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Donor selection for a second allogeneic stem cell transplantation in AML patients relapsing after a first transplant: a study of the Acute Leukemia Working Party of EBMT.
Blood Cancer Journal ( IF 12.8 ) Pub Date : 2019-11-18 , DOI: 10.1038/s41408-019-0251-3
Avichai Shimoni 1 , Myriam Labopin 2 , Jürgen Finke 3 , Fabio Ciceri 4 , Eric Deconinck 5 , Nicolaus Kröger 6 , Martin Gramatzki 7 , Matthias Stelljes 8 , Didier Blaise 9 , Friedrich Stoelzel 10 , Patrice Chevallier 11 , Ernst Holler 12 , Nathalie Fegueux 13 , Mohamad Mohty 2, 14 , Arnon Nagler 1, 2
Affiliation  

Second allogeneic stem-cell transplantation (SCT2) is a therapeutic option for patients with AML relapsing after a first transplant. Prior studies have shown similar results after SCT2 from the same or different donor; however, there are limited data on second non-T-depleted haplo-identical transplant in this setting. We retrospectively analyzed SCT2 outcomes in 556 patients, median age 46 years, relapsing after first transplant given in CR1. Patients were divided into three groups based on SCT2 donor (donor2): same donor (n = 163, sib/sib-112, UD/UD-51), different matched donor (n = 305, sib/different sib-44, sib/UD-93, UD/different UD-168), or haplo-donor (n = 88, sib/haplo-45, UD/haplo-43). Two-year leukemia-free survival (LFS) rate after SCT2 was 23.5%, 23.7%, and 21.8%, respectively (P = 0.30). Multivariate analysis showed no effect of donor2 type on relapse: hazard ratio (HR) 0.89 (P = 0.57) and 1.11 (P = 0.68) for different donor and haplo-donor compared to same donor, respectively. However, donor2 did predict for non-relapse mortality (NRM) after SCT2: HR 1.21 (P = 0.50) and 2.08 (P = 0.03), respectively, and for LFS: HR 1.00 (P = 0.97) and 1.43 (P = 0.07), respectively. In conclusion, SCT2 with the same or different matched donor is associated with similar outcomes in patients with relapsed AML. Non-T-depleted haplo-identical transplant may be associated with higher NRM, similar relapse rate and with no better results in this setting.

中文翻译:

首次移植后复发的AML患者第二次同种异体干细胞移植的供体选择:EBMT急性白血病工作组的研究。

第二次同种异体干细胞移植(SCT2)是第一次移植后AML复发患者的治疗选择。先前的研究表明,在SCT2之后,来自相同或不同供体的结果相似。但是,在这种情况下,有关第二次非T耗竭的单倍体相同移植的数据有限。我们回顾性分析了556例SCT2结局,中位年龄46岁,首次接受CR1移植后复发。根据SCT2供体(供体2)将患者分为三组:同一供体(n = 163,sib / sib-112,UD / UD-51),不同的匹配供体(n = 305,sib /不同sib-44,sib / UD-93,UD /不同的UD-168)或单倍体供体(n = 88,sib / haplo-45,UD / haplo-43)。SCT2后的两年无白血病生存率(LFS)分别为23.5%,23.7%和21.8%(P = 0.30)。多变量分析显示供体2类型对复发无影响:与同一个供体相比,不同供体和单倍体供体的危险比(HR)分别为0.89(P = 0.57)和1.11(P = 0.68)。但是,捐助者2确实预测了SCT2之后的非复发死亡率(NRM):HR 1.21(P = 0.50)和2.08(P = 0.03),以及LFS:HR 1.00(P = 0.97)和1.43(P = 0.07)。 ), 分别。总之,在AML复发患者中,具有相同或不同匹配供体的SCT2与相似的预后相关。非T耗竭的单倍相同移植可能与更高的NRM,相似的复发率相关联,并且在这种情况下没有更好的结果。施主2确实预测了SCT2后的非复发死亡率(NRM):HR 1.21(P = 0.50)和2.08(P = 0.03),以及LFS:HR 1.00(P = 0.97)和1.43(P = 0.07),分别。总之,在AML复发患者中,具有相同或不同匹配供体的SCT2与相似的预后相关。非T耗竭的单倍相同移植可能与更高的NRM,相似的复发率相关联,并且在这种情况下没有更好的结果。施主2确实预测了SCT2后的非复发死亡率(NRM):HR 1.21(P = 0.50)和2.08(P = 0.03),LFS:HR 1.00(P = 0.97)和1.43(P = 0.07),分别。总之,在AML复发患者中,具有相同或不同匹配供体的SCT2与相似的预后相关。非T单倍型移植可能与更高的NRM,相似的复发率相关联,并且在这种情况下没有更好的结果。
更新日期:2019-11-18
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