一项针对移植患者的前性受控随机临床试验,使用基于模型的贝叶斯预测开发了个性化的塔克罗利斯剂量
Nuria Lloberas1, Josep M Grinyó2, Helena Colom3
1Nephrology Department, Hospital Universitari de Bellvitge-Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Barcelona, Spain.
Kidney international
|June 30, 2023
概括
一个新的人口药理动力学 (PPK) 模型显著改善了移植患者的塔克罗利斯 (Tac) 剂量. 这种模型有助于更快地达到治疗性最低Tac度,并且剂量调整比标准基于体重的剂量调整少.
科学领域:
- 药理学 药理学是指药理学的学科.
- 移植医学 移植医学
- 临床药房 临床药房
背景情况:
- 塔克罗利莫斯 (Tac) 的剂量依赖于经验,基于体重的调整.
- 目前的方法缺乏个性化,可能导致治疗度低于最佳的治疗谷Tac度 (Tac Co).
研究的目的:
- 开发和验证一个人群药代动力学 (PPK) 模型,用于个性化的Tac剂量.
- 将PPK模型的临床适用性与制造商的标签进行比较,以实现移植患者的目标Tac Co.
主要方法:
- 一个前性的,双臂随机临床试验,涉及90名脏移植接受者.
- 开发一种PPK模型,其中包括药物遗传学 (CYP3A4/CYP3A5),年龄和血红素.
- 贝叶斯预测建模 (NONMEM) 在PPK组的Tac剂量调整.
主要成果:
- 与对照组 (20.8%) 相比,PPK组的患者 (54.8%) 实现了目标Tac Co的显著增加.
- PPK组更早达到目标Tac Co (5天而不是10天),患者内变化较小,剂量修改较少.
- 两组之间没有观察到临床结果的显著差异.
结论:
- 基于PPK的Tac剂量表现出优于传统的基于体重的方法来启动Tac治疗后的移植.
- 这种个性化的方法优化了策略治疗,特别是在移植后的关键早期.
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