Overview Pharmacokinetic Study in Elderly Patients With Chronic Obstructive Bronchitis (COPD) Status: Completed Trial end date: 1969-12-31 Target enrollment: Participant gender: Summary Study to evaluate the pharmacokinetics of tiotropium following 14 days of administration (18µg once per day) in elderly COPD patients. Phase: Phase 3 Details Lead Sponsor: Boehringer IngelheimTreatments: Tiotropium Bromide