# Effects of Pursed-lip Breathing on Exercise Tolerance and Dynamic Hyperinflation in COPD

> **NCT01173328** · NA · COMPLETED · sponsor: **Universidade Federal do Rio de Janeiro** · enrollment: 40 (actual)

## Conditions studied

- Chronic Obstructive Pulmonary Disease

## Interventions

- **BEHAVIORAL:** Pursed-lip breathing
- **BEHAVIORAL:** Normal Breathing

## Key facts

- **NCT ID:** NCT01173328
- **Lead sponsor:** Universidade Federal do Rio de Janeiro
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-03
- **Primary completion:** 2009-10
- **Final completion:** 2009-10
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2010-08-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01173328

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01173328, "Effects of Pursed-lip Breathing on Exercise Tolerance and Dynamic Hyperinflation in COPD". Retrieved via AI Analytics 2026-07-07 from https://api.ai-analytics.org/clinical/NCT01173328. Licensed CC0.

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