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Autosomal recessive limb-girdle muscular dystrophy type 2O (LGMD2O) is a form of limb-girdle muscular dystrophy characterized by an onset in childhood or adolescence of rapidly progressive proximal limb muscle weakness (particularly affecting the neck, hip girdle, and shoulder abductors), hypertrophy in the calves and quadriceps, ankle contractures, and myopia.
Features include always present findings: Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration), Gowers sign, High myopia, and Increased endomysial connective tissue and others; and sometimes findings: Motor delay. 13 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 7 | Difficulty climbing stairs, Progressive muscle deterioration (muscular dystrophy), Gowers sign |
Bones and joints | 2 | Excessive inward curvature of the lower spine (hyperlordosis), Skeletal muscle hypertrophy |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
Brain and nerves | 1 | Fatigue |
Age of onset: adolescence.
POMGNT1 function has not been fully characterized.
Autosomal recessive limb-girdle muscular dystrophy type 2O is associated with mutations in the POMGNT1 gene on chromosome 1.
Genetic testing for POMGNT1 is available. Testing is considered confirmatory for diagnosis.
Phenotype severity distribution: 8 always present features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
2 clinical trials registered, 2 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
102 publications have been identified in PubMed for autosomal recessive limb-girdle muscular dystrophy type 2O. Kisho has analyzed 30 by research type. Research spans Review / Meta-Analysis (67%), Epidemiology / Natural History (23%), and Clinical Trial Publication (10%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 20 | 67% |
Disease patterns and progression | 7 | 23% |
Clinical study results | 3 | 10% |
Li S (2026). [PMID: 41379706](https://pubmed.ncbi.nlm.nih.gov/41379706/). *J Fam Psychol*. [Review / Meta-Analysis]
Campbell JI (2025). [PMID: 39509188](https://pubmed.ncbi.nlm.nih.gov/39509188/). *Curr Opin Pediatr*. [Review / Meta-Analysis]
Silverstein M (2025). [PMID: 39780401](https://pubmed.ncbi.nlm.nih.gov/39780401/). *Gerontologist*. [Review / Meta-Analysis]
Sun Y (2025). [PMID: 40645130](https://pubmed.ncbi.nlm.nih.gov/40645130/). *Midwifery*. [Review / Meta-Analysis]
Woodward LJ (2025). [PMID: 39491338](https://pubmed.ncbi.nlm.nih.gov/39491338/). *Acta Paediatr*. [Review / Meta-Analysis]
McMahon EL (2025). [PMID: 41206319](https://pubmed.ncbi.nlm.nih.gov/41206319/). *Curr Probl Pediatr Adolesc Health Care*. [Review / Meta-Analysis]
Taki S (2025). [PMID: 40785243](https://pubmed.ncbi.nlm.nih.gov/40785243/). *Int J Nurs Pract*. [Clinical Trial Publication]
Marshall KH (2025). [PMID: 39838237](https://pubmed.ncbi.nlm.nih.gov/39838237/). *Qual Life Res*. [Epidemiology / Natural History]
Flynn P (2025). [PMID: 40578827](https://pubmed.ncbi.nlm.nih.gov/40578827/). *Sleep*. [Review / Meta-Analysis]
Antunes LAA (2025). [PMID: 40946147](https://pubmed.ncbi.nlm.nih.gov/40946147/). *Pediatr Dent*. [Review / Meta-Analysis]
Data assembled from 7 of 12 sources · Last updated Sep 19, 2026, 12:36 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center