NEJM:talazoparib治疗BRCA 1/2突变阳性乳腺癌

2018-08-16 zhangfan MedSci原创

研究认为,talazoparib单药治疗可显著改善晚期种系(遗传获得)BRCA 1/2突变阳性乳腺癌患者疾病症状,延长患者无进展生存期

PARP抑制剂talazoparib对晚期种系(遗传获得)BRCA 1/2突变阳性乳腺癌具有潜在的治疗作用。

在近期的III期临床研究中,种系(遗传获得)BRCA 1/2突变阳性晚期乳腺癌患者随机接受1mg每天1次的talazoparib或标准单药化疗(卡培他滨、艾日布林、吉西他滨或长春瑞滨)。研究的主要终点是无进展生存期。

431名患者参与研究,其中talazoparib组287人,标准化疗组144人。研究显示,talazoparib组患者无进展生存期显著延长(8.6 vs 5.6个月,患者进展或死亡风险比值比为0.54),中期患者死亡平均风险比为0.76。talazoparib组患者客观应答率为62.6%,高于对照组的27.2%。talazoparib组 3-4级血液学不良事件率55%,对照组为38%,主要是贫血,非血液学3级不良事件率相当(32 vs 38%)。接受talazoparib治疗的患者自我报告临床反应良好,其健康状况、生活质量和乳房症状均得到显著改善。

研究认为,talazoparib单药治疗可显著改善晚期种系(遗传获得)BRCA 1/2突变阳性乳腺癌患者疾病症状,延长患者无进展生存期。

原始出处:

Jennifer K. Litton et al. Talazoparib in Patients with Advanced Breast Cancer and a Germline BRCA Mutation. N Engl J Med.August 16 2018.

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    2018-08-18 智智灵药

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