Pediatric Switch Study for Children and Adolescent Patients With Epilepsy

Inclusion Criteria: * Male or female patient with a clinical diagnosis of epilepsy considered stable by the investigator. * Must be in good physical health, on the same dose of all medications, including Depakote and other AEDs, for 2 week period prior to randomization. * Minimum body weight of 37 lbs. Exclusion Criteria: * Six-month history of drug or alcohol abuse. * Status epilepticus within 6 months prior to screening. * Abnormal platelet or ALT/AST levels.