NCT01413178 2020-04-21A Randomized Trial to Compare Busulfan + Melphalan 140 mg/m2 With Melphalan 200 mg/m2 as Preparative Regimen for Autologous Hematopoietic Stem Cell Transplantation for Multiple MyelomaM.D. Anderson Cancer CenterPhase 3 Completed205 enrolled 11 charts