Stage 1 of the study is designed to provide data about the risk-benefit of 4 dose regimens of indacaterol (75, 150, 300 \& 600 µg o.d.) in order to select two doses to carry forward into study Stage 2. Study Stage 2 will provide pivotal confirmation of efficacy, safety, and tolerability of the selected indacaterol doses in patients with COPD
In the morning, Indacaterol once daily (o.d.) orally inhaled via a single dose dry powder inhaler (SDDPI).
Formoterol 12 µg twice daily (b.i.d.) in the morning and in the evening via an aerolizer.
Tiotropium 18 µg once daily (o.d.) dry powder capsules delivered via a SDDPI.
In the morning, Placebo to Indacaterol once daily (o.d.) orally inhaled via a single dose dry powder inhaler (SDDPI).
In the morning and in the evening, placebo to formoterol delivered via Aerolizer.
Buenos Aires, Argentina
Buenos Aires, Argentina
Capital Federal, Argentina
Santa Fe, Argentina