WCLC 2017: 陆舜教授:呋喹替尼联合吉非替尼治疗EGFR突变晚期NSCLC安全性良好,双口服靶向药物潜力值得进一步研究

2017-10-16 肿瘤资讯编辑部 肿瘤资讯

第18届世界肺癌大会于2017年10月15日-18日在日本横滨召开。这是世界范围内,肺癌领域最大的专科会议之一。在本届的WCLC会议上,中国肺癌研究者有多项重磅研究亮相世界肺癌大会。其中,上海交通大学附属胸科医院陆舜教授牵头进行的呋喹替尼联合吉非替尼用于EGFR突变晚期NSCLC的II期研究,在大会进行口头报告。

第18届世界肺癌大会于2017年10月15日-18日在日本横滨召开。这是世界范围内,肺癌领域最大的专科会议之一。在本届的WCLC会议上,中国肺癌研究者有多项重磅研究亮相世界肺癌大会。其中,上海交通大学附属胸科医院陆舜教授牵头进行的呋喹替尼联合吉非替尼用于EGFR突变晚期NSCLC的II期研究,在大会进行口头报告。

在2017WCLC的第一场会上,来自上海交通大学附属胸科医院的陆舜教授介绍了《呋喹替尼联合吉非替尼用于EGFR突变晚期NSCLC的II期研究结果》。

之前有研究显示,EGFR突变靶点抑制剂和肿瘤抗血管生成治疗的联合方案,用于EGFR突变型NSCLC患者有协同效应。然而,在JO25567研究中,接受联合治疗方案的患者,3度或以上的高血压发生率(60%)显着高于既往单独应用贝伐珠单抗的高血压发生率(10-15%)。考虑到小分子TKI药物相对于单抗类药物,半衰期显着更短,联合应用EGFR TKI和VEGFR TKI,高血压的发生率更低。呋喹替尼作为一个高选择性的靶向作用于VEGFR的口服激酶抑制剂,已经在晚期NSCLC三线治疗中显示出良好的疗效和安全性。因此有必要探索EGFR TKI + VEGFR TKI联合方案用于EGFR突变型晚期NSCLC患者一线治疗的安全性、耐受性和疗效。

该研究为一个单臂、开放的多中心临床研究。所有患者接受吉非替尼250mg/天,连续用药,呋喹替尼的起始剂量为4mg,连用3周,停药1周,每4周为1个周期。如果在第1个周期中未观察到≥3度不良事件(AE)或≥2度的肝功能损害,呋喹替尼的剂量增至5mg,持续治疗直至疾病进展或不可耐受的毒性以及患者要求出组,研究终点为评估联合方案的安全性和耐受性。主要入组标准包括:组织或细胞学确认的NSCLC,ECOG PS 0-1分,既往未接受过系统性治疗,无脑转移。主要排除标准包括:T790M突变,入组前1个月内有出血史。

研究结果显示呋喹替尼4mg组联合吉非替尼250mg安全有效,可以作为进一步研究的标准计量。在17例可以观察疗效的患者中,ORR为76.5%,临床获益率为100%。呋喹替尼联合吉非替尼显示出良好的疗效潜力,未来将启动后续研究,进一步验证该组合的疗效。

来自斯坦福大学肿瘤中心的Joel Neal教授在现场评论中指出,抗EGFR的药物和抗VEGF药物的联合在之前的厄洛替尼联合贝伐珠单抗已经显示一定的潜力, 既往日本进行的II期临床研究JO25567显示,厄洛替尼联合贝伐珠单抗相比于厄洛替尼单药,用于EGFR突变型的晚期NSCLC一线治疗,可以显着延长患者的mPFS(16m vs. 9.7m),降低了46%的疾病进展风险。这一临床研究数据提示,EGFR通路抑制剂联合抗血管生成治疗,用于EGFR突变的NSCLC患者,有协同治疗效应,两药联合可以达到1+1>2的治疗效果,后续的验证研究也在进行中。厄洛替尼联合贝伐珠单抗的不良事件发生率高,耐受性相对较差。

呋喹替尼用于晚期非鳞NSCLC三线治疗的II期研究结果显示,呋喹替尼对比最佳支持治疗可以显着延长PFS(3.81m vs. 1.15m),耐受性较好。本研究评估呋喹替尼和吉非替尼联合方案的安全性和耐受性,期待后续进一步的研究数据。

Joel Neal教授也指出接下来的研究设计要考虑EGFR TKI药物的选择问题,3代TKI已经有很好的一线数据,需要有计划开展临床研究的医生考虑TKI药物选择。

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    2017-11-23 1e145228m78(暂无匿称)

    学习了谢谢作者分享!

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    2017-10-18 木头人514
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    2017-10-18 liuyiping