期刊
RHEUMATOLOGY
卷 53, 期 3, 页码 502-511出版社
OXFORD UNIV PRESS
DOI: 10.1093/rheumatology/ket378
关键词
epratuzumab; CD22; ALLEVIATE; lupus; SLE; HRQOL; SF-36; corticosteroids; clinical trial; monoclonal antibody
类别
资金
- Immunomedics [SL0003/4]
- UCB Pharma [SL0003/4, SL0006]
Objective. To evaluate health-related quality of life (HRQOL) and corticosteroid use in patients with moderate to severely active SLE enrolled in two international, multicentre, randomized controlled trials of epratuzumab (ALLEVIATE-1 and -2) and a long-term extension study (SL0006). Methods. Ninety ALLEVIATE patients (43% BILAG A, mean BILAG score 13.2) were randomized to receive 360 mg/m(2) (n = 42) or 720 mg/m(2) (n = 11) epratuzumab or placebo (n = 37), plus standard of care, in 12-week cycles. Corticosteroid use, patient and physician global assessments of disease activity (PtGA and PGA) and 36-item Medical Outcomes Survey Short Form (SF-36) results were recorded at baseline and every 4 weeks. Both trials were prematurely discontinued due to a drug supply interruption; patients followed for 56 months were analysed. Twenty-nine patients continued in SL0006, with interim analysis at a median exposure of 120 (range 13-184) weeks. Results. At week 12, proportions of patients with a PGA >= 20% above baseline or with a PtGA improvement greater than or equal to the minimum clinically important difference were higher in the epratuzumab arms than the placebo arm. PGA and PtGA improvements were sustained but did not reach statistical significance. At week 24, mean cumulative corticosteroid doses with epratuzumab 360 and 720 mg/m(2) were 1051 and 1973 mg less than placebo (P = 0.034 and 0.081, respectively). At week 48, SF-36 scores approached or exceeded US age-and gender-matched norms in five domains with the 360 mg/m(2) treatment. Improvements were maintained in SL0006 over similar to 2 years. Conclusion. Epratuzumab treatment produced clinically meaningful and sustained improvements in PGA, PtGA and HRQOL and reductions in corticosteroid doses.
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