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JAMA Oncol:延期的非小细胞肺癌的术后辅助化疗依然有效

2017-01-17 MedSci MedSci原创

肺癌是一种发病率较高的恶性肿瘤,手术是唯一能够治愈的治疗办法,但是即使手术后,肺癌的长期生存率也不理想。因此,对于可手术切除的早中期(I-IIIA)非小细胞肺癌(NSCLC)的治疗,有了术后辅助治疗和术前新辅助治疗。术前新辅助治疗目的为抑制肿瘤原发病灶,杀灭可能存在的微小转移灶,降低术中肿瘤生长因子的释放。术后辅助治疗的原理为根治术后的NSCLC患者可能存在微小转移灶进而出现远处转移的风险,术后治

肺癌是一种发病率较高的恶性肿瘤,手术是唯一能够治愈的治疗办法,但是即使手术后,肺癌的长期生存率也不理想。因此,对于可手术切除的早中期(I-IIIA)非小细胞肺癌(NSCLC)的治疗,有了术后辅助治疗和术前新辅助治疗。术前新辅助治疗目的为抑制肿瘤原发病灶,杀灭可能存在的微小转移灶,降低术中肿瘤生长因子的释放。术后辅助治疗的原理为根治术后的NSCLC患者可能存在微小转移灶进而出现远处转移的风险,术后治疗的目的就是消灭这些微小转移灶。

术后的辅助化疗为NSCLC提供了生存获益。但肺癌手术患者的术后恢复情况不同,这将对患者的辅助化疗产生影响,然而延迟的术后辅助治疗的影响还未明确。最新一期的JAMA Oncol上刊登了一项研究,该研究根据患者接受非小细胞肺癌切除术到术后辅助治疗的时间间隔评估了生存差异,进而确定辅助治疗时机与疗效之间的关系。

来自美国的研究团队对在2004.1-2012.12间接受术后(18-127天)联合化疗的完全切除的NSCLC患者进行了一项回顾性研究,这些患者均为首次接受肺癌切除手术。研究人群被限制为:淋巴结转移患者,肿瘤≥4厘米,或局部扩展。患者来自美国国家癌症数据库。采用限制三次样条Cox回归模型评估联辅助化疗的开始与时间间隔及生存之间的联系。

通过研究,研究人员在总共12473例(中位年龄 [四分位差],64[ 57-70 ]岁)患者中发现:3073例患者(占比25%)处于I期;5981例(48%)例患者处于II期;3419例(27%)患者处于III期。

限制三次样条Cox回归模型发现:术后50天开始化疗的死亡率最低(95% CI,39-56天)。此时间间隔后开始的化疗(57-127天;即后来的队列)没有增加死亡率(风险比[HR],1.037;95% CI,0.972-1.105;P = 0.27)。此外,在3976个倾向配对Cox模型中,在术后进行化疗的患者的死亡率比那些仅采用手术治疗的患者要低(HR,0.664;95% CI,0.623-0.707;P <0.001)。

通过对在美国国家癌症数据库的分析研究,研究人员认为,在非小细胞肺癌切除术后7~18周后开始辅助化疗是有效的。非小细胞肺癌手术后恢复较慢的患者仍有可能从术后4个月才启动的辅助化疗中获益。

原始出处:

Salazar MC,Rosen JE,et al.Association of Delayed Adjuvant Chemotherapy With Survival After Lung Cancer Surgery.JAMA Oncol. 2017 Jan 5. doi: 10.1001/jamaoncol.2016.5829.

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    2017-11-30 minlingfeng
  2. [GetPortalCommentsPageByObjectIdResponse(id=1864848, encodeId=02bc18648486f, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, 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 Nov 30 04:55:00 CST 2017, time=2017-11-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2059576, encodeId=d3db20595e660, content=<a href='/topic/show?id=2cc599381bd' target=_blank style='color:#2F92EE;'>#非小细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=99381, encryptionId=2cc599381bd, topicName=非小细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e07307, createdName=lingaifan, createdTime=Wed Feb 22 18:55:00 CST 2017, time=2017-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=171568, encodeId=3d3e1e156857, content=很好,不错,以后会多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=124, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzUn81b5CF5ibVPib8jWI92iciaxmqGHlwruOnK4SVZykd4iahqo1hicklIibyZoxm55X7EM8BW9eX1h1hQ2/0, createdBy=8aa81937526, createdName=李东泽, createdTime=Fri Jan 20 10:49:06 CST 2017, time=2017-01-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=171392, encodeId=9b001e139263, content=反过来问,为什么会没效呢?, beContent=null, objectType=article, channel=null, level=null, likeNumber=144, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fd1163412, createdName=smh8031, createdTime=Thu Jan 19 17:24:16 CST 2017, time=2017-01-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=171216, encodeId=1fbb1e1216b4, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=114, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Wed Jan 18 23:19:01 CST 2017, time=2017-01-18, status=1, ipAttribution=)]
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    2017-01-20 李东泽

    很好,不错,以后会多学习

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1864848, encodeId=02bc18648486f, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, 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 Nov 30 04:55:00 CST 2017, time=2017-11-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2059576, encodeId=d3db20595e660, content=<a href='/topic/show?id=2cc599381bd' target=_blank style='color:#2F92EE;'>#非小细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=99381, encryptionId=2cc599381bd, topicName=非小细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e07307, createdName=lingaifan, createdTime=Wed Feb 22 18:55:00 CST 2017, time=2017-02-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=171568, encodeId=3d3e1e156857, content=很好,不错,以后会多学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=124, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzUn81b5CF5ibVPib8jWI92iciaxmqGHlwruOnK4SVZykd4iahqo1hicklIibyZoxm55X7EM8BW9eX1h1hQ2/0, createdBy=8aa81937526, createdName=李东泽, createdTime=Fri Jan 20 10:49:06 CST 2017, time=2017-01-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=171392, encodeId=9b001e139263, content=反过来问,为什么会没效呢?, beContent=null, objectType=article, channel=null, level=null, likeNumber=144, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fd1163412, createdName=smh8031, createdTime=Thu Jan 19 17:24:16 CST 2017, time=2017-01-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=171216, encodeId=1fbb1e1216b4, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=114, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Wed Jan 18 23:19:01 CST 2017, time=2017-01-18, status=1, ipAttribution=)]
    2017-01-19 smh8031

    反过来问,为什么会没效呢?

    0

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    2017-01-18 doctorJiangchao

    继续学习

    0

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