Pharmacodynamics, Safety, Tolerability, and Pharmacokinetics of Two Orally Inhaled Indacaterol Salts in Adult Subjects With Asthma.

This is a randomized, double-blind, placebo-controlled, three-period cross-over study in asthma patients. The study will consist of a screening epoch, followed by a treatment epoch which consists of three treatment periods, and will conclude with an end of study epoch. Each subject will be assigned to 1 of 6 treatment sequences and will sequentially receive the investigational products and placebo during the trial.