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Objectives: To assess whether periodontitis severity affects the clinical response to biological disease-modifying antirheumatic drugs (bDMARDs) for 1 year in rheumatoid arthritis (RA) patients.
Methods: Data were collected from 50 RA patients who had received corticosteroids, conventional synthetic DMARDs, or non-steroidal anti-inflammatory drugs before (baseline) and after 1 year of bDMARD therapy in a retrospective study. Rheumatologic conditions were compared between the two periodontitis severity groups according to the periodontal inflamed surface area (PISA) or Centers for Disease Control and Prevention (CDC)/American Academy of Periodontology (AAP) case definitions.
Results: Twenty-eight patients with no or mild periodontitis showed significantly greater decreases in changes in Clinical Disease Activity Index (CDAI) and tender and swollen joint count in comparison to 22 patients with moderate and severe periodontitis (p = .02, p = .01, and p = .03). Both bivariate and multivariate analyses revealed a significantly positive association between the baseline CDC/AAP definitions and CDAI changes (p = .005 and p = .0038). However, rheumatologic conditions were comparable between 25 patients each in the low and high PISA groups.
Conclusions: Baseline periodontitis severity according to the CDC/AAP definitions is associated with the clinical response to bDMARDs for 1 year in RA patients.
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| http://dx.doi.org/10.1093/mr/roab121 | DOI Listing |
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