A Study to Assess Drug Absorption of Fixed Dose Combinations of Budesonide, Glycopyrronium, and Formoterol

The study will comprise: * Screening period: up to 28 days prior to first dosing; * Three treatment periods of maximum 3 days each: participants will be resident from the morning of the day before the first dosing with BGF MDI (Day -1) in Treatment Period 1, throughout all treatment and washout periods up to discharge on Day 2 of Treatment Period 3; * Follow-up: within 3 to 7 days after the last administration of BGF MDI. There will be a washout period of 3 to 7 days between each dose. Each participant will receive 3 single-dose treatments of BGF MDI (1 dose Propellant 1 \[Treatment A\]; 1 dose Propellant 2 \[Treatment B\] and 1 dose HFA \[Treatment C\]), following an overnight fast of at least 8 hours. Each participant will be involved in the study for up to 53 days.