[Tricyclic antidepressant plasma levels in depression: a practical guide]

Area of Science:

• Pharmacology
• Clinical Chemistry

Context:

• Plasma levels are crucial for monitoring tricyclic antidepressant (TCA) efficacy.
• Interpreting TCA plasma levels presents challenges due to variable factors.

Purpose:

• To provide practical recommendations for interpreting TCA plasma levels in clinical settings.
• To address the complexities in monitoring TCA therapeutic drug levels.

Summary:

• Literature review on factors affecting TCA plasma level interpretation.
• Identifies challenges including variable sampling times, dosing frequency, active metabolites, and slow-release formulations.
• Offers evidence-based recommendations for improved clinical practice.

Impact:

• Aims to enhance the clinical utility of TCA therapeutic drug monitoring.
• Facilitates more accurate patient management and treatment optimization.
• Contributes to safer and more effective antidepressant therapy.