Multiple Dose Comparison of Tiotropium Inhalation Capsules, Salmeterol Inhalation Aerosol and Placebo in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: Tiotropium (Ba679 BR)
- DRUG: Salmeterol
- DRUG: Placebo (for Tiotropium )
- DRUG: Placebo (for Salmeterol)
Sponsor
Boehringer Ingelheim