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BMC Cancer:拉帕替尼+卡培他滨对某些乳腺癌伴或不伴脑转移患者疗效相同

2012-08-01 魏冬 医学论坛网

  《BMC癌症》(BMC Cancer)杂志近期发表的一项研究表明,拉帕替尼+卡培他滨对某些乳腺癌伴或不伴脑转移(BM)患者的疗效相同。   该研究名为拉帕替尼扩展应用计划(the lapatinib expanded access program ,LEAP),是一项全球、单臂、公开标签的研究,纳入了蒽环类+紫杉烷+曲妥珠单抗治疗后

  《BMC癌症》(BMC Cancer)杂志近期发表的一项研究表明,拉帕替尼+卡培他滨对某些乳腺癌伴或不伴脑转移(BM)患者的疗效相同。

  该研究名为拉帕替尼扩展应用计划(the lapatinib expanded access program ,LEAP),是一项全球、单臂、公开标签的研究,纳入了蒽环类+紫杉烷+曲妥珠单抗治疗后出现进展的人表皮生长因子受体2(HER2)阳性、局部晚期或转移性乳腺癌患者。患者第1~14天每天接受卡培他滨2000 mg/m2(分成2次用药)治疗,21天1个周期,并且每天1次接受拉帕替尼1250 mg治疗。

  结果显示,共有韩国6个中心的186例患者入组,58例有BM。有和无BM的患者无进展生存期(PFS)分别为18.7和19.4周(P=0.88)。

  在BM患者中,脑缓解和全身缓解同步出现(P=0.0001)。

  有和无BM的患者总生存期(OS)分别为48.9和64.6周(P=0.23)。

  多变量分析显示,在BM患者中,激素受体阳性(P=0.003)和临床获益(全身+脑)率高(CBR,P<0.0001)与脑PFS延长显著相关,CBR高(P=0.03)和较长时间应用曲妥珠单抗(P=0.047)与OS延长相关,先前应用卡培他滨不影响PFS或OS。

  相关链接:Ro J, Park S, Kim SB, Kim TY, Im YH, Rha SY, Chung JS, Moon H, Santillana S.Clinical outcomes of HER2-positive metastatic breast cancer patients with brain metastasis treated with lapatinib and capecitabine: an open-label expanded access study in Korea.BMC Cancer,2012 Jul 28;12(1):322

    

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