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A type of Ehlers-Danlos syndrome characterized by generalized joint hypermobility often complicated by dislocation of major joints, particularly the shoulder but in some cases the kneecap. Congenital hip dislocation has also been frequently reported. The syndrome has been described in several families. It is transmitted as an autosomal dominant trait, with high penetrance.
Estimated prevalence: Unknown (Unknown prevalence).
No clinical trials have been registered for joint laxity, familial.
9 publications have been identified in PubMed for joint laxity, familial. Research spans Epidemiology / Natural History (44%), Case Report / Case Series (22%), and Review / Meta-Analysis (11%).
Williams CM (2026). [PMID: 41990439](https://pubmed.ncbi.nlm.nih.gov/41990439/). *J Psychosom Res*. [Epidemiology / Natural History]
Tale E (2026). [PMID: 40530951](https://pubmed.ncbi.nlm.nih.gov/40530951/). *Journal of osteopathic medicine*. [Clinical Trial Publication]
Kampoureli CN (2026). [PMID: 39895195](https://pubmed.ncbi.nlm.nih.gov/39895195/). *The British journal of psychiatry : the journal of mental science*. [Basic Science / Preclinical]
Bruessel P (2026). [PMID: 41924132](https://pubmed.ncbi.nlm.nih.gov/41924132/). *Vasc Health Risk Manag*. [Review / Meta-Analysis]
Çevirici T (2026). [PMID: 42098330](https://pubmed.ncbi.nlm.nih.gov/42098330/). *Eur J Pediatr*. [Epidemiology / Natural History]
Data assembled from 4 of 12 sources · Last updated Sep 18, 2026, 8:40 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Fiengo E (2025). [PMID: 41156066](https://pubmed.ncbi.nlm.nih.gov/41156066/). *Journal of clinical medicine*. [Epidemiology / Natural History]
Jari M (2024). [PMID: 38693507](https://pubmed.ncbi.nlm.nih.gov/38693507/). *BMC musculoskeletal disorders*. [Epidemiology / Natural History]
Jeffery T (2024). [PMID: 34973894](https://pubmed.ncbi.nlm.nih.gov/34973894/). *J Voice*. [Case Report / Case Series]
Guedry SE (2024). [PMID: 38353245](https://pubmed.ncbi.nlm.nih.gov/38353245/). *Disability and rehabilitation*. [Case Report / Case Series]