Oxcarbazepine Versus Placebo in Childhood Autism

Inclusion Criteria: * Subject has autism. * Subject is between five and seventeen years of age * Subject is not hospitalized. Exclusion Criteria: * Subject has been diagnosed with a psychopathic disorder or a mood disorder, including depression or bipolar disorder. * Subject has displayed self-injurious behavior. * Subject has an active seizure disorder or epilepsy. * Subject has an unstable medical illness. * Subject has undergone brain injury. * Subject has a history of diabetes. * Subject has a history of prior treatment with oxcarbazepine of 600 mg/day for 6 weeks. * Subject has used other study drugs within the previous 30 days. * Subject is a pregnant female or unwilling to use acceptable contraception if sexually active.