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Posted by on Jul 14, 2018 in Rheumatoid Arthritis | 0 comments

In a nutshell

This study examined the features of long-term disease remission in patients with rheumatoid arthritis (RA) on reduced treatment. The study concluded that disease activity, synovitis, rheumatoid factor and a history of smoking are associated with treatment failure.

Some background

Biological (b)DMARDs (disease-modifying anti-rheumatic drugs) are a type of treatment for RA. These therapies are associated with long-term adverse effects. Some clinicians recommend reducing the dose of bDMARDs if disease activity is low (remission). However, in some cases reducing bDMARDs can cause RA disease symptoms to worsen.

There may be clinical factors that indicate when a patient’s disease symptoms may worsen if they are on a tapered (reduced) bDMARD regimen. It is unclear what factors may predict the suitability of tapered bDMARD regimens in patients with RA.

Methods & findings

This study included 77 patients with RA in remission. Patients were assigned to receive either a full dose or tapered dose regimen of bDMARDs over a 40-month period. At the beginning of the study patients underwent an assessment to measure disease activity, including a musculoskeletal ultrasound (MSUS). This assessment was repeated at 12 months, and at 3-monthly intervals thereafter until the end of the study.

57.1% of patients on the tapered bDMARD regimen did not maintain remission status throughout the study. Patients that failed the tapered bDMARD regimen had a longer disease duration and more severe disease activity prior to remission. Factors that may predict tapered bDMARD failure included the presence of synovitis (inflammation of fluid around joints), higher disease activity and the presence of rheumatoid factor (RF) in the joints. Smoking was also associated with a greater risk of failure at 12 months post-treatment.

The bottom line

The authors concluded that disease activity, synovitis, rheumatoid factor and a history of smoking are associated with treatment failure.

The fine print

The number of patients included in this study was small. A larger study is needed to confirm these results.

What’s next?

If you have any concerns regarding rheumatoid arthritis treatment and remission, please discuss this with your physician.

Published By :

Rheumatology International

Date :

Jun 18, 2018

Original Title :

Identifying markers of sustained remission in rheumatoid arthritis patients on long-term tapered biological disease-modifying antirheumatic drugs.

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