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Related Experiment Videos

Dose size and dosing interval determination.

W A Ritschel

    Arzneimittel-Forschung
    |September 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a method to calculate drug dose sizes and dosing intervals for multiple dose therapy using minimum inhibitory concentration (MIC) or minimum effective concentration (MEC). The approach accounts for renal failure adjustments, aiding in optimized therapeutic drug monitoring.

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    Area of Science:

    • Pharmacokinetics
    • Pharmacodynamics
    • Drug Dosing

    Background:

    • Accurate drug dosing is crucial for effective therapy.
    • Traditional dosing calculations may not fully account for individual patient variability.
    • Understanding drug concentration-time profiles is key to optimizing treatment.

    Purpose of the Study:

    • To develop a method for calculating optimal drug dose size and dosing interval.
    • To incorporate minimum inhibitory concentration (MIC) or minimum effective concentration (MEC) into dosing calculations.
    • To provide a framework for adjusting drug doses in patients with renal failure.

    Main Methods:

    • Utilized open one-compartment or two-compartment pharmacokinetic models.
    • Derived dose size and dosing interval equations from minimum blood-level concentration (c'min).

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  • Incorporated correction factors for renal impairment based on creatinine clearance or serum creatinine.

    • Main Results:

    • Established equations to determine required dose size or dosing interval based on MIC/MEC.
    • Demonstrated the applicability of the model for a wide range of body weights and ages (excluding severe edema/obesity).
    • Validated a method for dose adjustment in patients with renal insufficiency.

    Conclusions:

    • The proposed method enables precise calculation of drug doses and intervals for multiple dosing regimens.
    • This approach facilitates personalized medicine by optimizing drug exposure based on therapeutic targets.
    • The inclusion of renal function adjustments enhances the safety and efficacy of drug therapy in specific patient populations.