A Double Blind, Multicentre, Randomised Three-Period, Three-Treatment, Cross-Over Study To Evaluate The Effect of BGF MDI, BFF MDI and Placebo MDI on Exercise Parameters In Participants with Chronic Obstructive Pulmonary Disease (ATHLOS)

To assess the effect of Budesonide, Glycopyrronium, and Formoterol Fumarate (BGF) metered dose inhaler (MDI) relative to Placebo metered dose inhaler (MDI) and Budesonide and Formoterol Fumarate (BFF) metered dose inhaler (MDI) on dynamic hyperinflation in participants with Chronic obstructive pulmonary disease (COPD).