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[Expanding therapeutic reference ranges using dose-related reference ranges].
1Klinische Pharmakologie, Klinik und Poliklinik für Psychiatrie, Psychosomatik und Psychotherapie, Universität Regensburg, Universitätsstrasse 84, Regensburg, Germany. ekkehard.haen@klinik.uni-regensburg.de
Therapeutic drug monitoring (TDM) uses blood drug concentrations to guide therapy. It identifies patient-specific issues like drug interactions and genetic variations for optimized treatment.
Area of Science:
- Clinical Pharmacology
- Laboratory Medicine
Context:
- Therapeutic drug monitoring (TDM) is crucial for optimizing drug efficacy and safety in clinical practice.
- Accurate interpretation of drug concentrations requires established therapeutic and dose-related reference ranges.
Purpose:
- To outline the principles and applications of evidence-based therapeutic drug monitoring (TDM).
- To highlight how TDM identifies individual patient abnormalities affecting drug response.
Summary:
- TDM involves measuring drug concentrations in patient blood and interpreting them against established reference ranges.
- This process detects abnormalities including drug-drug interactions, genetic polymorphisms (metabolizer status), organ dysfunction (liver/kidney), compliance issues, and analytical interferences.
- Laboratory results are returned to physicians with clinical pharmacological comments to aid treatment decisions.
Impact:
- Enhances patient safety by enabling early detection of adverse drug events.
- Improves therapeutic outcomes through personalized drug dosage adjustments.
- Supports clinical decision-making by providing actionable pharmacological insights.
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