A Multi-center, Randomized, Double-blind, Double-dummy, Active Controlled, Two-period Cross-over Study to Assess the Efficacy, Safety and Tolerability of Indacaterol Maleate/Glycopyrronium Bromide Compared to Umeclidinium Bromide/Vilanterol in COPD Patients With Moderate to Severe Airflow Limitation.
A Multi-center, Randomized, Double-blind, Double-dummy, Active Controlled, Two-period Cross-over Study to Assess the Efficacy, Safety and Tolerability of Indacaterol Maleate/Glycopyrronium Bromide Compared to Umeclidinium Bromide/Vilanterol in COPD Patients With Moderate to Severe Airflow Limitation.
The purpose of this study is to demonstrate that the efficacy of the combination product QVA149 is similar to the efficacy of the combination product umeclidinium/vilanterol on a pre-specified endpoint of FEV1 AUC0-24h while maintaining an acceptable safety profile.
Inclusion Criteria:
Exclusion Criteria: