- First autologous PBSC transplantation*: Beginning approximately 4-6 weeks after the completion of induction therapy, patients receive conditioning therapy comprising high-dose melphalan IV and bortezomib IV on days -4 and -1. Patients undergo autologous PBSC transplantation on day 0 NOTE: *Patients who will receive a single transplant (for medical, insurance, or other reasons) will not receive melphalan and bortezomib, but will receive conditioning with carmustine, etoposide, cytarabine, and melphalan (BEAM) and will proceed to Maintenance Therapy.