Abbreviation	Definition
BDP/FF/GB	Beclometasone dipropionate/formoterol fumarate/glycopyrronium bromide
BEC	Blood eosinophil count
BUD/GLY/FOR	Budesonide/glycopyrronium/formoterol fumarate
COPD	Chronic obstructive pulmonary disease
FEV1	Forced expiratory volume in one second
FF/UMEC/VI	Fluticasone furoate/umeclidinium/vilanterol
GOLD	Global Initiative for Chronic Obstructive Lung Disease
ICS	Inhaled corticosteroid
LABA	Long-acting β2-agonist
LAMA	Long-acting muscarinic antagonist
MACE	Major adverse cardiovascular event
MITT	Multiple-inhaler triple therapy
RCT	Randomized controlled trial
SITT	Single-inhaler triple therapy
TTE	Target trial emulation