COPD, chronic obstructive pulmonary disease
CRSwNP, chronic rhinosinusitis with nasal polyps
EGPA, eosinophilic granulomatosis with polyangiitis
FEV1, forced expiratory volume in 1 second
FF, fluticasone furoate
HES, hypereosinophilic syndrome
ICS, inhaled corticosteroid
IL, interleukin
LABA, long acting β-agonist
LAMA, long acting muscarinic antagonist
NIAID, National Institute of Allergy and Infectious Diseases
NIH, National Institute of Health
R/R, relapse-remitting or refractory
RWE, real-world evidence
SABA, short-acting β-agonist
UMEC, umeclidinium
VI, vilanterol