- Prior glucocorticoid therapy for the treatment of multiple myeloma is not permitted EXCEPT if used in conjunction with palliative radiation to prevent vasogenic edema. In that case steroids should have been used for less than 7 days. Prior steroid use for non‐malignant disorders is permitted and should have been restricted to less than the equivalent of prednisone 10 mg per day. Prior or concurrent topical or localized steroid therapy to treat non‐malignant disorders is permitted