ACR Convergence 2026

November 6-11, 2026. Orlando, Florida.

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Abstract Number: 1768

Ultra-Processed Food Intake and Inflammatory Burden Among Adults with Rheumatoid Arthritis: A NHANES Analysis
Abstract Number: 0949

Ultra-processed food, nutritional quality and risk of rheumatoid arthritis: Results from the NutriNet-Sante cohort
Abstract Number: 1297

Ultrasensitive Quantification Reveals Higher Serum Interferon-α and Interferon-γ Levels Associate with Reduced Leukocyte and Lymphocyte Counts in Systemic Lupus Erythematosus
Abstract Number: 1699

Ultrasound Evaluation of Muscle Quality in Rheumatoid Arthritis: a Reliability Study of the Spanish Ultrasound Muscle Assessment in Rheumatoid arthritis (SpUMAR) Score
Abstract Number: 2379

Ultrasound Focal Lesions and Persistent Parotid Swelling as Predictors of Salivary Gland Lymphoma in Sjögren’s Disease
Abstract Number: 0643

Ultrasound May Link Structural Pathology to Clinical Pain and Cartilage Health in End-Stage Knee Osteoarthritis
Abstract Number: 0190

Ultrasound Supports a Shared Disease Spectrum Between Giant Cell Arteritis and Polymyalgia Rheumatica: A Cross-Sectional Study
Abstract Number: 0511

Ultrasound Synovitis, Not Composite Disease Activity Score, Predicts Therapy Change After Rheumatoid Arthritis Flare: Findings from a Prospective Pilot Study
Abstract Number: 0702

Ultrasound-assessed enthesitis and disease severity in SAPHO syndrome.
Abstract Number: 0437

Ultrasound-Based Assessment of Hyperechoic Bands in Sjögren’s Disease: Inter-Observer Reliability of Binary and Hocevar-Based Definitions
Abstract Number: 1466

Ultrasound-Defined Inflammatory Burden is Linked to Sarcopenia Beyond Clinical Disease Activity in Rheumatoid Arthritis
Abstract Number: 1834

Ultrasound-detected bone erosions during the preclinical phase identify a severe disease trajectory in CCP+ individuals following inflammatory arthritis development.
Abstract Number: 2972

Ultraviolet B-Induced Extracellular Vesicles from Interferon-Primed Keratinocytes Act as Potent Drivers of Proinflammatory Activity in Lupus Photosensitivity
Abstract Number: 0120

Umbilical Cord Lining Stem Cells Suppress Pro-inflammatory and Upregulate Anti-inflammatory Mediators in IIM
Abstract Number: 1207

Uncovering Distinct Disease Severity Trajectories in Juvenile Systemic Sclerosis Through Machine Learning
Abstract Number: 0067

Uncovering molecular underpinnings of lupus severity with multi-omic analysis
Abstract Number: 0728

Understanding ANA Ordering Patterns in a Community Health System: A QI Analysis of an Outpatient Non-Disruptive Clinical Decision Support Alert
Abstract Number: 2537

Understanding DMARD Treatment Decisions and Experiences Among Older Adults with Rheumatoid Arthritis: The Patient Perspective
Abstract Number: 1849

Understanding Menopause Symptom Severity in Women with Rheumatoid Arthritis Using the Menopause Rating Scale
Abstract Number: 0878

Understanding Psoriatic Arthritis: Subclinical Inflammation and Sex-Related Differences in Untreated Patients
Abstract Number: 1096

Understanding the Genetic Variation of SLE using Genomic Language Models
Abstract Number: 1769

Understanding the Impact of Systemic Lupus Erythematosus on Work Productivity and Daily Activity Among African American Women
Abstract Number: 0609

Understanding the sexual health and well-being of people living with rheumatic and musculoskeletal diseases: a multi-method cross-sectional analysis
Abstract Number: 2095

Unique populations of age-associated B cells in the synovium in rheumatoid arthritis
Abstract Number: 2048

Unique Type 1 and Type 2 Interferon (IFN) Response Gene Score Longitudinal Changes in Refractory Juvenile Dermatomyositis (JDM) Patients Receiving Baricitinib by Single-Cell RNA Sequencing
Abstract Number: 1642

Unlocking MMP-9’s Power: From Retroperitoneal Fibrosis Diagnosis to Treatment Efficacy Assessment
Abstract Number: 0286

Unmet Need and Treatment Disparities Among Lupus Patients with Medicaid Insurance in the United States
Abstract Number: 2150

Unmet Treatment Needs in Eosinophilic Granulomatosis with Polyangiitis (EGPA): Real-World Rheumatology and Multispecialty Care Patterns in the United States
Abstract Number: 2604

Unraveling Inflammatory Myopathies among Veterans: A cross-sectional study
Abstract Number: 1025

Unraveling the contribution of IFIH1 in systemic lupus erythematosus pathogenesis
Abstract Number: 0630

Unscreened and Underserved: Osteoporosis Screening Gaps in Rheumatoid Arthritis in an Urban Safety-Net Health System
Abstract Number: 0438

Unstimulated Salivary Flow as a Marker of Clinically Assessed Oral Involvement Across Rheumatic Diseases
Abstract Number: 0252

Unsupervised clustering identifies three clinically distinct patient subgroups in systemic sclerosis defined by autoantibody profiles and clinical phenotype. The AutoSclero study
Abstract Number: 2227

Unsupervised Glucocorticoid Dose Adjustment in Systemic Lupus Erythematosus: Insights from the LUPPOS International Patient Survey
Abstract Number: 2642

Unsuspected Extrapulmonary Involvement Detected by PET/CT in Newly Diagnosed Sarcoidosis
Abstract Number: 1819

Untangling NETs in APS: Mapping the Signaling Network Driving Anti-β2GPI-Induced Neutrophil Activation
Abstract Number: 0993

Untargeted Metabolomics Reveals Dysregulated Retinoic Acid Metabolism in Systemic Sclerosis
Abstract Number: 0703

Upadacitinib in Rheumatoid Arthritis-Associated Interstitial Lung Disease: Real-World Effectiveness and Safety from a National Multicenter Cohort
Abstract Number: 1580

Updated Prevalence of Radiographic and Symptomatic Hand Osteoarthritis from 2019-2024: Results from a Community-Based Cohort
Abstract Number: 2452

Upper GI Bleed and In Hospital Outcomes Among Hospitalized Patients with Rheumatoid Arthritis
Abstract Number: 0734

Uptake and effectiveness of recombinant zoster vaccine in patients with immune mediated inflammatory diseases younger 50 years: retrospective study using Epic Cosmos database
Abstract Number: 0720

Urate burden in type 2 diabetes across the cardio-kidney-metabolic (CKM) syndrome.
Abstract Number: 0721

Urate-Lowering Therapy Use and Association with Hyperuricemia Across Chronic Kidney Disease Stages in U.S. Adults with Gout: A Serial Cross-Sectional Analysis of NHANES 2007-2018
Abstract Number: 1084

Uridine Deficiency in Bone Marrow Drives Neutrophil Senescence and NETosis via MAPK Signaling in Autoinflammatory and Autoimmune Disease
Abstract Number: 0341

Urinary Biomarkers in Systemic Lupus Erythematosus: Association with Cardiovascular Risk and Potential Clinical Utility
Abstract Number: 0342

Urinary CD163 Outperforms Interferon-Inducible Biomarkers for Detecting Active Lupus Nephritis and for Distinguishing Renal from Extrarenal Disease Activity
Abstract Number: 1298

Urinary Complement Activation Products and Soluble CD163 as Lupus Nephritis Biomarkers
Abstract Number: 0140

Urinary DNA Methylation Distinguishes Active Lupus Nephritis from APOL1-Associated Kidney Disease in Systemic Lupus Erythematosus
Abstract Number: 2282

Urinary Proteomic Signatures of Neutrophil, Complement, and Tissue Injury Pathways Predict Kidney Damage Accrual in Lupus Nephritis
Abstract Number: 1097

Urinary Proteomics Identifies Complement and Coagulation Pathway Activation Associated with Tubulointerstitial Inflammation in Lupus Nephritis
Abstract Number: 1012

Urine Proteomics Reveals Mechanisms of Immune Reprogramming following CD19 CAR T Therapy (Zola-cel) in Systemic Lupus Erythematosus (SLE)
Abstract Number: 1868

Use of Quantitative CT in the Real-World Evaluation of Progressive Pulmonary Fibrosis: The Retrospective Evaluation in the US of e-Lung in PPF (REVISE PPF) Multicenter Observational Study
Abstract Number: 1363

Using Oswestry Disability Index in Patients of Axial Spondyloarthritis – Studying Its Relationship With Disease Assessment Parameters and Quality of Life
Abstract Number: 0994

Using single-cell technology to elucidate cellular drivers of colonic disease in systemic sclerosis
Abstract Number: 1896

Ustekinumab Plus Prednisone Versus Prednisone Alone for Refractory Giant Cell Arteritis: a Randomized Phase IIb Open-Label Trial
Abstract Number: 2283

Utility of Readily Available Complete Blood Count Components based Indices as Biomarkers for Disease Status in Systemic Lupus Erythematosus- Lupus Clinical Trials Consortium Experience
Abstract Number: 0866

Utilization and Outcomes of Acute Stroke Interventions in Patients with Antiphospholipid Syndrome Hospitalized for Acute Ischemic Stroke: A National Inpatient Sample Analysis, 2016-2022
Abstract Number: 0214

Utilization and outcomes of anti-interleukin-5 (IL5) and IL5 receptor therapies in systemic vasculitic manifestations of eosinophilic granulomatosis with polyangiitis
Abstract Number: 2664

Utilization of Epic Dotphrases to Increase Rates of Interstitial Lung Disease (ILD) Screening in Systemic Autoimmune Rheumatic Diseases
Abstract Number: 1490

Utilization of Large Language Models for Creation of Rheumatology Board Preparation Question Bank
Abstract Number: 1170

Utilization of the CARRA Consensus Treatment Plans for Childhood-Onset ANCA-Associated Vasculitis in a Large International Cohort: An ARChiVE Registry Study

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