NEJM:早期乳腺癌的局部淋巴结放疗

2015-07-23 袁杰 译 MedSci原创

背景:大部分保乳手术后的乳腺癌患者要接受全乳放射治疗,本实验拟研究在全乳放疗基础上增加局部淋巴结放疗是否会改善乳腺癌的治疗效果。方法:我们随机选取了淋巴结阳性或者高危的淋巴结阴性乳腺癌患者。她们都进行了保乳手术,术后进行系统辅助治疗。将这些患者分为淋巴结放疗组即全乳照射加局部淋巴结放疗(其中包括内乳淋巴结,锁骨上淋巴结及腋窝淋巴结)和对照组即全乳照光。主要研究结果为总体生存率,次要结果为无病生存率

背景:大部分保乳手术后的乳腺癌患者要接受全乳放射治疗,本实验拟研究在全乳放疗基础上增加局部淋巴结放疗是否会改善乳腺癌的治疗效果。

方法:我们随机选取了淋巴结阳性或者高危的淋巴结阴性乳腺癌患者。她们都进行了保乳手术,术后进行系统辅助治疗。将这些患者分为淋巴结放疗组即全乳照射加局部淋巴结放疗(其中包括内乳淋巴结,锁骨上淋巴结及腋窝淋巴结)和对照组即全乳照光。主要研究结果为总体生存率,次要结果为无病生存率、无孤立区域复发及无远处转移。

结果:我们研究了2000年3月到2007年2月的1832名乳腺癌患者。将她们随机分为淋巴结放疗组和对照组,每组分别916人。平均随访期为9.5年。经过10年的随访后发现两组生存率并无显著性差异。淋巴结放疗组生存率为82.8%,对照组生存率为81.8%(危害比为0.91,95%可信区间:0.72-1.13;P=0.38)。淋巴结放疗组无病生存率为82.0%,对照组无病生存率为77.0%(危害比为0.76,95%可信区间:0.61-0.94;P=0.01)。淋巴结照射组较对照组有明显增加了二级及以上的放射性肺炎(1.2% vs. 0.2%, P=0.01)及淋巴结水肿(8.4% vs. 4.5%, P=0.001)发生率。

结论:对于淋巴结阳性或者高危的淋巴结阴性乳腺癌妇女,在全乳放疗基础上增加局部淋巴结放疗并不能提高总体生存率,但是可以降低乳腺癌的复发率。

原始出处:

Timothy J. Whelan,Ivo A. Olivotto,Wendy R. Parulekar,Ida Ackerman,et al.Regional Nodal Irradiation in Early-Stage Breast Cancer.N Engl J Med 2015; 373:307-316July 23, 2015

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    2015-07-25 sodoo
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    2015-07-25 chg122
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