Am J Hematol:去甲基化药物治疗MDS:完全细胞遗传学响应对结局的影响

2017-06-16 梁舒瑶;吴星; 环球医学资讯

去甲基化药物(HMA)治疗骨髓异常增生综合征(MDS)时,完全细胞遗传学响应对结局有何影响?2017年4月,发表在《Am J Hematol》的一项研究评价了2004年至2012年期间216例连续使用去甲基化药物治疗MDS和染色体核型异常的患者。

去甲基化药物(HMA)治疗骨髓异常增生综合征(MDS)时,完全细胞遗传学响应对结局有何影响?2017年4月,发表在《Am J Hematol》的一项研究评价了2004年至2012年期间216例连续使用去甲基化药物治疗MDS和染色体核型异常的患者。

该项研究中位随访时间为17个月。使用IWG标准,最佳应答为79例患者(37%)完全应答(CR),4例患者(2%)部分应答(PR)和10例患者(5%)血液改善(HI)。78例患者(36%)实现细胞遗传学响应(CyR):完全细胞遗传学响应(CCyR)62例,部分响应16例(7%)。79例CR患者中,48例患者(61%)实现CyR。14例PR/HI患者中,1例患者(7%)实现CyR。123例无形态学响应的患者中,29例患者(24%)实现CyR。实现CCyR和没有实现CCyR患者的中位总生存(OS)和无白血病生存(LFS)分别为21个月和13个月(P = 0.007),以及16个月和9个月(P = 0.001)。通过多变量分析发现,CCyR的实现预测OS更佳(HR?=?2.1;P<0.001)。

总之,使用HMA治疗的MDS患者的CyR发生率为36%(完全发生率为29%),且不总是与形态学响应相关。CCyR的实现与生存的改善相关,且构成结局的预测因素,尤其是在无形态学响应的患者中。因此,CCyR的实现应该被视为MDS治疗的一个里程碑。

原始出处:
Jabbour, E., et al.Impact of achievement of complete cytogenetic response on outcome in patients with myelodysplastic syndromes treated with hypomethylating agents.Am J Hematol.2017 Apr;92(4):351-358. doi: 10.1002/ajh.24650. Epub 2017 Feb 13.

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    2017-09-13 d830372
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    2017-06-18 fengyi812