纳米抗体药Cablivi获FDA批准 治疗罕见凝血障碍

2019-02-20 汉鼎好医友 健康界

近日,FDA批准 Cablivi(Caplacizumab-Yhdp),用于治疗成人获得性血栓性血小板减少性紫癜(aTTP)。Cablivi是首个特异性的aTTP治疗药物,也是首个获批上市的纳米抗体药。aTTP是一种罕见的导致血液凝结的危及生命的疾病, Cablivi是第一种将血浆交换与免疫抑制疗法结合用于该种疾病的药物。FDA肿瘤卓越中心主任Richard Pazdur博士说:“aTTP患者每天

近日,FDA批准 Cablivi(Caplacizumab-Yhdp),用于治疗成人获得性血栓性血小板减少性紫癜(aTTP)。Cablivi是首个特异性的aTTP治疗药物,也是首个获批上市的纳米抗体药。

aTTP是一种罕见的导致血液凝结的危及生命的疾病, Cablivi是第一种将血浆交换与免疫抑制疗法结合用于该种疾病的药物。

FDA肿瘤卓越中心主任Richard Pazdur博士说:“aTTP患者每天都要接受数小时的血浆置换治疗。治疗过程中,先通过机器将血液从体内抽出,然后将其与捐献的血浆混合,最后再输回患者体内。经过几天或几周的治疗,还需要服用免疫抑制药物,但许多患者仍然会复发。”

Cablivi是第一款抑制血块形成的靶向治疗药物,它为aTTP患者减少复发提供了新的治疗选择。

患有aTTP的人群会在全身的小血管中形成广泛的血栓。这些血栓会切断主要器官的氧气和血液供应,导致中风和心脏病发生,可能会带来大脑损伤甚至死亡。患者可能因癌症、HIV、妊娠、狼疮或感染等疾病患上aTTP,也可能在接受手术、骨髓移植或化疗后发生。

Cablivi的有效性基于一项145名患者参与的临床试验,他们随机接受Cablivi或安慰剂治疗。两组患者分别接受了血浆置换和免疫抑制治疗。试验结果表明,与安慰剂相比,接受Cablivi治疗的患者血小板计数改善更快,并且治疗期间aTTP相关死亡和复发的总数减少。

在整个研究期间(药物治疗期加上停药后28天的随访期),安慰剂组的复发率为38%,而Cablivi组的复发率仅为13%。

临床试验中,患者报告Cablivi常见的副作用是鼻出血或牙龈出血以及头痛。汉鼎好医友提醒,医生和患者在使用Cablivi时,需警惕严重的出血风险。

此前,FDA已授予该药优先审查资格,Cablivi还获得了孤儿药资格认定。这些政策为帮助和鼓励开发此类罕见病药物提供了激励。

Cablivi的发展历史:

2018.9.3  获EMA批准

2019.1.15 《新英格兰医学杂志》发表了Cablivi治疗罕见凝血障碍关键试验的积极结果

2019.2.6  获FDA批准

参考资料:

https://www.drugs.com/history/cablivi.html

https://www.drugs.com/newdrugs/fda-approves-cablivi-caplacizumab-yhdp-acquired-thrombotic-thrombocytopenic-purpura-attp-adults-4912.html

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    2019-02-22 syscxl
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    2019-02-20 明月清辉

    谢谢分享,学习了

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