Analytical accuracy and clinical interpretation require separate evidence.
What the paper found
The UPLC-MS/MS method quantified diazepam, nordazepam and oxazepam in human serum. Validation examined extraction recovery, calibration, accuracy and precision, and the assay was applied to twenty-six therapeutic-monitoring specimens from patients with alcohol dependence.
Limits of the evidence
Performance in the tested serum conditions does not automatically validate whole blood, urine or postmortem specimens. A small clinical application cannot define a universal therapeutic or toxic interval. Active metabolites also complicate interpreting one concentration in isolation.
Implications for case review
Request the matrix, analytes and validation range before using a numerical result. A reliable measurement can still be insufficient to determine dose, timing or impairment. Clinical interpretation needs the individual medication course, tolerance, co-exposures and symptoms; the method’s precision does not supply those missing facts.
Source and related reading
Source: PMC12957979, supplied full-text paper. Findings are paraphrased; forensic implications are an interpretation.
Related: Clobazam Interaction Review Shows Why Measuring the Active Metabolite Matters.
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