NEJM:达沙替尼-博纳吐单抗治疗费城染色体阳性急性淋巴细胞白血病

2020-10-23 MedSci原创 MedSci原创

对于费城染色体阳性的急性淋巴细胞白血病,达沙替尼、糖皮质激素联合博纳吐单抗治疗可诱导患者出现持续的分子应答,获得较高的生存率。

使用酪氨酸激酶抑制剂后,费城染色体(Ph)阳性的急性淋巴细胞白血病(ALL)患者的临床结果得到改善,分子缓解是治疗的首要目标。近日研究人员考察了达沙替尼、糖皮质激素联合博纳吐单抗对Ph阳性 ALL患者分子应答的影响。
 
本次研究为II期单组研究,新近诊断的PH阳性ALL患者参与,在达沙替尼,糖皮质激素诱导治疗完成后,再接受2轮博纳吐单抗治疗。研究的主要终点是治疗后骨髓持续的分子应答。
 
63名患者参与研究,中位年龄54岁,98%的患者病情完全缓解。在达沙替尼-糖皮质激素诱导治疗结束时(第85天),29%的患者有分子应答,在两个周期的博纳吐单抗治疗后,增加到60%,继续进行博纳吐单抗维持治疗后,获得分子应答的患者百分比进一步增加。在18个月的中位随访中,总生存率为95%,无病生存率为88%,但IKZF1缺失加上额外的遗传畸变(CDKN2A、CDKN2B、PAX5或兼而有之)患者的无病生存率较低。6例诱导治疗期间微小疾病残留增加的患者可检测到ABL1突变,但可被博纳吐单抗清除。出现6例复发病例。共记录了21例3级或更高级别的不良事件。共有24例患者接受了同种异体干细胞移植,1例死亡与移植有关(4%)。
 
研究认为,对于费城染色体阳性的急性淋巴细胞白血病,达沙替尼、糖皮质激素联合博纳吐单抗治疗可诱导患者出现持续的分子应答,获得较高的生存率。
 
原始出处:
 
Robin Foà et al. Dasatinib-Blinatumomab for Ph-Positive Acute Lymphoblastic Leukemia in Adults. N Engl J Med, October 22, 2020.

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    2020-10-22 旺医

    顶刊就是顶刊,谢谢梅斯带来这么高水平的研究报道,我们科里同事经常看梅斯,分享梅斯上的信息

    0

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