Flares in patients with systemic lupus erythematosus.
McElhone, Kathleen Abbott, Janice Hurley, Margaret Burnell, Jane Lanyon, Peter Rahman, Anisur Yee, Chee-Seng Akil, Mohammed Bruce, Ian N Ahmad, Yasmeen
McElhone, Kathleen
Abbott, Janice
Hurley, Margaret
Burnell, Jane
Lanyon, Peter
Rahman, Anisur
Yee, Chee-Seng
Akil, Mohammed
Bruce, Ian N
Ahmad, Yasmeen
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2021-07-01
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Abstract
Objective: SLE is characterized by relapses and remissions. We aimed to describe the frequency, type and time to flare in a cohort of SLE patients.
Methods: SLE patients with one or more 'A' or 'B' BILAG-2004 systems meeting flare criteria ('new' or 'worse' items) and requiring an increase in immunosuppression were recruited from nine UK centres and assessed at baseline and monthly for 9 months. Subsequent flares were defined as: severe (any 'A' irrespective of number of 'B' flares), moderate (two or more 'B' without any 'A' flares) and mild (one 'B').
Results: Of the 100 patients, 94% were female, 61% White Caucasians, mean age (s.d.) was 40.7 years (12.7) and mean disease duration (s.d.) was 9.3 years (8.1). A total of 195 flares re-occurred in 76 patients over 781 monthly assessments (flare rate of 0.25/patient-month). There were 37 severe flares, 32 moderate flares and 126 mild flares. By 1 month, 22% had a mild/moderate/severe flare and 22% had a severe flare by 7 months. The median time to any 'A' or 'B' flare was 4 months. Severe/moderate flares tended to be in the system(s) affected at baseline, whereas mild flares could affect any system.
Conclusion: . In a population with active SLE we observed an ongoing rate of flares from early in the follow-up period with moderate-severe flares being due to an inability to fully control the disease. This real-world population study demonstrates the limitations of current treatments and provides a useful reference population from which to inform future clinical trial design.
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McElhone K, Abbott J, Hurley M, Burnell J, Lanyon P, Rahman A, Yee CS, Akil M, Bruce IN, Ahmad Y, Gordon C, Teh LS. Flares in patients with systemic lupus erythematosus. Rheumatology (Oxford). 2021 Jul 1;60(7):3262-3267. doi: 10.1093/rheumatology/keaa777
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