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Orphanet Journal of Rare Diseases

Ausgabe 1/2021

Inhalt (521 Artikel)

Open Access Review

Unusual sites of bone involvement in Langerhans cell histiocytosis: a systematic review of the literature

Nahid Reisi, Pouran Raeissi, Touraj Harati Khalilabad, Alireza Moafi

Open Access Research

Patient’s thoughts and expectations about centres of expertise for PKU

A. M. J. van Wegberg, A. MacDonald, D. Abeln, T. S. Hagedorn, E. Lange, F. Trefz, D. van Vliet, F. J. van Spronsen

Open Access Research

Hierarchical Bayesian modelling of disease progression to inform clinical trial design in centronuclear myopathy

Eve Fouarge, Arnaud Monseur, Bruno Boulanger, Mélanie Annoussamy, Andreea M. Seferian, Silvana De Lucia, Charlotte Lilien, Leen Thielemans, Khazal Paradis, Belinda S. Cowling, Chris Freitag, Bradley P. Carlin, Laurent Servais, Teresa Gidaro, Elena Gargaun, Virginie Chê, Ulrike Schara, Andrea Gangfuß, Adele D’Amico, James J. Dowling, Basil T. Darras, Aurore Daron, Arturo Hernandez, Capucine de Lattre, Jean-Michel Arnal, Michèle Mayer, Jean-Marie Cuisset, Carole Vuillerot, Stéphanie Fontaine, Rémi Bellance, Valérie Biancalana, Ana Buj-Bello, Jean-Yves Hogrel, Hal Landy, Kimberly Amburgey, Barbara Andres, Enrico Bertini, Ruxandra Cardas, Séverine Denis, Dominique Duchêne, Virginie Latournerie, Nacera Reguiba, Etsuko Tsuchiya, Carina Wallgren-Pettersson

Open Access Letter to the Editor

RMRP, RMST, FTX and IPW: novel potential long non-coding RNAs in medullary thyroid cancer

Berta Luzón-Toro, Leticia Villalba-Benito, Raquel María Fernández, Ana Torroglosa, Guillermo Antiñolo, Salud Borrego

Open Access Research

Acute encephalopathy in children with tuberous sclerosis complex

Shingo Numoto, Hirokazu Kurahashi, Atsushi Sato, Masaya Kubota, Takashi Shiihara, Tohru Okanishi, Ryuta Tanaka, Ichiro Kuki, Tetsuhiro Fukuyama, Mitsuru Kashiwagi, Mitsuru Ikeno, Kazuo Kubota, Manami Akasaka, Masakazu Mimaki, Akihisa Okumura

Open Access Research

Rare and low frequency genomic variants impacting neuronal functions modify the Dup7q11.23 phenotype

Farah Qaiser, Yue Yin, Carolyn B. Mervis, Colleen A. Morris, Bonita P. Klein-Tasman, Elaine Tam, Lucy R. Osborne, Ryan K. C. Yuen

Open Access Research

Quality of life of children with spinal muscular atrophy and their caregivers from the perspective of caregivers: a Chinese cross-sectional study

Mei Yao, Ying Ma, Ruiying Qian, Yu Xia, Changzheng Yuan, Guannan Bai, Shanshan Mao

Open Access Research

A charitable access program for patients with lysosomal storage disorders in underserved communities worldwide

Atul Mehta, Uma Ramaswami, Joseph Muenzer, Roberto Giugliani, Kurt Ullrich, Tanya Collin-Histed, Zoya Panahloo, Hartmann Wellhoefer, Joel Frader

Open Access Review

Supporting sexuality for people living with epidermolysis bullosa: clinical practice guidelines

Alex King, Humphrey Hanley, Mark Popenhagen, Florencia Perez, Kerry Thompson, Diana Purvis, Nora Garcia, Ida Steinlein, Mia Werkentoft, Matthew Lightfoot, Michelle Lahat, Kalsoom Begum, Julio Tanabe

Open Access Research

Executive function is inversely correlated with physical function: the cognitive profile of adult Spinal Muscular Atrophy (SMA)

Lucas Mix, Olivia Schreiber-Katz, Claudia D. Wurster, Zeljko Uzelac, Sophia Platen, Christina Gipperich, Gresa Ranxha, Gary Wieselmann, Alma Osmanovic, Albert C. Ludolph, Susanne Petri, Dorothée Lulé

Open Access Review

Bone fragility in patients affected by congenital diseases non skeletal in origin

L. Masi, S. Ferrari, M. K. Javaid, S. Papapoulos, D. D. Pierroz, M. L. Brandi

Open Access Research

Predictors of mortality in patients with hereditary hemorrhagic telangiectasia

K. P. Thompson, J. Nelson, H. Kim, L. Pawlikowska, D. A. Marchuk, M. T. Lawton, Marie E. Faughnan, Murali Chakinala, Marianne S. Clancy, Marie E. Faughnan, James R. Gossage, Katharine Henderson, Vivek Iyer, Raj S. Kasthuri, Helen Kim, Timo Krings, Michael T. Lawton, Doris Lin, Hans-Jurgen Mager, Douglas A. Marchuk, Justin P. McWilliams, Jamie McDonald, Ludmila Pawlikowska, Jeffrey Pollak, Felix Ratjen, Karen Swanson, Karel terBrugge, Dilini Vethanayagam, Andrew J. White, Pearce Wilcox

Open Access Research

Long-term survival with sebelipase alfa enzyme replacement therapy in infants with rapidly progressive lysosomal acid lipase deficiency: final results from 2 open-label studies

Suresh Vijay, Anais Brassier, Arunabha Ghosh, Simona Fecarotta, Florian Abel, Sachin Marulkar, Simon A. Jones

Open Access Research

Beyond gait and balance: urinary and bowel dysfunction in X-linked adrenoleukodystrophy

Camille S. Corre, Natalie Grant, Reza Sadjadi, Douglas Hayden, Catherine Becker, Pablo Gomery, Florian S. Eichler

Open Access Letter to the Editor

Oral disorders in Children with Prader–Willi syndrome: a case control study

Sonal Lavakumar Budihal, Aya Mohammad Ahmad, Adama Sani Usman, Anusha Sreejith, Jayadevan Sreedharan

Open Access Research

Quality of life in Italian patients with Multiple endocrine neoplasia type 1 (MEN 1): results of an extensive survey

Francesca Giusti, Federica Cioppi, Caterina Fossi, Francesca Marini, Laura Masi, Francesco Tonelli, Maria Luisa Brandi

Open Access Research

Clinical, biochemical and molecular phenotype of congenital disorders of glycosylation: long-term follow-up

Anna Bogdańska, Patryk Lipiński, Paulina Szymańska-Rożek, Aleksandra Jezela-Stanek, Dariusz Rokicki, Piotr Socha, Anna Tylki-Szymańska

Open Access Position statement

Primary lymphedema French National Diagnosis and Care Protocol (PNDS; Protocole National de Diagnostic et de Soins)

Stéphane Vignes, Juliette Albuisson, Laurence Champion, Joël Constans, Valérie Tauveron, Julie Malloizel, Isabelle Quéré, Laura Simon, Maria Arrault, Patrick Trévidic, Philippe Azria, Annabel Maruani

Open Access Research

Fingolimod in children with Rett syndrome: the FINGORETT study

Yvonne Naegelin, Jens Kuhle, Sabine Schädelin, Alexandre N. Datta, Stefano Magon, Michael Amann, Christian Barro, Gian Paolo Ramelli, Kate Heesom, Yves-Alain Barde, Peter Weber, Ludwig Kappos

Open Access Research

Liver manifestations in a cohort of 39 patients with congenital disorders of glycosylation: pin-pointing the characteristics of liver injury and proposing recommendations for follow-up

Rodrigo Tzovenos Starosta, Suzanne Boyer, Shawn Tahata, Kimiyo Raymond, Hee Eun Lee, Lynne A. Wolfe, Christina Lam, Andrew C. Edmondson, Ida Vanessa Doederlein Schwartz, Eva Morava

Open Access Research

Chest MRI to diagnose early diaphragmatic weakness in Pompe disease

Laurike Harlaar, Pierluigi Ciet, Gijs van Tulder, Alice Pittaro, Harmke A. van Kooten, Nadine A. M. E. van der Beek, Esther Brusse, Piotr A. Wielopolski, Marleen de Bruijne, Ans T. van der Ploeg, Harm A. W. M. Tiddens, Pieter A. van Doorn

Open Access Research

A rare mutation c.1663G > A (p.A555T) in the MMUT gene associated with mild clinical and biochemical phenotypes of methylmalonic acidemia in 30 Chinese patients

Lili Liang, Ruixue Shuai, Yue Yu, Wenjuan Qiu, Linghua Shen, Shengnan Wu, Haiyan Wei, Yongxing Chen, Chiju Yang, Peng Xu, Xigui Chen, Hui Zou, Jizhen Feng, Tingting Niu, Haili Hu, Jun Ye, Huiwen Zhang, Deyun Lu, Zhuwen Gong, Xia Zhan, Wenjun Ji, Yongguo Yu, Xuefan Gu, Lianshu Han

Open Access Research

Psychological processes in the experience of hereditary angioedema in adult patients: an observational study

Livia Savarese, Maria Bova, Assunta Maiello, Angelica Petraroli, Ilaria Mormile, Mauro Cancian, Riccardo Senter, Andrea Zanichelli, Giuseppe Spadaro, Maria Francesca Freda

Open Access Research

A new UHPLC-MS/MS method for the screening of urinary oligosaccharides expands the detection of storage disorders

Michela Semeraro, Elisa Sacchetti, Federica Deodato, Turgay Coşkun, Incilay Lay, Giulio Catesini, Giorgia Olivieri, Cristiano Rizzo, Sara Boenzi, Carlo Dionisi-Vici

Open Access Research

The patient journey toward a diagnosis of hereditary transthyretin (ATTRv) amyloidosis

Montserrat Vera-Llonch, Sheila R. Reddy, Eunice Chang, Marian H. Tarbox, Michael Pollock

Open Access Research

Stakeholder perspectives on clinical research related to therapies for rare diseases: therapeutic misconception and the value of research

Kylie Tingley, Doug Coyle, Ian D. Graham, Pranesh Chakraborty, Kumanan Wilson, Beth K. Potter

Open Access Research

Correlation of retinal and choroidal microvascular impairment in systemic sclerosis

Felix Rommel, David Prangel, Michelle Prasuhn, Salvatore Grisanti, Mahdy Ranjbar

Open Access Research

Long-term experience with triheptanoin in 12 Austrian patients with long-chain fatty acid oxidation disorders

Thomas Zöggeler, Katharina Stock, Monika Jörg-Streller, Johannes Spenger, Vassiliki Konstantopoulou, Miriam Hufgard-Leitner, Sabine Scholl-Bürgi, Daniela Karall

Open Access Research

Structural alteration of lung parenchyma in patients with NF1: a phenotyping study using multidetector computed tomography (MDCT)

Maxim Avanesov, Lennart Well, Azien Laqmani, Thorsten Derlin, Vincent M. Riccardi, Gerhard Adam, Victor-Felix Mautner, Johannes Salamon

Open Access Research

Neuroendocrine liver metastasis from the small intestine: Is surgery beneficial for survival?

Andreas Selberherr, Simon Freermann, Oskar Koperek, Martin B. Niederle, Philipp Riss, Christian Scheuba, Bruno Niederle

Open Access Research

Best practice guidelines in managing the craniofacial aspects of skeletal dysplasia

Ravi Savarirayan, David E. Tunkel, Laura M. Sterni, Michael B. Bober, Tae-Joon Cho, Michael J. Goldberg, Julie Hoover-Fong, Melita Irving, Shawn E. Kamps, William G. Mackenzie, Cathleen Raggio, Samantha A. Spencer, Viviana Bompadre, Klane K. White

Open Access Research

Exome sequencing in paediatric patients with movement disorders

Anna Ka-Yee Kwong, Mandy Ho-Yin Tsang, Jasmine Lee-Fong Fung, Christopher Chun-Yu Mak, Kate Lok-San Chan, Richard J. T. Rodenburg, Monkol Lek, Shushu Huang, Sander Pajusalu, Man-Mut Yau, Cheung Tsoi, Sharon Fung, Kam-Tim Liu, Che-Kwan Ma, Sheila Wong, Eric Kin-Cheong Yau, Shuk-Mui Tai, Eva Lai-Wah Fung, Nick Shun-Ping Wu, Li-Yan Tsung, Jan Smeitink, Brian Hon-Yin Chung, Cheuk-Wing Fung

Open Access Letter to the Editor

Real-world evidence on Kovaltry (81-8973) in children with moderate or severe hemophilia A in Europe: a nested cohort analysis

Jamie O’Hara, Ceri Hirst, Jose Francisco Cabre Marquez, Tom Burke

Open Access Review

Hereditary leiomyomatosis and renal cell carcinoma: a case series and literature review

Zahraa Chayed, Lone Krøldrup Kristensen, Lilian Bomme Ousager, Karina Rønlund, Anette Bygum

Open Access Research

The effect of improved dietary control on cognitive and psychiatric functioning in adults with phenylketonuria: the ReDAPT study

Nicholas M. Burgess, Wendy Kelso, Charles B. Malpas, Toby Winton-Brown, Timothy Fazio, Julie Panetta, Gerard De Jong, Joanna Neath, Sonny Atherton, Dennis Velakoulis, Mark Walterfang

Open Access Research

Treatment preference among patients with spinal muscular atrophy (SMA): a discrete choice experiment

Alisha Monnette, Er Chen, Dongzhe Hong, Alessandra Bazzano, Stacy Dixon, W. David Arnold, Lizheng Shi

Open Access Review

Pancreatic involvement in patients with inborn errors of metabolism

Woo Jin Hwang, Han Hyuk Lim, Yoo-Mi Kim, Mea Young Chang, Hong Ryang Kil, Jae Young Kim, Wung Joo Song, Harvey L. Levy, Sook-Za Kim

Open Access Research

Impact of long-term elosulfase alfa treatment on clinical and patient-reported outcomes in patients with mucopolysaccharidosis type IVA: results from a Managed Access Agreement in England

Maureen Cleary, James Davison, Rachel Gould, Tarekegn Geberhiwot, Derralynn Hughes, Jean Mercer, Alexandra Morrison, Elaine Murphy, Saikat Santra, James Jarrett, Swati Mukherjee, Karolina M. Stepien

Open Access Research

Proteomics analysis of a human brain sample from a mucolipidosis type IV patient reveals pathophysiological pathways

Ayelet Vardi, Amir Pri-Or, Noa Wigoda, Yulia Grishchuk, Anthony H. Futerman

Open Access Research

Development of the Screening Tool for Everyday Mobility and Symptoms (STEMS) for skeletal dysplasia

Penelope J. Ireland, Ravi Savarirayan, Tash Pocovi, Tracy Tate, Marie Coussens, Louise Tofts, Craig Munns, Verity Pacey

Open Access Research

One test for all: whole exome sequencing significantly improves the diagnostic yield in growth retarded patients referred for molecular testing for Silver–Russell syndrome

Robert Meyer, Matthias Begemann, Christian Thomas Hübner, Daniela Dey, Alma Kuechler, Magdeldin Elgizouli, Ulrike Schara, Laima Ambrozaityte, Birute Burnyte, Carmen Schröder, Asmaa Kenawy, Peter Kroisel, Stephanie Demuth, Gyorgy Fekete, Thomas Opladen, Miriam Elbracht, Thomas Eggermann

Open Access Research

Musculo-skeletal phenotype of Costello syndrome and cardio-facio-cutaneous syndrome: insights on the functional assessment status

Chiara Leoni, Domenico Marco Romeo, Michele Pelliccioni, Mariangela Di Già, Roberta Onesimo, Valentina Giorgio, Elisabetta Flex, Marta Tedesco, Marco Tartaglia, Donato Rigante, Antonio Valassina, Giuseppe Zampino

Open Access Research

Supportive care needs of patients with rare chronic diseases: multi-method, cross-sectional study

Miram K. Depping, Natalie Uhlenbusch, Yskert von Kodolitsch, Hans F. E. Klose, Victor-Felix Mautner, Bernd Löwe

Open Access Research

Myopia-26, the female-limited form of early-onset high myopia, occurring in a European family

Noémi Széll, Tamás Fehér, Zoltán Maróti, Tibor Kalmár, Dóra Latinovics, István Nagy, Zsuzsanna Z. Orosz, Márta Janáky, Andrea Facskó, Zoltán Sohajda

Open Access Review

Systematic literature review of the economic burden of spinal muscular atrophy and economic evaluations of treatments

Tamara Dangouloff, Camille Botty, Charlotte Beaudart, Laurent Servais, Mickaël Hiligsmann

Open Access Research

Clinicopathological features of fibrosarcomatous dermatofibrosarcoma protuberans and the construction of a back-propagation neural network recognition model

Yanan Li, Jiaqi Liang, Xuewen Xu, Xian Jiang, Chuan Wang, Siyuan Chen, Bo Xiang, Yi Ji

Open Access Letter to the Editor

[18F]FDG Positron emission tomography with whole body magnetic resonance imaging ([18F]FDG-PET/MRI) as a diagnosis tool in Schwannomatosis

I. Gallais Sérézal, S. Ferkal, L. Lerman, S. Mulé, B. Funalot, P. Wolkenstein

Open Access Research

Clinical analysis of chronic active EBV infection with coronary artery dilatation and a matched case–control study

Ang Wei, Honghao Ma, Liping Zhang, Zhigang Li, Yitong Guan, Qing Zhang, Dong Wang, Hongyun Lian, Rui Zhang, Tianyou Wang

Open Access Research

New insight into clinical heterogeneity and inheritance diversity of FBLN5-related cutis laxa

Jalal Gharesouran, Hassan Hosseinzadeh, Soudeh Ghafouri-Fard, Yalda Jabbari Moghadam, Javad Ahmadian Heris, Amir Hossein Jafari-Rouhi, Mohammad Taheri, Maryam Rezazadeh

Open Access Research

Release of pseudosyndactyly in recessive dystrophic epidermolysis bullosa using a dermal regeneration template glove: the Foggia experience

Fedele Lembo, Domenico Parisi, Liberato Roberto Cecchino, Francesco Ciancio, Alessandro Innocenti, Aurelio Portincasa

Open Access Research

The relationship between quality of life and coping strategies of children with EB and their parents

Petra J. Mauritz, Marieke Bolling, José C. Duipmans, Mariët Hagedoorn

Open Access Research

Suppressed prefrontal cortex oscillations associate with clinical pain in fibrodysplasia ossificans progressiva

Ke Peng, Keerthana Deepti Karunakaran, Robert Labadie, Miranda Veliu, Chandler Cheung, Arielle Lee, Paul B. Yu, Jaymin Upadhyay

Open Access Research

Using pre-existing social networks to determine the burden of disease and real-life needs in rare diseases: the example of Thygeson's superficial punctate keratitis

Rana Saad, Sami Saad, Oscar Haigh, Domitille Molinari, Marc Labetoulle, Antoine Rousseau

Open Access Research

High clinical heterogeneity in a Chinese pedigree of retinal vasculopathy with cerebral leukoencephalopathy and systemic manifestations (RVCL-S)

Nina Xie, Qiying Sun, Jinxia Yang, Yangjie Zhou, Hongwei Xu, Lin Zhou, Yafang Zhou

Open Access Research

Quantitative assessment of left ventricular longitudinal function and myocardial deformation in Duchenne muscular dystrophy patients

Roman Panovský, Martin Pešl, Jan Máchal, Tomáš Holeček, Věra Feitová, Lenka Juříková, Lucia Masárová, Eva Pešlová, Lukáš Opatřil, Mary Luz Mojica-Pisciotti, Vladimír Kincl

Open Access Research

Initial predictors for short-term prognosis in anti-melanoma differentiation-associated protein-5 positive patients

Qihua Yang, Tianfang Li, Xin Zhang, Kunlong Lyu, Shujun Wu, Yan Chen, Shengyun Liu, Zujiang Yu

Open Access Research

Long term disease burden post-transplantation: three decades of observations in 25 Hurler patients successfully treated with hematopoietic stem cell transplantation (HSCT)

N. Guffon, M. Pettazzoni, N. Pangaud, C. Garin, G. Lina-Granade, C. Plault, C. Mottolese, R. Froissart, A. Fouilhoux

Open Access COVID-19 Letter to the Editor

The impact of the COVID-19 pandemic on neurofibromatosis clinical care and research

Heather B. Radtke, Bonita P. Klein-Tasman, Vanessa L. Merker, Pamela Knight, Nicole J. Ullrich, Justin T. Jordan, Bruce Korf, Scott R. Plotkin

Open Access Research

Diagnostic and severity scores for Cockayne syndrome

M. A. Spitz, F. Severac, C. Obringer, S. Baer, N. Le May, N. Calmels, V. Laugel

Open Access Research

Sulthiame impairs mitochondrial function in vitro and may trigger onset of visual loss in Leber hereditary optic neuropathy

Marie-Christine Reinert, David Pacheu-Grau, Claudia B. Catarino, Thomas Klopstock, Andreas Ohlenbusch, Michael Schittkowski, Ekkehard Wilichowski, Peter Rehling, Knut Brockmann

Open Access Research

Experience of health care at a reference centre as reported by patients and parents of children with rare conditions

Monica Hytiris, Daisy Johnston, Shannon Mullen, Arlene Smyth, Elizabeth Dougan, Martina Rodie, S. Faisal Ahmed

Open Access Research

Molecular mechanics and dynamic simulations of well-known Kabuki syndrome-associated KDM6A variants reveal putative mechanisms of dysfunction

Young-In Chi, Timothy J. Stodola, Thiago M. De Assuncao, Elise N. Leverence, Swarnendu Tripathi, Nikita R. Dsouza, Angela J. Mathison, Donald G. Basel, Brian F. Volkman, Brian C. Smith, Gwen Lomberk, Michael T. Zimmermann, Raul Urrutia

Open Access Research

Results of a Patient Reported Experience Measure (PREM) to measure the rare disease patients and caregivers experience: a Spanish cross-sectional study

Mercedes Guilabert, Alba Martínez-García, Marina Sala-González, Olga Solas, José Joaquín Mira

Open Access Research

Analysis of patient access to orphan drugs in Turkey

Güvenç Koçkaya, Sibel Atalay, Gülpembe Oğuzhan, Mustafa Kurnaz, Selin Ökçün, Çiğdem Sar Gedik, Mete Şaylan, Nazlı Şencan

Open Access Letter to the Editor

Time for a general approval of growth hormone treatment in adults with Prader–Willi syndrome

Charlotte Höybye, Anthony J. Holland, Daniel J. Driscoll

Open Access Research

Patient and family experience with transthyretin amyloid cardiomyopathy (ATTR-CM) and polyneuropathy (ATTR-PN) amyloidosis: results of two focus groups

David Rintell, Dena Heath, Florencia Braga Mendendez, Elizabeth Cross, Theodore Cross, Vincent Knobel, Bruno Gagnon, Cameron Turtle, Alan Cohen, Edward Kalmykov, Jonathan Fox

Open Access Position statement

Role of patients associations in connective tissue calcifiying diseases: a position statement from EuroSoftCalc.Net group

Pedro Valdivielso, Marta Jacinto, Guillemette Devernois, Jorge Laplana, Maria García-Fernández, Ludovic Martin

Open Access Letter to the Editor

Clarifying the relationship between pulmonary langerhans cell histiocytosis and Alpha 1 antitrypsin deficiency

Cormac McCarthy, Emmanuelle Bugnet, Amira Benattia, Michael P. Keane, Benoit Vedie, Gwenaël Lorillon, Abdellatif Tazi

Open Access Research

Protein signature of human skin fibroblasts allows the study of the molecular etiology of rare neurological diseases

Andreas Hentschel, Artur Czech, Ute Münchberg, Erik Freier, Ulrike Schara-Schmidt, Albert Sickmann, Jens Reimann, Andreas Roos

Open Access Review

LRSAM1 and the RING domain: Charcot–Marie–Tooth disease and beyond

Paulius Palaima, José Berciano, Kristien Peeters, Albena Jordanova

Open Access Research

Survey on patients’ organisations’ knowledge and position paper on screening for inherited neuromuscular diseases in Europe

F. Lamy, A. Ferlini, Dimitrios Athanasiou, Evy Reviers, François Lamy, Jean-Philippe Plançon, Judit Varadine Csapo, Madelon Kroneman, Marisol Montolio, Massimo Marra, Michela Onali, Patrizia Garzena, Teresinha Evangelista

Open Access Research

How are patients with rare diseases and their carers in the UK impacted by the way care is coordinated? An exploratory qualitative interview study

Amy Simpson, Lara Bloom, Naomi J. Fulop, Emma Hudson, Kerry Leeson-Beevers, Stephen Morris, Angus I. G. Ramsay, Alastair G. Sutcliffe, Holly Walton, Amy Hunter

Open Access Research

Validation of diagnostic codes and epidemiologic trends of Huntington disease: a population-based study in Navarre, Spain

Esther Vicente, Ainara Ruiz de Sabando, Fermín García, Itziar Gastón, Eva Ardanaz, María A. Ramos-Arroyo

Open Access Letter to the Editor

Do we always need to treat patients with spinal muscular atrophy? A personal view and experience

Caterina Agosto, Eleonora Salamon, Antuan Divisic, Francesca Benedetti, Luca Giacomelli, Aashni Shah, Giorgio Perilongo, Franca Benini

Open Access Research

Validation of the 5-domain Niemann-Pick type C Clinical Severity Scale

Marc C. Patterson, Lucy Lloyd-Price, Christina Guldberg, Helen Doll, Claire Burbridge, Michael Chladek, Christine íDali, Eugen Mengel, Tara Symonds

Open Access Research

Impact of pediatric hypophosphatasia on behavioral health and quality of life

Elizabeth I. Pierpont, Jill H. Simmons, Katherine J. Spurlock, Ryan Shanley, Kyriakie M. Sarafoglou

Open Access Research

Predictors of cervical myelopathy and hydrocephalus in young children with achondroplasia

Youngbo Shim, Jung Min Ko, Tae-Joon Cho, Seung‐Ki Kim, Ji Hoon Phi

Open Access Research

Survival outcomes of surgery in patients with pulmonary large-cell neuroendocrine carcinoma: a retrospective single-institution analysis and literature review

Yeye Chen, Jiaqi Zhang, Cheng Huang, Zhenhuan Tian, Xiaoyun Zhou, Chao Guo, Hongsheng Liu, Shanqing Li

Open Access Research

Selenium levels and glutathione peroxidase activity in patients with ataxia-telangiectasia: association with oxidative stress and lipid status biomarkers

Itana Gomes Alves Andrade, Fabíola Isabel Suano-Souza, Fernando Luiz Affonso Fonseca, Carolina Sanchez Aranda Lago, Roseli Oselka Saccardo Sarni

Open Access Research

Continuous use of glycomacropeptide in the nutritional management of patients with phenylketonuria: a clinical perspective

Maria João Pena, Alex Pinto, Manuela Ferreira de Almeida, Catarina de Sousa Barbosa, Paula Cristina Ramos, Sara Rocha, Arlindo Guimas, Rosa Ribeiro, Esmeralda Martins, Anabela Bandeira, Cláudia Camila Dias, Anita MacDonald, Nuno Borges, Júlio César Rocha

Open Access Review

Consensuses and controversies on pseudomyxoma peritonei: a review of the published consensus statements and guidelines

Yu-Lin Lin, Da-Zhao Xu, Xin-Bao Li, Feng-Cai Yan, Hong-Bin Xu, Zheng Peng, Yan Li

Open Access Research

Long-term health-related quality of life in patients treated with subcutaneous C1-inhibitor replacement therapy for the prevention of hereditary angioedema attacks: findings from the COMPACT open-label extension study

William R. Lumry, Bruce Zuraw, Marco Cicardi, Timothy Craig, John Anderson, Aleena Banerji, Jonathan A. Bernstein, Teresa Caballero, Henriette Farkas, Richard G. Gower, Paul K. Keith, Donald S. Levy, H. Henry Li, Markus Magerl, Michael Manning, Marc A. Riedl, John-Philip Lawo, Subhransu Prusty, Thomas Machnig, Hilary Longhurst

Open Access Review

Dalfampridine in the treatment of multiple sclerosis: a meta-analysis of randomised controlled trials

Enyao Zhang, Xin Tian, Ruoming Li, Chaoyang Chen, Min Li, Lingyun Ma, Ran Wei, Ying Zhou, Yimin Cui

Open Access Research

Epidemiology of systemic sclerosis: a multi-database population-based study in Tuscany (Italy)

Alessio Coi, Simone Barsotti, Michele Santoro, Fabio Almerigogna, Elena Bargagli, Marzia Caproni, Giacomo Emmi, Bruno Frediani, Serena Guiducci, Marco Matucci Cerinic, Marta Mosca, Paola Parronchi, Renato Prediletto, Enrico Selvi, Gabriele Simonini, Antonio Gaetano Tavoni, Fabrizio Bianchi, Anna Pierini

Open Access Research

Belgian rare diseases plan in clinical pathology: identification of key biochemical diagnostic tests and establishment of reference laboratories and financing conditions

Nathalie M. Vandevelde, Pieter Vermeersch, Katrien M. J. Devreese, Marie-Françoise Vincent, Béatrice Gulbis, François Eyskens, François Boemer, André Gothot, Viviane O. Van Hoof, Carolien Bonroy, Hedwig Stepman, Geert A. Martens, Xavier Bossuyt, Laurence Roosens, Julie Smet, Hilde Laeremans, Ilse Weets, Jean-Marc Minon, Kris Vernelen, Wim Coucke, Bernard Debbaut, Katrien M. J. Devreese, François Eyskens, Céline Franken, Yves Gillerot, Béatrice Gulbis, Chantal Mathy, Marc Moens, Nathalie M. Vandevelde, Philippe Van de Walle, Pieter Vermeersch, Marie-Françoise Vincent

Open Access Correction

Correction to: Specific populations of urinary extracellular vesicles and proteins differentiate type 1 primary hyperoxaluria patients without and with nephrocalcinosis or kidney stones

Muthuvel Jayachandran, Stanislav V. Yuzhakov, Sanjay Kumar, Nicholas B. Larson, Felicity T. Enders, Dawn S. Milliner, Andrew D. Rule, John C. Lieske

Open Access Research

Botulinum toxin injections as an effective treatment for patients with intertriginous Hailey-Hailey or Darier disease: an open-label 6-month pilot interventional study

Isabelle Dreyfus, Aude Maza, Lauriane Rodriguez, Margot Merlos, Hélène Texier, Vanessa Rousseau, Agnès Sommet, Juliette Mazereeuw-Hautier

Open Access Research

Clinical characteristics and burden of illness in patients with hereditary angioedema: findings from a multinational patient survey

Joan Mendivil, Ryan Murphy, Marie de la Cruz, Ellen Janssen, Henrik Balle Boysen, Gagan Jain, Emel Aygören-Pürsün, Ishan Hirji, Giovanna Devercelli

Open Access Research

U-IMD: the first Unified European registry for inherited metabolic diseases

Thomas Opladen, Florian Gleich, Viktor Kozich, Maurizio Scarpa, Diego Martinelli, Franz Schaefer, Kathrin Jeltsch, Natalia Juliá-Palacios, Ángels García-Cazorla, Carlo Dionisi-Vici, Stefan Kölker

Open Access Correction

Correction to: A Germany-wide survey study on the patient journey of patients with hereditary angioedema

Markus Magerl, Holger Gothe, Simon Krupka, Anja Lachmann, Christoph Ohlmeier

Open Access Research

Natural progression of cardiac features and long-term effects of enzyme replacement therapy in Taiwanese patients with mucopolysaccharidosis II

Hsiang-Yu Lin, Ming-Ren Chen, Chung-Lin Lee, Shan-Miao Lin, Chung-Lieh Hung, Dau-Ming Niu, Tung-Ming Chang, Chih-Kuang Chuang, Shuan-Pei Lin

Open Access Research

Mutation spectrum of EXT1 and EXT2 in the Saudi patients with hereditary multiple exostoses

Zayed Al-Zayed, Roua A. Al-Rijjal, Lamya Al-Ghofaili, Huda A. BinEssa, Rajeev Pant, Anwar Alrabiah, Thamer Al-Hussainan, Minjing Zou, Brian F. Meyer, Yufei Shi

Open Access Research

RDmap: a map for exploring rare diseases

Jian Yang, Cong Dong, Huilong Duan, Qiang Shu, Haomin Li

Open Access Letter to the Editor

Spontaneous improvement of carbohydrate-deficient transferrin in PMM2-CDG without mannose observed in CDG natural history study

Peter Witters, Andrew C. Edmondson, Christina Lam, Christin Johnsen, Marc C. Patterson, Kimiyo M. Raymond, Miao He, Hudson H. Freeze, Eva Morava

Open Access Research

Genetic spectrum and clinical early natural history of glucose-6-phosphate dehydrogenase deficiency in Mexican children detected through newborn screening

Marcela Vela-Amieva, Miguel Angel Alcántara-Ortigoza, Ariadna González-del Angel, Leticia Belmont-Martínez, Carlos López-Candiani, Isabel Ibarra-González

Open Access Research

Phenotypic characterization of X-linked hypophosphatemia in pediatric Spanish population

Enrique Rodríguez-Rubio, Helena Gil-Peña, Sara Chocron, Leire Madariaga, Francisco de la Cerda-Ojeda, Marta Fernández-Fernández, Carmen de Lucas-Collantes, Marta Gil, María Isabel Luis-Yanes, Inés Vergara, Juan David González-Rodríguez, Susana Ferrando, Montserrat Antón-Gamero, Marta Carrasco Hidalgo-Barquero, Angustias Fernández-Escribano, Mº Ángeles Fernández-Maseda, Laura Espinosa, Aniana Oliet, Antonio Vicente, Gema Ariceta, Fernando Santos

Open Access Research

Impact of single and combined rare diseases on adult inpatient outcomes: a retrospective, cross-sectional study of a large inpatient population

Reka Maria Blazsik, Patrick Emanuel Beeler, Karol Tarcak, Marcus Cheetham, Viktor von Wyl, Holger Dressel

Open Access Research

Changes in PCSK 9 and apolipoprotein B100 in Niemann–Pick disease after enzyme replacement therapy with olipudase alfa

Bethanie Garside, Jan Hoong Ho, See Kwok, Yifen Liu, Shaishav Dhage, Rachelle Donn, Zohaib Iqbal, Simon A. Jones, Handrean Soran

Open Access Research

Health impact of acute intermittent porphyria in latent and non-recurrent attacks patients

Juan Buendía-Martínez, María Barreda-Sánchez, Lidya Rodríguez-Peña, María Juliana Ballesta-Martínez, Vanesa López-González, María José Sánchez-Soler, Ana Teresa Serrano-Antón, María Elena Pérez-Tomás, Remedios Gil-Ferrer, Francisco Avilés-Plaza, Guillermo Glover-López, Carmen Carazo-Díaz, Encarna Guillén-Navarro

Open Access Research

A deleterious mutation in the ALMS1 gene in a naturally occurring model of hypertrophic cardiomyopathy in the Sphynx cat

Kathryn M. Meurs, Brian G. Williams, Dylan DeProspero, Steven G. Friedenberg, David E. Malarkey, J. Ashley Ezzell, Bruce W. Keene, Darcy B. Adin, Teresa C. DeFrancesco, Sandra Tou

Open Access Research

Clinical experience with the AKT1 inhibitor miransertib in two children with PIK3CA-related overgrowth syndrome

Karina Forde, Nicoletta Resta, Carlotta Ranieri, David Rea, Olga Kubassova, Mark Hinton, Katrina A. Andrews, Robert Semple, Alan D. Irvine, Veronika Dvorakova

Open Access Research

Monitoring of up to 15 years effects of lipoprotein apheresis on lipids, biomarkers of inflammation, and soluble endoglin in familial hypercholesterolemia patients

J. Víšek, M. Bláha, V. Bláha, M. Lášticová, M. Lánska, C. Andrýs, J. Duintjer Tebbens, Ivone Cristina Igreja e Sá, K. Tripská, M. Vicen, I. Najmanová, P. Nachtigal

Open Access Research

Potential clinical utility of MUC5B und TOLLIP single nucleotide polymorphisms (SNPs) in the management of patients with IPF

Francesco Bonella, Ilaria Campo, Michele Zorzetto, Eda Boerner, Shinichiro Ohshimo, Dirk Theegarten, Christian Taube, Ulrich Costabel

Open Access Research

Clinical and molecular characterization of patients with adenylosuccinate lyase deficiency

Gerarda Mastrogiorgio, Marina Macchiaiolo, Paola Sabrina Buonuomo, Emanuele Bellacchio, Matteo Bordi, Davide Vecchio, Kari Payne Brown, Natalie Karen Watson, Benedetta Contardi, Francesco Cecconi, Marco Tartaglia, Andrea Bartuli

Open Access Correction

Correction to: Long-term survival with sebelipase alfa enzyme replacement therapy in infants with rapidly progressive lysosomal acid lipase deficiency: final results from 2 open-label studies

Suresh Vijay, Anais Brassier, Arunabha Ghosh, Simona Fecarotta, Florian Abel, Sachin Marulkar, Simon A. Jones

Open Access Research

B cell‐activating factors in autoimmune pulmonary alveolar proteinosis

Masaki Hirose, Toru Arai, Chikatoshi Sugimoto, Takayuki Takimoto, Reiko Sugawara, Shojiro Minomo, Sayoko Shintani, Naoko Takeuchi, Kanako Katayama, Yasushi Inoue, Tomoko Kagawa, Takahiko Kasai, Masanori Akira, Yoshikazu Inoue

Open Access Research

HINT1 neuropathy in Norway: clinical, genetic and functional profiling

Silvia Amor-Barris, Helle Høyer, Lin V. Brauteset, Els De Vriendt, Linda Strand, Albena Jordanova, Geir J. Braathen, Kristien Peeters

Open Access Position statement

Standard of care versus new-wave corticosteroids in the treatment of Duchenne muscular dystrophy: Can we do better?

Stephanie Kourakis, Cara A. Timpani, Dean G. Campelj, Patricia Hafner, Nuri Gueven, Dirk Fischer, Emma Rybalka

Open Access Research

Neuropsychiatric, cognitive and sexual impairment in mastocytosis patients

Fatma Jendoubi, Maella Severino-Freire, Mathilde Negretto, Christophe Arbus, Carle Paul, Cristina Bulai Livideanu

Open Access Research

Parent–child-agreement on health-related quality of life and its determinants in patients born with Esophageal Atresia: a Swedish–German cross-sectional study

Stefanie Witt, Michaela Dellenmark-Blom, Susanne Kuckuck, Jens Dingemann, Kate Abrahamsson, Carmen Dingemann, John Eric Chaplin, Benno Ure, Monika Bullinger, Vladimir Gatzinsky, Linus Jönsson, Julia Hannah Quitmann

Open Access Research

The interoperability between the Spanish version of the International Classification of Diseases and ORPHAcodes: towards better identification of rare diseases

Juan Rico, Luis Javier Echevarría-González de Garibay, María García-López, Sandra Guardiola-Vilarroig, Luis Alberto Maceda-Roldán, Óscar Zurriaga, Clara Cavero-Carbonell

Open Access Research

Phenotypic and biochemical characteristics and molecular basis in 36 Chinese patients with androgen receptor variants

Hui Zhu, Haijun Yao, Yue Xu, Yan Chen, Bing Han, Nan Wang, Hao Wang, Qiang Zhang, Wenjiao Zhu, Yuanping Shi, Hua Sun, Shuangxia Zhao, Huaidong Song, Yang Liu, Jie Qiao

Open Access Research

Growth in ataxia telangiectasia

Valerie A. I. Natale, Tim J. Cole, Cynthia Rothblum-Oviatt, Jennifer Wright, Thomas O. Crawford, Maureen A. Lefton-Greif, Sharon A. McGrath-Morrow, Haley Schlechter, Howard M. Lederman

Open Access Research

Value of amniotic fluid homocysteine assay in prenatal diagnosis of combined methylmalonic acidemia and homocystinuria, cobalamin C type

Ting Chen, Lili Liang, Huiwen Zhang, Jun Ye, Wenjuan Qiu, Bing Xiao, Hong Zhu, Lei Wang, Feng Xu, Zhuwen Gong, Xuefan Gu, Lianshu Han

Open Access Research

Homocystinuria patient and caregiver survey: experiences of diagnosis and patient satisfaction

T. Morrison, F. Bösch, M. A. Landolt, V. Kožich, M. Huemer, A. A. M. Morris

Open Access Research

Smoking and alcohol, health-related quality of life and psychiatric comorbidities in Leber’s Hereditary Optic Neuropathy mutation carriers: a prospective cohort study

Andrea Rabenstein, Claudia B. Catarino, Verena Rampeltshammer, David Schindler, Constanze Gallenmüller, Claudia Priglinger, Oliver Pogarell, Tobias Rüther, Thomas Klopstock

Open Access Research

Extending the phenotypic spectrum of PRPF8, PRPH2, RP1 and RPGR, and the genotypic spectrum of early-onset severe retinal dystrophy

Michalis Georgiou, Naser Ali, Elizabeth Yang, Parampal S. Grewal, Tryfon Rotsos, Nikolas Pontikos, Anthony G. Robson, Michel Michaelides

Open Access Research

First French study relative to preconception genetic testing: 1500 general population participants’ opinion

Valérie Bonneau, Mathilde Nizon, Xenia Latypova, Aurélie Gaultier, Eugénie Hoarau, Stéphane Bézieau, Guy Minguet, Mauro Turrini, Maud Jourdain, Bertrand Isidor

Open Access Research

Diagnostic precision and identification of rare diseases is dependent on distance of residence relative to tertiary medical facilities

Anna-Lena Walter, Florent Baty, Frank Rassouli, Stefan Bilz, Martin Hugo Brutsche

Open Access Research

Pregnancy after the diagnosis of lymphangioleiomyomatosis (LAM)

Lisha Shen, Whenshuai Xu, Jinsong Gao, Jun Wang, Jiannan Huang, Yani Wang, Yudi He, Yanli Yang, Xinlun Tian, Kai-Feng Xu

Open Access Research

Prevalence of extramammary Paget’s disease in urban China: a population-based study

Shilu Yin, Lu Xu, Shengfeng Wang, Jingnan Feng, Lili Liu, Guozhen Liu, Jinxi Wang, Siyan Zhan, Zhenmin Zhao, Pei Gao

Open Access Research

Research priorities for rare neurological diseases: a representative view of patient representatives and healthcare professionals from the European Reference Network for Rare Neurological Diseases

Annemarie E. M. Post, Thomas Klockgether, G. Bernhard Landwehrmeyer, Massimo Pandolfo, Astri Arnesen, Carola Reinhard, Holm Graessner

Open Access Research

EIF3F-related neurodevelopmental disorder: refining the phenotypic and expanding the molecular spectrum

Ulrike Hüffmeier, Cornelia Kraus, Miriam S. Reuter, Steffen Uebe, Mary-Alice Abbott, Syed A. Ahmed, Kristyn L. Rawson, Eileen Barr, Hong Li, Ange-Line Bruel, Laurence Faivre, Frédéric Tran Mau-Them, Christina Botti, Susan Brooks, Kaitlyn Burns, D. Isum Ward, Marina Dutra-Clarke, Julian A. Martinez-Agosto, Hane Lee, Stanley F. Nelson, Pia Zacher, Rami Abou Jamra, Chiara Klöckner, Julie McGaughran, Jürgen Kohlhase, Sarah Schuhmann, Ellen Moran, John Pappas, Annick Raas-Rothschild, Maria J. Guillen Sacoto, Lindsay B. Henderson, Timothy Blake Palculict, Sureni V. Mullegama, Houda Zghal Elloumi, Adi Reich, Samantha A. Schrier Vergano, Erica Wahl, André Reis, Christiane Zweier

Open Access Letter to the Editor

New insights in phenotype and treatment of lung disease immuno-deficiency and chromosome breakage syndrome (LICS)

Brigitte W. M. Willemse, Saskia N. van der Crabben, Wilhelmina S. Kerstjens-Frederikse, Wim Timens, Joris M. van Montfrans, Caroline A. Lindemans, Jaap Jan Boelens, Marije P. Hennus, Gijs van Haaften

Open Access Letter to the Editor

D-galactose supplementation in individuals with PMM2-CDG: results of a multicenter, open label, prospective pilot clinical trial

Peter Witters, Hans Andersson, Jaak Jaeken, Laura Tseng, Clara D. M. van Karnebeek, Dirk J. Lefeber, David Cassiman, Eva Morava

Open Access Research

Assessing rare diseases prevalence using literature quantification

Jason Shourick, Maxime Wack, Anne-Sophie Jannot

Open Access Research

A standard set of outcome measures for the comprehensive assessment of osteogenesis imperfecta

Wouter Nijhuis, Anton Franken, Kara Ayers, Chantal Damas, Lars Folkestad, Antonella Forlino, Paolo Fraschini, Claire Hill, Guus Janus, Richard Kruse, Lena Lande Wekre, Lieve Michiels, Kathleen Montpetit, Leonardo Panzeri, Valerie Porquet-Bordes, Frank Rauch, Ralph Sakkers, Jean-Pierre Salles, Oliver Semler, Jony Sun, Michael To, Laura Tosi, Yangyang Yao, Eric Hiu Kwong Yeung, Lidiia Zhytnik, Maria Carola Zillikens, Marjolein Verhoef

Open Access Letter to the Editor

Disease monitoring programs of rare genetic diseases: transparent data sharing between academic and commercial stakeholders

Hanns Lochmüller, Antonio Nino Ramirez, Emil Kakkis

Open Access Position statement

The need for widely available genomic testing in rare eye diseases: an ERN-EYE position statement

Graeme C. Black, Panagiotis Sergouniotis, Andrea Sodi, Bart P. Leroy, Caroline Van Cauwenbergh, Petra Liskova, Karen Grønskov, Artur Klett, Susanne Kohl, Gita Taurina, Marius Sukys, Lonneke Haer-Wigman, Katarzyna Nowomiejska, João Pedro Marques, Dorothée Leroux, Frans P. M. Cremers, Elfride De Baere, Hélène Dollfus, Gavin Arno, Jane Ashworth, Isabelle Audo, Giacomo Bacci, Vilma Jurate Balciuniene, Sara Bargiacchi, Mette Bertelsen, Graeme Black, Camiel Boon, Dominique Bremond-Gignac, Luca Buzzonetti, Patrick Calvas, Adela Chirita-Emandi, Davit Chokoshvili, Frans Cremers, Avril Daly, Hélène Dollfus, Susan Downes, Adriano Fasolo, Christina Fasser, Dominik Fischer, Pina Fortunato, Arvydas Gelzinis, Karen Grønskov, Lonneke Haer-Wigman, Georgina Hall, Steffen Hamann, Elise Héon, Giancarlo Iarossi, Caroline Iberg, Gaëlle Jouanjan, Helena Kaariainen, Kamron Kahn, David Keegan, Artur Klett, Susanne Kohl, Michael Laengsfeld, Alberta Leon, Dorothée Leroux, Bart Peter Leroy, Petra Liskova, Birgit Lorenz, Riccardo Maggi, Joao Pedro Marques, Laura Mauring, Paolo Melico, Isabelle Meunier, Saddek Mohand-Saïd, Cristina Monterosso, Paola Morandi, Katarzyna Nowomiejska, Francesco Parmeggiani, Ilaria Passerini, Valérie Pelletier, Francesca Peluso, Yaumara Perdomo, Emilio Rapizzi, Laura Roos, Susanne Roosing, Jean-Michel Rozet, Panos Sergouniotis, Francesca Simonelli, Andrea Sodi, Jane Sowden, Katarina Stingl, Dominique Sturz, Marius Sukys, Agnese Suppiej, Gita Taurina, Francesco Testa, Anna Tracewska, Giovanna Traficante, Sandra Valeina, Caroline Van Cauwenbergh, Elfride De Baere, Russell Wheeler, Thomas Wheeler-Schilling, Patrick Yu-Wai-Man, Christina Zeitz, Reda Žemaitienė

Open Access Research

Morquio A syndrome and effect of enzyme replacement therapy in different age groups of Turkish patients: a case series

Sebile Kılavuz, Sibel Basaran, Deniz Kor, Fatma Derya Bulut, Sevcan Erdem, Hüseyin Tuğsan Ballı, Muhammed Dağkıran, Atil Bisgin, Halise Neslihan Önenli Mungan

Open Access Correction

Correction to: A guide to writing systematic reviews of rare disease treatments to generate FAIRcompliant datasets: building a Treatabolome

Antonio Atalaia, Rachel Thompson, Alberto Corvo, Leigh Carmody, Davide Piscia, Leslie Matalonga, Alfons Macaya, Angela Lochmuller, Bertrand Fontaine, Birte Zurek, Carles Hernandez-Ferrer, Carola Reinhard, David Gómez-Andrés, Jean-François Desaphy, Katherine Schon, Katja Lohmann, Matthew J. Jennings, Matthis Synofzik, Olaf Riess, Rabah Ben Yaou, Teresinha Evangelista, Thiloka Ratnaike, Virginie Bros-Facer, Gulcin Gumus, Rita Horvath, Patrick Chinnery, Steven Laurie, Holm Graessner, Peter Robinson, Hanns Lochmuller, Sergi Beltran, Gisèle Bonne

Open Access Correction

Correction to: RarERN Path: a methodology towards the optimisation of patients’ care pathways in rare and complex diseases developed within the European Reference Networks

Rosaria Talarico, Sara Cannizzo, Valentina Lorenzoni, Diana Marinello, Ilaria Palla, Salvatore Pirri, Simone Ticciati, Leopoldo Trieste, Isotta Triulzi, Enrique Terol, Anna Bucher, Giuseppe Turchetti

Open Access Research

Hyperpigmented spots at fundus examination: a new ocular sign in Neurofibromatosis Type I

Antonietta Moramarco, Fabiana Mallone, Marta Sacchetti, Luca Lucchino, Emanuele Miraglia, Vincenzo Roberti, Alessandro Lambiase, Sandra Giustini

Open Access Research

Increased detection of primary carnitine deficiency through second-tier newborn genetic screening

Yiming Lin, Weifeng Zhang, Chenggang Huang, Chunmei Lin, Weihua Lin, Weilin Peng, Qingliu Fu, Dongmei Chen

Open Access Research

Observation of the natural course of type 3 spinal muscular atrophy: data from the polish registry of spinal muscular atrophy

Anna Lusakowska, Maria Jedrzejowska, Anna Kaminska, Katarzyna Janiszewska, Przemysław Grochowski, Janusz Zimowski, Janusz Sierdzinski, Anna Kostera-Pruszczyk

Open Access Research

Clinical features of central nervous system involvement in patients with eosinophilic granulomatosis with polyangiitis: a retrospective cohort study in China

Suying Liu, Ling Guo, Xiaoyuan Fan, Zhaocui Zhang, Jiaxin Zhou, Xinping Tian, Mengtao Li, Xiaofeng Zeng, Li Wang, Fengchun Zhang

Open Access Research

Newborn screening for spinal muscular atrophy in Germany: clinical results after 2 years

Katharina Vill, Oliver Schwartz, Astrid Blaschek, Dieter Gläser, Uta Nennstiel, Brunhilde Wirth, Siegfried Burggraf, Wulf Röschinger, Marc Becker, Ludwig Czibere, Jürgen Durner, Katja Eggermann, Bernhard Olgemöller, Erik Harms, Ulrike Schara, Heike Kölbel, Wolfgang Müller-Felber

Open Access Correction

Correction to: Phenotypic characterization of X-linked hypophosphatemia in pediatric Spanish population

Enrique Rodríguez-Rubio, Helena Gil-Peña, Sara Chocron, Leire Madariaga, Francisco de la Cerda-Ojeda, Marta Fernández-Fernández, Carmen de Lucas-Collantes, Marta Gil, María Isabel Luis-Yanes, Inés Vergara, Juan David González-Rodríguez, Susana Ferrando, Montserrat Antón-Gamero, Marta Carrasco Hidalgo-Barquero, Angustias Fernández-Escribano, Mº Ángeles Fernández-Maseda, Laura Espinosa, Aniana Oliet, Antonio Vicente, Gema Ariceta, Fernando Santos

Open Access Correction

Correction to: French recommendations for the management of systemic necrotizing vasculitides (polyarteritis nodosa and ANCA-associated vasculitides)

Benjamin Terrier, Raphaël Darbon, Cécile-Audrey Durel, Eric Hachulla, Alexandre Karras, Hélène Maillard, Thomas Papo, Xavier Puechal, Grégory Pugnet, Thomas Quemeneur, Maxime Samson, Camille Taille, Loïc Guillevin, Vincent Audard, Olivier Aumaitre, Karine Briot, Patrice Cacoub, Pascal Cathebras, Dominique Chauveau, Olivier Chosidow, Laurent Chouchana, Vincent Cottin, Divi Cornec, Eric Daugas, Elisabeth Diot, Nicolas Dupin, Khalil El Karoui, Olivier Fain, Pierre Gobert, Philippe Guilpain, Mohamed Hamidou, Aurélie Hummel, Marie Jachiet, Stéphane Jouneau, Noémie Jourde Chiche, Cédric Landron, Claire Le Jeunne, Jean-Christophe Lega, Xavier Mariette, Nathalie Morel, Christian Pagnoux, Philippe Remy, Frédéric Vandergheynst

Open Access Research

Obstructive sleep apnea in Norwegian adults with achondroplasia: a population-based study

Svein O. Fredwall, Britt Øverland, Hanne Berdal, Søren Berg, Harald Weedon-Fekjær, Ingeborg B. Lidal, Ravi Savarirayan, Grethe Månum

Open Access Research

Economic burden in the management of transfusion-dependent thalassaemia patients in Malaysia from a societal perspective

Asrul Akmal Shafie, Jacqueline Hui Yi Wong, Hishamshah Mohd Ibrahim, Noor Syahireen Mohammed, Irwinder Kaur Chhabra

Open Access Review

A framework for the evaluation of patients with congenital facial weakness

Bryn D. Webb, Irini Manoli, Elizabeth C. Engle, Ethylin W. Jabs

Open Access Research

Clinical and genetic characteristics of hypophosphatasia in Chinese children

Meijuan Liu, Min Liu, Xuejun Liang, Di Wu, Wenjing Li, Chang Su, Bingyan Cao, Jiajia Chen, Chunxiu Gong

Open Access Research

The prognosis of recurrent low-grade endometrial stromal sarcoma: a retrospective cohort study

Qianwen Dai, Baolin Xu, Huanwen Wu, Yan You, Ming Wu, Lei Li

Open Access Position statement

Data silos are undermining drug development and failing rare disease patients

Nathan Denton, Monique Molloy, Samantha Charleston, Craig Lipset, Jonathan Hirsch, Andrew E. Mulberg, Paul Howard, Eric D. Marsh

Open Access Research

The epidemiology of Moebius syndrome in Italy

Arturo Carta, Stefania Favilla, Giacomo Calzetti, Maria Cristina Casalini, Pier Francesco Ferrari, Bernardo Bianchi, Maria Beatrice Simonelli, Roberta Farci, Stefano Gandolfi, Paolo Mora

Open Access Research

Psychosocial burden and professional and social support in patients with hereditary transthyretin amyloidosis (ATTRv) and their relatives in Italy

Lorenza Magliano, Laura Obici, Claudia Sforzini, Anna Mazzeo, Massimo Russo, Francesco Cappelli, Silvia Fenu, Marco Luigetti, Matteo Tagliapietra, Chiara Gemelli, Luca Leonardi, Stefano Tozza, Luca Guglielmo Pradotto, Giulia Citarelli, Alessandro Mauro, Fiore Manganelli, Giovanni Antonini, Marina Grandis, Gian Maria Fabrizi, Mario Sabatelli, Davide Pareyson, Federico Perfetto, Giampaolo Merlini, Giuseppe Vita, Giulia Bisogni, Daniela Calabrese, Davide Cardellini, Silvia Casagrande, Tiziana Cavallaro, Eleonora Di Buduo, Andrea Di Paolantonio, Luca Gentile, Anita Graceffa, Sara Massucco, Alessandra Milesi, Stefania Morino, Roberta Mussinelli, Paola Saveri, Daniele Severi

Open Access Position statement

eHealth for patients with rare diseases: the eHealth Working Group of the European Reference Network on Rare Multisystemic Vascular Diseases (VASCERN)

Alessia Paglialonga, Raffaella Gaetano, Leema Robert, Marine Hurard, Luisa Maria Botella, Natasha Barr, Guillaume Jondeau, Alessandro Pini

Open Access Review

Currarino syndrome: a comprehensive genetic review of a rare congenital disorder

Gabriel C. Dworschak, Heiko M. Reutter, Michael Ludwig

Open Access Review

Genetic counseling in the context of Bangladesh: current scenario, challenges, and a framework for genetic service implementation

Mohammad Jakir Hosen, Saeed Anwar, Jarin Taslem Mourosi, Sourav Chakraborty, Md. Faruque Miah, Olivier M. Vanakker

Open Access Letter to the Editor

Hypertrophy of unaffected cardiomyocytes correlates with severity of cardiomyopathy in female patients with Fabry disease

Cristina Chimenti, Romina Verardo, Andrea Frustaci

Open Access Review

Treatable inherited metabolic disorders causing intellectual disability: 2021 review and digital app

Eva M. M. Hoytema van Konijnenburg, Saskia B. Wortmann, Marina J. Koelewijn, Laura A. Tseng, Roderick Houben, Sylvia Stöckler-Ipsiroglu, Carlos R. Ferreira, Clara D. M. van Karnebeek

Open Access Research

Rare disease awareness and perspectives of physicians in China: a questionnaire-based study

Xuefeng Li, Xiangyu Zhang, Shu Zhang, Zijuan Lu, Jianyong Zhang, Jincheng Zhou, Bingzhe Li, Li Ou

Open Access Research

Opioid-free anesthesia for patients with joint hypermobility syndrome undergoing craneo-cervical fixation: a case-series study focused on anti-hyperalgesic approach

Carlos Ramírez-Paesano, Albert Juanola Galceran, Claudia Rodiera Clarens, Vicenҫ Gilete García, Bartolomé Oliver Abadal, Verónica Vilchez Cobo, Bibiana Ros Nebot, Sara Julián González, Lucía Cao López, Jesús Santaliestra Fierro, Josep Rodiera Olivé

Open Access Review

Towards enhanced understanding of idiopathic ketotic hypoglycemia: a literature review and introduction of the patient organization, Ketotic Hypoglycemia International

Danielle Drachmann, Erica Hoffmann, Austin Carrigg, Beccie Davis-Yates, Valerie Weaver, Paul Thornton, David A. Weinstein, Jacob S. Petersen, Pratik Shah, Henrik Thybo Christesen

Open Access Research

Frequency and phenotypic characteristics of RPE65 mutations in the Chinese population

Feng-Juan Gao, Dan-Dan Wang, Jian-Kang Li, Fang-Yuan Hu, Ping Xu, Fang Chen, Yu-He Qi, Wei Liu, Wei Li, Sheng-Hai Zhang, Qing Chang, Ge-Zhi Xu, Ji-Hong Wu

Open Access Review

A systematic literature review of the disease burden in patients with recessive dystrophic epidermolysis bullosa

Jean Yuh Tang, M. Peter Marinkovich, Eleanor Lucas, Emily Gorell, Albert Chiou, Ying Lu, Jodie Gillon, Dipen Patel, Dan Rudin

Open Access Research

Childbirth and motherhood in women with motor disability due to a rare condition: an exploratory study

Marc Dommergues, Drina Candilis, Ludivine Becerra, Edith Thoueille, David Cohen, Sylvie Viaux-Savelon

Open Access Research

Assessing the integrity of auditory processing and sensory memory in adults with cystinosis (CTNS gene mutations)

Ana A. Francisco, Alaina S. Berruti, Frederick J. Kaskel, John J. Foxe, Sophie Molholm

Open Access Review

Cost-of-illness studies in rare diseases: a scoping review

Lidia García-Pérez, Renata Linertová, Cristina Valcárcel-Nazco, Manuel Posada, Inigo Gorostiza, Pedro Serrano-Aguilar

Open Access Research

A ZFYVE19 gene mutation associated with neonatal cholestasis and cilia dysfunction: case report with a novel pathogenic variant

Claudia Mandato, Maria Anna Siano, Lucia Nazzaro, Monica Gelzo, Paola Francalanci, Francesca Rizzo, Ylenia D’Agostino, Manuela Morleo, Simona Brillante, Alessandro Weisz, Brunella Franco, Pietro Vajro

Open Access Research

Assessment of tuberous sclerosis-associated neuropsychiatric disorders using the MINI-KID tool: a pediatric case–control study

Yifeng Ding, Ji Wang, Hao Zhou, Taoli Li, Shuizhen Zhou, Yi Wang

Open Access Research

Classification of endonasal HHT lesions using digital microscopy

F. Haubner, A. Schneider, H. Schinke, M. Bertlich, B. G. Weiss, M. Canis, F. Kashani

Open Access Research

Diagnostic delays in vasculitis and factors associated with time to diagnosis

Antoine G. Sreih, Keri Cronin, Dianne G. Shaw, Kalen Young, Cristina Burroughs, Joyce Kullman, Kirthi Machireddy, Carol A. McAlear, Peter A. Merkel

Open Access Research

Guidelines on the diagnosis, clinical assessments, treatment and management for CLN2 disease patients

Sara E. Mole, Angela Schulz, Eben Badoe, Samuel F. Berkovic, Emily C. de Los Reyes, Simon Dulz, Paul Gissen, Norberto Guelbert, Charles M. Lourenco, Heather L. Mason, Jonathan W. Mink, Noreen Murphy, Miriam Nickel, Joffre E. Olaya, Maurizio Scarpa, Ingrid E. Scheffer, Alessandro Simonati, Nicola Specchio, Ina Von Löbbecke, Raymond Y. Wang, Ruth E. Williams

Open Access Research

A multi-stakeholder multicriteria decision analysis for the reimbursement of orphan drugs (FinMHU-MCDA study)

Fernando de Andrés-Nogales, Encarnación Cruz, Miguel Ángel Calleja, Olga Delgado, Maria Queralt Gorgas, Jaime Espín, Jorge Mestre-Ferrándiz, Francesc Palau, Alba Ancochea, Rosabel Arce, Raquel Domínguez-Hernández, Miguel Ángel Casado, Pedro Gómez Pajuelo, Maria Queralt Gorgas Torner, Antonio López Andrés, Mónica López Rodríguez, Adela Marín Ballvé, María Isabel Martín Herranz, Alberto Morell Baladrón, Fernando Ignacio Sánchez Martínez, Alba Ancochea, Fernando Antoñanzas, Santiago Bonanad, Encarnación Cruz, Teresa Caballero, Juan Manuel Cabasés, Miguel Ángel Calleja, Jordi Cruz, Olga Delgado, Jaime Espín, Manuel García-Goñi, Ricardo Gil, Pedro Gómez Pajuelo, Maria Queralt Gorgas Torner, Antonio López Andrés, Mónica López Rodríguez, Adela Marín Ballvé, María Isabel Martín Herranz, Jorge Mestre-Ferrándiz, Alberto Morell Baladrón, Carlos Mur, Francesc Palau, Matilde P. Machado, Fernando Ignacio Sánchez Martínez, Alba R. Santos, Mónica Suárez, José Luis Trillo

Open Access Research

Patient and caregiver experiences of living with acute hepatic porphyria in the UK: a mixed-methods study

Liz Gill, Sue Burrell, John Chamberlayne, Stephen Lombardelli, Jordanna Mora, Nicola Mason, Marieke Schurer, Madeline Merkel, Stephen Meninger, John J. Ko

Open Access Research

Genotype characterization and delayed loss of ambulation by glucocorticoids in a large cohort of patients with Duchenne muscular dystrophy

Shu Zhang, Dongdong Qin, Liwen Wu, Man Li, Lifang Song, Cuijie Wei, Chunling Lu, Xiaoli Zhang, Siqi Hong, Mingming Ma, Shiwen Wu

Open Access Research

Optimizing language for effective communication of gene therapy concepts with hemophilia patients: a qualitative study

Daniel P. Hart, Brian R. Branchford, Sarah Hendry, Robert Ledniczky, Robert F. Sidonio Jr., Claude Négrier, Michelle Kim, Michelle Rice, Matthew Minshall, Claire Arcé, Steve Prince, Maria Kelleher, Sharon Lee

Open Access Research

Neonatal hyperinsulinism in transient and classical forms of tyrosinemia

Swathi Sethuram, Mark A. Sperling, Jasmine Gujral, Christopher J. Romero

Open Access Research

The diffuse-type tenosynovial giant cell tumor (dt-TGCT) patient journey: a prospective multicenter study

Nicholas M. Bernthal, Geert Spierenburg, John H. Healey, Emanuela Palmerini, Sebastian Bauer, Bart Schreuder, Andreas Leithner, Javier Martin-Broto, Francois Gouin, Thomas Cosker, Hans Gelderblom, Eric L. Staals, Julio Lopez-Bastida, Eva-Maria Fronk, Xin Ye, Petra Laeis, Michiel A. J. van de Sande

Open Access Review

A systematic review of case reports of hepatic actinomycosis

Zahra Chegini, Mojtaba Didehdar, Seidamir Pasha Tabaeian, Amin Khoshbayan, Aref Shariati

Open Access Research

Medium-term outcomes after laparoscopic revision of laparoscopic Kasai portoenterostomy in patients with biliary atresia

Yi Ji, Xuepeng Zhang, Siyuan Chen, Yanan Li, Kaiying Yang, Jiangyuan Zhou, Zhicheng Xu

Open Access Research

Myocardial strain analysis using cardiac magnetic resonance in patients with calpainopathy

Silvio Quick, Max Winkler, Uwe Speiser, Karim Ibrahim, Jochen Schäfer, Axel Linke, Kun Zhang, Marian Christoph, Felix M. Heidrich

Open Access Research

Implementation of second-tier tests in newborn screening for the detection of vitamin B12 related acquired and genetic disorders: results on 258,637 newborns

Sonia Pajares, Jose Antonio Arranz, Aida Ormazabal, Mireia Del Toro, Ángeles García-Cazorla, Aleix Navarro-Sastre, Rosa María López, Silvia María Meavilla, Mariela Mercedes de los Santos, Camila García-Volpe, Jose Manuel González de Aledo-Castillo, Ana Argudo, Jose Luís Marín, Clara Carnicer, Rafael Artuch, Frederic Tort, Laura Gort, Rosa Fernández, Judit García-Villoria, Antonia Ribes

Open Access COVID-19 Research

PH CARE COVID survey: an international patient survey on the care for pulmonary hypertension patients during the early phase of the COVID-19 pandemic

Laurent Godinas, Keerthana Iyer, Gergely Meszaros, Rozenn Quarck, Pilar Escribano-Subias, Anton Vonk Noordegraaf, Pavel Jansa, Michele D’Alto, Milan Luknar, Senka Milutinov Ilic, Catharina Belge, Olivier Sitbon, Abílio Reis, Stephan Rosenkranz, Joanna Pepke-Zaba, Marc Humbert, Marion Delcroix

Open Access Research

Ocular manifestations of ectodermal dysplasia

Daphna Landau Prat, William R. Katowitz, Alanna Strong, James A. Katowitz

Open Access Research

How to design a registry for undiagnosed patients in the framework of rare disease diagnosis: suggestions on software, data set and coding system

Alexandra Berger, Anne-Kathrin Rustemeier, Jens Göbel, Dennis Kadioglu, Vanessa Britz, Katharina Schubert, Klaus Mohnike, Holger Storf, Thomas O. F. Wagner

Open Access Research

Quality of life and its contributors among adults with late-onset Pompe disease in China

Shanquan Chen, Jingxuan Wang, Jianfeng Zhu, Roger Yat-Nork Chung, Dong Dong

Open Access Letter to the Editor

Target 5000: a standardized all-Ireland pathway for the diagnosis and management of inherited retinal degenerations

Kirk A. J. Stephenson, Julia Zhu, Niamh Wynne, Adrian Dockery, Rebecca M. Cairns, Emma Duignan, Laura Whelan, Conor P. Malone, Hilary Dempsey, Karen Collins, Shana Routledge, Rajiv Pandey, Elaine Crossan, Jacqueline Turner, James J. O’Byrne, Laura Brady, Giuliana Silvestri, Paul F. Kenna, G. Jane Farrar, David J. Keegan

Open Access Research

Down regulation of the expression of mitochondrial phosphopantetheinyl-proteins in pantothenate kinase-associated neurodegeneration: pathophysiological consequences and therapeutic perspectives

Mónica Álvarez-Córdoba, Marta Talaverón-Rey, Irene Villalón-García, Suleva Povea-Cabello, Juan M. Suárez-Rivero, Alejandra Suárez-Carrillo, Manuel Munuera-Cabeza, Joaquín J. Salas, José A. Sánchez-Alcázar

Open Access COVID-19 Research

Effects of the COVID-19 pandemic and lockdown on the mental and physical health of adults with Prader-Willi syndrome

Helena Mosbah, Muriel Coupaye, Flavien Jacques, Maithé Tauber, Karine Clément, Jean-Michel Oppert, Christine Poitou

Open Access Research

Clinical and laboratory prognosticators of atrophic papulosis (Degos disease): a systematic review

Justin D. Lu, Muskaan Sachdeva, Orli M. Silverberg, Lee Shapiro, David Croitoru, Rebecca Levy

Open Access COVID-19 Position statement

ATTR amyloidosis during the COVID-19 pandemic: insights from a global medical roundtable

Thomas H. Brannagan III, Michaela Auer-Grumbach, John L. Berk, Chiara Briani, Vera Bril, Teresa Coelho, Thibaud Damy, Angela Dispenzieri, Brian M. Drachman, Nowell Fine, Hanna K. Gaggin, Morie Gertz, Julian D. Gillmore, Esther Gonzalez, Mazen Hanna, David R. Hurwitz, Sami L. Khella, Mathew S. Maurer, Jose Nativi-Nicolau, Kemi Olugemo, Luis F. Quintana, Andrew M. Rosen, Hartmut H. Schmidt, Jacqueline Shehata, Marcia Waddington-Cruz, Carol Whelan, Frederick L. Ruberg

Open Access Research

A qualitative investigation into the impact of hemophagocytic lymphohistiocytosis on children and their caregivers

Annabel Nixon, Elina Roddick, Karen Moore, Diane Wild

Open Access Position statement

Model organisms contribute to diagnosis and discovery in the undiagnosed diseases network: current state and a future vision

Dustin Baldridge, Michael F. Wangler, Angela N. Bowman, Shinya Yamamoto, Maria T. Acosta, Margaret Adam, David R. Adams, Pankaj B. Agrawal, Mercedes E. Alejandro, Justin Alvey, Laura Amendola, Ashley Andrews, Euan A. Ashley, Mahshid S. Azamian, Carlos A. Bacino, Guney Bademci, Eva Baker, Ashok Balasubramanyam, Dustin Baldridge, Jim Bale, Michael Bamshad, Deborah Barbouth, Pinar Bayrak-Toydemir, Anita Beck, Alan H. Beggs, Edward Behrens, Gill Bejerano, Jimmy Bennet, Beverly Berg-Rood, Jonathan A. Bernstein, Gerard T. Berry, Anna Bican, Stephanie Bivona, Elizabeth Blue, John Bohnsack, Carsten Bonnenmann, Devon Bonner, Lorenzo Botto, Brenna Boyd, Lauren C. Briere, Elly Brokamp, Gabrielle Brown, Elizabeth A. Burke, Lindsay C. Burrage, Manish J. Butte, Peter Byers, William E. Byrd, John Carey, Olveen Carrasquillo, Ta Chen Peter Chang, Sirisak Chanprasert, Hsiao-Tuan Chao, Gary D. Clark, Terra R. Coakley, Laurel A. Cobban, Joy D. Cogan, Matthew Coggins, F. Sessions Cole, Heather A. Colley, Cynthia M. Cooper, Heidi Cope, William J. Craigen, Andrew B. Crouse, Michael Cunningham, Precilla D’Souza, Hongzheng Dai, Surendra Dasari, Joie Davis, Jyoti G. Dayal, Matthew Deardorff, Esteban C. Dell’Angelica, Shweta U. Dhar, Katrina Dipple, Daniel Doherty, Naghmeh Dorrani, Argenia L. Doss, Emilie D. Douine, David D. Draper, Laura Duncan, Dawn Earl, David J. Eckstein, Lisa T. Emrick, Christine M. Eng, Cecilia Esteves, Marni Falk, Liliana Fernandez, Carlos Ferreira, Elizabeth L. Fieg, Laurie C. Findley, Paul G. Fisher, Brent L. Fogel, Irman Forghani, Laure Fresard, William A. Gahl, Ian Glass, Bernadette Gochuico, Rena A. Godfrey, Katie Golden-Grant, Alica M. Goldman, Madison P. Goldrich, David B. Goldstein, Alana Grajewski, Catherine A. Groden, Irma Gutierrez, Sihoun Hahn, Rizwan Hamid, Neil A. Hanchard, Kelly Hassey, Nichole Hayes, Frances High, Anne Hing, Fuki M. Hisama, Ingrid A. Holm, Jason Hom, Martha Horike-Pyne, Alden Huang, Yong Huang, Laryssa Huryn, Rosario Isasi, Fariha Jamal, Gail P. Jarvik, Jeffrey Jarvik, Suman Jayadev, Lefkothea Karaviti, Jennifer Kennedy, Dana Kiley, Shilpa N. Kobren, Isaac S. Kohane, Jennefer N. Kohler, Deborah Krakow, Donna M. Krasnewich, Elijah Kravets, Susan Korrick, Mary Koziura, Joel B. Krier, Seema R. Lalani, Byron Lam, Christina Lam, Grace L. LaMoure, Brendan C. Lanpher, Ian R. Lanza, Lea Latham, Kimberly LeBlanc, Brendan H. Lee, Hane Lee, Roy Levitt, Richard A. Lewis, Sharyn A. Lincoln, Pengfei Liu, Xue Zhong Liu, Nicola Longo, Sandra K. Loo, Joseph Loscalzo, Richard L. Maas, John MacDowall, Ellen F. Macnamara, Calum A. MacRae, Valerie V. Maduro, Marta M. Majcherska, Bryan C. Mak, May Christine V. Malicdan, Laura A. Mamounas, Teri A. Manolio, Rong Mao, Kenneth Maravilla, Thomas C. Markello, Ronit Marom, Gabor Marth, Beth A. Martin, Martin G. Martin, Julian A. Martínez-Agosto, Shruti Marwaha, Jacob McCauley, Allyn McConkie-Rosell, Colleen E. McCormack, Alexa T. McCray, Elisabeth McGee, Heather Mefford, J. Lawrence Merritt, Matthew Might, Ghayda Mirzaa, Eva Morava, Paolo M. Moretti, Deborah Mosbrook-Davis, John J. Mulvihill, David R. Murdock, Anna Nagy, Mariko Nakano-Okuno, Avi Nath, Stan F. Nelson, John H. Newman, Sarah K. Nicholas, Deborah Nickerson, Shirley Nieves-Rodriguez, Donna Novacic, Devin Oglesbee, James P. Orengo, Laura Pace, Stephen Pak, J. Carl Pallais, Christina GS. Palmer, Jeanette C. Papp, Neil H. Parker, John A. Phillips III, Jennifer E. Posey, Lorraine Potocki, Bradley Power, Barbara N. Pusey, Aaron Quinlan, Wendy Raskind, Archana N. Raja, Deepak A. Rao, Genecee Renteria, Chloe M. Reuter, Lynette Rives, Amy K. Robertson, Lance H. Rodan, Jill A. Rosenfeld, Natalie Rosenwasser, Francis Rossignol, Maura Ruzhnikov, Ralph Sacco, Jacinda B. Sampson, Susan L. Samson, Mario Saporta, C. Ron Scott, Judy Schaechter, Timothy Schedl, Kelly Schoch, Daryl A. Scott, Vandana Shashi, Jimann Shin, Rebecca Signer, Edwin K. Silverman, Janet S. Sinsheimer, Kathy Sisco, Edward C. Smith, Kevin S. Smith, Emily Solem, Lilianna Solnica-Krezel, Ben Solomon, Rebecca C. Spillmann, Joan M. Stoler, Jennifer A. Sullivan, Kathleen Sullivan, Angela Sun, Shirley Sutton, David A. Sweetser, Virginia Sybert, Holly K. Tabor, Amelia L. M. Tan, Queenie K.-G. Tan, Mustafa Tekin, Fred Telischi, Willa Thorson, Audrey Thurm, Cynthia J. Tifft, Camilo Toro, Alyssa A. Tran, Brianna M. Tucker, Tiina K. Urv, Adeline Vanderver, Matt Velinder, Dave Viskochil, Tiphanie P. Vogel, Colleen E. Wahl, Stephanie Wallace, Nicole M. Walley, Chris A. Walsh, Melissa Walker, Jennifer Wambach, Jijun Wan, Lee-kai Wang, Michael F. Wangler, Patricia A. Ward, Daniel Wegner, Mark Wener, Tara Wenger, Katherine Wesseling Perry, Monte Westerfield, Matthew T. Wheeler, Jordan Whitlock, Lynne A. Wolfe, Jeremy D. Woods, Shinya Yamamoto, John Yang, Muhammad Yousef, Diane B. Zastrow, Wadih Zein, Chunli Zhao, Stephan Zuchner, Tim Schedl, Stephen C. Pak, John H. Postlethwait, Jimann Shin, Lilianna Solnica-Krezel, Hugo J. Bellen, Monte Westerfield

Open Access Research

The incidence of hydrocephalus among patients with and without spinal muscular atrophy (SMA): Results from a US electronic health records study

Emma Viscidi, Nasha Wang, Maneesh Juneja, Ishir Bhan, Claudia Prada, Dayle James, Stacie Lallier, Corinne Makepeace, Karen Laird, Susan Eaton, Anne Dilley, Susan Hall

Open Access Research

A somatic mutation in PIK3CD unravels a novel candidate gene for lymphatic malformation

Shengcai Wang, Wei Wang, Xuexi Zhang, Jingang Gui, Jie Zhang, Yongli Guo, Yuanhu Liu, Lin Han, Qiaoyin Liu, Yanzhen Li, Nian Sun, Zhiyong Liu, Jiangnan Du, Jun Tai, Xin Ni

Open Access Research

Validating online approaches for rare disease research using latent class mixture modeling

Andrew A. Dwyer, Ziwei Zeng, Christopher S. Lee

Open Access Research

Rare disease patient matchmaking: development and outcomes of an internet case-finding strategy in the Undiagnosed Diseases Network

Kimberly LeBlanc, Emily G. Kelley, Anna Nagy, Jorick Bater, Tala Berro, Molly A. McGuinness, Courtney Studwell, Matthew Might

Open Access Research

The impact of severe rare chronic neurological disease in childhood on the quality of life of families—a study on MLD and PCH2

Louisa Ammann-Schnell, Samuel Groeschel, Christiane Kehrer, Saskia Frölich, Ingeborg Krägeloh-Mann

Open Access Research

Prospective study of the natural history of chronic acid sphingomyelinase deficiency in children and adults: eleven years of observation

Margaret M. McGovern, Melissa P. Wasserstein, Bruno Bembi, Roberto Giugliani, K. Eugen Mengel, Marie T. Vanier, Qi Zhang, M. Judith Peterschmitt

Open Access Correction

Correction to: Assessing rare diseases prevalence using literature quantification

Jason Shourick, Maxime Wack, Anne-Sophie Jannot

Open Access Research

Neonatal screening and genotype-phenotype correlation of hyperphenylalaninemia in the Chinese population

Xin Wang, Yanyun Wang, Dingyuan Ma, Zhilei Zhang, Yahong Li, Peiying Yang, Yun Sun, Tao Jiang

Open Access Research

Subcutaneous vitamin B12 administration using a portable infusion pump in cobalamin-related remethylation disorders: a gentle and easy to use alternative to intramuscular injections

Amelie S. Lotz-Havla, Katharina J. Weiß, Katharina A. Schiergens, Theresa Brunet, Jürgen Kohlhase, Stephanie Regenauer-Vandewiele, Esther M. Maier

Open Access Research

Involvement of mental health professionals in the treatment of tuberous sclerosis complex–associated neuropsychiatric disorders (TAND): results of a multinational European electronic survey

Robert Waltereit, Guillaume Beaure d’Augères, Jasna Jancic, John Chris Kingswood, Maya Koleva, Ruben Marques, Vicente Villanueva, Stéphane Auvin

Open Access Research

Investigating health-related quality of life in rare diseases: a case study in utility value determination for patients with CLN2 disease (neuronal ceroid lipofuscinosis type 2)

Paul Gissen, Nicola Specchio, Andrew Olaye, Mohit Jain, Thomas Butt, Wrik Ghosh, Benjamin Ruban-Fell, Annabel Griffiths, Charlotte Camp, Zlatko Sisic, Christoph Schwering, Eva Wibbeler, Marina Trivisano, Laura Lee, Miriam Nickel, Amanda Mortensen, Angela Schulz

Open Access Research

The impact of rarity in NICE’s health technology appraisals

Sophie Clarke, Michelle Ellis, Jack Brownrigg

Open Access Review

Calcium channelopathies and intellectual disability: a systematic review

Miriam Kessi, Baiyu Chen, Jing Peng, Fangling Yan, Lifen Yang, Fei Yin

Open Access Research

Long-term renal outcome in methylmalonic acidemia in adolescents and adults

Myriam Dao, Jean-Baptiste Arnoux, Frank Bienaimé, Anaïs Brassier, François Brazier, Jean-François Benoist, Clément Pontoizeau, Chris Ottolenghi, Pauline Krug, Olivia Boyer, Pascale de Lonlay, Aude Servais

Open Access Research

Presymptomatic treatment of classic late-infantile neuronal ceroid lipofuscinosis with cerliponase alfa

J. Schaefers, L. J. van der Giessen, C. Klees, E. H. Jacobs, S. Sieverdink, M. H. G. Dremmen, J. K. H. Spoor, A. T. van der Ploeg, J. M. P. van den Hout, H. H. Huidekoper

Open Access Review

Dissecting the role of EYS in retinal degeneration: clinical and molecular aspects and its implications for future therapy

Ana B. Garcia-Delgado, Lourdes Valdes-Sanchez, Maria Jose Morillo-Sanchez, Beatriz Ponte-Zuñiga, Francisco J. Diaz-Corrales, Berta de la Cerda

Open Access Research

Birt–Hogg–Dubé syndrome in Chinese patients: a literature review of 120 families

Xiaowen Hu, Guofeng Zhang, Xianmeng Chen, Kai-Feng Xu

Open Access Research

C4OH is a potential newborn screening marker—a multicenter retrospective study of patients with beta-ketothiolase deficiency in China

Yiming Lin, Zhantao Yang, Chiju Yang, Haili Hu, Haiyan He, Tingting Niu, Mingfang Liu, Dongjuan Wang, Yun Sun, Yuyan Shen, Xiaole Li, Huiming Yan, Yuanyuan Kong, Xinwen Huang

Open Access Research

Clinical patterns and the evolution of relapsing polychondritis based on organ involvement: a Chinese retrospective cohort study

Lei Zhang, Shuang Yun, Tiange Wu, Yujie He, Jinyan Guo, Lishuai Han, Jiameng Lu, Xiaojun Liu, Rui Yang, Shitao Zhang, Tianfang Li, Shengyun Liu

Open Access Letter to the Editor

Severe anemia in patients with Propionic acidemia is associated with branched-chain amino acid imbalance

Sinziana Stanescu, Amaya Belanger-Quintana, Borja Manuel Fernandez-Felix, Francisco Arrieta, Victor Quintero, Maria Soledad Maldonado, Patricia Alcaide, Mercedes Martínez-Pardo

Open Access Research

The natural history of Canavan disease: 23 new cases and comparison with patients from literature

Annette Bley, Jonas Denecke, Alfried Kohlschütter, Gerhard Schön, Sandra Hischke, Philipp Guder, Tatjana Bierhals, Heather Lau, Maja Hempel, Florian S. Eichler

Open Access Letter to the Editor

Identification of two novel bullous pemphigoid- associated alleles, HLA-DQA1*05:05 and -DRB1*07:01, in Germans

Christian Schwarm, Damian Gola, Maike M. Holtsche, Anabelle Dieterich, Anita Bhandari, Miriam Freitag, Peter Nürnberg, Mohammad Toliat, Wolfgang Lieb, Michael Wittig, André Franke, Margitta Worm, Michael Sticherling, Jan Ehrchen, Claudia Günther, Regine Gläser, Wiebke K. Peitsch, Miklós Sárdy, Rüdiger Eming, Michael Hertl, Sandrine Benoit, Matthias Goebeler, Claudia Pföhler, Manfred Kunz, Alexander Kreuter, Nina van Beek, Jeanette Erdmann, Hauke Busch, Detlef Zillikens, Christian D. Sadik, Misa Hirose, Inke R. König, Enno Schmidt, Saleh M. Ibrahim

Open Access Research

Ethylmalonic encephalopathy and liver transplantation: long-term outcome of the first treated patient

Giorgia Olivieri, Diego Martinelli, Daniela Longo, Chiara Grimaldi, Daniela Liccardo, Ivano Di Meo, Andrea Pietrobattista, Anna Sidorina, Michela Semeraro, Carlo Dionisi-Vici

Open Access Letter to the Editor

Lymphoproliferative malignancies in patients with neurofibromatosis 1

Christina Bergqvist, François Hemery, Arnaud Jannic, Salah Ferkal, Pierre Wolkenstein

Open Access Research

Microcephalic osteodysplastic primordial dwarfism type II is associated with global vascular disease

Angela L. Duker, Dagmar Kinderman, Christy Jordan, Tim Niiler, Carissa M. Baker-Smith, Louise Thompson, David A. Parry, Ricki S. Carroll, Michael B. Bober

Open Access Research

Effects of thymectomy on late-onset non-thymomatous myasthenia gravis: systematic review and meta-analysis

Jinwei Zhang, Yuan Chen, Hui Zhang, Zhaoyu Yang, Peng Zhang

Open Access Research

Genotype–phenotype correlation of 17 cases of Pompe disease in Spanish patients and identification of 4 novel GAA variants

Paula Hernández-Arévalo, José D. Santotoribio, Rocío Delarosa-Rodríguez, Antonio González-Meneses, Salvador García-Morillo, Pilar Jiménez-Arriscado, Juan M. Guerrero, Hada C. Macher

Open Access Research

Enzyme replacement therapy and hematopoietic stem cell transplant: a new paradigm of treatment in Wolman disease

Jane E. Potter, Gemma Petts, Arunabha Ghosh, Fiona J. White, Jane L. Kinsella, Stephen Hughes, Jane Roberts, Adam Hodgkinson, Kathryn Brammeier, Heather Church, Christine Merrigan, Joanne Hughes, Pamela Evans, Helen Campbell, Denise Bonney, William G. Newman, Brian W. Bigger, Alexander Broomfield, Simon A. Jones, Robert F. Wynn

Open Access Research

Towards an ICF-based self-report questionnaire for people with skeletal dysplasia to study health, functioning, disability and accessibility

Heidi Anttila, Susanna Tallqvist, Minna Muñoz, Sanna Leppäjoki-Tiistola, Outi Mäkitie, Sinikka Hiekkala

Open Access Review

The clinical course of Duchenne muscular dystrophy in the corticosteroid treatment era: a systematic literature review

Shelagh M. Szabo, Renna M. Salhany, Alison Deighton, Meagan Harwood, Jean Mah, Katherine L. Gooch

Open Access Research

Mucopolysaccharidosis VII in Brazil: natural history and clinical findings

Roberto Giugliani, Anneliese Lopes Barth, Melissa Rossi Calvão Dumas, José Francisco da Silva Franco, Liane de Rosso Giuliani, Carlos Henrique Paiva Grangeiro, Dafne Dain Gandelman Horovitz, Chong Ae Kim, Emilia Katiane Embiruçu de Araújo Leão, Paula Frassinetti Vasconcelos de Medeiros, Diego Santana Chaves Geraldo Miguel, Maria Espírito Santo Almeida Moreira, Helena Maria Guimarães Pimentel dos Santos, Luiz Carlos Santana da Silva, Luiz Roberto da Silva, Isabel Neves de Souza, Tatiele Nalin, Daniel Garcia

Open Access Research

The genetic basis of classical galactosaemia in Polish patients

Aleksandra Jezela-Stanek, Anna Bauer, Katarzyna Wertheim-Tysarowska, Jerzy Bal, Agnieszka Magdalena Rygiel, Jolanta Sykut-Cegielska

Open Access Research

Lessons learned from hemolytic uremic syndrome registries: recommendations for implementation

Mina Lazem, Abbas Sheikhtaheri, Nakysa Hooman

Open Access Research

Epidemiology of mucopolysaccharidoses (MPS) in United States: challenges and opportunities

Yana Puckett, Alejandra Mallorga-Hernández, Adriana M. Montaño

Open Access Research

Clinical and genetic findings in patients with congenital cataract and heart diseases

Xinru Li, Nuo Si, Zixun Song, Yaqiong Ren, Wei Xiao

Open Access Research

Clinical, genetic and quality-of-life study of a cohort of adult patients with tuberous sclerosis

Elena Cristina De Sautu De Borbón, Juan Manuel Guerra Vales, Carlos Lumbreras Bermejo, Felix Guerrero Ramos, María José Buj Padilla, Jesús González de la Aleja, Montserrat Morales Conejo

Open Access Research

Characterization of genotype–phenotype correlation with MORC2 mutated Axonal Charcot–Marie–Tooth disease in a cohort of Chinese patients

Xiaohui Duan, Xiaoxuan Liu, Guochun Wang, Weihong Gu, Min Xu, Ying Hao, Mingrui Dong, Qing Sun, Shaojie Sun, Yuanyuan Chen, Wei Wang, Jing Li, Yuting Zhang, Zhenhua Cao, Dongsheng Fan, Renbin Wang, Yuwei Da

Open Access Review

Potential predictors of severe cardiovascular involvement in Marfan syndrome: the emphasized role of genotype–phenotype correlations in improving risk stratification—a literature review

Roland Stengl, Bence Ágg, Miklós Pólos, Gábor Mátyás, Gábor Szabó, Béla Merkely, Tamás Radovits, Zoltán Szabolcs, Kálmán Benke

Open Access Correction

Correction to: Clinical disease progression and biomarkers in Niemann–Pick disease type C: a prospective cohort study

Eugen Mengel, Bruno Bembi, Mireia del Toro, Federica Deodato, Matthias Gautschi, Stephanie Grunewald, Sabine Grønborg, Bénédicte Héron, Esther M. Maier, Agathe Roubertie, Saikat Santra, Anna Tylki-Szymanska, Simon Day, Tara Symonds, Stacie Hudgens, Marc C. Patterson, Christina Guldberg, Linda Ingemann, Nikolaj H. T. Petersen, Thomas Kirkegaard, Christine í Dali

Open Access Correction

Correction to: Molecular mechanics and dynamic simulations of well-known Kabuki syndrome-associated KDM6A variants reveal putative mechanisms of dysfunction

Young-In Chi, Timothy J. Stodola, Thiago M. De Assuncao, Elise N. Leverence, Swarnendu Tripathi, Nikita R. Dsouza, Angela J. Mathison, Donald G. Basel, Brian F. Volkman, Brian C. Smith, Gwen Lomberk, Michael T. Zimmermann, Raul Urrutia

Open Access Correction

Correction to: Growth in ataxia telangiectasia

Valerie A. I. Natale, Tim J. Cole, Cynthia Rothblum-Oviatt, Jennifer Wright, Thomas O. Crawford, Maureen A. Lefton-Greif, Sharon A. McGrath-Morrow, Haley Schlechter, Howard M. Lederman

Open Access Research

Differences in health care experiences between rare cancer and common cancer patients: results from a national cross-sectional survey

Eline de Heus, Vivian Engelen, Irene Dingemans, Carol Richel, Marga Schrieks, Jan Maarten van der Zwan, Marc G. Besselink, Mark I. van Berge Henegouwen, Carla M. L. van Herpen, Saskia F. A. Duijts

Open Access Research

Direct and indirect costs and cost-driving factors in adults with tuberous sclerosis complex: a multicenter cohort study and a review of the literature

Johann Philipp Zöllner, Janina Grau, Felix Rosenow, Matthias Sauter, Markus Knuf, Gerhard Kurlemann, Thomas Mayer, Christoph Hertzberg, Astrid Bertsche, Ilka Immisch, Karl Martin Klein, Susanne Knake, Klaus Marquard, Sascha Meyer, Anna H. Noda, Felix von Podewils, Hannah Schäfer, Charlotte Thiels, Laurent M. Willems, Bianca Zukunft, Susanne Schubert-Bast, Adam Strzelczyk

Open Access Research

The European Rare Kidney Disease Registry (ERKReg): objectives, design and initial results

Giulia Bassanese, Tanja Wlodkowski, Aude Servais, Laurence Heidet, Dario Roccatello, Francesco Emma, Elena Levtchenko, Gema Ariceta, Justine Bacchetta, Giovambattista Capasso, Augustina Jankauskiene, Marius Miglinas, Pietro Manuel Ferraro, Giovanni Montini, Jun Oh, Stephane Decramer, Tanja Kersnik Levart, Jack Wetzels, Elisabeth Cornelissen, Olivier Devuyst, Aleksandra Zurowska, Lars Pape, Anja Buescher, Dieter Haffner, Natasa Marcun Varda, Gian Marco Ghiggeri, Giuseppe Remuzzi, Martin Konrad, Germana Longo, Detlef Bockenhauer, Atif Awan, Ilze Andersone, Jaap W. Groothoff, Franz Schaefer

Open Access Correction

Correction to: Comprehensive genetic characteristics of dystrophinopathies in China

Peipei Ma, Shu Zhang, Hao Zhang, Siying Fang, Yuru Dong, Yan Zhang, Weiwei Hao, Shiwen Wu, Yuying Zhao

Open Access Research

Birth prevalence of phenylalanine hydroxylase deficiency: a systematic literature review and meta-analysis

Pamela K. Foreman, Andrea V. Margulis, Kimberly Alexander, Renee Shediac, Brian Calingaert, Abenah Harding, Manel Pladevall-Vila, Sarah Landis

Open Access Research

A triple-blinded crossover study to evaluate the short-term safety of sweet manioc starch for the treatment of glycogen storage disease type Ia

Vaneisse C. L. Monteiro, Bibiana M. de Oliveira, Bruna B. dos Santos, Fernanda Sperb-Ludwig, Lilia F. Refosco, Tatiele Nalin, Terry G. J. Derks, Carolina F. Moura de Souza, Ida V. D. Schwartz

Open Access Review

Epidemiology and burden of progressive familial intrahepatic cholestasis: a systematic review

Tracey Jones-Hughes, Jo Campbell, Louise Crathorne

Open Access Research

Treatment adherence in tyrosinemia type 1 patients

Domingo González-Lamuño, Paula Sánchez-Pintos, Fernando Andrade, María L. Couce, Luís Aldámiz-Echevarría

Open Access Research

RPE65-associated inherited retinal diseases: consensus recommendations for eligibility to gene therapy

Andrea Sodi, Sandro Banfi, Francesco Testa, Michele Della Corte, Ilaria Passerini, Elisabetta Pelo, Settimio Rossi, Francesca Simonelli

Open Access Research

Analysis of copy number variations of WNT4 gene in a Chinese population with Müllerian anomalies

Ying Zhu, Ruyi Wang, Yun Cheng, Yang Han, Tengyan Li, Yunxia Cao, Binbin Wang

Open Access Research

Maternal bile acid profile and subtype analysis of intrahepatic cholestasis of pregnancy

Yong Shao, Siyu Chen, Huan Li, Qin Tang, Di Xu

Open Access Research

Sirolimus in the treatment of kaposiform lymphangiomatosis

Jiangyuan Zhou, Kaiying Yang, Siyuan Chen, Yi Ji

Open Access Research

Delayed diagnosis of Peutz–Jeghers syndrome due to pathological information loss or mistake in family/personal history

Yu-Liang Jiang, Xiao-Dong Xu, Bai-Rong Li, En-Da Yu, Zi-Ye Zhao, Hong Liu

Open Access Research

Demographics, in-hospital analysis, and prevalence of 33 rare diseases with effective treatment in Shanghai

Xiaoshu Cai, Georgi Z. Genchev, Ping He, Hui Lu, Guangjun Yu

Open Access Letter to the Editor

Deliberate paradigm shift in research in rare neurodevelopmental disorders

Jennifer M. Bain, Adel Ardalan, Sylvie Goldman

Open Access Research

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Chad Gwaltney, Jonathan Stokes, Anthony Aiudi, Iyar Mazar, Sarah Ollis, Emily Love, Alan Shields

Open Access Research

Val50Met hereditary transthyretin amyloidosis: not just a medical problem, but a psychosocial burden

Juan González-Moreno, Aina Gaya-Barroso, Inés Losada-López, Adrián Rodríguez, Teresa Bosch-Rovira, Tomás Ripoll-Vera, Mercedes Usón, Antoni Figuerola, Cristina Descals, Carles Montalà, María Asunción Ferrer-Nadal, Eugenia Cisneros-Barroso

Open Access Research

Non-hotspot PIK3CA mutations are more frequent in CLOVES than in common or combined lymphatic malformations

Pascal Brouillard, Matthieu J. Schlögel, Nassim Homayun Sepehr, Raphaël Helaers, Angela Queisser, Elodie Fastré, Simon Boutry, Sandra Schmitz, Philippe Clapuyt, Frank Hammer, Anne Dompmartin, Annamaria Weitz-Tuoretmaa, Jussi Laranne, Louise Pasquesoone, Catheline Vilain, Laurence M. Boon, Miikka Vikkula

Open Access Research

Characteristics and possible mechanisms of 46, XY differences in sex development caused by novel compound variants in NR5A1 and MAP3K1

Yiping Cheng, Jing Chen, Xinli Zhou, Jiangfei Yang, Yiming Ji, Chao Xu

Open Access Research

Outcome of L-DEP regimen for treatment of pediatric chronic active Epstein–Barr virus infection

Honghao Ma, Liping Zhang, Ang Wei, Jun Yang, Dong Wang, Qing Zhang, Yunze Zhao, Sitong Chen, Hongyun Lian, Li Zhang, Chunju Zhou, Maoquan Qin, Zhigang Li, Tianyou Wang, Rui Zhang

Open Access Letter to the Editor

Dual inhibition of complement component 5 and leukotriene B4 by topical rVA576 in atopic keratoconjunctivis: TRACKER phase 1 clinical trial results

Sara Sánchez-Tabernero, Julia Fajardo-Sanchez, Wynne Weston-Davies, Mohit Parekh, Jaime Kriman, Stephen Kaye, Sajjad Ahmad

Open Access Letter to the Editor

Gastrostomy for infants with severe epidermolysis bullosa simplex in neonatal intensive care

M. Marro, S. De Smet, D. Caldari, C. Lambe, S. Leclerc-Mercier, C. Chiaverini

Open Access Research

Frequency detection of BRAF V600E mutation in a cohort of pediatric langerhans cell histiocytosis patients by next-generation sequencing

Shunqiao Feng, Lin Han, Mei Yue, Dixiao Zhong, Jing Cao, Yibing Guo, Yanling Sun, Hao Zhang, Zhenhua Cao, Xiaodai Cui, Rong Liu

Open Access Research

The etiology of diffuse cystic lung diseases: an analysis of 1010 consecutive cases in a LAM clinic

Han Cui, Chongsheng Cheng, Wenshuai Xu, Xinlun Tian, Yanli Yang, Yani Wang, Jiannan Huang, Yudi He, Jun Wang, Ruie Feng, Weihong Zhang, Kai-Feng Xu

Open Access Research

Ultrasound-guided nusinersen administration for spinal muscular atrophy patients with severe scoliosis: an observational study

Jiao Zhang, Xulei Cui, Si Chen, Yi Dai, Yuguang Huang, Shuyang Zhang

Open Access Research

Survival of patients with rare diseases: a population-based study in Tuscany (Italy)

Francesca Gorini, Alessio Coi, Lorena Mezzasalma, Silvia Baldacci, Anna Pierini, Michele Santoro

Open Access Research

Sleep and physical activity patterns in adults and children with Bardet–Biedl syndrome

Jeremy Pomeroy, Jeffrey J. VanWormer, Jill R. Meilahn, Tara Maki, Hema R. Murali, Robert M. Haws

Open Access Research

Sequential everolimus for angiomyolipoma associated with tuberous sclerosis complex: a prospective cohort study

Liangyou Gu, Cheng Peng, Fan Zhang, Cunjin Fang, Gang Guo

Open Access Research

68Ga-NOTA-Evans Blue PET/CT findings in lymphangioleiomyomatosis compared with 99mTC-ASC lymphoscintigraphy: a prospective study

Guozhu Hou, Yuanyuan Jiang, Wenshuai Xu, Zhaohui Zhu, Li Huo, Xiaoyuan Chen, Fang Li, Kai-Feng Xu, Wuying Cheng

Open Access Research

Reducing the diagnostic delay in Antiphospholipid Syndrome over time: a real world observation

Massimo Radin, Silvia Grazietta Foddai, Alice Barinotti, Irene Cecchi, Elena Rubini, Savino Sciascia, Dario Roccatello

Open Access Research

Direct and indirect costs and cost-driving factors of Tuberous sclerosis complex in children, adolescents, and caregivers: a multicenter cohort study

Janina Grau, Johann Philipp Zöllner, Susanne Schubert-Bast, Gerhard Kurlemann, Christoph Hertzberg, Adelheid Wiemer-Kruel, Thomas Bast, Astrid Bertsche, Ulrich Bettendorf, Barbara Fiedler, Andreas Hahn, Hans Hartmann, Frauke Hornemann, Ilka Immisch, Julia Jacobs, Matthias Kieslich, Karl Martin Klein, Kerstin A. Klotz, Gerhard Kluger, Markus Knuf, Thomas Mayer, Klaus Marquard, Sascha Meyer, Hiltrud Muhle, Karen Müller-Schlüter, Anna H. Noda, Susanne Ruf, Matthias Sauter, Jan-Ulrich Schlump, Steffen Syrbe, Charlotte Thiels, Regina Trollmann, Bernd Wilken, Laurent M. Willems, Felix Rosenow, Adam Strzelczyk

Open Access Research

Healthcare needs, expectations, utilization, and experienced treatment effects in patients with hereditary spastic paraplegia: a web-based survey in the Netherlands

Hans C. J. W. Kerstens, Bas J. H. Van Lith, Maarten J. Nijkrake, Bert J. M. De Swart, Laura A. C. Van den Bemd, Rob J. E. M. Smeets, Fheodoroff Klemens, Bart P. C. Van de Warrenburg, Philip J. Van der Wees, Alexander C. H. Geurts

Open Access Research

Causative variant profile of collagen VI-related dystrophy in Japan

Michio Inoue, Yoshihiko Saito, Takahiro Yonekawa, Megumu Ogawa, Aritoshi Iida, Ichizo Nishino, Satoru Noguchi

Open Access Research

Development of the Fabry Disease Patient-Reported Outcome (FD-PRO): a new instrument to measure the symptoms and impacts of Fabry Disease

Alaa Hamed, Pronabesh DasMahapatra, Nicole Lyn, Chad Gwaltney, Robert J. Hopkin

Open Access Research

Clinical and molecular characterization of craniofrontonasal syndrome: new symptoms and novel pathogenic variants in the EFNB1 gene

Ewelina Bukowska-Olech, Paweł Gawliński, Anna Jakubiuk-Tomaszuk, Maria Jędrzejowska, Ewa Obersztyn, Michał Piechota, Marta Bielska, Aleksander Jamsheer

Open Access Research

Gene expression analysis in EBV-infected ataxia-telangiectasia cell lines by RNA-sequencing reveals protein synthesis defect and immune abnormalities

Moussab Tatfi, Emeline Perthame, Kenzo-Hugo Hillion, Marie-Agnès Dillies, Hervé Menager, Olivier Hermine, Felipe Suarez

Open Access Research

Which triggers could support timely identification of primary antibody deficiency? A qualitative study using the patient perspective

Lisanne M. A. Janssen, Kim van den Akker, Mohamed A. Boussihmad, Esther de Vries

Open Access Research

Metabolic and immunological phenotype of rare lipomatoses: Dercum’s disease and Roch-Leri mesosomatic lipomatosis

Madleen Lemaitre, Benjamin Chevalier, Arnaud Jannin, Kristell Le Mapihan, Samuel Boury, Georges Lion, Myriam Labalette, Marie-Christine Vantyghem

Open Access Research

Two novel variants in DYRK1B causative of AOMS3: expanding the clinical spectrum

Elvia C. Mendoza-Caamal, Francisco Barajas-Olmos, Elaheh Mirzaeicheshmeh, Ian Ilizaliturri-Flores, Carlos A. Aguilar-Salinas, Donaji V. Gómez-Velasco, Isabel Cicerón-Arellano, Adriana Reséndiz-Rodríguez, Angélica Martínez-Hernández, Cecilia Contreras-Cubas, Sergio Islas-Andrade, Carlos Zerrweck, Humberto García-Ortiz, Lorena Orozco

Open Access Review

A systematic review of moral reasons on orphan drug reimbursement

Bettina M. Zimmermann, Johanna Eichinger, Matthias R. Baumgartner

Open Access Research

Clinical characteristics and genetic spectrum of 26 individuals of Chinese origin with primary ciliary dyskinesia

Xinyue Zhao, Chun Bian, Keqiang Liu, Wenshuai Xu, Yaping Liu, Xinlun Tian, Jing Bai, Kai-Feng Xu, Xue Zhang

Open Access Research

Economic burden and health-related quality of life in tenosynovial giant-cell tumour patients in Europe: an observational disease registry

J. Lopez-Bastida, I. Aranda-Reneo, B. Rodríguez-Sánchez, L. M. Peña-Longobardo, X. Ye, P. Laeis, E. M. Fronk, E. Palmerini, A. Leithner, M. A. J. Van de Sande

Open Access Review

Ketogenic diet for mitochondrial disease: a systematic review on efficacy and safety

Heidi Zweers, Annemiek M. J. van Wegberg, Mirian C. H. Janssen, Saskia B. Wortmann

Open Access Research

Characterization of the clinical and genetic spectrum of autoimmune polyendocrine syndrome type 1 in Chinese case series

Ya-Bing Wang, Ou Wang, Min Nie, Yan Jiang, Mei Li, Wei-Bo Xia, Xiao-Ping Xing

Open Access Research

Clinical relevance of targeted exome sequencing in patients with rare syndromic short stature

Gilyazetdinov Kamil, Ju Young Yoon, Sukdong Yoo, Chong Kun Cheon

Open Access Research

Quantitative parameters of lymphocyte nuclear morphology in bronchoalveolar lavage fluid as novel biomarkers for sarcoidosis

Yasushi Horimasu, Kakuhiro Yamaguchi, Shinjiro Sakamoto, Takeshi Masuda, Shintaro Miyamoto, Taku Nakashima, Hiroshi Iwamoto, Kazunori Fujitaka, Hironobu Hamada, Noboru Hattori

Open Access Research

Everolimus versus sirolimus for angiomyolipoma associated with tuberous sclerosis complex: a multi-institutional retrospective study in China

Cong Luo, Yu-Shi Zhang, Ming-Xin Zhang, Min-Feng Chen, Yuan Li, Lin Qi, Han-Zhong Li, Xiong-Bin Zu, Yi Cai

Open Access Research

Rare manifestations and malignancies in tuberous sclerosis complex: findings from the TuberOus SClerosis registry to increAse disease awareness (TOSCA)

Matthias Sauter, Elena Belousova, Mirjana P. Benedik, Tom Carter, Vincent Cottin, Paolo Curatolo, Maria Dahlin, Lisa D’Amato, Guillaume B. d’Augères, Petrus J. de Vries, José C. Ferreira, Martha Feucht, Carla Fladrowski, Christoph Hertzberg, Sergiusz Jozwiak, John A. Lawson, Alfons Macaya, Ruben Marques, Rima Nabbout, Finbar O’Callaghan, Jiong Qin, Valentin Sander, Seema Shah, Yukitoshi Takahashi, Renaud Touraine, Sotiris Youroukos, Bernard Zonnenberg, Anna Jansen, J. Chris Kingswood, Nobuo Shinohara, Shigeo Horie, Masaya Kubota, Jun Tohyama, Katsumi Imai, Mari Kaneda, Hideo Kaneko, Yasushi Uchida, Tomoko Kirino, Shoichi Endo, Yoshikazu Inoue, Katsuhisa Uruno, Ayse Serdaroglu, Zuhal Yapici, Banu Anlar, Sakir Altunbasak, Olga Lvova, Oleg Valeryevich Belyaev, Oleg Agranovich, Elena Vladislavovna Levitina, Yulia Vladimirovna Maksimova, Antonina Karas, Yuwu Jiang, Liping Zou, Kaifeng Xu, Yushi Zhang, Guoming Luan, Yuqin Zhang, Yi Wang, Meiling Jin, Dingwei Ye, Weiping Liao, Liemin Zhou, Jie Liu, Jianxiang Liao, Bo YAN, Yanchun Deng, Li Jiang, Zhisheng Liu, Shaoping Huang, Hua Li, Kijoong Kim, Pei-Lung Chen, Hsiu-Fen Lee, Jeng-Dau Tsai, Ching-Shiang Chi, Chao-Ching Huang, Kate Riney, Deborah Yates, Patrick Kwan, Surachai Likasitwattanakul, Charcrin Nabangchang, Lunliya Thampratankul Krisnachai Chomtho, Kamornwan Katanyuwong, Somjit Sriudomkajorn, Jo Wilmshurst, Reeval Segel, Tal Gilboa, Michal Tzadok, Aviva Fattal- Valevski, Panagiotis Papathanasopoulos, Antigone Syrigou Papavasiliou, Stylianos Giannakodimos, Stylianos Gatzonis, Evangelos Pavlou, Meropi Tzoufi, A. M. H. Vergeer, Marc Dhooghe, Hélène Verhelst, Filip Roelens, Marie Cecile Nassogne, Pierre Defresne, Liesbeth De Waele, Patricia Leroy, Nathalie Demonceau, Benjamin Legros, Patrick Van Bogaert, Berten Ceulemans, Lina Dom, Pierre Castelnau, Anne De Saint Martin, Audrey Riquet, Mathieu Milh, Claude Cances, Jean-Michel Pedespan, Dorothee Ville, Agathe Roubertie, Stéphane Auvin, Patrick Berquin, Christian Richelme, Catherine Allaire, Sophie Gueden, Sylvie Nguyen The Tich, Bertrand Godet, Maria Luz Ruiz Falco Rojas, Jaume Campistol Planas, Antonio Martinez Bermejo, Patricia Smeyers Dura, Susana Roldan Aparicio, Maria Jesus Martinez Gonzalez, Javier Lopez Pison, Manuel Oscar Blanco Barca, Eduardo Lopez Laso, Olga Alonso Luengo, Francisco Javier Aguirre Rodriguez, Ignacio Malaga Dieguez, Ana Camacho Salas, Itxaso Marti Carrera, Eduardo Martinez Salcedo, Maria Eugenia Yoldi Petri, Ramon Cancho Candela, Ines da Conceicao Carrilho, Jose Pedro Vieira, José Paulo da Silva Oliveira Monteiro, Miguel Jorge Santos de Oliveira Ferreira Leao, Catarina Sofia Marceano Ribeiro Luis, Carla Pires Mendonca, Milda Endziniene, Jurgis Strautmanis, Inga Talvik, Maria Paola Canevini, Antonio Gambardella, Dario Pruna, Salvatore Buono, Elena Fontana, Bernardo Dalla Bernardina, Carmen Burloiu, Iuliu Stefan Bacos Cosma, Mihaela Adela Vintan, Laura Popescu, Karel Zitterbart, Jaroslava Payerova, Ladislav Bratsky, Zuzana Zilinska, Ursula Gruber-Sedlmayr, Matthias Baumann, Edda Haberlandt, Kevin Rostasy, Ekaterina Pataraia, Frances Elmslie, Clare Ann Johnston, Pamela Crawford, Peter Uldall, Paul Uvebrant, Olof Rask, Marit Bjoernvold, Eylert Brodtkorb, Andreas Sloerdahl, Ragnar Solhoff, Martine Sofie Gilje Jaatun, Marek Mandera, Elzbieta Janina Radzikowska, Mariusz Wysocki, Michael Fischereder, Gerhard Kurlemann, Bernd Wilken, Adelheid Wiemer-Kruel, Klemens Budde, Klaus Marquard, Markus Knuf, Andreas Hahn, Hans Hartmann, Andreas Merkenschlager, Regina Trollmann

Open Access Research

Novel folliculin gene mutations in Polish patients with Birt–Hogg–Dubé syndrome

Elżbieta Radzikowska, Urszula Lechowicz, Jolanta Winek, Lucyna Opoka

Open Access Research

Integrated in silico MS-based phosphoproteomics and network enrichment analysis of RASopathy proteins

Javier-Fernando Montero-Bullón, Óscar González-Velasco, María Isidoro-García, Jesus Lacal

Open Access Research

Cybernic treatment with wearable cyborg Hybrid Assistive Limb (HAL) improves ambulatory function in patients with slowly progressive rare neuromuscular diseases: a multicentre, randomised, controlled crossover trial for efficacy and safety (NCY-3001)

Takashi Nakajima, Yoshiyuki Sankai, Shinjiro Takata, Yoko Kobayashi, Yoshihito Ando, Masanori Nakagawa, Toshio Saito, Kayoko Saito, Chiho Ishida, Akira Tamaoka, Takako Saotome, Tetsuo Ikai, Hisako Endo, Kazuhiro Ishii, Mitsuya Morita, Takashi Maeno, Kiyonobu Komai, Tetsuhiko Ikeda, Yuka Ishikawa, Shinichiro Maeshima, Masashi Aoki, Michiya Ito, Tatsuya Mima, Toshihiko Miura, Jun Matsuda, Yumiko Kawaguchi, Tomohiro Hayashi, Masahiro Shingu, Hiroaki Kawamoto

Open Access Research

Is ghrelin a biomarker of early-onset scoliosis in children with Prader–Willi syndrome?

Dibia Liz Pacoricona Alfaro, Gwenaelle Diene, Graziella Pinto, Jean-Pierre Salles, Isabelle Gennero, Sandy Faye, Catherine Molinas, Marion Valette, Catherine Arnaud, Maithé Tauber

Open Access Review

A review of mechanisms of disease across PIK3CA-related disorders with vascular manifestations

Guillaume Canaud, Adrienne M. Hammill, Denise Adams, Miikka Vikkula, Kim M. Keppler-Noreuil

Open Access Research

Clinical, molecular and glycophenotype insights in SLC39A8-CDG

Eleonora Bonaventura, Rita Barone, Luisa Sturiale, Rosa Pasquariello, Maria Grazia Alessandrì, Anna Maria Pinto, Alessandra Renieri, Celeste Panteghini, Barbara Garavaglia, Giovanni Cioni, Roberta Battini

Open Access Research

Essential list of medicinal products for rare diseases: recommendations from the IRDiRC Rare Disease Treatment Access Working Group

William A. Gahl, Durhane Wong-Rieger, Virginie Hivert, Rachel Yang, Galliano Zanello, Stephen Groft

Open Access Research

Improving early diagnosis of rare diseases using Natural Language Processing in unstructured medical records: an illustration from Dravet syndrome

Tommaso Lo Barco, Mathieu Kuchenbuch, Nicolas Garcelon, Antoine Neuraz, Rima Nabbout

Open Access Research

The long and winding road: perspectives of people and parents of children with mitochondrial conditions negotiating management after diagnosis

Janet C. Long, Stephanie Best, Sarah Hatem, Tahlia Theodorou, Toni Catton, Sean Murray, Jeffrey Braithwaite, John Christodoulou

Open Access Review

Glaucoma in mucopolysaccharidoses

Weijing Kong, Jing Zhang, Cheng Lu, Yingxue Ding, Yan Meng

Open Access Research

Haploidentical haematopoietic stem cell transplantation for malignant infantile osteopetrosis and intermediate osteopetrosis: a retrospective analysis of a single centre

Guanghua Zhu, Ang Wei, Bin Wang, Jun Yang, Yan Yan, Kai Wang, Chenguang Jia, Yanhui Luo, Sidan Li, Xuan Zhou, Tianyou Wang, Huyong Zheng, Maoquan Qin

Open Access Research

The parental perspective of thalassaemia in Bangladesh: lack of knowledge, regret, and barriers

Mohammad Sorowar Hossain, Md. Mahbub Hasan, Mary Petrou, Paul Telfer, Abdullah Al Mosabbir

Open Access COVID-19 Letter to the Editor

Gene therapies and COVID-19 vaccines: a necessary discussion in relation with viral vector-based approaches

Angel Aledo-Serrano, Antonio Gil-Nagel, Julian Isla, Ana Mingorance, Fernando Mendez-Hermida, Ruben Hernandez-Alcoceba

Open Access Research

A large consanguineous family with a homozygous Metabotropic Glutamate Receptor 7 (mGlu7) variant and developmental epileptic encephalopathy: Effect on protein structure and ligand affinity

Marwa Ben Jdila, Cécile Mignon-Ravix, Sihem Ben Ncir, Fatma Kammoun, Faiza Fakhfakh, Laurent Villard, Chahnez Triki

Open Access Research

Normative data on spontaneous stride velocity, stride length, and walking activity in a non-controlled environment

Margaux Poleur, Ana Ulinici, Aurore Daron, Olivier Schneider, Fabian Dal Farra, Marie Demonceau, Mélanie Annoussamy, David Vissière, Damien Eggenspieler, Laurent Servais

Open Access Research

Natural history and genetic study of LAMA2-related muscular dystrophy in a large Chinese cohort

Dandan Tan, Lin Ge, Yanbin Fan, Xingzhi Chang, Shuang Wang, Cuijie Wei, Juan Ding, Aijie Liu, Shuo Wang, Xueying Li, Kai Gao, Haipo Yang, Chengli Que, Zhen Huang, Chunde Li, Ying Zhu, Bing Mao, Bo Jin, Ying Hua, Xiaoli Zhang, Bingbing Zhang, Wenhua Zhu, Cheng Zhang, Yanjuan Wang, Yun Yuan, Yuwu Jiang, Anne Rutkowski, Carsten G. Bönnemann, Xiru Wu, Hui Xiong

Open Access Correction

Correction to: A somatic mutation in PIK3CD unravels a novel candidate gene for lymphatic malformation

Shengcai Wang, Wei Wang, Xuexi Zhang, Jingang Gui, Jie Zhang, Yongli Guo, Yuanhu Liu, Lin Han, Qiaoyin Liu, Yanzhen Li, Nian Sun, Zhiyong Liu, Jiangnan Du, Jun Tai, Xin Ni

Open Access Research

A review of the clinical outcomes in idursulfase-treated and untreated Filipino patients with mucopolysaccharidosis type II: data from the local lysosomal storage disease registry

Marie Julianne C. Racoma, Maria Kristina Karizza B. Calibag, Cynthia P. Cordero, Mary Ann R. Abacan, Mary Anne D. Chiong

Open Access Research

Clinical features and treatment efficacy for IgG4-related thyroiditis

Xinxin Han, Panpan Zhang, Jieqiong Li, Zheng Liu, Hui Lu, Xuan Luo, Boju Pan, Xiaolan Lian, Xuejun Zeng, Wen Zhang, Xiaofeng Zeng

Open Access COVID-19 Research

Paradoxical low severity of COVID-19 in Prader-Willi syndrome: data from a French survey on 647 patients

Muriel Coupaye, Virginie Laurier, Grégoire Benvegnu, Christine Poitou, Pauline Faucher, Héléna Mosbah, Gwenaelle Diene, Graziella Pinto, Laura González Briceño, Christine Merrien, Ana Camarena Toyos, Emilie Montastier, Maithé Tauber, Fabien Mourre

Open Access Research

The combined prevalence of classified rare rheumatic diseases is almost double that of ankylosing spondylitis

Judith Leyens, Tim Th. A. Bender, Martin Mücke, Christiane Stieber, Dmitrij Kravchenko, Christian Dernbach, Matthias F. Seidel

Open Access Research

A questionnaire-based study to comprehensively assess the status quo of rare disease patients and care-givers in China

Xuefeng Li, Meiling Liu, Jinduan Lin, Bingzhe Li, Xiangyu Zhang, Shu Zhang, Zijuan Lu, Jianyong Zhang, Jincheng Zhou, Li Ou

Open Access Research

The LORIS MyeliNeuroGene rare disease database for natural history studies and clinical trial readiness

Aaron Spahr, Zaliqa Rosli, Mélanie Legault, Luan T. Tran, Simon Fournier, Helia Toutounchi, Lama Darbelli, Cécile Madjar, Cassandra Lucia, Marie-Lou St-Jean, Samir Das, Alan C. Evans, Geneviève Bernard

Open Access Correction

Correction to: Long-term health-related quality of life in patients treated with subcutaneous C1-inhibitor replacement therapy for the prevention of hereditary angioedema attacks: findings from the COMPACT open-label extension study

William R. Lumry, Bruce Zuraw, Marco Cicardi, Timothy Craig, John Anderson, Aleena Banerji, Jonathan A. Bernstein, Teresa Caballero, Henriette Farkas, Richard G. Gower, Paul K. Keith, Donald S. Levy, H. Henry Li, Markus Magerl, Michael Manning, Marc A. Riedl, John-Philip Lawo, Subhransu Prusty, Thomas Machnig, Hilary Longhurst

Open Access Research

Increased chitotriosidase 1 concentration following nusinersen treatment in spinal muscular atrophy

Maren Freigang, Petra Steinacker, Claudia Diana Wurster, Olivia Schreiber-Katz, Alma Osmanovic, Susanne Petri, Jan Christoph Koch, Kevin Rostásy, Björn Falkenburger, Albert Christian Ludolph, Markus Otto, Andreas Hermann, René Günther

Open Access Research

Health Disparities among adults cared for at an urban cystic fibrosis program

Emily DiMango, Kaitlyn Simpson, Elizabeth Menten, Claire Keating, Weijia Fan, Cheng-Shiun Leu

Open Access Position statement

The first European consensus on principles of management for achondroplasia

Valerie Cormier-Daire, Moeenaldeen AlSayed, Tawfeg Ben-Omran, Sérgio Bernardo de Sousa, Silvio Boero, Svein O. Fredwall, Encarna Guillen-Navarro, Melita Irving, Christian Lampe, Mohamad Maghnie, Geert Mortier, Zagorka Peijin, Klaus Mohnike

Open Access Research

Variants in a cis-regulatory element of TBX1 in conotruncal heart defect patients impair GATA6-mediated transactivation

Xuechao Jiang, Tingting Li, Sijie Liu, Qihua Fu, Fen Li, Sun Chen, Kun Sun, Rang Xu, Yuejuan Xu

Open Access Research

Social and medical needs of rare metabolic patients: results from a MetabERN survey

Sylvia Sestini, Laura Paneghetti, Christina Lampe, Gianni Betti, Simon Bond, Cinzia Maria Bellettato, Scarpa Maurizio

Open Access Letter to the Editor

Growth hormone treatment for adults with Prader-Willi syndrome: another point of view

Harry J. Hirsch, Varda Gross-Tsur

Open Access Research

Retrospective study on growth in infants with isolated Robin sequence treated with the Tuebingen Palate Plate

Cornelia Wiechers, Regina Iffländer, Rieke Gerdes, Melissa Ciuffolotti, Jörg Arand, Christina Weise, Katharina Peters, Bärbel Grandke, Siegmar Reinert, Bernd Koos, Christian F. Poets

Open Access Research

Biochemical and molecular features of Chinese patients with glutaric acidemia type 1 detected through newborn screening

Yiming Lin, Wenjun Wang, Chunmei Lin, Zhenzhu Zheng, Qingliu Fu, Weilin Peng, Dongmei Chen

Open Access Research

Endophenotypical drift in Huntington’s disease: a 5-year follow-up study

Marie N. N. Hellem, Rebecca K. Hendel, Tua Vinther-Jensen, Ida U. Larsen, Troels T. Nielsen, Lena E. Hjermind, Esben Budtz-Jørgensen, Asmus Vogel, Jørgen E. Nielsen

Open Access Research

Long-term efficacy and safety of sapropterin in patients who initiated sapropterin at < 4 years of age with phenylketonuria: results of the 3-year extension of the SPARK open-label, multicentre, randomised phase IIIb trial

Ania C. Muntau, Alberto Burlina, François Eyskens, Peter Freisinger, Vincenzo Leuzzi, Hatice Serap Sivri, Gwendolyn Gramer, Renata Pazdírková, Maureen Cleary, Amelia S. Lotz-Havla, Paul Lane, Ignacio Alvarez, Frank Rutsch

Open Access Research

Epidemiological investigation of hemophagocytic lymphohistiocytosis in China

Shuyan Yao, Yini Wang, Yuan Sun, Li Liu, Rui Zhang, Jianpei Fang, Runming Jin, Jie Yu, Fei Li, Jie Bai, Yun Zeng, Cheng Zhang, Huo Tan, Fan Zhou, Yan Chen, Qiaohua Zhang, Zhao Wang

Open Access Letter to the Editor

Preventive use of nitisinone in alkaptonuria

Bruce H. R. Wolffenbuttel, M. Rebecca Heiner-Fokkema, Francjan J. van Spronsen

Open Access Research

Genetic syndromes screening by facial recognition technology: VGG-16 screening model construction and evaluation

Dian Hong, Ying-Yi Zheng, Ying Xin, Ling Sun, Hang Yang, Min-Yin Lin, Cong Liu, Bo-Ning Li, Zhi-Wei Zhang, Jian Zhuang, Ming-Yang Qian, Shu-Shui Wang

Open Access Research

10 years of CEMARA database in the AnDDI-Rares network: a unique resource facilitating research and epidemiology in developmental disorders in France

Claude Messiaen, Caroline Racine, Ahlem Khatim, Louis Soussand, Sylvie Odent, Didier Lacombe, Sylvie Manouvrier, Patrick Edery, Sabine Sigaudy, David Geneviève, Christel Thauvin-Robinet, Laurent Pasquier, Florence Petit, Massimiliano Rossi, Marjolaine Willems, Tania Attié-Bitach, Pierre-Henry Roux-Levy, Laurent Demougeot, Lilia Ben Slama, Paul Landais, Bruno Leheup, Martine Doco-Fenzy, Céline Poirsier, Marta Spodenkiewicz, Lola Lissy, Audrey Lannoy, Elise Shaefer, Salima El Chehadeh, Jeanne Amiel, Cyril Mignot, Judith Melki, Sandra Whalen, Marilyn Irène Lackmy, Benoit Funalot, Gilles Morin, Marion Gérard, Nicolas Gruchy, Arnaud Molin, Annick Toutain, Stéphanie Arpin, Sophie Blesson, Médéric Jeanne, Bertrand Isidor, Marie Vincent, Mathilde Nizon, Sandra Mercier, Dominique Bonneau, Estelle Colin, Alban Ziegler, Séverine Audebert-Bellanger, Radka Stoeva, Florence Demurger, Julien Thevenon, Christine Francannet, Baptiste Troude, Isabelle Perthus, Damien Haye, Patrick Collignon, Brigitte Gilbert-Dussardier, Frédéric Bilan, Mattieu Egloff, Gwenaël Le Guyader, Pascaline Letard, Elisabeth Sarrazin, Anna-Gaëlle Giguet-Valard, Léna Damaj, Mélanie Fradin, Alinoe Lavillaureix, Nolwenn Jean-Marçais, Godelieve Morel, Chloé Quelin, Sophie Naudion, Marine Legendre, Julien Van-Gils, Caroline Rooryck-Thambo, Odile Boute, Anne Dieux, Catherine Vincent-Delorme, Jamal Ghoumid, Clémence Vanlerberghe, Roseline Caumes, Cindy Colson, Luisa Marsili, Antoine Wyrebski, Laurence Bellengier, Françoise Houdayer, Audrey Putoux, Tiffany Busa, Florence Riccardi, Chantal Missirian, Patricia Blanchet, Christine Coubes, Emmanuelle Haquet, Lucile Pinson, Jacques Puechberty, Constance Wells, Yline Capri, Laurence Perrin, Sandrine Passemard, Lyse Ruand, Sophie Nambot, Julian Delanne, Sébastien Moutton, Arthur Sorlin, Daphné Lehalle, Aurore Garde, Anne-Sophie Jannot, Christine Binquet, Arnaud Sandrin, Alain Verloes, Laurence Faivre

Open Access Research

Estimating the broader fiscal consequences of acute hepatic porphyria (AHP) with recurrent attacks in Belgium using a public economic analytic framework

Mark P. Connolly, Nikos Kotsopoulos, Sebastian Vermeersch, Julien Patris, David Cassiman

Open Access Research

Increased levels of serum interleukin-10 are associated with poor outcome in adult hemophagocytic lymphohistiocytosis patients

Yulan Zhou, Fancong Kong, Shixuan Wang, Min Yu, Yawen Xu, Jing Kang, Songtao Tu, Fei Li

Open Access Research

Hearing characteristics of infantile-onset Pompe disease after early enzyme-replacement therapy

Chien-Yu Hsueh, Chii-Yuan Huang, Chia-Feng Yang, Chia-Chen Chang, Wei-Sheng Lin, Hsiu-Lien Cheng, Shang-Liang Wu, Yen-Fu Cheng, Dau-Ming Niu

Open Access Research

Auditory cortex hypoperfusion: a metabolic hallmark in Beta Thalassemia

Renzo Manara, Sara Ponticorvo, Silverio Perrotta, Maria Rosaria Barillari, Giuseppe Costa, Davide Brotto, Rosanna Di Concilio, Angela Ciancio, Elisa De Michele, Pasquale Alessandro Carafa, Antonietta Canna, Andrea Gerardo Russo, Donato Troisi, Martina Caiazza, Federica Ammendola, Domenico Roberti, Claudia Santoro, Stefania Picariello, Maria Sole Valentino, Emanuela Inserra, Roberta Carfora, Mario Cirillo, Simona Raimo, Gabriella Santangelo, Francesco di Salle, Fabrizio Esposito, Immacolata Tartaglione

Open Access Research

Prevalence of fibrodysplasia ossificans progressiva (FOP) in the United States: estimate from three treatment centers and a patient organization

Robert J. Pignolo, Edward C. Hsiao, Genevieve Baujat, David Lapidus, Adam Sherman, Frederick S. Kaplan

Open Access Research

A qualitative study of the impacts of having an infant or young child with achondroplasia on parent well-being

Kathryn M. Pfeiffer, Meryl Brod, Alden Smith, Dorthe Viuff, Sho Ota, R. Will Charlton

Open Access Research

Health care transition for patients with vascular malformations: a French multicenter cross-sectional study

Camille Vermersch, Olivia Boccara, Christine Chiaverini, Juliette Mazereeuw-Hautier, Nina Sigg, Stéphanie Mallet, Pierre Vabres, Denis Herbreteau, Anne Le Touze, Annabel Maruani, Sophie Leducq

Open Access Research

Expert opinion on diagnosing, treating and managing patients with cerebrotendinous xanthomatosis (CTX): a modified Delphi study

Bianca M. L. Stelten, Maria Teresa Dotti, Aad Verrips, Bülent Elibol, Tzipora C. Falik-Zaccai, Kate Hanman, Andrea Mignarri, Belina Sithole, Robert D. Steiner, Surabhi Verma, Gilad Yahalom, Tanyel Zubarioglu, Fanny Mochel, Antonio Federico

Open Access Review

Osteomyelitis variolosa, an issue inherited from the past: case report and systematic review

Jinshuo Tang, Pu Shao, Te Liu, Xinggui Wen, Yeliang Wang, Chenyu Wang, Yachen Peng, Hua Yao, Jianlin Zuo

Open Access Research

Clinical course of neurogenic bladder dysfunction in human T-cell leukemia virus type-1-associated myelopathy/tropical spastic paraparesis: a nationwide registry study in Japan

Naoki Iijima, Junji Yamauchi, Naoko Yagishita, Natsumi Araya, Satoko Aratani, Kenichiro Tanabe, Tomoo Sato, Ayako Takata, Yoshihisa Yamano

Open Access Research

A rare disease patient-reported outcome measure: revision and validation of the German version of the Systemic Sclerosis Quality of Life Questionnaire (SScQoL) using the Rasch model

Agnes Kocher, Mwidimi Ndosi, Kris Denhaerynck, Michael Simon, Andrew A. Dwyer, Oliver Distler, Kirsten Hoeper, Patrizia Künzler-Heule, Anthony C. Redmond, Peter M. Villiger, Ulrich A. Walker, Dunja Nicca

Open Access Position statement

The GoodHope Ehlers Danlos Syndrome Clinic: development and implementation of the first interdisciplinary program for multi-system issues in connective tissue disorders at the Toronto General Hospital

Nimish Mittal, Daniel Santa Mina, Laura McGillis, Aliza Weinrib, P. Maxwell Slepian, Maxim Rachinsky, Stephanie Buryk-Iggers, Camille Laflamme, Laura Lopez-Hernandez, Laura Hussey, Joel Katz, Lianne McLean, Dmitry Rozenberg, Louis Liu, Yvonne Tse, Colleen Parker, Arnon Adler, George Charames, Robert Bleakney, Christian Veillette, Christopher J. Nielson, Sandra Tavares, Stephanie Varriano, Juan Guzman, Hanna Faghfoury, Hance Clarke

Open Access Research

Economic burden and health related quality of life of ultra-rare Gaucher disease in China

Xinye Qi, Jiao Xu, Linghan Shan, Ye Li, Yu Cui, Huan Liu, Kexin Wang, Lijun Gao, Zheng Kang, Qunhong Wu

Open Access Letter to the Editor

Mannose supplementation in PMM2-CDG

Roman Taday, Julien H. Park, Marianne Grüneberg, Ingrid DuChesne, Janine Reunert, Thorsten Marquardt

Open Access Research

Progressive spastic tetraplegia and axial hypotonia (STAHP) due to SOD1 deficiency: is it really a new entity?

Paulo Victor Sgobbi de Souza, Wladimir Bocca Vieira de Rezende Pinto, Igor Braga Farias, Bruno de Mattos Lombardi Badia, Icaro França Navarro Pinto, Gustavo Carvalho Costa, Carolina Maria Marin, Ana Carolina dos Santos Jorge, Emília Correia Souto, Paulo de Lima Serrano, Roberta Ismael Lacerda Machado, Marco Antônio Troccoli Chieia, Enrico Bertini, Acary Souza Bulle Oliveira

Open Access COVID-19 Research

Hospital mortality in patients with rare diseases during pandemics: lessons learnt from the COVID-19 and SARS pandemics

Claudia Ching Yan Chung, Wilfred Hing Sang Wong, Brian Hon Yin Chung

Open Access Research

Natural history of Lafora disease: a prognostic systematic review and individual participant data meta-analysis

Federica Pondrelli, Lorenzo Muccioli, Laura Licchetta, Barbara Mostacci, Corrado Zenesini, Paolo Tinuper, Luca Vignatelli, Francesca Bisulli

Open Access Research

Two progressed malignant phyllodes tumors of the breast harbor alterations in genes frequently involved in other advanced cancers

Mattea Reinisch, Sherko Kuemmel, Elisabeth Breit, Ingo Theuerkauf, Hakima Harrach, Dorothea Schindowski, Detlef Moka, Marcus Bettstetter, Simona Bruzas, Ouafaa Chiari

Open Access Research

Quality of life of transplanted children and their parents: a cross-sectional study

Pauline Duvant, Magali Fillat, Florentine Garaix, Bertrand Roquelaure, Caroline Ovaert, Virginie Fouilloux, Michel Tsimaratos, Pascal Auquier, Alexandre Fabre, Karine Baumstarck

Open Access Research

PhenoDB, GeneMatcher and VariantMatcher, tools for analysis and sharing of sequence data

Elizabeth Wohler, Renan Martin, Sean Griffith, Eliete da S. Rodrigues, Corina Antonescu, Jennifer E. Posey, Zeynep Coban-Akdemir, Shalini N. Jhangiani, Kimberly F. Doheny, James R. Lupski, David Valle, Ada Hamosh, Nara Sobreira

Open Access Letter to the Editor

A comparison of two studies and the prevalence and sex ratio of Neurodevelopmental conditions in Tuberous Sclerosis Complex

Abigail K. Runicles, Charlotte Tye, Patrick F. Bolton

Open Access COVID-19 Research

A retrospective study on disease management in children and adolescents with phenylketonuria during the Covid-19 pandemic lockdown in Austria

Marion Herle, Michaela Brunner-Krainz, Daniela Karall, Bernadette Goeschl, Dorothea Möslinger, Joachim Zobel, Barbara Plecko, Sabine Scholl-Bürgi, Johannes Spenger, Saskia B. Wortmann, Martina Huemer

Open Access Research

Clinical features of gastric duplications: evidence from primary case reports and published data

Yang Li, Chen Li, Hao Wu, Quan Wang, Zhi-Dong Gao, Xiao-Dong Yang, Ke-Wei Jiang, Ying-Jiang Ye

Open Access Research

Patients with neuromyelitis optica spectrum disorder (NMOSD) are associated with adverse outcome after total hip arthroplasty: a matched case–control study

Xi Chen, Wenwei Qian, Guixing Qiu, Xisheng Weng, Jin Lin, Jin Jin, Shibai Zhu, Yiou Wang, Shanni Li

Open Access Research

Mutation of c.244G>T in NR5A1 gene causing 46, XY DSD by affecting RNA splicing

Bingqing Yu, Yinjie Gao, Jiangfeng Mao, Xi Wang, Min Nie, Xueyan Wu

Open Access Research

Impact of glycogen storage disease type I on adult daily life: a survey

Sven F. Garbade, Viviane Ederer, Peter Burgard, Udo Wendel, Ute Spiekerkoetter, Dorothea Haas, Sarah C. Grünert

Open Access COVID-19 Research

Increased risk of chronic fatigue and hair loss following COVID-19 in individuals with hypohidrotic ectodermal dysplasia

Verena Hennig, Wolfgang Schuh, Antje Neubert, Dirk Mielenz, Hans-Martin Jäck, Holm Schneider

Open Access Research

Pilot investigation of circulating angiogenic and inflammatory biomarkers associated with vascular malformations

Sarah E. Wetzel-Strong, Shantel Weinsheimer, Jeffrey Nelson, Ludmila Pawlikowska, Dewi Clark, Mark D. Starr, Yingmiao Liu, Helen Kim, Marie E. Faughnan, Andrew B. Nixon, Douglas A. Marchuk

Open Access Research

The frequency of rare and monogenic diseases in pediatric organ transplant recipients in Italy

Tiziana Vaisitti, Daniela Peritore, Paola Magistroni, Andrea Ricci, Letizia Lombardini, Enrico Gringeri, Silvia Catalano, Marco Spada, Marco Sciveres, Angelo Di Giorgio, Giuseppe Limongelli, Marisa Varrenti, Gino Gerosa, Amedeo Terzi, Carlo Pace Napoleone, Antonio Amodeo, Luca Ragni, Luca Dello Strologo, Elisa Benetti, Iris Fontana, Sara Testa, Licia Peruzzi, Adele Mitrotti, Serena Abbate, Giorgia Comai, Eliana Gotti, Marco Schiavon, Massimo Boffini, Daniele De Angelis, Alessandro Bertani, Domenico Pinelli, Massimo Torre, Camilla Poggi, Silvia Deaglio, Massimo Cardillo, Antonio Amoroso, Enrico Gringeri, Silvia Catalano, Marco Spada, Marco Sciveres, Angelo Di Giorgio, Giuseppe Limongelli, Marisa Varrenti, Gino Gerosa, Amedeo Terzi, Carlo Pace Napoleone, Antonio Amodeo, Luca Ragni, Luca Dello Strologo, Elisa Benetti, Iris Fontana, Sara Testa, Licia Peruzzi, Adele Mitrotti, Abbate Serena, Comai Giorgia, Eliana Gotti, Marco Schiavon, Massimo Boffini, Daniele De Angelis, Alessandro Bertani, Domenico Pinelli, Massimo Torre, Camilla Poggi, Silvia Deaglio, Massimo Cardillo, Antonio Amoroso

Open Access Research

Growth patterns in children with spinal muscular atrophy

Ramona De Amicis, Giovanni Baranello, Andrea Foppiani, Alessandro Leone, Alberto Battezzati, Giorgio Bedogni, Simone Ravella, Ester Giaquinto, Chiara Mastella, Caterina Agosto, Enrico Bertini, Adele D’Amico, Marina Pedemonte, Claudio Bruno, Jonathan C. Wells, Mary Fewtrell, Simona Bertoli

Open Access Research

The de novo FAIRification process of a registry for vascular anomalies

Karlijn H. J. Groenen, Annika Jacobsen, Martijn G. Kersloot, Bruna dos Santos Vieira, Esther van Enckevort, Rajaram Kaliyaperumal, Derk L. Arts, Peter A. C. ‘t Hoen, Ronald Cornet, Marco Roos, Leo Schultze Kool

Open Access Research

Cannabinoid use and effects in patients with epidermolysis bullosa: an international cross-sectional survey study

Nicholas H. B. Schräder, Emily S. Gorell, Roy E. Stewart, José C. Duipmans, Nicole Harris, Victoria A. Perez, Jean Y. Tang, André P. Wolff, Marieke C. Bolling

Open Access COVID-19 Research

Characterization of epidemiological distribution and outcome of COVID-19 in patients with hereditary hemorrhagic telangiectasia: a nationwide retrospective multi-centre study during first wave in Italy

Patrizia Suppressa, Fabio Pagella, Gennaro Mariano Lenato, Eleonora Gaetani, Ilaria Serio, Maristella Salvatora Masala, Giuseppe Spinozzi, Roberta Lizzio, Elina Matti, Annalisa De Silvestri, Giulio Cesare Passali, Maria Aguglia, Claudia Crocione, Carlo Sabbà

Open Access COVID-19 Research

The effects of the COVID-19 pandemic on patients with lysosomal storage disorders in Israel

Eyal Kristal, Ben Pode-Shakked, Guy Hazan, Ehud Banne, Galina Ling, Odeya David, Eilon Shany, Annick Raas-Rothschild, Yair Anikster, Katya Kneller, Eli Hershkovitz, Yuval E. Landau, Ronen Spiegel, Yoav Zehavi, Orna Staretz-Chacham

Open Access Research

Methylphenidate for attention-deficit/hyperactivity disorder in patients with Smith–Magenis syndrome: protocol for a series of N-of-1 trials

A. R. Müller, J. R. Zinkstok, N. N. J. Rommelse, P. M. van de Ven, K. C. B. Roes, F. A. Wijburg, E. de Rooij-Askes, C. Linders, E. Boot, A. M. van Eeghen

Open Access Research

Long-term efficacy of lipoprotein apheresis and lomitapide in the treatment of homozygous familial hypercholesterolemia (HoFH): a cross-national retrospective survey

Laura D’Erasmo, Antonio Gallo, Angelo Baldassare Cefalù, Alessia Di Costanzo, Samir Saheb, Antonina Giammanco, Maurizio Averna, Alessio Buonaiuto, Gabriella Iannuzzo, Giuliana Fortunato, Arturo Puja, Tiziana Montalcini, Chiara Pavanello, Laura Calabresi, Giovanni Battista Vigna, Marco Bucci, Katia Bonomo, Fabio Nota, Tiziana Sampietro, Francesco Sbrana, Patrizia Suppressa, Carlo Sabbà, Fabio Fimiani, Arturo Cesaro, Paolo Calabrò, Silvia Palmisano, Sergio D’Addato, Livia Pisciotta, Stefano Bertolini, Randa Bittar, Olga Kalmykova, Sophie Béliard, Alain Carrié, Marcello Arca, Eric Bruckert

Open Access Research

Functional results after carpal tunnel release in mucopolysaccharidosis

Giana Silveira Giostri, Camila Deneka Arantes Souza, Alencar Kenji Nagai, Mara Lucia Schmitz Ferreira Santos, José Silvany Pacheco Sampaio Neto, Flavia David João de Masi Nassif

Open Access Research

Monogenic mutations in four cases of neonatal-onset watery diarrhea and a mutation review in East Asia

Weihui Yan, Yongtao Xiao, Yunyi Zhang, Yijing Tao, Yi Cao, Kunhui Liu, Wei Cai, Ying Wang

Open Access Research

Perceived mental health in parents of children with rare congenital surgical diseases: a double ABCX model considering gender

Johannes Boettcher, Holger Zapf, Mareike Fuerboeter, Rojin Nazarian, Konrad Reinshagen, Silke Wiegand-Grefe, Michael Boettcher

Open Access Research

Anxiety and depression in school-age patients with spinal muscular atrophy: a cross-sectional study

Mei Yao, Yu Xia, Yijie Feng, Ying Ma, Yi Hong, Yanyi Zhang, Jie Chen, Changzheng Yuan, Shanshan Mao

Open Access Research

PACS1-Neurodevelopmental disorder: clinical features and trial readiness

Abigail Van Nuland, Taruna Reddy, Farhad Quassem, Jean-Dominique Vassalli, Anne T. Berg

Open Access Research

A comparison of immediate release and delayed release cysteamine in 17 patients with nephropathic cystinosis

Christina van Stein, Sabrina Klank, Marianne Grüneberg, Chris Ottolenghi, Jürgen Grebe, Janine Reunert, Erik Harms, Thorsten Marquardt

Open Access Review

Cholbam® and Zellweger spectrum disorders: treatment implementation and management

Janaina Nogueira Anderson, Zineb Ammous, Yasemen Eroglu, Erick Hernandez, James Heubi, Ryan Himes, Sirish Palle

Open Access Research

Norm-based comparison of the quality-of-life impact of ravulizumab and eculizumab in paroxysmal nocturnal hemoglobinuria

Carolyn E. Schwartz, Roland B. Stark, Katrina Borowiec, Sandra Nolte, Karl-Johan Myren

Open Access Research

Utility of modified Rankin Scale for brain vascular malformations in hereditary hemorrhagic telangiectasia

K. P. Thompson, J. Nelson, H. Kim, S. M. Weinsheimer, D. A. Marchuk, M. T. Lawton, T. Krings, M. E. Faughnan, Murali Chakinala, Marianne S. Clancy, Marie E. Faughnan, James R. Gossage, Steven W. Hetts, Vivek Iyer, Raj S. Kasthuri, Helen Kim, Timo Krings, Michael T. Lawton, Doris Lin, Hans-Jurgen Mager, Douglas A. Marchuk, Justin P. McWilliams, Jamie McDonald, Ludmilla Pawlikowska, Jeffrey Pollak, Felix Ratjen, Karen Swanson, Dilini Vethanayagam, Shantel Weinsheimer, Andrew J. White, Pearce Wilcox

Open Access Research

Potential markers for sample size estimations in hereditary spastic paraplegia type 5

Qianqian Lin, Ying Liu, Zhixian Ye, Jianping Hu, Wenjie Cai, Qiang Weng, Wan-Jin Chen, Ning Wang, Dairong Cao, Yi Lin, Ying Fu

Open Access Research

Phenotype, genotype and long-term prognosis of 40 Chinese patients with isobutyryl-CoA dehydrogenase deficiency and a review of variant spectra in ACAD8

Junqi Feng, Chenxi Yang, Ling Zhu, Yuchen Zhang, Xiaoxu Zhao, Chi Chen, Qi-xing Chen, Qiang Shu, Pingping Jiang, Fan Tong

Open Access Research

Physical and mental growth and development in children with congenital hypothyroidism: a case–control study

Javad Nazari, Kimia Jafari, Maryam Chegini, Akram Maleki, Pari MirShafiei, Ali Alimohammadi, Yasan Kazemzadeh, Reihaneh Mikaeliyan, Saeed Amini

Open Access Position statement

Elosulfase alfa in the treatment of mucopolysaccharidosis type IVA: insights from the first managed access agreement

Bob Stevens, Tom Kenny, Sophie Thomas, Alexandra Morrison, James Jarrett, Mohit Jain

Open Access Research

Transient elastography in adult patients with cryptic dyskeratosis congenita reveals subclinical liver fibrosis: a retrospective analysis of the Aachen telomere biology disease registry

Mareike Tometten, Martin Kirschner, Susanne Isfort, Marie-Luise Berres, Tim H. Brümmendorf, Fabian Beier

Open Access Research

Clinical features of lupus enteritis: a single-center retrospective study

Long Chen, Qin He, Man Luo, Yuxiao Gou, Dan Jiang, Xiaoqin Zheng, Gaowu Yan, Fang He

Open Access Correction

Correction to: Ketogenic diet for mitochondrial disease: a systematic review on efficacy and safety

Heidi Zweers, Annemiek M. J. van Wegberg, Mirian C. H. Janssen, Saskia B. Wortmann

Open Access Research

Correlation of genotype and phenotype in 32 patients with hereditary hemochromatosis in China

Liyan Wu, Wei Zhang, Yanmeng Li, Donghu Zhou, Bei Zhang, Anjian Xu, Zhen Wu, Lina Wu, Shuxiang Li, Xiaoming Wang, Xinyan Zhao, Qianyi Wang, Min Li, Yu Wang, Hong You, Jian Huang, Xiaojuan Ou, Jidong Jia

Open Access Research

HAE patient self-sampling for biomarker establishment

Toni M. Förster, Markus Magerl, Marcus Maurer, Selen Zülbahar, Susanne Zielke, Neil Inhaber, Donatello Crocetta, Arndt Rolfs, Volha Skrahina

Open Access Research

Clinical outcomes of laminoplasty for patients with lysosomal storage disease including mucopolysaccharidosis and mucolipidoses: a retrospective cohort study

Hidetomi Terai, Koji Tamai, Masatoshi Hoshino, Hiromitsu Toyoda, Akinobu Suzuki, Shinji Takahashi, Yusuke Hori, Akito Yabu, Hiroaki Nakamura

Open Access Research

Identification and functional analysis of novel SLC25A19 variants causing thiamine metabolism dysfunction syndrome 4

Yuanying Chen, Boliang Fang, Xuyun Hu, Ruolan Guo, Jun Guo, Kenan Fang, Jingwen Ni, Wei Li, Suyun Qian, Chanjuan Hao

Open Access Research

Self-regulation in Barth syndrome: a qualitative perspective of adolescents, adults and parents in the U.K

Aidan Searle, Georgia Herbert, Lucy Dabner, Colin G. Steward, Michaela Damin, Guido Pieles

Open Access Research

Left ventricular myocardial deformation assessment in asymptomatic patients with recently diagnosed sarcoidosis of the respiratory tract and/or extrapulmonary sarcoidosis

Roman Panovský, Martina Doubková, Mary Luz Mojica-Pisciotti, Tomáš Holeček, Jan Máchal, Věra Feitová, Lucia Masárová, Lukáš Opatřil, Vladimír Kincl, Jana Víšková

Open Access Review

Physiotherapy for epidermolysis bullosa: clinical practice guidelines

Amy Weisman, Jennifer M. Chan, Chantal LaPointe, Kaye Sjoholm, Kristy Steinau, Kaycie Artus, Suci Widhiati, Rebecca Bodan, Michelle Wood, Julio C. Salas-Alanis, Anna Carolina Rocha, Beata Faitli, Phuong Khuu

Open Access Review

Collaborative model for diagnosis and treatment of very rare diseases: experience in Spain with thymidine kinase 2 deficiency

Cristina Domínguez-González, Marcos Madruga-Garrido, Michio Hirano, Itxaso Martí, Miguel A. Martín, Francina Munell, Andrés Nascimento, Montse Olivé, Joanne Quan, M. Dolores Sardina, Ramon Martí, Carmen Paradas

Open Access Review

Fondazione Telethon and Unione Italiana Lotta alla Distrofia Muscolare, a successful partnership for neuromuscular healthcare research of value for patients

Anna Ambrosini, Danila Baldessari, Silvia Pozzi, Manuela Battaglia, Elena Beltrami, Anna Maria Merico, Marco Rasconi, Lucia Monaco

Open Access Research

Demographic characteristics, clinical and laboratory features, and the distribution of pathogenic variants in the CFTR gene in the Cypriot cystic fibrosis (CF) population demonstrate the utility of a national CF patient registry

Panayiotis K. Yiallouros, Andreas Μ. Matthaiou, Pinelopi Anagnostopoulou, Panayiotis Kouis, Malgorzata Libik, Tonia Adamidi, Adonis Eleftheriou, Artemios Demetriou, Phivos Ioannou, George A. Tanteles, Constantina Costi, Pavlos Fanis, Milan Macek, Vassos Neocleous, Leonidas A. Phylactou

Open Access Research

Risk of autoimmune diseases in patients with RASopathies: systematic study of humoral and cellular immunity

M. A. Siano, V. Marchetti, S. Pagano, F. Di Candia, M. Alessio, D. De Brasi, A. De Luca, V. Pinna, S. Sestito, D. Concolino, M. Tartaglia, P. Strisciuglio, V. D’Esposito, S. Cabaro, G. Perruolo, P. Formisano, D. Melis

Open Access Position statement

Expert opinion on monitoring symptomatic hereditary transthyretin-mediated amyloidosis and assessment of disease progression

David Adams, Vincent Algalarrondo, Michael Polydefkis, Nitasha Sarswat, Michel S. Slama, Jose Nativi-Nicolau

Open Access Research

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

Clinical, imaging, biochemical and molecular features in Leigh syndrome: a study from the Italian network of mitochondrial diseases

Anna Ardissone, Claudio Bruno, Daria Diodato, Alice Donati, Daniele Ghezzi, Eleonora Lamantea, Costanza Lamperti, Michelangelo Mancuso, Diego Martinelli, Guido Primiano, Elena Procopio, Anna Rubegni, Filippo Santorelli, Maria Cristina Schiaffino, Serenella Servidei, Flavia Tubili, Enrico Bertini, Isabella Moroni

Open Access Research

Development of symptom-focused outcome measures for advanced and indolent systemic mastocytosis: the AdvSM-SAF and ISM-SAF©

Fiona Taylor, Cem Akin, Roger E. Lamoureux, Brad Padilla, Tanya Green, Anthony L. Boral, Iyar Mazar, Brenton Mar, Alan L. Shields, Frank Siebenhaar

Open Access Review

Confounding factors in the diagnosis and clinical course of rare congenital hemolytic anemias

Bruno Fattizzo, Juri Alessandro Giannotta, Nicola Cecchi, Wilma Barcellini

Open Access Research

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

Genetic spectrum and clinical characteristics of 3β-hydroxy-Δ5-C27-steroid oxidoreductase (HSD3B7) deficiency in China

Jing Zhao, Kenneth D. R. Setchell, Ying Gong, Yinghua Sun, Ping Zhang, James E. Heubi, Lingjuan Fang, Yi Lu, Xinbao Xie, Jingyu Gong, Jian-She Wang

Open Access Research

Prospective study of epigenetic alterations responsible for isolated hemihyperplasia/hemihypoplasia and their association with leg length discrepancy

Chang Ho Shin, Chaemoon Lim, Hwa Young Kim, Won Joon Yoo, Tae-Joon Cho, In Ho Choi, Jung Min Ko

Open Access Research

Nintedanib in idiopathic and secondary pleuroparenchymal fibroelastosis

Mouhamad Nasser, Salim Si-Mohamed, Ségolène Turquier, Julie Traclet, Kaïs Ahmad, François Philit, Philippe Bonniaud, Lara Chalabreysse, Françoise Thivolet-Béjui, Vincent Cottin

Open Access Research

Executive functions and quality of life in children with neurofibromatosis type 1

Arnaud Roy, Jean-Luc Roulin, Christèle Gras-Le Guen, Marie-Laure Corbat, Sébastien Barbarot

Open Access Research

Hypoparathyroidism and pseudohypoparathyroidism in pregnancy: an Italian retrospective observational study

Gemma Marcucci, Paola Altieri, Salvatore Benvenga, Marta Bondanelli, Valentina Camozzi, Filomena Cetani, Luisella Cianferotti, Mirko Duradoni, Caterina Fossi, Ettore degli Uberti, Fausto Famà, Giovanna Mantovani, Claudio Marcocci, Laura Masi, Uberto Pagotto, Andrea Palermo, Simone Parri, Rosaria Maddalena Ruggeri, Maria Chiara Zatelli, Maria Luisa Brandi

Open Access Research

Long-term effectiveness of carglumic acid in patients with propionic acidemia (PA) and methylmalonic acidemia (MMA): a randomized clinical trial

Majid Alfadhel, Marwan Nashabat, Mohammed Saleh, Mohammed Elamin, Ahmed Alfares, Ali Al Othaim, Muhammad Umair, Hind Ahmed, Faroug Ababneh, Fuad Al Mutairi, Wafaa Eyaid, Abdulrahman Alswaid, Lina Alohali, Eissa Faqeih, Mohammed Almannai, Majed Aljeraisy, Bayan Albdah, Mohamed A. Hussein, Zuhair Rahbeeni, Ali Alasmari

Open Access Research

Modifiable factors affecting renal preservation in type I glycogen storage disease after liver transplantation: a single-center propensity-match cohort study

Yi-Chia Chan, Kai-Min Liu, Chao-Long Chen, Aldwin D. Ong, Chih-Che Lin, Chee-Chien Yong, Pei-Chun Tsai, Liang-Suei Lu, Jer-Yuarn Wu

Open Access Research

Ketogenic diet as elective treatment in patients with drug-unresponsive hyperinsulinemic hypoglycemia caused by glucokinase mutations

Arianna Maiorana, Stefania Caviglia, Benedetta Greco, Paolo Alfieri, Francesca Cumbo, Carmen Campana, Silvia Maria Bernabei, Raffaella Cusmai, Antonella Mosca, Carlo Dionisi-Vici

Open Access Research

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

Clinical and ultrasound characteristics of virilizing ovarian tumors in pre- and postmenopausal patients: a single tertiary center experience

Mi Zou, Rong Chen, Yahong Wang, Yonglan He, Ying Wang, Yifan Dong, Jianchu Li

Open Access Research

The impact of demographic and clinical characteristics on the trajectories of health-related quality of life among patients with Fabry disease

Solrun Sigurdardottir, Birgitte Bjerkely, Trond G. Jenssen, Per Mathisen, Charlotte von der Lippe, Kristin Ørstavik, Ketil Heimdal, Dag Olav Dahle, Mina Susanne Weedon-Fekjær, Olga Solberg, Hege K. Pihlstrøm

Open Access Research

Qualitative interviews to improve patient-reported outcome measures in late-onset Pompe disease: the patient perspective

Alaa Hamed, Kristina An Haack, Chad Gwaltney, Eileen Baranowski, Andrew Stewart, Robert Krupnick, Margaret Tyler, Susan Sparks, Jean Paty

Open Access Research

The IDeaS initiative: pilot study to assess the impact of rare diseases on patients and healthcare systems

Ainslie Tisdale, Christine M. Cutillo, Ramaa Nathan, Pierantonio Russo, Bryan Laraway, Melissa Haendel, Douglas Nowak, Cindy Hasche, Chun-Hung Chan, Emily Griese, Hugh Dawkins, Oodaye Shukla, David A. Pearce, Joni L. Rutter, Anne R. Pariser

Open Access Review

Motor function in type 2 and 3 SMA patients treated with Nusinersen: a critical review and meta-analysis

Giorgia Coratti, Costanza Cutrona, Maria Carmela Pera, Francesca Bovis, Marta Ponzano, Fabrizia Chieppa, Laura Antonaci, Valeria Sansone, Richard Finkel, Marika Pane, Eugenio Mercuri

Open Access Research

In-depth phenotyping for clinical stratification of Gaucher disease

Simona D’Amore, Kathleen Page, Aimée Donald, Khadijeh Taiyari, Brian Tom, Patrick Deegan, Chong Y. Tan, Kenneth Poole, Simon A. Jones, Atul Mehta, Derralynn Hughes, Reena Sharma, Robin H. Lachmann, Anupam Chakrapani, Tarekegn Geberhiwot, Saikat Santra, Siddarth Banka, Timothy M. Cox, T. M. Cox, F. M. Platt, S. Banka, A. Chakrapani, P. B. Deegan, T. Geberhiwot, D. A. Hughes, S. Jones, R. H. Lachmann, S. Santra, R. Sharma, A. Vellodi

Open Access Research

Functional mobility in walking adult population with ataxia of Charlevoix-Saguenay

Isabelle Lessard, Raphaël St-Gelais, Luc J. Hébert, Isabelle Côté, Jean Mathieu, Bernard Brais, Cynthia Gagnon

Open Access Research

A double-blind, placebo-controlled, randomized trial of PXT3003 for the treatment of Charcot–Marie–Tooth type 1A

Shahram Attarian, Peter Young, Thomas H. Brannagan, David Adams, Philip Van Damme, Florian P. Thomas, Carlos Casanovas, Jafar Kafaie, Céline Tard, Maggie C. Walter, Yann Péréon, David Walk, Amro Stino, Marianne de Visser, Camiel Verhamme, Anthony Amato, Gregory Carter, Laurent Magy, Jeffrey M. Statland, Kevin Felice

Open Access Research

Psychometric evaluation of the Indolent Systemic Mastocytosis Symptom Assessment Form (ISM-SAF) in a phase 2 clinical study

Brad Padilla, Alan L. Shields, Fiona Taylor, Xiaoran Li, Jeffrey Mcdonald, Tanya Green, Anthony L. Boral, Hui-Min Lin, Cem Akin, Frank Siebenhaar, Brenton Mar

Open Access Research

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Antonella LoMauro, Carlo Vittorio Landoni, Paolo Fraschini, Franco Molteni, Andrea Aliverti, Simona Bertoli, Ramona De Amicis

Open Access Research

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Rosaria Talarico, Diana Marinello, Arianna Manzo, Sara Cannizzo, Ilaria Palla, Simone Ticciati, Andrea Gaglioti, Leopoldo Trieste, Lorenzo Pisa, Luciano Badalamenti, Girolamo Randisi, Alessandra Del Bianco, Valentina Lorenzoni, Giuseppe Turchetti, Marta Mosca

Open Access Research

The patient experience of Wilson disease: a conceptual model based on qualitative research

Stella Karantzoulis, Karli Heuer, Nicole Sparling, Megan Teynor

Open Access Research

Clinical and event-based outcomes of patients with mucopolysaccharidosis VI receiving enzyme replacement therapy in Turkey: a case series

Aslı İnci, İlyas Okur, Leyla Tümer, Gürsel Biberoğlu, Murat Öktem, Fatih Ezgü

Open Access Research

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Claudio Jommi, Elisabetta Listorti, Federico Villa, Simone Ghislandi, Armando Genazzani, Agnese Cangini, Francesco Trotta

Open Access Research

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Damiano Abeni, Roberta Rotunno, Andrea Diociaiuti, Simona Giancristoforo, Domenico Bonamonte, Carmelo Schepis, Iria Neri, Daniele Castiglia, Giovanna Zambruno, May El Hachem

Open Access Research

1H-NMR-based metabolic profiling identifies non-invasive diagnostic and predictive urinary fingerprints in 5q spinal muscular atrophy

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Open Access Research

Quality of life and phonatory and morphological outcomes in cognitively unimpaired adolescents with Pierre Robin sequence: a cross-sectional study of 72 patients

Béatrice Thouvenin, Véronique Soupre, Marie-Anne Caillaud, Charlotte Henry-Mestelan, Christel Chalouhi, Bachar Houssamo, Cécile Chapuis, Katia Lind, Aurélie Royer, Nancy Vegas, Jeanne Amiel, Gérard Couly, Arnaud Picard, Laurence Vaivre-Douret, Véronique Abadie

Open Access Research

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Open Access Research

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Jing-Fen Ye, Cheng-Cheng Hou, Hua-Fang Bao, Jian-Long Guan

Open Access Research

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Antonio Gónzalez-Meneses, Mercè Pineda, Anabela Bandeira, Patrícia Janeiro, María Ángeles Ruiz, Luisa Diogo, Ramón Cancho-Candela

Open Access Review

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Open Access Research

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Tuuli Mustonen, Ville Sivonen, Sari Atula, Sari Kiuru-Enari, Saku T. Sinkkonen

Open Access Review

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Open Access COVID-19 Research

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Lucie Isoline Pisella, Sara Fernandes, Guilhem Solé, Tanya Stojkovic, Céline Tard, Jean-Baptiste Chanson, Françoise Bouhour, Emmanuelle Salort-Campana, Guillemette Beaudonnet, Louise Debergé, Fanny Duval, Aude-Marie Grapperon, Marion Masingue, Aleksandra Nadaj-Pakleza, Yann Péréon, Frédérique Audic, Anthony Behin, Diane Friedman, Armelle Magot, Jean-Baptiste Noury, Sarah Souvannanorath, Karim Wahbi, Jean-Christophe Antoine, Kévin Bigaut, Jean-Philippe Camdessanché, Pascal Cintas, Rabab Debs, Caroline Espil-Taris, Laurent Kremer, Thierry Kuntzer, Pascal Laforêt, Vincent Laugel, Martial Mallaret, Maud Michaud, Sylvain Nollet, Juliette Svahn, Savine Vicart, Rocio Nur Villar-Quiles, Isabelle Desguerre, David Adams, Sandrine Segovia-Kueny, Géraldine Merret, Elhadi Hammouda, Annamaria Molon, Shahram Attarian

Open Access Correction

Correction to: Potential markers for sample size estimations in hereditary spastic paraplegia type 5

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Open Access Research

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Tobias Schmidt, Constantin Schmidt, Michael Amling, Jan Kramer, Florian Barvencik

Open Access Review

The role of estrogen deprivation therapy in premenopausal women with primary unresectable intracardiac leiomyomatosis: a systematic review and meta-analysis

Jinxiao Liang, Ruilin Lei, Mingwei Xie, Shaodan Lin, Jing Xu, Xiaoting Ling, Qingsheng Xie

Open Access Research

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Serge Amselem, Sonia Gueguen, Jérôme Weinbach, Annick Clement, Paul Landais

Open Access Research

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Valeria Calcaterra, Luigi Chiricosta, Emanuela Mazzon, Agnese Gugnandolo, Daniele Alberti, Luciano Maestri, Milena Meroni, Elettra Vestri, Elvira Verduci, Dario Dilillo, Gianvincenzo Zuccotti, Gloria Pelizzo

Open Access Research

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Sophie Cleanthous, Ann-Christin Mork, Antoine Regnault, Stefan Cano, Henry J. Kaminski, Thomas Morel

Open Access Research

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Open Access Correction

Correction to: Clinical features and treatment efficacy for IgG4-related thyroiditis

Xinxin Han, Panpan Zhang, Jieqiong Li, Zheng Liu, Hui Lu, Xuan Luo, Boju Pan, Xiaolan Lian, Xuejun Zeng, Wen Zhang, Xiaofeng Zeng

Open Access Research

A systematic literature review of frequency of vaso-occlusive crises in sickle cell disease

Ahmar U. Zaidi, Alexander K. Glaros, Soyon Lee, Taiji Wang, Rhea Bhojwani, Eric Morris, Breanne Donohue, Jincy Paulose, Şerban R. Iorga, Dave Nellesen

Open Access Research

Clinical and molecular spectrum of P/Q type calcium channel Cav2.1 in epileptic patients

Elham Alehabib, Zahra Esmaeilizadeh, Sakineh Ranji-Burachaloo, Abbas Tafakhori, Hossein Darvish, Abolfazl Movafagh

Open Access Research

Alterations in brain morphology by MRI in adults with neurofibromatosis 1

Su Wang, Victor-Felix Mautner, Ralph Buchert, Stephane Flibotte, Per Suppa, Jan M. Friedman, Manraj K. S. Heran

Open Access Research

Patients’ priorities and expectations on an EU registry for rare bone and mineral conditions

Muhammad Kassim Javaid, Marina Mordenti, Manila Boarini, Luca Sangiorgi, Ingunn Westerheim, Inês Alves, Rebecca Tvedt Skarberg, Natasha M. Appelman-Dijkstra, Corinna Grasemann

Open Access Research

Clinical features and health-related quality of life in adult patients with mucopolysaccharidosis IVA: the Spanish experience

Pilar Quijada-Fraile, Elena Arranz Canales, Elena Martín-Hernández, María Juliana Ballesta-Martínez, Encarna Guillén-Navarro, Guillem Pintos-Morell, Marc Moltó-Abad, David Moreno-Martínez, Salvador García Morillo, Javier Blasco-Alonso, María Luz Couce, Ricardo Gil Sánchez, Elisenda Cortès-Saladelafont, Mónica A. López Rodríguez, María Teresa García-Silva, Montserrat Morales Conejo

Open Access Research

GLRX5-associated [Fe-S] cluster biogenesis disorder: further characterisation of the neurological phenotype and long-term outcome

Bindu Parayil Sankaran, Sachin Gupta, Michel Tchan, Beena Devanapalli, Yusof Rahman, Peter Procopis, Kaustuv Bhattacharya

Open Access Research

Reduced risk of recurrent pneumothorax for sirolimus therapy after surgical pleural covering of entire lung in lymphangioleiomyomatosis

Teiko Sakurai, Toru Arai, Masaki Hirose, Kensuke Kojima, Tetsuki Sakamoto, Yoshinobu Matsuda, Chikatoshi Sugimoto, Hyung-Eun Yoon, Yoshikazu Inoue

Open Access Research

Hearing loss in Norwegian adults with achondroplasia

Svein O. Fredwall, Björn Åberg, Hanne Berdal, Ravi Savarirayan, Jorunn Solheim

Open Access Research

Age at diagnosis in patients with chronic congenital endocrine conditions: a regional cohort study from a reference center for rare diseases

Wafa Kallali, Claude Messiaen, Roumaisah Saïdi, Soucounda Lessim, Magali Viaud, Jerome Dulon, Mariana Nedelcu, Dinane Samara, Muriel Houang, Bruno Donadille, Carine Courtillot, GianPaolo de Filippo, Jean-Claude Carel, Sophie Christin-Maitre, Philippe Touraine, Irene Netchine, Michel Polak, Juliane Léger

Open Access Research

The Italian National Registry for FSHD: an enhanced data integration and an analytics framework towards Smart Health Care and Precision Medicine for a rare disease

Cinzia Bettio, Valentina Salsi, Mirko Orsini, Enrico Calanchi, Luca Magnotta, Luca Gagliardelli, June Kinoshita, Sonia Bergamaschi, Rossella Tupler

Open Access Research

Williams syndrome: on the role of intellectual abilities in anxiety

Charlotte Willfors, Deborah M. Riby, Marcus van der Poll, Katja Ekholm, Hanna Avdic Björlin, Johan Lundin Kleberg, Ann Nordgren

Open Access Research

Impact of low-dose calcipotriol ointment on wound healing, pruritus and pain in patients with dystrophic epidermolysis bullosa: A randomized, double-blind, placebo-controlled trial

Christina Guttmann-Gruber, Josefina Piñón Hofbauer, Birgit Tockner, Victoria Reichl, Alfred Klausegger, Peter Hofbauer, Martin Wolkersdorfer, Khek-Chian Tham, Seong Soo Lim, John E. Common, Anja Diem, Katharina Ude-Schoder, Wolfgang Hitzl, Florian Lagler, Julia Reichelt, Johann W. Bauer, Roland Lang, Martin Laimer

Open Access Research

An Integrated clinical pathway for diagnosis, treatment and care of rare diseases: model, operating procedures, and results of the project TRANSLATE-NAMSE funded by the German Federal Joint Committee

Daniela Choukair, Fabian Hauck, Markus Bettendorf, Heiko Krude, Christoph Klein, Tobias Bäumer, Reinhard Berner, Min Ae Lee-Kirsch, Corinna Grasemann, Peter Burgard, Georg F. Hoffmann

Open Access Research

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Reza Zamani, Akram Karimi-Shahanjarini, Leili Tapak, Babak Moeini

Open Access Position statement

Italian national consensus statement on management and pharmacological treatment of phenylketonuria

Alberto Burlina, Giacomo Biasucci, Maria Teresa Carbone, Chiara Cazzorla, Sabrina Paci, Francesca Pochiero, Marco Spada, Albina Tummolo, Juri Zuvadelli, Vincenzo Leuzzi

Open Access Research

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Carmen Rohde, Alena Gerlinde Thiele, Christoph Baerwald, Rudolf Georg Ascherl, Dinah Lier, Ulrike Och, Christina Heller, Alexandra Jung, Kathrin Schönherr, Monika Joerg-Streller, Simone Luttat, Sabine Matzgen, Tina Winkler, Stefanie Rosenbaum-Fabian, Oxana Joos, Skadi Beblo

Open Access Research

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Lucas R. Cusumano, Joseph A. Tesoriero, Craig B. Wilsen, James Sayre, Matthew Quirk, Justin P. McWilliams

Open Access Research

Extranodal natural killer/T-cell lymphoma of the breast: a retrospective clinicopathological analysis of a consecutive 11-year case series

Wei Liu, Zihang Chen, Fanglan Li, Wenyan Zhang, Weiping Liu, Sha Zhao

Open Access Research

Identification and treatment of primary cervical gestational trophoblastic neoplasia: a retrospective study of 13 patients and literature review

Xiaoyu Wang, Junjun Yang, Xirun Wan, Fengzhi Feng, Jun Zhao, Tong Ren, Yang Xiang

Open Access Research

NeoSeq: a new method of genomic sequencing for newborn screening

Huaiyan Wang, Yuqi Yang, Lingna Zhou, Yu Wang, Wei Long, Bin Yu

Open Access Research

International consensus on clinical severity scale use in evaluating Niemann–Pick disease Type C in paediatric and adult patients: results from a Delphi Study

William Evans, Marc Patterson, Frances Platt, Christina Guldberg, Toni Mathieson, Jessica Pacey, Elizabeth Berry-Kravis, Nicole Farhat, Jordi Gascon, Tarek Geberhiwot, Paul Gissen, Roberto Giugliani, Caroline Hastings, Bénédicte Héron, Jackie Imrie, Simon Jones, Robin Lachmann, Eugen Mengel, Marc Patterson, Mercedes Pineda, Denny Porter, Heiko Runz, Miriam Stampfer, Michael Strupp, Mark Walterfang

Open Access Research

Scientific evidence based rare disease research discovery with research funding data in knowledge graph

Qian Zhu, Ðắc-Trung Nguyễn, Timothy Sheils, Gioconda Alyea, Eric Sid, Yanji Xu, James Dickens, Ewy A. Mathé, Anne Pariser

Open Access Letter to the Editor

In vitro functional rescue by ivacaftor of an ABCB11 variant involved in PFIC2 and intrahepatic cholestasis of pregnancy

Elodie Mareux, Martine Lapalus, Amel Ben-Saad, Isabelle Callebaut, Thomas Falguières, Emmanuel Gonzales, Emmanuel Jacquemin

Open Access Research

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Yevgeniya Atiskova, Jan Wildner, Martin Stephan Spitzer, Charlotte Aries, Nicole Muschol, Simon Dulz

Open Access Research

Music therapy and Sanfilippo syndrome: an analysis of psychological and physiological variables of three case studies

P. Pérez-Núñez, E. Lázaro, I. Amayra, J. F. López-Paz, P. Caballero, O. Martínez, M. Pérez, S. Berrocoso, M. Al-Rashaida, M. García, A. A. Rodríguez, P. M. Luna

Open Access Research

Measuring Duchenne muscular dystrophy impact: development of a proxy-reported measure derived from PROMIS item banks

Carolyn E. Schwartz, Roland B. Stark, David Cella, Katrina Borowiec, Katherine L. Gooch, Ivana F. Audhya

Open Access Research

Optic pathway glioma and the sex association in neurofibromatosis type 1: a single-center study

Anne Munk Henning, Mette Møller Handrup, Sia Mariann Kjeldsen, Dorte Ancher Larsen, Cecilie Ejerskov

Open Access Research

Is the combination of bilateral pulmonary nodules and mosaic attenuation on chest CT specific for DIPNECH?

Bilal F. Samhouri, Chi Wan Koo, Eunhee S. Yi, Jay H. Ryu

Open Access Review

Clinics and genetic background of hereditary gingival fibromatosis

Karolina Strzelec, Agata Dziedzic, Katarzyna Łazarz-Bartyzel, Aleksander M. Grabiec, Ewa Gutmajster, Tomasz Kaczmarzyk, Paweł Plakwicz, Katarzyna Gawron

Open Access Research

Impacts and Burden of Niemann pick Type-C: a patient and caregiver perspective

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Open Access Research

Development and content validation of a symptom assessment for eosinophilic gastritis and eosinophilic gastroenteritis in adults and adolescents

Calvin N. Ho, Sean O’Quinn, Julie Bailey, Oren Meyers, Ashley F. Slagle, Evan S. Dellon, Catherine Datto

Open Access Research

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Yubi Lin, Jiana Huang, Zhiling Zhu, Zuoquan Zhang, Jianzhong Xian, Zhe Yang, Tingfeng Qin, Linxi Chen, Jingmin Huang, Yin Huang, Qiaoyun Wu, Zhenyu Hu, Xiufang Lin, Geyang Xu

Open Access Research

Rare pediatric diseases and pathways to psychosocial care: a qualitative interview study with professional experts working with affected families in Germany

Stefanie Witt, Kaja Kristensen, Silke Wiegand-Grefe, Johannes Boettcher, Janika Bloemeke, Christina Wingartz, Monika Bullinger, Julia Quitmann

Open Access COVID-19 Research

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Mareike Fuerboeter, Johannes Boettcher, Claus Barkmann, Holger Zapf, Rojin Nazarian, Silke Wiegand-Grefe, Konrad Reinshagen, Michael Boettcher

Open Access Research

RASopathies and hemostatic abnormalities: key role of platelet dysfunction

Francesca Di Candia, Valeria Marchetti, Ferdinando Cirillo, Alessandro Di Minno, Carmen Rosano, Stefano Pagano, Maria Anna Siano, Mariateresa Falco, Antonia Assunto, Giovanni Boccia, Gerardo Magliacane, Valentina Pinna, Alessandro De Luca, Marco Tartaglia, Giovanni Di Minno, Pietro Strisciuglio, Daniela Melis

Open Access Research

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Beth Leiro, Dawn Phillips, Melanie Duiker, Paul Harmatz, Sharon Charles

Open Access Research

Long-term safety and effectiveness of velaglucerase alfa in Gaucher disease: 6-year interim analysis of a post-marketing surveillance in Japan

Rieko Sagara, Masahide Ishigaki, Manami Otsuka, Kei Murayama, Hiroyuki Ida, Jovelle Fernandez

Open Access Research

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

Open Access Research

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Clarisse Billon, Salma Adham, Natalia Hernandez Poblete, Anne Legrand, Michael Frank, Laurent Chiche, Stephane Zuily, Karelle Benistan, Laurent Savale, Khaoula Zaafrane-Khachnaoui, Anne-Claire Brehin, Laurence Bal, Tiffany Busa, Mélanie Fradin, Chloé Quelin, Bertrand Chesneau, Denis Wahl, Patricia Fergelot, Cyril Goizet, Tristan Mirault, Xavier Jeunemaitre, Juliette Albuisson, Anne Dieux, Fabien Labombarda, Sylvain Rheims, Odile Boute, André Vincentelli, Annick Toutain, Sylvie Odent, Gaetan Lesca, Marie Vincent, Juliette Piard, Maud Favier, Philippe Derambure, Patrick Edery, Susanne Thummler, Marion Gérard, Fanny Morice-Picard, Valérie Layet, Cécile Laroche, Laurent Pasquier, Elisabeth Sarrazin, Thierry Billette de Villemeur, Lucie Guyant-Marechal

Open Access Correction

Correction to: Phenotype, genotype and long-term prognosis of 40 Chinese patients with isobutyryl-CoA dehydrogenase deficiency and a review of variant spectra in ACAD8

Junqi Feng, Chenxi Yang, Ling Zhu, Yuchen Zhang, Xiaoxu Zhao, Chi Chen, Qi-xing Chen, Qiang Shu, Pingping Jiang, Fan Tong

Open Access Correction

Correction to: Physical and mental growth and development in children with congenital hypothyroidism: a case–control study

Javad Nazari, Kimia Jafari, Maryam Chegini, Akram Maleki, Pari MirShafei, Ali Alimohammadi, Yasan Kazemzadeh, Reihaneh Mikaeliyan, Saeed Amini

Open Access Research

Sebelipase alfa enzyme replacement therapy in Wolman disease: a nationwide cohort with up to ten years of follow-up

Tanguy Demaret, Florence Lacaille, Camille Wicker, Jean-Baptiste Arnoux, Juliette Bouchereau, Claire Belloche, Cyril Gitiaux, David Grevent, Christine Broissand, Dalila Adjaoud, Marie-Thérèse Abi Warde, Dominique Plantaz, Soumeya Bekri, Pascale de Lonlay, Anaïs Brassier

Open Access Research

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Kailin Xia, Linjing Zhang, Gan Zhang, Yajun Wang, Tao Huang, Dongsheng Fan

Open Access Research

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Qian Shen, Jialu Liu, Jing Chen, Shuizheng Zhou, Yi Wang, Lifei Yu, Li Sun, Liuhui Wang, Bingbing Wu, Fang Liu, Yun Cao, Ying Huang, Jianshe Wang, Chenhao Yang, Daqian Zhu, Yangyang Ma, Zhengmin Xu, Wei Lu, Lili Fu, Wenhao Zhou, Hong Xu

Open Access Position statement

Clinical development innovation in rare diseases: lessons learned and best practices from the DevelopAKUre consortium

Mattias Rudebeck, Ciarán Scott, Nicholas P. Rhodes, Christa van Kan, Birgitta Olsson, Mohammed Al-sbou, Anthony K. Hall, Nicolas Sireau, Lakshminarayan R. Ranganath

Open Access Research

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Alexandre Guilhem, Pierre Portalès, Sophie Dupuis-Girod, Sophie Rivière, Thierry Vincent

Open Access Research

On the outside looking in: a phenomenological study of the lived experience of Australian adults with a disorder of the corpus callosum

Maree Maxfield, Monica S. Cooper, Anne Kavanagh, Alexandra Devine, Liz Gill Atkinson

Open Access Research

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Guoyan Zhu, Mingyao Luo, Qianlong Chen, Yinhui Zhang, Kun Zhao, Yujing Zhang, Chang Shu, Hang Yang, Zhou Zhou

Open Access Review

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Byron L. Lam, Bart P. Leroy, Graeme Black, Tuyen Ong, Dan Yoon, Karmen Trzupek

Open Access Research

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Jian Guo, Peng Liu, Limeng Chen, Haohan Lv, Jie Li, Weichao Yu, Kaifeng Xu, Yicheng Zhu, Zhihong Wu, Zhuang Tian, Ye Jin, Rachel Yang, Weihong Gu, Shuyang Zhang

Open Access Research

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Open Access Research

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Wei Guo, Zeyu Zhou, Yinhe Liang, Chuanhui Xu, Lin Zeng, Zhiyong Dong, Rong Mu

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Open Access Research

Gaucher disease: clinical phenotypes and refining GBA mutational spectrum in Thai patients

Tim Phetthong, Thipwimol Tim-Aroon, Arthaporn Khongkraparn, Saisuda Noojarern, Chulaluck Kuptanon, Khunton Wichajarn, Achara Sathienkijkanchai, Kanya Suphapeetiporn, Pimlak Charoenkwan, Adisak Tantiworawit, Naruwan Noentong, Duangrurdee Wattanasirichaigoon

Open Access Research

Mental health diagnoses in adults with phenylketonuria: a retrospective systematic audit in a large UK single centre

George Altman, Kamran Hussain, Diane Green, Boyd J. G. Strauss, Gisela Wilcox

Open Access Research

Growth in achondroplasia including stature, weight, weight-for-height and head circumference from CLARITY: achondroplasia natural history study—a multi-center retrospective cohort study of achondroplasia in the US

Julie E. Hoover-Fong, Kerry J. Schulze, Adekemi Y. Alade, Michael B. Bober, Ethan Gough, S. Shahrukh Hashmi, Jacqueline T. Hecht, Janet M. Legare, Mary Ellen Little, Peggy Modaff, Richard M. Pauli, David F. Rodriguez-Buritica, Maria E. Serna, Cory Smid, Chengxin Liu, John McGready

Open Access Letter to the Editor

Childhood rare diseases and the UN convention on the rights of the child

Lisa Matthews, Vaughan Chin, Marisa Taliangis, Amanda Samanek, Gareth Baynam