Related Experiment Video

Updated: Apr 25, 2026

Preparation Of Gushukang GSK Granules for In Vivo and In Vitro Experiments
06:16

Preparation Of Gushukang GSK Granules for In Vivo and In Vitro Experiments

Published on: May 9, 2019

6.8K

[Study on pharmacokinetics-pharmacodynamics correlation of yin teng gu bi kang prescription]

Yuan-Qing Wang, Jian-Ye Yan, Shun-Xiang Li

    Zhong Yao Cai = Zhongyaocai = Journal of Chinese Medicinal Materials
    |September 2, 2014
    PubMed
    Abstract

    More Related Videos

    Preparation of Herbal Medicine: Er-Xian Decoction and Er-Xian-containing Serum for In Vivo and In Vitro Experiments08:07

    Preparation of Herbal Medicine: Er-Xian Decoction and Er-Xian-containing Serum for In Vivo and In Vitro Experiments

    Published on: May 31, 2017

    10.4K

    Related Concept Videos

    Pharmacokinetic–Pharmacodynamic Relationship: Problems01:24

    Pharmacokinetic–Pharmacodynamic Relationship: Problems

    The empirical approach to drug therapy optimization relies on correlating pharmacological response with administered dosage. Such an approach can be costly, time-consuming, and often yields poor correlation due to variables like formulation factors and drug elimination characteristics. A more precise approach correlates response with plasma drug concentration or the amount of drug in the body, rather than dosage. This is achieved through pharmacokinetic-pharmacodynamic (PK/PD) modeling, which...
    126
    Pharmacokinetic–Pharmacodynamic Relationship: Model Components01:14

    Pharmacokinetic–Pharmacodynamic Relationship: Model Components

    Pharmacokinetic-pharmacodynamic (PK–PD) modeling is essential in drug development and clinical pharmacology. It provides a quantitative framework to predict drug behavior and response over time. This approach integrates pharmacokinetics (PK), which describes the drug's absorption, distribution, metabolism, and excretion, with pharmacodynamics (PD), which characterizes the drug’s biological effects and mechanisms of action.The disposition kinetics of a drug determine its plasma...
    225
    Pharmacokinetic–Pharmacodynamic Relationship: Dose to Pharmacological Effect01:28

    Pharmacokinetic–Pharmacodynamic Relationship: Dose to Pharmacological Effect

    A drug’s dosage and pharmacokinetic properties determine how quickly it acts, how intense its effects are, and how long it lasts. Higher doses increase drug concentration at receptor sites, producing a hyperbolic curve when pharmacologic response is plotted against drug dose. Converting this scale to a log-linear format results in a sigmoidal curve, better representing dose–response relationships.For drugs following a one-compartment model, the pharmacologic response is directly...
    181
    Pharmacokinetic–Pharmacodynamic Relationship: Exposure, Response and Effect01:26

    Pharmacokinetic–Pharmacodynamic Relationship: Exposure, Response and Effect

    The pharmacokinetic-pharmacodynamic (PK-PD) relationship describes the intricate link between drug exposure, efficacy, and toxicity, forming the foundation for optimal dosing regimens. This relationship uses mathematical modeling to characterize drug concentration-effect dynamics, ensuring precise therapeutic outcomes.Exposure represents the pharmacokinetic aspect of the PK-PD relationship, denoting the drug amount that elicits a biological response. It is typically quantified by administered...
    265
    Pharmacokinetic–Pharmacodynamic Relationship: Duration of Dose-Effect Relationship01:14

    Pharmacokinetic–Pharmacodynamic Relationship: Duration of Dose-Effect Relationship

    For drugs producing a quantal response, onset occurs when plasma concentration reaches a minimum effective level (Cmin). The drug's action duration depends on how long the plasma concentration remains above Cmin.Two primary factors influence this duration: dose size and the rate of drug removal from the action site. Both depend on the drug's redistribution to poorly perfused tissues and elimination processes. A larger dose promotes rapid onset and prolongs the effect's duration.Consider a...
    121
    Pharmacokinetic–Pharmacodynamic Relationship: Intensity of Dose-Effect Relationship01:23

    Pharmacokinetic–Pharmacodynamic Relationship: Intensity of Dose-Effect Relationship

    Pharmacodynamics explores the relationship between drug concentration and its effect. In a quantal response drug, the duration of action better correlates with drug concentration, while for graded effect drugs, the intensity of response is more relevant. This intensity depends on the dose, drug removal rate, and the region of the concentration–response curve.The concentration–response curve can be divided into three regions. Region 3 (80–100% maximum response) demonstrates...
    207