpierre, Hubert Journel, Arnaud Lacour, Pascal Laforêt, Emmeline Lagrange, Valérie Layet, Gérard Leclaire, Jean-Luc Le Guiet, Gwenaël Le Guyader, François Leroy, France Leturcq, Nicolas Lévy, Sarah Léonard-Louis, Laurent Magy, Edoardo Malfatti, Marion Masingue, Gilles Mazaltarine, Dominique Ménard, Maud Michaud, Marie-Christine Minot-Myhié, Marie-Doriane Morard, Juliette Nectoux, Karine Nguyen, Julie Nicomette, Jean-Baptiste Noury, Sybille Pellieux, Laetitia Percebois-Macadré, Yann Péréon, Solange Perrin-Callot, Philippe Petiot, Sylviane Peudenier, Bénédicte Pontier, Florence Portet, Jean Pouget, Marguerite Preudhomme, Hélène Rauscent, Dimitri Renard, Audrey Riou, François Rivier, Emmanuelle Salort-Campana, Stéphane Schaeffer, Jean-Philippe Simon, Aurélie Siri, Marco Spinazzi, Tanya Stokovic, Juliette Svahn, François Tabaraud, Frédéric Taithe, Céline Tard, Christel Thauvin, Philippe Thoumie, Claire-Lise Tournier-Gervason, Christine Tranchant, Jon Andoni Urtizberea, Christophe Vial, Michel Vidaud, Fabien Zagnoli

Open Access Research

Identification of three novel homozygous variants in COL9A3 causing autosomal recessive Stickler syndrome

Aboulfazl Rad, Maryam Najafi, Fatemeh Suri, Soheila Abedini, Stephen Loum, Ehsan Ghayoor Karimiani, Narsis Daftarian, David Murphy, Mohammad Doosti, Afrooz Moghaddasi, Hamid Ahmadieh, Hamideh Sabbaghi, Mohsen Rajati, Narges Hashemi, Barbara Vona, Miriam Schmidts

Open Access Review

Primary immune regulatory disorders: Undiagnosed needles in the haystack?

Aisling M. Flinn, Andrew R. Gennery

Open Access Research

Biochemical algorithm to identify individuals with ALPL variants among subjects with persistent hypophosphatasaemia

C. Tornero, V. Navarro-Compán, A. Buño, K. E. Heath, M. Díaz-Almirón, A. Balsa, J. A. Tenorio, J. Quer, P. Aguado

Open Access Research

SATB2-associated syndrome: characterization of skeletal features and of bone fragility in a prospective cohort of 19 patients

M. Mouillé, M. Rio, S. Breton, M. L. Piketty, A. Afenjar, J. Amiel, Y. Capri, A. Goldenberg, C. Francannet, C. Michot, C. Mignot, L. Perrin, C. Quelin, J. Van Gils, G. Barcia, V. Pingault, G. Maruani, E. Koumakis, V. Cormier-Daire

Open Access Research

Co-occurrence of relapsing polychondritis and autoimmune thyroid diseases

Toshiki Nakajima, Hajime Yoshifuji, Yoshihisa Yamano, Kimiko Yurugi, Yasuo Miura, Taira Maekawa, Tsuneyasu Yoshida, Hiroshi Handa, Koichiro Ohmura, Tsuneyo Mimori, Chikashi Terao

Open Access COVID-19 Letter to the Editor

Mild disease course of SARS-CoV-2 infections and mild side effects of vaccination in Pompe disease: a cohort description

G. Ismailova, M. J. Mackenbach, J. M. P. van den Hout, A. T. van der Ploeg, E. Brusse, M. A. E. M. Wagenmakers

Open Access Research

Transcriptomic analysis of patients with clinical suspicion of maturity-onset diabetes of the young (MODY) with a negative genetic diagnosis

María E. Vázquez-Mosquera, Emiliano González-Vioque, Sofía Barbosa-Gouveia, Diego Bellido-Guerrero, Cristina Tejera-Pérez, Miguel A. Martinez-Olmos, Antía Fernández-Pombo, Luis A. Castaño-González, Roi Chans-Gerpe, María L. Couce

Open Access Review

Perfect match: mTOR inhibitors and tuberous sclerosis complex

Cong Luo, Wen-Rui Ye, Wei Shi, Ping Yin, Chen Chen, Yun-Bo He, Min-Feng Chen, Xiong-Bin Zu, Yi Cai

Open Access COVID-19 Research

Social and clinical impact of COVID-19 on patients with fibrodysplasia ossificans progressiva

Samuel Kou, Sammi Kile, Sai Samhith Kambampati, Evelyn C. Brady, Hayley Wallace, Carlos M. De Sousa, Kin Cheung, Lauren Dickey, Kelly L. Wentworth, Edward C. Hsiao

Open Access Review

Improving clinical trial readiness to accelerate development of new therapeutics for Rett syndrome

Helen Leonard, Wendy Gold, Rodney Samaco, Mustafa Sahin, Timothy Benke, Jenny Downs

Open Access COVID-19 Research

One year of COVID-19: infection rates and symptoms in patients with inherited metabolic diseases followed by MetabERN

Laura Paneghetti, Cinzia Maria Bellettato, Annalisa Sechi, Karolina M. Stepien, Maurizio Scarpa

Open Access Research

Bi-allelic mutation of CTNNB1 causes a severe form of syndromic microphthalmia, persistent foetal vasculature and vitreoretinal dysplasia

Rachel L. Taylor, Carla Sanjuro Soriano, Simon Williams, Denisa Dzulova, Jane Ashworth, Georgina Hall, Theodora Gale, I. Christopher Lloyd, Chris F. Inglehearn, Carmel Toomes, Sofia Douzgou, Graeme C. Black

Open Access Research

Genetic mutation spectrum of pantothenate kinase-associated neurodegeneration expanded by breakpoint sequencing in pantothenate kinase 2 gene

Dahae Yang, Sanghyun Cho, Sung Im Cho, Manjin Kim, Moon-Woo Seong, Sung Sup Park

Open Access Research

An international comparative analysis of public reimbursement of orphan drugs in Canadian provinces compared to European countries

Leanne Marie Ward, Alexandra Chambers, Emine Mechichi, Durhane Wong-Rieger, Craig Campbell

Open Access Research

Whole exome analysis of patients in Japan with hearing loss reveals high heterogeneity among responsible and novel candidate genes

Hideki Mutai, Yukihide Momozawa, Yoichiro Kamatani, Atsuko Nakano, Hirokazu Sakamoto, Tetsuya Takiguchi, Kiyomitsu Nara, Michiaki Kubo, Tatsuo Matsunaga

Open Access Research

White matter is increased in the brains of adults with neurofibromatosis 1

Su Wang, Jan M. Friedman, Per Suppa, Ralph Buchert, Victor-Felix Mautner

Open Access Research

The GAIRS Checklist: a useful global assessment tool in patients with Rett syndrome

Rosa Angela Fabio, Martina Semino, Samantha Giannatiempo

Open Access Research

Musculoskeletal diseases in Marfan syndrome: a nationwide registry study

Niels H. Andersen, Ellen-Margrethe Hauge, Thomas Baad-Hansen, Kristian A. Groth, Agnethe Berglund, Claus H. Gravholt, Kirstine Stochholm

Open Access Research

Physicians’ knowledge on specific rare diseases and its associated factors: a national cross-sectional study from China

Huanyu Zhang, Ying Xiao, Xinyue Zhao, Zhuang Tian, Shu-yang Zhang, Dong Dong

Open Access Research

Heterogeneous clinical features in Cockayne syndrome patients and siblings carrying the same CSA mutations

Asma Chikhaoui, Ichraf Kraoua, Nadège Calmels, Sami Bouchoucha, Cathy Obringer, Khouloud Zayoud, Benjamin Montagne, Ridha M’rad, Sonia Abdelhak, Vincent Laugel, Miria Ricchetti, Ilhem Turki, Houda Yacoub-Youssef

Open Access Research

Primary URECs: a source to better understand the pathology of renal tubular epithelia in pediatric hereditary cystic kidney diseases

Wolfgang H. Ziegler, Sarah Lüdiger, Fatima Hassan, Margarita E. Georgiadis, Kathrin Swolana, Amrit Khera, Arne Mertens, Doris Franke, Kai Wohlgemuth, Mareike Dahmer-Heath, Jens König, Claudia Dafinger, Max C. Liebau, Metin Cetiner, Carsten Bergmann, Birga Soetje, Dieter Haffner

Open Access Research

Association of MTHFR rs1801133 and homocysteine with Legg–Calvé–Perthes disease in Mexican patients

José Guillermo Buendía-Pazarán, Edgar Hernández-Zamora, Armando O. Rodríguez-Olivas, Leonora Casas-Ávila, Margarita Valdés-Flores, Elba Reyes-Maldonado

Open Access Research

Prevalence of thoracoabdominal imaging findings in tuberous sclerosis complex

David M. Ritter, Bailey K. Fessler, Daniel Ebrahimi-Fakhari, Jun Wei, David N. Franz, Darcy A. Krueger, Andrew T. Trout, Alexander J. Towbin

Open Access Review

Legg–Calvé–Perthes disease overview

Armando O. Rodríguez-Olivas, Edgar Hernández-Zamora, Elba Reyes-Maldonado

Open Access Research

Liver transplantation in glycogen storage disease: a single-center experience

Zahra Beyzaei, Alireza Shamsaeefar, Kurosh Kazemi, Saman Nikeghbalian, Ali Bahador, Masoud Dehghani, Seyed-Ali Malekhosseini, Bita Geramizadeh

Open Access Research

Systematic estimation of cystic fibrosis prevalence in Chinese and genetic spectrum comparison to Caucasians

Qi Ni, Xiang Chen, Ping Zhang, Lin Yang, Yulan Lu, Feifan Xiao, Bingbing Wu, Huijun Wang, Wenhao Zhou, Xinran Dong

Open Access Research

Development of a patient journey map for people living with cervical dystonia

Monika Benson, Alberto Albanese, Kailash P. Bhatia, Pascale Cavillon, Lorraine Cuffe, Kathrin König, Carola Reinhard, Holm Graessner

Open Access Review

A brief history of MECP2 duplication syndrome: 20-years of clinical understanding

Daniel Ta, Jenny Downs, Gareth Baynam, Andrew Wilson, Peter Richmond, Helen Leonard

Open Access Review

Systemic therapy of necrobiotic xanthogranuloma: a systematic review

Lisa Steinhelfer, Thomas Kühnel, Herbert Jägle, Stephanie Mayer, Sigrid Karrer, Frank Haubner, Stephan Schreml

Open Access Review

A review of the genetic spectrum of hereditary spastic paraplegias, inherited neuropathies and spinal muscular atrophies in Africans

Amokelani C. Mahungu, Nomakhosazana Monnakgotla, Melissa Nel, Jeannine M. Heckmann

Open Access Research

The road to successful people-centric research in rare diseases: the web-based case study of the Immunology and Congenital Disorders of Glycosylation questionnaire (ImmunoCDGQ)

Rita Francisco, Sandra Brasil, Carlota Pascoal, Jaak Jaeken, Merell Liddle, Paula A. Videira, Vanessa dos Reis Ferreira

Open Access Research

Analysis of the relationship between phenotypes and genotypes in 60 Chinese patients with propionic acidemia: a fourteen-year experience at a tertiary hospital

Yi Liu, Zhehui Chen, Hui Dong, Yuan Ding, Ruxuan He, Lulu Kang, Dongxiao Li, Ming Shen, Ying Jin, Yao Zhang, Jinqing Song, Yaping Tian, Yongtong Cao, Desheng Liang, Yanling Yang

Open Access Research

The landscape of Mucopolysaccharidosis in Southern and Eastern European countries: a survey from 19 specialistic centers

Anna Tylki-Szymańska, Zsuzsanna Almássy, Violetta Christophidou-Anastasiadou, Daniela Avdjieva-Tzavella, Ingeborg Barisic, Rimante Cerkauskiene, Goran Cuturilo, Maja Djiordjevic, Zoran Gucev, Anna Hlavata, Beata Kieć-Wilk, Martin Magner, Ivan Pecin, Vasilica Plaiasu, Mira Samardzic, Dimitrios Zafeiriou, Ioannis Zaganas, Christina Lampe

Open Access Research

Genotype–phenotype correlation and natural history analyses in a Chinese cohort with pelizaeus–merzbacher disease

Ruoyu Duan, Haoran Ji, Huifang Yan, Junyu Wang, Yu Zhang, Qian Zhang, Dongxiao Li, Binbin Cao, Qiang Gu, Ye Wu, Yuwu Jiang, Ming Li, Jingmin Wang

Open Access Research

Qualitative interviews with adults with Classic Galactosemia and their caregivers: disease burden and challenges with daily living

Jason A. Randall, Carolyn Sutter, Stella Wang, Evan Bailey, Lydia Raither, Riccardo Perfetti, Shoshana Shendelman, Claire Burbridge

Open Access Research

Delineation of dual molecular diagnosis in patients with skeletal deformity

Lian Liu, Liying Sun, Yujun Chen, Muchuan Wang, Chenxi Yu, Yingzhao Huang, Sen Zhao, Huakang Du, Shaoke Chen, Xin Fan, Wen Tian, Zhihong Wu, Guixing Qiu, Terry Jianguo Zhang, Nan Wu

Open Access Research

Lived experiences of patients with distal renal tubular acidosis treated with ADV7103 and of their caregivers: a qualitative study

Michaël Acquadro, Alexia Marrel, Maria A. Manso-Silván, Catherine Guittet, Sophie Joukoff, Aurélia Bertholet-Thomas

Open Access Research

Survival of children with rare structural congenital anomalies: a multi-registry cohort study

Alessio Coi, Michele Santoro, Anna Pierini, Judith Rankin, Svetlana V. Glinianaia, Joachim Tan, Abigail-Kate Reid, Ester Garne, Maria Loane, Joanne Given, Elisa Ballardini, Clara Cavero-Carbonell, Hermien E. K. de Walle, Miriam Gatt, Laura García-Villodre, Mika Gissler, Sue Jordan, Sonja Kiuru-Kuhlefelt, Stine Kjaer Urhoj, Kari Klungsøyr, Nathalie Lelong, L. Renée Lutke, Amanda J. Neville, Makan Rahshenas, Ieuan Scanlon, Diana Wellesley, Joan K. Morris

Open Access Correction

Correction to: Missense mutations in ITPR1 cause autosomal dominant congenital nonprogressive spinocerebellar ataxia

Lijia Huang, Jodi Warman-Chardon, Melissa T. Carter, Kathie L. Friend, Tracy E. Dudding, Jeremy Schwartzentruber, Ruobing Zou, Peter W. Schofield, Stuart Douglas, Dennis E. Bulman, Kym M. Boycott

Open Access Correction

Correction to: One hundred twelve cases of 46, XY DSD patients after initial gender assignment: a short-term survey of gender role and gender dysphoria

Liping Hou, Ming Zhao, Lijun Fan, Bingyan Cao, Jiajia Chen, Yonghua Cui, Michel Polak, Chunxiu Gong

Open Access Research

Safety and effectiveness of taliglucerase alfa in patients with Gaucher disease: an interim analysis of real-world data from a multinational drug registry (TALIAS)

Lina Titievsky, Tilman Schuster, Ronnie Wang, Muhammad Younus, Andrew Palladino, Kabir Quazi, Michael P. Wajnrajch, Betina Hernandez, Pamela S. Becker, Neal J. Weinreb, Christina Chambers, Roy Mansfield, Louise Taylor, Li-Jung Tseng, Paige Kaplan

Open Access Research

Expanding the phenotype of TTLL5-associated retinal dystrophy: a case series

Jin Kyun Oh, José G. Vargas Del Valle, Jose Ronaldo Lima de Carvalho Jr, Young Joo Sun, Sarah R. Levi, Joseph Ryu, Jing Yang, Takayuki Nagasaki, Andres Emanuelli, Nailyn Rasool, Rando Allikmets, Janet R. Sparrow, Natalio J. Izquierdo, Jacque L. Duncan, Vinit B. Mahajan, Stephen H. Tsang

Open Access Research

Epidermolysis Bullosa in children: the central role of the pediatrician

Maria Rosaria Marchili, Giulia Spina, Marco Roversi, Cristina Mascolo, Elisabetta Pentimalli, Marialuisa Corbeddu, Andrea Diociaiuti, Maya El Hachem, Alberto Villani

Open Access Research

Differential humanistic and economic burden of mild, moderate and severe haemophilia in european adults: a regression analysis of the CHESS II study

Idaira Rodriguez-Santana, Pronabesh DasMahapatra, Tom Burke, Zalmai Hakimi, José Bartelt-Hofer, Jameel Nazir, Jamie O’Hara

Open Access Research

Health-related quality of life, direct medical and societal costs among children with moderate or severe haemophilia in Europe: multivariable models of the CHESS-PAEDs study

Idaira Rodriguez-Santana, Pronabesh DasMahapatra, Tom Burke, Zalmai Hakimi, José Bartelt-Hofer, Jameel Nazir, Jamie O’Hara

Open Access Research

Clinical and molecular analysis of four unrelated Chinese families with pathogenic KLHL40 variants causing nemaline myopathy 8

Haiming Yuan, Qingming Wang, Xiumei Zeng, Peiqing He, Wanfang Xu, Hongmei Guo, Yanhui Liu, Yangyang Lin

Open Access Research

Clinical features and treatment outcomes of pediatric Langerhans cell histiocytosis with macrophage activation syndrome-hemophagocytic lymphohistiocytosis

Dong Wang, Xi-Hua Chen, Ang Wei, Chun-Ju Zhou, Xue Zhang, Hong-Hao Ma, Hong-Yun Lian, Li Zhang, Qing Zhang, Xiao-Tong Huang, Chan-Juan Wang, Ying Yang, Wei Liu, Tian-You Wang, Zhi-Gang Li, Lei Cui, Rui Zhang

Open Access Research

Refractory serositis in Gorham–Stout syndrome

Hong Di, Bingqing Zhang, Na Xu, Yue Yin, Xinxin Han, Yun Zhang, Xuejun Zeng

Open Access Research

Common needs in uncommon conditions: a qualitative study to explore the need for care in pediatric patients with rare diseases

Rosanne M. Smits, Eline Vissers, Rosan te Pas, Noor Roebbers, Wout F. J. Feitz, Iris A. L. M. van Rooij, Ivo de Blaauw, Chris M. Verhaak

Open Access Research

The experiences of people with haemophilia and their families of gene therapy in a clinical trial setting: regaining control, the Exigency study

Simon Fletcher, Kathryn Jenner, Luke Pembroke, Michael Holland, Kate Khair

Open Access Research

Dose-finding studies in drug development for rare genetic diseases

Lingshan Wang, Jie Wang, Ji Feng, Mary Doi, Salvatore Pepe, Michael Pacanowski, Robert N. Schuck

Open Access Review

Assessing the value of orphan drugs using conventional cost-effectiveness analysis: Is it fit for purpose?

Maarten J. Postma, Declan Noone, Mark H. Rozenbaum, John A. Carter, Marc F. Botteman, Elisabeth Fenwick, Louis P. Garrison

Open Access Review

Challenges in diagnosis and management of acute hepatic porphyrias: from an uncommon pediatric onset to innovative treatments and perspectives

Matteo Marcacci, Andrea Ricci, Chiara Cuoghi, Stefano Marchini, Antonello Pietrangelo, Paolo Ventura

Open Access Research

Health utilities and costs for neuromyelitis optica spectrum disorder

Dyfrig A. Hughes, Siobhan Bourke, Angela Jones, Rikesh Bhatt, Saif Huda, Kerry Mutch, Anu Jacob

Open Access Research

Designing rare disease care pathways in the Republic of Ireland: a co-operative model

A. J. Ward, D. Murphy, R. Marron, V. McGrath, M. Bolz-Johnson, W. Cullen, A. Daly, O. Hardiman, A. Lawlor, S. A. Lynch, M. MacLachlan, J. McBrien, S. Ni Bhriain, J. J. O’Byrne, S. M. O’Connell, J. Turner, E. P. Treacy

Open Access Research

Fulfillment status of hypertriglyceridemia and hypofibrinogenemia in children with hemophagocytic lymphohistiocytosis and risks of multiple organ dysfunction syndrome and early mortality

Xun Li, Haipeng Yan, Ting Luo, Zhenghui Xiao, Ling Gong, Jiaotian Huang, Xinping Zhang, Mincui Zheng, Zhenya Yao, Ping Zang, Desheng Zhu, Xiulan Lu

Open Access Research

The national economic burden of rare disease in the United States in 2019

Grace Yang, Inna Cintina, Anne Pariser, Elisabeth Oehrlein, Jamie Sullivan, Annie Kennedy

Open Access Research

Clinical characteristics of multicentric reticulohistiocytosis and distinguished features from rheumatoid arthritis: a single-center experience in China

Xiao-juan Zou, Lin Qiao, Feng Li, Hua Chen, Yun-jiao Yang, Dong Xu, Wen-Jie Zheng, Zhen-yu Jiang, Li Wang, Qing-jun Wu, Feng-Chun Zhang

Open Access Research

Consequences of rare diagnoses for education and daily life: development of an observation instrument

Gunilla Jaeger, AnnCatrin Röjvik, Erland Hjelmquist, André Hansla, Kerstin W. Falkman

Open Access COVID-19 Research

Increased COVID-19 mortality rate in rare disease patients: a retrospective cohort study in participants of the Genomics England 100,000 Genomes project

Huayu Zhang, Johan H. Thygesen, Ting Shi, Georgios V. Gkoutos, Harry Hemingway, Bruce Guthrie, Honghan Wu

Open Access Review

The involvement of rare disease patient organisations in therapeutic innovation across rare paediatric neurological conditions: a narrative review

Christina Q. Nguyen, Kristine Alba-Concepcion, Elizabeth E. Palmer, Jackie L. Scully, Nicole Millis, Michelle A. Farrar

Open Access Review

Current challenges and opportunities in the care of patients with fibrodysplasia ossificans progressiva (FOP): an international, multi-stakeholder perspective

Robert J. Pignolo, Christopher Bedford-Gay, Amanda Cali, Michelle Davis, Patricia L. R. Delai, Kristi Gonzales, Candace Hixson, Alastair Kent, Hope Newport, Manuel Robert, Christiaan Scott, Frederick S. Kaplan

Open Access Correction

Correction to: A complex pheotype in a girl with a novel heterozygous missense variant (p.Ile56Phe) of the GNAS gene

Paolo Cavarzere, Andrea Gastaldi, Francesca Marta Elli, Rossella Gaudino, Erika Peverelli, Milena Brugnara, Susanne Thiele, Francesca Granata, Giovanna Mantovani, Franco Antoniazzi

Open Access Research

Developing a taxonomy of care coordination for people living with rare conditions: a qualitative study

Holly Walton, Amy Simpson, Angus I. G. Ramsay, Emma Hudson, Amy Hunter, Jennifer Jones, Pei Li Ng, Kerry Leeson-Beevers, Lara Bloom, Joe Kai, Larissa Kerecuk, Maria Kokocinska, Alastair G. Sutcliffe, Stephen Morris, Naomi J. Fulop

Open Access Review

Gastrointestinal Kohlmeier–Degos disease: a narrative review

Samantha S. Sattler, Cynthia M. Magro, Lee Shapiro, Jamie F. Merves, Rebecca Levy, Jesse Veenstra, Puraj Patel

Open Access Research

Development of the Clinical Gestalt Assessment: a visual clinical global impression scale for Proteus syndrome

Christopher A. Ours, Mia B. Hodges, Neal Oden, Julie C. Sapp, Leslie G. Biesecker

Open Access Review

Clinical overview and outcome of the Stuve-Wiedemann syndrome: a systematic review

Hélène Warnier, Christophe Barrea, Sarah Bethlen, Isabelle Schrouff, Julie Harvengt

Open Access Review

The research output of rod-cone dystrophy genetics

Lama Jaffal, Zamzam Mrad, Mariam Ibrahim, Ali Salami, Isabelle Audo, Christina Zeitz, Said El Shamieh

Open Access Research

Small fiber involvement is independent from clinical pain in late-onset Pompe disease

Elena K. Enax-Krumova, Iris Dahlhaus, Jonas Görlach, Kristl G. Claeys, Federica Montagnese, llka Schneider, Dietrich Sturm, Tanja Fangerau, Hannah Schlierbach, Angela Roth, Julia V. Wanschitz, Wolfgang N. Löscher, Anne-Katrin Güttsches, Stefan Vielhaber, Rebecca Hasseli, Lea Zunk, Heidrun H. Krämer, Andreas Hahn, Benedikt Schoser, Angela Rosenbohm, Anne Schänzer

Open Access Research

Genetic insight into Birt–Hogg–Dubé syndrome in Indian patients reveals novel mutations at FLCN

Anindita Ray, Esita Chattopadhyay, Richa Singh, Saurabh Ghosh, Arnab Bera, Mridul Sarma, Mahavir Munot, Unnati Desai, Sujeet Rajan, Pralhad Prabhudesai, Ashish K. Prakash, Sushmita Roy Chowdhury, Niladri Bhowmick, Raja Dhar, Zarir F. Udwadia, Atin Dey, Subhra Mitra, Jyotsna M. Joshi, Arindam Maitra, Bidyut Roy

Open Access Research

Current clinical practice for thromboprophylaxis management in patients with Cushing’s syndrome across reference centers of the European Reference Network on Rare Endocrine Conditions (Endo-ERN)

F. M. van Haalen, M. Kaya, I. C. M. Pelsma, O. M. Dekkers, N. R. Biermasz, S. C. Cannegieter, M. V. Huisman, B. J. M. van Vlijmen, R. A. Feelders, F. A. Klok, A. M. Pereira, K. Stochholm, E. Fliers, F. Castinetti, T. Brue, J. Bertherat, C. Scaroni, A. Colao, R. Giordano, M. R. Druce, A. Beckers, J. Spranger, N. Driessens, D. Maiter, U. Feldt-Rasmussen, R. Feelders, S. M. Webb, M. Dattani, E. Husebye, B. Zilaitiene, S. Gaztambide, F. Gatto, D. Ferone, L. Persani, I. Chiodini, C. Höybye, A. M. Pereira, N. R. Biermasz, F. A. Klok, O. M. Dekkers, O. C. Meijer, M. Reincke, G. Vila, C. Perry, A. Heck, M. R. Stancampiano, A. van de Ven, G. Johannsson, O. Ragnarsson, M. Tóth, V. Volke, M. Toumba, L. Canu, J. Vojtková, M. Al-Mrayat, M. Fassnacht, M. Detomas, N. Karavitaki, M. M. van der Klauw, U. Groselj, A. Elenkova, D. Unuane

Open Access Research

Clinical and genetic characterization of a cohort of 97 CLN6 patients tested at a single center

Corina-Marcela Rus, Thomas Weissensteiner, Catarina Pereira, Iuliana Susnea, Bright D. Danquah, Galina Morales Torres, Maria Eugenia Rocha, Claudia Cozma, Deepa Saravanakumar, Sumanth Mannepalli, Krishna K. Kandaswamy, Sebastiano Di Bucchianico, Ralf Zimmermann, Arndt Rolfs, Peter Bauer, Christian Beetz

Open Access Correction

Correction: Porphyria cutanea tarda and patterns of long-term sick leave and disability pension: a 24-year nationwide matched-cohort study

Carl Michael Baravelli, Aasne Karine Aarsand, Sverre Sandberg, Mette Christophersen Tollånes

Open Access Research

The impact of FDA and EMA regulatory decision-making process on the access to CFTR modulators for the treatment of cystic fibrosis

Enrico Costa, Silvia Girotti, Francesca Pauro, Hubert G. M. Leufkens, Marco Cipolli

Open Access Research

Various vascular malformations are prevalent in Finnish pseudoxanthoma elasticum (PXE) patients: a national registry study

Saku Pelttari, Suvi Väärämäki, Olivier Vanakker, Shana Verschuere, Hannu Uusitalo, Heini Huhtala, Tero Hinkka, Ilkka Pörsti, Pasi I. Nevalainen

Open Access Review

Application of Bayesian methods to accelerate rare disease drug development: scopes and hurdles

Kelley M. Kidwell, Satrajit Roychoudhury, Barbara Wendelberger, John Scott, Tara Moroz, Shaoming Yin, Madhurima Majumder, John Zhong, Raymond A. Huml, Veronica Miller

Open Access Review

Do patients with Prader–Willi syndrome have favorable glucose metabolism?

Yanjie Qian, Fangling Xia, Yiming Zuo, Mianling Zhong, Lili Yang, Yonghui Jiang, Chaochun Zou

Open Access Research

Key measurement concepts and appropriate clinical outcome assessments in pediatric achondroplasia clinical trials

Natalie V. J. Aldhouse, Helen Kitchen, Chloe Johnson, Chris Marshall, Hannah Pegram, Sheryl Pease, Sam Collins, Christine L. Baker, Katherine Beaverson, Chandler Crews, Jill Massey, Kathleen W. Wyrwich

Open Access Research

Beyond the clinical context: the process of losing oneself living with Huntington’s disease

Luz-Estella Varela, María-Mercedes Arias, María-Antonia Martorell-Poveda, Clara V. Giraldo, Rosa A. Estrada-Acuña

Open Access Research

Mapping the PIK3CA-related overgrowth spectrum (PROS) patient and caregiver journey using a patient-centered approach

Lara Rodríguez-Laguna, Kristen Davis, Mellenee Finger, Dawn Aubel, Robin Vlamis, Craig Johnson

Open Access Position statement

Consensus statement on enzyme replacement therapy for mucopolysaccharidosis IVA in Central and South-Eastern European countries

Martin Magner, Zsuzsanna Almássy, Zoran Gucev, Beata Kieć-Wilk, Vasilica Plaiasu, Anna Tylki-Szymańska, Dimitrios Zafeiriou, Ioannis Zaganas, Christina Lampe

Open Access Position statement

Unlocking sociocultural and community factors for the global adoption of genomic medicine

Lynsey Chediak, Nicola Bedlington, Ayesha Gadson, Alastair Kent, Aiedah Abdul Khalek, Luke Rosen, Malisa Rust, Mohd. Farooq Shaikh, Meng Yoe Tan, Samuel Agyei Wiafe, Gareth Baynam, Charles A. Steward

Open Access Research

Understanding the role of SGLT2 inhibitors in glycogen storage disease type Ib: the experience of one UK centre

Rebecca K. Halligan, R. Neil Dalton, Charles Turner, Katherine A. Lewis, Helen R. Mundy

Open Access Review

Dilated cardiomyopathy as the initial presentation of Becker muscular dystrophy: a systematic review of published cases

Gaspar Del Rio-Pertuz, Cristina Morataya, Kanak Parmar, Sarah Dubay, Erwin Argueta-Sosa

Open Access Research

Healthcare access, satisfaction, and health-related quality of life among children and adults with rare diseases

Kathleen Bogart, Amanda Hemmesch, Erica Barnes, Thomas Blissenbach, Arthur Beisang, Patti Engel, Jakub Tolar, Tim Schacker, Lisa Schimmenti, Nicole Brown, Kelly Morrison, Tony Albright, Matt Klein, Julia Coleman, Karl Nelsen, Rae Blaylark, Karri LaFond, Sheldon Berkowitz, Kris Ann Schultz, Kerry Hansen, Soraya Beiraghi, Barbara Joers, David Tilstra, Amy Gaviglio, Lee A. Jones, Abigail Miller, Jackie Foster

Open Access Review

Clinical and genetic spectrums of 413 North African families with inherited retinal dystrophies and optic neuropathies

Aymane Bouzidi, Hicham Charoute, Majida Charif, Ghita Amalou, Mostafa Kandil, Abdelhamid Barakat, Guy Lenaers

Open Access Review

Genetic determinants of syndactyly: perspectives on pathogenesis and diagnosis

Afraah Cassim, Dineshani Hettiarachchi, Vajira H. W. Dissanayake

Open Access Research

The prevalence of Fabry disease among 1009 unrelated patients with hypertrophic cardiomyopathy: a Russian nationwide screening program using NGS technology

K. Savostyanov, A. Pushkov, I. Zhanin, N. Mazanova, S. Trufanov, A. Pakhomov, A. Alexeeva, D. Sladkov, A. Asanov, A. Fisenko

Open Access Research

A mixed method study on the impact of living with spinal muscular atrophy in Malaysia from patients’ and caregivers’ perspectives

Gaik Siew Ch’ng, Karina Koh, Azlina Ahmad-Annuar, Fahisham Taib, Cha Ling Koh, Edmund Soon Chin Lim

Open Access Research

Intravenous administration of a branched-chain amino-acid-free solution in children and adults with acute decompensation of maple syrup urine disease: a prospective multicentre observational study

Jean-Meidi Alili, Marie-Pierre Berleur, Marie-Caroline Husson, Karine Mention, Manuel Schiff, Jean-Baptiste Arnoux, Anaïs Brassier, Anne-Sophie Guemman, Coraline Grisel, Sandrine Dubois, Marie-Thérèse Abi-Wardé, Christine Broissand, Aude Servais, Myriam Dao, Pascale de Lonlay

Open Access Research

Tranilast for advanced heart failure in patients with muscular dystrophy: a single-arm, open-label, multicenter study

Tsuyoshi Matsumura, Hiroya Hashimoto, Masahiro Sekimizu, Akiko M. Saito, Yasufumi Motoyoshi, Akinori Nakamura, Satoshi Kuru, Takayasu Fukudome, Kazuhiko Segawa, Toshiaki Takahashi, Takuhisa Tamura, Tetsuo Komori, Chigusa Watanabe, Masanori Asakura, Koichi Kimura, Yuko Iwata

Open Access Research

Birt-Hogg-Dubé syndrome encountered at rare lung disease clinic in Anhui province, China

Guofeng Zhang, Jinli Liu, Yushuo Wang, Yue Wang, Xianliang Jiang, Yan Peng, Jun Xiao, Wei Wei, Bing Shen, Long Yi, Jay H. Ryu, Xiaowen Hu

Open Access Research

UPRmt activation improves pathological alterations in cellular models of mitochondrial diseases

Juan M. Suárez-Rivero, Carmen J. Pastor-Maldonado, Suleva Povea-Cabello, Mónica Álvarez-Córdoba, Irene Villalón-García, Marta Talaverón-Rey, Alejandra Suárez-Carrillo, Manuel Munuera-Cabeza, Diana Reche-López, Paula Cilleros-Holgado, Rocío Piñero-Perez, José A. Sánchez-Alcázar

Open Access Correction

Correction to: Congenital hyperinsulinism in infancy and childhood: challenges, unmet needs and the perspective of patients and families

Indraneel Banerjee, Julie Raskin, Jean-Baptiste Arnoux, Diva D. De Leon, Stuart A. Weinzimer, Mette Hammer, David M. Kendall, Paul S. Thornton

Open Access Research

Different electrophysiology patterns in GNE myopathy

Xiangyi Liu, Yingshuang Zhang, Shuo Zhang, Aping Sun, Danfeng Zheng, Dongsheng Fan, Xiaoxuan Liu

Open Access Research

Transition to adult care of young patients with neurofibromatosis type 1 and cognitive deficits: a single-centre study

S. Lausdahl, M. M. Handrup, S. L. Rubak, M. D. Jensen, C. Ejerskov

Open Access Research

Factors of family impact in a Swedish–German cohort of children born with esophageal atresia

Michaela Dellenmark-Blom, Kate Abrahamsson, Jens Dingemann, Stefanie Witt, Carmen Dingemann, Linus Jönsson, Vladimir Gatzinsky, Monika Bullinger, Benno M. Ure, John E. Chaplin, Julia H. Quitmann

Open Access Research

Phenotype expansion of variants affecting p38 MAPK signaling in hypospadias patients

Defu Lin, Huakang Du, Sen Zhao, Bowen Liu, Hongcheng Song, Guannan Wang, Weiping Zhang, Haiyan Liang, Pei Liu, Chao Liu, Wenwen Han, Zhenwu Li, Yang Yang, Shuofan Chen, Lina Zhao, Xiaoxin Li, Zhihong Wu, Guixing Qiu, Zhihong Wu, Terry Jianguo Zhang, Nan Wu, Shengru Wang, Jiaqi Liu, Sen Liu, Yuzhi Zuo, Gang Liu, Chenxi Yu, Lian Liu, Jiashen Shao, Sen Zhao, Zihui Yan, Hengqiang Zhao, Yuchen Niu, Xiaoxin Li, Huizi Wang, Congcong Ma, Zefu Chen, Bowen Liu, Xi Cheng, Jiachen Lin, Huakang Du, Yaqi Li, Shuang Song, Weijie Tian, Zhixin Xie, Zhengye Zhao, Lina Zhao, Zhi Zhao, Zhifa Zheng, Yingzhao Huang, Ning Sun, Nan Wu

Open Access Research

Shortcutting the diagnostic odyssey: the multidisciplinary Program for Undiagnosed Rare Diseases in adults (UD-PrOZA)

Nika Schuermans, Dimitri Hemelsoet, Wim Terryn, Sanne Steyaert, Rudy Van Coster, Paul J. Coucke, Wouter Steyaert, Bert Callewaert, Elke Bogaert, Patrick Verloo, Arnaud V. Vanlander, Elke Debackere, Jody Ghijsels, Pontus LeBlanc, Hannah Verdin, Leslie Naesens, Filomeen Haerynck, Steven Callens, Bart Dermaut, Bruce Poppe, Jan De Bleecker, Patrick Santens, Paul Boon, Guy Laureys, Tessa Kerre

Open Access Review

Diagnostic value of congenital pulmonary airway malformation volume ratio for fetal hydrops due to congenital lung malformations: a systematic review and meta-analysis

Pei Zhu, Kaisheng Cheng, Mingsheng He, Yutong Wang, Pengyue Shen, Kanglin He, Chang Xu, Ben Zhang, Zhenmi Liu

Open Access Research

Clinical and genetic spectrum of 14 cases of NLRP3-associated autoinflammatory disease (NLRP3-AID) in China and a review of the literature

Yu Zhou, Wei Wang, Linqing Zhong, Lin Wang, Mingsheng Ma, Xiaoyan Tang, Zhuo Li, Changyan Wang, Lijuan Gou, Tiannan Zhang, Hongmei Song

Open Access Research

Identification of novel non-HFE mutations in Chinese patients with hereditary hemochromatosis

Wei Zhang, Yanmeng Li, Anjian Xu, Qin Ouyang, Liyan Wu, Donghu Zhou, Lina Wu, Bei Zhang, Xinyan Zhao, Yu Wang, Xiaoming Wang, Weijia Duan, Qianyi Wang, Hong You, Jian Huang, Xiaojuan Ou, Jidong Jia

Open Access Review

AAV-vector based gene therapy for mitochondrial disease: progress and future perspectives

Allison R. Hanaford, Yoon-Jae Cho, Hiroyuki Nakai

Open Access Research

Analysis of 55 patients with multiple endocrine neoplasia type 1-associated insulinoma from a single center in China

Yuan Zhao, Jie Yu, Yiwen Liu, Lu Lyu, Fan Ping, Lingling Xu, Wei Li, Ou Wang, Qiang Xu, Wenming Wu, Huabing Zhang, Yuxiu Li

Open Access Research

A lack of race and ethnicity data in the treatment of hereditary hemorrhagic telangiectasia: a systematic review of intravenous bevacizumab efficacy

Panagis Galiatsatos, Cheri Wilson, Jaime O’Brien, Anna J. Gong, Dylan Angiolillo, James Johnson, Carlie Myers, Sara Strout, Stephen Mathai, Gina Robinson, Nicholas R. Rowan, Clifford R. Weiss

Open Access Research

Analysis of the genotypic profile and its relationship with the clinical manifestations in people with cystic fibrosis: study from a rare disease registry

Senay Rueda-Nieto, Pedro Mondejar-Lopez, María-Pilar Mira-Escolano, Ana Cutillas-Tolín, Luis Alberto Maceda-Roldán, Julián Jesús Arense-Gonzalo, Joaquín A. Palomar-Rodríguez

Open Access Review

Recommendations for the diagnosis and management of childhood Prader-Willi syndrome in China

Dai Yang-Li, Luo Fei-Hong, Zhang Hui-Wen, Ma Ming-Sheng, Luo Xiao-Ping, Liu Li, Wang Yi, Zhou Qing, Jiang Yong-Hui, Zou Chao-Chun, Shan Xiao-Ou, Yang Yu, Zhang Hui-Feng, Tian Zhi-Liang, Sun Bo, Lu Mei, Cheng Ya-Ying, Yang Ying, Yu Xiong-Ying, Zhang Jing, Chen Xiao-Hong, Yang Fan, Ma Hong-Wei, MireguIi Maimaiti, Zhang Gai-Xiu, Chen Xiao-Hong, Li Gui-Mie, Tong Fan, Zhi Ming-Qiang, Zhou Qiong, Gao Yuan, Wang Kan, Ying Xiao-Ming, Zhang Jian-Ping, Wang Chun-Lin, Jiang Chun-Ming, Xiao Rui

Open Access Letter to the Editor

An update on choroidal abnormalities and retinal microvascular changes in neurofibromatosis type 1

Fabiana Mallone, Luca Lucchino, Sandra Giustini, Alessandro Lambiase, Antonietta Moramarco

Open Access Research

Literature review and expert opinion on the impact of achondroplasia on medical complications and health-related quality of life and expectations for long-term impact of vosoritide: a modified Delphi study

Ravi Savarirayan, Wagner Baratela, Thomas Butt, Valérie Cormier-Daire, Melita Irving, Bradley S. Miller, Klaus Mohnike, Keiichi Ozono, Ron Rosenfeld, Angelo Selicorni, Dominic Thompson, Klane K. White, Michael Wright, Svein O. Fredwall

Open Access Research

Identification of ER/SR resident proteins as biomarkers for ER/SR calcium depletion in skeletal muscle cells

Lacey K. Greer, Katherine G. Meilleur, Brandon K. Harvey, Emily S. Wires

Open Access Letter to the Editor

Lifetime extension and the recent cause of death in Werner syndrome: a retrospective study from 2011 to 2020

Hisaya Kato, Masaya Koshizaka, Hiyori Kaneko, Yoshiro Maezawa, Koutaro Yokote

Open Access Review

The health-related quality of life, mental health and mental illnesses of patients with inclusion body myositis (IBM): results of a mixed methods systematic review

Katja C. Senn, Laura Gumbert, Simone Thiele, Sabine Krause, Maggie C. Walter, Klaus H. Nagels

Open Access Research

Development and pilot implementation of Iranian Hemolytic Uremic Syndrome Registry

Mina Lazem, Nakysa Hooman, Abbas Sheikhtaheri

Open Access Research

A registry of achondroplasia: a 6-year experience from the Czechia and Slovak Republic

Martin Pesl, Hana Verescakova, Linda Skutkova, Jana Strenkova, Pavel Krejci

Open Access Position statement

Increasing African genomic data generation and sharing to resolve rare and undiagnosed diseases in Africa: a call-to-action by the H3Africa rare diseases working group

Aimé Lumaka, Nadia Carstens, Koenraad Devriendt, Amanda Krause, Benard Kulohoma, Judit Kumuthini, Gerrye Mubungu, John Mukisa, Melissa Nel, Timothy O. Olanrewaju, Zané Lombard, Guida Landouré

Open Access Research

The symptom experience of hereditary angioedema (HAE) patients beyond HAE attacks: literature review and clinician interviews

Milenka Jean-Baptiste, Robbin Itzler, Subhransu Prusty, Dylan Supina, Mona L. Martin

Open Access Research

The diagnostic odyssey: insights from parents of children living with an undiagnosed condition

Alicia Bauskis, Cecily Strange, Caron Molster, Colleen Fisher

Open Access Research

Thirty-year clinical outcomes after haematopoietic stem cell transplantation in neuronopathic Gaucher disease

Aimee Donald, Cecilia Kämpe Björkvall, Ashok Vellodi, Timothy M. Cox, Derralyn Hughes, Simon A. Jones, Robert Wynn, Maciej Machaczka

Open Access Research

A deep phenotyping experience: up to date in management and diagnosis of Malan syndrome in a single center surveillance report

Marina Macchiaiolo, Filippo M. Panfili, Davide Vecchio, Michaela V. Gonfiantini, Fabiana Cortellessa, Cristina Caciolo, Marcella Zollino, Maria Accadia, Marco Seri, Marcello Chinali , Corrado Mammì, Marco Tartaglia, Andrea Bartuli, Paolo Alfieri, Manuela Priolo

Open Access Research

Clinical and genetic profile of patients enrolled in the Transthyretin Amyloidosis Outcomes Survey (THAOS): 14-year update

Angela Dispenzieri, Teresa Coelho, Isabel Conceição, Márcia Waddington-Cruz, Jonas Wixner, Arnt V. Kristen, Claudio Rapezzi, Violaine Planté-Bordeneuve, Juan Gonzalez-Moreno, Mathew S. Maurer, Martha Grogan, Doug Chapman, Leslie Amass, Pablo Garcia Pavia, Ivaylo Tarnev, Jose Gonzalez Costello, Maria Alejandra Gonzalez Duarte Briseno, Hartmut Schmidt, Brian Drachman, Fabio Adrian Barroso, Taro Yamashita, Olivier Lairez, Yoshiki Sekijima, Giuseppe Vita, Eun-Seok Jeon, Mazen Hanna, David Slosky, Marco Luigetti, Samantha LoRusso, Francisco Munoz Beamud, David Adams, Henning Moelgaard, Rayomand Press, Calogero Lino Cirami, Hans Nienhuis, Josep Maria Campistol Plana, Jocelyn Inamo, Daniel Jacoby, Michele Emdin, Dianna Quan, Scott Hummel, Ronald Witteles, Amir Dori, Sanjiv Shah, Daniel Lenihan, Olga Azevedo, Srinivas Murali, Sasa Zivkovic, Soon Chai Low, Jose Nativi-Nicolau, Nowell Fine, Jose Tallaj, Carsten Tschoepe, Roberto Fernandéz Torrón, Michael Polydefkis, Giampaolo Merlini, Sorina Badelita, Stephen Gottlieb, James Tauras, Edileide Barros Correia, Hector Ventura, Burkhard Gess, Felix Darstein, Jeeyoung Oh, Tessa Marburger, Johan Van Cleemput, Valeria Lujan Salutto, Yesim Parman, Chi-Chao Chao, Nitasha Sarswat, Christopher Mueller, David Steidley, Jeffrey Ralph, Alberta Warner, William Cotts, James Hoffman, Marcelo Rugiero, Sonoko Misawa, Jose Luis Munoz Blanco, Lucia Galan Davila, Menachem Sadeh, Jin Luo, Theodoros Kyriakides, Annabel Wang, Horacio Kaufmann, Sasa Zivkovic

Open Access Letter to the Editor

What role can decentralized trial designs play to improve rare disease studies?

J. Moore, N. Goodson, P. Wicks, J. Reites

Open Access Review

Twenty years of the Fabry Outcome Survey (FOS): insights, achievements, and lessons learned from a global patient registry

Michael Beck, Uma Ramaswami, Elizabeth Hernberg-Ståhl, Derralynn A. Hughes, Christoph Kampmann, Atul B. Mehta, Kathleen Nicholls, Dau-Ming Niu, Guillem Pintos-Morell, Ricardo Reisin, Michael L. West, Jörn Schenk, Christina Anagnostopoulou, Jaco Botha, Roberto Giugliani

Open Access Review

Glycogen storage diseases with liver involvement: a literature review of GSD type 0, IV, VI, IX and XI

Miriam Massese, Francesco Tagliaferri, Carlo Dionisi-Vici, Arianna Maiorana

Open Access Research

Postoperative morbidity and health-related quality of life in children with delayed reconstruction of esophageal atresia: a nationwide Swedish study

Michaela Dellenmark-Blom, Sofie Örnö Ax, Elin Öst, Jan F. Svensson, Ann-Marie Kassa, Linus Jönsson, Kate Abrahamsson, Vladimir Gatzinsky, Pernilla Stenström, AnnaMaria Tollne, Erik Omling, Helene Engstrand Lilja

Open Access Research

Dermatologic manifestations in paediatric neurofibromatosis type 2: a cross sectional descriptive multicentric study

S. Legoupil, D. Bessis, F. Picard, S. Mallet, J. Mazereeuw, A. Phan, D. Dupin-Deguine, M. Kalamarides, C. Chiaverini

Open Access Review

Mitochondrial bioenergetic is impaired in Monocarboxylate transporter 1 deficiency: a new clinical case and review of the literature

Sinziana Stanescu, Irene Bravo-Alonso, Amaya Belanger-Quintana, Belen Pérez, Montserrat Medina-Diaz, Pedro Ruiz-Sala, Nathaly Paola Flores, Raquel Buenache, Francisco Arrieta, Pilar Rodríguez-Pombo

Open Access Research

Dissociation of early and late face-related processes in autism spectrum disorder and Williams syndrome

Alice Gomez, Guillaume Lio, Manuela Costa, Angela Sirigu, Caroline Demily

Open Access Research

Analysis of risk factors affecting union and refracture after combined surgery for congenital pseudarthrosis of the tibia: a retrospective study of 255 cases

Zhuoyang Li, Hui Yu, Yiyong Huang, Yaoxi Liu, Guanghui Zhu, Qian Tan, Haibo Mei, Ge Yang

Open Access Research

Lombardy diagnostic and therapeutic network of thrombotic microangiopathy

I. Mancini, P. Agosti, M. Boscarino, B. Ferrari, A. Artoni, R. Palla, M. Spreafico, G. Crovetti, E. Volpato, S. Rossini, C. Novelli, S. Gattillo, L. Barcella, M. Salmoiraghi, A. Falanga, F. Peyvandi, Flora Peyvandi, Andrea Artoni, Barbara Ferrari, Roberta Palla, Ilaria Mancini, Pasquale Agosti, Marta Spreafico, Giovanni Crovetti, Elisabetta Volpato, Silvano Rossini, Anna Falanga, Laura Russo, Luca Barcella, Salvatore Gattillo, Chiara Novelli, Enrico Capuzzo, Marco D’Agostino, Porcari Moreno, Inzoli Alessandro, Pagani Ambrogio

Open Access Research

Identification of a novel splicing mutation and genotype–phenotype correlations in rare PLS3-related childhood-onset osteoporosis

Zhichong Wu, Zhenhua Feng, Xiufen Zhu, Zhicheng Dai, Kaixing Min, Yong Qiu, Long Yi, Leilei Xu, Zezhang Zhu

Open Access Research

Characterizing the neurological phenotype of the hyperinsulinism hyperammonemia syndrome

Elizabeth Rosenfeld, Ravi Prakash Reddy Nanga, Alfredo Lucas, Andrew Y. Revell, Allison Thomas, Nina H. Thomas, David R. Roalf, Russell T. Shinohara, Ravinder Reddy, Kathryn A. Davis, Diva D. De León

Open Access Research

Patient-reported outcomes in a Chinese cohort of osteogenesis imperfecta unveil psycho-physical stratifications associated with clinical manifestations

Peikai Chen, Zhijia Tan, Anmei Qiu, Shijie Yin, Yapeng Zhou, Zhongxin Dong, Yan Qiu, Jichun Xu, Kangsen Li, Lina Dong, Hiu Tung Shek, Jingwen Liu, Eric H. K. Yeung, Bo Gao, Kenneth Man Chee Cheung, Michael Kai-Tsun To

Open Access COVID-19 Research

COVID-19 in Fabry disease: a reference center prospective study

Christina Bothou, Lanja Saleh, Arnold von Eckardstein, Felix Beuschlein, Albina Nowak

Open Access Research

Cardiac involvement in MPS patients: incidence and response to therapy in an Italian multicentre study

Simona Sestito, Giada Rinninella, Angelica Rampazzo, Francesca D’Avanzo, Lucia Zampini, Lucia Santoro, Orazio Gabrielli, Agata Fiumara, Rita Barone, Nicola Volpi, Maurizio Scarpa, Rosella Tomanin, Daniela Concolino

Open Access Research

The long-term effect of mTOR inhibition on lipid and glucose metabolism in tuberous sclerosis complex: data from the Dutch TSC registry

Femke V. M. Mulder, Evelien F. H. I. Peeters, Jan Westerink, Fried J. T. Zwartkruis, Wendela L. de Ranitz-Greven

Open Access Research

Clinical evaluation of non-invasive prenatal screening for the detection of fetal genome-wide copy number variants

Wenli Wang, Fengying Lu, Bin Zhang, Qin Zhou, Yingping Chen, Bin Yu

Open Access Research

Clinical profile and demographic characteristics of moderate and severe hemophilia patients in a tertiary care hospital of Bangladesh

Mohammed Nadimul Islam, Akhil Ranjon Biswas, Humayra Nazneen, Nobendu Chowdhury, Mahbubul Alam, Jayanta Banik, Md. Kamrul Hassan, Abdullah Az Zubayer Khan, Najmul Karim, Mohammad Jahid Hasan, Md. Abdullah Saeed Khan

Open Access Review

Assessment, pharmacological therapy and rehabilitation management of musculoskeletal pain in children with mucopolysaccharidoses: a scoping review

R. Gnasso, B. Corrado, I. Iommazzo, F. Migliore, G. Magliulo, B. Giardulli, C. Ruosi

Open Access Research

Obstacles to home-based dietary management for caregivers of children with citrin deficiency: a qualitative study

Shuxian Zhang, Yun Du, Lingli Cai, Meixue Chen, Yuanzong Song, Lilan He, Ni Gong, Qingran Lin

Open Access Review

HTA decision-making for drugs for rare diseases: comparison of processes across countries

Tania Stafinski, Judith Glennie, Andrea Young, Devidas Menon

Open Access Research

Sirolimus reduces the risk of pneumothorax recurrence in patients with lymphangioleiomyomatosis: a historical prospective self-controlled study

Chongsheng Cheng, Wenshuai Xu, Yani Wang, Tengyue Zhang, Luning Yang, Wangji Zhou, Danjing Hu, Yanli Yang, Xinlun Tian, Kai-Feng Xu

Open Access Correction

Correction: Healthcare resource utilization, total costs, and comorbidities among patients with myotonic dystrophy using U.S. insurance claims data from 2012 to 2019

Sarah J. Howe, David Lapidus, Michael Hull, Jason Yeaw, Tanya Stevenson, Jacinda B. Sampson

Open Access Research

Clinical manifestation, economic burden, and mortality in patients with transthyretin cardiac amyloidosis

Suk-Chan Jang, Jin Hyun Nam, Seung-Ah Lee, Dasom An, Hye-Lin Kim, Sun-Hong Kwon, Eui-Kyung Lee

Open Access Research

A conceptual disease model for quality of life in mitochondrial disease

Kim F. E. van de Loo, Nander T. van Zeijl, José A. E. Custers, Mirian C. H. Janssen, Christianne M. Verhaak

Open Access Research

Impact of a digital manual for guidance on malignant hyperthermia: patient education

Gislene Rodrigues, Pamela Vieira de Andrade, Joilson Moura dos Santos, José Luiz Gomes do Amaral, Helga Cristina Almeida da Silva

Open Access Research

Burden associated with Fabry disease and its treatment in 12–15 year olds: results from a European survey

Lisa Bashorum, Gerard McCaughey, Owen Evans, Ashley C. Humphries, Richard Perry, Alasdair MacCulloch

Open Access Research

The association between vitamin D levels and oxidative stress markers in Egyptian Behcet’s disease patients

Heba S. Omar, Fatma Mohamed Taha, Suzanne Fouad, Fatma A. Ibrahim, Aliaa El Gendy, Iman H. Bassyouni, Reem El-Shazly

Open Access Research

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Open Access Review

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Open Access Review

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Renal phenotypes correlate with genotypes in unrelated individuals with tuberous sclerosis complex in China

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Clusters of clinical and immunologic features in patients with bullous systemic lupus erythematosus: experience from a single-center cohort study in China

Lin Qiao, Bingjie Zhang, Wenjie Zheng, Mengtao Li, Yan Zhao, Xiaofeng Zeng, Fengchun Zhang, Li Wang, Li Li

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Marco Marenco, Marco Segatto, Marta Sacchetti, Pietro Mangiantini, Francesca Giovannetti, Rocco Plateroti

Open Access Research

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Bijun Sun, Mi Yang, Jia Hou, Wenjie Wang, Wenjing Ying, Xiaoying Hui, Qinhua Zhou, Haili Yao, Jinqiao Sun, Xiaochuan Wang

Open Access Position statement

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Valerie Cormier-Daire, Moeenaldeen AlSayed, Inês Alves, Joana Bengoa, Tawfeg Ben-Omran, Silvio Boero, Svein Fredwall, Catherine Garel, Encarna Guillen-Navarro, Melita Irving, Christian Lampe, Mohamad Maghnie, Geert Mortier, Sérgio B. Sousa, Klaus Mohnike

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Ziling Xiang, Wengao Jiang, Bo Yan, Junhao Jiang, Hang Zheng

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Tobias Jürgen Schmidt, Julia Sellin, Gerhard J. Molderings, Rupert Conrad, Martin Mücke

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Ya-Ting Jan, Pei-Shan Tsai, Wen-Hui Huang, Shih-Chieh Huang, Yu-Peng Liu, She-Meng Cheng, Kun-Shuo Huang

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Kiyoshi Seki, Hiroshi Suzuki, Seiji Abe, Chikako Saotome

Open Access Research

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Clémence Merlen, Emmanuelle Pépin, Ousmane Barry, Anik Cormier, Caroline Dubois, Anne-Laure Lapeyraque, Stéphan Troyanov, Georges-Etienne Rivard, Arnaud Bonnefoy

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Open Access Correction

Correction to: Birt-Hogg-Dubé syndrome encountered at rare lung disease clinic in Anhui province, China

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Open Access Correction

Correction: Characterizing the neurological phenotype of the hyperinsulinism hyperammonemia syndrome

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Open Access Letter to the Editor

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Open Access Review

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Carolina Barnett, Elisa Candido, Branson Chen, Priscila Pequeno, Patricia C. Parkin, Karen Tu

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Open Access Letter to the Editor

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Meiling Tang, Xiang Chen, Qi Ni, Yulan Lu, Bingbing Wu, Huijun Wang, Zhaoqing Yin, Wenhao Zhou, Xinran Dong

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Annie Ting Gee Chiu, Sheila Suet Na Wong, Naomi Wing Tung Wong, Wilfred Hing Sang Wong, Winnie Wan Yee Tso, Cheuk Wing Fung

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Brittany Hornby, William Reid Thompson, Mohammed Almuqbil, Ryan Manuel, Anthony Abbruscato, Jim Carr, Hilary J. Vernon

Open Access Research

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Xinyue He, Zhuang Tian, Hongzhi Guan, Shuyang Zhang

Open Access COVID-19 Research

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Open Access Research

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Silvia Pata, Katherine Flores-Rojas, Angel Gil, Eduardo López-Laso, Laura Marti-Sánchez, Heydi Baide-Mairena, Belén Pérez-Dueñas, Mercedes Gil-Campos

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Head circumference and anthropometric changes and their relation to plexiform and skin neurofibromas in sporadic and familial neurofibromatosis 1 Brazilian adults: a cross-sectional study

Diogo Lisbôa Basto, Gustavo de Souza Vieira, Raquel M. Andrade-Losso, Paula Nascimento Almeida, Vincent M. Riccardi, Rafaela Elvira Rozza-de-Menezes, Karin Soares Cunha

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Open Access Position statement

Rare diseases in Tanzania: a National Call for Action to address policy and urgent needs of individuals with rare diseases

Frida Kaywanga, Mohamed Zahir Alimohamed, Aneth Bella David, Daniel Maeda, Sharifa Mbarak, Togolani Mavura, Siana Nkya, Deus S. Ishengoma

Open Access Position statement

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Conor M. W. Douglas, Fernando Aith, Wouter Boon, Marina de Neiva Borba, Liliana Doganova, Shir Grunebaum, Rob Hagendijk, Larry Lynd, Alexandre Mallard, Faisal Ali Mohamed, Ellen Moors, Claudio Cordovil Oliveira, Florence Paterson, Vanessa Scanga, Julino Soares, Vololona Raberharisoa, Tineke Kleinhout-Vliek

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Open Access Research

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Annie Ashman, David Tucker, Ceri Williams, Llion Davies

Open Access Letter to the Editor

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Alessandro Rozim Zorzi, Patricia R. Delai, Henrique L. C. Rosa, Wander E. Brito, Victor A. M. Montalli, Juliana C. Napimoga, Marcelo H. Napimoga, Francisco H. Nociti Jr.

Open Access Research

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Open Access Research

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Open Access Review

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Andrew A. Dwyer, Melissa Uveges, Samantha Dockray, Neil Smith

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Ju Yeon Kim, Miso Kim, Jin Kyun Park, Eun Bong Lee, Jun Won Park, Junshik Hong

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Recapitulation of pro-inflammatory signature of monocytes with ACVR1A mutation using FOP patient-derived iPSCs

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Open Access Research

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Kim F. E. van de Loo, José A. E. Custers, Lonneke de Boer, Marloes van Lieshout, Maaike C. de Vries, Mirian C. H. Janssen, Christianne M. Verhaak

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Understanding caregiver descriptions of initial signs and symptoms to improve diagnosis of metachromatic leukodystrophy

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Richard Lech, Gideon Chow, Kamalpreet Mann, Patrick Mott, Christine Malmberg, Lindy Forte

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Open Access Review

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Open Access Review

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Long-term safety and efficacy of gene-corrected autologous keratinocyte grafts for recessive dystrophic epidermolysis bullosa

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Tanzil Rujeedawa, Nora McNairney, Shelly Cordner, James O’Brien, Georgina Loughnan, Anthony Holland

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Chen Li, Heng Xu, Liang Gong, Afang Wang, Xia Dong, Kai Yuan, Guangrui Huang, Shufeng Wei, Luying Sun

Open Access Research

Genomic characteristics of two breast malignant phyllodes tumors during pregnancy and lactation identified through whole-exome sequencing

Ting Lei, Mengjia Shen, Xu Deng, Yongqiang Shi, Yan Peng, Hui Wang, Tongbing Chen

Open Access Research

Patients’ view on gene therapy development for lysosomal storage disorders: a qualitative study

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Open Access Letter to the Editor

Early embryonic lethality in complex I associated p.L104P Nubpl mutant mice

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Open Access Correction

Correction to: Short-term safety results from compassionate use of risdiplam in patients with spinal muscular atrophy in Germany

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Open Access Review

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Open Access Position statement

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Nathan Denton, Andrew E. Mulberg, Monique Molloy, Samantha Charleston, David C. Fajgenbaum, Eric D. Marsh, Paul Howard

Open Access Review

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Hand surgery and hand therapy clinical practice guideline for epidermolysis bullosa

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Open Access Position statement

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Open Access Correction

Correction to: Genomic characteristics of two breast malignant phyllodes tumors during pregnancy and lactation identified through whole-exome sequencing

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Open Access Review

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Open Access COVID-19 Research

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Long-term safety and clinical outcomes of olipudase alfa enzyme replacement therapy in pediatric patients with acid sphingomyelinase deficiency: two-year results

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Open Access Correction

Correction: Hand surgery and hand therapy clinical practice guideline for epidermolysis bullosa

Rachel Box, Catina Bernardis, Alexander Pleshkov, Nicky Jessop, Catherine Miller, Jennifer Skye, Virginia O’Brien, Matthew Veerkamp, Anna Carolina Ferreira da Rocha, Roger Cornwall

Open Access Research

A multidisciplinary care pathway improves quality of life and reduces pain in patients with fibrous dysplasia/McCune-Albright syndrome: a multicenter prospective observational study

Maartje E. Meier, Marlous Hagelstein-Rotman, Annenienke C. van de Ven, Ingrid C. M. Van der Geest, Olav Donker, Sarina E. C. Pichardo, Petra C. E. Hissink Muller, Stijn W. van der Meeren, Desirée M. J. Dorleijn, Elizabeth M. Winter, Michiel A. J. van de Sande, Natasha M. Appelman-Dijkstra

Open Access Research

NGLY1 deficiency: estimated incidence, clinical features, and genotypic spectrum from the NGLY1 Registry

Caroline R. Stanclift, Selina S. Dwight, Kevin Lee, Quirine L. Eijkenboom, Matt Wilsey, Kristen Wilsey, Erica Sanford Kobayashi, Sandra Tong, Matthew N. Bainbridge

Open Access Position statement

Rare disease education in Europe and beyond: time to act

Birute Tumiene, Harm Peters, Bela Melegh, Borut Peterlin, Algirdas Utkus, Natalja Fatkulina, György Pfliegler, Holm Graessner, Sanja Hermanns, Maurizio Scarpa, Jean-Yves Blay, Sharon Ashton, Lucy McKay, Gareth Baynam

Open Access Review

Patient centered guidelines for the laboratory diagnosis of Gaucher disease type 1

A. Dardis, H. Michelakakis, P. Rozenfeld, K. Fumic, J. Wagner, E. Pavan, M. Fuller, S. Revel-Vilk, D. Hughes, T. Cox, J. Aerts

Open Access Position statement

Expert opinion of an Italian working group on the assessment of cognitive, psychological, and neurological outcomes in pediatric, adolescent, and adult patients with phenylketonuria

Filippo Manti, Stefania Caviglia, Chiara Cazzorla, Annamaria Dicintio, Andrea Pilotto, Alessandro P. Burlina

Open Access Research

Growth hormone treatment improves final height in children with X-linked hypophosphatemia

Julia André, Volha V. Zhukouskaya, Anne-Sophie Lambert, Jean-Pierre Salles, Brigitte Mignot, Claire Bardet, Catherine Chaussain, Anya Rothenbuhler, Agnès Linglart

Open Access Research

Understanding the challenges, unmet needs, and expectations of mucopolysaccharidoses I, II and VI patients and their caregivers in France: a survey study

Nathalie Guffon, Delphine Genevaz, Didier Lacombe, Eliane Le Peillet Feuillet, Pascale Bausson, Esther Noel, François Maillot, Nadia Belmatoug, Roland Jaussaud

Open Access Research

Identification of circulating miRNAs differentially expressed in patients with Limb-girdle, Duchenne or facioscapulohumeral muscular dystrophies

José Luis García-Giménez, Elena R. García-Trevijano, Ana I. Avilés-Alía, José Santiago Ibañez-Cabellos, Miquel Bovea-Marco, Teresa Bas, Federico V. Pallardó, Juan R. Viña, Rosa Zaragozá

Open Access Research

Mutational analysis of epidermolysis bullosa in Taiwan by whole-exome sequencing complemented by RNA sequencing: a series of 77 patients

Wei-Ting Tu, Ping-Chen Hou, Peng-Chieh Chen, Wan-Rung Chen, Hsin-Yu Huang, Jing-Yu Wang, Yi-Ting Huang, Yi-Huei Wu, Chun-Lin Su, Yen-An Tang, Hiroaki Iwata, Ken Natsuga, Sheau-Chiou Chao, H. Sunny Sun, Ming-Jer Tang, Julia Yu-Yun Lee, John A. McGrath, Chao-Kai Hsu