Impact of Tiotropium Add-on Therapy in Patients With Asthma

Condition:   Asthma Interventions:   Drug: Tiotropium Respimat®;   Drug: Inhaled Corticosteroid/Long-acting beta-agonist Sponsor:   Boehringer Ingelheim Active, not recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials