Chronic Obstructive Pulmonary Disease Clinical Trial
Official title:
Inhaled Iloprost, Dynamic Hyperinflation, and Oxidative Stress in COPD Patients
The purpose of this study is to investigate the role of the pulmonary vasculature in the development and progression of chronic obstructive pulmonary disease (COPD). To accomplish this, an inhaled prostacyclin (iloprost) will be given to patients with COPD and changes in oxidative stress and lung volumes during exercise will be measured.
Chronic obstructive pulmonary disease (COPD), the 3rd leading cause of death in the US, is a progressive disorder for which new treatments are urgently needed, as existing therapies are focused primarily on symptom relief. Oxidative stress, in part arising from inducible nitric oxide synthase (iNOS) released by the pulmonary vasculature, is critical for the development and progression of COPD; a treatment strategy focused on the pulmonary vasculature is hypothesized to be beneficial in COPD patients. This will be studied with the use of an inhaled prostacyclin analogue, iloprost, which has been approved for pulmonary hypertension and investigated in small studies of COPD patients. Potential mechanisms include reductions in dynamic hyperinflation during exercise in COPD patients or improvements in oxidative stress ;
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Basic Science
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