Meet some of the delightful children who inspire our work!

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Fragile X is the most common known cause of autism. Learn more ...

Treatment Trials

Clinical trials are accepting participants
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What is Fragile X?

Fragile X Syndrome is the most common inherited cause of intellectual disabilities and the most common known cause of autism. Signs include learning problems, autism, and anxiety.


FRAXA is a 501c3 nonprofit founded and led by parents. Our mission: to find effective treatments and ultimately a cure for Fragile X. FRAXA has funded over 100 teams worldwide.

Toward a Cure

Clinical trials of new treatments are happening now! People with Fragile X Syndrome have options, with clinical trials enrolling and new ones coming soon.

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FRAXA Scientific Advisors

Mark Bear, PhDThere is no greater thrill than the realization that one’s basic research might, in the foreseeable future, provide new therapies — and possibly a cure — for Fragile X.

Dr. Mark Bear, Picower Professor of Neuroscience at MIT

watsonStudies of fragile X have been galvanized by those most directly affected… experience shows that dedicated, resourceful, and, above all, motivated organizations like FRAXA sometimes do hold the key to cracking these diseases.

Dr. James Watson, Nobel Laureate, Discoverer of DNA Double Helix