FDA批准Tecfidera治疗多发性硬化症

2013-04-02 佚名 EGMN

  美国食品药品管理局(FDA)已批准一种新的每日2次口服药物——富马酸二甲酯用于治疗复发缓解型多发性硬化症(RRMS)。   将以Tecfidera作为商品名上市的该药物被认为具有预防大脑氧化应激的作用。此外,试验证据表明,它还具有抗炎和神经保护剂的作用。   Tecfidera将成为众多已获批的MS治疗药物之一。根据美国多发性硬化症学会(NMSS)资料,两种剂型的干扰素β-1a(Avone

  美国食品药品管理局(FDA)已批准一种新的每日2次口服药物——富马酸二甲酯用于治疗复发缓解型多发性硬化症(RRMS)。

  将以Tecfidera作为商品名上市的该药物被认为具有预防大脑氧化应激的作用。此外,试验证据表明,它还具有抗炎和神经保护剂的作用。

  Tecfidera将成为众多已获批的MS治疗药物之一。根据美国多发性硬化症学会(NMSS)资料,两种剂型的干扰素β-1a(Avonex 和Rebif)以及两种剂型的β-1b(Betaseron和Extavia)已获准用于RRMS治疗,此外获批的药物还包括醋酸格拉替雷(Copaxone)、芬戈莫德(Gilenya)和特立氟胺(Aubagio)。那他珠单抗(Tysabri)也获准用于RRMS治疗,但附带了限制条件。米托蒽醌(Novantrone)获准用于继发进展型、进展复发型和复发缓解型MS治疗。达伐吡啶(Ampyra)被批准用于改善MS患者的行走能力。

  FDA药物评价和研究中心神经类产品室主任Russell Katz博士在声明中指出:“由于没有能治愈MS的药物,因此向患者提供多种治疗选择非常重要。”

  FDA称,MS是导致年轻成人神经性残疾最常见的原因之一,且女性患病率高于男性。大约400,000美国人罹患该病,而复发缓解型是最常见的。其特点是患者功能日益恶化,随后进入恢复期,但随着时间推移,恢复期越来越不完整,导致功能逐步下降和残疾增加。

  富马酸二甲酯的获批是基于纳入2,600多例患者的DEFINE和CONFIRM这2项Ⅲ期临床试验的结果。DEFINE研究结果和CONFIRM研究结果分别在2011年第4届MS合作会议和2012年ECTRIMS/ACTRIMS联合大会上进行了报告。

  Biogen Idec公司称,在DEFINE研究中,富马酸二甲酯服用者复发率和残疾率分别减少49%和38%,而CONFIRM研究服药者复发率减少34%。2项研究均表明,与安慰剂相比,富马酸二甲酯可显著减少大脑损伤。

  克利夫兰医学中心Mellen多发性硬化症中心医学主任Robert Fox博士在Biogen公司的声明中称:“在临床试验中,与安慰剂组患者相比,富马酸二甲酯治疗患者疾病活动性下降,无论他们是MS早期患者还是更为确切的患者。该药物为医生提供了针对不同MS阶段患者的又一种重要治疗选择。”Fox博士是CONFIRM研究的首席研究员,还是Biogen Idec公司其他项目的有偿顾问。

  FDA称,富马酸二甲酯可降低淋巴细胞计数,但没有证据表明服药患者感染增加。建议在开始治疗前以及此后每年监测患者的淋巴细胞计数。面部潮红和胃肠道不适是最常见不良反应。

  Biogen Idec公司称,该药物将在数日内投放市场。初始推荐剂量为120 mg,2次/日,口服给药;1周后,推荐剂量增至240 mg,2次/日。



    

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    2013-05-03 bugit
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    2013-10-17 jml2009
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    2013-05-06 shock_melon
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Nature:食盐或是导致自身免疫性疾病

    近年来,多发性硬化症和I型糖尿病等“自体免疫”(autoimmune)性疾病在发达国家的发病率飙升。一项发表在《自然》杂志上的文章指出,食盐或是导致“自体免疫”疾病的罪魁祸首。   为了维持健康,人体依靠精细的免疫平衡:如果免疫功能低下,那么就容易受到感染;如果免疫功能亢进,那么就会导致免疫系统攻击健康的机体组织,也就是所谓的“自体免疫”。   一些自体

PLOS ONE:抗癌药伊马替尼可缓解多发性硬化症

  近日在美国《国家公共图书馆期刊》上发表的一项最新研究显示,伊马替尼这种目前常被用于治疗癌症的药物还可缓解并放慢多发性硬化症(MS)这种自身免疫病的恶化进程。瑞典卡罗琳学院的研究人员做了此项研究并得出上述结论,这有助于MS治疗新方式的研发。   多发性硬化症是一种免疫系统攻击脊髓和大脑的疾病,会对神经组织造成伤害,从而引起视力障碍、瘫痪以及其他神经障碍。在瑞典,MS患者约有1.7万人,其中大部