neurotransmission. Here, we aimed to evaluate the effectiveness and safety of
pregnenolone add-on to risperidone in adolescents with autism spectrum disorders (ASD).
Methods Sixty-four ASD patients were randomly allocated to receive either pregnenolone
(n= 32) or matching placebo (n= 32) in addition to risperidone. The Aberrant Behavior
Checklist-Community Edition scale was used to evaluate the behavioral status of patients at …