Novel Candidate Genes for Treatment Response to Antipsychotics in Schizophrenia

Inclusion Criteria

• •Patients followed up for 3 years in the First Episode Psychosis Clinical Program (PAFIP).
• •15-60 years.
• •Living in the catchment area.
• •Experiencing their first episode of psychosis.
• •No prior treatment with antipsychotic medication or, if previously treated, a total life time of adequate antipsychotic treatment of less than 6 weeks.
• •Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria for brief psychotic disorder, schizophreniform disorder, schizophrenia, or schizoaffective disorder.