What this phase means
Phase 3: this treatment already looked useful in smaller studies. Now it is tested in a large group, often against standard care or a dummy treatment, to see if it should be approved.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
If you join, the listed intervention(s) are Xanomeline/Trospium Chloride, or Placebo. The registry lists allocation as randomized. This study wants to measure the how well it works and safety of added on top of your current treatment KarXT for the treatment of mania in participants with Bipolar-I Disorder.
They plan to enroll about 424 people at 106 sites. Taking part typically means taking a study drug (or dummy pill) plus check-ins.
Official title (unrewritten)
A Phase 3, Randomized, Double-blind, Placebo-controlled, Study to Evaluate the Efficacy and Safety of Adjunctive KarXT for the Treatment of Mania, With or Without Mixed Features, in Individuals With Bipolar-I Disorder Taking Lithium, Valproate, or Lamotrigine
Interventions: Xanomeline/Trospium Chloride, Placebo
Primary outcome (registry wording): Change from baseline in Young Mania Rating Scale (YMRS) at Week 5