ASCO2017:克唑替尼用于ALK阳性非小细胞肺癌

2017-06-05 zhangfan MedSci原创

克唑替尼可显著延长响应患者的无进展生存期,但部分患者用药后出现克唑替尼耐药且缺少相应的耐药性生物标记物

克唑替尼是目前一线的ALK+非小细胞肺癌药物,其应答率可达到65% ,然而约有30%的患者在1或2年内出现进展且耐药机制仍不清楚。

近日研究人员招募了符合要求的进展性或复发性 ALK+ 非小细胞肺癌患者,对其进行进展期肿瘤活检并对血液和肿瘤组织样本进行存档,利用外显子测序和靶向基因分析来识别新的基因突变与响应。

试验结果如下,共24名IV期腺癌患者接受克唑替尼治疗,其中一线治疗22人,二线治疗2人,平均年龄60岁,4%的患者正吸烟,33.5%有吸烟史,62.5%的患者从不吸烟,截至至2017年1月26日,16人终止治疗(14人出现进展,2人退出),药物相应患者与无响应患者的无进展生存期存在显著差异(27个月vs1.8个月)。

结论如下:克唑替尼可显著延长响应患者的无进展生存期,但部分患者用药后出现克唑替尼耐药且缺少相应的耐药性生物标记物。

原始出处:

Mathilde Couetoux du Tertre et al. A phase IV study using multi-omics to identify mechanisms of response and resistance to crizotinib in ALK+ advanced non-small cell lung cancer (NSCLC) patients with distinct progression free survival outcomes. 2017 ASCO Annual Meeting. June 5 2017.

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    2017-07-31 xjy02
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    2017-11-28 quxin068
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    2017-06-07 luominglian113

    学习了,谢谢分享

    0

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    2017-06-06 189****7206

    学习了谢谢分享。

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    2017-06-05 半夏微凉

    学习了谢谢分享

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