Biomarkers of opiate use
M Stefanidou1, S Athanaselis, C Spiliopoulou
1Department of Forensic Medicine and Toxicology, Medical School, University of Athens, Athens, Greece. mstefan@med.uoa.gr
International Journal of Clinical Practice
|October 16, 2010
Summary
Interpreting toxicological findings is crucial for investigating psychoactive substance abuse. A morphine/codeine ratio in blood over one strongly indicates heroin use, distinguishing it from prescription codeine analgesics.
Area of Science:
- Forensic Toxicology
- Clinical Chemistry
- Pharmacology
Background:
- Accurate interpretation of toxicological findings is vital for investigating psychoactive substance abuse.
- Detecting illicit opiate misuse is important for both substance misuse management and postmortem identification.
- Opiate biomarkers play a key role in laboratory and clinical settings.
Purpose of the Study:
- To highlight the significance of available opiate biomarkers in laboratory and clinical settings.
- To differentiate heroin use from prescription codeine analgesic use through biomarker analysis.
- To emphasize the importance of accurate interpretation of toxicological tests.
Main Methods:
- Analysis of urine for qualitative detection of illicit drug use.
- Analysis of blood for quantitative accuracy.
- Calculation of the morphine/codeine concentration ratio in blood.
Main Results:
- Urine is the preferred biological sample for qualitative detection of illicit drug use in clinical settings.
- Blood analysis provides quantitative accuracy for toxicological findings.
- A morphine/codeine ratio exceeding one in blood is a strong indicator of heroin use.
Conclusions:
- Accurate interpretation of toxicological screening tests, alongside other clinical information, is essential for reliable results.
- The morphine/codeine ratio in blood is a valuable biomarker for distinguishing heroin use from prescription codeine intake.
- Toxicological analysis aids in criminal proceedings and clinical management of substance misuse.
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