Lumateperone tosylate is primarily used in the treatment of psychiatric disorders, particularly schizophrenia. It functions as an antipsychotic agent by modulating serotonin, dopamine, and glutamate receptors in the brain, helping to alleviate symptoms such as hallucinations, delusions, and disorganized thinking. Additionally, it has shown efficacy in managing depressive episodes associated with bipolar disorder, offering a therapeutic option for mood stabilization. Its unique receptor profile contributes to a favorable side effect profile compared to traditional antipsychotics, making it a valuable option for patients who may not tolerate other treatments well.