Lancet Oncol:阿法替尼未改善EGFR突变阳性肺腺癌患者总生存

2015-01-14 黄蕾蕾 中国医学论坛报

研究目的通过对两项非盲、随机、Ⅲ期试验的数据分析,评估阿法替尼(afatinib)对EGFR突变阳性肺腺癌患者总生存(OS)的影响。研究方法研究纳入未经治疗的EGFR突变阳性ⅢB或Ⅳ期肺腺癌患者,其中LUX-Lung 3队列345例,LUX-Lung 6队列364例。按2:1随机分配予以阿法替尼或化疗(LUX-Lung 3:培美曲塞+顺铂;LUX-Lung 6:吉西他滨+顺铂),根据EGFR突变类

研究目的


通过对两项非盲、随机、Ⅲ期试验的数据分析,评估阿法替尼(afatinib)对EGFR突变阳性肺腺癌患者总生存(OS)的影响。

研究方法

研究纳入未经治疗的EGFR突变阳性ⅢB或Ⅳ期肺腺癌患者,其中LUX-Lung 3队列345例,LUX-Lung 6队列364例。按2:1随机分配予以阿法替尼或化疗(LUX-Lung 3:培美曲塞+顺铂;LUX-Lung 6:吉西他滨+顺铂),根据EGFR突变类型(del19,Leu858Arg或其他)和人种来源(仅在LUX-Lung 3队列)分层。在出现209例(LUX-Lung 3)和237例(LUX-Lung 6)死亡时对意向性人群的总生存(OS)数据设计了分析。

研究结果

LUX-Lung 3和LUX-Lung 6队列的中位随访时间分别为41个月[四份位间距(IQR):35~44个月]和33个月(IQR:31~37个月),死亡数213例(62%)和246例(68%)。

LUX-Lung 3队列中,阿法替尼组和化疗(培美曲塞+顺铂)组的中位OS期分别为28.2个月(95%CI:24.6~33.6)、28.2个月(20.7~33.2),风险比(HR)为0.88(0.66~1.17,P=0.39)。LUX-Lung 6队列中,阿法替尼组和化疗(吉西他滨+顺铂)组的中位OS期分别为23.1个月(20.4~27.3)、23.5个月(18.0~25.6),HR为0.93(0.72~1.22,P=0.61)。

然而,在预先计划的分析中,del19阳性肿瘤患者的OS在两项研究中均为阿法替尼组显著长于化疗组:LUX-Lung 3队列中,阿法替尼组和化疗组的中位OS期分别为33.3个月(26.8~41.5)、21.2个月(16.3~30.7),HR为0.54(0.36~0.79,P=0.0015);LUX-Lung 6队列中,阿法替尼组和化疗组的中位OS期分别为31.4个月(24.2~35.3)、18.4个月(14.6~25.6),HR为0.64(0.44~0.94,P=0.023)。与之相反的是,EGFR Leu858Arg阳性肿瘤患者在两项研究中阿法替尼组和化疗组间无显著差异:LUX-Lung 3队列中,阿法替尼组和化疗组的中位OS期分别为27.6个月(19.8~41.7)、40.3个月(24.3~上限未估计),HR为1.30(0.80~2.11,P=0.29);LUX-Lung 6队列中,阿法替尼组和化疗组的中位OS期分别为19.6个月(17.0~22.1)、24.3个月(19.0~27.0),HR为1.22(0.81~1.83,P=0.34)。

不良反应

两项研究中,最常见的阿法替尼相关3~4级不良反应有皮疹或痤疮[LUX-Lung 3,33例(16%);LUX-Lung 6,35例(15%)],腹泻[33例(14%),13例(5%)],甲沟炎[26例(11%),仅见于LUX-Lung 3队列],口腔炎或黏膜炎[13例(5%),仅见于LUX-Lung 6队列]。LUX-Lung 3队列中,最常见的化疗相关3~4级不良反应有中性粒细胞减少[20例(18%)]、乏力[14例(13%)]和白细胞减少[9例(8%)];而在LUX-Lung 6队列中,最常见的是中性粒细胞减少[30例(27%)]、呕吐[22例(19%)]和白细胞减少[17例(15%)]。

研究结论

尽管阿法替尼并未改善两项研究总人群的OS,但其延长了del19 EGFR突变患者的OS。阿法替尼对Leu858Arg EGFR突变患者无效的结果提示,EGFR的del19突变与Leu858Arg突变所致疾病间存在差异,在未来的研究中应分别分析这两个亚群。

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    2015-08-06 minlingfeng
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    2015-06-28 howi
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  5. [GetPortalCommentsPageByObjectIdResponse(id=1864588, encodeId=4d3c18645884f, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Thu Aug 06 10:05:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1827973, encodeId=5ff1182e973b7, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Sun Jun 28 23:05:00 CST 2015, time=2015-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1803532, encodeId=43111803532fb, content=<a href='/topic/show?id=0b3fe551971' target=_blank style='color:#2F92EE;'>#突变阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75519, encryptionId=0b3fe551971, topicName=突变阳性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Tue Nov 17 13:05:00 CST 2015, time=2015-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1785084, encodeId=57541e85084dc, content=<a href='/topic/show?id=0b4f65992c' target=_blank style='color:#2F92EE;'>#EGFR突变阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6599, encryptionId=0b4f65992c, topicName=EGFR突变阳性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Tue May 12 09:05:00 CST 2015, time=2015-05-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14445, encodeId=a17b14445cf, content=靶向治疗基本到PFS为止, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=223.104.3.**, createdTime=Fri Jan 16 22:09:00 CST 2015, time=2015-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14444, encodeId=1fa81444487, content=OS很难提高!, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=223.104.3.**, createdTime=Fri Jan 16 22:08:00 CST 2015, time=2015-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534264, encodeId=46e7153426457, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, 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=Fri Jan 16 12:05:00 CST 2015, time=2015-01-16, status=1, ipAttribution=)]
    2015-01-16 223.104.3.**

    靶向治疗基本到PFS为止

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1864588, encodeId=4d3c18645884f, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Thu Aug 06 10:05:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1827973, encodeId=5ff1182e973b7, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Sun Jun 28 23:05:00 CST 2015, time=2015-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1803532, encodeId=43111803532fb, content=<a href='/topic/show?id=0b3fe551971' target=_blank style='color:#2F92EE;'>#突变阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75519, encryptionId=0b3fe551971, topicName=突变阳性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Tue Nov 17 13:05:00 CST 2015, time=2015-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1785084, encodeId=57541e85084dc, content=<a href='/topic/show?id=0b4f65992c' target=_blank style='color:#2F92EE;'>#EGFR突变阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6599, encryptionId=0b4f65992c, topicName=EGFR突变阳性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Tue May 12 09:05:00 CST 2015, time=2015-05-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14445, encodeId=a17b14445cf, content=靶向治疗基本到PFS为止, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=223.104.3.**, createdTime=Fri Jan 16 22:09:00 CST 2015, time=2015-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14444, encodeId=1fa81444487, content=OS很难提高!, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=223.104.3.**, createdTime=Fri Jan 16 22:08:00 CST 2015, time=2015-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534264, encodeId=46e7153426457, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, 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=Fri Jan 16 12:05:00 CST 2015, time=2015-01-16, status=1, ipAttribution=)]
    2015-01-16 223.104.3.**

    OS很难提高!

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1864588, encodeId=4d3c18645884f, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Thu Aug 06 10:05:00 CST 2015, time=2015-08-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1827973, encodeId=5ff1182e973b7, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Sun Jun 28 23:05:00 CST 2015, time=2015-06-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1803532, encodeId=43111803532fb, content=<a href='/topic/show?id=0b3fe551971' target=_blank style='color:#2F92EE;'>#突变阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=75519, encryptionId=0b3fe551971, topicName=突变阳性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Tue Nov 17 13:05:00 CST 2015, time=2015-11-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1785084, encodeId=57541e85084dc, content=<a href='/topic/show?id=0b4f65992c' target=_blank style='color:#2F92EE;'>#EGFR突变阳性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6599, encryptionId=0b4f65992c, topicName=EGFR突变阳性)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/pSGl6CJeZ2PzWxdhCtrvv4U9Q281RV8e0AKmlB5ib93DibbiaRyOzmkCdz5F04cbfX5RGOpG4dOXvuQW1fumibVeBg/132, createdBy=fc342500110, createdName=ms9833124466084992, createdTime=Tue May 12 09:05:00 CST 2015, time=2015-05-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14445, encodeId=a17b14445cf, content=靶向治疗基本到PFS为止, beContent=null, objectType=article, channel=null, level=null, likeNumber=98, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=223.104.3.**, createdTime=Fri Jan 16 22:09:00 CST 2015, time=2015-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14444, encodeId=1fa81444487, content=OS很难提高!, beContent=null, objectType=article, channel=null, level=null, likeNumber=97, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=223.104.3.**, createdTime=Fri Jan 16 22:08:00 CST 2015, time=2015-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1534264, encodeId=46e7153426457, content=<a href='/topic/show?id=22b3e9887e' target=_blank style='color:#2F92EE;'>#GFR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, 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=Fri Jan 16 12:05:00 CST 2015, time=2015-01-16, status=1, ipAttribution=)]
    2015-01-16 liuyiping

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