36
Participants
Start Date
October 31, 2006
Primary Completion Date
August 31, 2008
Study Completion Date
August 31, 2008
Tiotropium
Participants received once daily Spiriva capsules for oral inhalation: 18 mcg tiotropium powder, for use with HandiHaler device.
Placebo
Participants randomized to this arm received a once daily oral inhalation of placebo powder to match the standard active comparator dose, using the HandiHaler device.
Mayo Clinic, Rochester
Lead Sponsor
Collaborators (2)
Boehringer Ingelheim
INDUSTRY
Pfizer
INDUSTRY
Mayo Clinic
OTHER