NEJM:Lenvatinib有望用于放射性碘难治性甲状腺癌治疗

2015-02-12 姜英浩译 MedSci原创

Lenvatinib是一种多受体酪氨酸激酶(RTK)抑制剂,能够选择性抑制血管内皮生长因子(VEGF)受体、成纤维细胞生长因子受体(FGF)、血小板源性生长因子受体等激酶的活性。欧洲药品管理局(EMA)已于2014年7月授予实验性抗癌药物lenvatinib(E7080)加速审批资格,该药开发用于放射性碘难治性分化型甲状腺癌(RR-DTC)的治疗。NEJM杂志于2015年2月12日在线发表了一项关

Lenvatinib是一种多受体酪氨酸激酶(RTK)抑制剂,能够选择性抑制血管内皮生长因子(VEGF)受体、成纤维细胞生长因子受体(FGF)、血小板源性生长因子受体等激酶的活性。欧洲药品管理局(EMA)已于2014年7月授予实验性抗癌药物lenvatinib(E7080)加速审批资格,该药开发用于放射性碘难治性分化型甲状腺癌(RR-DTC)的治疗。NEJM杂志于2015年2月12日在线发表了一项关于该药对放射性碘(碘-131)难治性分化型甲状腺癌患者治疗的3期临床研究结果。

在此次随机、双盲、多中心的3期临床研究中,研究人员招募了对放射性碘治疗抵抗的进展性甲状腺癌患者,经随机分配,将261例患者分至治疗组(每日服用lenvatinib24 mg,28天为1周期);131例患者分至对照组(服用安慰剂)。当对照组患者疾病出现进展时,允许服用lenvatinib治疗。主要评估指标为无进展生存期。次要评估指标包括了应答率、整体生存期、安全性等。

结果显示,治疗组的中位生存期为18.3个月;而对照组仅为3.6个月(HR 0.21, 99 %CI 0.14-0.31 P<0.001)。在所有的预设亚组中都可以观测到服用lenvatinib带来的无进展生存期的延长。治疗组应答率为64.8 %(4例完全有效,165例部分有效);对照组为1.5 %(P<0.001)。两组均未达到中位整体生存率。超过40 %的治疗组患者出现了各级的治疗相关副反应,包括高血压(67.8 %)、腹泻(59.4 %)、疲劳无力(59.0 %)、食欲减退(50.2 %)、体重下降(46.4 %)、恶心(41.0 %)等。治疗组中有37例患者(14.2 %),对照组有3例患者(2.3 %)由于副反应而中断试验。治疗组中出现20例治疗期死亡,其中6例认为是药物相关的。

根据以上结果,研究人员认为,lenvatinib能够显著提高放射性碘难治性甲状腺癌患者的无进展生存期。同时,其药物相关副反应发生率也相应提高。

原始出处

Martin Schlumberger, Makoto Tahara, Lori J. Wirth, et al. Lenvatinib versus Placebo in Radioiodine-Refractory Thyroid Cancer. The New England Journal of Medicine, 2015.2.12

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    2015-05-16 ljjj1053

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    2015-05-16 ljjj1053

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    2015-02-16 windmilL1989

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    2015-02-14 tastas
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    2015-02-14 freve

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