Key clinical point: In anti-citrullinated protein antibodies (ACPA)-negative rheumatoid arthritis (RA), a significant decline in the disease activity score (DAS) within the first 4 months after diagnosis was associated with a higher probability of achieving sustained disease-modifying anti-rheumatic drugs (DMARDs)-free remission (SDFR).
Major finding: In patients with ACPA-negative RA, the decline in DAS within the first 4 months was stronger in the SDFR vs. non-SDFR group (−1.73 vs. −1.07 units; P less than .001). SDFR incidence was high (70.2%) and rare (7.1%) when absolute DAS level at 4 months was less than 1.6 and 3.6 or greater, respectively.
Study details: The study cohort included 772 consecutive patients with RA promptly treated with conventional DMARDs. Patients were classified into SDFR (n=149) and non-SDFR (n=623) groups.
Disclosures: The study was supported by the Dutch Arthritis Foundation and the European Research Council under the European Union’s Horizon 2020 research and innovation program. The authors declared no conflicts of interest.
Source: Verstappen M et al. Arthritis Res Ther. 2020 Nov 23. doi: 10.1186/s13075-020-02368-9.