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Lancet:陈明远教授团队发现复发鼻咽癌再程放疗新标准

2023-12-24 MedSci原创 MedSci原创 发表于上海

与常规分割调强放疗相比,超分割调强放疗技术显著减少复发鼻咽癌患者再程放疗的晚期毒性反应,提高患者的总生存率和生活质量,有望改变临床实践,为这一类难治的鼻咽癌患者群体提供一个更安全有效的标准治疗手段。

鼻咽癌是具有明显的地区流行性的肿瘤,全球约47%的病例发生在我国,其中广东、广西等地尤为高发,严重威胁华南地区人民的生命健康。放疗是鼻咽癌最关键的根治性治疗手段。然而,在根治性放疗后约10%-20%患者会出现局部复发。对于既往复发鼻咽癌患者再次进行放疗,往往会产生严重的毒副反应,从而抵消了放疗的整体效益。

发表在Lancet杂志的一项研究,旨在评估超分割调强放疗与常规分割调强放疗相比治疗局晚期复发鼻咽癌的疗效和安全性。

这项多中心、随机、开放标签的III期试验在中国广州的三个中心进行。符合条件的患者年龄在18-65岁之间,经组织病理学证实患有未分化或已分化、非角化、晚期局部复发性鼻咽癌。患者被随机分配(1:1)接受超分割放疗和标准分割组。超分割放疗:65Gy/54次,1.2Gy/次,2/日,两次放疗间隔≥6小时。标准分割:60Gy/27次,2.2Gy/次,1/日;两组均采用调强放疗技术;放疗前患者可接受GPDP方案诱导化疗。

该研究主要终点是严重晚期并发症的发生率和总生存率,前者定义为放疗结束后3个月至最近一次随访期间安全人群中发生的3级或更严重晚期放射诱导并发症的发生率,后者定义为意向治疗人群中从随机分配到因任何原因死亡的时间间隔。

结果显示,2015710日至20191223日期间,共筛选出178名符合条件的患者,其中144名患者入选并被随机分配至超分割放疗组(72例)(每日2次低剂量放疗,共54次)和常规分割放疗组(72例)(每日1次常规剂量放疗,共27次)。

中位随访时间为45个月(IQR37.3~53.3),超分割组与标准分割组)相比,3级以上严重晚期毒性发生率从57%降低到34%。其中,鼻咽坏死19% vs 32%)、鼻咽大出血(7% vs 21%)、颞叶坏死(10% vs 26%)发生率均显著降低。超分割组患者的3年总生存率高于标准分割组,分别为74.6%55.0%。此外,超分割组的 5 级晚期并发症发生率显著降低,包括鼻咽坏死(19% vs 32%)、鼻咽大出血(7% vs 21%)、颞叶坏死(10% vs 26%)。

综上,该研究证实,与常规分割调强放疗相比,超分割调强放疗技术显著减少复发鼻咽癌患者再程放疗的晚期毒性反应,提高患者的总生存率和生活质量,有望改变临床实践,为这一类难治的鼻咽癌患者群体提供一个更安全有效的标准治疗手段。

原始出处

You R, Liu YP, Xie YL, Lin C, Duan CY, Chen DP, Pan Y, Qi B, Zou X, Guo L, Cao JY, Zhang YN, Wang ZQ, Liu YL, Ouyang YF, Wen K, Yang Q, Xie RQ, Li HF, Duan XT, Ding X, Peng L, Chen SY, Liang JL, Feng ZK, Xia TL, Xie RL, Jiang R, Gu CM, Liu RZ, Sun R, Yang X, Liu LZ, Ling L, Liu Q, Ng WT, Hua YJ, Huang PY, Chen MY. Hyperfractionation compared with standard fractionation in intensity-modulated radiotherapy for patients with locally advanced recurrent nasopharyngeal carcinoma: a multicentre, randomised, open-label, phase 3 trial. Lancet. 2023 Mar 18;401(10380):917-927. doi: 10.1016/S0140-6736(23)00269-6. Epub 2023 Feb 23. PMID: 36842439.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=2176902, encodeId=eae921e69022f, content=<a href='/topic/show?id=c2c24259945' target=_blank style='color:#2F92EE;'>#复发鼻咽癌#</a> <a href='/topic/show?id=15381090e44e' target=_blank style='color:#2F92EE;'>#超分割调强放疗#</a> <a href='/topic/show?id=1fa71090e54d' target=_blank style='color:#2F92EE;'>#常规分割调强放疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42599, encryptionId=c2c24259945, topicName=复发鼻咽癌), TopicDto(id=109075, encryptionId=1fa71090e54d, topicName=常规分割调强放疗), TopicDto(id=109074, encryptionId=15381090e44e, topicName=超分割调强放疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cade5395722, createdName=梅斯管理员, createdTime=Sun Dec 24 20:32:50 CST 2023, time=2023-12-24, status=1, ipAttribution=上海), GetPortalCommentsPageByObjectIdResponse(id=2176951, encodeId=f7d421e695123, content=不错不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cba75680990, createdName=ms7000002137376829, createdTime=Sun Dec 24 23:31:42 CST 2023, time=2023-12-24, status=1, ipAttribution=北京), GetPortalCommentsPageByObjectIdResponse(id=2176973, encodeId=cd8621e697394, content=不错,学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210606/e8b96fdba070433da10cd357c0646807/28bf16f46e314caaad8396c0c7df7a04.jpg, createdBy=adb15496357, createdName=仁术2021, createdTime=Mon Dec 25 07:19:38 CST 2023, time=2023-12-25, status=1, ipAttribution=吉林省), GetPortalCommentsPageByObjectIdResponse(id=2176971, encodeId=57a421e6971cc, content=鼻咽癌是具有明显的地区流行性的肿瘤, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d3d3015017, createdName=jshbyywk2008, createdTime=Mon Dec 25 07:01:42 CST 2023, time=2023-12-25, status=1, ipAttribution=河北省)]
    2023-12-24 ms7000002137376829 来自北京

    不错不错

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=2176902, encodeId=eae921e69022f, content=<a href='/topic/show?id=c2c24259945' target=_blank style='color:#2F92EE;'>#复发鼻咽癌#</a> <a href='/topic/show?id=15381090e44e' target=_blank style='color:#2F92EE;'>#超分割调强放疗#</a> <a href='/topic/show?id=1fa71090e54d' target=_blank style='color:#2F92EE;'>#常规分割调强放疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=42599, encryptionId=c2c24259945, topicName=复发鼻咽癌), TopicDto(id=109075, encryptionId=1fa71090e54d, topicName=常规分割调强放疗), TopicDto(id=109074, encryptionId=15381090e44e, topicName=超分割调强放疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cade5395722, createdName=梅斯管理员, createdTime=Sun Dec 24 20:32:50 CST 2023, time=2023-12-24, status=1, ipAttribution=上海), GetPortalCommentsPageByObjectIdResponse(id=2176951, encodeId=f7d421e695123, content=不错不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=cba75680990, createdName=ms7000002137376829, createdTime=Sun Dec 24 23:31:42 CST 2023, time=2023-12-24, status=1, ipAttribution=北京), GetPortalCommentsPageByObjectIdResponse(id=2176973, encodeId=cd8621e697394, content=不错,学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210606/e8b96fdba070433da10cd357c0646807/28bf16f46e314caaad8396c0c7df7a04.jpg, createdBy=adb15496357, createdName=仁术2021, createdTime=Mon Dec 25 07:19:38 CST 2023, time=2023-12-25, status=1, ipAttribution=吉林省), GetPortalCommentsPageByObjectIdResponse(id=2176971, encodeId=57a421e6971cc, content=鼻咽癌是具有明显的地区流行性的肿瘤, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=2d3d3015017, createdName=jshbyywk2008, createdTime=Mon Dec 25 07:01:42 CST 2023, time=2023-12-25, status=1, ipAttribution=河北省)]
    2023-12-25 仁术2021 来自吉林省

    不错,学习了。

    0

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    2023-12-25 jshbyywk2008 来自河北省

    鼻咽癌是具有明显的地区流行性的肿瘤

    0

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