Pharmacokinetic Study of VHX-896 and Iloperidone Tablets Under Steady-State Conditions

Inclusion Criteria: * Male or female patients 18 to 65 years of age (inclusive) * Diagnosed with either schizophrenia or bipolar I disorder, manic or mixed type, according to the Diagnostic and Statistical Manual of Mental Disorder, Fifth Edition, Text Revision (DSM-5-TR) * Patients must be symptomatically stable and on a stable treatment with an oral atypical antipsychotic at an adequate dose (3 months prior to enrollment) and not suffer from acute increase of their psychosis or be hospitalized within the past 2 months Exclusion Criteria: * History of hypersensitivity to any of the study drugs or to drugs of similar chemical classes * Cytochrome P450 2D6 (CYP2D6) poor metabolizers and use of prescription medication or OTC medication that strongly inhibits CYP2D6 or CYP3A4 or induces CYP3A4 within 5 half-lives of baseline