# Unrecognised Obstructive Sleep Apnea Study

> **NCT01494181** · — · COMPLETED · sponsor: **University Health Network, Toronto** · enrollment: 1200 (actual)

## Conditions studied

- Obstructive Sleep Apnea

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01494181
- **Lead sponsor:** University Health Network, Toronto
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2011-07
- **Primary completion:** 2018-01
- **Final completion:** 2018-01
- **Target enrollment:** 1200 (ACTUAL)
- **Last updated:** 2018-01-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01494181

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01494181, "Unrecognised Obstructive Sleep Apnea Study". Retrieved via AI Analytics 2026-06-14 from https://api.ai-analytics.org/clinical/NCT01494181. Licensed CC0.

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