Carfilzomib, Cyclophosphamide, Dexamethasone in Transplant Eligible Newly Diagnosed High-risk Multiple Myeloma

Carfilzomib is administered intraveneously over 30 minutes. For cycle 1 only, Carfilzomib is administered at 20mg/m2 on Day 1 and 2, dose will be escalated to 36mg/m2 on Day 8,9,15 and 16 of the 28-days cycle. Patients who tolerate the 36mg/m2 dose are kept at this dose for the subsequent cycles on Day 1,2,8,9,15,16 on a 28 days cycle. Cyclophosphamide is given at a fixed dose of 500mg once per week orally, along with dexamethasone which is given on the days of Carfilzomib administration, 30 minutes to 4 hours prior to Carfilzomib infusion.