Neuromuscular DisordersPub Date : 2026-05-01Epub Date: 2026-03-02DOI: 10.1016/j.nmd.2026.106390
Dominic Spicer , Lucas Dejong , Abhi Kulkarni , Karin S. Kassahn , Roula Ghaoui
{"title":"Congenital skeletal muscle myopathy due to the recently described digenic inheritance of TTN and SRPK3 genetic variants: a case study","authors":"Dominic Spicer , Lucas Dejong , Abhi Kulkarni , Karin S. Kassahn , Roula Ghaoui","doi":"10.1016/j.nmd.2026.106390","DOIUrl":"10.1016/j.nmd.2026.106390","url":null,"abstract":"<div><div>The recently described skeletal myopathy from dual inheritance of <em>TTN</em> and <em>SRPK3</em> genetic variants has demonstrated digenic inheritance constitutes an under-recognised burden amongst inherited neuromuscular disorders. Neuromuscular specialist input is essential to guide appropriate genetic testing for these elusive diagnoses. Here we present the first case since the initial discovery of this condition, of an adult age diagnosis of <em>TTN/SRPK3</em> congenital myopathy. Our proband achieved an adult age diagnosis but had congenital symptoms previously diagnosed ‘minimal change myopathy’ from a childhood muscle biopsy. Their presentation was phenotypically consistent with the initial cohort. He exhibited congenital limb-girdle weakness/wasting, delayed motor developmental milestones, restrictive ventilatory deficit, Achilles tendon contractures and hyperCKaemia but no evidence of cardiomyopathy. Genetic diagnosis was achieved through research-based whole-genome sequencing and targeted <em>SRPK3</em> gene review, after finding a <em>TTN</em> variant. Knowledge of these specific variants and inheritance pattern enabled diagnosis, where standard panel testing had missed it.</div></div>","PeriodicalId":19135,"journal":{"name":"Neuromuscular Disorders","volume":"62 ","pages":"Article 106390"},"PeriodicalIF":2.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147369869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuromuscular DisordersPub Date : 2026-05-01Epub Date: 2026-01-23DOI: 10.1016/j.nmd.2026.106358
Nicol C. Voermans (Guest Editor)
{"title":"The importance of patient engagement in scientific research on facioscapulohumeral muscular dystrophy","authors":"Nicol C. Voermans (Guest Editor)","doi":"10.1016/j.nmd.2026.106358","DOIUrl":"10.1016/j.nmd.2026.106358","url":null,"abstract":"","PeriodicalId":19135,"journal":{"name":"Neuromuscular Disorders","volume":"62 ","pages":"Article 106358"},"PeriodicalIF":2.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147608846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuromuscular DisordersPub Date : 2026-05-01Epub Date: 2026-03-28DOI: 10.1016/j.nmd.2026.106412
Carla J. Jonker , Kelly Plueschke , Kieran C. Breen , Mencía de Lemus Belmonte , Laurent Servais , Patrice Verpillat , Alexandra Pacurariu
{"title":"Corrigendum to “Learnings from a registry-based cohort study for spinal muscular atrophy disease” [Neuromuscular Disorders, Volume 59, February 2026, 106332]","authors":"Carla J. Jonker , Kelly Plueschke , Kieran C. Breen , Mencía de Lemus Belmonte , Laurent Servais , Patrice Verpillat , Alexandra Pacurariu","doi":"10.1016/j.nmd.2026.106412","DOIUrl":"10.1016/j.nmd.2026.106412","url":null,"abstract":"","PeriodicalId":19135,"journal":{"name":"Neuromuscular Disorders","volume":"62 ","pages":"Article 106412"},"PeriodicalIF":2.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147574949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuromuscular DisordersPub Date : 2026-05-01Epub Date: 2025-10-24DOI: 10.1016/j.nmd.2025.106256
Craig M. Zaidman , Crystal Proud , Bing Liao , Nassim Rad , Doreen Ho , Mary-Lynn Chu , Shafeeq Ladha , Thomas O. Crawford , Shakti Nayar , Angela Genge , Margaret Frey , Chad Heatwole , Daphne Lew
{"title":"A prospective, multi-center, observational study of the safety, tolerability and effectiveness of Nusinersen in adult patients with spinal muscular atrophy","authors":"Craig M. Zaidman , Crystal Proud , Bing Liao , Nassim Rad , Doreen Ho , Mary-Lynn Chu , Shafeeq Ladha , Thomas O. Crawford , Shakti Nayar , Angela Genge , Margaret Frey , Chad Heatwole , Daphne Lew","doi":"10.1016/j.nmd.2025.106256","DOIUrl":"10.1016/j.nmd.2025.106256","url":null,"abstract":"<div><div>Nusinersen, an antisense oligonucleotide, modulates pre-mRNA splicing to produce full length survival motor neuron protein in spinal muscular atrophy (SMA). It was approved in the US for SMA in all ages based on evidence in children. In adults, studies of nusinersen rely on real-world observational data and show stability or small improvements over time. We performed a prospective, 30 month longitudinal, observational multi-center study of adults initiating nusinersen with SMA types II/III to examine its safety, tolerability, and effectiveness. 43 participants (20 female; 14 ambulatory; 3, 17, and 23 with 2, 3, and ≥4 <em>SMN2</em> copies, respectively), mean (SD) age 37.1 (11.9) years) enrolled and completed baseline assessments. Serial assessments over 30 months showed small but not significant improvements in the six minute walk test (16.1 m), Revised Upper Limb Module (0.7), Revised Hammersmith Scale (0.8), maximal inspiratory (-2.6 cm H20) and expiratory pressure (12.3 cm H20). Muscle strength and forced vital capacity did not change. The patient reported outcome Total SMA-HI improved (-11 (95% CI: -17,-5); <em>p</em> < 0.001)). No new safety effects were identified. This study of nusinersen in adults with SMA demonstrates stability over time in contrast to the expected decline in untreated patients, with a favorable safety profile.</div></div>","PeriodicalId":19135,"journal":{"name":"Neuromuscular Disorders","volume":"62 ","pages":"Article 106256"},"PeriodicalIF":2.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147434391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuromuscular DisordersPub Date : 2026-05-01Epub Date: 2026-03-09DOI: 10.1016/j.nmd.2026.106407
C. van Esch , A. Horemans , I. de Groot , A. Lanser , S. Bos , S.A. van den Berge , E. Sterrenburg , M. Maks , M. van Maurik , R. de Haas , T. Abma , B.G van Engelen , M.W. Alsem , S.L.S. Houwen-van Opstal , N.C. Voermans
{"title":"What is on the agenda? About the importance of a collaborative research agenda set by Dutch neuromuscular patients, their families and the neuromuscular field","authors":"C. van Esch , A. Horemans , I. de Groot , A. Lanser , S. Bos , S.A. van den Berge , E. Sterrenburg , M. Maks , M. van Maurik , R. de Haas , T. Abma , B.G van Engelen , M.W. Alsem , S.L.S. Houwen-van Opstal , N.C. Voermans","doi":"10.1016/j.nmd.2026.106407","DOIUrl":"10.1016/j.nmd.2026.106407","url":null,"abstract":"<div><div>Neuromuscular disorders (NMDs) represent a heterogeneous group of conditions with substantial effects on physical functioning, participation, and quality of life throughout the lifespan. Aligning research priorities with the needs of patients, clinicians, and society is essential to ensure relevance and impact. In the Netherlands, collaboration between patients, patient organizations, clinicians and basic researchers have played a pivotal role in shaping research agendas through structured engagement of adults with NMD, and children and parents. Nationwide surveys, filled in by patients, consistently identified the need for faster and less invasive diagnostics, effective symptomatic treatments, improved quality of life, and access to new therapies. Across age groups, fatigue, mobility limitations, pain, and social participation emerged as key challenges, while children specifically emphasized inclusion in school and sports. These patient-identified priorities have informed diagnosis-specific research agendas, guided national funding strategies, and stimulated targeted initiatives focusing on rehabilitation, lifestyle interventions, and participation in physical activity. By integrating patient perspectives into national research strategies, the Dutch collaborative model demonstrates that meaningful, patient-driven agenda-setting can accelerate scientific progress while ensuring outcomes of direct relevance to those affected, and illustrates how collaborative, field-wide approaches may serve as a valuable example for research agenda-setting for other patient organizations.</div></div>","PeriodicalId":19135,"journal":{"name":"Neuromuscular Disorders","volume":"62 ","pages":"Article 106407"},"PeriodicalIF":2.8,"publicationDate":"2026-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147797390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Neuromuscular DisordersPub Date : 2026-04-01Epub Date: 2026-02-05DOI: 10.1016/j.nmd.2026.106368
Lisa Edel , Georgia Stimpson , Vasileios Patelis , Elaine Chan , Mariacristina Scoto , Francesco Muntoni , Giovanni Baranello
{"title":"Longitudinal assessment of respiratory status utilising the amended Great Ormond Street Respiratory Score in treated spinal muscular atrophy type 1 children","authors":"Lisa Edel , Georgia Stimpson , Vasileios Patelis , Elaine Chan , Mariacristina Scoto , Francesco Muntoni , Giovanni Baranello","doi":"10.1016/j.nmd.2026.106368","DOIUrl":"10.1016/j.nmd.2026.106368","url":null,"abstract":"<div><div>Spinal muscular atrophy type 1 phenotypes have changed since the introduction of disease modifying therapies. The Great Ormond Respiratory Score has been used to assess respiratory function in children with spinal muscular atrophy. This paper presents an updated version of the score and aims to describe preliminary data reviewing the two-year changes of respiratory status in a cohort of spinal muscular atrophy type 1 patients treated with monotherapy or sequential disease modifying treatments. Patients were assessed using the amended Great Ormond Respiratory score at baseline, 6 months, 12 months and 24 months. 59 patients were reviewed. In total, 32 first initiated nusinersen therapy, 16 first initiated onasemnogene abeparvovec and 11 first initiated risdiplam therapy. There was a significant difference in baseline Great Ormond Respiratory Score between the nusinersen group and the onasemnogene abeparvovec group (<em>p</em> = 0.002). Risdiplam data is limited and is identified as preliminary. The data identifies treatment prior to 6 weeks of age stabilise at a lower score, with this being impacted by age of treatment. Those treated after one year show worse scores but stabilise. Despite the switching between disease modifying treatments, the Great Ormond Respiratory Score is a useful and easy-to-use clinical outcome measure which can demonstrate change in respiratory status over longitudinal review.</div></div>","PeriodicalId":19135,"journal":{"name":"Neuromuscular Disorders","volume":"61 ","pages":"Article 106368"},"PeriodicalIF":2.8,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146166114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}