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Related Experiment Videos

Oral pemoline kinetics in hyperactive children.

F Sallee, R Stiller, J Perel

    Clinical Pharmacology and Therapeutics
    |June 1, 1985
    PubMed
    Summary

    Pemoline

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    Area of Science:

    • Pharmacokinetics
    • Neuroscience
    • Pediatric Pharmacology

    Background:

    • Attention-deficit disorders (ADHD) are common in children.
    • Pemoline was used to treat hyperactivity in children with ADHD.
    • Understanding pemoline's pharmacokinetics is crucial for safe and effective use.

    Purpose of the Study:

    • To investigate the time course of pemoline in the plasma of prepubescent boys with ADHD.
    • To determine key pharmacokinetic parameters of pemoline in this population.
    • To explore potential reasons for pemoline's unpredictable effects and neurotoxicity.

    Main Methods:

    • Seven prepubescent boys diagnosed with ADHD participated.
    • A single oral dose of 2 mg/kg pemoline was administered.
    • Plasma concentrations of pemoline were measured over time.
    • Pharmacokinetic parameters including Cmax, Tmax, t1/2, and clearance were calculated.

    Main Results:

    • Maximum plasma concentrations (Cmax) of 4.3 ± 1.0 mg/L were achieved at 2.8 ± 1.8 hours.
    • Pemoline plasma levels declined monoexponentially.
    • Mean elimination half-life (t1/2) was 8.6 hours, and total body clearance was 0.65 ml/min/kg.
    • Significant interindividual variability was observed in elimination t1/2 (600%) and clearance (300%).

    Conclusions:

    • Pemoline exhibits a predictable time course in prepubescent boys with ADHD.
    • High interindividual variability in pemoline's pharmacokinetics may contribute to its unpredictable effects and neurotoxicity.
    • These findings highlight the importance of careful dosing and monitoring in pediatric patients.

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