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Autologous Hematopoietic Stem Cell Transplantation (AHSCT) performed after induction therapy is the standard of care for newly diagnosed Multiple Myeloma (MM) patients who qualify. Our institution has performed AHSCT for MM since 1991, and in this study, we sought to retrospectively examine the outcomes of 303 MM patients who underwent AHSCT from 1991-2021. We focused on Overall Survival (OS) and Progression-Free Survival (PFS) in patients in addition to Landmark survival (1-year post-transplantation). We found that in elderly patients > 70 years of age there was no significant difference in OS at 12 years, with 51% for patients 70; these were the same numbers for PFS at 12 years as well. We also found that median overall survival is improving overall with each decade in our transplanted MM patients with patient survival improved to over > 80% regardless of age at 7 years, when the previous median overall survival was 6 - 6.6 years before 2001. Given our findings, supported by others, we show that survival is continually improving over time in MM AHSCT patients and that AHSCT can be performed safely with equivalent landmark and long-term PFS and OS in patients of advanced age.
Nicholas et al. (Thu,) studied this question.