Fragile X syndrome
Synonyms: FRAXA syndrome | FXS | FraX syndrome | Martin-Bell syndrome
A rare genetic disease associated with mild to severe intellectual deficit that may be associated with behavioral disorders and characteristic physical features including a high forehead prominent and large ears hyperextensible finger joints flat feet with pronation and in adolescent and adult males macroorchidism.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version October 2023.
Newly diagnosed with
Fragile X syndrome?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
National Fragile X Foundation
To serve the entire Fragile X community to live their best lives by providing the knowledge, resources, and tools until, and even after, more effective treatments and a cure are achieved.
Genetic Support Network of Victoria
The Genetic Support Network of Victoria is an organisation that supports people living with genetic, undiagnosed and rare conditions and those who support them including community and families, patient support organisations, health professionals and industry. Our vision is our community flourishing and living their best lives.
TRND Network
The TRND Network is dedicated to supporting patients and their loved ones by providing advocacy and support, advancing research, and creating collaboration between researchers and patients.
TRND Network
The TRND Network is dedicated to supporting patients and their loved ones by providing advocacy and support, advancing research, and creating collaboration between researchers and patients.
Genetic Epilepsy Team Australia
Collaboration of research and care
MAST Genes Research Foundation
Connecting families and fueling research into microtubule-associated serine/threonine kinase (MAST) genetic mutations to improve the quality of life and develop therapies to support affected patients and families.
SCN2A Foundation
The SCN2A Foundation is a global initiative dedicated towards accelerating research and treatment for SCN2A. We plan to achieve this by building collaborative networks among the global research community, organizing resources, and strategically investing in highly focused research directed towards therapeutic development.
DDX3X Foundation
Our mission is to connect families, resources, and the medical community to advance research for a treatment or cure to DDX3X Syndrome. Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene therapy and pharmaceuticals.
Moonshots for Unicorns
Curing single-gene disorders
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Clinical Trials
For a list of clinical trials in this disease area, please click here.