斑块性银屑病新药brodalumab临床III期结果优异

2014-11-28 佚名 不详

治疗斑块性银屑病药物brodalumab在临床三期对比研究中击败了畅销药物Stelara。这一研究结果也将有利于brodalumab在欧盟和美国市场的药物审批过程。 根据公司披露的数据,此次临床三期研究主要采用了Psoriasis Area and Severity Index score 100(PASI 100)和Psoriasis Area and Severity Index score

治疗斑块性银屑病药物brodalumab在临床三期对比研究中击败了畅销药物Stelara。这一研究结果也将有利于brodalumab在欧盟和美国市场的药物审批过程。

根据公司披露的数据,此次临床三期研究主要采用了Psoriasis Area and Severity Index score 100(PASI 100)和Psoriasis Area and Severity Index score 75(PASI 75)两项指标。结果显示,在brodalumab治疗组中,210mg剂量组、体重依赖剂量组、140mg剂量组达到PASI 100指标的患者比率分别为44.4%、33.6%、25.7%;而Stelara治疗组和对照组的这一数字仅为21.7%和0.6%。而210mg brodalumab治疗组和Stelara治疗组在PASI 75这一指标上也表现出明显的差异:前者达到了86.3%,后者为70%。

最新一项研究表明,181位受试者中,144位完成120周临床试验。在120周时按Static physician global assessment scores标准,72%和51%患者达到完全消退和绝大部分消退。PASI-75, PASI-90, PASI-100反应在12周分别为95%/85%/63%,直至120周,仍然为86%/70%/51%

显然,阿斯利康公司将这一药物作为公司全球研发战略的一项重要内容,分析人士预测,brodalumab上市后的年销售额将可达到5亿美元到15亿美元之间。根据两家公司的协议,安进公司将获得该药物在美国市场的销售权。

不过,几周之前,诺华公司开发的IL-17药物secukinumab同样取得了出色的研究成果,其效果令FDA的专家委员会交口称赞。此外,默沙东的MK-3222和强生公司开发的IL-23药物guselkumab都是安进和阿斯利康公司在这一市场上强有力的竞争者。因此,安进公司和阿斯利康公司真正需要考虑的是这一药物如何在强敌环生的市场上杀出一条血路。

原始出处:

Papp K, Leonardi C, Menter A, Thompson EH, Milmont CE, Kricorian G, Nirula A, Klekotka P.Safety and efficacy of brodalumab for psoriasis after 120 weeks of treatment.J Am Acad Dermatol. 2014 Oct 10. pii: S0190-9622(14)01888-X.

Osamu N, Hirotaka N, Koji S, Kenji T.Clinical pharmacology of the anti-IL-17 receptor antibody brodalumab (KHK4827) in Japanese normal healthy volunteers and Japanese subjects with moderate to severe psoriasis: a randomized, dose-escalation, placebo-controlled study.J Dermatol Sci. 2014 Sep;75(3):201-4

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    2015-09-28 snf701207
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    2015-09-02 juliusluan78
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    2014-11-30 zxl733
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