Conditions: Chronic Obstructive Pulmonary Disease
Keywords: Indacaterol Tiotropium COPD
Allocation: RANDOMIZED | Intervention model: PARALLEL
Enrollment: 3439
Healthy volunteers: no

Brief summary:
This study compares indacaterol with tiotropium in terms of bronchodilation over 52 weeks

Detailed description:

Arms:
arm 1: Indacaterol 150 µg o.d. delivered via single-dose dry powder inhaler (SDDPI) arm 2: Tiotropium 18 µg o.d. delivered via the handihaler®

Interventions: intervention 1: Indacaterol 150 µg intervention 2: Tiotropium
Intervention descriptions: intervention 1: Indacaterol 150 µg o.d. delivered via SDDPI intervention 2: Tiotropium 18 µg o.d. delivered via handihaler®

Protocol document: