27 пациентите, чувствителни към други антипсихотични средства и рисперидон, като тази находка е сравнима с тази при клозапин- чувствителните пациенти
In two of two placebo and two of three comparator controlled trials with over 2,900 schizophrenic patients presenting with both positive and negative symptoms, olanzapine was associated with statistically significantly greater improvements in negative as well as positive symptoms.