- Concurrent Anti-Asthma Therapy: Subjects must be using an inhaled corticosteroid for at least 3 months prior to Visit 1 and be maintained on a stable dose for four weeks prior to Visit 1 at one of the following doses: Anti-Asthma Therapy Maximum Daily Dose (mcg/day) Fluticasone propionate MDI CFC/HFA ≤220mcg1/≥250mcg2 Fluticasone propionate DPI 200mcg Beclomethasone dipropionate 420mcg1/500mcg2 Beclomethasone dipropionate HFA 160mcg1/200mcg2 Budesonide DPI 400mcg Flunisolide 1000mcg Triamcinolone acetonide 1000mcg Mometasone furoate 200mcg Ciclesonide 160mcg1/200mcg2