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JAMA Oncol:靶向抗癌药究竟对哪些癌症患者有效,一测便知!

2017-10-30 佚名 “肿瘤免疫细胞治疗资讯”微信号

癌症药物帕尼单抗是晚期肠癌患者的一种选择,然而这种靶向药只对一部分患者有效果,对于其他患者而言,这种靶向药不仅无法改善病情,而且还会带来难以忍受的副作用。

癌症药物帕尼单抗是晚期肠癌患者的一种选择,然而这种靶向药只对一部分患者有效果,对于其他患者而言,这种靶向药不仅无法改善病情,而且还会带来难以忍受的副作用。

目前,利兹大学的研究人员与北卡罗来纳州杜克大学的研究人员们从肿瘤中分离出一种蛋白质,HER3,有助于预测药物治疗的有效性。研究人员发现患者体内存在高水平的HER3可能从药物中获益。另一方面,如果癌症患者体内缺乏这种蛋白质,不仅对帕尼单抗无效果,还会带来很多副作用。研究结果发表于《JAMA Oncology》杂志上,研究者们在报告中指出,HER3水平高的患者,单药治疗4个月,肿瘤缩小或稳定。HER3水平低的患者,单药治疗没有效果。

去年,该研究小组发表了一篇报告,在报告中,研究人员指出,成为配体的蛋白质存可以帮助预测谁将受益于帕尼单抗,结合当前研究结果,HER3和配体存在于20%的肠癌患者体内,也就是说,帕尼单抗可以帮助20%的肠癌患者延长生命。

研究人员表示:“爱此次研究中,共有308名参与则参加临床试验,试验结果证明,HER3是一种非常有用的测试,可以有效的确定适用于帕尼单抗的患者,这样的话,很多用药无效的患者就不需要浪费无谓的时间,可以尽快选择另一种治疗方法。”

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    2017-11-12 minlingfeng
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    2017-10-31 sunylz

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