Overview The Effects of Tiotropium on the Cough Reflex in Patients With Chronic Obstructive Pulmonary Disease (COPD) Status: Completed Trial end date: 2012-06-01 Target enrollment: Participant gender: Summary Does tiotropium effect the cough reflex in patients with COPD and chronic bronchitis. Phase: Early Phase 1 Details Lead Sponsor: ThomasTruncaleCollaborator: Boehringer IngelheimTreatments: CapsaicinTiotropium Bromide