- Failure of at least one, but no more than four, prior systemic therapies for MM prior to registration and may not have relapsed or progressed within 1 year following autologous hematopoietic stem cell transplantation. Repeat courses of the same therapeutic regimen separated in time by 6 or more months are considered separate therapies. Induction therapy followed by high dose chemotherapy and autologous hematopoietic stem cell transplantation counts as one therapy.