Scientists launch DNA bank to unlock secrets of rare heart and genetic conditions

NCT ID NCT02706639

Completed Knowledge-focused Sponsor: National Heart, Lung, and Blood Institute (NHLBI) Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study collected DNA, tissue, and medical history from 305 people with Williams syndrome or supravalvar aortic stenosis (SVAS), as well as their family members and healthy volunteers. The goal was to create a resource for future research to understand why symptoms vary so much from person to person. No treatments were tested; this was purely a sample and data collection effort.

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Conditions

The condition(s) this trial relates to.

Aortic Stenosis, Supravalvular cardiovascular disorder Rare Diseases supravalvular aortic stenosis Williams syndrome

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CARDIOVASCULAR DISEASE SUPRAVALVULAR AORTIC STENOSIS WILLIAMS SYNDROME

Contacts and locations

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Locations

National Institutes of Health Clinical Center

Bethesda, Maryland, 20892, United States
Nationwide Children's Hospital

Columbus, Ohio, 43205, United States
Washington University School of Medicine

St Louis, Missouri, 63110-1010, United States