Weekly 70 mg/m2 Carfilzomib for Multiple Myeloma Patients Refractory to 27 mg/m2 Carfilzomib

If the patient was receiving steroids at the equivalent of \> 8 mg of dexamethasone weekly either intravenously (IV) or Per Orem (PO) in combination with carfilzomib, the same drug(s), dose(s) and schedule(s) of steroids will be continued. If the patient was not receiving steroids or was receiving less than the equivalent of 8 mg of dexamethasone weekly, then he/she will be given 8 mg of dexamethasone (IV or PO) prior to each carfilzomib administration.

f the patient was receiving prednisone, at the equivalent of \> 8 mg of dexamethasone weekly PO in combination with carfilzomib, he/she will continue to receive prednisone at the same dose and schedule.

If the patient was receiving methylprednisolone at the equivalent of \> 8 mg of dexamethasone weekly either IV or PO in combination with carfilzomib, he/she will continue to receive methylprednisolone at the same dose and schedule.

given at same dose and schedule as patient was receiving while being treated with twice weekly carfilzomib at 27 mg/m2

administered PO at 4mg daily on days 1-21 of a 28 day cycle