# The SAD Study - SLEEP, ANXIETY & DEPRESSION Study A Prospective Cohort Study

> **NCT01985347** · NA · UNKNOWN · sponsor: **The Queen Elizabeth Hospital** · enrollment: 500 (estimated)

## Conditions studied

- Patients With Anxiety and Depression, Who Have
- Obstructive Sleep Apnoea
- COPD

## Interventions

- **DEVICE:** CPAP

## Key facts

- **NCT ID:** NCT01985347
- **Lead sponsor:** The Queen Elizabeth Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2013-11
- **Primary completion:** 2014-12
- **Final completion:** 2015-03
- **Target enrollment:** 500 (ESTIMATED)
- **Last updated:** 2013-11-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01985347

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01985347, "The SAD Study - SLEEP, ANXIETY & DEPRESSION Study A Prospective Cohort Study". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01985347. Licensed CC0.

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