JAMA Oncol:基因检测用于乳腺癌患者预后评估

2017-07-03 zhangfan MedSci原创

70基因MammaPrint检测超低风险患者,单凭手术后乳腺癌死亡的长期系统性风险非常低

随着早期筛查的开展,无痛肿瘤发病率不断上升,但无痛肿瘤的识别方法还很有限。近日研究人员考察了多基因分类手段在女性无痛浸润性乳腺癌早期筛查的应用。

本次研究是他莫昔芬与无全身治疗的随机对照临床试验的二次分析,随访超过20年。在缺少全身治疗的情况下对参与者进行MammaPrint70个基因表达分析以预测患者15年后的死亡风险。研究的主要终点是对治疗,患者年龄、诊断时间、肿瘤大小、分级、激素受体、Ki67和ErbB2 / HER2状态调整后的乳腺癌特异性生存率。

研究包含了652名患者的MammaPrint评分,患者平均年龄62.8岁。分别有377人(58%)以及275 (42%)名患者MammaPrint评分为低风险或高风险。20年后的Cox分析发现,70基因检测高风险以及低风险患者,比对于非超低风险患者其肿瘤特异性死亡风险高(高风险HR,4.73 [95% CI,1.38-16.22],低风险HR,4.54 [95% CI,1.40-14.80])。超低风险并且服用他莫昔芬的妇女15年内无死亡病例且20年的生存率97%,而超低风险未服用它莫西芬妇女生存率为94%。超低风险是预后良好的最显著预测因子;非超低风险患者,肿瘤体积大于2厘米是预后效果的最佳预测因子。

研究表明,70基因MammaPrint检测超低风险患者,单凭手术后乳腺癌死亡的长期系统性风险非常低。

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    2017-08-12 minlingfeng
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    2017-07-03 luominglian113

    学习了,谢谢分享

    0

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    2017-07-03 131****1460

    学习了受益匪浅。

    0

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