Start Date
October 31, 2013
Primary Completion Date
December 31, 2017
Study Completion Date
May 31, 2018
Tadalafil
Tadalafil tablets, 20 mg to 40 mg per day x 48 weeks
Placebo
Placebo of tadalafil. Subjects will take one tablet once per day and will be titrated to two tablets once per day after one week. Subjects are on study drug for the duration of the trial.
Massachusetts General Hospital, Boston
Collaborators (1)
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Carelon Research
OTHER
Massachusetts General Hospital
OTHER