OBJECTIVE: To evaluate a contribution of selected laboratory parameters for a prediction of progressive and erosive development in @entity1 with early @entity309 ( @entity309 ). METHODS: In a prospective study baseline levels of antibodies to cyclic citrullinated peptide (anti-CCP), IgM, IgA, and IgG rheumatoid factors (RFs) were measured by enzyme linked immunosorbent assay (ELISA) in 104 @entity1 with @entity309 with disease duration <2 years. Antikeratin antibodies (AKA) and antiperinuclear factor (APF) were detected by indirect immunofluorescence. @entity1 were divided into two groups based either on the presence or absence of erosions or according to progression of Larsen score at the end of the 24 months' follow up. RESULTS: Sixty seven (64%) @entity1 developed radiographic erosions, 49 (47%) had progression in Larsen score, and 36 (35%) progressed by more than 10 Larsen units. Significant differences in erosions and progression between the two groups were detected for anti-CCP, AKA, APF, IgM RF, IgA RF, and IgG RF. Baseline Larsen score correlated significantly with anti-CCP, IgM RF, and IgA RF levels, and all measured antibodies correlated with the progression >10 units. The combination of anti-CCP and IgM RF increased the ability to predict @entity74 . CONCLUSION: The data confirmed that measurement of anti-CCP, AKA, APF, and individual isotypes of RFs was useful for prediction of structural damage early in the disease course. Combined analysis of anti-CCP and IgM RF provides the most accurate prediction.

Autoantibodies can be prognostic markers of an erosive disease in early XXXX .

@entity1 :: ('9606', 'Species') :: ['Patients', 'patients'] @entity74 :: ('MESH:D030342', 'Disease') :: ['erosive and progressive disease'] @entity309 :: ('MESH:D001172', 'Disease') :: ['rheumatoid arthritis', 'RA']
@entity309 :: (MESH:D001172,Disease) :: ['rheumatoid arthritis']
