Dataset from A Multiple Dose Comparison of 18 µg, 36 µg of Ba679BR (Tiotropium) Inhalation Capsules and Oxitropium Metered Dose Inhaler (2 Puffs of 100µg) in a 4-week, Double-Blind, Double-Dummy, Safety and Efficacy Study in Patients With Chronic Obstructive Pulmonary Disease (COPD)

Study to investigate the efficacy and safety of Ba679BR powder inhalation during the continuous once/day administration to the patients with COPD using oxitropium bromide (Tersigan® aerosol) as the comparator drug.