Condition: Asthma
Interventions: Drug: Placebo; Drug: Tiotropium 5 µg q.d.; Drug: Tiotropium 2.5 µg b.i.d.
Sponsors: Boehringer Ingelheim Pharmaceuticals; Pfizer
Recruiting – verified September 2010
View full post on ClinicalTrials.gov: “Asthma” | updated in the last 30 days