Hormonal replacement therapy may reduce the risk for RA in women with early arthritis who carry HLA-DRB1 *01 and/or *04 alleles by protecting against the production of anti-CCP: results from the ESPOIR cohort.

Abstract : OBJECTIVE: To assess the effect of reproductive factors, especially hormone replacement therapy (HRT) and its interaction with HLA-DRB1 *01 and/or *04 alleles on the diagnosis of rheumatoid arthritis (RA) and the presence of anti-cyclic citrullinated peptide (CCP) antibodies in women included in the ESPOIR cohort (early arthritis cohort). METHODS: 568 patients were included in the analyses, which were performed using logistic regression. RESULTS: HRT reduced the risk of RA due to the HLA-DRB1 *01 and/or *04 alleles from OR 1.88 (95% CI 1.32 to 2.68, p<0.000) for HLA-DRB1 *01 and/or *04 alleles alone to OR 1.07 (95% CI 0.51 to 2.26, p=0.85) in women with HLA-DRB1 *01 and/or *04 alleles who received HRT. One explanation might be the protective effect of HRT on the presence of anti-CCP antibodies (OR 0.43, 95% CI 0.24 to 0.77, p<0.006). Other reproductive factors such as the number of pregnancies, menopause and age at menopause, age at menarche and a history of pregnancy with poor outcome were not associated with the diagnosis of RA and the presence of anti-CCP antibodies. CONCLUSION: HRT may reduce the risk of RA due to HLA-DRB1 *01 and/or *04 alleles by protecting against the production of anti-CCP antibodies.
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Annals of the Rheumatic Diseases, BMJ Publishing Group, 2010, 69 (9), pp.1683-6. 〈10.1136/ard.2009.111179〉
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Soumis le : mardi 14 janvier 2014 - 13:55:29
Dernière modification le : jeudi 11 janvier 2018 - 06:15:57

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Carine Salliot, Claire Bombardier, Alain Saraux, Bernard Combe, Maxime Dougados. Hormonal replacement therapy may reduce the risk for RA in women with early arthritis who carry HLA-DRB1 *01 and/or *04 alleles by protecting against the production of anti-CCP: results from the ESPOIR cohort.. Annals of the Rheumatic Diseases, BMJ Publishing Group, 2010, 69 (9), pp.1683-6. 〈10.1136/ard.2009.111179〉. 〈hal-00930168〉

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