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Br J Cancer:TARGIT-IORT(乳腺癌肿块切除术中靶向术中放疗)的随机临床试验研究

2021-05-27 xiaozeng MedSci原创

大多数的乳腺癌患者一般适合进行保乳手术和辅助放疗的治疗,而非全乳切除术。对于早期乳腺癌患者,辅助放疗的部位可能仅限于肿瘤灶位(tumour bed),且在保乳手术(肿块切除术)中可立即进行辅助治疗。因

大多数的乳腺癌患者一般适合进行保乳手术和辅助放疗的治疗,而非全乳切除术。对于早期乳腺癌患者,辅助放疗的部位可能仅限于肿瘤灶位(tumour bed),且在保乳手术(肿块切除术)中可立即进行辅助治疗。因此,研究人员提出了TARGeted术中放疗(TARGIT-IORT)的概念。

TARGIT-IORT试验旨在实现准确定位和快速形成的肿瘤灶位放疗策略,其仅集中于目标组织,使正常组织和器官(如心脏、肺、皮肤和胸壁结构)免受不必要的和具有潜在破坏性的放射治疗。

研究人员设计了TARGIT-A随机试验,报告显示,乳腺癌肿块切除术中适应风险的靶向术中放疗(TARGIT-IORT)与全乳外束放疗(EBRT)一样有效。而该研究进行了进一步的详细分析。


在该研究中,共招募2298名妇女(≥45岁,浸润性导管癌≤3.5cm,cN0–N1期)进行随机研究。研究人员主要调查了肿瘤大小,分级,ER、PgR、HER2水平以及淋巴结状态对患者的局部无复发生存率的影响,以及局部复发对远端复发以及患者死亡率的影响。

森林图显示肿瘤亚组的局部无复发生存率和总生存率

结果显示,在每个肿瘤亚组中,TARGIT-IORT和EBRT之间的局部无复发生存率并无差异。与EBRT组不同的是,TARGIT-IORT组的局部复发率并不是较高的远端复发率或死亡风险的预测指标。


因此,研究人员建议在TARGIT-IORT治疗后推荐补充性EBRT的新预测工具。进一步的研究显示,即使在患者接受补充EBRT的情况下,TARGIT-IORT组的非乳腺癌死亡率也显著降低。

亚组分析各分级癌症患者的总生存率

总而言之,该研究结果揭示,在所有亚组中,TARGIT-IORT与EBRT治疗策略一样有效。与EBRT不同的是,TARGIT-IORT治疗后的局部复发具有较良好的预后。因此,TARGIT-IORT治疗策略可能具有潜在的治疗效果。


原始出处:

Vaidya, J.S., Bulsara, M., Baum, M. et al. New clinical and biological insights from the international TARGIT-A randomised trial of targeted intraoperative radiotherapy during lumpectomy for breast cancer. Br J Cancer (25 May 2021).

 

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    2021-05-29 cnxcy
  4. [GetPortalCommentsPageByObjectIdResponse(id=1661402, encodeId=f9db16614026e, content=<a href='/topic/show?id=5f119844112' target=_blank style='color:#2F92EE;'>#随机临床试验#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98441, encryptionId=5f119844112, topicName=随机临床试验)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fbb125274547, createdName=ms117281293605716, createdTime=Wed Jan 05 21:04:12 CST 2022, time=2022-01-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1877429, encodeId=dd2e18e742959, content=<a href='/topic/show?id=67c5319121e' target=_blank style='color:#2F92EE;'>#切除术#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=31912, encryptionId=67c5319121e, topicName=切除术)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=9d8a96, createdName=doctorzheng, createdTime=Thu Jun 03 05:04:12 CST 2021, time=2021-06-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1412053, encodeId=5ed4141205306, content=<a href='/topic/show?id=951b82e63ff' target=_blank style='color:#2F92EE;'>#肿块#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=70, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=82763, encryptionId=951b82e63ff, topicName=肿块)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c58f2824468, createdName=cnxcy, createdTime=Sat May 29 14:04:12 CST 2021, time=2021-05-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1039025, encodeId=07ea1039025e5, content=高质量研究,读起来真爽,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=114, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=肿瘤克星, createdTime=Fri May 28 02:04:12 CST 2021, time=2021-05-28, status=1, ipAttribution=)]
    2021-05-28 肿瘤克星

    高质量研究,读起来真爽,谢谢梅斯

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