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Related Experiment Videos

A dosing nomogram for continuous infusion intravenous naloxone.

L Goldfrank, R S Weisman, J K Errick

    Annals of Emergency Medicine
    |May 1, 1986
    PubMed
    Summary

    Naloxone hydrochloride, used for opioid overdose, requires repeated dosing due to its short half-life. A continuous infusion of two-thirds of the hourly bolus dose can maintain effective plasma levels, preventing recurrent respiratory depression.

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    Area of Science:

    • Pharmacology
    • Toxicology
    • Emergency Medicine

    Background:

    • Naloxone hydrochloride is critical for managing opioid overdose.
    • Repeated naloxone dosing is often necessary due to its short half-life and the prolonged action of opioids, which can lead to recurrent respiratory depression.

    Purpose of the Study:

    • To determine the pharmacokinetics of naloxone.
    • To develop a continuous dosing nomogram for naloxone administration.

    Main Methods:

    • A two-phase study involving patients and volunteers.
    • Phase 1: IV bolus naloxone administration with serial plasma level monitoring.
    • Phase 2: Bolus dose followed by continuous IV infusion with pharmacokinetic parameter determination.

    Main Results:

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    • Naloxone elimination followed a biexponential pattern.
    • Key pharmacokinetic parameters determined, including volume of distribution and elimination rate constants.
    • Computer simulations indicated a continuous infusion regimen (two-thirds of hourly bolus dose) can maintain therapeutic plasma levels.

    Conclusions:

    • Continuous naloxone infusion is a viable alternative to repeated bolus dosing.
    • A specific nomogram for continuous infusion can effectively manage opioid overdose and prevent recurrent respiratory depression.
    • This approach optimizes naloxone therapy for opioid overdose management.