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KMID : 1120220170080030179
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Osong Public Health and Research Perspectives
2017 Volume.8 No. 3 p.179 ~ p.184
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Long-term Treatment with Anti-platelet Agents for Collagen-induced Arthritis Improves Radiological Findings
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Kim Chan
Kim Toyou
Yoo Ji-Hyung
Sheen Dong-Hyuk
Lee Sang-Kwang
Choi Eun-Hye
Chun Tong-Jin
Kang Seong-Wook
Shim Seung-Cheol
Lim Mi-Kyoung
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Abstract
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Objectives: The objectives of this study were to evaluate the long-term effect of anti-platelet treatment on the radiological progression of collagen-induced arthritis in rats.
Methods: Female Lewis rats with collagen-induced arthritis were divided into three experimental groups: saline, aspirin monotherapy (n = 12), and aspirin?clopidogrel dual therapy (n = 12). Drugs were administered daily and continued up to 70 days after the induction of arthritis. The clinical arthritis index (weight, morphology score, and paw thickness) and radiological scores were evaluated.
Results: The clinical arthritis index peaked on day 20, while the radiological scores peaked on day 35. No intergroup difference was observed in the clinical arthritis index throughout the experiment. The aspirin?clopidogrel dual therapy group had a significantly higher mean radiological score than the other groups (p = 0.045) on day 35. Further treatments resulted in significantly improved radiological findings in the aspirin monotherapy and aspirin?clopidogrel dual therapy groups on day 70 but no significant improvement in the saline group.
Conclusion: Anti-platelet agent treatment improved radiological findings on day 70. These observations emphasize the importance of a future long-term study of the effects of anti-platelet agent treatment on arthritis.
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KEYWORD
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antiplatelet drug, collagen induced arthritis, bone erosion, radiological progression
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