Clinical utility of anti-carbamylated antibody in rheumatoid arthritis female patients: Emerging predictive value compared to anti-cyclic citrullinated peptide and rheumatoid factor
Aim of the work: To evaluate the frequency of anti-carbamylated protein (anti-CarP) antibodies positivity in female rheumatoid arthritis (RA) patients; to study their association with different disease aspects clinically and radiologically and to assess their potential predictive role of RA disease...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Elsevier
2022
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/fb792071ebe0407bb20b160d0378ba99 |
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| Sumario: | Aim of the work: To evaluate the frequency of anti-carbamylated protein (anti-CarP) antibodies positivity in female rheumatoid arthritis (RA) patients; to study their association with different disease aspects clinically and radiologically and to assess their potential predictive role of RA disease compared to other autoantibodies. Patients and methods: Fifty-one RA female patients and 44 age-matched controls were studied. Duration of morning stiffness, disease activity score (DAS28) and health assessment questionnaire (HAQ) were assessed. Laboratory investigations included acute phase reactants, rheumatoid factor (RF), anti-cyclic citrullinated peptide (anti-CCP) and anti-CarP antibodies. Conventional radiography of both hands and feet was performed and assessed by a simple erosion narrowing score (SENS). All patients were evaluated by ultrasound 7 (US7) score. Results: The mean age of patients was 46.9 ± 8.6 years with disease duration of 6.2 ± 5.3 years. Anti-CarP antibody was positive in 52% and 54.5% of patients seronegative for anti-CCP and RF respectively. RF was positive in 40 (78.4), anti-CCP was positive in 26(51%), and anti-CarP in 21 (41.2%) patients. Anti-CarP antibodies were significantly associated with radiological damage, DAS28, HAQ and acute phase reactants. The sensitivity and specificity were 41.2% and 88.6%, respectively for anti-CarP, 51% and 93.2% for anti-CCP and 78.4% and 90.9% for RF to diagnose RA. Conclusions: An association between anti-CarP antibody positivity and the disease activity, severity, structural damage and hence poor disease outcome has been demonstrated. Testing anti-CarP antibodies could be a useful marker for the assessment of disease activity as well as the expectation of prognosis in RA patients. |
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