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Related Experiment Videos

Determining effective methadone doses for individual opioid-dependent patients.

Jodie A Trafton1, Jared Minkel, Keith Humphreys

  • 1Center for Health Care Evaluation, VA Palo Alto Health Care System and Stanford University School of Medicine, Menlo Park, California, United States of America. Jodie.Trafton@va.gov

Plos Medicine
|February 2, 2006
PubMed
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Methadone maintenance dosages vary widely among patients achieving heroin abstinence. Individualized methadone titration is crucial for effective opioid use disorder treatment, rather than relying solely on fixed dosing guidelines.

Area of Science:

  • Addiction Medicine
  • Pharmacology

Background:

  • Clinical trials suggest higher methadone doses (≥60 mg/d) are effective for reducing heroin use.
  • Clinical practice varies, with some patients stably maintained on lower methadone dosages.
  • Individual patient responses to methadone treatment require further study for clinical application.

Purpose of the Study:

  • To investigate the range of methadone dosages associated with heroin abstinence in a real-world clinical setting.
  • To identify factors predicting effective methadone dosages for opioid use disorder treatment.

Main Methods:

  • Prospective observation of 222 opioid-dependent US veterans over one year of methadone treatment.
  • Analysis of methadone dosages in patients achieving at least one month of heroin abstinence.

Related Experiment Videos

  • Regression analysis to identify predictors of methadone dosage for heroin abstinence.

    • Main Results:

    • Methadone dosages for heroin abstinence ranged from 1.5 mg to 191.2 mg (median 69 mg) among 168 patients.
    • Higher dosages were associated with PTSD/depression, more prior detoxifications, lower regional heroin purity, counselor support against dose reduction, and longer treatment duration.
    • Identified factors explained 42% of the variance in methadone dosage for heroin abstinence.

    Conclusions:

    • Effective and ineffective methadone dosages significantly overlap.
    • Dosing guidelines should emphasize individualized dosage determination processes over fixed recommendations.
    • Methadone dosage titration to achieve heroin abstinence is essential for optimizing treatment outcomes.