Pharmacokinetics, Safety, Tolerability and Efficacy of a Subcutaneous Long-Acting Injection of Cariprazine (Cariprazine Depot) in Subjects Eligible for Treatment With Oral Cariprazine

This study is testing a new long-acting injectable form of cariprazine (a medication used for schizophrenia and mood disorders). Rather than taking a daily pill, participants would receive a subcutaneous injection every few weeks. The goal is to compare how the body processes the injectable versus the oral form. **You may be eligible if...** - You are aged 18–64 with a diagnosis of schizophrenia, bipolar I disorder, or major depressive disorder - You are currently stable on another antipsychotic or antidepressant medication - Your symptoms are well-controlled (CGI-S score of 0–4) - Your BMI is between 18.5 and 35 **You may NOT be eligible if...** - You have schizoaffective disorder, dementia, or severe personality disorder - You have a history of heart or blood vessel disease - You have a history of seizures - You participated in another clinical trial drug study in the past 3 months Talk to your doctor to see if this trial is right for you.