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Objectives: The efficacy of anti-IL-6 receptors such as tocilizumab (TCZ) was demonstrated in patients with PMR in two recent randomized controlled trials. The objective of this multicentre retrospective study was to assess the efficacy of TCZ in PMR patients requiring glucocorticoid (GC)-sparing treatment, as well as different strategies for TCZ withdrawal., Methods: We conducted a multicentre study in French tertiary healthcare departments for patients with PMR. PMR patients receiving off-label TCZ between 2015 and 2022 were included. The primary endpoint was the proportion of patients tapering to GCs ≤5 mg/day 6 months after the first TCZ infusion. The secondary endpoints were the proportion in whom GC was discontinued during follow-up, and the proportion of patients in whom TCZ was discontinued., Results: Fifty-three PMR patients were included. Thirty-one patients suffered from active PMR despite conventional synthetic DMARDs. GCs were ≤5 mg/day in 77% of the patients (95% CI 36-89) at 6 months, and in 97% of the patients at 12 months. Six and 12 months after the first TCZ infusion, the proportions of GC-free patients were 22.5% (95% CI 12.7-37.8) and 58.3% (95% CI 43.2-74.1), respectively. Among TCZ withdrawal strategies, TCZ infusion spacing and TCZ dose reduction were more successful (success in 87% and 79% of attempts, respectively) than TCZ discontinuation (success in 52% of attempts; P = 0.012 and P = 0.039, respectively)., Conclusion: In GC-dependent PMR patients, treatment with TCZ led to a drastic decrease in GC dose and remission of PMR. TCZ dose reduction or TCZ infusion spacing are good options to consider in TCZ withdrawal., (© The Author(s) 2023. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Objective: To investigate whether serum Col 3-4, a new biochemical marker of synovial tissue turnover, was associated with progression of joint damage in patients with early arthritis., Methods: A total of 788 early arthritis patients (<6 months of symptoms, 82% diagnosis of RA, 18% undifferentiated arthritis) from the prospective ESPOIR study were investigated. Progression was defined as an increase of 1 or 5 unit(s) in radiographic van der Heijde modified Sharp score between baseline and 1 or 5 years, respectively. Associations between baseline Col 3-4 and progression were assessed by logistic regression., Results: Each standard deviation increase of baseline Col 3-4 levels was associated with an increased 5-yr total damage progression with an odds ratio (OR, 95% CI) of 1.51 (1.21, 1.88), which remained significant when DAS28, C-reactive protein and anti-citrullinated protein antibodies positivity were included in the model [OR (95% CI): 1.34 (1.01, 1.76)]. Further adjustment for bone erosion did not modify the association. Patients with both Col 3-4 in the highest quintile and bone erosion had a >2-fold higher risk of progression [OR (95% CI): 7.16 (2.31, 22)] than patients with either high Col 3-4 [2.91 (1.79, 4.73)] or bone erosion [2.36 (2.38, 3.70)] alone. Similar associations were observed for prediction of 12 months progression., Conclusions: Increased serum Col 3-4 is associated with a higher risk of structural progression, independently of major risk factors. Col 3-4 may be useful in association with bone erosion to identify patients with early arthritis at higher risk., (© The Author(s) 2023. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Objective: To determine whether socio-demographic factors are associated with heterogeneity in pain evolution in inflammatory rheumatic diseases (IRDs) after accounting for disease-specific characteristics in a system with universal health care., Methods: This analysis included the data from two prospective observational cohorts of early IRDs (ESPOIR for early RA and DESIR for early SpA). Data on pain was measured, respectively, on 13 and 9 occasions spanning 10 and 6 years of follow-up using the Short-Form 36 bodily pain score for 810 participants of ESPOIR, and 679 participants of DESIR. Linear mixed models were used to characterize differences in pain evolution as a function of age (tertiles), sex, ethnicity, education, marital, and professional status, after accounting for disease-related, treatment, lifestyle, and health factors., Results: While transitioning from early (disease duration ≤6 months for RA and ≤3 years for SpA) to long-standing disease, differences in pain evolution emerged as a function of age (P < 0.001), sex (P = 0.050), and ethnicity (P = 0.001) in RA, and as a function of age (P = 0.048) in SpA; younger age, males, and Caucasians exhibited lower pain in the latter phases of both diseases. Highly educated participants (RA, β = -3.8, P = 0.007; SpA, β = -6.0, P < 0.001) for both diseases, and Caucasians (β = -5.6, P = 0.021) for SpA presented with low pain early in the disease, with no changes throughout disease course., Conclusion: Being older, female, non-Caucasian and having lower education was found to be associated with worse pain in early and/or long-standing IRDs, despite universally accessible health-care. Early identification of at-risk populations and implementation of multidisciplinary strategies may reduce patient-reported health outcome disparities., Trial Registration Registrations: ESPOIR: ClinicalTrials.gov, www.clinicaltrials.gov, NCT03666091. DESIR: ClinicalTrials.gov, www.clinicaltrials.gov, NCT01648907., (© The Author(s) 2021. Published by Oxford University Press on behalf of the British Society for Rheumatology.)

Objective: To study the profile of type-2 diabetes (T2D) in patients with RA or OA., Methods: This observational, multicentre, cross-sectional study included, over a 24-month period, consecutive patients with adult-onset diabetes and RA or OA. We collected demographics, disease activity and severity indices, current treatments for RA and diabetes, history and complications of diabetes. A systematic blood test was performed, assessing inflammatory, immunological and metabolic parameters. The homoeostasis model assessment (HOMA)2-S was used to assess insulin resistance., Results: We included 167 patients with T2D, 118 with RA and 49 with OA. RA and OA patients had severe T2D with suboptimal metabolic control and a biological profile of insulin resistance. Insulin resistance was significantly higher in RA than in OA patients after stratification on age, BMI and CS use [HOMA2-S: 63.5 (35.6) vs 98.4 (69.2), P < 0.001]. HOMA2-S was independently associated with DAS28 [odds ratio (OR): 4.46, 95% CI: 1.17, 17.08]. T2D metabolic control was not related to disease activity and functional impairment, but HbA1c levels were independently associated with bone erosions (OR: 4.43, 95% CI: 1.18, 16.61). Treatment with low-dose CSs was not associated with decreased insulin sensitivity or increased HbA1c levels. Treatment with TNF-α inhibitors was associated with increased insulin sensitivity compared with patients not receiving biologics [101.3 (58.71) vs 60.0 (32.5), P = 0.001]., Conclusion: RA patients display severe T2D with inflammation-associated insulin resistance. These findings may have therapeutic implications, with the potential targeting of insulin resistance through the treatment of joint and systemic inflammation., (© The Author(s) 2021. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Objectives: To evaluate the characteristics of patients (pts) with PsA treated by ustekinumab (UST) or secukinumab (SEK) and to compare real-world persistence of UST and SEK in PsA., Methods: In this retrospective, national, multicentre cohort study, pts with PsA (CASPAR criteria or diagnosis confirmed by the rheumatologist) initiating UST or SEK with a follow-up ≥6 months were included from January 2011 to April 2019. The persistence between SEK and UST was assessed after considering the potential confounding factors by using pre-specified propensity-score methods. Causes of discontinuation and tolerance were also collected., Results: A total of 406 pts were included: 245 with UST and 161 with SEK. The persistence rate was lower in the UST group compared with the SEK group [median persistence 9.4 vs 14.7 months; 26.4% vs 38.0% at 2 years; weighted hazard ratio (HR) = 1.42; 95% CI: 1.07, 1.92; P =0.015]. In subgroup analysis, the persistence rate of SEK associated with MTX was significantly higher than that of UST associated with MTX: HR = 2.20; 95% CI: 1.30, 3.51; P =0.001, in contrast to SEK vs UST monotherapy: HR = 1.06; 95% CI: 0.74, 1.53; P =0.75. Discontinuation due to inefficacy was reported in 91.7% (SEK) and 82.4% (UST) of pts. Discontinuation due to an adverse event was reported in 12.2% (SEK) and 7.7% (UST) of pts., Conclusion: In this first study comparing UST and SEK, the persistence of SEK was higher than that of UST in PsA. In subgroup analysis, this difference was only found in association with MTX., (© The Author(s) 2020. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For permissions, please email: journals.permissions@oup.com.)

Objective: To investigate maintenance of rituximab (RTX) in RA patients re-treated with reduced doses compared with standard dose in a real life setting., Methods: The Autoimmunity and Rituximab (AIR) registry is a nationwide prospective observational cohort investigating the long-term safety and efficacy of RTX in RA. The present study included patients from the AIR registry that have been re-treated with RTX after a first course of RTX standard dose (1000 mg × 2). Two groups were defined according to dose of RTX of the first retreatment course (i.e. second course): standard dose group and reduced dose group. Five years' maintenance and rate of serious infections of the retreatment period were compared between standard dose and reduced dose groups. Analyses used the inverse probability of treatment weighting propensity score adjusted method., Results: Among the 1986 patients from the AIR registry, 1278 were included, 1093 (85.5%) treated with standard dose and 185 (14.5%) with reduced doses. Maintenance of RTX at 5 years in the standard and reduced groups was 55.5 and 53.8%, respectively, and did not significantly differ between groups in adjusted analyses (hazard ratio = 1.03; 95% CI: 0.81, 1.30), but the cumulative RTX dose received for retreatment [1.4 (0.6) vs 2.3 (1.0) g/year, P < 0.001] and the rate of serious infections were significantly lower in the reduced dose group (adjusted hazard ratio = 0.50; 95% CI: 0.27, 0.92; P = 0.02)., Conclusion: Use of reduced doses of RTX for retreatment did not alter the maintenance of RTX at 5 years in RA patients, but allowed a 39% total dose reduction and a lower rate of serious infections., (© The Author 2017. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For Permissions, please email: journals.permissions@oup.com)

Objective: To investigate the frequency and risk factors of postoperative complications in RA patients treated with abatacept (ABA)., Methods: The Orencia RA registry recruited 1012 patients receiving ABA for RA in routine care. Data from patients treated with ABA who underwent surgery were reviewed to describe the frequency of postoperative complications. Characteristics of patients and surgeries with and without complications were compared to identify factors associated with complications., Results: We identified 205 (20.3%) patients who underwent 263 surgeries, including 176 (66.9%) orthopaedic surgeries. Nineteen (7.2%) surgeries, in 19 patients (9.3%), entailed complications, including 7 delayed wound healing (2.7% of surgeries) and 6 surgical site infections (2.3% of surgeries). The median time between the last infusion of ABA and surgery was 5.9 weeks (range: 0.3-12.0 weeks), with no significant difference between patients with and without complications. The median corticosteroids daily dosage was higher in the group with complications [10.0 (6.25-15.0) vs 6.0 (5.0-10.0) mg/day, P = 0.042]. In multivariate analysis, only the duration of ABA treatment was significantly associated with postoperative complications [adjusted odds ratio (aOR) = 0.94 (95% CI: 0.89, 0.99) for each month of treatment], as were orthopaedic surgeries compared with other kinds of surgery [aOR = 4.45 (95% CI: 1.01, 20.2)]., Conclusion: In RA patients treated with ABA, the rate of surgical complications was low: 7.2% and higher in case of orthopaedic procedure and a more recent initiation of ABA. The median time between surgery and the last infusion of ABA was short and did not influence the rate of postoperative complications., (© The Author 2017. Published by Oxford University Press on behalf of the British Society for Rheumatology. All rights reserved. For Permissions, please email: journals.permissions@oup.com)

Objectives: To assess the effect of biotherapies vs placebo on fatigue in two situations: inadequate response to conventional treatments (IR-DMARD) and inadequate response to anti-TNF (IR-anti-TNF) in RA., Methods: A systematic review of the literature and meta-analysis were performed. We included randomized controlled trials (RCTs) assessing the effect of biotherapies vs placebo on fatigue, in combination with DMARDs. Fatigue was measured using the functional assessment of chronic illness therapy-fatigue (FACIT-F) or short-form 36 (SF-36) vitality scores at baseline and at Week 24. The results were in effect size (ES) for each biotherapy (or class of biotherapy) vs placebo. An ES of <0.5 was considered as small, between 0.5 and 0.8 as moderate and >0.8 as important., Results: From the 763 published studies, 10 RCTs were included in the analysis: seven involved IR-DMARD RA and three IR-anti-TNF. Among the 3837 included patients with established RA, 1227 patients were treated with an anti-TNF, 420 with rituximab, 258 with abatacept, 205 with tocilizumab and 1727 received placebo. The overall ESs of all biotherapies vs placebo on fatigue were small (ES = 0.45; 95% CI 0.31, 0.58) as well as for anti-TNFs (ES = 0.36; 95% CI 0.21, 0.51). The ESs were small in IR-DMARD RA (ES = 0.38; 95% CI 0.30, 0.46), similar between anti-TNF and non-anti-TNF agents and moderate in IR-anti-TNF RA (ES = 0.57; 95% CI 0.27, 0.86)., Conclusion: Few studies reported the impact of biotherapies on fatigue. The effect of biotherapies on fatigue in RA is small.

Objectives: Inhibitor of differentiation 3 (Id3)-deficient mice show sicca symptoms, lymphocyte infiltration of exocrine glands and positive anti-Ro/SSA and anti-La/SSB antibodies, all hallmarks of primary Sjögren's syndrome (pSS). The impairment of Id3 in T cells and, possibly, in salivary glandular epithelial cells (SGECs) seems to be involved. This animal model prompted us to investigate the role of Id3 in human pSS., Methods: Quantitative Id3 expression in peripheral T cells, cultured SGECs and in total minor salivary glands was assessed by RT-PCR in pSS patients and controls. After Id3 sequencing, we investigated two single nucleotide polymorphisms (SNPs) (c.313G>A and g.-156A>G) in a case-control study of 212 Caucasian pSS patients and 168 controls., Results: Quantitative Id3 expression was not decreased in pSS patients nor in SGECs, in T cells or in minor salivary glands. As well, patients and controls did not differ in allele and genotype frequencies of Id3 SNPs (P = 0.67 and P = 0.71 for the c.313G>A and the g.-156A>G, respectively). Neither SNP was associated with a pattern of autoantibody secretion., Conclusion: Although the Id3-deficient mouse model represents an attractive model for human pSS, Id3 expression is not impaired in SGECs, peripheral T cells and in labial salivary glands in pSS patients and Id3-relevant SNPs do not give evidence of genetic predisposition in Caucasian pSS patients.