Study will evaluate long-term safety and tolerability of a new compound in the treatment of patients with schizophrenia as assessed by adverse events (AEs), measures of extra pyramidal symptoms (EPS; Abnormal Involuntary Movement Scale \[AIMS\], Barnes Akathisia Scale \[BAS\], and Simpson-Angus Rating Scale \[SAS\]), vital sign measurements, electrocardiograms (ECGs), clinical laboratory evaluations.