- Systemic corticosteroid (≥ 10mg prednisolone or equivalent dose of other anti-inflammatory corticosteroids) or systemic immunosuppressant within 28 days prior to the first dose of study drug or current systemic immunosuppressant which is required to be used continuously during treatment period of the study. But following treatments will be allowed: topical applications, inhaled sprays, eye drops, or local injections.