Comparison of Safety and Efficacy of the Combination Product QVA149A Against the Concurrent Administration of the Individual Components, QAB149 and NVA237, in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: QVA149
- DRUG: NVA237
- DRUG: QAB149
- DRUG: Placebo
Sponsor
Novartis Pharmaceuticals