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首战告捷:礼来关节炎药物baricitinib关键III期大获成功

2014-12-11 佚名 生物谷

礼来和合作伙伴Incyte近日公布了类风湿性关节炎(RA)药物baricitinib关键III期RA-BEACON研究的积极顶线数据。 该研究在527例既往经至少一种抗肿瘤坏死因子(TNF)制剂(包括重磅药物阿达木单抗Humira和依那西普Enbrel)治疗失败正服用稳定剂量常规疾病修饰抗风湿药物(cDMARD)的中度至重度类风湿性关节炎(RA)患者中开展。 研究中,除了接受cDMARDs背景

礼来和合作伙伴Incyte近日公布了类风湿性关节炎(RA)药物baricitinib关键III期RA-BEACON研究的积极顶线数据。

该研究在527例既往经至少一种抗肿瘤坏死因子(TNF)制剂(包括重磅药物阿达木单抗Humira和依那西普Enbrel)治疗失败正服用稳定剂量常规疾病修饰抗风湿药物(cDMARD)的中度至重度类风湿性关节炎(RA)患者中开展。

研究中,除了接受cDMARDs背景疗法外,患者还接受每日一次baricitinib或安慰剂治疗。研究结果表明,治疗12周后,与安慰剂相比,baricitinib达到了改善ACR20反应的主要终点。安全性方面,baricitinib的副作用与安慰剂相似,常见的不良反应包括头痛,上呼吸道感染和鼻咽炎。RA-BEACON研究是baricitinib III期项目的首个关键研究。礼来将于2015年在科学会议上公布数个关键III期试验的数据。。

抗肿瘤坏死因子(TNF)疗法如修美乐Humira(阿达木单抗)、类克Remicade(英夫利西单抗)美罗华Rituxan/MabThera(利妥昔单抗)、恩利Enbrel(依那西普)是全球最畅销的药物,这4种均位列《2013年最畅销的25个药物》榜单。而RA-BEACON研究的成功,预示着baricitinib有望在本已拥挤不堪的市场中开辟一块天地。

目前,礼来和Incyte正在开展一项大型III期项目,包括在美国开展的4个研究和在中国开展的1个研究,涉及3000例类风湿性关节炎(RA)患者,评估baricitinib的疗效及安全性。礼来预计将于2015年底完成美国的4个III期研究,并根据结果向FDA提交baricitinib的上市申请。

与常规的注射型TNF阻断剂不同,礼来的baricitinib是一种口服JAK抑制剂,旨在阻断炎症信号和治疗免疫学疾病(包括类风湿性关节炎)的根本病因。辉瑞的口服JAK抑制剂Xeljan于2012年获批上市,业界曾对该药寄予厚望,但上市之后却并没有如预期的很快达到行业预期,导致JAK抑制剂的前景暗淡不少;近日,巨头强生宣布终止与安斯泰来近10亿美元的合作,该项合作中同样涉及一种JAK抑制剂ASP015K,这一变故也多少给JAK抑制剂的前景带来了一些动荡。(相关阅读:强生与安斯泰来9.45亿美元合作告吹)。

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    2015-11-06 juliusluan78
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    2014-12-13 lmm397
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