Efficacy and Safety Study of QVA149 in COPD Patients
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: QVA149
- DRUG: Umeclidinium/vilanterol
- DRUG: Placebo (umeclidinium/vilanterol)
- DRUG: Placebo (QVA149)
Sponsor
Novartis Pharmaceuticals