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Abstracts tagged "B-Cell Targets"

  • Abstract Number: 2663 • ACR Convergence 2024

    ADI-001: An Allogeneic CD20-targeted γδ CAR T Cell Therapy with Potential for Improved Tissue Homing in Autoimmune Indications

    Monica Moreno, Shon Green, Kevin P. Nishimoto, Jackie Kennedy-Wilde, Taylor Barca, Melinda Au, Simona Costanzo, Gregory Vosganian, Benjamin Hsu, Francesco Galimi and Blake T. Aftab, Adicet Therapeutics, Inc., Redwood City, CA

    Background/Purpose: γδ T cells serve a role in immune surveillance and their capability to traffic to tissues is fundamental to their natural biology1. They are…
  • Abstract Number: 0013 • ACR Convergence 2024

    Preclinical Polypharmacology of S-1117, a Novel Engineered Fc-fused IgG Degrading Enzyme, for Chronic Treatment of Autoantibody-mediated Diseases

    Julia Manasson1, Liliana Sanmarco2, Alex Pellerin2, Jordan Anderson2, Nathan Rollins2, Tobias Green2, Agustin Plasencia2, Andita Newton2, Ryan Peckner2, Yi Xing2, Heather Vital3, Nathan Higginson-Scott2, John Sundy4, Kevin L. Otipoby2 and Ivan Mascanfroni2, 1Seismic Therapeutic, New York, NY, 2Seismic Therapeutic, Watertown, MA, 3Seismic Therapeutic, Lexington, MA, 4Seismic Therapeutic, Chapel Hill, NC

    Background/Purpose: Pathogenic autoantibodies are key effectors of inflammation, promoting immune cell responses that cause tissue damage in autoantibody-mediated diseases such as idiopathic inflammatory myopathies, lupus…
  • Abstract Number: 0780 • ACR Convergence 2024

    Deep B Cell Tissue Depletion Following Anti-CD19 CART Cells Therapy

    Carlo Tur1, Markus Eckstein2, Velden Joachim3, Christina Bergmann4, Janina Auth1, Laura Bucci1, Giulia Corte5, Melanie Hagen1, Andreas Wirsching1, Ricardo Grieshaber-Bouyer1, Petra Reis1, Nicolai Kittan1, Jochen Wacker1, Simon Rauber1, Aleix Rigau6, Andreas Ramming1, Maria Antonietta D'Agostino7, Arndt Hartmann8, Fabian Müller9, Andreas MAckensen10, Aline Bozec1, Georg Schett11 and Maria Gabriella Raimondo1, 1Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 2Institute of Pathology and Comprehensive Cancer Center EMN, Friedrich-Alexander- Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, 3Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, 4Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, 5Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany, Erlangen, Bayern, Germany, 6Friedrich-Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, 7Division of Rheumatology, Fondazione Policlinico Universitario Agostino Gemelli IRCSS, Università Cattolica del Sacro Cuore, Rome, Italy, 8Institute of Pathology and Comprehensive Cancer Center EMN, Friedrich-Alexander- Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 9Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, 10Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 11Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany

    Background/Purpose: CD19-targeting chimeric antigen receptor (CAR) T-cell therapy has proved potential for achieving long-term drug-free remission in patients with autoimmune diseases (AIDs).  Its effectiveness likely…
  • Abstract Number: 1750 • ACR Convergence 2024

    Safety and Preliminary Efficacy of CD19 CAR-T Cell Treatment in Rheumatic Disease – Data from the First Part of the Phase I/II CASTLE Basket Study

    Georg Schett1, Fabian Müller2, Melanie Hagen3, Andreas Wirsching3, Daniela Bohr4, Christina Bergmann5, Carlo Tur3, Simon Völkl6, Michael Aigner7, Sascha Kretschmann7, Silvia Spoerl7, Soraya Kharboutli7, Ingrid Vasova7, Daniel Aletaha8, Hans Kiener9, Gerlando Natalello10, Franco Locatelli11, Maria Antonietta D´Agostino12, Aline Bozec3, Ricardo Grieshaber-Bouyer13 and Andreas MAckensen14, 1Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, 2Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, 3Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 4Department of Internal Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany, Erlangen, Germany, 5Department Internal Medicine III, Friedrich-Alexander-University (FAU) Erlangen-Nurnber, Frankfurt, Germany, 6Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Bayern, Germany, 7Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany, 8Department of Medicine III, Division of Rheumatology, Medical University of Vienna, Wien, Austria, 9Division of Rheumatology, Department of Internal Medicine III, Medical University of Vienna, Vienna, Austria, Vienna, Austria, 10Division of Rheumatology - Catholic University of the Sacred Heart, Fondazione Policlinico Universitario Agostino Gemelli, Rome, Rome, Italy, 11IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy, 12Catholic University of Sacred Heart, Rome, Italy, Rome, Italy, 13Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, 14Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Bayern, Germany

    Background/Purpose: Systemic autoimmune diseases are based on an aberrant activation of B cells. Autologous CD19 chimeric antigen receptor (CAR) T cells allow deep depletion of…
  • Abstract Number: 2664 • ACR Convergence 2024

    BCMA-targeted Bispecific T Cell-engager Therapy of Autoimmune Disease

    Laura Bucci1, Melanie Hagen2, Sebastian Boeltz2, Danae-Mona Noethling2, Tobias Rothe2, Maria Gabriella Raimondo1, Carlo Tur1, Andreas Wirsching1, Jochen Wacker1, Aline Bozec1, Georg Schett3 and Ricardo Grieshaber-Bouyer2, 1Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 2Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, 3Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany

    Background/Purpose: Targeting B cells and plasma cells is a key therapeutic strategy in autoimmune disease(AID). Therapy with CD19-targeted chimeric antigen receptor (CAR) T-cells and bi-specific…
  • Abstract Number: 0014 • ACR Convergence 2024

    Phenotypic Validation of Humanized IgA1 and CD89 Transgenic Mice as a Model for IgA Nephropathy-Like Autoimmune Disease

    Kaiyuan Zi and Juan Liang, GemPharmatech, San Diego

    Background/Purpose: The etiology of IgA nephropathy (IgAN) remains only partly understood, but the presence of IgA antibodies together with the myeloid IgA-receptor FcαRI/CD89 complexes in…
  • Abstract Number: 0786 • ACR Convergence 2024

    First Analyses of Transcriptomic Changes in the Skin of SSc Patients upon CD19-targeting CAR T Cell Therapy

    Janina Auth1, Manoj Kumar Selvaraju2, Fabian Müller3, Pooja Gupta2, Arif Ekici4, Carlo Tur1, Maria Gabriella Raimondo1, Jörg Distler5, Clara Dees6, Sara Chenguiti6, Melanie Hagen1, Andreas Wirsching1, Jule Taubmann7, Soraya Kharboutli8, Silvia Spoerl8, Michael Aigner8, Sascha Kretschmann8, Ingrid Vasova8, Andreas MAckensen9, Georg Schett10 and Christina Bergmann11, 1Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 2CUBiDA Department (Core Unit Bioinformatics and Data Analysis), UKER and FAU, Erlangen, Germany, 3Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, 4Core Unit Next Generation Sequencing, Erlangen, Germany, 5Universitätsklinikum Düsseldorf and Heinrich-Heine-Universität Düsseldorf, Duesseldorf, Germany, 6Department Internal Medicine III, Erlangen, Germany, 7Friedrich-Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, 8Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany, 9Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Bayern, Germany, 10Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, 11Department Internal Medicine III, Friedrich-Alexander-University (FAU) Erlangen-Nurnber, Frankfurt, Germany

    Background/Purpose: CD19-targeting CAR T cells showed remarkable improvements of modified Rodnan skin score in SSc patients within 6 months after treatment and stable reduction afterwards…
  • Abstract Number: 1751 • ACR Convergence 2024

    Precision Targeting of Autoreactive 9G4 B Cells in Systemic Lupus Erythematosus Using Engineered Chimeric Antigen Receptor (CAR)- and Chimeric T Cell Receptor (cTCR)-T Cells

    Jin Liu1, Brian Mog1, Yuanxuan Xia1, Elana Shaw1, Alexander Pearlman1, Dylan Ferris1, Kyle J. Kaeo1, Colin Gliech1, Tolulope Awosika1, Brock Moritz1, Tushar Nichakawade1, Yang Li1, Stephanie Glavaris1, Sarah DiNapoli1, Nikita Marcou1, Taha Ahmedna1, Victoria Duarte Alvarado1, Denis Wirtz1, Regina Bugrovsky2, Scott A. Jenks2, Iñaki Sanz3, Daniel Goldman4, Michelle Petri4, Chetan Bettegowda1, Suman Paul1, Kenneth W. Kinzler1, Shibin Zhou1, Felipe Andrade5, Bert Vogelstein1 and Maximilian F. Konig1, 1The Johns Hopkins University School of Medicine, Baltimore, MD, 2Emory University School of Medicine, Atlanta, GA, 3Emory University School of Medicine, Atlanta, 4Johns Hopkins University School of Medicine, Timonium, MD, 5The Johns Hopkins University School of Medicine, Timonium, MD

    Background/Purpose: The autoreactive B cell compartment in systemic lupus erythematosus (SLE) is characterized by expansion of B cells expressing immunoglobulin heavy variable gene 4-34 (IGHV4-34)…
  • Abstract Number: 0016 • ACR Convergence 2024

    Establishment of a Human 3D In-Vitro Lymphoid Model to Evaluate Germinal Center Biology

    Lichchavi Rajasinghe1, Govinda Rocky Thomas,2, Jee Ho Lee1, Gary Sims1 and Tatiana Ort1, 1Immunology Biosciences, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 2AstraZeneca Pharmaceuticals, Gaithersburg, MD

    Background/Purpose: Germinal centers (GC) are specialized lymphoid structures found within the B cell follicles of secondary lymphoid tissue formed following infection or immunization. They are…
  • Abstract Number: 0837 • ACR Convergence 2024

    Bispecific Autoantigen-T Cell Engagers (BaiTE) to Selectively Target Autoreactive B Cells in Antiphospholipid Syndrome

    Yuanxuan Xia1, Jin Liu1, Alexander Pearlman1, Brian Mog1, Elana Shaw1, Kyle J. Kaeo1, Colin Gliech1, Brock Moritz1, Tolulope Awosika1, Sarah DiNapoli1, Stephanie Glavaris1, Jiaxin Ge1, Tushar Nichakawade1, Nikita Marcou1, Suman Paul1, Drew Pardoll1, Chetan Bettegowda1, Daniel Goldman2, Michelle Petri2, Antony Rosen1, Kenneth W. Kinzler1, Shibin Zhou1, Bert Vogelstein1 and Maximilian F. Konig1, 1The Johns Hopkins University School of Medicine, Baltimore, MD, 2Johns Hopkins University School of Medicine, Timonium, MD

    Background/Purpose: Available drugs to treat autoimmune diseases are indiscriminate, suppressing self-reactive and protective immune responses alike. This lack of therapeutic precision results in infection and…
  • Abstract Number: 1752 • ACR Convergence 2024

    T Cell-Engaging Bispecific Antibodies to Target Autoreactive 9G4 Idiotope B Cells in Systemic Lupus Erythematosus

    Jin Liu1, Yuanxuan Xia1, Dylan Ferris1, Elana Shaw1, Brian Mog1, Alexander Pearlman1, Brock Moritz1, Kyle J. Kaeo1, Colin Gliech1, Tolulope Awosika1, Sarah DiNapoli1, Tushar Nichakawade1, Yang Li1, Jiaxin Ge1, Stephanie Glavaris1, Nikita Marcou1, Taha Ahmedna1, Regina Bugrovsky2, Scott A. Jenks2, Chetan Bettegowda1, Daniel Goldman3, Michelle Petri3, Iñaki Sanz4, Kenneth W. Kinzler1, Shibin Zhou1, Bert Vogelstein1, Suman Paul1, Felipe Andrade5 and Maximilian F. Konig1, 1The Johns Hopkins University School of Medicine, Baltimore, MD, 2Emory University School of Medicine, Atlanta, GA, 3Johns Hopkins University School of Medicine, Timonium, MD, 4Emory University School of Medicine, Atlanta, 5The Johns Hopkins University School of Medicine, Timonium, MD

    Background/Purpose: Chimeric antigen receptor (CAR)-T-cell therapies hold promise for systemic lupus erythematosus (SLE) but are critically limited by scalability and long-term safety (e.g., risk of…
  • Abstract Number: 0018 • ACR Convergence 2024

    Preclinical Analysisof CB-010, an Allogeneic anti-CD19CAR-T Cell Therapywith a PD-1 Knockout, for the Treatment of Patients with Refractory Systemic Lupus Erythematosus (SLE)

    Elizabeth Garner, George Kwong, Tristan W Fowler, Heinrich Kufeldt, Brian Kerfs, Julie Kim, Art Aviles, Lynne Alexander, Franco Davi, Chris Holland, Jean-Yves Maziere, Ashraf Garrett, Mara Bryan, Linh Chu, Sarbani Bhaduri, Michele Gerber, Elaine Alambra, Justin Skoble, Tom Kochy, Tonia Nesheiwat, Socorro Portella, Enrique Zudaire and Steven B Kanner, Caribou Biosciences, Berkeley, CA

    Background/Purpose: Autologous CD19-directed CAR-T cell therapy has been shown to eradicate aberrant B cells leading to durable clinical responses in SLE patients (Müller 2024; Wang 2024). However, autologous CAR-T cell…
  • Abstract Number: 0876 • ACR Convergence 2024

    C-CAR168 as a Novel Anti-CD20/BCMA Bispecific Autologous CAR-T Therapy for the Treatment of Autoimmune Diseases

    jiaqi Huang1, Xin Yao1, Xiaobing Luo1, Xiaoteng Lv2, Yutian Wei2, Michael Patrick1, Fei Wang2, Yi Hong2 and Yihong Yao1, 1AbelZeta Inc., Rockville, MD, 2AbelZeta Inc., Shanghai, China (People's Republic)

    Background/Purpose: B cells are pivotal in autoimmune disease pathogenesis as they produce autoantibodies and undergo aberrant maturation processes, and B-cell dysregulation and the production of…
  • Abstract Number: 1753 • ACR Convergence 2024

    A Phase 1, Multicenter, Open-Label Study to Establish the Preliminary Tolerability, Efficacy, Pharmacokinetics, and Pharmacodynamics of CC-97540 (BMS-986353), a CD19-directed CAR T Cell Therapy Manufactured Using a Next-generation Process, for Severe, Refractory Autoimmune Diseases

    Georg Schett1, Emily Littlejohn2, Neil Kramer3, Amit Saxena4, Philip Mease5, Margrit Wiesendanger6, Fabian Müller7, Ran Reshef8, Paolo Caimi9, Mohamad Cherry10, Jingmei Hsu4, Krish Patel11, Jacques Azzi6, Susana Falcon12, Thomas Ly13, Ken Ogasawara12, Sharmila Das12, Jerill Thorpe14, Michael Maldonado12, Giuseppina Stifano12, Ashley Koegel12 and Anca Askanase15, 1Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, 2Cleveland Clinic, Cleveland, OH, 3Atlantic Medical Group, Atlantic Health System, Morristown, NJ, 4NYU Grossman School of Medicine, New York, NY, 5Swedish Medical Center/Providence St. Joseph Health; University of Washington School of Medicine, Seattle, WA, 6Icahn School of Medicine at Mount Sinai, New York, NY, 7Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, 8Columbia University Irving Medical Center, New York, NY, 9Cleveland Clinic Taussig Cancer Institute, Cleveland, OH, 10Atlantic Health System, Morristown, NJ, 11Center for Blood Disorders and Cellular Therapy, Swedish Cancer Institute, Seattle, WA, 12Bristol Myers Squibb, Princeton, NJ, 13Bristol Myers Squibb, San Diego, CA, 14Bristol Myers Squibb, Seattle, WA, 15Columbia University Medical Center, New York, NY

    Background/Purpose: CD19 is an appealing therapeutic target due to its ubiquitous expression on B cells and plasmablasts, which play a key role in the pathogenesis…
  • Abstract Number: 0019 • ACR Convergence 2024

    A Novel Product Candidate (CPTX2309) for In Vivo mRNA Engineering of Anti-CD19 CAR T Cells Utilizing Novel CD8-Targeted Lipid Nanoparticles

    Theresa Hunter1, Ferran Soldevila1, Yan Zhang1, Brittany Ross1, Daiki Matsuda1, Yanjie Bao1, John Li1, Michelle Nguyen1, Matthew Butcher1, MIchael Pica1, Claudia Fernandez1, James Vestal1, Goutam Mondal1, Yi Kuo1, Jeffrey Chen1, Josephine Nguyen2, Young Yoon Choi2, Diana Galvan1, Duy Nguyen1, Donald Jhung2, Stuart Sievers1, Steven Tanis1, Cory Bentley2, Michael Rosenzweig1, Priya Karmali1, Adrian Bot1, Haig Aghajanian1 and Gregor Adams1, 1Capstan Therapeutics, San Diego, CA, 2Capstan Therapeutics, San Diego

    Background/Purpose: Ex vivo chimeric antigen receptor (CAR) T cell therapies have revolutionized cancer treatment and are demonstrating clinical efficacy in various autoimmune disease indications. Despite…
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All abstracts accepted to ACR Convergence are under media embargo once the ACR has notified presenters of their abstract’s acceptance. They may be presented at other meetings or published as manuscripts after this time but should not be discussed in non-scholarly venues or outlets. The following embargo policies are strictly enforced by the ACR.

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