A Study Evaluating the Effect of Vitamin D on Clinical Outcome in Autistic Children

A Pilot Study Evaluating the Effect of Vitamin D on Clinical Outcome in Autistic Children

The purpose of this study to determine whether high dose vitamin D has positive effect on behavior of autistic children.

Double blinded placebo controlled study to determine effect of two different doses of vitamin D on Behavioral domains in autistic children.

Inclusion Criteria:

• Patients fulfill fourth edition of Diagnostic and statistical manual of mental Disorders (DSM 4th) criteria for autism

Exclusion Criteria:

• Patients who had seizures within the past year or History of kidney or liver disease or Taking the following medications or supplements that may affect vitamin D level (as antiepileptic, corticosteroids or immunosuppressant) were excluded from the study. None of the study participants received vitamin D or calcium therapy in the past 6 months and there were no change in children's treatment regimen (including medications) within 1 month prior to the study.