EBCC 10:HER2+乳腺癌福音!术前短期治疗即可

2016-03-24 zhaoshuang译 MedSci原创

第十届欧洲乳腺癌大会(EBCC-10)称,HER2+乳腺癌在术前或化疗前使用妥珠单抗+拉帕替尼联合治疗11天后,近25%的患者其肿瘤组织明显缩小或消失。

第十届欧洲乳腺癌大会(EBCC-10)称,HER2+乳腺癌在术前或化疗前使用妥珠单抗+拉帕替尼联合治疗11天后,近25%的患者其肿瘤组织明显缩小或消失。


该研究纳入了257名HER2+乳腺癌患者,在术前分为接受曲妥珠单抗、拉帕替尼、曲妥珠单抗+拉帕替尼治疗和无治疗组。术后接受标本的治疗。使用确诊时和手术时获取的肿瘤标本,分析术前治疗对标本中Ki67 蛋白影响情况,或两次活检中细胞凋亡是否达到30%。根据病理缓解情况分为完全缓解(pCR,无活动性癌细胞)、极小残留(MRD,肿瘤小于5mm)和其它。

研究数据显示,曲妥珠单抗+拉帕替尼组患者肿瘤标本中Ki67下降,且有11%和17%的患者达到 pCR和MRD,需指出的是,病理缓解的患者中存在淋巴结受累的Ⅱ期乳腺癌患者。此外,曲妥珠单抗组达到pCR和MRD的患者只有0%和3%,而对照组没有患者达到pCR或MRD。

英国癌症研究院首席研究员 Judith Bliss 教授说:“当前的大多数乳腺癌研究的关注点在于治疗后几个月内的病理缓解,而这项研究的关注点却在术前,HER2+乳腺癌只需术前短期治疗,就可以根据病理缓解情况拟定下一步治疗,确定患者是否还需要化疗。不过未来还需要更多的研究,以验证该结果。”

里斯本 Champalimaud 临床中心乳腺科主任 Fatima Cardoso 教授说:“HER2+乳腺癌患者只需术前进行短期的曲妥珠单抗+拉帕替尼双靶向治疗就可以明确患者是否需要化疗,不过这种早期的病理缓解能否持续下去,改善患者的长期生存,仍是未知的,还需要更多的研究。”

原始出处:

Lapatinib and trastuzumab shrinks HER2+ breast cancer in 11 days after diagnosis. Medicalxpress, March 10, 2016

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    2016-08-02 1dd8c52fm63(暂无匿称)

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  2. [GetPortalCommentsPageByObjectIdResponse(id=95580, encodeId=3d5295580fa, content=是真的么?, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=93f31631454, createdName=1dd8c52fm63(暂无匿称), createdTime=Tue Aug 02 22:13:00 CST 2016, time=2016-08-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=86900, encodeId=95c286900b2, content=术前短期治疗就行?, beContent=null, objectType=article, channel=null, level=null, likeNumber=117, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=48091727242, createdName=1dedccb6m09(暂无匿称), createdTime=Tue May 24 00:03:00 CST 2016, time=2016-05-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=74453, encodeId=c08ce4453ad, content=好好学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=121, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Tue Mar 29 17:42:00 CST 2016, time=2016-03-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=74454, encodeId=b021e445431, content=好好学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=104, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Tue Mar 29 17:42:00 CST 2016, time=2016-03-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=73944, encodeId=7e86e394478, content=这种文章要看看, beContent=null, objectType=article, channel=null, level=null, likeNumber=137, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a6a1604604, createdName=Gsurgeon, createdTime=Sun Mar 27 06:19:00 CST 2016, time=2016-03-27, status=1, ipAttribution=)]
    2016-05-24 1dedccb6m09(暂无匿称)

    术前短期治疗就行?

    0

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    2016-03-29 忠诚向上

    好好学习一下

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    2016-03-29 忠诚向上

    好好学习一下

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    2016-03-27 Gsurgeon

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