# Efficacy and Mechanism of NIV in Relieving Dyspnea After Exercise in Patients With Stable Severe COPD

> **NCT03568747** · NA · COMPLETED · sponsor: **Guangzhou Institute of Respiratory Disease** · enrollment: 12 (actual)

## Conditions studied

- Chronic Obstructive Pulmonary Disease
- Dyspnea

## Interventions

- **DEVICE:** noninvasive ventilation
- **DEVICE:** oxygen therapy

## Key facts

- **NCT ID:** NCT03568747
- **Lead sponsor:** Guangzhou Institute of Respiratory Disease
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-06-23
- **Primary completion:** 2019-02-03
- **Final completion:** 2019-04-30
- **Target enrollment:** 12 (ACTUAL)
- **Last updated:** 2019-07-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03568747

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03568747, "Efficacy and Mechanism of NIV in Relieving Dyspnea After Exercise in Patients With Stable Severe COPD". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT03568747. Licensed CC0.

---

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