Overview Iloprost in Gas Exchange/Pulm Mechanics in Chronic Obstructive Pulmonary Disease (COPD) Status: Completed Trial end date: 2008-04-01 Target enrollment: Participant gender: Summary The investigators believe that iloprost will improve gas exchange in COPD patients with pulmonary hypertension. Phase: N/A Details Lead Sponsor: University of OklahomaTreatments: Iloprost