Risperidone in the treatment of disruptive behavioral symptoms in children with autistic and other pervasive developmental disorders.

Objective: To investigate the efficacy and safety of risperidone for the treatment of disruptive behavioral symptoms in children with autism and other pervasive developmental disorders (PDD).

Methods: In this 8-week, randomized, double-blind, placebo-controlled trial, risperidone/placebo solution (0.01-0.