ACR Convergence 2026

November 6-11, 2026. Orlando, Florida.

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Abstract Number: 1042

Haem-Scavenging Apo-Lactoferrin Microsponges Attenuate Joint Destruction and Bone Erosion in Collagen-Induced Arthritis
Abstract Number: 0815

Harnessing Large Scale Data to Investigate Systemic Lupus Erythematosus: Cohort Construction and Validation Across Two Data Platforms
Abstract Number: 1104

HB2198: A Tetravalent Bispecific anti-CD19/CD20 Antibody with Dual Fc Domains for Enhanced Immune Effector Functions and Deep B Cell Depletion in SLE
Abstract Number: 1221

HCQ Dosing and Drug Forgiveness: New Mechanistic Insights and Immunopharmacology from a Phase I RCT
Abstract Number: 0791

HCQ Eye Exams in SLE: screening gaps and associations across academic centers
Abstract Number: 1872

Head-to-head comparison of [⁶⁸Ga]Ga-FAPI-46 PET/CT and [¹⁸F]FDG PET/CT in patients with recent-onset or relapsing polymyalgia rheumatica and/or giant cell arteritis
Abstract Number: 1534

Health literacy profiling in rheumatic and musculoskeletal diseases using the Ophelia approach: Identification of eight distinct patient profiles
Abstract Number: 2524

Health-Related Quality of Life in Juvenile Localized Scleroderma: A Prospective Multicenter Cohort Study
Abstract Number: 2137

Healthcare Resource Use and Economic Burden of ANCA-Associated Vasculitis in the United States
Abstract Number: 2363

Healthcare Resource Utilization, Including Dental Care, Before and After Sjögren’s Disease Diagnosis in the Veterans Affairs Health Care System
Abstract Number: 2952

Healthcare Transition Outcomes and Predictors of Successful Transfer in Adolescents and Young Adults with Pediatric-Onset Rheumatologic Disease
Abstract Number: 1157

Hepatotoxicity Associated with Avacopan in ANCA-Associated Vasculitis: A Single-Center Real-World Experience
Abstract Number: 1158

Hepatotoxicity of Avacopan: Real-World Incidence and Confirmed Cases of Severe Drug-Induced Liver Injury in a US National Rheumatology Registry
Abstract Number: 0112

Heterochronic gut microbiome transplantation augments the risk of osteoarthritis in mice
Abstract Number: 2457

Heterogeneity of Small-for-Gestational-Age Neonates in Systemic Lupus Erythematosus: Differentiating Isolated SGA from Preeclampsia-associated Growth Restriction
Abstract Number: 1749

Heterogeneous Burden of Atrial Fibrillation Across Autoimmune Rheumatic Diseases: A Comparative Analysis of Prevalence and Inpatient Outcomes Across Rheumatic Disease Subtypes
Abstract Number: 2627

Heterogeneous conditions underlying chronic joint pain in sarcoidosis: a longitudinal observational study
Abstract Number: 1619

High Mortality and Health Care Utilization in Interstitial Pneumonia with Autoimmune Features: a Population-Based Cohort Study
Abstract Number: 1063

High parameter flow cytometry analysis of T- and B-cell populations in systemic juvenile idiopathic arthritis patients with and without lung disease
Abstract Number: 2159

High patient acceptability for an emerging therapy: perioral hyaluronidase in systemic sclerosis patients with microstomia
Abstract Number: 2430

High RF IgM is associated with underestimation of carotid plaque in patients with rheumatoid arthritis
Abstract Number: 0488

High rheumatoid factor titers and ten-year mortality in male rheumatoid arthritis patients: evidence for the utilisation of a high-titer category
Abstract Number: 2332

High specificity but reduced sensitivity of the Assessment of SpondyloArthritis international Society and Spondyloarthritis Research and Treatment Network revised classification criteria for axial SpA: ASAS classification and SPondyloarthritis Caught Early cohort data
Abstract Number: 2402

High Unmet Need and Low Clinical Response Rates Among Rheumatoid Arthritis Patients Failing Two or More Classes of b/tsDMARDs: A United States Registry Analysis
Abstract Number: 2708

High Variation in Prescribed Medications for Lupus, an Exploration of Nationwide Claims Data
Abstract Number: 1134

High Visual Burden and Distinct Cranial Phenotype in an Irish Giant Cell Arteritis Cohort
Abstract Number: 1693

High-Confidence Synovitis Rule-In from Smartphone Photographs Using a Joint-Agnostic ConvNeXt Classifier : A Three-Band Decision Framework for Remote Disease Monitoring
Abstract Number: 1935

High-Definition Spatial Transcriptomics Reveals Epithelial Stress Responses and Impaired Barrier Integrity in the Small Intestine of Systemic Sclerosis Patients
Abstract Number: 1105

High-Fat Diet-Induced Obesity Reprograms B Cell Tolerance and Promotes Autoimmune Humoral Dysregulation
Abstract Number: 0220

High-Intensity Immunosuppression with Autologous Stem Cell Transplantation Versus Modern Standard Care in Poor-Prognosis Diffuse Cutaneous Systemic Sclerosis: A Propensity-Matched Study
Abstract Number: 2431

High-Resolution Computed Tomography Screening in Rheumatoid Arthritis: 10-year Outcomes of an Early Treat-To-Target Cohort
Abstract Number: 2800

High-Risk Antiphospholipid Syndrome: The Role of aPL Profile and aGAPSS score
Abstract Number: 0387

High-Sensitivity C-Reactive Protein as a Biomarker of Disease Activity in Psoriatic Arthritis
Abstract Number: 0983

High-Sensitivity Single-Cell Spatial Transcriptomics Identifies Female-Biased X-Linked Gene Expression Patterns in Skin-Infiltrating Immune Cells from Patients with Systemic Sclerosis
Abstract Number: 0031

High-throughput plasma proteomics reveals circulating biomarkers of interstitial lung disease and progressive pulmonary fibrosis in systemic sclerosis
Abstract Number: 1344

Hip Fractures in Ankylosing Spondylitis: National Trends, Surgical Management, and In-Hospital Outcomes
Abstract Number: 1576

Hip Osteoarthritis Is Associated with an Increased Risk of Incident Osteoporotic Fracture in Post-Menopausal Women: A 12-Year Prospective Cohort Study
Abstract Number: 2843

Histologic Findings on Repeat Kidney Biopsy in Patients with Persistent Proteinuria Following CAR T-Cell Therapy for Lupus Nephritis
Abstract Number: 1267

Histological Evolution and Clinical Impact of Repeat Renal Biopsy in Lupus Nephritis
Abstract Number: 1222

Histological Remission and Response in Severe and Refractory Lupus Nephritis Patients after Treatment with Rese-cel (Resecabtagene Autoleucel), an Autologous CD19-CAR T Cell Therapy
Abstract Number: 0313

Historical Arthritis Is a commonly recorded SLE Criteria, yet Later Active and Deforming Arthritis is Rare
Abstract Number: 0626

HIV Infection and Risk of Bone Density-Related Outcomes: A Propensity Score-Matched Retrospective Cohort Study Using the TriNetX Research Network
Abstract Number: 0739

HLA-B Allele Distribution in Immune Checkpoint Inhibitor-Associated Inflammatory Arthritis
Abstract Number: 0388

HLA-B Alleles in a Racially and Ethnically Diverse Axial Spondyloarthritis Retrospective Cohort in the United States
Abstract Number: 0389

HLA-B27 Status in Axial Spondyloarthritis Associates with Increased Advanced Therapy Use: A Single-Center Retrospective Cohort in a Diverse United States Academic Medical Center
Abstract Number: 1510

HLA-B51 Positivity and The Clinical Spectrum In Childhood
Abstract Number: 1135

HLA-DRB1*15 Links Tocilizumab to Drug-Associated Immune Reactions in VEXAS
Abstract Number: 1055

Homocitrulline-Specific Th1 and Th17 Cells Are Expanded in Rheumatoid Arthritis
Abstract Number: 1847

Hormone levels of female patients with SLE after anti-CD19 CAR T-cell treatment do not suggest an impaired ovarian reserve
Abstract Number: 1802

How Do Perspectives of Exercise Vary across Functional Ability Levels among Adults with Rheumatoid Arthritis: A Qualitative Study
Abstract Number: 1268

How Does the Physician’s Global Assessment Contribute to SRI-4 and BICLA?
Abstract Number: 0146

HST‑2011, a Potent, Selective IRF5 Small Molecule Inhibitor, Enables Coordinated Inhibition of Innate and Adaptive Immune Responses in SLE
Abstract Number: 2071

Human GPR174 Deficiency Drives Lymphoproliferation Resembling Kikuchi-Fujimoto Disease via Defects in T Cell Function
Abstract Number: 0885

Human hypofunctional NCF1 variant aggravates salivary gland immunopathology in Sjögren’s disease by promoting age-associated B cell proliferation via Tph cell‑derived IFNG‑STAT1 Axis
Abstract Number: 2458

Human milk composition in systemic autoimmune rheumatic diseases: macronutrient, micronutrient and human milk oligosaccharides
Abstract Number: 0681

Humoral responses to recombinant varicella-zoster virus vaccine in patients with chronic arthritis starting JAK inhibitor therapy
Abstract Number: 2432

Hybrid Follow-Up Compared with Standard of Care in Rheumatoid Arthritis
Abstract Number: 0314

Hydroxychloroquine and Mycophenolate Mofetil Are Associated with Reduced Neuropsychiatric Events in Systemic Lupus Erythematosus: A Propensity Score-Matched Cohort Study
Abstract Number: 1814

Hydroxychloroquine and Risk of Anticoagulation-Defined Events in Individuals with Isolated Antiphospholipid Antibody Positivity
Abstract Number: 0270

Hydroxychloroquine Blood Levels in Systemic Lupus Erythematosus: The University of Michigan Health Cohort
Abstract Number: 1223

Hydroxychloroquine Blood Levels, Not Weight-Based Dosing, are Associated with Retinopathy Risk: A Target Trial Emulation
Abstract Number: 0847

Hydroxychloroquine-Induced Hyperpigmentation: A Systematic Review of Clinical Presentations, Histopathological Mechanisms, Risk Factors, and Outcomes
Abstract Number: 1136

Hypocomplementemic Urticarial Vasculitis: Clinical Spectrum and Treatment Outcomes in a Multicenter Cohort of 134 Patients
Abstract Number: 0740

Hypogammaglobulinemia in Patients With Inflammatory Rheumatic Diseases Treated With IL-6 Receptor Inhibitors: A Retrospective Comparative Cohort Study
Abstract Number: 1936

Hypoxia-Induced HIF1A Represses NUDT21 in Epithelial Cells to Drive Skin and Lung Fibrosis via Alternative Polyadenylation

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