Adverstisement
Place your advertisement here
Antipsychotic drugs and their metabolizing enzymes
 
Author: BS Koppel

Support information on page: Drugs & Their Contribution to Seizures > Antipsychotic

Generic name Brand name Metabolism
haloperidol Haldol CYP2D6/3A4
perphenazine Trilafon CYP2D6
chlorpromazine Thorazine CYP2D6, GT1A4
thioridazine Mellaril CYP2D6
thiothixene Navane CYP2D6
trifluoperazine Stelazine 
Atypical antipsychotics
clozapine Clozaril CYP1A2/3A4, GT1A3/4
risperidone Risperdal CYP2D6
olanzapine Zyprexa CYP1A2
quetiapine Seroquel CYP3A

CYP = cytochrome P-450; GT = glucuronosyltransferase.

Adapted from: Koppel BS. Contribution of drugs and drug interactions (prescribed, over the counter, and illicit) to seizures and epilepsy. In: Ettinger AB and Devinsky O, eds. Managing epilepsy and co-existing disorders. Boston: Butterworth-Heinemann; 2002;163.
With permission from Elsevier (www.elsevier.com).
Reviewed March 2004 by Steven C. Schachter, MD, epilepsy.com Editorial Board.