EGFR敏感突变晚期NSCLC靶向治疗研究进展及治疗策略

2019-05-25 佚名 肿瘤资讯

第一代EGFR-TKI吉非替尼的问世开启了肺癌的精准医疗时代,随着医学研究的不断发展,目前第三代EGFR-TKI奥希替尼已经在国内上市,为EGFR敏感突变晚期非小细胞肺癌(NSCLC)的靶向治疗提供了新的选择。在肺癌精准医学杭州峰会上,详细介绍了EGFR敏感突变晚期NSCLC靶向治疗领域的研究进展和治疗策略。

第一代EGFR-TKI吉非替尼的问世开启了肺癌的精准医疗时代,随着医学研究的不断发展,目前第三代EGFR-TKI奥希替尼已经在国内上市,为EGFR敏感突变晚期非小细胞肺癌NSCLC)的靶向治疗提供了新的选择。在肺癌精准医学杭州峰会上,详细介绍了EGFR敏感突变晚期NSCLC靶向治疗领域的研究进展和治疗策略。

陈恩国主任医师、教授、医学博士,浙江大学医学院邵逸夫医院呼吸内科主任医师,德国吕贝克大学医学博士,中华医学会浙江省分会呼吸学会常委,浙江省抗癌协会康复与姑息委员会副主委,中华医学会介入学组委员,华东介入肺脏病学协作组委员,中国肺癌防治联盟浙江分联盟副主席,中国肺部肿瘤专委会常委,Chest中文版杂志执行编委

EGFR敏感突变晚期NSCLC靶向治疗领域的最新研究进展

目前第一代、第二代、第三代EGFR—TKI都已上市,现阶段临床试验主要是将第二代、第三代EGFR—TKI与第一代进行比较,以及对不同EGFR—TKI进行头对头比较。虽然第二代EGFR—TKI与第一代相比疗效更好,但是其不良反应比较多,患者耐受性比较差。FLAURA研究比较了第三代EGFR-TKI奥希替尼与第一代EGFR TKI一线治疗EGFR敏感突变晚期NSCLC的疗效与安全性,结果显示奥希替尼显着延长中位无进展生存期(PFS)至18.9个月,对比EGFR TKI标准治疗中位PFS 10.2个月,患者获益更加显着,且不良反应更少。目前该研究最终总生存期(OS)结果还不成熟,但是从趋势来看非常值得我们期待。

在联合治疗方面,去年ASCO公布的NEJ009研究显示吉非替尼联合化疗对比单药吉非替尼显着延长PFS和OS,但是目前仍有很多专家担心靶向治疗和化疗联合后的毒副反应和患者的耐受性问题,还需要更多的数据来证实这种联合方式的合理性。

EGFR敏感突变晚期NSCLC的靶向治疗策略

对于临床医生来说,更多的药物选择意味着更深层次的思考。对于第一代、第二代和第三代EGFR-TKI,应该如何来排兵布阵,给患者带来更多生存获益,是我们当前思考的重要问题。在奥希替尼还没有获批国内一线适应证的情况下,EGFR敏感突变晚期NSCLC的一线治疗使用最多的还是第一代、第二代EGFR-TKI。奥希替尼目前主要用于第一代、第二代EGFR-TKI耐药后T790M突变患者的序贯治疗,我们在临床实践中发现,存在T790M突变的患者使用奥希替尼序贯治疗可以获得10个月左右的PFS。

如果接下来奥希替尼在国内获批一线治疗适应证,我相信会有更多患者会选择一线使用奥希替尼,因为FLAURA研究表明与第一代EGFR-TKI相比,奥希替尼可以带来更多临床获益,特别是对存在脑转移的患者。而且由于奥希替尼的高选择性,其皮疹与腹泻不良反应发生率均较低。

奥希替尼在晚期肺癌及脑转移治疗中的优势

FLAURA研究显示EGFR敏感突变晚期NSCLC患者一线使用奥希替尼的临床优势包括更长PFS、更小毒副反应、有效预防和控制脑转移和更长生存获益。在脑转移治疗中,虽然第一代、第二代EGFR-TKI有一定的疗效,但是临床前研究和临床研究都显示奥希替尼能够更好地透过血脑屏障,在脑脊液中的药物浓度更高,因而其对于脑转移的治疗效果明显优于第一代、第二代EGFR-TKI,患者可以获得更长的PFS。因此,对于存在脑转移的患者和没有经济负担的患者,应优先推荐使用奥希替尼作为一线治疗,让患者得到更多获益。

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  4. [GetPortalCommentsPageByObjectIdResponse(id=1785053, encodeId=69821e85053e7, content=<a href='/topic/show?id=c1936588a8' target=_blank style='color:#2F92EE;'>#EGFR敏感#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6588, encryptionId=c1936588a8, topicName=EGFR敏感)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKJUlpK5asKgfVAGEUnO6CbNf6icCfycdBO2zX5TWJq27yt434nFicdjf7OsvbOZBOotQdNx6J6PaZQ/132, createdBy=fcba2500108, createdName=ms6519009802973839, createdTime=Wed Aug 21 20:08:00 CST 2019, time=2019-08-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1785068, encodeId=14eb1e85068f2, content=<a href='/topic/show?id=3f75658990' target=_blank style='color:#2F92EE;'>#EGFR敏感突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6589, encryptionId=3f75658990, topicName=EGFR敏感突变)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=38232500109, createdName=1249898am15暂无昵称, createdTime=Thu Dec 05 14:08:00 CST 2019, time=2019-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1381186, encodeId=0907138118613, content=<a href='/topic/show?id=9281e34519b' target=_blank style='color:#2F92EE;'>#研究进展#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73451, encryptionId=9281e34519b, topicName=研究进展)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f13d475, createdName=mashirong, createdTime=Mon May 27 13:08:00 CST 2019, time=2019-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416295, encodeId=738d141629518, content=<a href='/topic/show?id=6cef59801ea' target=_blank style='color:#2F92EE;'>#晚期NSCLC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59801, encryptionId=6cef59801ea, topicName=晚期NSCLC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3b093156350, createdName=经常头晕, createdTime=Mon May 27 13:08:00 CST 2019, time=2019-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534424, encodeId=1fe115344245f, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7988, encryptionId=22b3e9887e, topicName=GFR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0a812532020, createdName=liuyiping, createdTime=Mon May 27 13:08:00 CST 2019, time=2019-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039665, encodeId=51ca10396650f, content=NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Sun May 26 01:08:00 CST 2019, time=2019-05-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=366780, encodeId=dc1e366e80f9, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160304/IMG56D94856B1B5D6405.jpg, createdBy=27931687771, createdName=一个字-牛, createdTime=Sat May 25 22:17:26 CST 2019, time=2019-05-25, status=1, ipAttribution=)]
  5. [GetPortalCommentsPageByObjectIdResponse(id=1785053, encodeId=69821e85053e7, content=<a href='/topic/show?id=c1936588a8' target=_blank style='color:#2F92EE;'>#EGFR敏感#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6588, encryptionId=c1936588a8, topicName=EGFR敏感)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKJUlpK5asKgfVAGEUnO6CbNf6icCfycdBO2zX5TWJq27yt434nFicdjf7OsvbOZBOotQdNx6J6PaZQ/132, createdBy=fcba2500108, createdName=ms6519009802973839, createdTime=Wed Aug 21 20:08:00 CST 2019, time=2019-08-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1785068, encodeId=14eb1e85068f2, content=<a href='/topic/show?id=3f75658990' target=_blank style='color:#2F92EE;'>#EGFR敏感突变#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6589, encryptionId=3f75658990, topicName=EGFR敏感突变)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=38232500109, createdName=1249898am15暂无昵称, createdTime=Thu Dec 05 14:08:00 CST 2019, time=2019-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1381186, encodeId=0907138118613, content=<a href='/topic/show?id=9281e34519b' target=_blank style='color:#2F92EE;'>#研究进展#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73451, encryptionId=9281e34519b, topicName=研究进展)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f13d475, createdName=mashirong, createdTime=Mon May 27 13:08:00 CST 2019, time=2019-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1416295, encodeId=738d141629518, content=<a href='/topic/show?id=6cef59801ea' target=_blank style='color:#2F92EE;'>#晚期NSCLC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=59801, encryptionId=6cef59801ea, topicName=晚期NSCLC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3b093156350, createdName=经常头晕, createdTime=Mon May 27 13:08:00 CST 2019, time=2019-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534424, encodeId=1fe115344245f, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7988, encryptionId=22b3e9887e, topicName=GFR)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0a812532020, createdName=liuyiping, createdTime=Mon May 27 13:08:00 CST 2019, time=2019-05-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039665, encodeId=51ca10396650f, content=NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿肿, createdTime=Sun May 26 01:08:00 CST 2019, time=2019-05-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=366780, encodeId=dc1e366e80f9, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160304/IMG56D94856B1B5D6405.jpg, createdBy=27931687771, createdName=一个字-牛, createdTime=Sat May 25 22:17:26 CST 2019, time=2019-05-25, status=1, ipAttribution=)]
    2019-05-27 liuyiping
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    2019-05-26 肿肿

    NSCLC下一步突破在于新靶点了,靶向治疗和免疫治疗基本见顶了,再有新的就需要新机制了

    0

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    2019-05-25 一个字-牛

    学习了谢谢分享

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