Oral Sildenafil for Exercise Capacity, Dyspnea and Cardiopulmonary Function in COPD

Condition:   Chronic Obstructive Pulmonary Disease Interventions:   Drug: Sildenafil Citrate;   Other: Placebo Sponsors:   University of Alberta;   Canadian Institutes of Health Research (CIHR) Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials