This is a clinical research study for an investigational drug called RAP-219 in participants with bipolar I disorder. This study is being conducted to determine if RAP-219 is safe and effective in participants experiencing mania associated with bipolar I disorder.
Meets the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) diagnosis of bipolar I disorder, with or without psychotic symptoms, as confirmed by the Structured Clinical Interview for DSM-5, Clinical Trials Version (SCID-5-CT). Episode may contain mixed features, as confirmed by Montgomery-Åsberg Depression Rating Scale (MADRS).
Had at least one prior documented manic episode (with or without psychotic symptoms) that required treatment, within 5 years prior to Visit 1
History of any of the following diagnoses: a. schizophrenia; schizoaffective disorder; major depressive disorder; moderate or severe substance or alcohol use disorder; as assessed by the SCID-5-CT b. delirium, dementia, amnestic, or other cognitive disorders; borderline, paranoid, histrionic, schizotypal, schizoid, or antisocial personality disorders; by medical history and/or Investigator opinion Note: Any other current diagnoses must be discussed with the Medical Monitor.
Rapid cycler, defined as experiencing ≥4 distinct mood episodes (ie, manic or depressive) each meeting full DSM-5 criteria in the previous 12 months, and each separated by ≥2 months of full or partial remission, or a switch to an episode of the opposite polarity, as assessed by the SCID-5-CT
Parallel
RAP-219
DrugRAP-219 tablets administered orally, once daily for 21 days
Placebo
Other interventionMatching placebo tablets administered orally, once daily for 21 days
Young Mania Rating Scale (YMRS)
The YMRS is a clinician administered scale that consists of 11 items used to assess the severity of manic symptoms (total scores range from 0 to 60). The higher the YMRS score, the more severe the subject's symptoms of mania.
Clinical Global Impression-Bipolar Version (CGI-BP) Severity of Illness Mania score
The CGI-BP Severity of Illness Mania score is a clinician-rated scale used to assess the severity of manic symptoms, depression and overall illness severity in individuals with bipolar disorder. The mania score ranges from 1 (not ill) to 7 (very severely ill), with higher scores indicating greater severity of manic symptoms.
Treatment Emergent Adverse Events (TEAEs)
Incidence and severity of treatment-emergent adverse events (TEAEs).
Heart Rate
Change in Heart Rate (BPM)
Respiratory Rate
Change in Respiratory Rate (breaths per minute)
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