623
Participants
Start Date
February 28, 1999
Primary Completion Date
May 31, 2000
Tiotropium (Ba679 BR)
One capsule once daily by oral inhalation
Salmeterol
Inhalation aerosol twice daily
Placebo (for Tiotropium )
Placebo for Tiotropium delivered by inhalation capsule
Placebo (for Salmeterol)
Placebo for Salmeterol delivered by inhalation aerosol
Lead Sponsor
Boehringer Ingelheim
INDUSTRY