Abstract Number: L03 • ACR Convergence 2024
CD9 Expressing T Follicular Helper Cells Are a Highly Functional Subset Expanded in Systemic Lupus Erythematosus
Background/Purpose: Systemic Lupus Erythematosus (SLE) is characterized by the generation of autoantibodies that promote tissue injury. The development of pathogenic autoantibody-secreting B cells in lupus…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,…Abstract Number: 0003 • ACR Convergence 2024
CLN-978, a CD19-directed T Cell Engager (TCE), Leads to Rapid and Deep B Cell Depletion and Has Broad Potential for Development in Autoimmune Diseases
Background/Purpose: CD19-directed CAR T cell therapy has been reported to induce profound B cell depletion and deep clinical responses, including drug-free remission, in patients with…Abstract Number: 0499 • ACR Convergence 2024
PD-1hiCXCR5-CD4+T Peripheral Helper Cells Enrich in Rheumatoid Arthritis and Predict Clinical Response to Anti-TNF Treatment
Background/Purpose: PD-1hiCXCR5-CD4+T peripheral helper cells (Tph) are newly identified pathogenic CD4+T helper cells and participate in rheumatoid arthritis (RA) pathogenesis. However, the clinical significance of…Abstract Number: 1134 • ACR Convergence 2024
First-in-Human Evaluation of the Safety, Tolerability and Pharmacokinetics of the T Cell Receptor Signal Modulator AX-158
Background/Purpose: Nck is a cytosolic protein that binds a domain of the T cell receptor (TCR) following TCR interaction to amplify responses from low affinity…Abstract Number: 1785 • ACR Convergence 2024
Comparative Immuno-Metabolomics Shows Singular Changes in Systemic Lupus Erythematosus Metabolic Phenotype Induced by T-Cell Activation
Background/Purpose: Metabolic processes have a critical role in regulating immune cell function, therefore being relevant to understanding the pathogenesis and progression of autoimmune diseases. Here…Abstract Number: 1850 • ACR Convergence 2024
Exhausted T-cells Are Increased in Autoimmune Diseases and Predict Response to Anti-TNF in RA and SPA Patients
Background/Purpose: Exhaustion can occur after prolonged activation of T cells limiting their immunosurveillance function leading to cancer emergence. Among the exhaustion markers expressed on T…Abstract Number: 1988 • ACR Convergence 2024
A Randomized, Open-Label Study on the Effect of Nipocalimab on Vaccine Responses in Healthy Participants
Background/Purpose: Nipocalimab is a human IgG1 monoclonal antibody targeting the neonatal Fc receptor (FcRn) that selectively reduces IgG levels without impacting antigen presentation, T- and…Abstract Number: 0004 • ACR Convergence 2024
Beyond Antibodies and CAR-T: Topologically Engineered, Superdimeric Antibody NK Engagers and T Cell Engagers for B Cell Depletion Demonstrating Cooperative Binding to Target and Effector Cells
Background/Purpose: The dramatic demonstration of CD19 CAR-T efficacy in systemic lupus erythematosus (SLE), idiopathic inflammatory myositis, and systemic sclerosis by Georg Schett and colleagues (F.…Abstract Number: 0512 • ACR Convergence 2024
Co-stimulatory Blockade Causes Targeted Quantitative and Clonotypic Contractions in Extrafollicular B-cell Subsets in Seropositive RA Patients
Background/Purpose: Of all approved biologic therapies, other than anti-CD20 depletion only CTLA4-Ig/abatacept treatment reduces levels of pathologic autoantibodies. Herein, our primary goal has been to…Abstract Number: 1381 • ACR Convergence 2024
Elimination of CD45RChigh T and B Cells by anti-CD45RC mAb Lead to Efficient Control of Experimental Rheumatoid Arthritis
Background/Purpose: CD45RC is an isoform of CD45, a transmembrane tyrosine phosphatase, essential regulator of T and B cells antigen receptor signaling, expressed by most blood…Abstract Number: 1790 • ACR Convergence 2024
Response Gene to Complement-32 Expression Is Upregulated in Lupus T Cells and Promotes Th17 Differentiation
Background/Purpose: RGC (Response Gene to Complement)-32 is a cell cycle regulator expressed in normal tissues, tumors and a variety of cell lines. RGC-32 plays a…Abstract Number: 1852 • ACR Convergence 2024
Uncovering a MAIT-Treg Axis in Skin UV Response: Implications for Photosensitive Reactions in Cutaneous Lupus Erythematosus
Background/Purpose: Approximately 80% of cutaneous lupus erythematosus (CLE) patients experience sensitivity to ultraviolet (UV) sunlight rays, which leads to disfiguring skin lesions or systemic disease…Abstract Number: 2004 • ACR Convergence 2024
Rheumatic Complications Post-CAR-T Cell Therapy. Experience of a Single Center
Background/Purpose: CAR-T cell therapy is a promising treatment for a range of systemic autoimmune diseases such as systemic lupus erythematosus, systemic sclerosis, and antisynthetase syndrome,…Abstract Number: 0008 • ACR Convergence 2024
Preclinical Development and Manufacturability of KYV-201, an Investigational Allogeneic Anti-CD19 Chimeric Antigen Receptor T Cell for the Treatment of Autoimmune Disease
Background/Purpose: Autologous anti-CD19 chimeric antigen receptor (CAR) T cells show early clinical evidence of safety and efficacy for treating several autoimmune diseases (Müller F. N Engl…
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