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Clinical pharmacokinetics of nitroxoline.

A Mrhar, Z Kopitar, F Kozjek

    International Journal of Clinical Pharmacology and Biopharmacy
    |December 1, 1979
    PubMed
    Summary
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    This study tracked nitroxoline distribution in rats and humans using radiolabeling and spectrophotometry. A pharmacokinetic model was developed and validated to understand nitroxoline

    Area of Science:

    • Pharmacokinetics and Drug Metabolism
    • Radiopharmaceutical Distribution Studies
    • Analytical Chemistry in Pharmacology

    Background:

    • Nitroxoline is an antimicrobial agent requiring pharmacokinetic evaluation.
    • Understanding drug distribution and metabolism is crucial for therapeutic efficacy.
    • Previous studies may lack comprehensive pharmacokinetic profiling.

    Purpose of the Study:

    • To investigate the pharmacokinetic profile of nitroxoline in rats and humans.
    • To determine the distribution, plasma, and bile levels of nitroxoline.
    • To develop and validate a pharmacokinetic model for nitroxoline.

    Main Methods:

    • Oral administration of 14C-Nitroxoline to rats with autoradiography and radioactivity measurements.
    • Oral and intravenous administration of nitroxoline to human volunteers.

    Related Experiment Videos

  • Spectrophotometric determination of unconjugated and conjugated nitroxoline in urine.
  • Pharmacokinetic modeling using analog-hybrid computer simulation.
  • Main Results:

    • Autoradiographic and radioactivity measurements revealed nitroxoline distribution in rats.
    • Plasma and bile levels of nitroxoline were quantified in animal models.
    • Urine concentrations of nitroxoline (unconjugated and conjugated) were measured in humans.
    • A validated pharmacokinetic model was established based on experimental data.

    Conclusions:

    • The study successfully elucidated the pharmacokinetic behavior of nitroxoline.
    • The developed model accurately represents nitroxoline's disposition in the body.
    • This research provides essential data for optimizing nitroxoline's clinical use.