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ASCO 2014:对比EL、EP方案治疗小细胞肺癌的III期试验

2014-05-31 Ruanancy 译 医学论坛网

摘要号:#7595第一作者:程颖,吉林省肿瘤医院肿瘤内科标题:以循环肿瘤细胞(CTCs)作为探索性生物标志物,对比洛铂/依托泊苷与顺铂/依托泊苷一线治疗扩散期小细胞肺癌患者的一项随机多中心III期研究背景:顺铂联合依托泊苷(EP)是小细胞肺癌(SCLC)的一个常规化疗方案,然而顺铂的毒副作用却限制了该方案的疗效。在此公布我们对比第三代铂类化合物洛铂联合依托泊苷(EL)与EP治疗扩散期SCLC(ES

摘要号:#7595

第一作者:程颖,吉林省肿瘤医院肿瘤内科

标题:以循环肿瘤细胞(CTCs)作为探索性生物标志物,对比洛铂/依托泊苷与顺铂/依托泊苷一线治疗扩散期小细胞肺癌患者的一项随机多中心III期研究

背景:顺铂联合依托泊苷(EP)是小细胞肺癌(SCLC)的一个常规化疗方案,然而顺铂的毒副作用却限制了该方案的疗效。在此公布我们对比第三代铂类化合物洛铂联合依托泊苷(EL)与EP治疗扩散期SCLC(ES-SCLC) 的III期临床试验的结果。

方法:234例初诊为ES-SCLC的中国患者被随机分为两组:(1)EL组(122例):洛铂(第1天30mg/m2/day)联合依托泊苷(第1-3天100 mg/m2/day,每21天一次)治疗6个周期;(2)EP组(n=112例):顺铂(第1天80 mg/m2/day)联合依托泊苷治疗6个周期。主要研究终点是无进展生存期(PFS);次要终点包括毒性反应、生活质量和总生存期(OS)。治疗前、治疗2个周期、疾病进展三个阶段分别对85例ES-SCLC患者进行了循环肿瘤细胞(CTCs)检测。

结果:EL和EP两组的PFS中位值分别为5.37个月和5.99个月(P=0.1638),疾病控制率(DCR)分别为82.64%和83.78%(P=0.8618)。在毒性反应方面,EL组的肾毒性发生率以及恶心和呕吐的发生率都明显高于EP组(2.48%vs 11.71%,P=0.0079;22.31%vs 36.04%,P=0.0292;14.05%vs 25.23%,P=0.0453)。在基线水平以及化疗2个周期后,CTCs≥5的患者的OS中位值明显低于CTCs<5的患者(基线:24个月 vs >26个月,P <0.0028;2个周期:22个月 vs >26个月,P<0.0124)。

结论:EL方案与EP方案的PFS无显著差异。EL方案患者的耐受性和QOL较EP方案好。在中国,EL方案是一线治疗ES-SCLC的另一个新选择。本项研究是世界范围内首个使用CTCs作为生物标志物监测小细胞肺癌治疗效果的一项前瞻性临床研究。临床试验信息:ChiCTR-TRC-10001047。

研究链接:A randomized, multicenter phase III study of lobaplatin/etoposide versus cisplatin/etoposide as first-line therapy in patients with extensive-stage small-cell lung cancer and circulating tumor cells (CTCs) as an exploratory biomarker. (Abstract 7595)

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    2014-06-02 quxin068
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    2014-07-03 juliusluan78
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