Abstract

目的探讨异基因造血干细胞移植(allo-HSCT)治疗合并中枢神经系统白血病(CNSL)患者的疗效。方法对2012年5月至2017年12月收治的48例合并CNSL患者进行回顾性分析。结果①全部48例患者中,男38例,女10例,中位年龄20(6~48)岁;急性淋巴细胞白血病(ALL)22例,急性髓系白血病(AML)21例,慢性髓性白血病(CML)5例。移植前骨髓完全缓解(CR)19例(CR组),未缓解(NR)29例(NR组)。②预处理方案:成人采用以全身照射(TBI)为主方案,其中6例患者联合全脑全脊髓放疗,2例患者联合射波刀治疗;儿童患者采用改良伊达比星(IDA)联合Bu-Cy(白消安+环磷酰胺)方案。③48例患者均顺利植活,粒细胞植活中位时间为14(10~23)d,血小板植活的中位时间为16(6~78)d。④移植后28天评估骨髓,48例患者均达CR,经DNA检测证实均为完全供者嵌合状态。⑤中位随访时间为14(2~69)个月,28例患者存活,10例复发,其中CNSL复发3例。移植前CR组、NR组allo-HSCT后1年总生存(OS)率分别为(77.3±10.0)%、(57.6±9.3)%(P=0.409),无病生存率(DFS)分别为(71.2±11.0)%、(53.9±9.5)%(P=0.386)。ALL、AML组移植后1年OS率分别为(54.2±10.7)%、(80.1±8.9)%(P=0.200),DFS率分别为(49.2±10.8)%、(75.0±9.7)%(P=0.190)。结论allo-HSCT治疗CNSL是安全、有效的。

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