Results: All 60 enrolled patients completed the study. After the 8
weeks of treatment, 54/60 patients (90%) had clinically significant improvement
of 20% or more decreased total PANSS score (Positive and Negative subscale).
In 6/60 patients (10%) clinical improvement was also reported with less of
20% decreased total PANSS score. The side effects were registered in 8/60 patients(
13,32%). The mild extrapyramidal symptoms registered in 1/60 (1,66%)
patients, whom dose of risperidone was reduced. Increase of prolactine in 7
/60 (11,66 %), patients, whose dose of risperidone also were reduced. Average
weight gain was 0.84 kg. Conclusion: In this study Risperidone has shown very
good effectiveness and safety. Key words: Risperidone, Schizophrenia.