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Prevalence and predictive factors associated with sustained remission in SLE: a systematic review
1Medicine (Ageing, Rheumatology and Regenerative Medicine), University College London, London, UK r.abida@ucl.ac.uk.
Objective:
The question of sustained remission in SLE has been highlighted recently following data published on the use of chimeric antigen receptor-T cell therapy in SLE. With the review, we wanted to investigate the prevalence of sustained remission of 2 years or more in SLE with the current available treatments and to assess the predictive factors associated with this state.
Methods:
A systematic review of Embase via Ovid and Medline via Ovid was performed. We considered articles of adult patients with SLE that report the prevalence and/or the predictive factors of sustained remission in SLE. We considered that the latter state is sustained if it was for 2 years or more.
Results:
20 studies were included for final review. The definition of remission was different between studies, and most authors considered different types of remission based on the serological activity and the current therapy. The prevalence of long-term remission was different across studies depending on the definition used. It ranged from 0.3% to 63%. Older age at diagnosis, lower disease activity at baseline and the absence of renal disease involvement were the most commonly found factors likely associated with sustained remission.
Conclusion:
Long-term remission is an achievable state in SLE with current treatment. Studies report a striking heterogeneity in the current prevalences. This is likely to be caused by the lack of objective measures to confirm the state of sustained remission in SLE.
