I tre kortere varende (4- 6 uger), placebokontrollerede undersøgelser med 1228 skizofrene patienter med positive eller negative symptomer var aripiprazol forbundet med statistisk signifikant, større forbedring i psykotiske symptomer sammenlignet med placebo.
In three short-term (4 to 6 weeks) placebo-controlled trials involving 1,228 schizophrenic patients, presenting with positive or negative symptoms, aripiprazole was associated with statistically significantly greater improvements in psychotic symptoms compared to placebo.