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. 2022 Mar 31;33(1):42-47.
doi: 10.31138/mjr.33.1.42. eCollection 2022 Mar.

Rheumatoid Arthritis Co-relation with Anti-CCP Antibodies with special reference to its Prevalence in Asymptomatic First-Degree Relatives

Pramod Gr  1 , Prasanta Dihingia  2 , Anshu Kumar Jha  3 , Akash Gadgade  4 , Deepti Agarwal  5
Affiliations

Rheumatoid Arthritis Co-relation with Anti-CCP Antibodies with special reference to its Prevalence in Asymptomatic First-Degree Relatives

Pramod Gr et al. Mediterr J Rheumatol. .

Abstract

Objectives: Rheumatoid Arthritis (RA) is a chronic inflammatory autoimmune disease. First-degree relatives (FDR) of patients with RA sharing genetic and environmental risk factors for RA may represent a pre-RA state. This study showed the clinical co-relation of RA with Anti-Cyclic citrullinated peptide (anti-CCP) antibody and prevalence of sero-positive anti-CCP antibody in asymptomatic first-degree relatives (AFDR) of rheumatoid arthritis patients.

Methods: Total 85 RA patients, 105 AFDR, and 105 healthy controls who belonged to the same geographical area having no family history of autoimmune diseases were enrolled in this cross-sectional study. RA patients were clinically examined, and DAS-28 was calculated. Anti-CCP was sent for RA patients, AFDR, and control group. Appropriate statistical tools were applied to find if any significant co-relation exists.

Results: DAS 28 co-related significantly with anti-CCP positivity (p≤0.01) but not with Rheumatoid Factor (RF). No significant co-relation was observed between anti-CCP and extra-articular manifestation (EAM) (p≥0.05). Seropositivity for anti-CCP antibody was detected in 22/105 (20.9%) AFDR and in 13/105 (12.3%) control group respectively. Anti-CCP antibody seropositivity was more prevalent in AFDR than in control group but the difference was not statistically significant (p = 0.1378).

Conclusions: Anti-CCP should be preferred over RF as it correlated well with disease activity, but it does not guide well for the EAM. The higher sero-prevalence of Anti-CCP in AFDR may lead to higher risk of development of RA in near future. Thus, all AFDR should be screened so that we may follow up the positive cases for early detection and treatment of RA.

Keywords: anti-cyclic citrullinated peptide antibody; asymptomatic first-degree relative; rheumatoid arthritis.

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Figures

Figure 1.
Figure 1.
Extra-articular manifestations along with their sex distribution.
Figure 2.
Figure 2.
Extra-articular manifestation of double positive patients.
Figure 3.
Figure 3.
Titre values of RF and anti-CCP of RA patients.
See this image and copyright information in PMC

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