6. Recent (<14 days) or active use of immunosuppressive drugs (including but not limited to high-dose corticosteroids [>1mg/kg of prednisone equivalent], Tumor Necrosis Factor-α blockers, cyclosporine) not including non-steroidal antinflammatory drugs or corticosteroids used for IV dye allergy or corticosteroids used as replacement therapy for pituitary/adrenal disease with a stable regimen for at least 6 weeks prior to randomization (note: topical, intra-articular, nasal, inhaled, and ophthalmic steroid therapies are not considered "systemic" and are allowed);