24
Participants
Start Date
July 7, 2021
Primary Completion Date
December 1, 2026
Study Completion Date
December 1, 2026
Sildenafil Citrate
Sildenafil 20mg TID for 4 weeks
Placebo
Placebo (Lactose) TID for 4 weeks
RECRUITING
University of Texas Medical Branch, Galveston
ACTIVE_NOT_RECRUITING
Texas A&M University, College Station
The University of Texas Medical Branch, Galveston
OTHER