A Study to Evaluate the Efficacy and Safety of Adjunctive KarXT for the Treatment of Mania, With or Without Mixed Features, in Participants With Bipolar-I Disorder Taking Lithium, Valproate, or Lamotrigine
Trial Parameters
Brief Summary
The purpose of this study is to evaluate the efficacy and safety of adjunctive KarXT for the treatment of mania in participants with Bipolar-I Disorder.
Eligibility Criteria
Inclusion Criteria: * Individuals have a primary diagnosis of Bipolar-I disorder established by a comprehensive psychiatric evaluation based on the DSM-5-TR criteria and confirmed by the Mini International Neuropsychiatric Interview (MINI) version 7.0.2 Standard. * Individual is experiencing an acute exacerbation or relapse of manic episode, with or without mixed features (≤ 3 weeks). * The individual requires hospitalization for the acute exacerbation or relapse of mania. * Body mass index ≥ 18 and ≤ 40 kg/m2 * Currently experiencing an acute episode of mania or mania with mixed features with a therapeutic dose of lithium, valproate, or lamotrigine. The dose of the mood stabilizer must have remained stable for at least two weeks prior to screening. Additionally, participants on valproate must have been receiving treatment with valproate for a minimum of seven months. * YMRS Total Score of ≥ 18 at Screening and at Baseline, and \< 20% reduction in YMRS from screening to baseline. * Cli