# Cohort Study of Adult Patients With Down Syndrome at Risk of Developing Alzheimer's Disease (TriAL21)

> **NCT03901261** · NA · UNKNOWN · sponsor: **Institut Jerome Lejeune** · enrollment: 200 (estimated)

## Conditions studied

- Down Syndrome
- Alzheimer Disease

## Interventions

- **PROCEDURE:** Neuro-imaging, Lumbar puncture

## Key facts

- **NCT ID:** NCT03901261
- **Lead sponsor:** Institut Jerome Lejeune
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-04-26
- **Primary completion:** 2023-03-31
- **Final completion:** 2023-03-31
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2023-02-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03901261

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03901261, "Cohort Study of Adult Patients With Down Syndrome at Risk of Developing Alzheimer's Disease (TriAL21)". Retrieved via AI Analytics 2026-09-03 from https://api.ai-analytics.org/clinical/NCT03901261. Licensed CC0.

---

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