# The Cardiovascular Consequences of Sleep Apnea Plus COPD (Overlap Syndrome)

> **NCT05237505** · PHASE2 · RECRUITING · sponsor: **University of California, San Diego** · enrollment: 240 (estimated)

## Conditions studied

- Obstructive Sleep Apnea
- Chronic Obstructive Pulmonary Disease
- Overlap Syndrome

## Interventions

- **DEVICE:** bi-level positive pressure non invasive ventilation
- **DRUG:** Oxygen gas

## Key facts

- **NCT ID:** NCT05237505
- **Lead sponsor:** University of California, San Diego
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2024-02-13
- **Primary completion:** 2028-08-31
- **Final completion:** 2028-08-31
- **Target enrollment:** 240 (ESTIMATED)
- **Last updated:** 2025-12-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05237505

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05237505, "The Cardiovascular Consequences of Sleep Apnea Plus COPD (Overlap Syndrome)". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05237505. Licensed CC0.

---

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