Identifying patients who may benefit from autologous stem cell transplantation (ASCT) in newly diagnosed multiple myeloma is crucial, especially in the era of effective induction and consolidation strategies. We analyzed data from 12763 patients enrolled in the German Registry for Hematopoietic Stem Cell Transplantation and Cell Therapy (DRST), distinguishing those who underwent single (n = 8736) or tandem ASCT (n = 4027) from 1998 to 2021. Our findings show that the median age at first …