4
Participants
Start Date
April 30, 2015
Primary Completion Date
June 30, 2017
Study Completion Date
June 30, 2018
Sildenafil
Sildenafil, a phosphodiesterase 5 inhibitor that enhances the effects of nitric oxide (NO), has been shown in experimental and clinical studies in cardiovascular disease to improve endothelial function and decrease vascular stenosis.
Placebo
Placebo will be over encapsulated to identical to drug comparison
University of Alabama at Birmingham, Birmingham
University of Alabama at Birmingham
OTHER