This study tested whether a combination inhaler (Glycopyrrolate/Formoterol) helps people with COPD exercise longer compared to a placebo. 52 participants with stable COPD completed the trial. The main goal was to measure changes in exercise time on a stationary bike.
Phase: PHASE4 • Sponsor: William Stringer, md • Aim: Symptom relief
Last updated May 13, 2026 16:02 UTC