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    Clozapine (CZP) is an antipsychotic used in resistant psychosis, but has adverse metabolic effects and is associated with new onset or worsening of epileptic seizures (ES). There is not enough information available regarding its effect on metabolic variables and on ES in patients with epilepsy. To describe the effect of CZP on the metabolic and hematologic profiles, and on ES in patients with epilepsy and with psychosis and/or aggressive behavior. A case series of patients with epilepsy and psychosis and/or aggressive behavior that received CZP with an 18-week follow-up. Clinical records were assessed from 2008-2018. 30 patients with epilepsy that received CZP were included. A paired analysis (Student’s t-test or Wilcoxon signed rank test) was performed with metabolic variables (glucose, cholesterol, and triglycerides), hematologic variables, weight, body mass index (BMI), and monthly ES before and after CZP administration. The median age to CZP initiation was 31.9 ± 16.07 years. Median CZP dosage was 193 mg/day. There were changes on BMI (p = 0.001; 3.2 kg/m2 increase, median = 3.08), triglycerides (p = 0.002) and glucose (p = 0.030). Weight increase was 7 kg (p = 0.292; median = 4 kg). Monthly ES mean was decreased from 4.9 (median = 2) to 2.04 (median = 1; p = 0.001). This study provide information regarding the security profile of CZP in patients with epilepsy with psychosis and/or aggressive behavior. A decrease on monthly ES was observed, as well as moderate increases in triglycerides, glucose and BMI, which coincide with that described by other authors.


    Edgar Daniel Crail-Meléndez, María Isabel Frausto-Luján, Carlos Aviña-Cervantes, Iris Enriqueta Martínez-Juárez, Daniela Cruz-Peralta. Clozapine in epilepsy and psychosis: effects on seizures and metabolic profile]. Revista medica del Instituto Mexicano del Seguro Social. 2021 Feb 02;59(1):17-26

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    PMID: 33667040

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