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撸猫有风险!抗体鸡尾酒REGN1908-1909治疗猫过敏性轻度哮喘,II期研究取得阳性结果

2021-03-01 Allan MedSci原创

该试验达到了预防早期哮喘反应的主要终点(EAR,定义为一秒钟内强制呼气量下降≥20%[FEV1])。

猫诱发的过敏主要是由于暴露于Fel d 1引起的,Fel d是所有猫皮屑中的主要过敏原。Fel d 1粘附在衣服、地毯和家具上,通过空气传播扩散到周围环境中。患者通常会经历轻度至重度症状的快速发作,这些症状包括鼻塞、眼睛发痒、胸部紧绷和喘息。

目前,用抗组胺药和鼻内皮质类固醇治疗猫诱发的过敏性鼻炎,但疗效不佳。过敏原特异性免疫疗法需要12到24个月才能见到临床效果,并禁止用于患有严重或无法控制的哮喘患者。重要的是,猫过敏与哮喘之间的关联非常重要,因为超过50%的猫过敏患者并存哮喘。尽管很少见,但这些患者的猫过敏可能会引发威胁生命的哮喘发作,并导致住院治疗。

制药公司Regeneron近日公布了一项II期概念验证试验的详细结果,该试验评估了研究性抗体鸡尾酒REGN1908-1909治疗轻度哮喘猫过敏患者的有效性。该试验达到了预防早期哮喘反应的主要终点(EAR,定义为一秒钟内强制呼气量下降≥20%[FEV1])。该试验还达到了关键的次要终点,包括改善肺功能和增加单剂治疗后患者可以耐受的猫过敏原量。这些结果以口头报告形式分享在2021年美国过敏、哮喘和免疫学学会(AAAAI)年会上。

REGN1908-1909是两种全人源单克隆IgG抗体的混合物,旨在特异性结合并阻断Fel d 1过敏原,从而防止其结合并触发引起过敏的内源性抗体(例如,免疫球蛋白E)。REGN1908-1909是使用Regeneron专有的VelocImmune®技术开发的。

 

原始出处:

https://www.firstwordpharma.com/node/1804879?tsid=4

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    2021-03-12 小孔医生

    Feld1为猫皮屑的主要过敏原 超过百分之五十对猫过敏都有哮喘 抗体鸡尾酒可治疗猫过敏性轻度哮喘 这种疗法根本原因防止自己内源性免疫(球蛋白E)

    0

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    2021-03-03 qblt
  5. [GetPortalCommentsPageByObjectIdResponse(id=1642075, encodeId=34b116420e59f, content=<a href='/topic/show?id=679b9e514c8' target=_blank style='color:#2F92EE;'>#阳性结果#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97514, encryptionId=679b9e514c8, topicName=阳性结果)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=28fb22837833, createdName=12498cb5m20暂无昵称, createdTime=Tue May 11 15:19:52 CST 2021, time=2021-05-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2047385, encodeId=b557204e3859c, content=<a href='/topic/show?id=6f5294036b1' target=_blank style='color:#2F92EE;'>#过敏性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=94036, encryptionId=6f5294036b1, topicName=过敏性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a8e213, createdName=hongbochen, createdTime=Sun Sep 19 08:19:52 CST 2021, time=2021-09-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=947556, encodeId=891894e55608, content=Feld1为猫皮屑的主要过敏原 超过百分之五十对猫过敏都有哮喘 抗体鸡尾酒可治疗猫过敏性轻度哮喘 这种疗法根本原因防止自己内源性免疫(球蛋白E), beContent=null, objectType=article, channel=null, level=null, likeNumber=119, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210310/466b1701110f4394ae3a6cd607844bd5/1b665134aa2b423c873ad0ca9920f82b.jpg, createdBy=bb545451118, createdName=小孔医生, createdTime=Fri Mar 12 00:56:00 CST 2021, time=2021-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1574833, encodeId=587e15e48335d, content=<a href='/topic/show?id=da8110295622' target=_blank style='color:#2F92EE;'>#鸡尾酒#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102956, encryptionId=da8110295622, topicName=鸡尾酒)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=519516025516, createdName=qblt, createdTime=Wed Mar 03 00:19:52 CST 2021, time=2021-03-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=944403, encodeId=46d3944403d1, content=超过50%的猫过敏者存在哮喘, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210110/e6124a4b19bc40ce8afaae096d21126b/dd778ac260c9416eb87e7d08139507f5.jpg, createdBy=4d2f5079605, createdName=科研科研科研, createdTime=Mon Mar 01 12:49:44 CST 2021, time=2021-03-01, status=1, ipAttribution=)]
    2021-03-01 科研科研科研

    超过50%的猫过敏者存在哮喘

    0

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危重哮喘 (CA) 是一个涵盖不同定义的总称,所有定义均指哮喘急性发作,可迅速恶化为呼吸衰竭,通常需要重症监护治疗,可能还需要机械通气 (MV)。在本文中,我们总结了危重哮喘治疗的当前证据。

WJP:儿童哮喘与食品污染物暴露之间的关系

这项研究探讨了食品加工污染物与儿童健康之间的关系,研究为某些食品污染物(如ACRYL和NITRA)的潜在影响以及它们与哮喘的关系提供了更多证据。

J Allergy Clin Immunol Pract:Dupilumab对接受高剂量或中等剂量吸入性糖皮质激素治疗的儿童2型炎症哮喘的临床疗效

无论基础治疗的ICS剂量如何,Dupilumab在儿童2型哮喘的治疗中都能显著减少急性加重事件,改善肺功能及哮喘控制水平。

儿科哮喘严重程度评分(Pediatric Asthma Severity Score,PASS)

儿科哮喘严重程度评分(Pediatric Asthma Severity Score,PASS)

Eur Respir Rev:人工智能在儿童哮喘急性加重风险预测中的应用

机器学习算法在儿童哮喘急性加重住院风险预测方面表现出较高的准确性。

Ann Med:美泊利单抗长期安全性研究:重度哮喘患者10年随访数据

美泊利单抗在重度哮喘患者中的安全性与既往研究一致,未发现新的安全性信号。

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