52-week Open Label Safety-Tolerability Study

Inclusion Criteria: * Provide ICF * Patients clinically stable PANSS \</= 70 at screening * CGI-S \</+ 3 at screening * Medically stable * BMI 18 -40 * Taking oral antipsychotic treatment for at least 30 days * Have stable living environment Exclusion Criteria: * Sexually active M/F patients not willing to use highly effective contraception * Breast feeding * History of treatment resistance to schizophrenia medications * DSM-5 current diagnosis other than schizophrenia * Risk of suicidal behavior * History or presence of clinically significant cardiovascular, pulmonary, hepatic, renal, hematologic, gastrointestinal, endocrine, immunologic, dermatologic, neurologic, or oncologic disease or any other