A Study of the Safety and Efficacy of 4 Doses of BI 1744 CL Delivered Via the Respimat in Patients With Asthma.
Conditions
Interventions
- DRUG: Placebo
- DRUG: Olodaterol (BI 1744) high
- DRUG: Olodaterol (BI 1744) medium
- DRUG: Olodaterol (BI 1744) very low
- DRUG: Formoterol 12 mcg
- DRUG: Olodaterol (BI 1744) low
Sponsor
Boehringer Ingelheim