Efficacy and Safety of Ba679BR Powder Inhalation in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Tiotropium low
- DRUG: Tiotropium high
- DRUG: Placebo MDI
- DRUG: Placebo inhalation capsule
- DRUG: Oxitropium
Sponsor
Boehringer Ingelheim