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FRI0402 Disease Flare Patterns and Predictors in a Long-Term Follow-Up of 423 Japanese SLE Patients from Monocentric Cohort Jude Study
  1. H. Amano1,
  2. S. Ando1,
  3. K. Minowa1,
  4. T. Watanabe1,
  5. M. Ogasawara1,
  6. S. Morimoto2,
  7. Y. Tokano3,
  8. K. Yamaji1,
  9. N. Tamura1,
  10. Y. Takasaki1
  1. 1Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo
  2. 2Department of Internal Medicine and Rheumatology, Juntendo Urayasu Hospital
  3. 3Tokano Clinic, Chiba, Japan


Background Although the prognosis for systemic lupus erythematosus (SLE) has greatly improved, many patients experience the disease flare-up. Little is known about the disease flare-up patterns and predictors in a long-term follow up.

Objectives The aim of this study was to clarify the outcomes and predictors for disease flare-up in a monocentric cohort of Japanese patients with SLE.

Methods Among 2390 SLE patients registered in our JUDE (Juntendo University Database of Erythematosus) study, diagnosed between 1964 and 2004, 423 for whom long-term follow-up was possible between 1973 and 2012 were investigated. Disease activity patterns were defined using the SLE Disease Activity Index-2000 (SLEDAI-2K)1.Disease flare-up was defined according to the SELENA-SLEDAI flare composite2. SLE patients were included if they fulfilled the ARA3 or ACR4 criteria for SLE. Data on disease activity, severe flare-up and treatment were collected, and the initial clinical manifestations of disease flare-up were analyzed. The censoring period for analysis was May to October 2013.

Results The mean follow-up duration was 25.9 years. During follow-up, 118 (27.9%) of the 423 patients experienced at least once flare-up after initial treatment with corticosteroid or corticosteroid plus immunosuppressant. More than half (58.5%) of the patients who suffered flare-up were accumulated within 5 years, irrespective of the initial therapy. Comparison of the age at onset among patients who suffered flare-up more than twice in 10 years after the initial therapy showed that teenage onset accounted for a greater proportion than patients who developed SLE in their thirties and beyond. The most common manifestation associated with flare-up was thrombocytopenia. Cluster analysis showed that renal disturbance was distinct from arthritis among manifestations of both onset and flare-up.

Conclusions This long-term monocentric cohort follow-up study of 423 Japanese SLE patients revealed that 27.9% suffered flare-up after the initial therapy, irrespective of the initial treatment regimen.


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  4. Hochberg MC. Updating the American College of Rheumatology revised criteria for the classification of systemic lupus erythematosus. Arthritis Rheum. 1997 40(9):1725

Disclosure of Interest None declared

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