15
Participants
Start Date
January 24, 2019
Primary Completion Date
April 1, 2020
Study Completion Date
April 1, 2020
Umeclidinium / Vilanterol Dry Powder Inhaler
umeclidinium/vilanterol dry powder inhaler
Placebo
Placebo inhaler
The University of Iowa Hospital and Clinics, Iowa City
Gary L. Pierce
OTHER