Dataset from A Phase II Randomised, Double-blind, Placebo-controlled, Incomplete Crossover Trial With 4-week Treatment Periods to Evaluate Efficacy and Safety of Tiotropium Inhalation Solution (Doses of 1.25 µg, 2.5 µg and 5 µg) Delivered Via Respimat® Inhaler Once Daily in the Evening in Adolescents (12 to 17 Yrs Old) With Moderate Persistent Asthma

The primary objective of this trial is to evaluate the efficacy and safety of tiotropium 1.25 mcg (2 actuations of 0.625 mcg), tiotropium 2.5 mcg (2 actuations of 1.25 mcg) and tiotropium 5 mcg (2 actuations of 2.5 mcg) once daily in the evening delivered by the Respimat inhaler in adolescents (12 to 17 yrs) with moderate persistent asthma, compared to placebo and on top of maintenance therapy with an inhaled corticosteroid controller medication. It is a randomised, double-blind, placebo-controlled Phase II trial with incomplete cross-over design. Patients need to be still symptomatic, i. e. not fully controlled with their maintenance treatment.