- Male or female, 18 to 50 years old, antipsychotic-naive, non-agitated patients
diagnosed with first-episode schizophrenia or schizophreniform disorder.
- Evidence or history of clinically significant medical or non-medical impairment that,
in the opinion of the investigator, would affect the safety of the patient or
interfere with the evaluation of the trial results;
- Patients who have a history of substance (which included alcohol) dependence within 12
months or abuse within 3 months of enrollment, or tested positive for an illicit drug
on the Screening urine toxicology test
- Pregnant or nursing females; females of childbearing potential who are unwilling or
unable to use an acceptable method of contraception