Overview Two-period 21 Day Cross-over Study to Compare the Pharmacokinetics of Tiotropium From Two Inhalers Status: Completed Trial end date: 2018-05-03 Target enrollment: Participant gender: Summary The purpose of this study is to compare the absorption of a test inhalation product with the reference product in healthy volunteers. Phase: Phase 1 Details Lead Sponsor: 3MCollaborator: Simbec ResearchTreatments: Tiotropium Bromide