A 26-week Treatment Randomized, Double-blind, Double Dummy Study to Assess the Efficacy and Safety of QVA149
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: QVA149
- DRUG: Fluticasone/salmeterol
- DRUG: Placebo to QVA149
- DRUG: Placebo to fluticasone/salmeterol
Sponsor
Novartis Pharmaceuticals