国内鸟苷酸环化酶激动剂令泽舒®获批,将填补我国IBS-C治疗空白

2019-01-15 MedSci MedSci

2019年1月15日,阿斯利康公司今日宣布,国家药品监督管理局(NMPA)已正式批准全球第一个(First in class)鸟苷酸环化酶激动剂令泽舒®(Linzess)(利那洛肽linaclotide)在中国上市。作为美国消化病学会(AGA)指南推荐用于治疗成人便秘型肠易激综合征(IBS-C)的处方药(推荐等级:强烈推荐,证据等级:高),令泽舒®的获批将填补我国成人便秘型肠易激综合征治疗空白,开

2019年1月15日,阿斯利康公司今日宣布,国家药品监督管理局(NMPA)已正式批准全球第一个(First in class)鸟苷酸环化酶激动剂令泽舒®(Linzess)(利那洛肽linaclotide)在中国上市。作为美国消化病学会(AGA)指南推荐用于治疗成人便秘型肠易激综合征(IBS-C)的处方药(推荐等级:强烈推荐,证据等级:高),令泽舒®的获批将填补我国成人便秘型肠易激综合征治疗空白,开创IBS-C规范化治疗新时代。

利那洛肽在美国等全球30多个国家获得批准上市。目前,利那洛肽已成为全球便秘型肠易激综合征的领先处方药。阿斯利康与Ironwood制药有限公司于2012年达成合作,共同负责令泽舒®在中国的开发及上市推广。

IBS-C严重影响生活质量,治疗急需标准化

肠易激综合征(IBS)是临床常见的一种功能性肠病,便秘型肠易激综合征(IBS-C)是亚型之一,临床症状主要表现为反复发作的便秘,并伴随与排便有关的腹痛、腹胀和腹部不适症状。因其反复发作,患者生存质量受到影响。我国至少有1400万患者饱受病症困扰,IBS的患病率高达6.5%,其中15%为IBS-C6。目前,IBS-C在我国尚无针对性的有效治疗药物,临床主要根据症状选择相关的替代治疗药物,如解痉剂、渗透性泻药等。 

我国IBS-C患者的确诊率普遍较低,即使确诊,由于缺乏专门针对IBS-C的治疗药物,只能选择一些替代药物达到短期缓解症状的目的。数据显示,当患者出现多种症状时,往往需要多药联合治疗,并且由于目前替代治疗效果不理想,患者只能反复就诊咨询医师,或者自行调整治疗方案,一方面增加了相关医疗成本,另一方面“反复试药”的困境也加大了患者的“肠道耐药“和”心理无助“的风险。因此,IBS-C治疗面临了巨大的未被满足的临床需求,急需符合国际指南推荐的标准化治疗药物。

中华医学会消化病学分会主任委员、中山大学附属第一医院副院长陈旻湖教授表示:“便秘型肠易激综合征是一种影响生活质量的疾病,目前的治疗手段非常有限。利那洛肽被批准上市,为肠易激综合征患者的治疗提供了新的选择,也将促进便秘型肠易激综合征向规范化、标准化迈进,对于提升我国便秘型肠易激综合征的诊疗水平有着重要意义。“

利那洛肽疗效快速持久,创新作用机制提供治疗新选择

令泽舒®的创新机制是通过激活人体一种自有的鸟苷酸环化酶,促使肠液分泌,并通过降低内脏高敏感,达到同时缓解患者便秘、腹痛腹胀和腹部不适等症状的效果。

令泽舒®全球多中心临床研究显示 ,令泽舒®可同时满足FDA规定的复合治疗终点,应答率显著高于安慰剂组(33.7% vs 13.9%)。中国Ⅲ期临床研究证实,令泽舒®起效快速,在治疗一周内,即可改善腹痛、腹胀等症状。同时效果持久,耐受性良好,88%的患者在26周治疗期内都显著增加了自主排便的次数。75%的患者症状得到显著改善。

此外,令泽舒®的作用部位在肠道,几乎不吸收入血,也不增加肝肾代谢负担,安全性良好,最常见的不良反应为轻度和中度腹泻,无临床显著后遗症。

中华医学会消化病学分会候任主任委员、四川大学华西医院消化内科主任唐承薇教授表示:“利那洛肽是第一个在中国大陆获批的鸟苷酸环化酶激动剂,该创新药的上市,将为中国的IBS-C患者提供更好的治疗选择,从一个新的角度帮助患者改善症状,提高生活质量。”

阿斯利康全球药物开发高级副总裁及中国新药开发部总裁陈之键先生表示: “阿斯利康中国新药开发部始终‘以患者为中心’,致力于发现并满足中国患者最迫切的治疗需求。令泽舒®获批,将为中国便秘型肠易激综合征患者带来开创性的治疗药物,让患者享受无胀痛,‘便’轻松的生活。” 

“作为治疗IBS-C的创新处方药物,令泽舒®填补了国内相关领域治疗空白。“ 阿斯利康全球执行副总裁、国际业务及中国总裁王磊先生表示:”未来,阿斯利康仍以把全球顶尖创新药物引入中国为己任,同时与消化领域专业学会、医师及合作伙伴通力协作,提高药物可及性,让中国患者在第一时间享受国际新药的治疗。”

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    2019-01-17 柳叶一刀
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