Journal
RHEUMATOLOGY
Volume 61, Issue 9, Pages 3777-3791Publisher
OXFORD UNIV PRESS
DOI: 10.1093/rheumatology/keac002
Keywords
systemic lupus erythematosus; lupus low disease activity state; low disease activity; remission induction therapy; outcome measure; treatment target
Categories
Funding
- JSPS KAKENHI [19K17892]
- Grants-in-Aid for Scientific Research [19K17892] Funding Source: KAKEN
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This study aimed to demonstrate the significance of the time to achieve lupus low disease activity state (LLDAS) after remission induction therapy in patients with severely active SLE. The results showed that achieving LLDAS within 12 months may be favorable in patients with severely active SLE.
Objectives To demonstrate the significance of the time to attain lupus low disease activity state (LLDAS) after remission induction therapy in patients with severely active SLE. Methods We enrolled 79 patients starting prednisolone >= 0.4 mg/kg/day for active lupus with a BILAG 2004 index of A >= 1 or B >= 2, or for severe flare based on the Safety of Estrogens in Lupus Erythematosus National Assessment-SLE Disease Activity Index (SELENA-SLEDAI). The time to LLDAS attainment was divided into <= 6, 6-12 and >12 months and non-LLDAS; associations between the timing of LLDAS and flares, damage accrual and >= 50% LLDAS attainment were examined. Results The mean SLEDAI was 17; median starting dose of prednisolone, 0.95 mg/kg/day; and mean observational period, 39.7 months. Six (7.6%) and 41 (51.9%) patients achieved LLDAS within 6 and 12 months. Patients with a shorter time to LLDAS achievement were more likely to spend >= 50% of the time in LLDAS and had a lower cumulative prednisolone dose; no differences were observed in damage accrual. Patients requiring longer than 12 months to achieve LLDAS had a higher prevalence of thrombocytopenia and those with non-LLDAS had lower renal function and a higher starting dose of prednisolone and steroid pulse therapy than those who achieved LLDAS within 12 months. Conclusion Achieving LLDAS within 12 months of induction therapy may be favourable in patients with severely active SLE. The low frequency of LLDAS attainment in high-risk populations highlights the need for a new strategy for SLE treatment.
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