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Published in: Arthritis Research & Therapy 1/2017

Open Access 01-12-2017 | Research article

Methotrexate and anti-tumor necrosis factor treatment improves endothelial function in patients with inflammatory arthritis

Authors: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Smastuen, Stefan Agewall, Torstein Lyberg, Nicoletta Ronda, Knut Mikkelsen, Gunnbjorg Hjeltnes, Ivana Hollan

Published in: Arthritis Research & Therapy | Issue 1/2017

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Abstract

Background

Inflammatory arthritis (IA), including rheumatoid arthritis (RA), ankylosing spondylitis (AS) and psoriatic arthritis (PsA), leads to increased cardiovascular disease occurrence probably due to atherosclerosis. One of the first stages in atherogenesis is endothelial dysfunction (ED). Therefore, we aimed to compare endothelial function (EF) in patients with IA, and to examine the effects of methotrexate (MTX) monotherapy and antitumor necrosis factor (anti-TNF) treatment with or without MTX comedication (anti-TNF ± MTX) on EF.

Methods

From the PSARA observational study, all patients with RA (n = 64), PsA (n = 29), and AS (n = 20) were evaluated for EF. In patients with ED at baseline (n = 40), we evaluated changes in the Reactive Hyperemic Index (RHI) after 6 weeks and 6 months of antirheumatic therapy.

Results

In IA patients with ED, RHI significantly improved after 6 weeks (p < 0.001) and 6 months (p < 0.001) of treatment, independent of changes in disease activity parameters. After 6 months, RHI had improved more in the MTX group than in the anti-TNF ± MTX group, and the difference remained statistically significant after adjustments for potential confounders. Among patients with active RA, AS, and PsA, those with AS appeared to have the worst endothelial function, although they were the youngest.

Conclusion

Treatment with MTX and anti-TNF ± MTX was associated with a relatively fast improvement of EF in IA patients with ED, independent of change in disease activity. Therefore, modes of action other than the anti-inflammatory effect may contribute to the EF improvement. After 6 months, the EF improvement was more pronounced in the MTX group than in the anti-TNF ± MTX group.

Trial registration

Clinicaltrials, NCT00902005. Registered on 13 May 2009.
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Metadata
Title
Methotrexate and anti-tumor necrosis factor treatment improves endothelial function in patients with inflammatory arthritis
Authors
Gia Deyab
Ingrid Hokstad
Jon Elling Whist
Milada Cvancarova Smastuen
Stefan Agewall
Torstein Lyberg
Nicoletta Ronda
Knut Mikkelsen
Gunnbjorg Hjeltnes
Ivana Hollan
Publication date
01-12-2017
Publisher
BioMed Central
Published in
Arthritis Research & Therapy / Issue 1/2017
Electronic ISSN: 1478-6362
DOI
https://doi.org/10.1186/s13075-017-1439-1

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