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JCO:HER2阳性乳腺癌化疗——拉帕替尼并不优于曲妥单抗,反而增加了药毒性

2015-12-03 zhaozhou 译 MedSci原创

 拉帕替尼加上曲妥单抗可以改善转移性人表皮生长因子2阳性(HER2)乳腺癌的临床结果,并且这两种药物可以在新辅助疗法背景下增加病理学完全反应,但是它们作为辅助疗法的角色仍不确定。 在辅助拉帕替尼和/或曲妥单抗治疗优化试验(the Adjuvant Lapatinib and/or Trastuzumab Treatment Optimization)中,已经被确诊为HER2阳性

拉帕替尼加上曲妥单抗可以改善转移性人表皮生长因子2阳性(HER2)乳腺癌的临床结果,并且这两种药物可以在新辅助疗法背景下增加病理学完全反应,但是它们作为辅助疗法的角色仍不确定。
 

在辅助拉帕替尼和/或曲妥单抗治疗的优化试验(the Adjuvant Lapatinib and/or Trastuzumab Treatment Optimization)中,已经被确诊为HER2阳性早期乳腺癌患者被随机分组接受一年的曲妥单抗或拉帕替尼辅助化疗、先用曲妥单抗再用拉帕替尼、或者是两药联用。主要终点是无疾病生存时间(DFS)。共有8381人参与此项研究。

2011年时,研究证明拉帕替尼并不优于曲妥单抗,于是拉帕替尼组被取消了,这些无治疗的患者开始使用曲妥单抗进行进一步的辅助化疗。对于一对一成对比较的试验来说,试验方案修正需要P值不高于0.025。在一项试验方案特异性分析中,中位随访时间为4.5年,拉帕替尼加曲妥单抗相对于单用曲妥单抗,DFS出现了16%的下降,而先用曲妥单抗再用拉帕替尼相对于单用曲妥单抗,则出现了4%的下降。接受拉帕替尼治疗的患者出现了更多的副反应,比如腹泻、皮疹以及肝毒性。在所有试验组中,心脏毒性发病率都很低。
 
此项研究表明,使用拉帕替尼的辅助化疗相对于单用曲妥单抗并没有显著改善生存时间,反而还增加了药物的肝毒性。因此使用曲妥单抗进行一年的辅助化疗仍是标准的治疗方案。

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  1. [GetPortalCommentsPageByObjectIdResponse(id=1891239, encodeId=22c1189123977, content=<a href='/topic/show?id=25b0102e2df' target=_blank style='color:#2F92EE;'>#JCO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10272, encryptionId=25b0102e2df, topicName=JCO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6da1120, createdName=lidong40, createdTime=Sat Jan 02 09:31:00 CST 2016, time=2016-01-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49056, encodeId=6f3549056a2, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49057, encodeId=d0964905e3b, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=184, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=45445, encodeId=c4f34544526, content=此使用曲妥单抗进行一年的辅助化疗仍是标准的治疗方案, beContent=null, objectType=article, channel=null, level=null, likeNumber=178, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4bfa83595, createdName=jetleo, createdTime=Thu Dec 10 13:07:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1308471, encodeId=2f7f13084e1c0, content=<a href='/topic/show?id=240f8e3234' target=_blank style='color:#2F92EE;'>#HER2阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8732, encryptionId=240f8e3234, topicName=HER2阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8409354, createdName=闆锋旦, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1441535, encodeId=6f7c1441535ff, content=<a href='/topic/show?id=1b785613921' target=_blank style='color:#2F92EE;'>#拉帕替尼#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=124, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56139, encryptionId=1b785613921, topicName=拉帕替尼)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7acb4863797, createdName=ms9474365431325850, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627164, encodeId=b185162e16442, content=<a href='/topic/show?id=46cc6022567' target=_blank style='color:#2F92EE;'>#曲妥单抗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60225, encryptionId=46cc6022567, topicName=曲妥单抗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=582b21086719, createdName=swallow, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=)]
    2016-01-02 lidong40
  2. [GetPortalCommentsPageByObjectIdResponse(id=1891239, encodeId=22c1189123977, content=<a href='/topic/show?id=25b0102e2df' target=_blank style='color:#2F92EE;'>#JCO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10272, encryptionId=25b0102e2df, topicName=JCO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6da1120, createdName=lidong40, createdTime=Sat Jan 02 09:31:00 CST 2016, time=2016-01-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49056, encodeId=6f3549056a2, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49057, encodeId=d0964905e3b, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=184, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=45445, encodeId=c4f34544526, content=此使用曲妥单抗进行一年的辅助化疗仍是标准的治疗方案, beContent=null, objectType=article, channel=null, level=null, likeNumber=178, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4bfa83595, createdName=jetleo, createdTime=Thu Dec 10 13:07:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1308471, encodeId=2f7f13084e1c0, content=<a href='/topic/show?id=240f8e3234' target=_blank style='color:#2F92EE;'>#HER2阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8732, encryptionId=240f8e3234, topicName=HER2阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8409354, createdName=闆锋旦, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1441535, encodeId=6f7c1441535ff, content=<a href='/topic/show?id=1b785613921' target=_blank style='color:#2F92EE;'>#拉帕替尼#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=124, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56139, encryptionId=1b785613921, topicName=拉帕替尼)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7acb4863797, createdName=ms9474365431325850, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627164, encodeId=b185162e16442, content=<a href='/topic/show?id=46cc6022567' target=_blank style='color:#2F92EE;'>#曲妥单抗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60225, encryptionId=46cc6022567, topicName=曲妥单抗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=582b21086719, createdName=swallow, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=)]
    2015-12-27 hixiaoluo

    好文章,值得收藏

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1891239, encodeId=22c1189123977, content=<a href='/topic/show?id=25b0102e2df' target=_blank style='color:#2F92EE;'>#JCO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10272, encryptionId=25b0102e2df, topicName=JCO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6da1120, createdName=lidong40, createdTime=Sat Jan 02 09:31:00 CST 2016, time=2016-01-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49056, encodeId=6f3549056a2, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49057, encodeId=d0964905e3b, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=184, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=45445, encodeId=c4f34544526, content=此使用曲妥单抗进行一年的辅助化疗仍是标准的治疗方案, beContent=null, objectType=article, channel=null, level=null, likeNumber=178, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4bfa83595, createdName=jetleo, createdTime=Thu Dec 10 13:07:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1308471, encodeId=2f7f13084e1c0, content=<a href='/topic/show?id=240f8e3234' target=_blank style='color:#2F92EE;'>#HER2阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8732, encryptionId=240f8e3234, topicName=HER2阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8409354, createdName=闆锋旦, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1441535, encodeId=6f7c1441535ff, content=<a href='/topic/show?id=1b785613921' target=_blank style='color:#2F92EE;'>#拉帕替尼#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=124, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56139, encryptionId=1b785613921, topicName=拉帕替尼)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7acb4863797, createdName=ms9474365431325850, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627164, encodeId=b185162e16442, content=<a href='/topic/show?id=46cc6022567' target=_blank style='color:#2F92EE;'>#曲妥单抗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60225, encryptionId=46cc6022567, topicName=曲妥单抗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=582b21086719, createdName=swallow, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=)]
    2015-12-27 hixiaoluo

    好文章,值得收藏

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1891239, encodeId=22c1189123977, content=<a href='/topic/show?id=25b0102e2df' target=_blank style='color:#2F92EE;'>#JCO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10272, encryptionId=25b0102e2df, topicName=JCO)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6da1120, createdName=lidong40, createdTime=Sat Jan 02 09:31:00 CST 2016, time=2016-01-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49056, encodeId=6f3549056a2, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=106, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=49057, encodeId=d0964905e3b, content=好文章,值得收藏, beContent=null, objectType=article, channel=null, level=null, likeNumber=184, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc301610909, createdName=hixiaoluo, createdTime=Sun Dec 27 08:59:00 CST 2015, time=2015-12-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=45445, encodeId=c4f34544526, content=此使用曲妥单抗进行一年的辅助化疗仍是标准的治疗方案, beContent=null, objectType=article, channel=null, level=null, likeNumber=178, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4bfa83595, createdName=jetleo, createdTime=Thu Dec 10 13:07:00 CST 2015, time=2015-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1308471, encodeId=2f7f13084e1c0, content=<a href='/topic/show?id=240f8e3234' target=_blank style='color:#2F92EE;'>#HER2阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8732, encryptionId=240f8e3234, topicName=HER2阳性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8409354, createdName=闆锋旦, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1441535, encodeId=6f7c1441535ff, content=<a href='/topic/show?id=1b785613921' target=_blank style='color:#2F92EE;'>#拉帕替尼#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=124, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=56139, encryptionId=1b785613921, topicName=拉帕替尼)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7acb4863797, createdName=ms9474365431325850, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1627164, encodeId=b185162e16442, content=<a href='/topic/show?id=46cc6022567' target=_blank style='color:#2F92EE;'>#曲妥单抗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=60225, encryptionId=46cc6022567, topicName=曲妥单抗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=582b21086719, createdName=swallow, createdTime=Sat Dec 05 08:31:00 CST 2015, time=2015-12-05, status=1, ipAttribution=)]
    2015-12-10 jetleo

    此使用曲妥单抗进行一年的辅助化疗仍是标准的治疗方案

    0

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JCO:曲妥单抗增加心脏病风险

 由于曲妥单抗用于人表皮生长因子受体2(HER2)阳性早期乳腺癌治疗的辅助化疗,患者的生存结果出现了显著的改善。但是,曲妥单抗有可能会增加心脏毒性的风险,因此对于发病率和风险因素的长期评价是很有必要的。 NCCTG N9831试验比较了HER2阳性乳腺癌患者使用辅助的阿霉素和环磷酰胺(AC),随后每周使用紫杉醇(A组);紫杉醇然后曲妥单抗(B组);或者是紫杉醇加曲妥单抗随后单独

JCO:早期拉帕替尼联用曲妥单抗对HER2+乳腺癌效果更优

 人类表皮生长因子受体2(HER2/neu)在肿瘤发生过程中起到了中心的作用。曲妥单抗是治疗HER2阳性转移性乳腺癌的一线用药,单独使用曲妥单抗可以大约三分之一患者产生响应。当曲妥单抗和化疗相结合,响应率则更高。临床前试验表明曲妥单抗和HER2直接酪氨酸激酶抑制剂拉帕替尼之间存在协同作用。 研究人员召集了两组受试者,第一组没有优先使用曲妥单抗治疗HER2阳性转移性乳腺癌并且超过

JCO:侵润性小叶乳腺癌:曲妥单抗疗效如何?

Dana-Farber癌症研究中心的Otto Metzger-Filho带领的科研小组最近进行了一项名为HERA(赫塞汀佐剂)的临床试验。该研究旨在评估HER-2阳性侵润性小叶癌(ILC)的乳腺癌患者使用佐剂曲妥单抗的受益程度。研究结果表明,曲妥单抗对ILC患者和IDC(侵润性导管癌)患者治疗效果相似。在HERA试验中,受试患者被随机分为两组,一组接受1年的曲妥单抗治疗,另外一组仅接受1年的观察(

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