A 12-Week, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Monotherapy Study to Evaluate Efficacy of Roluperidone on Negative Symptoms in Adult Subjects With Schizophrenia, Followed by a 40-Week, Randomized, Double-Dummy Phase to Evaluate the Relapse Rate of Roluperidone and Antipsychotic Medications

Inclusion Criteria: * Subject and subject's legal representative, if applicable, provided informed consent prior to the initiation of any study related procedures, and the subject is judged by the investigator as being capable of understanding the study requirements. * Male or female, 18 to 55 years of age, inclusive, and body mass index (BMI) \</= 35.0 kg/m2 at Screening. * Meets the diagnostic criteria for schizophrenia as defined in the Diagnostic and Statistical Manual of Mental Disorders-Fifth Edition (DSM-5), as established by a full psychiatric interview in conjunction with the Mini In…