21 patients with chronic schizopherenia (male: 15) with ages of 17-58 treated by Risperdal at dose of 3.96 mg/day within 8 weeks has shown that scores of PANSS scale, possitive scale and general scale were statistical significantly reduced (P< 0.001), score of negative scale was statistical significantly reduced (P < 0.001). The drug had a good tolerability (83.9% patients). The side-effects and complications including extrapyramidal syndrome were mild and not frequent. The efficacy was 80.6%.
Risperidone ; Schizophrenia