ANN ONCOL:转移性结直肠癌原发肿瘤部位与FOLFOXIRI联合贝伐单抗治疗获益的关系

2018-07-29 MedSci MedSci原创

右侧转移性结直肠癌患者预后较差,接受一线化疗联合靶向治疗的临床获益有限。ANN ONCOL近期发表了一篇文章,研究转移性结直肠癌患者原发肿瘤部位的预后及预测作用,根据原发肿瘤部位及RAS和BRAF突变状态进行亚组分析。

右侧转移性结直肠癌患者预后较差,接受一线化疗联合靶向治疗的临床获益有限。ANN ONCOL近期发表了一篇文章,研究转移性结直肠癌患者原发肿瘤部位的预后及预测作用,根据原发肿瘤部位及RAS和BRAF突变状态进行亚组分析。

患者随机分入FOLFIRI联合贝伐单抗或FOLFOXIRI联合贝伐单抗治疗组。盲肠到横结肠或脾区以内的肿瘤定为右侧原发,以外的定为左侧原发。分析纳入的患者原发肿瘤部位以及RAS和BRAF状态均已知。根据肿瘤部位和RAS,BRAF突变状态评估无进展生存(PFS),总生存(OS)和RECIST缓解率。最终有358例患者的肿瘤位置和RAS,BRAF突变状态可以获得,进而纳入分析。右侧肿瘤的患者总生存比左侧肿瘤的患者差,但是调整了RAS和BRAF状态后这些相关性不再显着。右侧肿瘤的患者从联合疗法中获益更多,这一获益与RAS和BRAF状态无关。

文章最后认为,FOLFOXIRI联合贝伐单抗治疗更适用于右侧原发的转移性结直肠癌患者,与RAS和BRAF突变状态无关。

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    2018-10-02 minlingfeng
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    2018-07-31 linlin2314
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