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NEJM:EGFR T790M阳性的肺癌患者该如何选择治疗方案呢?

2016-12-06 xing.T MedSci原创

对于T790M阳性的晚期非小细胞肺癌(包括那些有中枢神经系统转移)并且使用一线EGFR-TKI治疗期间疾病任然进展的患者,Osimertinib比铂类药物加上培美曲塞治疗的疗效更加显著。

osimertinib是一种表皮生长因子受体酪氨酸激酶抑制剂(EGFR-TKI),选择性的用于EGFR-TKI敏感和T790M耐药突变的非小细胞肺癌患者。但是相比于以铂类药物为基础加上培美曲塞的治疗方案,osimertinib在此类患者中的疗效仍是未知。近日,顶级医学期刊NEJM上发表了一篇研究文章,旨在评估osimertinib在此类患者中的疗效。


在这项国际间公开分组的3期随机试验中,研究者纳入了419例T790M阳性的晚期非小细胞肺癌患者,这些患者在使用一线EGFR-TKI治疗后疾病仍然发生进展,以2:1的比例接受口服osimertinib (剂量为80 mg,每日一次)或静脉注射培美曲塞(500mg/m2体表面积)加入卡铂(目标曲线下面积为5 [AUC5])或顺铂(75mg/m2体表面积),每3周一次,共计六个周期;允许使用培美曲塞来维持治疗。所有患者在接受一线EGFR-TKI治疗时,病情发生进展。主要终点事件为研究者评估的无进展生存期。

相比于铂类药物加上培美曲塞治疗,用osimertinib治疗的患者中位无进展生存期明显延长(10.1个月 vs. 4.4个月;风险比为0.30;95%可信区间可信区间为0.23-0.41;P<0.001)。并且用osimertinib治疗的患者客观反应率(71%;95%可信区间为65-76%)明显好于铂类药物加上培美曲塞治疗的患者(31%;95%可信区间为24-40%)(客观反应率比值为5.39;95%可信区间为3.47-8.48;P<0.001)。在144例病灶转移到中枢神经系统患者中,相比于铂类药物加上培美曲塞治疗,用osimertinib治疗的患者中位无进展生存期较长(8.5个月 vs. 4.2个月;风险比为0.32;95%可信区间为0.21-0.49)。相比于铂类药物加上培美曲塞治疗的患者(47%),用osimertinib治疗的患者发生3级以上不良事件的患者比例较低(23%)。

由此可见,对于T790M阳性的晚期非小细胞肺癌(包括那些有中枢神经系统转移)并且使用一线EGFR-TKI治疗期间疾病任然进展的患者,Osimertinib比铂类药物加上培美曲塞治疗的疗效更加显著。

原始出处:


Tony S. Mok,et al. Osimertinib or Platinum–Pemetrexed in EGFR T790M–Positive
Lung Cancer
. NEJM, December 6, 2016.

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    2017-01-04 zhlpower
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    2016-12-10 shanhaiwq1983

    谢谢,学习了!

    0

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    2016-12-08 liuyiping
  6. [GetPortalCommentsPageByObjectIdResponse(id=1904974, encodeId=360119049e4d7, content=<a href='/topic/show?id=21f66464823' target=_blank style='color:#2F92EE;'>#治疗方案#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64648, encryptionId=21f66464823, topicName=治疗方案)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5ee4187, createdName=zhangjiqing, createdTime=Wed Apr 19 13:38:00 CST 2017, time=2017-04-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1795248, encodeId=0c6c1e9524855, content=<a href='/topic/show?id=98f91e05925' target=_blank style='color:#2F92EE;'>#T790M#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17059, encryptionId=98f91e05925, topicName=T790M)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c838337, createdName=zhlpower, createdTime=Wed Jan 04 17:38:00 CST 2017, time=2017-01-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1990570, encodeId=24a119905e0e3, content=<a href='/topic/show?id=5739822223f' target=_blank style='color:#2F92EE;'>#肺癌患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=82222, encryptionId=5739822223f, topicName=肺癌患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f612331, createdName=gds2009, createdTime=Fri Jul 28 19:38:00 CST 2017, time=2017-07-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=161739, encodeId=5989161e390d, content=谢谢,学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=137, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a9078179, createdName=shanhaiwq1983, createdTime=Sat Dec 10 15:27:11 CST 2016, time=2016-12-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534291, encodeId=7070153429143, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, 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=Thu Dec 08 08:38:00 CST 2016, time=2016-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160871, encodeId=44661608e1a0, content=在144例病灶转移到中枢神经系统患者中,相比于铂类药物加上培美曲塞治疗,用osimertinib治疗的患者中位无进展生存期较长, beContent=null, objectType=article, channel=null, level=null, likeNumber=110, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4bfa83595, createdName=jetleo, createdTime=Wed Dec 07 09:24:04 CST 2016, time=2016-12-07, status=1, ipAttribution=)]
    2016-12-07 jetleo

    在144例病灶转移到中枢神经系统患者中,相比于铂类药物加上培美曲塞治疗,用osimertinib治疗的患者中位无进展生存期较长

    0

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