This study will evaluate the dose response relationship among four doses of indacaterol as well as placebo delivered via the TWISTHALER® device.
Indacaterol delivered by multiple dose dry powder inhaler (TWISTHALER® device).
Formoterol delivered by oral inhalation via AEROLIZER® inhalation device.
Placebo TWISTHALER® device
Placebo AEROLIZER® device
100 μg / 90 μg salbutamol/albuterol Metered Dose Inhaler (MDI) or equivalent dose of Dry Powder Inhaler (DPI).
Buenos Aires, Argentina
Rosario, Argentina
Santillán, Argentina