Nat Med:单独atezolizumab或者atezolizumab结合贝伐单抗与舒尼替尼在肾细胞癌中治疗的临床活性和相关分子响应比较研究

2018-06-10 AlexYang MedSci原创

最近,有研究人员阐述了 IMmotion150的研究结果,该研究是一个随机的阶段2研究,具体包括了305名从未治疗过的转移性肾细胞癌患者,并且利用单独的atezolizumab(anti-PD-L1)或者结合贝伐单抗(anti-VEGF)与舒尼替尼治疗结果的比较。主要结果为在意向治疗中的无进展自由生存(PFS)和PD-L1+群体。研究发现,atezolizumab+贝伐单抗或者atezolizum

最近,有研究人员阐述了 IMmotion150的研究结果,该研究是一个随机的阶段2研究,具体包括了305名从未治疗过的转移性肾细胞癌患者,并且利用单独的atezolizumab(anti-PD-L1)或者结合贝伐单抗(anti-VEGF)与舒尼替尼治疗结果的比较。主要结果为在意向治疗中的无进展自由生存(PFS)和PD-L1+群体。

研究发现,atezolizumab+贝伐单抗或者atezolizumab单独治疗与舒尼替尼相比的意向治疗风险比分别为1.0(95%置信区间(CI),0.69-1.45)1.19(95% CI, 0.82-1.71);PD-L1+PFS风险比分别为0.64(95% CI, 0.38-1.08)和1.03((95% CI, 0.63-1.67)。探索生物标志物分析表明了肿瘤变异和肿瘤抗原负担与PFS没有相关性。血管再生、T效应因子/INF-γ响应和粒细胞炎症基因表达特性在治疗过程中与PFS强烈的和差异性的相关。

最后,研究人员指出,这些分子响应情况表明了利用anti-VEGF和免疫治疗对结果进行预测是可能的,并且通过对VEGF的阻断可能克服对免疫检查点阻断的抗性。

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    2019-02-19 snf701207
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    2019-05-05 liye789132251
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    2018-06-15 三生有幸9135

    学习一下谢谢

    0

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