期刊
LANCET RHEUMATOLOGY
卷 4, 期 4, 页码 E282-E292出版社
ELSEVIER
DOI: 10.1016/S2665-9913(21)00317-9
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资金
- AstraZeneca
This post-hoc analysis aimed to evaluate the efficacy of anifrolumab on organ domain-specific SLE disease activity. The results demonstrated that anifrolumab treatment improved multiple organ systems in SLE patients, particularly the musculoskeletal system, mucocutaneous system, and immunological system.
Background Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterised by multisystem involvement. We aimed to evaluate the efficacy of anifrolumab on organ domain-specific SLE disease activity. Methods In this post-hoc analysis, data were pooled from the randomised, placebo-controlled, phase 3 TULIP-1 (NCT02446912) and TULIP-2 (NCT02446899) trials of anifrolumab (300 mg intravenously once every 4 weeks for 48 weeks) in patients aged 18-70 years with moderate-to-severe SLE. We evaluated changes from baseline to week 52 in British Isles Lupus Assessment Group 2004 (BILAG-2004) and SLE Disease Activity Index 2000 (SLEDAI-2K) organ domain scores, Cutaneous Lupus Erythematosus Disease Area and Severity Index activity score (CLASI-A), swollen and tender joint counts, haematology, and serology. Findings Among the 726 patients included, the mean age was 41.8 years (SD 11.9); 674 (93%) were female, 52 (7%) were male, and 479 (66%) were White. 360 patients received anifrolumab 300 mg (180 patients in each trial), and 366 received placebo (184 patients in TULIP-1 and 182 patients in TULIP-2). The most frequently affected organ domains at baseline were musculoskeletal (645 [89%] patients based on BILAG-2004; 684 [94%] with SLEDAI-2K) and mucocutaneous (627 [86%] with BILAG-2004; 699 [96%] based on SLEDAI-2K). At week 52, anifrolumab treatment resulted in greater improvements versus placebo in the musculoskeletal system (176 [56%] of 317 patients vs 143 [44%] of 328 with BILAG-2004; 164 [49%] of 335 vs 141 [40%] of 349 with SLEDAI-2K), the mucocutaneous system (168 [54%] of 315 vs 119 [38%] of 312 with BILAG-2004; 190 [55%] of 348 vs 138 [39%] of 351 SLEDAI-2K), and immunological system (44 [19%] of 237 vs 26 [11%] of 230 with SLEDAI-2K). Less frequently affected domains had varied responses. Among patients with a CLASI-A of 10 or more at baseline, greater proportions of patients receiving anifrolumab than placebo achieved a reduction of 50% or more in CLASI-A at week 52 (49 [46%] of 107 vs 24 [25%] of 94). Among patients with at least six swollen joints, more patients in the anifrolumab group than in the placebo group had a 50% or more reduction from baseline to week 52 in swollen joint count (99 [57%] of 174 vs 92 [46%] of 200), but the difference between groups was not significant for 50% or more reduction in tender joint count. Interpretation Across the two pivotal phase 3 trials, anifrolumab treatment improved SLE disease activity across multiple organ domains. Copyright (C) 2022 Elsevier Ltd. All rights reserved.
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