Document Detail

Decrement of serum cartilage oligomeric matrix protein (COMP) in rheumatoid arthritis (RA) patients achieving remission after 6 months of etanercept treatment: comparison with CRP, IgM-RF, MMP-3 and anti-CCP Ab.
MedLine Citation:
PMID:  20864374     Owner:  NLM     Status:  In-Process    
OBJECTIVE: The aim of this study was to evaluate whether serum COMP can estimate the therapeutic response of RA after 6 months of treatment with etanercept.
METHODS: Forty-five RA patients receiving 25 mg of etanercept twice a week for 6 months were registered in this prospective observational study. Clinical response to the therapy was evaluated by DAS 28. Laboratory variables- COMP, CRP, ESR, IgM-RF, MMP-3, and anti-CCP Ab -were assessed at baseline and after 6 months of treatment. We assessed the correlations between serum COMP and other variables and whether serum COMP is associated with DAS28 remission.
RESULTS: Serum COMP correlated with DAS28-ESR (p < 0.05, r = 0.40) at baseline. At 6 months of etanercept treatment, 10 patients entered remission (DAS28-ESR < 2.6) whereas the other 35 patients did not (DAS28-ESR > 2.6). The decrement of serum COMP at 6 months was significant in the remission group (N = 10) but not in the non-remission group (N = 35). On the other hand, CRP, ESR and MMP-3 decreased at 6 months regardless of remission status. IgM-RF titer as well as anti-CCP Ab titer did not differ at 6 months.
CONCLUSIONS: Serum COMP at baseline reflects clinical disease activity of RA. Serum COMP is a valuable serologic marker to identify the subset of RA patients achieving remission during treatment with etanercept.
Shin-Ya Kawashiri; Atsushi Kawakami; Yukitaka Ueki; Takahiro Imazato; Naoki Iwamoto; Keita Fujikawa; Toshiyuki Aramaki; Mami Tamai; Hideki Nakamura; Tomoki Origuchi; Hiroaki Ida; Katsumi Eguchi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-22
Journal Detail:
Title:  Joint, bone, spine : revue du rhumatisme     Volume:  77     ISSN:  1778-7254     ISO Abbreviation:  Joint Bone Spine     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100938016     Medline TA:  Joint Bone Spine     Country:  France    
Other Details:
Languages:  eng     Pagination:  418-20     Citation Subset:  IM    
Copyright Information:
Copyright © 2010. Published by Elsevier SAS.
Unit of Translational Medicine, Department of Immunology and Rheumatology, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8501, Japan.
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