32
Participants
Start Date
October 15, 2019
Primary Completion Date
February 26, 2021
Study Completion Date
March 15, 2021
withdrawal of oral medication (phosphodiesterase-5 inhibitor) in pretreated patients
discontinuation of the oral medication with a phosphodiesterase-5 inhibitor
University Hospital Essen, Essen
University Hospital, Essen
OTHER