Overview A Study Evaluating the Effect of Vitamin D on Clinical Outcome in Autistic Children Status: Completed Trial end date: 2016-03-01 Target enrollment: Participant gender: Summary The purpose of this study to determine whether high dose vitamin D has positive effect on behavior of autistic children. Phase: Phase 2 Details Lead Sponsor: Ain Shams UniversityTreatments: CholecalciferolErgocalciferolsVitamin DVitamins