Associations of Socioeconomic Status with Rheumatoid Arthritis (RA) Progression in African Americans with Early Disease
Rebecca Cleveland, Emma Astrike-Davis, Beth Jonas 1 and Leigh Callahan et. al.

Nov 13th, 2019 - Background/Purpose: In prior cross-sectional analyses of African Americans (AA) with RA, we observed that low education, income and home ownership were associated with clinical damage and patient reported outcomes (PROs) among those with mean disease duration of 7.8 years. However, when restricted to those with disease duration of < 2 years, associations with PROs remained, but were no longer o...

Advances in Treatment of Rheumatoid Arthritis: ACPA-positive Patients Benefited More Than ACPA-negative Patients; 25 Year Results of a Longitudinal Cohort Study
Xanthe ME Matthijssen, Ellis Niemantsverdriet, Thomas Huizinga 2 and Annette van der Helm-van Mil et. al.

Nov 13th, 2019 - Background/Purpose: The last 25 years, treatment of rheumatoid arthritis (RA) has changed considerably. Although clinically relevant joint damage has become infrequent, it is less established to what extent other long-term outcomes have improved. Moreover, anti-citrullinated anti-bodies (ACPA)-positive and ACPA-negative disease subsets were discovered and it is unknown they have benefited equal...

A Randomised, Open Labelled Clinical Trial to Investigate Synovial Mechanisms Determining Response – Resistance to Rituximab versus Tocilizumab in Rheumatoid Arthritis Patients Failing TNF Inhibito...
Frances humby, Maya H. Buch, Patrick Durez et. al.

Nov 13th, 2019 - Background/Purpose: Although biologic therapies have transformed the outlook for rheumatoid arthritis (RA), the lack of a major treatment response in over 50% of patients, the potential side effects and the high cost of these drugs have highlighted the need to define predictive markers of response and to stratify patients according to therapeutic outcome. B-cells are pivotal to RA pathogenesis,...

Comparison of Malignancy and Mortality Rates Between Tofacitinib and Biologic DMARDs in Clinical Practice: Five-Year Results from a US-Based Rheumatoid Arthritis Registry
Joel Kremer, Clifton Bingham, Laura Cappelli et. al.

Nov 13th, 2019 - Background/Purpose: Real-world evidence (RWE) is key to understanding post-approval long-term safety of medications. Tofacitinib is an oral Janus kinase inhibitor for the treatment of RA. A prospective observational 5-year study, embedded within the US Corrona RA registry, was initiated to evaluate the safety of tofacitinib after US Food and Drug Administration approval on Nov 6, 2012. The obje...

Citrulline Reactive B Cells Are Present in the Lungs of Early Untreated RA
Vijay Joshua, Malena Loberg-Haarhaus, Heidi Wähämaa et. al.

Nov 13th, 2019 - Background/Purpose: Structural changes, increased tissue citrullination, signs of local inflammation and anti-citrullinated protein autoantibodies (ACPA) are present in the pulmonary compartment of early untreated seropositive rheumatoid arthritis (RA). These findings provide evidence of a potential role for the lungs in generation and initiation of RA-associated autoimmunity. Here we aimed to ...

Clinical and Functional Outcomes Among Rheumatoid Arthritis Patients Switching Between JAK1-Selective Inhibitor Upadacitinib and Adalimumab Following Insufficient Response
Roy Fleischmann, Mark Genovese, Ricardo Blanco et. al.

Nov 13th, 2019 - Background/Purpose: The goal of RA treatment is to achieve clinical remission or, at minimum, low disease activity (LDA). Modification of initial csDMARD therapy with the addition of a biologic (b) DMARD, such as a tumor necrosis factor inhibitor (TNFi), or Janus Kinase inhibitor (JAKi) may be needed following an inadequate response (IR).1 Switches in mechanism of action have been advocated in ...

The Role of Bradykinin Receptor B1 and Its New Ligand Soluble CD13 in Rheumatoid Arthritis and Inflammatory Arthritis Mouse Model
Chenyang Lu, Phillip Campbell, Jonatan Hervoso et. al.

Nov 13th, 2019 - Background/Purpose: Rheumatoid arthritis (RA) is an inflammatory disorder characterized by synovial hyperplasia, inflammatory cell infiltration and pannus formation. We have shown that soluble CD13 (sCD13) induces angiogenesis, monocyte and lymphocyte chemotaxis and arthritis through G protein-coupled receptors (GPCRs). However, the receptor for sCD13 is not yet defined. Methods: A GPCR screeni...

Lung-Related Factors Are Associated with Transitions from Systemic Anti-CCP Antibody Positivity to Classified RA
Ashley Visser, Marie Feser, Chelsie Fleischer et. al.

Nov 13th, 2019 - Background/Purpose: Systemic autoimmunity associated with RA precedes the onset of inflammatory arthritis (IA) by several years. In particular, the presence of systemic anti-cyclic citrullinated peptide (CCP) antibody is a strong predictor of developing classified RA in the future. However, the mechanisms involved in the transition from systemic anti-CCP to IA classifiable as RA are unknown. Ou...

Persistence of B Cell-rich Synovitis Following Conventional Synthetic Disease Modifying Anti-Rheumatic Drug Treatment in Early Rheumatoid Arthritis Is Associated with Radiographic Progression Indep...
Felice Rivellese, Gloria Lliso-Ribera, Alessandra Nerviani et. al.

Nov 13th, 2019 - Background/Purpose: Synovial B cell aggregates in patients with early Rheumatoid Arthritis (RA) have been associated with disease severity and radiographic progression. Here, we analysed the presence of B cells and their association with clinical outcomes in matched synovial biopsies pre- and post- treatment with conventional synthetic Disease Modifying anti-Rheumatic Drug (scDMARDs). Methods: ...

Perturbation of the Human Gut Microbiome by Methotrexate Contributes to the Resolution of Inflammation and Autoimmune Disease
Renuka Nayak, Margaret Alexander, Kye Stapleton-Grey et. al.

Nov 13th, 2019 - Background/Purpose: The trillions of microorganisms (microbiota) found within the human gut play a critical role in shaping the immune system, yet these complex microbial communities are also highly sensitive to numerous environmental factors. While much of the focus to date has been on dietary intake, emerging data has begun to suggest that the use of pharmaceutical drugs, even those that are ...

The Effect of Rheumatoid Arthritis and Biologics on the Acquisition of Subsequent Diseases and Adverse Events: A Matched Longitudinal Population Study
Mark Tatangelo, George Tomlinson, Edward Keystone et. al.

Nov 13th, 2019 - Background/Purpose: The direct and indirect effects of rheumatoid arthritis (RA) are difficult to measure in observational studies because: (1) The inflammatory effects of RA are difficult to separate from underlying age-sex related risk of comorbid conditions (2) Long-term large sample follow-up of patients is expensive, arduous, and difficult to standardize (3) Limited methods for selecting a...

Risk of 30-day Readmission and Adverse Events After Primary Hip or Knee Arthroplasty: A Comparison of Patients with Rheumatoid Arthritis versus Osteoarthritis Using the Nationwide Readmission Database
Ali Yazdanyar, Anthony Donato, Kathleen McElwee et. al.

Nov 13th, 2019 - Background/Purpose: To assess the risk of 30-day readmission, mortality, and adverse events among adults with Rheumatoid Arthritis as compared to Osteoarthritis after primary hip or knee arthroplasty. Methods: We identified index hospitalizations with a principal procedure of primary HA or KA using a nationally representative U.S. sample, the Nationwide Readmission Database (2010-2013).  Exclud...

Effects of Filgotinib on Anemia, Thrombocytopenia and Leukopenia: Results from a Phase 3 Study in Patients with Active Rheumatoid Arthritis and Prior Inadequate Response or Intolerance to Biologica...
Mark Genovese, Kenneth Kalunian, Jacques-Eric Gottenberg et. al.

Nov 13th, 2019 - Background/Purpose: Anemia, thrombocytopenia and leukopenia in RA patients treated with non-Janus Kinase 1 (JAK1) selective inhibitors may be due to inhibition of hematopoietic growth factors signaling through JAK2. Therefore, we investigated the extent of anemia, thrombocytopenia and leukopenia in patients with active RA with a prior inadequate response/intolerance to biological DMARD (bDMARD)...

Efficacy and Safety of the Selective Interleukin-1 Receptor Associated Kinase 4 Inhibitor, PF-06650833, in Patients with Active Rheumatoid Arthritis and Inadequate Response to Methotrexate
Spencer I Danto, Negin Shojaee, Ravi Shankar P Singh et. al.

Nov 13th, 2019 - Background/Purpose: Adaptive and innate immune pathways are involved in inflammation and pathogenesis of rheumatoid arthritis (RA). Toll-like receptor (TLR) stimulation activates the innate immune system, and may be involved in the pro-inflammatory response to ACPA protein complexes found in severe RA.1 Interleukin (IL) receptor-associated kinase 4 (IRAK4) is a key signal transducer downstream ...

Remission in Patients with Rheumatoid Arthritis Receiving Triple Therapy Compared to Biological Therapy – A Swedish Nationwide Register Study
Hanna Källmark, Jon Einarsson, Jan-Åke Nilsson 3 and Meliha Kapetanovic et. al.

Nov 13th, 2019 - Background/Purpose: Current treatment guidelines for rheumatoid arthritis (RA) recommend a treat-to-target approach with early treatment initiation of disease-modifying antirheumatic drugs (DMARDs), most commonly methotrexate (MTX), and treatment escalation in case of insufficient response. In this scenario, similar efficacy of biological DMARDs (bDMARDs)  + MTX compared to conventional triple ...

Improving the Efficiency of Clinical Trial Recruitment Using Electronic Health Record Data, Natural Language Processing, and Machine Learning
Tianrun Cai, Fiona Cai, Kumar Dahal et. al.

Nov 13th, 2019 - Background/Purpose: Efficiently identifying eligible patients is an important component of a successful clinical trial.  Billing codes from electronic health record (EHR) data are commonly used to first screen for potential patients, followed by labor-intensive chart review to identify the eligible patients by trial criteria.  The objective of this study was to test whether a machine learning s...

DMARD-free Remission in Established Rheumatoid Arthritis: 2 Year Results of the TARA Trial
Elise van Mulligen, Angelique Weel, Martijn Kuijper et. al.

Nov 13th, 2019 - Background/Purpose: In rheumatoid arthritis (RA) disease outcomes  have improved enormously in the last  decades. Due to early initiation of therapy, a treat-to-target approach and a growing arsenal of disease-modifying antirheumatic drugs (DMARDs) and biologicals, RA patients are in sustained remission more often. This raises the subsequent questions whether treatment should be continued, tape...

Antimicrobial Use Is High in Patients with Rheumatoid Arthritis, and Further Increases with First-Line TNFi Therapy – Nationwide Results from Iceland
Aron H Bjornsson, Olafur Palsson, Mar Kristjansson et. al.

Nov 13th, 2019 - Background/Purpose: Severe infections, frequently resulting in hospitalization, are a well-known adverse effects of tumor necrosis factor inhibitors (TNFi). However, studies regarding outpatient treated infections are needed. Our objective was to investigate the use of antimicrobials (antibiotics, antifungals and antivirals; excluding antimycobacterials) in patients with rheumatoid arthritis (R...

Bromodomain Inhibitor, I-BET762 Inhibits Production of Pro-inflammatory in Rheumatoid Arthritis Fibroblast-like Synoviocytes and Differentiation of Osteoclast
Ra Ham Kim, Hyun Jung Yoo, Shin Eui Kang et. al.

Nov 12th, 2019 - Background/Purpose: Rheumatoid arthritis (RA) is a chronic autoimmune disorder, characterized by joint inflammation and bone destruction. The fibroblast-like synoviocyte(FLS) contributes to the pathogenesis of RA through cellular proliferation and production of cytokines or chemokines. Recently, blockade of the bromodomain and extra-terminal domain (BET) family protein was reported to be a pote...

Beyond Genes—a Multi-omic Analysis of Monozygotic Twins Discordant for Rheumatoid Arthritis
Julia Manasson, Jeremy Sokolove, Lauren Lahey et. al.

Nov 12th, 2019 - Background/Purpose: Although a number of genetic factors, including susceptibility alleles, have been identified in rheumatoid arthritis (RA), the concordance rate in monozygotic (MZ) twins is only 15% (Silman AJ et al, Br J Rheumatol 1993). Given this relatively low rate, environmental factors (including smoking, the microbiome and others) likely play a significant role in disease pathogenesis...