# Williams Syndrome (WS) and Supravalvar Aortic Stenosis (SVAS) DNA and Tissue Bank

> **NCT02706639** · — · COMPLETED · sponsor: **National Heart, Lung, and Blood Institute (NHLBI)** · enrollment: 305 (actual)

## Conditions studied

- Williams Syndrome
- Supravalvular Aortic Stenosis
- Cardiovascular Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT02706639
- **Lead sponsor:** National Heart, Lung, and Blood Institute (NHLBI)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-05-11
- **Primary completion:** 2025-03-07
- **Final completion:** 2025-03-07
- **Target enrollment:** 305 (ACTUAL)
- **Last updated:** 2026-05-01


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02706639

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02706639, "Williams Syndrome (WS) and Supravalvar Aortic Stenosis (SVAS) DNA and Tissue Bank". Retrieved via AI Analytics 2026-09-09 from https://api.ai-analytics.org/clinical/NCT02706639. Licensed CC0.

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