Efficacy and Safety of 3 Doses of Tiotropium Compared to Placebo in Adolescents (12 to 17 Yrs) With Moderate Asthma

Condition:   Asthma
Interventions:   Drug: Tiotropium bromide;   Drug: tiotropium bromide;   Drug: tiotropium bromide;   Drug: Placebo
Sponsors:   Boehringer Ingelheim Pharmaceuticals;   Pfizer
Recruiting – verified September 2010

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