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马斯塔西马布,一种抗组织因子通路抑制剂,与绕道药物结合:对血栓生成和血液静止正常大鼠的影响

Marjorie A Peraza¹, Swapnil Rakhe¹, Susan Hurst²

¹Rare Disease Research Unit, Pfizer Inc, Cambridge, Massachusetts, USA.

Research and practice in thrombosis and haemostasis

|November 17, 2025

概括

马斯塔西马布与绕过剂结合显示出对血友病治疗的潜力. 研究表明,当与pdFVIIa/FX一起使用时,它可以增加血液静止,而不会产生过多的血栓,并且在老鼠中耐受良好.

科学领域:

血液学血液学血液学
药理学药理学是指药理学的学科.

背景情况:

马斯塔西马布是一种用于血友病治疗的抗组织因子通路抑制剂.
使用抑制剂治疗血友病往往需要绕过像rFVIIa,aPCC或pdFVIIa/FX.这样的药物.

研究的目的:

评估马斯塔西马布和绕过药物的过度血栓生成潜力.
为了评估同时使用马斯塔西马布和绕过药物的添加性血静效应.

主要方法:

在体外进行了使用马斯塔西马布与pdFVIIa/FX在血友和非血友等离子体中生成血栓的测试.
在生体内对大鼠进行的药理动力学和药理动力学研究检查了marstacimab与rFVIIa,aPCC和pdFVIIa/FX.结合.

主要成果:

在体外,marstacimab加 pdFVIIa/FX 减少了滞后时间和增加了峰值血栓.
在体内, marstacimab 与 rFVIIa 呈现出增加的血栓/栓塞; marstacimab 与 aPCC 改变了凝血参数.
马斯塔西马布加pdFVIIa/FX显示出有限的凝血变化,类似于单独的pdFVIIa/FX.

结论:

马斯塔西马布与pdFVIIa/FX一起增强血静,而不会产生过多的血栓.
马斯塔西马布与rFVIIa,aPCC或pdFVIIa/FX结合在老鼠中耐受良好.
这些发现支持马斯塔西马布在对血友病的联合治疗中的安全性和有效性.

关键词:

血友病 (hemophilia) 是一种血友病.马斯塔西马布 (MARSTACIMAB) 是一个大陆星球.临床前研究临床前研究鼠类鼠类鼠类鼠类鼠类血栓激素血栓激素是一种

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