在肥胖的血液透析患者中,使用非线性混合效应模型估计 جنت米辛的个体药理学参数
Hyoeun Lee1, Seonghae Yoon1,2, Jae Yong Chung1,2
1Department of Clinical Pharmacology and Therapeutics, Seoul National University Bundang Hospital, Seongnam 13620, Korea.
Translational and clinical pharmacology
|October 10, 2024
概括
在肥胖的血液透析患者中估计单个 جنت米辛的药理动力学参数显示出显著的变化. 肥胖会影响健美清除,强调需要在血液透析患者个性化剂量.
科学领域:
- 药理动力学 药理动力学
- 腎臟病學 (nephrology) 是一種醫學.
- 制药指标 (Pharmacometrics) 是一个指标.
背景情况:
- 肥胖症在药物剂量方面带来了挑战,特别是对于脏清除的药物,如 جنت米辛.
- 血液透析 (HD) 显著改变药物清除,使肥胖患者的剂量方案复杂化.
研究的目的:
- 在接受血液透析的肥胖患者中估计 جنت米辛的个体药理学 (PK) 参数.
- 为了评估肥胖对本患者群体中健美清除 (CL) 的影响.
主要方法:
- 使用了NONMEM软件 (7.4.4版本) 与个人PK参数估计的POSTHOC选项.
- 整合血液透析 (HD) 和肌素清除 (CrCL) 作为人口PK (popPK) 模型中的共变量.
- 使用Monolix软件 (2024R1版本) 进行交叉验证的结果.
主要成果:
- 当初估计时,个体非HD CL (CLNHD) 显著减少 (36%的popPK).
- 调整为可能不准确的CrCL,患者的CLNHD增加到典型人口值的138%.
- 根他米辛的CL因使用的CrCL估计方法而有显著差异.
结论:
- 个性化PK参数估计对于肥胖的血液透析患者至关重要.
- 肥胖症显著影响健美素清除,需要量身定制的剂量策略.
- 准确评估功能对于在HD患者中可靠地给定 gentamicin 剂量至关重要.
相关概念视频
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Noncompartmental analyses offer an alternative method for describing drug pharmacokinetics without relying on a specific compartmental model. In this approach, the drug's pharmacokinetics are assumed to be linear, with the terminal phase log-linear. This assumption allows for simplified analysis and interpretation of the drug's behavior in the body.
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01:13Parameters Affecting Nonlinear Elimination: Zero-Order Input, First-Order Absorption and Two-Compartment Model
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01:06Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
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01:11One-Compartment Open Model: Urinary Excretion Data and Determination of k
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01:12Analysis of Population Pharmacokinetic Data
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