# Validation of Sleep Questionnaires in the Down Syndrome Population

> **NCT03771469** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Oregon Health and Science University** · enrollment: 81 (actual)

## Conditions studied

- Obstructive Sleep Apnea
- Down Syndrome

## Interventions

- **OTHER:** Sleep study

## Key facts

- **NCT ID:** NCT03771469
- **Lead sponsor:** Oregon Health and Science University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2018-06-25
- **Primary completion:** 2026-03-01
- **Final completion:** 2027-01-01
- **Target enrollment:** 81 (ACTUAL)
- **Last updated:** 2025-09-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03771469

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03771469, "Validation of Sleep Questionnaires in the Down Syndrome Population". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03771469. Licensed CC0.

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