Evaluation of Serum Matrix Metalloproteinase-3 as an Objective Indicator for the Disease Activity in Rheumatoid Arthritis Patients Treated With Methotrexate Versus Tocilizumab: 24-week Results From a Prospective Randomized Controlled Study
- Authors
- 여지나; 백한주; 송영욱; 이은영
- Issue Date
- Apr-2022
- Publisher
- 대한류마티스학회
- Keywords
- Matrix metalloproteinase 3; Rheumatoid arthritis; Biomarker; Methotrexate; Tocilizumab
- Citation
- 대한류마티스학회지, v.29, no.2, pp.89 - 97
- Journal Title
- 대한류마티스학회지
- Volume
- 29
- Number
- 2
- Start Page
- 89
- End Page
- 97
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/84010
- DOI
- 10.4078/jrd.2022.29.2.89
- ISSN
- 2093-940X
- Abstract
- Objective: This study aims to evaluate the change in serum metalloproteinase-3 (MMP-3) following the management of active rheumatoid arthritis (RA) and define the relationships between MMP-3 and disease activity indices.
Methods: Data from a previously reported a 24-week, randomized controlled trial to investigate efficacy of tocilizumab in active RA refractory to methotrexate were analyzed. The serum level of MMP-3 were measured at week 0, 12, 20, and 24. The changes in MMP-3, and the relationship between MMP-3 and clinical parameters was assessed based on treatment group, methotrexate with or without tocilizumab.
Results: A total of 95 patients were included in this study. The serum MMP-3 significantly decreased and showed similar pattern with other disease activity indices during treatment period in both treatment groups (p<0.001). The MMP-3 was positively correlated with ESR, CRP, DAS28, SDAI, and CDAI for 302 visits throughout 24 weeks (p<0.001). In another correlation analysis to evaluate the treatment effect at 24 week time point, methotrexate group showed significant correlation between serum markers: MMP-3 (r=0.321, p=0.043); ESR (r=0.450, p=0.002); and CRP (r=0.536, p<0.001), with DAS28, but tocilizumab group didn’t show meaningful correlation between serum markers and DAS28 (p>0.05).
Conclusion: Serum MMP-3 showed positive correlation with disease activity indices in active RA patients. Furthermore, serum MMP-3 significantly decreased from baseline to week 20. As there is no single serum marker that can represent the disease activity particularly in tocilizumab treatment, MMP-3 might be a useful adjunct indicator to evaluate the treatment response in active RA patients.
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