- Despite continuous treatment with high-dose inhaled corticosteroids (ICS) or oral corticosteroids (OCS) (CSO≥ 1 mg/kg/day) with or without controllers (As per GINA 2012 definition), the subject is receiving high doses of ICS (budesonide or its equivalent) and a long-acting β2-agonists(LABA) (formoterol) for the past 12 weeks at visit 0.