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IGF-1R的表达与XELOX方案化疗治疗晚期胃癌的临床疗效的相关性分析

Progress in Modern Biomedicine(2015)

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Abstract
目的:探讨晚期胃癌患者中胰岛素样生长因子1型受体(IGF-1R)的表达与卡培他滨联合奥沙利铂(XELOX)方案化疗疗效的关系.方法:收集56例一线接受XELOX化疗的晚期胃癌患者的临床、病理资料,采用免疫组化法检测其IGF-1R的表达情况,计算客观有效率(ORR)和疾病控制率(DCR),统计分析IGF-1R的表达与胃癌患者临床病理特征、近期疗效、临床受益率及毒副反应发生情况的关系.结果:56例患者中,IGF-1R的阳性率为69.6%,其中未分化一低分化腺癌患者IGF-1R的阳性率显著高于中一高分化腺癌(76.5% vs.59.1%,P<0.05).56例患者的ORR为28.6%,DCR为55.3%.与IGF-1R(-)的胃癌患者相比,IGF-1R(+)的胃癌患者ORR、DCR及临床受益率均显著降低(ORR:23.1% vs.41.1%;DCR:48.7% vs.70.5%;临床受益率:51.3%vs.70.6%)(P<0.05).IGF-1R的表达与XELOX方案所致化疗毒副反应无显著相关性(P>0.05).结论:IGF-1R的表达可能成为预测胃癌化疗疗效及预后的新指标,IGF-1R(-)的胃癌患者可能更能从XELOX化疗方案中获益.
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Key words
Insulin-like growth factor type 1 receptor,XELOX regimen,Chemotherapy,Advanced gastric cancer,Clinical efficacy
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