肺动脉高压(PAH)药物马西替坦获欧洲上市推荐

2013-10-31 fyc5078 丁香园

爱可泰隆有望进一步扩大其肺动脉高压(PAH)药物专营权,并获得欧洲对其马西替坦(Opsumit)的批准。这款长期的PAH治疗药物于上周在美国获得批准,而EMA科学顾问也已向欧盟推荐批准这款药物。CHMP的‘积极意见’将使马西替坦在未来的三个3个月内获得欧洲批准,爱可泰隆也希望这将有助于支持现有PAH药物波生坦的收入。波生坦于今年前9个月实现大约13亿美元的销售收入,占了爱可泰隆销售额的大部分,但这


爱可泰隆有望进一步扩大其肺动脉高压(PAH)药物专营权,并获得欧洲对其马西替坦(Opsumit)的批准。这款长期的PAH治疗药物于上周在美国获得批准,而EMA科学顾问也已向欧盟推荐批准这款药物。
CHMP的‘积极意见’将使马西替坦在未来的三个3个月内获得欧洲批准,爱可泰隆也希望这将有助于支持现有PAH药物波生坦的收入。波生坦于今年前9个月实现大约13亿美元的销售收入,占了爱可泰隆销售额的大部分,但这款药物到2015年将失去专利保护。

与波生坦一样,马西替坦是一种内皮素受体拮抗剂,但这款药物引起肝脏副作用的风险更低,不需要对患者进行病情监控。CHMP支持马西替坦作为单一治疗药物,或合并用药用于成年患者肺动脉高压的长期治疗。

该积极的推荐意见基于一项III期临床研究(SERAPHIN),该研究显示马西替坦与安慰剂相比,可使发病率/死亡率事件的风险降低45%。这项研究也发现马西替坦和安慰相比,其与PAH有关的住院治疗风险降低,死亡率下降50%。爱可泰隆正在寻求这款药物用于治疗WHO心功能分级II到III的患者,也就是那些普通身体活动(II级)或更少的身体活动(III级)即能引起过度疲劳或胸痛的患者。

爱可泰隆CEO Jean-Paul Clozel说:“如果能够获得批准,马西替坦可能会改变许多PAH患者的生活。这次积极的推荐意见证明了我们开发团队的努力,以及我们对PAH患者的承诺。PAH是一种难以治愈的病症,其特征是心脏与肺之间的动脉出现异常高血压,引起症状的范围可以从轻度的呼吸困难、疲劳到缩短寿命。

爱可泰隆还拥有其它两款PAH药物的专营权,万他维(伊洛前列素)和依前列醇(Veletri),但这两款药物不及波生坦,今年目前为止两款药物的销售收入刚刚超过1.2亿瑞士法郎。爱可泰隆在其后期研发线上还有一款PAH治疗药物Selexipag,该药物目前处于III期临床研究阶段。

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    2013-11-02 hb2010ye

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FDA批准马西替坦用于治疗肺动脉高压

10月18日,美国食品药品管理局(FDA)批准新药马西替坦(Opsumit)用于治疗肺动脉高压(PAH)成人患者,PAH是一种慢性、进展性并使人衰弱的疾病,能导致患者死亡或需要肺移植。 PAH是连接心脏与肺的动脉中产生的高血压。该疾病导致右侧的心脏工作起来比正常情况要困难,从而能够限制患者的运动能力并造成呼吸短促。马西替坦属于一种内皮素受体拮抗剂类药物,这类药物能够使肺动脉松弛、降低肺部的血压。