Placebo inhalation powder capsules
Sponsors
Boehringer Ingelheim
Conditions
Pulmonary Disease, Chronic Obstructive
Phase 3
Effect of Tiotropium on Airway Diameter in Patients With Chronic Obstructive Pulmonary Disease (COPD)
CompletedNCT02172391
Start: 2000-11-30Target: 81Updated: 2018-08-31
Efficacy and Safety of Tiotropium Compared to Salmeterol and Placebo in Patients With Chronic Obstructive Bronchitis (COPD)
CompletedNCT02173691
Start: 1999-02-28Updated: 2014-06-26