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Any autosomal recessive centronuclear myopathy in which the cause of the disease is a mutation in the SPEG gene.
Features include always present findings: Centrally nucleated skeletal muscle fibers, Motor delay, High palate, and Muscle weakness; and common findings: Axial hypotonia, Narrow mouth, Bifid uvula, and Hip contracture and others. 20 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 8 | Axial hypotonia, Centrally nucleated skeletal muscle fibers, Hip contracture |
SPEG function has not been fully characterized.
Myopathy, centronuclear, 5 is caused by mutations in the SPEG gene on chromosome 2.
Genetic testing for SPEG is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 4 always present features, 13 common features.
No clinical trials have been registered for myopathy, centronuclear, 5.
31 publications have been identified in PubMed for myopathy, centronuclear, 5. Research spans Basic Science / Preclinical (45%), Case Report / Case Series (32%), and Review / Meta-Analysis (10%).
Research Type | Count | % of Total |
|---|---|---|
Laboratory research | 14 | 45% |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 5:34 AM UTC
Online Mendelian Inheritance in Man
Genetic and Rare Diseases Info Center
Head and neck |
2 |
Weakness of facial musculature, High palate |
Heart and blood vessels | 2 | Mitral regurgitation, Enlarged and weakened heart (dilated cardiomyopathy) |
Bones and joints | 1 | Centrally nucleated skeletal muscle fibers |
Lungs and breathing | 1 | Difficulty breathing (respiratory insufficiency) |
Lab test results | 1 | Abnormal circulating creatine kinase concentration |
10 |
32% |
Research summaries | 3 | 10% |
Disease patterns and progression | 3 | 10% |
Clinical study results | 1 | 3% |
Jeong SY (2026). [PMID: 41984033](https://pubmed.ncbi.nlm.nih.gov/41984033/). *Am J Physiol Cell Physiol*. [Basic Science / Preclinical]
Viradia K (2026). [PMID: 42191229](https://pubmed.ncbi.nlm.nih.gov/42191229/). *BMJ Case Rep*. [Case Report / Case Series]
Mathy CS (2026). [PMID: 41854206](https://pubmed.ncbi.nlm.nih.gov/41854206/). *Journal of cachexia, sarcopenia and muscle*. [Case Report / Case Series]
Abolibdeh B (2026). [PMID: 42201138](https://pubmed.ncbi.nlm.nih.gov/42201138/). *Muscles*. [Review / Meta-Analysis]
Zanotti S (2026). [PMID: 41851258](https://pubmed.ncbi.nlm.nih.gov/41851258/). *Eur J Hum Genet*. [Basic Science / Preclinical]
Michael E (2026). [PMID: 41159764](https://pubmed.ncbi.nlm.nih.gov/41159764/). *Annals of neurology*. [Basic Science / Preclinical]
Zhang Z (2025). [PMID: 41464097](https://pubmed.ncbi.nlm.nih.gov/41464097/). *Diagnostics (Basel, Switzerland)*. [Case Report / Case Series]
Laarne M (2025). [PMID: 40397026](https://pubmed.ncbi.nlm.nih.gov/40397026/). *Journal of neuromuscular diseases*. [Basic Science / Preclinical]
Oommen AT (2025). [PMID: 40512964](https://pubmed.ncbi.nlm.nih.gov/40512964/). *Journal of clinical neuromuscular disease*. [Case Report / Case Series]
Meyer AP (2025). [PMID: 40580826](https://pubmed.ncbi.nlm.nih.gov/40580826/). *Neuromuscular disorders : NMD*. [Basic Science / Preclinical]