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Effect of vitamin D3 supplementation on HIV-infected adults: a systematic reviewVitamin Dӡ Supplementation on HIV-Infected Adults: A Systematic Review

Nayra do Socorro Caldas Carvalho de Almeida Teixeira, Beatriz de Mello Pereira, Iara Katrynne Fonsêca Oliveira, Carlos Henrique Ribeiro Lima, Cecília Maria Resende Gonçalves de Carvalho, Ivone Freires de Oliveira Costa Nunes, Dorcas Lamounier Costa, Adriana de Azevedo Paiva

Introduction: much evidence confirms that vitamin D may be associated with an improvement in CD4 cell counts in HIV-infected individuals, where antiretroviral therapy (ART) is used and associated with decreased 25(OH)D levels. Objective: to carry out a systematic review on the effect of vitamin D supplementation on HIV-infected adult patients. Methods: the research was conducted in the databases Science Direct, PubMed, BVS, Scielo Cochrane and Periods, from February to April 2018, with publication limit from 2000 to 2018, without restriction of gender, ethnicity and involving individuals with age older than 18 years. To evaluate the quality of the studies, we used the protocol Preferred Reporting Items for Systematic Reviews and Meta-Analyzes (PRISMA) and the Jadad scale. Results: the search initially resulted in 198 articles. After the selection process 5 articles were identified as eligible, where they highlight that vitamin D supplementation may be an associated and effective intervention to reduce hypovitaminosis. ART reduces vitamin D3 levels and changes its metabolism, being associated with the risk of mortality. However, adequate levels of 25(OH)D are positively associated with the number of CD4 + cells and the reduction of infection levels. Conclusion: vitamin D supplementation promotes immune recovery. However, the cases analysed were few, insufficient to fully confirm the benefits and recommend supplementation. Therefore, intervention studies are needed to elucidate the role of vitamin D in human protection against HIV infections.

Palabras Clave: Vitamin D. Supplementation.HIV.

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