FDA批准全球治疗肠易激综合征新药上市

2012-10-30 中国科学报 中国科学报

  美国食品与药物监督管理局(FDA)日前批准全球首个鸟苷酸环化酶激动剂类药物利那洛肽(Linaclotide)在美国上市,用于临床治疗便秘型肠易激综合征或慢性特发型便秘。总部位于英国伦敦的阿斯利康和总部位于美国马萨诸塞州的铁木制药将共同致力于这一新药在包括中国在内的亚太市场的推广。   便秘型肠易激综合征的主要症状是腹痛与便秘,是一种常见的慢性功能型胃肠疾病,目前治疗手段有限。有研究认为,细胞

  美国食品与药物监督管理局(FDA)日前批准全球首个鸟苷酸环化酶激动剂类药物利那洛肽(Linaclotide)在美国上市,用于临床治疗便秘型肠易激综合征或慢性特发型便秘。总部位于英国伦敦的阿斯利康和总部位于美国马萨诸塞州的铁木制药将共同致力于这一新药在包括中国在内的亚太市场的推广。

  便秘型肠易激综合征的主要症状是腹痛与便秘,是一种常见的慢性功能型胃肠疾病,目前治疗手段有限。有研究认为,细胞内环磷酸鸟苷(cGMP)浓度的增加可以刺激肠液的分泌并促进胃肠活动,从而导致排便次数增多;非临床实验模型数据显示,细胞外cGMP浓度的增加被认为可以减少痛觉神经的活性,从而减少肠道疼痛。

  由铁木制药研究人员开发的利那洛肽是一种鸟苷酸环化酶激动剂(GCCA),它与肠道中的鸟苷酸环化酶C结合,从而使细胞内和细胞外的cGMP浓度增高,达到治疗便秘型肠易激综合征的目的。据了解,铁木制药已向中国国家食品与药物监督管理局(SFDA)提交了三期临床试验申请,以便评估利那洛肽在治疗便秘型肠易激综合征成年患者时的有效性与安全性。阿斯利康亚太区副总裁兼中国区总裁马克·马龙表示:“利那洛肽为患者提供一种新的治疗便秘的选择。

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