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Autosomal recessive limb-girdle muscular dystrophy type 2D (LGMD2D) is a subtype of autosomal recessive limb-girdle muscular dystrophy characterized by childhood onset of progressive proximal weakness of the shoulder and pelvic girdle muscles, resulting in difficulty walking, scapular winging, calf hypertrophy and contractures of the Achilles tendon, which lead to a tiptoe gait pattern. Cardiac and respiratory involvement is rare.
Features include always present findings: Increased endomysial connective tissue, Enlarged calf muscles (calf muscle hypertrophy), Congestive heart failure, and Heart muscle disease (cardiomyopathy) and others; and common findings: Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration), Scapular winging, Gowers sign, and Proximal muscle weakness and others. 29 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 16 | Limb-girdle muscle atrophy, Flexion contracture, Gowers sign |
Arms and legs | 4 | Limb-girdle muscle atrophy, Limb-girdle muscular dystrophy, Limb-girdle muscle weakness |
Bones and joints | 3 | Sideways curvature of the spine (scoliosis), Excessive inward curvature of the lower spine (hyperlordosis), Thoracic scoliosis |
Heart and blood vessels | 3 | Congestive heart failure, Heart muscle disease (cardiomyopathy), Enlarged and weakened heart (dilated cardiomyopathy) |
Brain and nerves | 3 | Unsteady gait, Waddling gait, Tip-toe gait |
Lab test results | 1 | Elevated creatine kinase (muscle enzyme) (elevated circulating creatine kinase concentration) |
SGCA function has not been fully characterized.
Autosomal recessive limb-girdle muscular dystrophy type 2D is associated with mutations in the SGCA gene on chromosome 17.
Genetic testing for SGCA is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for autosomal recessive limb-girdle muscular dystrophy type 2D has been reported in the published literature.
Phenotype severity distribution: 10 always present features, 13 common features.
Estimated prevalence: Unknown (Unknown prevalence).
2 clinical trials registered, 1 recruiting. Interventions under study include other interventions. Research is sponsored by a mix of industry and academic institutions.
26 publications have been identified in PubMed for autosomal recessive limb-girdle muscular dystrophy type 2D. Research spans Epidemiology / Natural History (27%), Basic Science / Preclinical (23%), and Review / Meta-Analysis (12%).
Research Type | Count | % of Total |
|---|---|---|
Disease patterns and progression | 7 | 27% |
Laboratory research | 6 | 23% |
Research summaries | 3 | 12% |
Patient case studies | 3 | 12% |
Testing and diagnosis research | 2 | 8% |
Clinical study results | 2 | 8% |
New treatment approaches | 2 | 8% |
Other research | 1 | 4% |
Luce L (2026). [PMID: 41853897](https://pubmed.ncbi.nlm.nih.gov/41853897/). *Ann Clin Transl Neurol*. [Review / Meta-Analysis]
Fayssoil A (2026). [PMID: 41680282](https://pubmed.ncbi.nlm.nih.gov/41680282/). *Scientific reports*. [Epidemiology / Natural History]
Sezer A (2026). [PMID: 40785021](https://pubmed.ncbi.nlm.nih.gov/40785021/). *Clinical genetics*. [Basic Science / Preclinical]
Carrell EM (2026). [PMID: 41746209](https://pubmed.ncbi.nlm.nih.gov/41746209/). *Brain*. [Other]
Mouloudi N (2026). [PMID: 41954144](https://pubmed.ncbi.nlm.nih.gov/41954144/). *Acta Myol*. [Case Report / Case Series]
Benetollo A (2025). [PMID: 39864467](https://pubmed.ncbi.nlm.nih.gov/39864467/). *Biochemical pharmacology*. [Gene Therapy / Novel Therapeutics]
Ouazzani HEL (2025). [PMID: 39709673](https://pubmed.ncbi.nlm.nih.gov/39709673/). *International journal of surgery case reports*. [Clinical Trial Publication]
Costa-Comellas L (2025). [PMID: 41475892](https://pubmed.ncbi.nlm.nih.gov/41475892/). *Annals of clinical and translational neurology*. [Epidemiology / Natural History]
Shimazaki R (2025). [PMID: 39755676](https://pubmed.ncbi.nlm.nih.gov/39755676/). *Orphanet journal of rare diseases*. [Basic Science / Preclinical]
Gutiérrez-Rojas C (2025). [PMID: 40050938](https://pubmed.ncbi.nlm.nih.gov/40050938/). *Skeletal muscle*. [Epidemiology / Natural History]
Data assembled from 7 of 12 sources · Last updated Sep 19, 2026, 1:14 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center