Stem cell mobilization (Part B)
In Part B, 13 (28.3%) patients were eligible but without immediate intent for ASCT and 7 (53.8%) proceeded to stem cell mobilization. Overall, 4 (30.8%) patients proceeded with ASCT: 3 discontinued study treatment to have immediate ASCT per protocol and 1 decided to discontinue study treatment (due to heavy study procedure) and had ASCT during follow-up. Additional details are in the Supplementary Materials.