This study assessed the efficacy and safety of indacaterol (150 µg once daily \[od\]) when combined with tiotropium (18 µg od) versus tiotropium (18 µg od) treatment alone in patients with chronic obstructive pulmonary disease (COPD)
Indacaterol was supplied in powder filled capsules together with a single dose dry powder inhaler (SDDPI) device.
Tiotropium was supplied in powder filled capsules together the manufacture's proprietary inhalation device (HandiHaler®).
Placebo to indacaterol was supplied in powder filled capsules together with a single dose dry powder inhaler (SDDPI) device.
Buenos Aires, Argentina
Corrientes, Argentina
Córdoba, Argentina
Mendoza, Argentina
Rosario, Argentina