JCO:内分泌治疗加上贝伐珠单抗作为晚期乳腺癌的一线治疗的疗效评估

2015-03-02 黄姗姗 MedSci原创

目的:验证贝伐珠单抗(抗血管内皮生长因子制剂)联合内分泌治疗能否延缓内分泌治疗抵抗。 材料和方法:一项多中心、开放的、随机、双边(西班牙和德国)的III期临床试验将贝伐珠单抗(15mg/kg q3w)与内分泌治疗(来曲唑或氟维司群)联合,作为her-2阴性、ER、PR阳性的绝经后晚期乳腺癌患者的一线治疗。并比较了患者的无疾病进展生存期(PFS)、中位生存期(OS)、总体反应率(ORR)、反应持续

目的:验证贝伐珠单抗(抗血管内皮生长因子制剂)联合内分泌治疗能否延缓内分泌治疗抵抗。

材料和方法:一项多中心、开放的、随机、双边(西班牙和德国)的III期临床试验将贝伐珠单抗(15mg/kg q3w)与内分泌治疗(来曲唑或氟维司群)联合,作为her-2阴性、ER、PR阳性的绝经后晚期乳腺癌患者的一线治疗。并比较了患者的无疾病进展生存期(PFS)、中位生存期(OS)、总体反应率(ORR)、反应持续时间(RD)、治疗失败时间(TTF)、临床获益率(CBR)和安全性。

结果:2007至2011期间,有380名患者被招募,对其中374名患者进行了数据分析。中位年龄为65岁,270名(72%)患者的ECOG评分为0分,178名(48%)患者有内脏转移,171名(46%)患者此前接受过化疗,195名(52%)患者此前接受过内分泌治疗。单纯内分泌治疗组(ET组)的患者中位PFS为14.4个月,内分泌治疗联合贝伐珠单抗组(ET-B组)的患者中位PFS为19.3个月(HR, 0.83; 95% CI, 0.65 to 1.06; P = .126)。ORR、CBR、RD在两组患者之间的比较是22% VS 41%(P < .001);67% VS 77% (P = .041);13.6个月VS17.6个月(P = .434),两组患者的TTF和OS大致相当。ET-B组患者的3-4级高血压、转氨酶升高、蛋白尿的发生率明显增高。临床试验期间有8名ET-B组的患者(4.2%)死亡。

结论:贝伐珠单抗联合内分泌治疗作为her-2阴性、ER、PR阳性的绝经后晚期乳腺癌患者的一线治疗不能改善患者的OS和PFS。

原始出处

Martín M1, Loibl S2, von Minckwitz G2, Morales S2, Martinez N2, Guerrero A2, Anton A2, Aktas B2, Schoenegg W2, Muñoz M2, Garcia-Saenz JÁ2, Gil M2, Ramos M2, Margeli M2, Carrasco E2, Liedtke C2, Wachsmann G2, Mehta K2, De la Haba-Rodriguez JR2.Phase III Trial Evaluating the Addition of Bevacizumab to Endocrine Therapy As First-Line Treatment for Advanced Breast Cancer: The Letrozole/Fulvestrant and Avastin (LEA) Study.J Clin Oncol. 2015 Feb 17.

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    2015-06-26 gwc392
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    2015-06-27 lidong40
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    2015-05-16 ljjj1053

    很不错学习了

    0

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