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2015 ; 1
(1
): e000180
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
Predictive value of autoantibodies from anti-CCP2, anti-MCV and anti-human
citrullinated fibrinogen tests, in early rheumatoid arthritis patients with rapid
radiographic progression at 1?year: results from the ESPOIR cohort
#MMPMID26635969
Degboé Y
; Constantin A
; Nigon D
; Tobon G
; Cornillet M
; Schaeverbeke T
; Chiocchia G
; Nicaise-Roland P
; Nogueira L
; Serre G
; Cantagrel A
; Ruyssen-Witrand A
RMD Open
2015[]; 1
(1
): e000180
PMID26635969
show ga
OBJECTIVES: We compared the ability of antibodies against cyclic citrullinated
peptides (anti-CCP2), against mutated citrullinated vimentin (anti-MCV) and
against citrullinated fibrinogen (AhFibA) to predict 1?year rapid radiographic
progression (RRP; total Sharp score variation ?5 points), in early rheumatoid
arthritis (RA). METHODS: We analysed 566 patients from the ESPOIR cohort with
early RA fulfilling the 2010 American College of Rheumatology/European League
Against Rheumatism (ACR/EULAR) criteria at year 1. We assayed the 3
anticitrullinated peptide antibodies (ACPA) tests on baseline sera. We compared
the performance of these 3 ACPA tests to predict first-year RRP, by comparing
areas under the receiver operating characteristic curves (ROCs). We assessed the
1?year RRP risk by ACPA titres. We used a logistic multivariate regression to
analyse RRP risk in terms either of ACPA positivity or titre: high (>3 times the
N cut-off) and low (1 to 3N). RESULTS: 145 patients displayed RRP. Areas under
the ROCs were similar (0.60) for the 3 tests. High ACPA titres were associated
with 1?year RRP, whatever the test was, and with similar ORs. Low+ anti-MCV
titres were not associated with 1-year RRP, whereas low+ anti-CCP2 titres
(p=0.0226) and low+ AhFibA titres (p=0.0332) were significantly associated. In
multivariate analysis, 1?year RRP was associated with anti-CCP2 positivity
(p<0.0001), AhFibA positivity (p<0.0001) and high anti-MCV titres (p<0.0001).
CONCLUSIONS: Anti-CCP2 antibodies and AhFibA were predictive of 1?year RRP in
early RA whatever their titre was, whereas only high anti-MCV antibody titres
were predictive, potentially making them more discriminant to predict 1?year RRP
risk.