Differential Mechanisms of Dyspnea Relief in Advanced COPD: Opiates vs. Bronchodilators

Condition:   Chronic Obstructive Pulmonary Disease Interventions:   Drug: Fentanyl Citrate;   Drug: Combivent Sponsors:   Queen's University;   Ontario Lung Association Recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials