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Related Experiment Videos

Fluorometric assay for N-acetylprocainamide.

E Matusik, T P Gibson

    Clinical Chemistry
    |December 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a fast fluorometric assay for quantifying procainamide and N-acetylprocainamide in serum. The method accurately measures both drugs in mixtures across a wide concentration range.

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    Area of Science:

    • Analytical Chemistry
    • Clinical Chemistry
    • Pharmacology

    Background:

    • Procainamide and its metabolite N-acetylprocainamide are crucial therapeutic agents.
    • Accurate quantification of these drugs in biological samples is essential for therapeutic drug monitoring.
    • Existing analytical methods may lack simplicity, speed, or the ability to differentiate between the two compounds.

    Purpose of the Study:

    • To develop and validate a simple, rapid fluorometric assay for the separate quantitative analysis of procainamide and N-acetylprocainamide.
    • To establish the assay's performance characteristics in serum samples.

    Main Methods:

    • A novel fluorometric assay was developed for simultaneous detection.
    • Serum samples were utilized to determine the assay's effectiveness in a relevant biological matrix.

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  • Standard analytical chemistry techniques were employed for recovery and variation assessments.

    • Main Results:

    • The assay demonstrated an effective linear range of 0.1 to 10.0 mg/liter in serum for both drugs.
    • The method showed high analytical recoveries: 100.0 +/- 3.0% for procainamide and 98.0 +/- 4.0% for N-acetylprocainamide.
    • The maximum coefficient of variation for determining either compound was 10%.

    Conclusions:

    • The developed fluorometric assay is a simple and rapid method for the separate quantification of procainamide and N-acetylprocainamide in serum.
    • The assay is reliable, exhibiting good linearity, high recovery, and acceptable precision.
    • This method can aid in therapeutic drug monitoring for patients treated with procainamide.