# Sildenafil Effects on Pulmonary Haemodynamics and Gas Exchange in Chronic Obstructive Pulmonary Disease (COPD)

> **NCT00491803** · PHASE4 · COMPLETED · sponsor: **Hospital Clinic of Barcelona** · enrollment: 20 (estimated)

## Conditions studied

- Chronic Obstructive Pulmonary Disease
- Pulmonary Hypertension

## Interventions

- **DRUG:** Sildenafil
- **DRUG:** Sildenafil

## Key facts

- **NCT ID:** NCT00491803
- **Lead sponsor:** Hospital Clinic of Barcelona
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** 2008-11
- **Final completion:** 2009-02
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2009-11-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00491803

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00491803, "Sildenafil Effects on Pulmonary Haemodynamics and Gas Exchange in Chronic Obstructive Pulmonary Disease (COPD)". Retrieved via AI Analytics 2026-07-31 from https://api.ai-analytics.org/clinical/NCT00491803. Licensed CC0.

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