# Collection of Biological Samples From Patients With Rare Neurological Diseases

> **NCT04698421** · — · RECRUITING · sponsor: **University Hospital, Toulouse** · enrollment: 1000 (estimated)

## Conditions studied

- Nervous System Diseases

## Interventions

- **BIOLOGICAL:** Blood collection on admission and longitudinally

## Key facts

- **NCT ID:** NCT04698421
- **Lead sponsor:** University Hospital, Toulouse
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-10-12
- **Primary completion:** 2030-01-01
- **Final completion:** 2030-09-03
- **Target enrollment:** 1000 (ESTIMATED)
- **Last updated:** 2026-03-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04698421

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04698421, "Collection of Biological Samples From Patients With Rare Neurological Diseases". Retrieved via AI Analytics 2026-07-02 from https://api.ai-analytics.org/clinical/NCT04698421. Licensed CC0.

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