ICS-formoterol reliever versus ICS and short-acting β2-agonist reliever in asthma: a systematic review and meta-analysis.
Lee HatterPepa BruceIrene BraithwaiteMark HollidayJames FingletonMark WeatherallRichard BeasleyPublished in: ERJ open research (2021)
As-needed ICS-formoterol offers a therapeutic alternative to maintenance low-dose ICS plus SABA in asthma and may be the preferred option when prevention of severe exacerbation is the primary aim of treatment.