The authors provide an overview of the Clinical Antipsychotic Trials of Intervention Effectiveness (CATIE) sponsored by the National Institute of Mental Health. CATIE was designed to compare a proxy first-generation antipsychotic, perphenazine, to several newer drugs. In phase 1 of the trial, consenting patients were randomly assigned to receive olanzapine, perphenazine, quetiapine, risperidone, or ziprasidone for up to 18 months on a double-blind basis. Patients with tardive
Compared with abstinence, substance use and substance use disorder, unless they involved cocaine use, were generally associated with higher or equivalent overall psychosocial functioning. Patterns of substance use were similar to those in the community, suggesting that treatment of substance use disorders in schizophrenia should focus on reconnecting substance users to nonusing peer groups.
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