This study was designed to assess the efficacy and long-term safety of 300 and 600 µg doses of indacaterol when delivered via a single-dose dry-powder inhaler (SDDPI) in patients with chronic obstructive pulmonary disease (COPD). Patients were randomized to receive either indacaterol 300 µg once daily, indacaterol 600 µg once daily, formoterol 12 µg twice daily, or placebo.
Indacaterol was supplied in powder-filled capsules with a single-dose dry-powder inhaler (SDDPI).
Formoterol was supplied in powder-filled capsules with the manufacturer's proprietary inhalation device (Aerolizer®).
Placebo to indacaterol was supplied in powder-filled capsules with a single-dose dry-powder inhaler (SDDPI).
Placebo to formoterol was supplied in powder-filled capsules with the manufacturer's proprietary inhalation device (Aerolizer®).
Buenos Aires, Argentina
Buenos Aires, Argentina
Mendoza, Argentina
San Miguel, Argentina
Santa Fe, Argentina