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Clinical Trial Summary

The objective of this study is to identify a panel of immunological molecular and cellular biomarkers able to predict the success of major dose-reduction or discontinuation of abatacept in rheumatoid arthritis patients


Clinical Trial Description

Parameters studied at different time points (before initiation of abatacept if sample is available in our biocollection; prior to dose tapering; prior to discontinuation) ACPA (anti-citrullinated proteins antibodies) repertoire -IgG (Immunoglobulins G) and/or IgA auto-antibodies repertoire directed against major epitopes of well-known autoantigens B cell repertoire B cell repertoire and transcriptome of regulatory B lymphocytes, memory B cells and B cells targeting specific autoantigens. Analysis of type I interferon signature Expression levels of 7 type I interferon (IFN) response genes will be determined to calculate on type I IFN score ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04343378
Study type Observational
Source University Hospital, Rouen
Contact Olivier VITTECOQ, Pr
Phone +3323288
Email olivier.vittecoq@chu-rouen.fr
Status Recruiting
Phase
Start date June 8, 2020
Completion date June 2024

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