Abstract
Objectives: To evaluate the impact of cholecalciferol (D3) supplementation using clinical and paraclinical variables in patients with RA and vitamin D insufficiency and deficiency. Methods: A randomized, double-blind, placebo-controlled study included patients from 5 to 40 years with a diagnosis of RA and vitamin D insufficiency and deficiency. They were supplemented for 8 weeks with 4000 or 5000 IU, depending on age. Total nasal symptoms score (TNSS) was measured monthly and 25(OH)D3 levels at baseline and at the end of the study. Results: A total of 31 patients were included, with a mean age of 18.19 years. In the active group, there was a significant improvement in symptomatology with respect to the TNSS score and an increase in serum vitamin D levels (p < 0.01). There were no adverse reactions with cholecalciferol or placebo. Conclusions: Supplementing patients with vitamin D3, at the evaluated dose, together with conventional treatment for allergic rhinitis results in symptoms and quality of life improvement in patients with this disease. Keywords: Allergic rhinitis, Vitamin D, Placebo, Cholecalciferol, Supplementation.
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