CLIN CANCER RES:循环肿瘤DNA和循环肿瘤细胞:晚期乳腺癌综合液体活检分析

2018-02-25 MedSci MedSci原创

液体活检可以对转移性乳腺癌进行实时的评估。CLIN CANCER RES近期发表了一篇文章,评估联合循环肿瘤细胞(CTC)循环肿瘤DNA(ctDNA)预测转移性乳腺癌预后的效果。

液体活检可以对转移性乳腺癌进行实时的评估。CLIN CANCER RES近期发表了一篇文章,评估联合循环肿瘤细胞(CTC)循环肿瘤DNA(ctDNA)预测转移性乳腺癌预后的效果。

研究共纳入了91例晚期乳腺癌和转移性乳腺癌患者。使用CellSearch检测CTC,使用K-M曲线进行生存分析。84例患者为Ⅳ期肿瘤,7例患者无转移。80例患者进行了CTC分析:中位数为2。84%的血液样本存在突变。平均ctDNA分数为4.5%,突变数为3。最常突变的基因为TP53,PIK3CA和ERBB2。在分析时36例患者死亡。CTC的中位随访时间为9个月,ctDNA中位随访时间为9.9个月。对CTC和ctDNA,无进展生存分别为4.2个月和5.2个月,总生存分别为18.7个月和21.5个月。基线CTC<5和CTC≥5,%ctDNA<0.5和≥0.5,突变数<2和≥2的患者无进展生存和总生存存在显着差异。基线样本中突变数和%ctDNA之间显着相关。

文章最后认为,该研究表明液体活检是有效的预后工具。

原始出处:
Giovanna Rossi,Zhaomei Mu,et al.Cell-Free DNA and Circulating Tumor Cells:Comprehensive Liquid Biopsy Analysis in Advanced Breast Cancer.CLIN CANCER RES.February 2018 doi:10.1158/1078-0432.CCR-17-2092

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    2018-02-27 smlt2008
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    2018-02-25 龙胆草

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