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Rev Bras Reumatol Engl Ed. 2017 Sep - Oct;57(5):466-471. doi: 10.1016/j.rbre.2017.08.001.

Effect of vitamin D supplementation on patients with systemic lupus erythematosus: a systematic review.

[Article in English, Portuguese]

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Faculdade Santo Agostinho (FSA), Teresina, PI, Brazil.
Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil. Electronic address:
Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil.


The objective of this systematic review was to analyze clinical trials carried out for the investigation of the effect of vitamin D supplementation on systemic lupus erythematosus. The research was performed from August to September 2016, without limits regarding year of publication, restriction of gender, age, and ethnicity. For the guiding question, the PICO strategy was employed. To evaluate the quality of the publications the PRISMA protocol and Jadad scale were used. The risk of bias analysis of the clinical trials was performed using the Cochrane collaboration tool. After the process of article selection and removal of duplicates, four articles were identified as eligible. The results of three studies showed a positive effect of supplementation on disease activity reduction and significant improvement in levels of inflammatory markers, fatigue, and endothelial function. Only one study showed no improvement in disease activity after supplementation. Moreover, all studies showed an increase in serum vitamin D levels. The data from this review provide evidence on the benefits of vitamin D supplementation in patients with lupus and vitamin D insufficiency/deficiency. However, it is still necessary to elucidate whether vitamin D acts in the protection against this metabolic disorder, as well as the standardization of the type, dose and time of vitamin D supplementation.


Lúpus eritematoso sistêmico; Revisão sistemática; Suplementação; Supplementation; Systematic review; Systemic lupus erythematosus; Vitamin D; Vitamina D

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