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AS Natural History Study Celebrates 20 Years!

For two decades, the Angelman Syndrome Natural History Study has been building data that drives discovery.

Thanks to the dedication of clinicians, researchers, coordinator, individuals with Angelman syndrome, and their families, the AS Natural History Study has become a beacon of progress.

ASF and FAST are proud to celebrate this milestone with the Natural History Study team and the community that made it happen. 

Read the full celebrations in the January 2026 AS Natural History News

If you are interested in participating in the AS Natural History, check out the study details on Clinicaltrials.gov

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This website contains information for a broad audience and may include information on current and upcoming programs that are not yet approved or accessible The information provided is for general informational purposes only and is not intended as medical advice, diagnosis, or treatment. While FAST strives to provide accurate and up-to-date information, the content on this site may not always reflect the most current research or clinical guidelines. The inclusion of clinical trial information, treatments or specific healthcare providers does not imply endorsement, recommendation or guarantee of safety, efficacy, or availability. Reliance on any information provided by this website is solely at your own risk. FAST disclaims any liability for any errors or omissions in the information provided or for any decisions made based on this information. For personalized medical advice or specific health concerns including participation in any clinical trial, please consult a qualified healthcare professional.