AB0355 Anti-Rheumatic Therapy Reduces Syndecan-1 Shedding in Rheumatoid Arthritis (RA)

BackgroundIntact glycocalyx is of importance for healthy endothelial function. Changes in the endothelial glycocalyx, characterized by increased levels of circulating syndecan-1, might be related to accelerated atherosclerosis in RA.ObjectivesTo examine the effect of anti-rheumatic treatment on seru...

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Veröffentlicht in:Annals of the rheumatic diseases 2015-06, Vol.74 (Suppl 2), p.1011-1012
Hauptverfasser: Hollan, I., Vuong, T.T., Reine, T.M., Hjeltnes, G., Lyberg, T., Agewall, S., Wiik, A., Mikkelsen, K., Førre, Ø. T., Kolset, S.O.
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Sprache:eng
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Zusammenfassung:BackgroundIntact glycocalyx is of importance for healthy endothelial function. Changes in the endothelial glycocalyx, characterized by increased levels of circulating syndecan-1, might be related to accelerated atherosclerosis in RA.ObjectivesTo examine the effect of anti-rheumatic treatment on serum syndecan-1 levels.MethodsFrom the Norwegian observational PSARA study, we selected 32 patients starting with methotrexate (MTX) and/or anti-tumor necrosis factor (anti-TNF) treatment due to active RA. S-syndecan-1 was measured by ELISA at baseline and after 6 weeks of the treatment.ResultsThe mean age of the patients was 59±8 years, and 27% were men. 12 patients received MTX and 20 received MTX and anti-TNF. S-syndecan-1 significantly decreased during the treatment (49±52 ng/ml vs. 45±50 ng/ml, p=0.047). The difference was independent of age, sex and DAS28. The s-syndecan-1 reduction was greater in the MTX than MTX+anti-TNF group (10±13 vs. 1±1 ng/ml, p=0.048).ConclusionsAnti-rheumatic treatment reduces s-syndecan-1 in RA. Thus, a glycocalyx ameliorating effect may contribute to the reduction of cardiovascular morbidity due to anti-rheumatic treatment. In theory, the greater reduction of s-syndecan-1 in the MTX than in the combined group might be due to differences in patient population (less severe RA and a shorter disease duration in patients treated with MTX compared to anti-TNF). Interestingly, although MTX is considered a less potent anti-rheumatic drug than anti-TNF, it may have an important cardioprotective effect caused by its protective effect on glycocalyx etc. This effect might be at least partially independent of its anti-inflammatory properties.Disclosure of InterestNone declared
ISSN:0003-4967
1468-2060
DOI:10.1136/annrheumdis-2015-eular.3266