A Study of TAK-861 in Participants With Narcolepsy Type 2

Exclusion criteria

• ✕. Any current unstable psychiatric disorder.
• ✕. Current or history of manic or hypomanic episode, schizophrenia or any other psychotic disorder, including schizoaffective disorder, major depression with psychotic features, bipolar depression with psychotic features, obsessive compulsive disorder, mental retardation, organic mental disorders, or mental disorders due to a general medical condition as defined in the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5).
• ✕. Current diagnosis or history of substance use disorder as defined in the DSM-5. Note: If the history of substance use disorder is more than 12 months before baseline, the participant may be allowed to enroll in the study after consultation with the sponsor or designee. (Participant must also have negative urine drug screen at the screening and Day -2 visit.)
• ✕. Current active major depressive episode (MDE) or who have had an active MDE in the past 6 months.