Lancet Oncol:阿法替尼对亚洲EGFR突变晚期非小细胞肺癌(NSCLC)有较好的疗效(LUX-Lung 6试验)

2014-01-19 MedSci MedSci原创

广东省人民医院的吴一龙(Yi-Long Wu)教授领导一个国际研究小组,在一项名为LUX-Lung 6的III期临床研究中比较了阿法替尼(Afatinib)与吉西他滨/顺铂(cisplatin plus gemcitabine)一线治疗亚洲EGFR突变阳性晚期非小细胞肺癌患者的临床疗效。研究结果在线发表在1月15日的《柳叶刀肿瘤学》(The Lancet Oncology)杂志上。吴一龙教授现任广

广东省人民医院的吴一龙(Yi-Long Wu)教授领导一个国际研究小组,在一项名为LUX-Lung 6的III期临床研究中比较了阿法替尼(Afatinib)与吉西他滨/顺铂(cisplatin plus gemcitabine)一线治疗亚洲EGFR突变阳性晚期非小细胞肺癌患者的临床疗效。研究结果在线发表在1月15日的《柳叶刀肿瘤学》(The Lancet Oncology)杂志上。
吴一龙教授现任广东省人民医院副院长。主要研究方向是肺癌多学科综合治疗的基础与临床,特别着眼于肺癌的综合防治。在国内外核心期刊上发表学术论文300余篇,被SCI、EI、Mediline收录的学术论文80余篇。2005年当选美国外科学院院士。

肺癌是严重危害人类健康的恶性肿瘤之一,也是全世界目前发病率和死亡率最高的癌症之一。NSCLC约占肺癌总数的80-85%。由于大多数患者在患病早期没有明显的症状,确诊时多已进入中晚期阶段,治疗预后较差,五年生存率仅为15%。EGFR突变型肺癌是非小细胞肺癌中的一个特殊类型,这种肺癌的癌细胞依靠EGFR信号通路来维持生长、增殖和转移等生物学行为。

阿法替尼是一种口服的、不可逆的、ErbB家族受体阻滞剂,能够阻断表皮生长因子受体(ERBB1)、HER2(ErbB2)、ErbB4的信号。
在EGFR突变阳性的NSCLC患者中,一项全球III期临床试验(LUX-Lung 3)证实了阿法替尼优于培美曲塞联合顺铂的一线疗法。在这一新的临床试验中研究人员旨在比较阿法替尼与吉西他滨/顺铂一线治疗亚洲EGFR突变阳性晚期非小细胞肺癌患者的疗效和安全性。

这项试验在中国、泰国和韩国的36个医疗中心展开。364名IIIB/ IV期、体力活动状态(performance status,PS)为0-1、此前未接受过治疗的亚洲晚期肺癌患者按照2:1的比例随机分为两组(阿法替尼组:242人;吉西他滨/顺铂组:122人)。

实验结果显示:阿法替尼组的中位数无进展生存期(PFS)明显长于吉西他滨/顺铂组,前者为11个月,后者为5.6个月。在阿法替尼组中最常见的治疗相关不良反应分别为皮疹/痤疮14.6%)、腹泻(5.4%)、口腔/粘膜炎(5.4%);而使用吉西他滨/顺铂组显示中性粒细胞减少(26•5%)、呕吐(19•5%)、白细胞减少(15•0%)。在阿法替尼组中出现严重不良反应的达6•3%,吉西他滨/顺铂组出现严重不良反应的达8.0%。

最终的实验结论表明,在亚洲EGFR突变阳性晚期NSCLC患者中,阿法替尼能够显著地改善患者无进展生存期,且显示出更好的安全性和耐受性。因此,可考虑将阿法替尼当做针对这类患者群体的一线治疗方案。

原始出处:

Afatinib versus cisplatin plus gemcitabine for first-line treatment of Asian patients with advanced non-small-cell lung cancer harbouring EGFR mutations (LUX-Lung 6): an open-label, randomised phase 3 trial.The Lancet Oncology, Early Online Publication, 15 January 2014

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    2014-02-04 howi
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    2014-02-03 minlingfeng
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    2014-01-21 liuyiping

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