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Any congenital myasthenic syndrome in which the cause of the disease is a mutation in the RAPSN gene.
Features include always present findings: EMG: decremental response of compound muscle action potential to repetitive nerve stimulation, Easy fatigability, Ptosis, and Weak cry; and common findings: Gowers sign, High palate, Poor suck, and Tube feeding and others. 23 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Muscles | 7 | Low muscle tone (hypotonia), Gowers sign, EMG: decremental response of compound muscle action potential to repetitive nerve stimulation |
Lungs and breathing | 3 | Respiratory tract infection, Difficulty breathing (respiratory insufficiency), Neonatal respiratory distress |
Pregnancy and birth | 3 | Decreased fetal movement, Neonatal hypotonia, Neonatal respiratory distress |
Head and neck | 2 | High palate, Long face |
Growth and development | 1 | Failure to thrive |
Digestive system | 1 | Feeding difficulties |
Brain and nerves | 1 | Fatigue |
Lab test results | 1 | Anti-neuromuscular Junction acetylcholine receptor antibody positivity |
Eyes | 1 | Ptosis |
Age of onset: newborn period.
RAPSN function has not been fully characterized.
Congenital myasthenic syndrome 11 is associated with mutations in the RAPSN gene on chromosome 11.
Genetic testing for RAPSN is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for congenital myasthenic syndrome 11 has been reported in the published literature.
Phenotype severity distribution: 4 always present features, 7 common features.
No clinical trials have been registered for congenital myasthenic syndrome 11.
127 publications have been identified in PubMed for congenital myasthenic syndrome 11. Kisho has analyzed 68 by research type. Research spans Basic Science / Preclinical (35%), Review / Meta-Analysis (21%), and Epidemiology / Natural History (12%).
Research Type | Count | % of Total |
|---|---|---|
Laboratory research | 24 | 35% |
Research summaries | 14 | 21% |
Disease patterns and progression | 8 | 12% |
Testing and diagnosis research | 7 | 10% |
Patient case studies | 6 | 9% |
Clinical study results | 5 | 7% |
Other research | 3 | 4% |
New treatment approaches | 1 | 1% |
Zhang K (2026). [PMID: 41176539](https://pubmed.ncbi.nlm.nih.gov/41176539/). *Acta Pharmacol Sin*. [Basic Science / Preclinical]
Ge X (2026). [PMID: 40841706](https://pubmed.ncbi.nlm.nih.gov/40841706/). *Acta Pharmacol Sin*. [Basic Science / Preclinical]
Ho K (2026). [PMID: 42146855](https://pubmed.ncbi.nlm.nih.gov/42146855/). *Brain Commun*. [Gene Therapy / Novel Therapeutics]
Mercurio M (2026). [PMID: 41562109](https://pubmed.ncbi.nlm.nih.gov/41562109/). *JSES Int*. [Other]
Ramdas S (2026). [PMID: 41630153](https://pubmed.ncbi.nlm.nih.gov/41630153/). *Brain*. [Review / Meta-Analysis]
Christensen EW (2026). [PMID: 41031940](https://pubmed.ncbi.nlm.nih.gov/41031940/). *AJR Am J Roentgenol*. [Epidemiology / Natural History]
Bulut N (2026). [PMID: 42090667](https://pubmed.ncbi.nlm.nih.gov/42090667/). *Rev Assoc Med Bras (1992)*. [Clinical Trial Publication]
Akçay AA (2026). [PMID: 41451794](https://pubmed.ncbi.nlm.nih.gov/41451794/). *Clin Genet*. [Basic Science / Preclinical]
Boonyasiri A (2025). [PMID: 40449589](https://pubmed.ncbi.nlm.nih.gov/40449589/). *Clin Microbiol Infect*. [Basic Science / Preclinical]
Kulsirichawaroj P (2025). [PMID: 40494860](https://pubmed.ncbi.nlm.nih.gov/40494860/). *Pediatr Res*. [Diagnostic / Biomarker]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 8:43 AM UTC
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