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Cytotoxic T lymphocyte-Associated Antigen +49G Variant Confers Risk for Anti-CCP- and Rheumatoid Factor-Positive Type of Rheumatoid Arthritis Only in Combination with CT60G Allele.

ABSTRACT: Controversial observations have been published on the association of the cytotoxic T lymphocyte associated antigen gene's variants with rheumatoid arthritis (RA). After genotyping 428 patients and 230 matched controls, the prevalence of the CT60(?)G allele was more frequent in RF- and/or anti-CCP-seropositive RApatients, compared to the healthy controls (P < .001). Regression analysis revealed that the CT60(?)G allele is a possible predisposing factor for RA in these subgroups. No accumulation of the +49(?)G allele was found among patients, and this variant was not found to correlate with RA. Assaying the possible genotype variations, the +49(?)G-CT60(?)G allelic combination was accumulated in seropositive RA-subtypes, and was associated with the risk of RA (OR = 1.73, P = .001 for the whole RA-population). Although the +49(?)G allele did not mean a predisposition to RA alone, in combination with CT60(?)G it, also conferred risk, suggesting that the +49A/G variant is associated with the risk of RA only in certain haplotypes.

SUBMITTER: Farago B

PROVIDER: S-EPMC2989689 | biostudies-literature | 2010

REPOSITORIES: biostudies-literature

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Cytotoxic T lymphocyte-Associated Antigen +49G Variant Confers Risk for Anti-CCP- and Rheumatoid Factor-Positive Type of Rheumatoid Arthritis Only in Combination with CT60G Allele.

Farago Bernadett B Kisfali Peter P Magyari Lili L Polgar Noemi N Melegh Bela B

Autoimmune diseases 20090827

Controversial observations have been published on the association of the cytotoxic T lymphocyte associated antigen gene's variants with rheumatoid arthritis (RA). After genotyping 428 patients and 230 matched controls, the prevalence of the CT60(∗)G allele was more frequent in RF- and/or anti-CCP-seropositive RApatients, compared to the healthy controls (P < .001). Regression analysis revealed that the CT60(∗)G allele is a possible predisposing factor for RA in these subgroups. No accumulation o ...[more]

PMID: 21157511

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Project description:IntroductionCurrently there is limited data to drive clinical decision making regarding the choice of biologic/targeted synthetic disease-modifying antirheumatic drugs (DMARD); thus, head-to-head comparisons are needed to help guide prescribing. In recent years, significant advancements have helped clarify the mechanistic basis of the clinical associations of autoantibodies in rheumatoid arthritis (RA). This study evaluated the effectiveness of abatacept versus tofacitinib in anti-cyclic citrullinated peptide (CCP+) patients with rheumatoid arthritis (RA).MethodsCorEvitas (formerly known as CORRONA) Registry patients aged ≥ 18 years, who were CCP+ before initiating abatacept or tofacitinib (December 2012 onwards through October 2019), had 6-month follow-up data (baseline and 6-month Clinical Disease Activity Index [CDAI]), and were not in remission at index were included. Patients were frequency matched 1:1 by prior biologic use before propensity score matching (PSM). Primary (mean change [D] in CDAI) and secondary outcomes 6 months after index were compared using mixed-effects models adjusted for variables that remained unbalanced after PSM.ResultsFollowing PSM, most baseline characteristics for 291 patient pairs were well balanced between treatments, although fewer patients initiating abatacept versus tofacitinib received prior non-TNFi biologic DMARDs, and patients initiating abatacept versus tofacitinib had a higher physician global assessment score, patient-reported fatigue, and modified Health Assessment Questionnaire (mHAQ). In adjusted analyses, there were no significant differences in mean [D] from baseline in CDAI at 6 months with abatacept versus tofacitinib (P = 0.936). Patients naïve for b/tsDMARDs initiating abatacept had a numerically greater mean [D] in CDAI at 6 months versus tofacitinib, although this difference was not statistically significant (P = 0.662). There were no significant differences for any secondary outcomes.ConclusionsIn adjusted analyses, CCP+ patients with RA initiating treatment with abatacept versus tofacitinib did not show a statistically significant difference in reducing disease activity or improving patient-reported outcomes.

Dataset Information

Cytotoxic T lymphocyte-Associated Antigen +49G Variant Confers Risk for Anti-CCP- and Rheumatoid Factor-Positive Type of Rheumatoid Arthritis Only in Combination with CT60G Allele.

Publications

Cytotoxic T lymphocyte-Associated Antigen +49G Variant Confers Risk for Anti-CCP- and Rheumatoid Factor-Positive Type of Rheumatoid Arthritis Only in Combination with CT60G Allele.

Similar Datasets

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