lenvatinib用于甲状腺癌获得良好的疗效(SELECT研究)

2014-10-24 MedSci MedSci原创

Lenvatinib是一种口服多受体酪氨酸激酶(RTK)抑制剂,具有新颖的结合模式,除抑制参与肿瘤增殖的其他促血管生成和致癌信号通路相关RTK外,还能够选择性抑制血管内皮生长因子(VEGF)受体的激酶活性。目前,卫材也正在评估lenvatinib用于其他癌症的治疗。Lenvatinib在日本、美国、欧盟提交的申请文件,是基于III期SELECT研究的积极顶线数据。该研究是一项多中心、随机、双盲、安

Lenvatinib是一种口服多受体酪氨酸激酶(RTK)抑制剂,具有新颖的结合模式,除抑制参与肿瘤增殖的其他促血管生成和致癌信号通路相关RTK外,还能够选择性抑制血管内皮生长因子(VEGF)受体的激酶活性。目前,卫材也正在评估lenvatinib用于其他癌症的治疗。

Lenvatinib在日本、美国、欧盟提交的申请文件,是基于III期SELECT研究的积极顶线数据。该研究是一项多中心、随机、双盲、安慰剂对照III期研究,调查了口服lenvatinib(24mg)治疗放射性碘131抵抗的分化型甲状腺癌(RR-DTC)的疗效,主要终点为无进展生存期(PFS),次要终点包括总缓解率(ORR),总生存期(OS)和安全性。数据表明,与安慰剂组相比,lenvatinib治疗组无进展生存期(PFS)显著延长(18.3个月 vs 3.6个月,p<0.0001),达到了研究的主要终点。

据估计,在美国,2012年新增甲状腺癌患者5.2万例。目前,尽管大多数类型的甲状腺癌能够治疗,但复发性甲状腺癌鲜有治疗方案,因此存在显著未获满足的医疗需求。

相关报道:

lenvatinib在日欧美3大市场均授予孤儿药地位,并且获欧美2大市场加速审查和优先审查资格。

卫材(Eisai)近日宣布,FDA已接受审查抗癌药lenvatinib新药申请(NDA)并已授予优先审查资格。此外,FDA已指定该药NDA处方药用户收费法(PDUFA)目标日期为2015年4月14日,距离卫材提交NDA为8个月。此前,卫材已向日本、欧盟、美国提交lenvatinib上市申请,寻求批准用于放射性碘难治性分化型甲状腺癌(RR-DTC)的治疗。在日欧美3大市场,lenvatinib均被授予孤儿药地位。此外,欧盟已授予lenvatinib加速审评资格。从治疗创新的角度思考,lenvatinib将成为一种具有重大公共卫生利益的新药。

优先审查资格意味着FDA将在6个月内完成上市申请的审查,而不是标准的10个月审查期。FDA的优先审评资格(Priority Review designation),通常只授予那些治疗严重病症,或与现有治疗药物相比可为严重疾病的治疗、诊断或预防的安全性及疗法方面提供明显改善的药物。

相关研究:
Tohyama O, Matsui J, Kodama K, Hata-Sugi N, Kimura T, Okamoto K, Minoshima Y, Iwata M, Funahashi Y.Antitumor activity of lenvatinib (e7080): an angiogenesis inhibitor that targets multiple receptor tyrosine kinases in preclinical human thyroid cancer models. J Thyroid Res. 2014;2014:638747. doi: 10.1155/2014/638747.

Kurzrock R, Atkins J, Wheler J, Fu S, Naing A, Busaidy N, Hong D, Sherman S.Tumor marker and measurement fluctuations may not reflect treatment efficacy in patients with medullary thyroid carcinoma on long-term RET inhibitor therapy. Ann Oncol. 2013 Sep;24(9):2256-61

Dadu R, Devine C, Hernandez M, Waguespack SG, Busaidy NL, Hu MI, Jimenez C, Habra MA, Sellin RV, Ying AK, Cote GJ, Sherman SI, Cabanillas ME.Role of salvage targeted therapy in differentiated thyroid cancer patients who failed first-line sorafenib. J Clin Endocrinol Metab. 2014 Jun;99(6):2086-94

Stjepanovic N, Capdevila J.Multikinase inhibitors in the treatment of thyroid cancer: specific role of lenvatinib. Biologics. 2014 Apr 10;8:129-39.

Brose MS, Nutting CM, Sherman SI, Shong YK, Smit JW, Reike G, Chung J, Kalmus J, Kappeler C, Schlumberger M.Rationale and design of decision: a double-blind, randomized, placebo-controlled phase III trial evaluating the efficacy and safety of sorafenib in patients with locally advanced or metastatic radioactive iodine (RAI)-refractory, differentiated thyroid cancer. BMC Cancer. 2011 Aug 11; 11:349.

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    2016-03-22 Gsurgeon

    不错medsci让我学习很多

    0

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    2014-11-27 jawel

    甲状腺癌希望

    0

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    2014-10-26 tastas

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