Background: Hematopoietic autologous stem cell transplantation (ASCT) is a validated therapeutic strategy for lymphoma treatment and precise well-tolerated conditioning. Several conditioning methods are available, but the most commonly used are CVB, BEAM, and ICE, which are conventionally administered in 6 to 7 days. Since 2015, our program has moved toward noncryopreserved platforms that require concise times; therefore, we have modified the conditioning by reducing it to 4 to 5 days. In this study, we show our experience.
Methods: We compared ASCT performed in our program before and after 2015 in lymphoma patients. Between 2000 and 2014 and from 2015 to 2022, we performed 46 and 61 ASCT procedures, respectively.
Results: Since 2015, we observed a greater number of infused stem cells, fewer episodes of febrile neutropenia (60% vs. 37% P = .008), shorter hospitalizations (30 vs. 18 days P = .001), faster engraftment (20 vs. 14 days P = .001) and better progression-free survival (72 vs. 44 months P = .002). Additionally, a prolonged overall survival was observed at these results, and this prolonged survival is difficult to interpret due to the short follow-up.
Conclusion: In conclusion, conditioning adjusted for a noncryopreserved strategy offers at least similar or even better results than the cryopreserved strategy. Prospective studies are warranted.
Keywords: Autologous stem cell transplantation; DMSO; Lymphoma.
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