# Constitution of a Clinical, Neurophysiological and Biological Cohort for Chronic Sleep Disorders Responsible of Hypersomnolence

> **NCT03998020** · NA · RECRUITING · sponsor: **University Hospital, Montpellier** · enrollment: 5000 (estimated)

## Conditions studied

- Somnolence Disorder, Excessive

## Interventions

- **OTHER:** scale of severity
- **GENETIC:** blood sample

## Key facts

- **NCT ID:** NCT03998020
- **Lead sponsor:** University Hospital, Montpellier
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2020-06-16
- **Primary completion:** 2030-06-16
- **Final completion:** 2033-06-16
- **Target enrollment:** 5000 (ESTIMATED)
- **Last updated:** 2024-01-02

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03998020

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03998020, "Constitution of a Clinical, Neurophysiological and Biological Cohort for Chronic Sleep Disorders Responsible of Hypersomnolence". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03998020. Licensed CC0.

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