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FDA批准礼来单抗Cyramza第3个适应症:非小细胞肺癌

2014-12-19 佚名 生物谷

导读:2014年是礼来最为艰难的一年,数个畅销药因专利悬崖导致销售大幅下跌。而肿瘤学管线中,抗癌药物Cyramza接连拿下3个适应症,对礼来而言无疑是个大好消息。分析师预计,到2020年,Cyramza的年销售额将达到13.5亿美元,该药在临床中的成功将部分弥补仿制药冲击导致的销售损失。 近日,礼来(Eli Lilly)肿瘤学管线近日传来大好消息,抗癌药物Cyramza(ramucirumab)

导读:2014年是礼来最为艰难的一年,数个畅销药因专利悬崖导致销售大幅下跌。而肿瘤学管线中,抗癌药物Cyramza接连拿下3个适应症,对礼来而言无疑是个大好消息。分析师预计,到2020年,Cyramza的年销售额将达到13.5亿美元,该药在临床中的成功将部分弥补仿制药冲击导致的销售损失。

近日,礼来(Eli Lilly)肿瘤学管线近日传来大好消息,抗癌药物Cyramza(ramucirumab)收获了FDA的第3个适应症。具体而言,FDA已批准Cyramza联合多西他赛(docetaxel,一种化疗药物),用于既往经含铂化疗治疗后病情恶化的转移性非小细胞肺癌(NSCLC)患者的治疗。此前,FDA已分别于今年4月和11月批准Cyramza及Cyramza+紫杉醇化疗联合疗法用于晚期或转移性胃癌和胃食管交界腺癌(GEJA)的治疗。另外,礼来已计划于2015年上半年向FDA提交Cyramza/紫杉醇组合疗法治疗结直肠癌的上市申请。

Cyramza是一种血管生成抑制剂,能够阻断肿瘤的血液供应,该药被认为是礼来研发管线中最重要的产品之一。不过,Cyramza的临床项目并不都是一帆风顺。去年秋天,Cyramza在乳腺癌III期临床中以失败告终,未能达到改善无进展生存期(PFS)的主要终点。

Cyramza非小细胞肺癌(NSCLC)适应症的获批,是基于III期REVEL研究的数据。该项研究调查了Cyramza联合化疗用于非小细胞肺癌(NSCLC)的二线治疗。数据表明,与安慰剂+多西他赛化疗相比,Cyramza+多西他赛化疗显著改善了总生存期(OS:10.5个月 vs 9.1个月,p=0.023;死亡风险降低14%)、显著改善了无进展生存期(PFS:4.5个月 vs 3.0个月,p<0.001;疾病恶化风险降低24%)、显著改善了客观缓解率(ORR:23% vs 14%,p<0.0001)。该研究是首个证明一种生物制剂联合化疗用于二线治疗时可改善NSCLC总生存期的III期研究。

在美国,肺癌是癌症致死的首要病因,其中非小细胞肺癌(NSCLC)占到了总病例的85%。据估计,约有一半的NSCLC患者正接受二线治疗。尽管目前有可用的药物,但仍需要新的二线治疗药物。

关于Cyramza(ramucirumab):

ramucirumab是一种全人源化IgG1单克隆抗体,是一种受体拮抗剂,靶向结合于血管内皮生长因子(VEGF)受体2的胞外域,从而阻断血管内皮生长因子配体(VEGF-A,-C,-D)的相互作用,并抑制受体激活。

Ramucirumab由礼来于2008年耗资65亿美元收购ImClone公司后获得,目前正在开展相关临床试验,评估该药作为单药疗法及与其他抗癌药物的联合疗法,用于治疗乳腺癌、胃癌、非小细胞肺癌、大肠癌、肝癌、膀胱癌、尿道癌、输尿管癌、肾盂癌、前列腺癌、卵巢癌、多形性成胶质细胞瘤。目前乳腺癌、大肠癌、胃癌、肝癌、肺癌均处于III期临床开发。

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    2015-01-31 bugit
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