Assessment of Switching From Salmeterol/Fluticasone to Indacaterol/Glycopyrronium in a symtomaticCOPD Patient Cohort
Conditions
Interventions
- DRUG: QVA149 110/50 micrograms
- DRUG: Salmeterol/fluticasone 50/500 microgrammes
Sponsor
Novartis Pharmaceuticals