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Measuring heroin use in methadone maintenance programmes.

K Howard1, J Bell, M J Christie

  • 1Drug and Alcohol Unit, Prince of Wales Hospital, Randwick, Australia.

Drug and Alcohol Review
|January 1, 1995
PubMed
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This study found that while self-reported drug use correlates with urine tests in methadone patients, it often underestimates actual use. Urine testing is most effective, but combining it with self-reports offers comprehensive drug use data.

Area of Science:

  • Addiction Medicine
  • Clinical Research
  • Pharmacology

Background:

  • Methadone maintenance treatment is a key intervention for opioid use disorder.
  • Accurate assessment of drug use is crucial for treatment efficacy and evaluation.
  • Self-report and biological measures are commonly used to monitor patient drug use.

Purpose of the Study:

  • To compare the accuracy of self-reported drug use with urine test results.
  • To evaluate the validity of self-reported drug use in patients undergoing methadone maintenance treatment.
  • To determine the most effective method for measuring drug use in this population.

Main Methods:

  • 129 patients in methadone maintenance treatment were interviewed regarding drug use.
  • Interviews assessed daily drug use over the past 7 days and monthly drug use.

Related Experiment Videos

  • Urine tests were conducted and compared with self-reported data.
  • A subset of 87 patients completed a follow-up interview 4-5 months later.

    • Main Results:

    • Most patients reported continued, infrequent heroin use.
    • Substantial positive correlations were found between urine test results and self-reported drug use.
    • Self-reported drug use tended to underestimate actual drug use among patients.
    • Urine testing emerged as the most informative single measure of drug use.

    Conclusions:

    • Urine testing is a valid and highly useful tool for evaluating drug use in methadone maintenance treatment.
    • Combining self-report measures with urine testing provides a more complete picture of drug use patterns.
    • Accurate monitoring of drug use is essential for effective treatment evaluation and patient management.