- Concurrent treatment with immunosuppressive agents other than prescribed corticosteroids at stable doses for ≥ 2 weeks prior to first planned dose of study drug. Nasal, ophthalmic, and topical glucocorticoid preparations are allowed as well as low dose maintenance steroid therapy for other conditions. Physiologic hormone replacement therapy (e.g., thyroid supplementation for thyroid deficiency or oral replacement glucocorticoid therapy for adrenal insufficiency) is allowed.