JAMA ONCOL:直肠癌新辅助治疗完全缓解后是否仍需辅助化疗

2018-04-24 MedSci MedSci原创

指南推荐晚期直肠癌患者接受辅助化疗,但是接受新辅助治疗后病理完全缓解(pCR)的患者与未完全缓解的患者相比接受辅助化疗的可能性更小。pCR患者接受辅助化疗对生存的影响尚不清楚。JAMA ONCOL近期发表了一篇文章,研究新辅助放化疗和切除后达到pCR的晚期直肠癌患者接受辅助化疗是否有额外获益。

指南推荐晚期直肠癌患者接受辅助化疗,但是接受新辅助治疗后病理完全缓解(pCR)的患者与未完全缓解的患者相比接受辅助化疗的可能性更小。pCR患者接受辅助化疗对生存的影响尚不清楚。JAMA ONCOL近期发表了一篇文章,研究新辅助放化疗和切除后达到pCR的晚期直肠癌患者接受辅助化疗是否有额外获益。

作者分析了2006年至2012年间晚期直肠癌患者数据,挑选出了新辅助治疗和切除后达到pCR的无转移的直肠癌患者。将接受辅助化疗的患者和未接受辅助化疗的患者按1:1进行配对。并根据治疗前淋巴结阳性或阴性进行配对以研究治疗前淋巴结状态的影响。最终发现2455例接受新辅助放化疗和切除后达到pCR的直肠癌患者。667例达到pCR并接受辅助化疗的患者与达到pCR未接受辅助治疗的患者进行配对。总中位随访时间为3.1年,接受辅助化疗的患者总生存优于未接受辅助化疗的患者。当根据治疗前淋巴结状态进行分层时,只有治疗前淋巴结阳性的患者接受辅助化疗可以改善总生存情况。

文章最后认为,直肠癌患者达到pCR后接受辅助化疗与总生存改善有关,尤其是治疗前淋巴结阳性的患者。尽管该研究认为辅助治疗对达到pCR的患者有临床获益,但该结果由于存在潜在的混杂变量而受到限制。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1642453, encodeId=fa3c1642453e9, content=<a href='/topic/show?id=842f458e61f' target=_blank style='color:#2F92EE;'>#完全缓解#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=45876, encryptionId=842f458e61f, topicName=完全缓解)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8b5d22942638, createdName=小小小向日葵, createdTime=Sat May 12 18:44:00 CST 2018, time=2018-05-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1678561, encodeId=e7a916e85612c, content=<a href='/topic/show?id=110c5869153' target=_blank style='color:#2F92EE;'>#新辅助#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58691, encryptionId=110c5869153, topicName=新辅助)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=941f27706894, createdName=charl1234576, createdTime=Wed Sep 26 10:44:00 CST 2018, time=2018-09-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1865423, encodeId=8f4b186542304, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Tue Dec 11 00:44:00 CST 2018, time=2018-12-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=308962, encodeId=628730896261, content=不错的文章值得推荐, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Tue Apr 24 22:51:28 CST 2018, time=2018-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=308948, encodeId=ad4d308948b8, content=了解一下.谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Tue Apr 24 22:43:40 CST 2018, time=2018-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=308946, encodeId=064530894626, content=不错的文章值得拥有, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=eff51996281, createdName=1e1b8538m79(暂无匿称), createdTime=Tue Apr 24 22:34:31 CST 2018, time=2018-04-24, status=1, ipAttribution=)]
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    2018-12-11 minlingfeng
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    2018-04-24 131****2916

    不错的文章值得推荐

    0

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    2018-04-24 天地飞扬

    了解一下.谢谢分享!

    0

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    2018-04-24 1e1b8538m79(暂无匿称)

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