Differences in engraftment with day-1 compared with day-2 melphalan prior to stem cell infusion in myeloma patients receiving autologous stem cell transplant.

Differences in engraftment with day-1 compared with day-2 melphalan prior to stem cell infusion in myeloma patients receiving autologous stem cell transplant.
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DOI:
10.1038/s41409-020-0916-3
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发表时间:
2020-11
影响因子:
4.8
通讯作者:
Gertz MA
Gertz MA
中科院分区:
医学3区
文献类型:
--
作者:
Al Saleh AS;Sidiqi MH;Lee J;Dispenzieri A;Muchtar E;Buadi FK;Warsame R;Lacy MQ;Dingli D;Leung N;Gonsalves WI;Kapoor P;Kourelis TV;Skaer CA;Wittwer SK;Wolf RC;Hogan WJ;Kumar SK;Jacob E;Gertz MA

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我们进行了一项回顾性研究,比较骨髓瘤患者在自体干细胞移植后第2天和第1天接受调节melphalan的移植后结果。在2017年1月至2018年12月期间,201名患者在干细胞输注前的第2天接受美法兰治疗,166名患者在第1天接受美法兰治疗。两组的基线疾病和临床特征相似。虽然两组的住院率相似,但入院第1天的住院时间更长(第1天为7天,第2天为5天,p = 0.003)。发热率在第1天队列中较高(69%对49%,p = 0.0002)。在第1天的队列中,血小板和中性粒细胞植入的时间明显更长(第1天血小板植入的中位时间为17天,第2天为15天,p < 0.0001;第1天中性粒细胞植入的中位时间为16天,第2天为16天,p = 0.025)。总体反应率在队列之间相似(第1天为99%,第2天为100%)。考虑到血小板和中性粒细胞植入的临床显著延迟以及第1天输注的住院时间较长,应优先考虑第2天美法兰输注而不是第1天方案。
We conducted a retrospective study comparing posttransplant outcomes between myeloma patients receiving conditioning melphalan on day-2 vs day-1 for autologous stem cell transplant. Between January 2017 and December 2018, 201 patients received melphalan on day-2 and 166 on day-1 prior to stem cell infusion. Baseline disease and clinical characteristics between the two groups were similar. Although rates of hospitalization were similar between the cohorts, duration of hospital admission was longer for day-1 (median 7 days for day-1 vs 5 days for day-2, p = 0.003). Rates of fever were higher in the day-1 cohort (69% vs 49%, p = 0.0002). Time to platelet and neutrophil engraftment was significantly longer in the day-1 cohort (platelet engraftment median days 17 for day-1 vs 15 for day-2, p < 0.0001, neutrophil engraftment median days 16 for day-1 vs 16 for day-2, p = 0.025). Overall response rate was similar between the cohorts (99% for day-1, vs 100% for day-2). Day-2 melphalan infusions should be considered in preference for day-1 protocols, given the clinically significant delay in platelet and neutrophil engraftment and longer duration of hospitalization with day-1 infusions.
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