# Quantification of Elastin Markers Synthesis in Williams-Beuren Syndrome and 7q11.23 Micro-duplication Syndrome

> **NCT04051086** · NA · UNKNOWN · sponsor: **Hospices Civils de Lyon** · enrollment: 90 (estimated)

## Conditions studied

- Williams-Beuren Syndrome
- Micro-duplication 7q11.23 Syndrome
- Vasculopathy

## Interventions

- **BIOLOGICAL:** Physical examination and Urine and blood samples
- **BIOLOGICAL:** Urine and blood samples

## Key facts

- **NCT ID:** NCT04051086
- **Lead sponsor:** Hospices Civils de Lyon
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-10
- **Primary completion:** 2021-10
- **Final completion:** 2021-10
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2019-08-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04051086

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04051086, "Quantification of Elastin Markers Synthesis in Williams-Beuren Syndrome and 7q11.23 Micro-duplication Syndrome". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04051086. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*