一个新的泌尿甲索特酸的药理动力学模型,以评估类风湿性关节炎的坚持
Marion Geoffroy1, Claire Gozalo2, Céline Konecki2
1Rheumatology, CHU Maison Blanche, Reims, Reims, France.
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie
|October 21, 2023
概括
一个新的药理动力学模型准确地测量了尿中甲状腺酸盐 (MTXu) 水平,提供了一个客观的工具来评估类风湿性关节炎治疗的坚持. 这有助于区分因不坚持而导致的不响应与真正的药物不响应.
科学领域:
- 药理动力学 药理动力学
- 类风湿性关节炎的治疗方法
- 生物标志物开发 生物标志物开发
背景情况:
- 甲托雷克萨特 (MTX) 是一种治疗类风湿性关节炎 (RA) 的第一线疗法.
- 目前的管理缺乏客观的测定来确认治疗坚持.
- 评估坚持是有效的RA治疗的关键.
研究的目的:
- 为尿道MTX (MTXu) 动力学开发一个人口药理动力学 (PopPK) 模型.
- 评估MTXu作为对RA患者MTX坚持的客观指标.
主要方法:
- 一般化的线性模型来评估MTXu水平与MTX管理.
- 使用Monolix软件开发了一个PopPK模型,使用59名患者的数据.
- 模拟以确定参考动力学和评估预测准确性.
主要成果:
- 尿液MTX (MTXu) 与MTX的使用有很高的相关性 (敏感性/特异性>99%).
- 一个具有第一阶动力学的两部分PopPK模型得到了验证.
- 该模型预测了典型的MTX剂量和采样时间的真实阳性结果,准确度>90%.
结论:
- 一个经过验证的PopPK模型准确地描述了尿路甲状腺的分泌模式.
- 这使得在临床实践中评估MTX遵守的新型客观测试成为可能.
- 区分不响应和不遵守可以优化RA管理.
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