A Study to Evaluate the Effect of KarXT on Urological Safety

Inclusion Criteria * Male and Female participants (age 18 to 65 years of age, with a primary diagnosis of schizophrenia based on psychiatric evaluation (DSM-5) and confirmed by MINI (v 7.0.2). * Participants must have a PANSS total score ≤ 80 and CGI-S score ≤ 4, at screening and baseline, and a BMI ≥18 and ≤ 40 kg/m2. * Participants must be willing and able to discontinue all antipsychotic medications prior to the baseline visit and be willing and able to comply with protocol requirements. Exclusion Criteria * Participants with newly diagnosed schizophrenia, any other DSM-5 disorder diagnosed within the past 12 months, alcohol or drug use disorder within the past 12 months, history/presence of clinically significant disease or disorder that would jeopardize participant safety or validity of study results. * Participants at risk for suicidal behavior, as well as individuals who are pregnant or breastfeeding, will be excluded from the study. * Other protocol-defined Inclusion/Exclusion criteria apply