Comparing the Efficacy of Tiotropium + Olodaterol Fixed Dose Combination (FDC) Over Tiotropium in Improvement of Lung Hyperinflation, Exercise Capacity and Physical Activity in Japanese COPD Patients
Conditions
- Pulmonary Disease, Chronic Obstructive
Interventions
- DRUG: tiotropium
- DRUG: olodaterol
- DRUG: tiotropium
Sponsor
Boehringer Ingelheim