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AB0245 RHEUMATOID ARTHRITIS DISEASE ACTIVITY AND VITAMIN D LEVELS IN A COLOMBIAN COHORT
  1. S. Herrera1,
  2. J. C. Diaz-Coronado1,2,
  3. D. Hernandez-Parra1,
  4. C. Perez-Rios1,
  5. Y. Durango-Durango1,
  6. R. Pineda.Tamayo1
  1. 1Artmedica IPS, Grupo de Información Clínica, Medellín, Colombia
  2. 2CES University, Departamento Medicina Interna, Medellín, Colombia

Abstract

Background: There seems to be a relationship between 25-hydroxyvitamin D [25(OH)D] level and rheumatoid arthritis (RA)(1). It has been proposed that susceptibility for RA exists in selected patients with low 25(OH) with conflicting results (2,3) Regarding disease activity, most of the evidence suggests an inverse relationship of disease activity with 25(OH)D levels(4). To our knowledge, there is only a small study that suggests low 25(oh) D levels as a predictor of disease activity (5) in our region

Objectives: We aimed to evaluate the possible association of low 25(OH) D levels and disease activity in a large cohort of patients with Rheumatoid Arthritis in Colombia

Methods: We evaluated the clinical records of 3576 patients with RA that fulfilled the 2010 EULAR Classification Criteria for Rheumatoid Arthritis and that were managed in our autoimmunity center between 2014 and 2017. Registries that contained both the measurement of 25(OH)D levels and DAS28 VSG with no more than 6 months apart and that also had at least a mean 12-month follow-up were included. We classified 25(OH) D insufficiency as levels ≤ 20ng/ml. We evaluated differences in achieving disease control depending on the 25(OH) D levels with McNemar’s test. Disease control was defined as DAS28VSG≤3.2

Results: A total of 880 patients were included, 90% were female and their mean age was 63 years and 24.3% had 25(OH) D insufficiency. The vast majority were seropositive and only 13% were on biologics (Table 1). A 25% of patients who 25(OH)D insufficiency had DAS28 3.2 and a year of follow-up decreased to 24% with medical intervention (p=0,1), while patients without 25(OH)D insufficiency at the beginning of follow-up, 27% had DAS28 3.2 and after one year follow-up decreased to 17% (p=0.001)

Table 1

Conclusion: In Colombian patients with rheumatoid arthritis low 25(OH) D status has an inverse correlation with disease control. Even in an equatorial country, up to 24% of RA patients had low vitamin levels. A strategy of active detection of 25(OH) D insufficiency could have an impact on disease activity and health status

References: [1]Ishikawa LLW, Colavite PM, Fraga-Silva TF de C, Mimura LAN, França TGD, Zorzella-Pezavento SFG, et al. Vitamin D Deficiency and Rheumatoid Arthritis. Vol. 52, Clinical Reviews in Allergy and Immunology. Humana Press Inc.; 2017. p. 373–88.

[2]Bragazzi NL, Watad A, Neumann SG, Simon M, Brown SB, Abu Much A, et al. Vitamin D and rheumatoid arthritis: An ongoing mystery. Vol. 29, Current Opinion in Rheumatology. Lippincott Williams and Wilkins; 2017. p. 378–88.

[3]Bae SC, Lee YH. Vitamin D level and risk of systemic lupus erythematosus and rheumatoid arthritis: a Mendelian randomization. Clin Rheumatol. 2018 Sep 1;37(9):2415–21.

[4]Lee YH, Bae SC. Vitamin D level in rheumatoid arthritis and its correlation with the disease activity: A meta-analysis. Clin Exp Rheumatol. 2016;34(5):827–33.

[5]Quintana-Duque MA, Caminos JE, Varela-Nariño A, Calvo-Paramo E, Yunis JJ, Iglesias-Gamarra A. The role of 25-hydroxyvitamin D as a predictor of clinical and radiological outcomes in early onset rheumatoid arthritis. J Clin Rheumatol. 2017;23(1):33–9.

Disclosure of Interests: Sebastian Herrera Speakers bureau: academic conference, Juan camilo Diaz-Coronado: None declared, Deicy Hernandez-Parra: None declared, Carolina Perez-Rios: None declared, Yecenia Durango-Durango: None declared, Ricardo Pineda.Tamayo: None declared

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