Abstract Number: 1471 • ACR Convergence 2025
Prevalence and Clinical Outcomes of Hemophagocytic Lymphohistiocytosis in Systemic Lupus Erythematosus: A Multi-Institutional Cohort Study
Background/Purpose: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with multisystem involvement. A rare but life-threatening hyper-inflammatory hematological complication of SLE is hemophagocytic lymphohistiocytosis…Abstract Number: 1282 • ACR Convergence 2025
Real-world use of belimumab in childhood-onset SLE in Spain: cross-sectional analysis from a multicenter study (JULES registry)
Background/Purpose: SLE is a multisystemic autoimmune disease with several manifestations. Childhood-onset SLE (cSLE) has a more severe disease course than adult-onset SLE, with a higher…Abstract Number: 1093 • ACR Convergence 2025
Rituximab Associated Risk for Progressive Multifocal Leukoencephalopathy Among Patients with Systemic Lupus Erythematosus: A Retrospective Cohort Study
Background/Purpose: Rituximab is one of the many immunosuppressive medications used to treat SLE that can increase a patient’s risk for developing progressive multifocal leukoencephalopathy (PML),…Abstract Number: 0953 • ACR Convergence 2025
NMDAR Autoantibody-Induced Neuronal Damage in the Amygdala Mediates Mood and Anxiety Disorders in a Model of Neuropsychiatric Lupus
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a multisystem autoimmune disease characterized by aberrant production of autoantibodies and chronic inflammation. Up to 80% of individuals with…Abstract Number: 0923 • ACR Convergence 2025
Influenza Virus Infection Alters the MHC Class II Self-Immunopeptidome to Present Lupus-Associated Autoantigens
Background/Purpose: Viral infections and major histocompatibility complex class II (MHC II) are both implicated in the genesis of systemic lupus erythematosus (SLE), but a mechanistic…Abstract Number: 0659 • ACR Convergence 2025
Human papillomavirus infection and systemic lupus erythematosus under biologic therapy: a retrospective analysis in a multicenter cohort
Background/Purpose: Human papillomavirus (HPV) is responsible for 99.7% of cervical neoplasms and is the fourth most common cancer among women worldwide. Patients with systemic lupus…Abstract Number: 0635 • ACR Convergence 2025
Comparison of the SARC-F with Objective Measures of Sarcopenia in Women with Systemic Lupus Erythematosus
Background/Purpose: Sarcopenia, i.e., loss of skeletal muscle mass and strength, has been associated with multiple adverse health outcomes, including mortality. We have previously demonstrated associations…Abstract Number: 0617 • ACR Convergence 2025
Autoantibodies to Extracellular Antigens in Lupus Patients Serum Versus Controls; Predominance of Autoantibodies to Type I Interferons in Lupus Sera
Background/Purpose: Key features in the pathophysiology of SLE include cytokine dysregulation and autoantibody production. Traditional autoantibody testing in SLE is primarily limited to intracellular antigens…Abstract Number: 0600 • ACR Convergence 2025
Toward a Consensus-Based Definition of Difficult-to-Treat Systemic Lupus Erythematosus: A Multinational Survey of Clinicians from the MENA Region
Background/Purpose: Difficult-to-treat systemic lupus erythematosus (D2T-SLE) presents a major challenge due to disease heterogeneity and a lack of unified classification. While the D2T concept has…Abstract Number: 0820 • ACR Convergence 2025
Novel Autoantibodies Predictive of Atherosclerosis Progression and Statin Response in Juvenile-Onset Systemic Lupus Erythematosus
Background/Purpose: Cardiovascular disease (CVD) is a leading cause of morbidity and mortality in juvenile-onset systemic lupus erythematosus (JSLE). There is an urgent need to identify…Abstract Number: 0367 • ACR Convergence 2025
Differences in Self-Reported Medication Nonadherence and its Drivers in Young Adults versus Older Adults with Systemic Lupus Erythematosus
Background/Purpose: Medication adherence poses a challenge for patients with SLE, especially younger patients, who often experience both more active disease and more intensive treatments than…Abstract Number: 0125 • ACR Convergence 2025
The IFN Signature is Less Pronounces in Primary Antiphospholipid Syndrome Compared with other Systemic Autoimmune Diseases
Background/Purpose: Primary antiphospholipid syndrome (pAPS) is an autoimmune disease that, unlike many other autoimmune diseases, commonly presents with thrombotic events rather than inflammatory manifestations. A…Abstract Number: L12 • ACR Convergence 2024
A-319, a CD3 X CD19 T Cell Engager (TCE), for the Treatment of Severe/Refractory SLE: Early Evidence of Rapid Reset of Disease-Specific Autoimmunity
Background/Purpose: CD19 CAR T treatment has demonstrated clinical benefits to patients with severe/refractory systemic lupus erythematosus (SLE), possibly due to resetting autoimmunity. A-319, a highly…Abstract Number: L13 • ACR Convergence 2024
Anifrolumab Long-Term Treatment Is More Effective Against Organ Damage Than Standard of Care Alone: Results from an External Control Arm Study on Organ Damage in Phase 3 Clinical Trials and the University of Toronto Lupus Clinic Cohort
Background/Purpose: In SLE, persistent disease activity, disease flares and long-term glucocorticoid (GC) use all contribute to organ damage accrual. The effects of novel therapies on…Abstract Number: L16 • ACR Convergence 2024
Dapirolizumab Pegol Demonstrated Significant Improvement in Systemic Lupus Erythematosus Disease Activity: Efficacy and Safety Results of a Phase 3 Trial
Background/Purpose: Dapirolizumab pegol (DZP) is a novel, polyethylene glycol (PEG)-conjugated antigen-binding (Fab') fragment, lacking an Fc domain, that inhibits CD40L signaling. By binding to CD40L,…
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