https://www.selleckchem.com/pr....oducts/doxycycline-h
The Global Initiative for Asthma recommends as-needed inhaled corticosteroid (ICS)-formoterol as an alternative to maintenance ICS plus short-acting β -agonist (SABA) reliever at step 2 of its stepwise treatment algorithm. Our aim was to assess the efficacy and safety of these two treatment regimens, with a focus on prevention of severe exacerbation. We performed a systematic review and meta-analysis of all randomised controlled trials (RCTs) comparing as-needed ICS-formoterol with maintenance ICS plus SABA. MEDLINE, Embase,