48
Participants
Start Date
April 1, 2025
Primary Completion Date
December 31, 2026
Study Completion Date
December 31, 2028
LABA+LAMA
1 dose per day (AM)
LABA+LAMA+ICS
1 dose per day (AM)
Filtered Air
Exposure to HEPA filtered air, as a control
Diesel Exhaust
Diesel exhaust standardized to 300µg/m³ of particulate matter with a diameter of 2.5 micrometers or less (PM2.5).
University of Calgary
OTHER
University of Ottawa
OTHER
University of Manitoba
OTHER
University of North Carolina, Chapel Hill
OTHER
University of British Columbia
OTHER