ArticleJournal of neuromuscular diseases2026
Functional disease progression in children with inherited peripheral neuropathies: A prospective cohort study.
Article in Journal of neuromuscular diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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13 authors.
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Abstract
ObjectiveCharcot-Marie-Tooth disease (CMT) is the most common inherited peripheral neuropathy and usually manifests in the first two decades of life. However, prospective data on the natural course during childhood remain scarce.MethodsThis two-year, prospective, observational cohort study was conducted at two German pediatric neuromuscular centers. Annual standardized clinical assessments were performed. Sixty-eight pediatric patients with CMT (age range: 4-18 years; 35 females) were included. The primary outcome was the CMTPedS score, assessed at baseline and after a mean interval of 2.03 ± 0.23 years. Changes in the 11 individual CMTPedS subitems were also analyzed.ResultsThe mean baseline CMTPedS score for the total cohort (n=68) was 20.5 ± 8.8. Stratified by genotype, mean scores were: CMT1A (n=31), 16.5 ± 7.6; CMT1B (n=6), 21.5 ± 9.4; CMT2A (n=4), 35.8 ± 10.0; CMT4C (n=4), 27.0 ± 3.7; CMTX (n=4), 24.3 ± 10.1); others (n=13), 24.6 ± 7.7; genetically unsolved (n=6), 19.8 ± 8.6. Over a two-year observation period, the mean change in CMTPedS was 0.0 ± 2.7, indicating overall no significant progression.ConclusionIn this well-characterized cohort, overall disease course was non-progressive over two years-most notably in CMT1A, the most prevalent subtype. CMT2A and CMT1B showed numerically greater changes, yet none reached statistical significance. These results emphasize the slow-progressive nature of pediatric CMT and highlight the limitations of using short-term clinical progression as an outcome measure in therapeutic trials.
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