人口药理动力学和暴露-反应建模,以告知患有性结肠炎的患者选择risankizumab剂量
Neha Thakre1, Aline Goebel1, Insa Winzenborg1
1Clinical Pharmacology, AbbVie Deutschland GmbH & Co. KG, Ludwigshafen am Rhein, Germany.
Clinical pharmacology and therapeutics
|June 12, 2024
概括
这项针对性结肠炎的瑞桑基祖马布的研究发现,1200毫克的静脉诱导剂量是最佳的. 剂量调整对疗效或安全性结果的影响最小.
科学领域:
- 药理动力学和药理动力学
- 胃肠病学 胃肠病学
- 临床药理学 临床药理学
背景情况:
- 性结肠炎 (UC) 是一种慢性炎症性肠病.
- 优化药物剂量对于最大限度地提高UC治疗的有效性和安全性至关重要.
- 瑞桑基祖马布是一种因特乐金-23抑制剂,用于研究UC治疗.
研究的目的:
- 在UC患者中描述瑞桑基祖马布的群体药理动力学.
- 评估风桑基祖马布疗效和安全的暴露-反应关系.
- 确定UC里桑基祖马布诱导和维持治疗的最佳剂量方案.
主要方法:
- 使用IIb/III和III期研究的数据进行人口药理动力学 (PopPK) 建模.
- 对疗效和安全终点的暴露-反应 (E-R) 分析.
- 影响瑞桑基祖马布药理动学的共变量评估.
主要成果:
- 一个两部分的模型准确地描述了瑞桑基祖马布的药理动力学.
- 体重和白蛋白等共变量对暴露没有显示出具有临床意义的影响.
- 1200毫克的IV诱导剂量显示出接近最大的疗效,支持其使用.
- 没有观察到暴露依赖的安全事件.
- 随着360毫克和180毫克的皮下维持剂量,观察到适度的疗效改善.
结论:
- 推的瑞桑基祖马布治疗UC的治疗方案是1,200毫克的静脉诱导,然后是180毫克或360毫克的皮下维护.
- 这种剂量策略平衡了性结肠炎患者的疗效和安全性.
- 个体患者的因素对所选择的剂量方案的临床影响有限.
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