Interleukin-18 as an efficient marker for remission and follow-up in patients with inactive adult-onset Still's disease
- Authors
- Jung, K-H; Kim, J-J; Lee, J-S; Park, W.; Kim, T-H; Jun, J-B; Yoo, D. H.
- Issue Date
- Mar-2014
- Publisher
- TAYLOR & FRANCIS LTD
- Citation
- SCANDINAVIAN JOURNAL OF RHEUMATOLOGY, v.43, no.2, pp.162 - 169
- Indexed
- SCIE
SCOPUS
- Journal Title
- SCANDINAVIAN JOURNAL OF RHEUMATOLOGY
- Volume
- 43
- Number
- 2
- Start Page
- 162
- End Page
- 169
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160533
- DOI
- 10.3109/03009742.2013.824023
- ISSN
- 0300-9742
- Abstract
- Objectives: Diagnosis of adult-onset Still's disease (AOSD) is difficult because of a lack of pathognomonic findings and markers. The aim of this study was to investigate the efficacy of interleukin (M)-18 and free IL-18 in the diagnosis and follow-up of patients with AOSD. Method: Levels of inflammatory cytokines, IL-18, IL-18 binding protein (IL-18BP), and free IL-18 were compared in 80 AOSD patients and 90 controls. The AOSD patients were divided into active and inactive groups according to disease activity, and the inactive patients were subdivided into a remission subgroup and a low disease activity subgroup. We compared erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), ferritin, IL-18, and free IL-18 as disease activity markers in the AOSD patients. Serial serum levels of activity markers were measured in 52 of the 80 AOSD patients at 3- to 6-month intervals. Results:There were significantly higher levels of IL-18 and free IL-18 in the AOSD patients than in the controls. IL-18 and free IL-18 were significantly higher in the active group than the inactive group (p < 0.001 for all). Unlike other activity markers, IL-18 and free IL-18 levels in the low disease activity subgroup were significantly higher than those in the remission subgroup within the inactive group (p = 0.004 and 0.005, respectively). During serial follow-up, ferritin and IL-18 showed a significant decrease in the responder and remission subgroup. Conclusions: IL-18 might be an efficient marker for diagnosis and follow-up of AOSD and might also be a useful predictor of remission, especially in clinically inactive patients.
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