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Abstract Title:

Vitamin D Supplementation is Beneficial for Children with Autism Spectrum Disorder: A Meta-analysis.

Abstract Source:

Clin Psychopharmacol Neurosci. 2020 May 31 ;18(2):203-213. PMID: 32329301

Abstract Author(s):

Liyao Song, Xiaomei Luo, Qing Jiang, Zhi Chen, Lifang Zhou, Dan Wang, Ai Chen

Article Affiliation:

Liyao Song


Objective: We conducted a meta-analysis of randomized controlled trials to explore whether vitamin D supplementation is beneficial for symptom improvement in children with autism spectrum disorder.

Methods: We systematically searched the PubMed database, EMBASE, Cochrane Library, Web of Science, Sino-Med, Wanfang Data, and China National Knowledge Infrastructure mainly up to September 2019. Using a fixed effects model, we calculated the standard mean difference with 95% confidence interval. Furthermore, we analyzed baseline serum 25-hydroxyvitamin D levels and outcome scores including the Social Responsiveness Scale and Child Autism Rating Scale scores after vitamin D supplementation.

Results: There was no significant difference in baseline serum 25-hydroxyvitamin D levels among 203 children included from three studies in the meta-analysis. After vitamin D supplementation, the outcome scores in the experimental group were dramatically elevated compared with those in the control group (= 0.03).

Conclusion: Vitamin D supplementation improves the typical symptoms of autism spectrum disorder, as indicated by reduced Social Responsiveness Scale and Child Autism Rating Scale scores; thus, it is beneficial for children with autism spectrum disorder.

Study Type : Meta Analysis

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Sayer Ji
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