Efficacy Study of Switching Stabilized Schizophrenic Patients From Conventional to Atypical Antipsychotic Treatment

Exclusion Criteria

• •Patient presenting a schizophreniform or a schizo-affective disorder according to the DSM-IV diagnostic criteria, or any other disorder from Axis I of the DSM-IV, or a disorder from Axis II (limit personality), substance dependence or substance abuse.
• •Administration of an atypical antipsychotic drug during the 8 weeks preceding V1.
• •History of resistance to antipsychotic drugs
• •Hospitalization in a psychiatric unit or in a psychiatric emergency department within the 8 weeks preceding the beginning of the study.
• •Presence of serious unstable disease, such as a fatal outcome or hospitalization in an intensive care unit, is foreseeable within a period of 6 months.