Overview Effect of Tiotropium (Spiriva) on Exercise Tolerance in COPD Patients Status: Completed Trial end date: 1969-12-31 Target enrollment: 0 Participant gender: All Summary To investigate whether tiotropium (Spiriva) improves exercise endurance in patients with COPD Phase: Phase 3Accepts Healthy Volunteers? No Details Lead Sponsor: Boehringer IngelheimTreatments: BromidesTiotropium Bromide