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Related Experiment Videos

[Clozapine-induced toxic hepatitis].

J T Larsen1, S V Clemensen, N A Klitgaard

  • 1Odense Universitetshospital, afdeling KKA, sektion for klinisk farmakologi og psykiatrisk afdeling P.

Ugeskrift for Laeger
|April 20, 2001
PubMed
Summary

A case study highlights clozapine-induced toxic hepatitis in a schizophrenia patient. Successful treatment involved discontinuing clozapine, followed by reinstitution with therapeutic drug monitoring.

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Area of Science:

  • Pharmacology
  • Hepatology
  • Psychiatry

Background:

  • Clozapine is an effective antipsychotic for treatment-resistant schizophrenia.
  • Hepatotoxicity is a known, albeit rare, adverse effect of clozapine therapy.
  • Close monitoring is essential for patients on clozapine treatment.

Observation:

  • A 49-year-old woman with schizophrenia developed symptoms including lethargy, anorexia, fever, eosinophilia, leucocytosis, and abnormal liver parameters.
  • The patient was receiving a daily clozapine dose of 300 mg.
  • Elevated serum clozapine concentration was measured at 8595 nmol/l.

Findings:

  • The observed symptoms and laboratory findings were consistent with clozapine-induced toxic hepatitis.
  • Discontinuation of clozapine led to clinical stabilization within eight days.

Related Experiment Videos

  • Low-dose clozapine reinstitution with therapeutic drug monitoring (TDM) was successful.

    • Implications:

    • This case underscores the importance of recognizing and managing clozapine-induced liver injury.
    • Therapeutic drug monitoring (TDM) is crucial for optimizing clozapine dosage and minimizing toxicity.
    • Careful patient selection and vigilant monitoring can facilitate the continued use of clozapine in complex psychiatric cases.