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Dynamic simulation of pharmacokinetic systems using the electrical circuit analysis program SPICE2

K M Thakker, J H Wood, D C Mikulecky

    Computer Programs in Biomedicine
    |August 1, 1982
    PubMed
    Summary

    This study demonstrates using the SPICE2 electrical circuit simulation program for pharmacokinetic modeling. Network thermodynamics enable accurate simulation of drug absorption, metabolism, and protein binding, offering a valuable research tool.

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    Area of Science:

    • Pharmacokinetics
    • Computational Biology
    • Biophysics

    Background:

    • Pharmacokinetic systems modeling is crucial for drug development.
    • Traditional simulation methods can be complex and time-consuming.
    • Network thermodynamics offers a novel approach by drawing analogies between biological and electrical systems.

    Purpose of the Study:

    • To introduce and evaluate the SPICE2 program for simulating pharmacokinetic systems.
    • To demonstrate the application of network thermodynamic principles in pharmacokinetic modeling.
    • To showcase the program's utility for complex pharmacokinetic phenomena.

    Main Methods:

    • Utilized the SPICE2 electrical circuit simulation program.
    • Applied network thermodynamic principles to model pharmacokinetic processes.

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  • Simulated various phenomena including Michaelis-Menten kinetics, drug dosing regimens, and drug-protein binding.

    • Main Results:

    • SPICE2 successfully simulated linear and non-linear pharmacokinetic systems.
    • The program efficiently modeled complex scenarios like divided daily dosing and drug metabolism.
    • Graphical and tabular data of drug concentrations over time were generated.

    Conclusions:

    • SPICE2 provides an economical and effective tool for pharmacokinetic simulations.
    • The program's approach, based on network thermodynamics, simplifies the modeling of complex biological processes.
    • SPICE2 serves as a valuable educational and research tool in pharmacokinetics.