Natural history study of Angelman Syndrome
Official title: Angelman Syndrome Natural History Study
Run by Boston Children's Hospital · NCT04507997 · Data updated 2026-11-12
This study is trying to learn more about how Angelman Syndrome affects children and adults over time to help improve care and future treatments.
Quick facts
| Study type | Observational |
|---|---|
| Sex | All |
| Enrollment | 300 (estimated) |
| Sponsor | Boston Children's Hospital Academic / other |
| Locations | 11 sites (Los Angeles, California and 10 other locations) |
| Status | Recruiting |
| Started | August 1, 2018 |
| Main results expected | April 2031 |
| Study ends | April 2031 |
| Registry record updated | April 3, 2025 |
| Trial ID | NCT04507997 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are individuals with a confirmed molecular diagnosis of Angelman Syndrome.
✕Probably not a fit
Patients with another neurodevelopmental condition unrelated to Angelman Syndrome may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This observational study aims to gather comprehensive data on the long-term natural history of Angelman Syndrome in children and adults. By utilizing both investigator-observed and parent-reported outcome measures, the study seeks to establish Angelman-specific norms that can inform future clinical trials. The findings will enhance the understanding of the condition and ultimately improve care for individuals affected by Angelman Syndrome.
Why it matters
Potential benefit: If successful, this study could provide valuable insights that lead to improved treatment and care strategies for patients with Angelman Syndrome.
How similar studies have gone: Other studies focusing on the natural history of genetic disorders have shown success in improving understanding and treatment approaches, making this study a valuable addition to the field.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Molecular diagnosis of Angelman syndrome Exclusion Criteria: * Presence of another condition, unrelated to Angelman syndrome, that affects neurodevelopment
Where it's running
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Rady Children's Hospital, San Diego
San Diego, California, United States Recruiting -
Children's Hospital Colorado, Anschutz Medical Campus
Aurora, Colorado, United States Recruiting -
Emory University School of Medicine
Atlanta, Georgia, United States Recruiting -
Rush University Children's Hospital
Chicago, Illinois, United States Recruiting -
Boston Children's Hospital
Boston, Massachusetts, United States Recruiting -
The Carolina Institute for Developmental Disabilities
Carrboro, North Carolina, United States Recruiting
Show 5 more locations
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Monroe Carell Jr. Children's Hospital at Vanderbilt
Nashville, Tennessee, United States Recruiting -
Alberta Children's Hospital
Calgary, Alberta, Canada Recruiting -
BC Children's Hospital
Vancouver, British Columbia, Canada Recruiting -
Children's Hospital of Eastern Ontario
Ottawa, Ontario, Canada Recruiting -
Cedars-Sinai Guerin Children's
Los Angeles, California, United States Not yet recruiting
Study contacts
- Study coordinator: Wen-Hann Tan, BMBS
- Email: wen-hann.tan@childrens.harvard.edu
- Phone: 617-355 6394
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Obudanersen for Angelman Syndrome in UPD/ID patients
This study tests obudanersen in children and adults with Angelman syndrome caused by UPD or imprinting defects to see if it improves expressive communication.
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Rugonersen in Angelman Syndrome (phase 3)
This trial tests whether rugonersen given into the spine can help people with Angelman syndrome, compared with a sham procedure.
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Tracking changes in Angelman syndrome over 12 months
This study will see how developmental skills, behavior, sleep, and brain activity change over one year in children and adults with a genetically confirmed diagnosis of Angelman syndrome.
-
MVX-220 gene therapy for Angelman syndrome
This study will try a single dose of MVX-220 gene therapy injected into the cisterna magna for children and adults with Angelman syndrome caused by UBE3A deletion, uniparental disomy, or imprinting center defects.
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Using eye tracking to understand social perception in children with Angelman syndrome
This study is testing how children with Angelman syndrome see and understand social situations compared to healthy kids, using eye tracking technology to help find ways to measure their progress in future treatments.
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Understanding brain connectivity in drug-resistant epilepsy and neurodevelopmental syndromes
This study is testing how the brain connects in people with drug-resistant epilepsy and certain developmental disorders to see if it can help improve their treatment options.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.