Lancet Oncology:老年患早期乳腺癌术后建议辅助放疗

2015-01-28 MedSci MedSci原创

对于大多数老年女性早期乳腺癌患者来说,在保留乳房手术后的标准治疗方法是辅助全乳腺放疗以及辅助内分泌治疗。而来自英国爱丁堡大学肿瘤研究中心的Kunkler教授带领的研究小组,进行了一项3期随机对照临床试验,试图验证在在治疗5年局部复发风险较低的老年女性时,如果去除掉全乳腺放疗,是否能够产生良好的局部控制效果。本研究结果在线发表于2015年1月28日的the Lancet Oncology杂志上。

对于大多数老年女性早期乳腺癌患者来说,在保留乳房手术后的标准治疗方法是辅助全乳腺放疗以及辅助内分泌治疗。而来自英国爱丁堡大学肿瘤研究中心的Kunkler教授带领的研究小组,进行了一项3期随机对照临床试验,试图验证在在治疗5年局部复发风险较低的老年女性时,如果去除掉全乳腺放疗,是否能够产生良好的局部控制效果。本研究结果在线发表于2015年1月28日的the Lancet Oncology杂志上。

从2003年4月16日至2009年12月22日,该研究在4个国家的76个机构共招募了1326位65周岁以上的女性,经评估(例如:激素、受体阳性、腋下淋巴结阴性、T1-T2期且瘤体最长直径≤3cm、边缘清晰、肿瘤组织学或淋巴血管侵袭单项为3期,等)为低危早期乳腺癌。所有受试者此前接受过乳房保留手术,正接受辅助内分泌治疗。将符合条件的受试者通过计算机生成的置换区组随机化随机分为放疗组和无放疗组,通过各中心进行分层,区组长度为4。放疗组接受全乳腺放疗(40-50 Gy,分15-20次进行)。主要评估指标为同侧乳腺肿瘤复发。随访持续至最后一位受试患者结束治疗后10年止。通过意向治疗进行分析。

结果显示,共有658位女性在乳房保留手术后接受了辅助内分泌治疗以及全乳放疗,668位女性不接受放疗。在5年的中位随访期后(IQR 3•84–6•05),放疗组同侧乳腺肿瘤复发率为1.3 %(95% CI 0•2–2•3; n=5);无放疗组为4.1 %(2•4–5•7; n=26)。两组相比,放疗的乳腺肿瘤复发单因素风险比为5.19(95% CI 1•99–13•52; p=0•0007)。两组间局部复发、远端转移、侧乳腺癌或新发乳腺癌等无差异。两组的5年整体生存率为93.9 %(95% CI 91•8–96•0, p=0.34)。共89位受试者死亡,其中放疗组40人,无放疗组49人。放疗组中4人、无放疗组中8人死于乳腺癌。

通过随机化试验5年后的结果,研究人员得出结论:65岁以上的女性如果患有早期乳腺癌,在保留乳房手术后进行全乳放疗以及辅助内分泌疗法可以使肿瘤的局部控制能力明显上升。但是,同侧乳腺肿瘤的5年复发率很低,因此,对部分患者来说可以考虑术后不使用放疗。

本临床试验注册号为:ISRCTN95889329

原始出处

lan H Kunkler,Linda J Williams,Wilma J L Jack.et.al.Breast-conserving surgery with or without irradiation in women aged 65 years or older with early breast cancer (PRIME II): a randomised controlled trial.The Lancet Oncology.2014

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1674349, encodeId=662916e43491a, content=<a href='/topic/show?id=e8aa13359b1' target=_blank style='color:#2F92EE;'>#Oncology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13359, encryptionId=e8aa13359b1, topicName=Oncology)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cb7226973259, createdName=circumcision, createdTime=Thu May 07 22:24:00 CST 2015, time=2015-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864596, encodeId=464d1864596f9, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Sun Apr 12 22:24:00 CST 2015, time=2015-04-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1827987, encodeId=1bdd182e9872a, 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 Dec 20 13:24:00 CST 2015, time=2015-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1568304, encodeId=807e156830415, content=<a href='/topic/show?id=f5d69368591' target=_blank style='color:#2F92EE;'>#辅助放疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93685, encryptionId=f5d69368591, topicName=辅助放疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=135c15357385, createdName=xuyu, createdTime=Fri Jan 30 08:24:00 CST 2015, time=2015-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14798, encodeId=a25d14e9804, content=值得借鉴, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=180.213.53.**, createdTime=Wed Jan 28 23:30:00 CST 2015, time=2015-01-28, status=1, ipAttribution=)]
    2015-04-12 minlingfeng
  3. [GetPortalCommentsPageByObjectIdResponse(id=1674349, encodeId=662916e43491a, content=<a href='/topic/show?id=e8aa13359b1' target=_blank style='color:#2F92EE;'>#Oncology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13359, encryptionId=e8aa13359b1, topicName=Oncology)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cb7226973259, createdName=circumcision, createdTime=Thu May 07 22:24:00 CST 2015, time=2015-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864596, encodeId=464d1864596f9, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Sun Apr 12 22:24:00 CST 2015, time=2015-04-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1827987, encodeId=1bdd182e9872a, 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 Dec 20 13:24:00 CST 2015, time=2015-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1568304, encodeId=807e156830415, content=<a href='/topic/show?id=f5d69368591' target=_blank style='color:#2F92EE;'>#辅助放疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93685, encryptionId=f5d69368591, topicName=辅助放疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=135c15357385, createdName=xuyu, createdTime=Fri Jan 30 08:24:00 CST 2015, time=2015-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14798, encodeId=a25d14e9804, content=值得借鉴, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=180.213.53.**, createdTime=Wed Jan 28 23:30:00 CST 2015, time=2015-01-28, status=1, ipAttribution=)]
    2015-12-20 howi
  4. [GetPortalCommentsPageByObjectIdResponse(id=1674349, encodeId=662916e43491a, content=<a href='/topic/show?id=e8aa13359b1' target=_blank style='color:#2F92EE;'>#Oncology#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13359, encryptionId=e8aa13359b1, topicName=Oncology)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cb7226973259, createdName=circumcision, createdTime=Thu May 07 22:24:00 CST 2015, time=2015-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1864596, encodeId=464d1864596f9, content=<a href='/topic/show?id=16ce133504e' target=_blank style='color:#2F92EE;'>#Oncol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13350, encryptionId=16ce133504e, topicName=Oncol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b63894, createdName=minlingfeng, createdTime=Sun Apr 12 22:24:00 CST 2015, time=2015-04-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1827987, encodeId=1bdd182e9872a, 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 Dec 20 13:24:00 CST 2015, time=2015-12-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1568304, encodeId=807e156830415, content=<a href='/topic/show?id=f5d69368591' target=_blank style='color:#2F92EE;'>#辅助放疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93685, encryptionId=f5d69368591, topicName=辅助放疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=135c15357385, createdName=xuyu, createdTime=Fri Jan 30 08:24:00 CST 2015, time=2015-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=14798, encodeId=a25d14e9804, content=值得借鉴, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=180.213.53.**, createdTime=Wed Jan 28 23:30:00 CST 2015, time=2015-01-28, status=1, ipAttribution=)]
    2015-01-30 xuyu
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    2015-01-28 180.213.53.**

    值得借鉴

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除了女性性别,年龄增长是最大的乳腺癌危险因素。增加内源性雌激素水平的生殖因素,如初潮早、绝经晚,绝经后使用结合雌孕激素增加风险。未育和饮酒也与风险增加有关。 乳腺癌家族史或个人病史有浸润性乳腺癌、导管原位癌或小叶原位癌,或乳房活检史显示良性增生性疾病增加乳腺癌风险。 乳房密度增加也使乳腺癌的风险增加。它通常是一个遗传的特质,但也经常见于无育、晚育、绝经后使用激素治疗和饮酒的女性。

Nature Communicaiton:通过HIF-1抑制乳腺癌转移新策略

近日,国际期刊Nature Communication在线发表了日本科学家的一项最新研究成果,发现泛素C端水解酶L1(UCHL1)能够作为HIF-1a的去泛素化酶促进肿瘤转移,表明或许可以利用UCHL1作为肿瘤转移诊断标记和癌症治疗靶点。   HIF-1在肿瘤中转移过程中发挥重要作用,但能够激活HIF-1并进一步促进肿瘤转移的基因仍没有得到鉴定。研究人员发现UCHL1能够减弱VH