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Objectives To identify factors that predict response to belimumab treatment in the phase 3 BLISS trials of autoantibody-positive systemic lupus erythematosus (SLE) and further analyse clinical efficacy in various patient subsets. Methods The BLISS trials compared belimumab 1 and 10 mg/kg versus placebo, all plus standard SLE therapy, over 52 or 76 weeks. Pooled subgroup analyses of week 52 SLE responder index rates (the primary endpoint in both trials) were performed based on demographic characteristics and baseline disease activity indicators. Pooled multivariate analysis was performed to determine predictors of response and treatment effect. Results Pooled univariate and multivariate analyses (N=1684) identified baseline factors associated with an increased benefit of belimumab versus placebo. These factors included the Safety Of Estrogens In Lupus Erythematosus National Assessment–Systemic Lupus Erythematosus Disease Activity Index (SELENA–SLEDAI) ≥10, low complement, anti-dsDNA positivity and corticosteroid use. Efficacy outcomes were assessed in the low complement/anti-dsDNA-positive and SELENA–SLEDAI ≥10 subgroups. Week 52 SLE Responder Index rates in the low complement/anti-dsDNA-positive subgroup were 31.7%, 41.5% (p=0.002) and 51.5% (p<0.001) with placebo and belimumab 1 mg/kg and 10 mg/kg, respectively; corresponding rates in the SELENA–SLEDAI ≥10 subgroup were 44.3%, 58.0% (p<0.001) and 63.2% (p<0.001). Further analysis of secondary endpoints in the low complement/anti-dsDNA-positive subgroup showed that compared with placebo, belimumab produced greater benefits regarding severe flares, corticosteroid use and health-related quality of life. Conclusions These findings suggest that belimumab has greater therapeutic benefit than standard therapy alone in patients with higher disease activity, anti-dsDNA positivity, low complement or corticosteroid treatment at baseline. ClinicalTrials.gov identifiers NCT00424476 and NCT00410384

ObjectiveTo compare the efficacy and safety of enteric-coated mycophenolate sodium (EC-MPS) versus azathioprine (AZA) in patients with active systemic lupus erythematosus (SLE) disease.MethodsA multicentre, 24-month, superiority, open-label, randomised controlled trial (NCT01112215) was conducted with 240 patients (120 per arm) receiving either EC-MPS (target dose: 1440 mg/day) or AZA (target dose: 2 mg/kg/day) in addition to prednisone and/or antimalarials. The primary endpoint was the proportion of patients achieving clinical remission, assessed by SLE Disease Activity Index 2000 (SLEDAI-2K) and British Isles Lupus Assessment Group (BILAG), at 3 and 24 months. Secondary endpoints included time to clinical remission, BILAG A and B flare rates, time to flare, corticosteroid reduction and adverse events (AEs).ResultsProportion of patients achieving clinical remission (clinical SLEDAI=0) was higher in the EC-MPS group at 3 (32.5% vs 19.2%; treatment difference, 13.3 (CI 2.3 to 24), p=0.034) and 24 months (71.2% vs 48.3%; treatment difference, 22.9 (CI 10.4 to 34.4), p<0.001). EC-MPS was superior with respect to time to clinical remission (HR 1.43; 95% CI 1.07 to 1.91; p=0.017). BILAG A/B and B flares occurred more frequently in the AZA group (71.7% vs 50%, p=0.001 and 21.67% vs 8.3%, p=0.004, respectively). EC-MPS was superior with respect to time to first BILAG A/B (HR 1.81; 95% CI 1.3 to 2.56; p=0.0004) and BILAG A flare (HR 2.84; 95% CI 1.37 to 5.89; p=0.003). AEs were similar in both groups except for leucopenia that occurred more frequently with AZA.ConclusionsEC-MPS was superior to AZA in treating SLE and preventing further relapses.Trial registration numberNCT01112215; Results.

SummaryIn this randomized double-blind placebo-controlled 24-week trial, cholecalciferol supplementation at 50,000 IU/week effectively improved bone microarchitecture parameters in juvenile-onset systemic lupus erythematosus (JoSLE) patients, as assessed by high-resolution peripheral quantitative computed tomography (HR-pQCT) at tibia site. An increase in the trabecular number and a decrease in the trabecular separation were observed, suggesting that vitamin D supplementation may be recommended for JoSLE patients with its deficiency.IntroductionVitamin D has an important effect on bone but there are no trials that directly address the boosting of serum levels of 25-hydroxyvitamin D (25OHD) in bone microarchitecture in JoSLE patients. The aim of this study was to evaluate the effect of vitamin D supplementation on bone microarchitecture parameters using HR-pQCT in JoSLE patients.MethodsThis study was a randomized double-blind placebo-controlled 24-week trial. Forty female JoSLE patients were randomized (1:1) to receive oral cholecalciferol at 50,000 IU/week (JoSLE-VitD) or placebo (JoSLE-PL). The medications remained stable throughout the study. Serum levels of 25OHD were measured using a radioimmunoassay. The bone microarchitecture and volumetric bone density were analyzed using HR-pQCT at tibia site.ResultsAt baseline, the groups were similar with respect to their age, body mass index, organ involvement, glucocorticoid dose, immunosuppressant use, serum 25OHD levels, and HR-pQCT parameters. After 24 weeks, higher 25OHD levels were observed in the JoSLE-VitD group compared to the JoSLE-PL group [31.3 (8.6) vs. 16.5 (5.8) ng/mL, p < 0.001]. An increase in the trabecular number [∆Tb.N 0.16 (0.24) vs. 0.03 (0.19) 1/mm, p = 0.024] and a decrease in the trabecular separation [∆ThSp −0.045 (0.067) vs. 0.001 (0.009) mm, p = 0.017] were found in the JoSLE-VitD group compared to the JoSLE-PL group at tibia site. No differences were observed in other structural parameters [trabecular (Tb.Th) or cortical thickness (Ct.Th)], volumetric bone mineral densities, cortical porosity, and biomechanical parameters (p > 0.05).ConclusionThis study suggests that cholecalciferol supplementation for 24 weeks effectively improved the bone microarchitecture parameters, mainly the trabecular number, in JoSLE patients.Trial RegistrationNCT01892748

The EXPLORER study was designed to assess the response to rituximab versus placebo in patients with moderate to severe extrarenal systemic lupus erythematosus (SLE) receiving background immunosuppression. The definition of response required reduced clinical activity without subsequent flares over 52 weeks, and the study did not meet its efficacy endpoint. The current exploratory analysis assessed flare rates in patients who achieved initial low disease activity response (British Isles Lupus Assessment Group [BILAG] C or better in all organs) during the study. Exploratory reanalysis of data from the EXPLORER trial was conducted, considering alternative definitions for flare. No difference was found between rituximab and placebo in preventing or delaying moderate to severe flares. However, when severe (BILAG A) flares alone were examined, rituximab reduced the risk of a subsequent first A flare (hazard ratio = 0.61; p = 0.052) and lowered mean ± SD annualized A flare rates (0.86 ± 1.47 vs. 1.41 ± 2.14; p = 0.038). Eighty-four (49.7%) rituximab-treated patients achieved low disease activity without subsequent A flares versus 31 (35.2%) placebo-treated patients (p = 0.027). Prednisone rescue for A flares was similar in rituximab- (24%) and placebo-treated (14%) patients (p = 0.204). This post hoc analysis evaluates the hypothesis that assessment of BILAG A flares may distinguish potential treatment effects with greater sensitivity than assessment of BILAG B flares.

There is concern that exogenous female hormones may worsen disease activity in women with systemic lupus erythematosus (SLE). To evaluate the effect of hormone replacement therapy (HRT) on disease activity in postmenopausal women with SLE. Randomized, double-blind, placebo-controlled noninferiority trial conducted from March 1996 to June 2002. 16 university-affiliated rheumatology clinics or practices in 11 U.S. states. 351 menopausal patients (mean age, 50 years) with inactive (81.5%) or stable-active (18.5%) SLE. 12 months of treatment with active drug (0.625 mg of conjugated estrogen daily, plus 5 mg of medroxyprogesterone for 12 days per month) or placebo. The 12-month follow-up rate was 82% for the HRT group and 87% for the placebo group. The primary end point was occurrence of a severe flare as defined by Safety of Estrogens in Lupus Erythematosus, National Assessment-Systemic Lupus Erythematosus Disease Activity Index composite. Severe flare was rare in both treatment groups: The 12-month severe flare rate was 0.081 for the HRT group and 0.049 for the placebo group, yielding an estimated difference of 0.033 (P = 0.23). The upper limit of the 1-sided 95% CI for the treatment difference was 0.078, within the prespecified margin of 9% for noninferiority. Mild to moderate flares were significantly increased in the HRT group: 1.14 flares/person-year for HRT and 0.86 flare/person-year for placebo (relative risk, 1.34; P = 0.01). The probability of any type of flare by 12 months was 0.64 for the HRT group and 0.51 for the placebo group (P = 0.01). In the HRT group, there were 1 death, 1 stroke, 2 cases of deep venous thrombosis, and 1 case of thrombosis in an arteriovenous graft; in the placebo group, 1 patient developed deep venous thrombosis. Findings are not generalizable to women with high-titer anticardiolipin antibodies, lupus anticoagulant, or previous thrombosis. Adding a short course of HRT is associated with a small risk for increasing the natural flare rate of lupus. Most of these flares are mild to moderate. The benefits of HRT can be balanced against the risk for flare because HRT did not significantly increase the risk for severe flare compared with placebo.

IntroductionSLE is a chronic autoimmune disease that results in sustained hyperactivation of innate and adaptive immune cells and widespread inflammatory damage. Regular exercise reduces SLE symptoms including fatigue and joint pain and improves patient quality of life. However, most individuals with SLE are not sufficiently active to achieve these benefits, and guidance on the optimal approach to exercise is limited. EXCEL will examine the feasibility of conducting a large-scale randomised controlled trial comparing the effects of a remotely monitored, home-based, exercise programme with standard of care for individuals with SLE.Methods and analysis30 females with SLE will be recruited, and those randomised into Exercise (SLE-Ex) will codesign a progressive training plan with support from the research team. The aim of each 12-week plan will be to complete 150 min of moderate (60–70% heart rate max, HRmax) or 90 min of vigorous exercise (>70% HRmax) per week. SLE-Ex will be encouraged to exercise independently (without support) from weeks 13–18. Participants with SLE that are randomised into Control (SLE-Con) will maintain habitual activity without support for 18 weeks. Measures of feasibility and acceptability will be reported, and peripheral blood will be collected at weeks 0, 12 and 18 to explore whether the frequency, phenotype and metabolic profile of lymphocyte subsets has changed. Biomarkers of SLE activity, and self-reported measures of fatigue, sleep quality and health-related quality of life will also be monitored at these timepoints. Blood and self-reported measures will be compared with a healthy control (HC) group (n=15, age and body mass index matched) at baseline only.Ethics and disseminationA favourable ethical opinion was given by South East Scotland Research Ethics Committee (22/SS/0082). Findings will be disseminated at conferences and published in peer-reviewed journals.Trial registration numberISRCTN72757645.

In this single-blind trial, 162 women with systemic lupus erythematosus were randomly assigned to combined oral contraceptives, a progestin-only pill, or a copper intrauterine device. There were no significant differences in global or maximum disease activity, incidence or probability of flares, or medication use, irrespective of the type of contraceptive used. In 162 women with systemic lupus erythematosus, there were no significant differences in disease activity, incidence or probability of flares, or medication use, irrespective of the type of contraceptive used. Systemic lupus erythematosus is an autoimmune disease primarily affecting young women. 1 , 2 Several studies have demonstrated the involvement of sex hormones in systemic lupus erythematosus. 3 – 13 Overall, the data suggest that estrogens favor the development or exacerbation of the disease, whereas androgens seem to be protective. Because disease activity during pregnancy is generally high in women who conceived when they had active lupus, and the outcome for the fetuses of these women is worse, pregnancy should be planned to begin during a period of disease quiescence. 14 , 15 Recommending a contraceptive method to women with systemic lupus erythematosus is difficult. Because . . .

ObjectiveTo assess the effect of upper limb exercise on hand function, daily activities performance and quality of life of patients with systemic lupus erythematosus (SLE).MethodsWe performed a pilot randomised, 24-week follow-up, unmasked controlled trial. Inclusion criteria were upper limb arthralgias, a Disabilities of Arm, Shoulder and Hand (DASH) questionnaire score >10 and a stable treatment over the past 3 months. Patients were randomly allocated in the routine care (control) or exercise group that received an individually tailored 30-min daily upper-limb exercise programme by a hand therapist for 12 weeks. We evaluated at 0, 6, 12 and 24 weeks the performance of daily activities for both groups with DASH questionnaire and Health Assessment Questionnaire (HAQ), the grip and pinch strength with Jamar dynamometer and pinch gauge tool, respectively, the dexterity with Purdue pegboard test, the quality of life with Lupus Quality of Life (LupusQoL) Questionnaire and the pain level by Visual Analogue Scale (VAS) score.ResultsFrom 293 consecutive SLE patients, data from 32 patients allocated to the exercise group and 30 to the control group were analysed. There was a significant difference between the two groups in percentage changes of DASH, HAQ, grip strength, pinch strength, LupusQoL-physical health and fatigue, and VAS scores from baseline to 6, 12 and 24 weeks, and from baseline to 12 weeks for dexterity test (p<0.001). No interaction was observed between exercise and disease activity or medication use at baseline and during the observation period.ConclusionUpper-limb exercise significantly improves hand function, pain, daily activity performance and quality of life in SLE.Trial registration numberNCT03802578.

Background: Patients with systemic lupus erythematosus (SLE) may require prolonged periods of corticosteroid therapy which lead to excessive weight gain and increased cardiovascular risk. Objective: To assess the utility of a low glycaemic index diet in patients with corticosteroid dependent SLE in achieving weight loss and improving glycaemic control. Design: A total of 23 women were enrolled in a 6 week study. All had mild, stable SLE, were receiving corticosteroids and had a body mass index > 25 kg/m2. Subjects were randomly assigned to a low glycaemic index (Low GI) diet or a calorie restricted (Low Cal) diet. The primary end point was weight loss. Secondary end points included tolerability of diet, bio-markers of cardiovascular risk, disease activity, fatigue and sleep quality. Results: Weight loss in both treatment groups was significant (mean ± SD: Low GI diet 3.9 ± 0.9 kg; Low Cal diet 2.4 ± 2.2 kg, p < 0.01 from baseline in each group). There were also significant improvements in waist and hip measurements. However, the difference in weight loss and waist and hip measurements between the two diet groups was not statistically significant. There was a statistically significant reduction in Fatigue Severity Scale in both diet groups, (p < 0.03). Both Low GI and Low Cal diets were well tolerated, resulting in no serious adverse effects or increase in disease activity. Conclusion: Significant weight loss is achievable over 6 weeks in a diet-specific trial in subjects with stable SLE, who are on low dose prednisolone. Both diets were equally tolerable, and did not cause flares in disease activity. Our results suggest that dietary manipulation may significantly improve fatigue in subjects with SLE.

Accelerated atherosclerosis remains a major cause of death in late systemic lupus erythematosus (SLE). Omega-3 has been reported to have benefit for endothelial dysfunction, one of the earliest stages of atherosclerosis, and to reduce disease activity in SLE. We performed a randomized, double-blind placebo-controlled trial to examine the effect of Omega-3 on endothelial function, disease activity, inflammatory markers and lipids in SLE. SLE patients ( n  = 85, mean age 47, 55 % Caucasian, 38 % African-American, 94 % female) were randomly assigned to 3 g of Omega-3 (Lovaza, GSK) versus placebo for 12 weeks. Endothelial function was measured at baseline and at 12 weeks using flow-mediated dilation, calculated using high-resolution B-mode ultrasound of the brachial artery diameter in response to vasoactive stimuli (hyperemia). Disease activity was measured using the physician global assessment and SELENA-SLEDAI score. Inflammatory markers (sICAM-1, sVCAM-1, IL-6) and fasting lipid profile were done at baseline and 12-week follow-up. There was no difference between the treatment groups with respect to changes in flow-mediated dilation parameters or disease activity. An average increase in LDL cholesterol of 3.11 mg/dL (±21.99) was found with Omega-3 versus a decrease of 1.87 mg/dL (±18.29) with placebo ( p  = 0.0266). In this trial, Omega-3 did not improve endothelial function, disease activity, nor reduce inflammatory markers in SLE. Longer trials might be required if there are delayed clinical effects. There was evidence that Omega-3 may increase LDL cholesterol, but not the LDL/HDL ratio.