Combination of Orally Inhaled BI1744CL/Tiotropium Bromide in Patients With Chronic Obstructive Pulmonary Disease ( COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: BI 1744 CL/tiotropium bromide fixed dose combination
- DRUG: tiotropium bromide
- DEVICE: Respimat® Inhaler
Sponsor
Boehringer Ingelheim