# Angelman Syndrome (AS) Biomarker Study

> **NCT04103333** · EARLY_PHASE1 · COMPLETED · sponsor: **Biogen** · enrollment: 20 (actual)

## Conditions studied

- Angelman Syndrome
- Chromosome 15q Duplication (dup15q) Syndrome

## Interventions

- **PROCEDURE:** Lumbar Puncture
- **PROCEDURE:** Blood Collection

## Key facts

- **NCT ID:** NCT04103333
- **Lead sponsor:** Biogen
- **Sponsor class:** INDUSTRY
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-18
- **Primary completion:** 2022-01-02
- **Final completion:** 2022-01-02
- **Target enrollment:** 20 (ACTUAL)
- **Last updated:** 2022-01-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04103333

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04103333, "Angelman Syndrome (AS) Biomarker Study". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT04103333. Licensed CC0.

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