Lurasidone HCL - A 6-week Phase 3 Study of Patients With Acute Schizophrenia.

Inclusion Criteria:

- Provide written informed consent and aged between 18 and 75 years of age.

- Meets DSM-IV™ criteria for a primary diagnosis of schizophrenia.

- Not pregnant, if of reproductive potential agrees to remain abstinent or use adequate
and reliable contraception for duration of study.

- Able and agrees to remain off prior antipsychotic medication for the duration of
study.

- Good physical health on the basis of medical history, physical examination, and
laboratory screening.

- Willing and able to comply with the protocol, including the inpatient requirements
and outpatient visits.

Exclusion Criteria:

- Considered by the investigator to be at imminent risk of suicide or injury to self,
others, or property.

- Any chronic organic disease of the CNS (other than schizophrenia).

- Used investigational compound within 30 days.

- Clinically significant or history of alcohol abuse/alcoholism or drug
abuse/dependence within the last 6 months.