在一个新的延长释放微粒子配方中,皮下布皮瓦卡因的种群药理动力学模型
Ida Klitzing Storgaard1, Elisabeth Kjær Jensen2,3, Søren Bøgevig4
1Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
这项研究开发了延长释放布皮瓦卡因微粒的种群药理学-药理学模型,揭示了双相吸收和剂量依赖的效应,以改善术后疼痛管理.
科学领域:
- 药理学 药理学是指药理学的学科.
- 药理动力学 药理动力学
- 疼痛管理 疼痛管理
背景情况:
- 延长释放布皮瓦卡因微粒配方提供了长期的术后疼痛缓解的潜力.
- 了解药理动力学-药理动力学 (PK-PD) 概况对于优化药物疗效和安全至关重要.
研究的目的:
- 开发一个人群PK-PD模型,以一种新的延长释放微粒配方进行皮下注射布皮瓦卡因.
- 描述这种配方用于术后疼痛管理的吸收,排放和作用.
主要方法:
- 一个第一阶段,随机,双盲,安慰剂控制的研究,涉及28名健康男性.
- 皮下注射布皮瓦卡因微粒 (LIQ865A和LIQ865B) 的剂量在150至600毫克之间.
- 非线性混合效应建模以适应等离子体度-效应-时间数据,使用热量检测值作为药理动力学终点.
主要成果:
- 布皮瓦卡因PK最好用一个具有双相吸收 (快速的零级和缓慢的第一级过程) 的两部分模型来描述.
- 缓慢的吸收过程是剂量依赖的,并且在较高剂量下限制了排泄速度.
- 在血度和效果之间观察到线性PK-PD关系.
结论:
- 开发的PK-PD模型为布皮瓦卡因微粒配方的行为提供了新的见解.
- 双相吸收是这种配方的关键特征,影响药物暴露和效果.
- 这种理解可以引导开发有效的延长释放局部麻醉剂用于术后疼痛.
更多相关视频
11:07Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging
Published on: November 24, 2021
10:53Anionic Polymerization of an Amphiphilic Copolymer for Preparation of Block Copolymer Micelles Stabilized by π-π Stacking Interactions
Published on: October 10, 2016
相关概念视频
One-Compartment Open Model for IV Bolus Administration: General Considerations
The drug's presence in the body is defined by an equation representing the difference between the rates of drug entry and exit. Key parameters—elimination rate constant,...
Two-Compartment Open Model: IV Bolus Administration
The disparity between drug input and the sum of drug transfer rates between...
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
Pharmacokinetic Models: Overview
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...
One-Compartment Open Model for IV Bolus Administration: Estimation of Elimination Rate Constant, Half-Life and Volume of Distribution
Physiological Pharmacokinetic Models: Incorporating Hepatic Transporter-Mediated Clearance
A recent model describes pravastatin's hepatobiliary excretion,...
