Abstracts tagged "B-Cell Targets"

Abstract Number: 2436 • ACR Convergence 2024
Characterization of RO7507062, a CD19-Targeting T-Cell Bispecific Antibody (CD19TCB), and Design of Its Ongoing Phase 1 Trial in Systemic Lupus Erythematosus
Florian Kollert¹, Sarah Robertson², Veit Erpenbeck², Franziska Regenass-Lechner³, Remy Hallet³, Jason Neale², Cary M. Looney², Nicolas Frances², Celine Marban-Doran², Sophia Fredrika Soehrman Brossard², Laurie Millar⁴, Beki Finch⁵, Johannes Sam⁶, Benjamin A. Fisher⁷, Maria Leandro⁸, Thomas Dörner⁹, Christian Klein¹⁰ and Franz Schuler², ¹University Hospital Basel, Basel, Switzerland, ²F. Hoffmann-La Roche Ltd., Basel, Switzerland, ³F. Hoffmann-La Roche Ltd, Basel, Switzerland, ⁴F. Hoffmann-La Roche Ltd., Welwyn Garden City, England, United Kingdom, ⁵F. Hoffmann-La Roche Ltd., Welwyn Garden City, United Kingdom, ⁶F. Hoffmann-La Roche Ltd, Schlieren, Zurich, Switzerland, ⁷University of Birmingham, Birmingham, United Kingdom, ⁸University College London, London, United Kingdom, ⁹Department of Medicine, Rheumatology and Clinical Immunology,Charite Universitätsmedizin Berlin, Germany and DRFZ, Berlin, Berlin, Germany, ¹⁰F. Hoffman-La Roche Ltd., Schlieren, Zurich, Switzerland
Background/Purpose: CD20-directed B-cell depletion therapy shows efficacy in hematological malignancies and in multiple autoimmune indications. More recently, promising data for the use of CD19-targeted B-cell…
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
Ashley Mahne¹, Ryan Rodriguez², Jessica Wang¹, Daniel Anaya¹, Joseph K. Cheng¹, Brandon Kwong¹, Jesus Banuelos³, Peter Starokadomskyy³, Soo Park³, Candice Gibson⁴, Shouvonik Sengupta¹, Simone Sandoval¹, Jazmin Bravo³, Jeanne Flandez¹, Shairaz Shah¹, Amanda Goodsell¹, Nicole Khoshnoodi¹, Jennifer Zeng¹, Santiago Foos-Russ¹, Mario Lorente¹, Jennifer Adrian¹, Timothy Klasson¹, Yong Zhang⁵, Jessica Seitzer⁶, Birgit Schultes⁵ and Tom Van Blarcom³, ¹Kyverna Therapeutics, Inc., Emeryville, CA, ²Kyverna Therapeutics, Inc., Emerville, CA, ³Kyverna Therapeutics, Inc., Emeryville, ⁴Kyverna Therapeutics, Inc., Emerybille, ⁵Intellia Therapeutics, Inc., Cambridge, MA, ⁶Intellia Therapeutics, Inc., Cambridge
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…
Abstract Number: 0666 • ACR Convergence 2024
Interferon-stimulated Genes on Peripheral CD8+ T Cells of SLE Patients Were the Keys for Early Response to BAFF/APRIL-targeted Therapy
Cuiling Fan¹, Shixian Chen² and Juan Li¹, ¹Department of Rheumatology and Immunology, Nanfang Hospital, Southern Medical University, Guangzhou, China, Guangzhou, China (People's Republic), ²Nanfang Hospital, Southern Medical University, guangzhou, China (People's Republic)
Background/Purpose: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease. BAFF/APRIL-targeted therapy exert therapeutic effects through the inhibition of B-cell activating factor (BAFF) and a…
Abstract Number: 1646 • ACR Convergence 2024
A Novel E3 Ligase of GILZ: Validation of a Steroid-sparing Therapeutic Target in SLE
Iolanda Miceli¹, Rochelle Sherlock², Pamela Hall², IanIan Cheang², Akshay D'Cruz³, Taylah Bennett², Terry Lim Kam Sian², Rangi Kandane-Rathnayake⁴, Eric Morand⁵ and Sarah Jones², ¹Monash University, Glen Iris, Victoria, Australia, ²Monash University, Melbourne, Australia, ³Monash University, Me, Australia, ⁴Monash University, Clayton, Victoria, Australia, ⁵School of Clinical Sciences, Monash University, Melbourne, Victoria, Australia
Background/Purpose: SLE is primarily mediated by B cell dysregulation on a background of type I interferon (IFN) activation. This multi-faceted nature of immune defects in…
Abstract Number: 2437 • ACR Convergence 2024
Aryl Hydrocarbon Receptor as an Intrinsic Novel Checkpoint That Inhibits TLR7-induced B-cell Activation in SLE
Changming Lu¹, Jose Rubio², Hui-Chen Hsu¹ and John D. Mountz³, ¹University of Alabama at Birmingham, Birmingham, AL, ²University of Alabama at Birmingham, Hoover, AL, ³University Alabama Birmingham, Birmingham, AL
Background/Purpose: Systemic lupus erythematosus (SLE) is characterized by an increase in T-bet+ IgD−CD27− double negative 2 (DN2) B cells, attributed to heightened TLR7 signaling. Identifying…
Abstract Number: 0009 • ACR Convergence 2024
Comprehensive Autoantibody Profiling Highlights Clinical Relevance of Autoantibodies to G Protein-coupled Receptors in Systemic Sclerosis: Insights from a B-cell Depletion Clinical Trial
Kazuki Matsuda, Shinichi Sato and Ayumi Yoshizaki, The University of Tokyo, Tokyo, Japan
Background/Purpose: Systemic sclerosis (SSc) affects the skin and internal organs with a poor prognosis. While the exact cause remains unclear, increasing evidence indicates that B…
Abstract Number: 0776 • ACR Convergence 2024
Follicular Dendritic Cell PD-L1 Expression Promotes Autoreactive Germinal Center Formation
Elliot Akama-Garren¹, Yingying Zhang², Balthasar Heesters³, Padraic Fallon⁴ and Michael Carroll², ¹Harvard Medical School, Boston, MA, ²Boston Children's Hospital, Boston, MA, ³Utrecht University, Utrecht, Netherlands, ⁴Trinity College Dublin, Dublin, Ireland
Background/Purpose: Germinal center (GC) responses generate humoral immunity through coordinated interactions between B cells and T follicular helper (TFH) and T follicular regulatory (TFR) cells.…
Abstract Number: 1651 • ACR Convergence 2024
Unlocking the Secrets of Breg Dysfunction in Lupus: Glycosylation Patterns as Therapeutic Targets
Pauline Kerleroux-Trébaol¹, Marie Morel¹, Sandrine Jousse-Joulin², Divi Cornec³, Pierre Pochard¹ and Anne Bordron¹, ¹Université de Bretagne Occidentale, brest, France, ²cavale blanche hospital, brest, France, ³Service de Rhumatologie, CHU de Brest, Brest, France
Background/Purpose: The immune system is a complex network of cells preventing the invasion of the organism from external particles. The break in the homeostasis will…
Abstract Number: 2548 • ACR Convergence 2024
NADPH Oxidase in B Cells and Macrophages Protects Against Murine Lupus by Regulation of TLR7
Rachael Gordon¹, Haylee Cosgrove², Anthony Marinov³, Sebastien Gingras¹, Jeremy Tilstra², Allison Campbell⁴, Sheldon Bastacky¹, Andras Perl⁵, Kevin Nickerson¹ and Mark Shlomchik², ¹University of Pittsburgh, Pittsburgh, ²University of Pittsburgh, Pittsburgh, PA, ³University of Pittsburgh, Homestead, PA, ⁴Yale, New Haven, ⁵SUNY, Syracuse, NY
Background/Purpose: Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease characterized by loss of tolerance to nuclear antigens, immune activation, and organ damage. Loss of…
Abstract Number: 0010 • ACR Convergence 2024
Precision Editing of Cyclophilin a to Engineer Cyclosporine- and Voclosporin- Resistant Human CAR-T Cells
Holly Wobma¹, Francesca Alvarez-Calderon², Jiayi Dong², Alexandre Albanese², Kayleigh Omdahl², Rene Bermea³, Gillian Selig⁴, Marlana Winschel², Elisa Rojas Palato², Katherine Michaelis¹, Xianliang Rui², Bruce Blazar⁵, Susan Prockop², Victor Tkachev³, Ulrike Gerdemann² and Leslie Kean², ¹Division of Immunology, Boston Children's Hospital, Boston, MA, ²Division of Hematology-Oncology, Boston Children's Hospital, Boston, MA, ³Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA, ⁴Harvard College, Boston, MA, ⁵Division of Pediatric Blood and Marrow Transplantation & Cellular Therapy, University of Minnesota, Minneapolis, MN
Background/Purpose: With exponential demand for chimeric antigen receptor (CAR) therapies for autoimmune disease, allogeneic options will be essential. Advantages include use of healthy donor cells,…
Abstract Number: 0777 • ACR Convergence 2024
Rheumatoid Factor B Cell Clones Proliferate Predominantly as Atypical Memory B Cells in Reactive Cervical Lymph Node Follicles Compared to Extrafollicular Sites in Affected Salivary Glands of SjS Patients
Theodoros Ioannis Papadimitriou¹, Jing Jing Wang², Xuehui He³, Sidney van der Zade⁴, Massis Krekorian⁵, Prashant Singh⁶, Erik Dik⁵, Ger Pruijn⁵, Tom Gordon², Hans Koenen⁷, Martijn Huijnen⁸ and Rogier Thurlings¹, ¹Radboudumc, Department of Rheumatology, Nijmegen, Gelderland, Netherlands, ²Flinders University, Adeleide, Australia, ³Radboudumc, Nijmegen, Netherlands, ⁴Radboudumc, Amsterdam, Netherlands, ⁵Radboudumc, Nijmegen, Gelderland, Netherlands, ⁶Radboudumc, Department of Medical BioSciences, Nijmegen, Netherlands, ⁷Radboudumc, Department of Medical Immunology, Nijmegen, Gelderland, Netherlands, ⁸Radboudumc, Department of Medical BioSciences, Nijmegen, Gelderland, Netherlands
Background/Purpose: Sjögren’s syndrome (SjS) is a chronic inflammatory disorder, characterized by formation of autoantibodies. Over time rheumatoid factor (RF) clones can give rise to cryoglobulinemic…
Abstract Number: 1733 • ACR Convergence 2024
Safety and Efficacy of CABA-201, a Fully Human, Autologous 4-1BB Anti-CD19 CAR T Cell Therapy in Patients with Immune-Mediated Necrotizing Myopathy and Systemic Lupus Erythematosus from the RESET-MyositisTM and RESET-SLETM Clinical Trials
Saira Sheikh¹, Tahseen Mozaffar², Vimal Derebail¹, Natalie Grover¹, Jonathan Hogan³, Courtney Little³, Yvonne White³, Claire Miller³, Rebecca Estremera³, Jenell Volkov³, Daniel Nunez³, Jason Stadanlick³, Mallorie Werner³, Zachary Vorndran³, Alexandra Ellis³, Jazmean Williams³, Justin Cicarelli³, Quynh Lam³, thomas Furmanak³, Chris Schmitt³, Fatemeh Nezhad³, Dan Thompson³, Samik Basu³ and David Chang³, ¹University of North Carolina at Chapel Hill, Chapel Hill, NC, ²University of California, Irvine, Irvine, CA, ³Cabaletta Bio, Philadelphia, PA
Background/Purpose: CD19 targeting chimeric antigen receptor (CAR) T cells have demonstrated durable drug-free responses and remission in patients with idiopathic inflammatory myopathies (IIM) and systemic…
Abstract Number: 2598 • ACR Convergence 2024
p300 KAT Inhibition Selectively Targets Multiple Cell Types Involved in Chronic Inflammation and Downregulates Key Inflammatory Cytokines
Zhihua Ma, Luis Carvajal, Andrew Chen, Rosa Villagomez, Yare calderon, Tamara Hopkins, Hua Gao, Benjamin Trotter, Charles Lin and Peter Rahl, Kronos Bio, Cambridge, MA
Background/Purpose: Across inflammatory and autoimmune diseases, pathologic signaling converges in the nucleus to elevate transcription of numerous inflammatory effectors such as cytokines, chemokines and antibodies.…
Abstract Number: 0011 • ACR Convergence 2024
Preclinical Manufacturability and Activity of KYV-102 from Patients with Systemic Lupus Erythematosus Using Ingenui-T: A Rapid, Autologous Chimeric Antigen Receptor T-Cell Manufacturing Solution Utilizing Whole Blood
Brandon Kwong¹, Daniel Anaya¹, Soo Park², Sunetra Biswas², Jeevitha Jeevan², Jesus Banuelos², Madison Strobach², Nicole Khoshnoodi¹, Timothy Klasson¹, Santiago Foos-Russ¹, Jennifer Zeng¹, Candice Gibson³, Jazmin Bravo², Simone Sandoval¹, Shouvonik Sengupta¹, Shairaz Shah¹, Tom Van Blarcom² and Karen Walker², ¹Kyverna Therapeutics, Inc., Emeryville, CA, ²Kyverna Therapeutics, Inc., Emeryville, ³Kyverna Therapeutics, Inc., Emerybille
Background/Purpose: Apheresis in conventional chimeric antigen receptor (CAR) T-cell therapy can be burdensome, and conventional manufacturing cultures apheresis-derived cells for 7-14 days, leading to a…
Abstract Number: 0778 • ACR Convergence 2024
Comprehensive Immune Profiling of Anti-CD19 Chimeric Antigen Receptor T-Cell Therapy in Patients with Autoimmune Disease
Justin Chou¹, Ricardo Grieshaber-Bouyer², Michelle J Wu³, Christina Bergmann², Jule Taubmann⁴, Fabian Müller⁵, Aline Bozec⁴, Tobias Rothe², Andreas MAckensen⁶, Amber Podoll⁷, Jonathan Gutman⁷, Aiden Haghikia⁸, Dimitrios Mougiakakos⁹, Gary Tong³, Pouya Kheradpour³, Francis Kim¹⁰, Prameela Ramesan¹⁰, Brandon Kwong¹⁰, Kunbin Qu¹⁰, Bishwa Ganguly¹⁰, Dominic Borie¹⁰, James Chung¹⁰ and Georg Schett¹¹, ¹Kyverna Therapeutics, Emeryville, CA, ²Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, ³Verily Life Sciences, South San Francisco, CA, ⁴Friedrich-Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, ⁵Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, ⁶Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Bayern, Germany, ⁷University of Colorado Anschutz Medical Campus, Aurora, CO, ⁸Otto-von-Guericke University, Magdeburg, Germany, ⁹Otto-von-Guericke University, Magdeburg, Germany, Magdeburg, Germany, ¹⁰Kyverna Therapeutics, Inc., Emeryville, CA, ¹¹Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
Background/Purpose: Anti-CD19 chimeric antigen receptor (CAR) T-cell therapy represents a promising advancement in the treatment of autoimmune diseases, including systemic sclerosis (SSc), idiopathic inflammatory myopathy…

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