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NEJM:帕妥珠单抗对HER2(+)转移性乳癌的疗效(CLEOPATRA研究)

2015-02-19 Mechront MedSci原创

对HER2(+)转移性乳腺癌患者使用帕妥珠单抗+曲妥单抗+多西紫杉醇等一线治疗药物后,较之安慰剂+曲妥单抗+多西紫杉醇治疗,其无进展生存期明显改善。在一项未达到中值得中期分析中表明,使用帕妥珠单抗治疗后,其总生存期明显改善。该文报道了平均随访50个月后的最终总生存期结果。最新研究成果发表在2015-02-19 NEJM。该研究共纳入808名先前没有对转移性疾病行化疗或抗HER2治疗的转移性乳癌患者

对HER2(+)转移性乳腺癌患者使用帕妥珠单抗+曲妥单抗+多西紫杉醇等一线治疗药物后,较之安慰剂+曲妥单抗+多西紫杉醇治疗,其无进展生存期明显改善。在一项未达到中值得中期分析中表明,使用帕妥珠单抗治疗后,其总生存期明显改善。该文报道了平均随访50个月后的最终总生存期结果。最新研究成果发表在2015-02-19《新英格兰期刊》上(NEJM)。此前报道见:ESMO 2014:帕妥珠单抗方案能显著提高转移性乳腺癌总生存期(CLEOPATRA研究)

该研究共纳入808名先前没有对转移性疾病行化疗或抗HER2治疗的转移性乳癌患者,将其随机分为两组:帕妥珠单抗+曲妥单抗+多西紫杉醇组 N=402;安慰剂+曲妥单抗+多西紫杉醇组 N=406。该研究的报道了以下次级终点:总生存期、研究者评估的无进展生存期、独立评估应答持续时间以及帕妥珠单抗的安全性。该研究同时对中期分析后,从安慰剂组转到帕妥珠单抗组的病人进行了敏感性分析。


研究结果显示,帕妥珠单抗组中位总生存期为56.5个月,95%CI 49.3- ;安慰剂组中位总生存期为40.8个月,95%CI 35.8-48.3;两组相差15.7个月,相比较:HR=0.68,95%CI 0.56-0.84,P<0.001。该结果并没有对帕妥珠单抗组的交叉经行调整,因此得出的结果是保守的。在帕妥珠单抗组,研究者们评估的无进展生存期改善了6.3个月,HR=0.68,95%CI 0.58-0.80。作为独立的评估,帕妥珠单抗组延长了平均应答时间7.7个月。两组中绝大多数不良事件发生在加入多西紫杉醇治疗后。 

研究结果表明,对HER2(+)转移性乳癌患者,在曲妥单抗和多西紫杉醇中加入帕妥珠单抗,相比添加安慰剂,能明显改善中位总生存期至56.5个月,并且扩展了先前得出的该类药物组合的有效性的分析结果。

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    2015-02-28 bsmagic9140
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    2015-02-19 222.209.146.**

    3种药物联合就是对该类患者的标准治疗方案了…

    0

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Lancet Oncol:帕妥珠单抗、曲妥珠单抗和多烯紫杉醇方案可作为HER2阳性的转移性乳腺癌患者的标准治疗方案

CLEOPATRA研究是一个3期临床研究,其主要目的在于比较在HER2阳性的转移性乳腺癌患者中,采用帕妥珠单抗、曲妥珠单抗和多烯紫杉醇方案和安慰剂、曲妥珠单抗和多烯紫杉醇方案在治疗的有效性和安全性方面所存在的差异。该研究的主要分析结果显示与安慰剂对照组相比,帕妥珠单抗组的受试者的中位无进展生存期更长。对总体生存期所进行的期中分析显示虽然与安慰剂对照组相比,帕妥珠单抗组的受试者的总体生存期有延长的趋

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