Efficacy and Safety of 3 Doses of Tiotropium Compared to Placebo in Adolescents (12 to 17 Yrs) With Moderate Asthma
Conditions
Interventions
- DRUG: Tiotropium bromide
- DRUG: tiotropium bromide
- DRUG: tiotropium bromide
- DRUG: Placebo
Sponsor
Boehringer Ingelheim
Collaborators