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Oncologist:CTC计数示转移性结直肠癌预后

2012-07-25 魏冬 医学论坛网

《肿瘤医师》(Oncologist)杂志近期发表的一项研究表明,循环肿瘤细胞(CTC)计数是转移性结直肠癌患者无进展生存(PFS)和总生存(OS)预后的一个强预测因素。   结直肠癌维持治疗试验是一项Ⅲ期临床试验,目的是在转移性结直肠癌患者中评估贝伐珠单抗单药 对 贝伐珠单抗+化疗的效果。一项辅助研究评估了CTC计数作为疗效终点的预后和/或预测标志物的价值。   180例患

《肿瘤医师》(Oncologist)杂志近期发表的一项研究表明,循环肿瘤细胞(CTC)计数是转移性结直肠癌患者无进展生存(PFS)和总生存(OS)预后的一个强预测因素。

  结直肠癌维持治疗试验是一项Ⅲ期临床试验,目的是在转移性结直肠癌患者中评估贝伐珠单抗单药 对 贝伐珠单抗+化疗的效果。一项辅助研究评估了CTC计数作为疗效终点的预后和/或预测标志物的价值。

  180例患者入组。血样在基线和3个周期治疗后获取。CTC计数采用 CellSearch 系统检测。CT扫描被用于在第3和6个治疗周期时以及此后每12周评估肿瘤缓解情况。

  结果显示,基线CTC计数≥3和<3的患者中位PFS时间分别为7.8和12.0个月(P=0.0002),中位OS时间分别为17.0和25.1个月(P=0.0059)。

  3个周期治疗后,CTC计数小的患者中位PFS时间为10.8个月,显著长于CTC计数大的患者的7.5个月(P=0.005);CTC计数<3患者的中位OS时间显著长于≥3的患者,分别为25.1和16.2个月(P=0.0095)。

原文链接:

Sastre J, Maestro ML, Gómez-España A, Rivera F, Valladares M, Massuti B, Benavides M, Gallén M, Marcuello E, Abad A, Arrivi A, Fernández-Martos C, González E, Tabernero JM, Vidaurreta M, Aranda E, Díaz-Rubio E.Circulating tumor cell count is a prognostic factor in metastatic colorectal cancer patients receiving first-line chemotherapy plus bevacizumab: a spanish cooperative group for the treatment of digestive tumors study.Oncologist. 2012;17(7):947-55.

    

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    2012-10-12 kalseyzl
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    2013-06-20 minlingfeng
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    2012-07-27 july_977

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