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药物血浆蛋白结合影响药效动力学44800万达影视院影

更新时间:2025-11-18 04:24:43 | 人气:145440 | 作者:危曦冬,何有恒, |

**药物血浆蛋白结合对药效动力学的影响**

**1. 引言**

药物在体内的作用不仅取决于其化学结构和药理活性,还受到药物动力学(Pharmacokinetics, PK)和药效动力学(Pharmacodynamics, PD)的调控。其中,药物与血浆蛋白的结合(Plasma Protein Binding, PPB)是影响药物分布、代谢和药效的关键因素之一。血浆蛋白(如白蛋白、α₁-酸性糖蛋白等)能够与药物分子结合,从而影响药物的游离浓度、组织分布、清除速率以及最终的药效学表现。本文将从血浆蛋白结合的基本概念出发,探讨其对药效动力学的影响,并分析其在临床用药中的意义。

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**2. 血浆蛋白结合的基本概念**

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