NEJM:对于处置慢性CLL患者,Ibrutinib优于苯丁酸氮芥

2015-12-07 崔倩 译 MedSci原创

慢性淋巴细胞白血病(CLL)主要影响那些有并存疾病的免疫抑制,除骨髓抑制疾病的老年人。研究人员进行了一项国际的,开放标记的随机3期临床试验,以比较两个口服剂,ibrutinib和苯丁酸氮芥,对于先前未经治疗的CLL或小淋巴细胞淋巴瘤老年患者的效果。

慢性淋巴细胞白血病(CLL)主要影响那些有并存疾病的免疫抑制(除骨髓抑制)疾病的老年人。研究人员进行了一项国际的,开放标记的随机3期临床试验,以比较两个口服剂,ibrutinib和苯丁酸氮芥,对于先前未经治疗的CLL或小淋巴细胞淋巴瘤老年患者的效果。

研究人员随机分配269例初治慢性淋巴细胞白血病或者小淋巴细胞淋巴瘤患者,年龄在65岁以上,接受ibrutinib或苯丁酸氮芥。主要终点是无进展生存期的评估,由一个独立的评审委员会进行评定。

患者的中位年龄为73岁。在18.4个月的中位随访期间,ibrutinib比苯丁酸氮芥导致显著更长的无进展生存期(中位数,没有达到 vs 18.9个月),采用ibrutinib治疗的有进展或死亡的风险比苯丁酸氮芥明显降低84%(危险比,0.16;P<0.001)。Ibrutinib能够显著延长总生存期;在24个月时ibrutinib估计的存活率为98%,苯丁酸氮芥为85%,ibrutinib组死亡的相对危险比苯丁酸氮芥组低84%(风险比,0.16;P=0.001)。采用ibrutinib治疗的整体反应率高于采用苯丁酸氮芥治疗(86% vs 35%,P<0.001)。接受ibrutinib治疗血红蛋白和血小板水平从基线值持续增加的患者概率较高。接受ibrutinib的至少20%的患者发生任何等级的不良事件,包括腹泻、疲劳、咳嗽和恶心;接受苯丁酸氮芥的患者至少有20%发生不良反应,包括恶心、乏力、白细胞减少、贫血、呕吐。在ibrutinib组有4例患者出现3级出血,一个有4级出血。ibrutinib组中共有87%的患者继续采取ibrutinib治疗。

对于所评估的无进展生存期、总生存期、反应速度,并血液变量的改善而言,Ibrutinib在以前未经治疗的CLL或小淋巴细胞淋巴瘤患者中优于苯丁酸氮芥。

原始出处:

Jan A. Burger,Alessandra Tedeschi,Paul M. Barr,et al.Ibrutinib as Initial Therapy for Patients with Chronic Lymphocytic Leukemia,NEJM,2015.12.7

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    2015-12-27 hixiaoluo

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    2015-12-27 hixiaoluo

    好文章,值得收藏

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    2015-12-08 xsm924
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