Clinical and Demographic Predictors of Early Clozapine Discontinuation Across Mood and Psychotic Disorders
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View abstract on PubMed
Summary
This summary is machine-generated.Nearly half of patients on clozapine (a medication for schizophrenia and bipolar disorder) discontinue early, especially those with mood disorders. Smoking status significantly impacts early clozapine discontinuation rates.
Area Of Science
- Psychiatry
- Pharmacology
- Clinical Medicine
Background
- Clozapine is a vital treatment for refractory schizophrenia and bipolar disorder.
- Adverse effects frequently lead to clozapine discontinuation.
- Early discontinuation rates and reasons in mood vs. psychotic disorders require investigation.
Purpose Of The Study
- To compare early clozapine discontinuation rates between patients with mood and psychotic disorders.
- To identify factors associated with early clozapine discontinuation.
Main Methods
- Retrospective analysis of first-time clozapine initiators with mood or psychotic disorders at Mayo Clinic (2014-2022).
- Primary outcome: clozapine discontinuation within 90 days of initiation.
- Cox proportional hazards regression used to determine associated factors.
Main Results
- Overall 90-day discontinuation rate was 45.7%.
- Mood disorder patients had significantly higher early discontinuation rates (HR=2.41, P=0.008).
- Nonsmokers were more likely to discontinue early; smoking status was inversely associated with discontinuation (HR=0.47, P=0.048).
Conclusions
- Early clozapine discontinuation is common, particularly in mood disorder patients.
- Smoking status is a key factor influencing early discontinuation.
- Personalized management and monitoring are essential for optimizing clozapine therapy.
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