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Related Experiment Videos

DATALIN--an interactive data entry program for use with NONLIN.

J D Henderson, R Allen, W R Ravis

    Journal of Pharmacological Methods
    |September 1, 1985
    PubMed
    Summary
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    This study introduces FORTRAN programs for inputting pharmacokinetic data into NONLIN (version II). These programs facilitate the analysis of plasma concentration-time curves for various dosing scenarios and pharmacokinetic models.

    Area of Science:

    • Pharmacokinetics and Pharmacodynamics
    • Computational Biology
    • Data Analysis Software

    Background:

    • Accurate data entry is crucial for reliable pharmacokinetic analysis.
    • Existing methods for data input into NONLIN (version II) may require enhancement for complex models.
    • Pharmacokinetic modeling relies on precise parameter estimation from plasma concentration-time data.

    Purpose of the Study:

    • To describe a package of FORTRAN programs designed for efficient data entry into NONLIN (version II).
    • To facilitate the analysis of plasma-concentration time curves for fourteen distinct pharmacokinetic models.
    • To provide a user-friendly interface for modifying analysis parameters and data points.

    Main Methods:

    • Development of a FORTRAN program package for NONLIN (version II) data input.

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  • Implementation of subroutines for editing initial parameter estimates, limits, weighting factors, and iteration counts.
  • Inclusion of functionalities for modifying, inserting, and deleting individual data points (X and Y values).

    • Main Results:

    • The program package supports data entry for fourteen pharmacokinetic models using microconstants (volume of compartments, rate constants).
    • It accommodates zero-order infusion rates and first-order absorption rates.
    • An edit subroutine allows comprehensive data and parameter manipulation for NONLIN analysis.

    Conclusions:

    • The developed FORTRAN programs streamline data entry for NONLIN (version II) pharmacokinetic analysis.
    • The software enhances the flexibility and accuracy of analyzing plasma-concentration time data for various models.
    • This tool aids researchers in performing detailed pharmacokinetic studies with improved data management.