Rheumatoid arthritis is a chronic inflammatory disease, and interstitial lung disease is one of the important extra-articular manifestations. There is limited evidence comparing abatacept (ABA) and tumor necrosis factor inhibitors (TNFi) regarding the risk of mortality among patients with rheumatoid arthritis associated interstitial lung disease (RA-ILD). The aim of this study is to investigate the risk of mortality in patients with RA-ILD treated with ABA compared to TNFi. This retrospective cohort study utilized TriNetX electronic health record database. We enrolled patients who were diagnosed with RA-ILD and had received a new prescription for either ABA or TNFi. Patients were categorized into two cohorts based on their initial prescription. The primary outcome was all-cause mortality, and secondary outcomes were healthcare utilizations, including hospitalization, critical care services, and mechanical ventilation. Subgroup analyses were performed on age, presence of anti-citrullinated peptide antibodies (ACPA), and cardiovascular risk. Among 34,388 RA-ILD patients, 895 were selected for each group (ABA and TNFi) following propensity score matching. The ABA group exhibited a higher all-cause mortality risk. (HR 1.296, 95% CI 1.006-1.671). Subgroup analysis showed a heightened risk of receiving mechanical ventilation in ABA-treated patients aged 18-64 years old (HR 1.853, 95% CI 1.002-3.426), and those with cardiovascular risk factors (HR 2.015, 95% CI 1.118-3.630). Another subgroup analysis indicated a higher risk of mortality among ABA-treated patients with positive-ACPA. (HR 4.138 95% CI 1.343-12.75). This real-world data research demonstrated a higher risk of all-cause mortality in RA-ILD patients treated with ABA compared to TNFi, particularly those aged 18-64 years, lacking cardiovascular risk factors, and positive-ACPA. ABA was associated with an increased risk of mechanical ventilation in patients aged 18-64 years and those with cardiovascular risk factors.

BACKGROUND: There have been concerns about the use of tumor necrosis factor inhibitors (TNFi) for autoimmune disease in patients with recently diagnosed cancer. We assessed the survival of patients with rheumatoid arthritis (RA) and newly diagnosed early breast cancer (BC) treated with TNFi in the first two years after BC diagnosis.
METHODS: We identified patients in two datasets: (1) Optum\'s de-identified Clinformatics® Data Mart Database (CDM), (2) Surveillance, Epidemiology, and End Results program (SEER) and Texas Cancer Registry (TCR) Medicare-linked cohort. We grouped patients according to whether they received TNFi, conventional synthetic disease-modifying antirheumatic drugs (csDMARDs) only, or no DMARDs within 2 years after BC. Outcomes were overall survival (OS) and BC-specific survival (BCSS). We conducted landmark analyses at years 1 and 2, with multivariable Cox regressions using propensity scores for adjustment.
RESULTS: In the first year after BC, 165/970 (17.0%) and 201/1246 (16.1%) patients received TNFi in CDM and SEER/TCR-Medicare respectively. In the 1 year landmark, no significant differences in OS were observed between patients treated with TNFi and patients treated with csDMARDs only in CDM (hazard ratio [HR] = 0.77, 95% confidence interval [CI] 0.42-1.40) or SEER/TCR-Medicare (HR = 0.84, 95% CI 0.54-1.31). BCSS (SEER/TCR-Medicare) was better in patients receiving TNFi than in those receiving csDMARDs only (HR = 0.28, 95% CI 0.08-0.98). In CDM, glucocorticoid therapy had worse OS than those without glucocorticoids (HR = 2.18, 95% CI 1.13-4.18). This was also observed in SEER/TCR-Medicare (not statistically significant). Similar results were observed for the 2 year landmark.
CONCLUSIONS: TNFi treatment during the first two years after early BC was not associated with worse survival.

OBJECTIVE: To present the main findings of a post-authorization safety study assessing pregnancy and infant outcomes after prenatal golimumab exposure in a real-world setting.
METHODS: This observational population-based cohort study included data from pregnancies ending in 2006-2018 (Finland) or 2019 (Denmark, Sweden). Infants born to women with rheumatic diseases or ulcerative colitis diagnoses were identified. Based on prescription fills from 90 days prior to pregnancy until delivery, infants were assigned to one of the four drug-exposure cohorts: golimumab, other anti-TNF biologics, other biologics, and nonbiologic systemic therapy, and the general population. Prevalence of adverse pregnancy outcomes, mortality, diagnoses of major congenital anomalies (MCA), and inpatient infections in the infants\' first year of life were assessed. Odds ratios and 95% CIs were calculated for MCA and infection.
RESULTS: Among 134 infants in the golimumab cohort, none were stillborn or died in the first year of life. MCA were diagnosed in 4.5% of the infants in the golimumab cohort, versus 6.8%, 10.9%, 5.5%, and 4.6% in the other anti-TNF biologics, other biologics, nonbiologic systemic therapy and general population cohorts, respectively. Inpatient infections were diagnosed in 11% of golimumab-exposed infants, compared with 9%-11% of infants in the other cohorts. Unadjusted and selected adjusted comparisons showed no association between prenatal golimumab exposure and MCA or infection compared with the other exposure cohorts or general population.
CONCLUSIONS: The number of infants with prenatal golimumab exposure was low, but results are reassuringly consistent with the evidence available for other anti-TNF biologics. Continued monitoring is needed.

Rheumatoid arthritis (RA) is a multifactorial autoimmune inflammatory disease that mainly affects the joints, on reducing functional capacity and impacting quality of life. Cytokines such as tumor necrosis factor (TNF) and interleukin 6 (IL-6) are crucial in the pathogenesis and treatment of this disease. Some patients using TNF inhibitors (TNFi) do not respond or lose their response to these medications. Clinical, sociodemographic, and genetic data were used to evaluate the associations of single nucleotide polymorphisms (SNP) in TNF, TNFRSF1A, and TNFRSF1B genes with the diagnosis of RA, standardized score results, laboratory tests, and response to TNFi. In one subsample, TNF and IL-6 serum levels cytokines were performed. A total of 654 subjects (360 healthy controls and 294 diagnosed with RA) were included in the analysis. Higher levels of TNF have been found in individuals diagnosed with RA. IL-6 levels were higher in individuals who did not respond to TNFi treatment, while responders had levels comparable to those without the disease. No associations were found between the SNPs studied and the diagnosis of RA; however, rs767455-C seems to play a role in the response to golimumab treatment, being related to better therapeutic response and lower mean serum leukocyte levels. In addition, rs1061622-G was associated with poorer functional capacity and rs1800629-A was associated with higher leukocyte values and serum transaminase levels. The rs1061622-G and rs767455-C may play a role in the response to TNFi treatment, especially for patients using golimumab, although they do not seem to be associated with the diagnosis of RA. Polymosphisms in the TNF pathway may impact baseline levels of immune cells and markers of renal and hepatic function in RA patients. Our results highlight the importance of evaluating the impact of these polymorphisms on TNFi response and safety, particularly in larger-scale studies.

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Objective: To compare the risk of infection in inflammatory arthritis patients treated with tumor necrosis factor (TNF) inhibitors. Methods: PubMed, Embase, and the Cochrane Library were systematically searched from inception to 28 December 2023 for randomized controlled trials (RCTs) assessing TNF inhibitors and reporting infections. Subsequently, pairwise and network meta-analyses were conducted to determine odds ratios (ORs) and the corresponding 95% confidence intervals (CIs). Results: A total of 61 RCTs involving 20,458 patients were included. Pairwise meta-analysis revealed that certolizumab pegol was significantly associated with an increased risk of serious infection compared to placebo (OR:2.28, 95% CI: 1.13-4.62). Both adalimumab and certolizumab pegol were also significantly associated with an increased risk of any infection compared to placebo (OR:1.18, 95% CI: 1.06 to 1.30 and OR:1.40, 95% CI: 1.11 to 1.76, respectively). Moreover, a network meta-analysis indicated that certolizumab pegol and infliximab were associated with a higher risk of serious infection compared to other TNF inhibitors. In the cumulative ranking of any infection risk, certolizumab pegol had the highest risk compared with others. TNF inhibitors increased the risk of tuberculosis but not that of herpes zoster. Conclusion: Available evidence indicates etanercept and golimumab are likely associated with a lower risk of infection compared to other TNF inhibitors in inflammatory arthritis. For patients at a heightened risk of infection, prioritizing the use of etanercept and golimumab may be advisable to minimize patient risk. Systematic Review Registration: identifier CRD42022316577.

BACKGROUND: In ORAL Surveillance, incidence rates (IRs) of major adverse cardiovascular events (MACE) and malignancies (excluding non-melanoma skin cancer [NMSC]) in cardiovascular (CV)-risk-enriched patients with rheumatoid arthritis (RA) were numerically greater with tofacitinib in North America versus the rest of the world, due to underlying risk factors. Here, we evaluated the safety and efficacy of tofacitinib versus tumor necrosis factor inhibitors (TNFi) among patients with RA across geographical regions.
METHODS: Patients with RA in ORAL Surveillance (NCT02092467), who were aged ≥ 50 years with ≥ 1 additional CV risk factor, received tofacitinib 5 or 10 mg twice daily or TNFi; 45.9% were from either Poland or North America. This post hoc analysis stratified patients by region (Poland, North America, Other countries). Efficacy endpoints included Clinical Disease Activity Index, Disease Activity Score in 28 joints, with C-reactive protein (DAS28-4[CRP]), and Health Assessment Questionnaire-Disability Index (HAQ-DI). IRs and hazard ratios for adverse events were reported.
RESULTS: Of 4362 patients (Poland, N = 759; North America, N = 1243; Other countries, N = 2360), more patients from North America versus Poland/Other countries had CV risk factors such as body mass index ≥ 30 kg/m2 and history of diabetes/hypertension; however, more patients from Poland versus other regions were ever smokers and more patients from Poland/North America versus Other countries had history of coronary artery disease. MACE IRs were similar in North America and Poland, and numerically higher versus Other countries. IRs for malignancies (excluding NMSC) were numerically higher in North America versus Poland/Other countries with tofacitinib. Serious infections IRs were numerically higher in North America versus Poland across treatments. Venous thromboembolism/all-cause mortality IRs were generally comparable across regions. DAS28-4(CRP)/HAQ-DI improvements were generally lowest in North America.
CONCLUSIONS: Differences in safety outcomes were driven by the presence of baseline risk factors; North America and Poland demonstrated a higher proportion of patients with some baseline CV risk factors/comorbidities versus Other countries.
BACKGROUND: NCT02092467 (ClinicalTrials.gov).

OBJECTIVE: To investigate the impact of glucocorticoids (GCs) and anti-rheumatic drugs on the lymphocyte activation gene-3 (LAG-3) and on programmed cell death-1 (PD-1) expression on synovial and peripheral cells ex-vivo.
METHODS: Synovial fluid mononuclear cells (SFMCs) from psoriatic arthritis (PsA, n = 26) and rheumatoid arthritis (RA, n = 13) patients, SFCs from osteoarthritis (OA, n = 5) patients and peripheral blood mononuclear cells (PBMCs) of healthy donors (n = 14) were co-cultured with GCs, glucocorticoid receptor antagonist RU486, methotrexate (MTX) and biologics. LAG-3 and PD-1 expressions on immune subsets were analyzed by flow cytometry.
RESULTS: GCs in PsA inhibited SFMCs growth vs medium (2.3 ± 0.4X105  vs 5.3 ± 0.7X105, respectively, p < 0.01) and markedly upregulated CD14+LAG-3+ cells (11.7 ± 2.4% vs 0.8 ± 0.3%, p < 0.0001, respectively), but not CD3+LAG-3+ and CD14+PD-1+ cells. MTX had no effect on CD14+LAG-3+ cells (0.7 ± 0.3%). The TNFi inhibitors, infliximab (IFX) and etanercept, but not IL-12/23i, upregulated CD14+LAG-3+ cells vs medium (2.0 ± 0.6% and 1.6 ± 0.4% vs 0.5 ± 0.1%, p < 0.03, respectively). SFMCs growth inhibition in both PsA and RA correlated with CD14+LAG-3+ cell upregulation (r = 0.53, p = 0.03). RU486 inhibited GC-induced CD14+LAG-3+ cell up-regulation in a dose-dependent manner compared with GC alone (5µM 5.3 ± 1.2% and 50µM 1.3 ± 0.5% vs 7.0 ± 1.4%, p < 0.003), but had no significant effect on CD14+LAG-3+ cells co-cultured with IFX. GCs in healthy donors\' PBMCs upregulated the immune subsets CD3+LAG-3+, CD14+LAG-3+ and CD14+PD-1+ cells.
CONCLUSIONS: This study proposes a novel regulatory mechanism of GCs and of TNFi mediated by LAG-3 upregulation in synovial monocytes and PBMCs. LAG-3 modulation may be a promising target for development of novel therapies for inflammatory arthritis.

OBJECTIVE: Primary chronic Non-Bacterial Osteomyelitis of the jaw is a rare auto-inflammatory disease of unknown aetiology that bears pathophysiological resemblance to both the synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome in adults and chronic recurrent multifocal osteomyelitis (CRMO) in children. Both SAPHO and CRMO respond to TNF-alpha blockade. Previously reported treatment regimens in CNOM including non-steroidal anti-inflammatory drugs, corticosteroids, antibiotics, anti-resorptive therapy, and surgery all bear disappointing results. TNF- α blockade is suggested as a treatment option by some experts but this is not backed by any clinical data.We sought to retrospectively and exhaustively report our experience of anti-TNF alpha therapy in refractory CNOM.
METHODS: Fifteen patients with refractory CNOM and high disease burden were referred to our centre. TNF- α blockade was attempted in 10 cases, given its efficacy in neighbouring diseases, its good tolerance profile and failure of previous treatment strategiesWe herein retrospectively report detailed outcomes for all patients having received anti-TNF alpha therapy for this indication in our centre.
RESULTS: TNF-α-targeting therapy resulted in a rapid and sustained remission in a majority of patients with CNOM, without serious adverse events. Treatment was tapered and stopped without relapse in some patients despite a refractory course of several years. Male sex seems to be associated with a poorer outcome.
CONCLUSIONS: Our results suggest that blocking TNF-α is efficient and safe in CNOM.

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