Treatment with 150 mg or 450 mg QAW039 or placebo once daily.

A 52-week, multicenter, randomized, double-blind, placebocontrolled study to assess the efficacy and safety of QAW039 when added to existing asthma therapy in patients with uncontrolled severe asthma

A 2-treatment period, randomized, placebo-controlled, multicenter parallel-group study to assess the safety of QAW039 when added to existing asthma therapy in GINA steps 3, 4 and 5 patients with uncontrolled asthma