Abstracts tagged "B-Cell Targets"

Abstract Number: 2476 • ACR Convergence 2025
Blinatumomab in rapid progressive systemic sclerosis
Christina Gebhardt¹, Franziska Szelinski², Hector Rincon-Arevalo², Giulia Magno³, Veit Buecklein³, Gerulf Haenel⁴, Gerhard Zugmaier⁵, Michael von Bergwelt³, Marion Subklewe³, Thomas Dörner⁶, Alla Skapenko⁷ and Hendrik Schulze-Koops⁷, ¹LMU Hospital, Division for Rheumatology and Clinical Immunology, München, Germany, ²Charite Universitétsmedizin Berlin, Germany, Berlin, Germany, ³LMU Klinikum, Med. Klinik und Poliklinik III, Munich, Germany, ⁴LMU Gene Center, Munich, Germany, ⁵Amgen, Munich, Germany, ⁶Charite Universitétsmedizin Berlin, Germany and DRFZ, Berlin, Berlin, Germany, ⁷LMU Hospital, Division for Rheumatology and Clinical Immunology, Munich, Bayern, Germany
Background/Purpose: Systemic sclerosis is a severe, potentially fatal disease, characterized by progressive fibrosis of skin and internal organs. Blinatumomab is a bispecific CD3/CD19-T-cell engager (BiTe)…
Abstract Number: 0015 • ACR Convergence 2025
CDR111 is a novel CD19 and BCMA dual-targeting T cell engager (TCE) for the treatment of severe and refractory autoimmune diseases
Philipp Richle, Stephanie Jungmichel, Alessio Vantellini, André Fonseca, Anna Howald, Fabian Scheifele, Loredana iuliano, Ariadna Vilarrasa, Romina Doerig, Hannes Merten, Philip Knobel, Daniel Lenherr-Frey, Christian Leisner and Leonardo Borras, CDR-Life, Horgen, Zurich, Switzerland
Background/Purpose: B cells and plasma cells are central to the pathogenesis of many autoimmune diseases. While B cell depletion therapies (BCDTs), such as anti-CD20 monoclonal…
Abstract Number: 0897 • ACR Convergence 2025
APECED Disease Reorganizes The B Cell Compartment Toward Alternatively Activated Subsets
william Galbavy, Hyunjin Kim, Brian Klotz, Marine Malbec, Carley Tasker, Eva Conde, Andrea Vecchione, Seblewongel Asrat, Benjamin Daniel, Weikeat Lim, Andre Limnander and Jamie Orengo, Regeneron, Tarrytown, NY
Background/Purpose: Autoimmune PolyEndocrinopathy Candidiasis Ectodermal Dystrophy (APECED) is a rare syndrome of multi-organ autoimmunity driven by the presence of self-reactive T cells and autoantibodies caused…
Abstract Number: 1163 • ACR Convergence 2025
Clinical and Biomarker Characteristics of Inebilizumab-Treated Participants Who Experienced an IgG4-RD Flare During the Phase 3 MITIGATE Trial
John Stone¹, Emma Culver², Arezou Khosroshahi³, Wen Zhang⁴, Emanuel Della Torre⁵, Kazuichi Okazaki⁶, Yoshiya Tanaka⁷, Matthias Lohr⁸, nicolas schleinitz⁹, Fernando Martinez-Valle¹⁰, Manu Nayar¹¹, Vinciane Rebours¹², Cory Perugino¹³, Kristen Clarkson¹⁴, Theresa Alexander¹⁴, Xinxin Dong¹⁴, Qian Huang¹⁴, Sue Cheng¹⁴ and Daniel Cimbora¹⁴, ¹Massachusetts General Hospital , Harvard Medical School, Concord, MA, ²John Radcliffe Hospital; University of Oxford, Oxford, United Kingdom, ³Emory University, Atlanta, GA, ⁴Peking Union Medical College Hospital, Dong Cheng Qu, China (People's Republic), ⁵IRCCS San Raffaele Scientific Institute, Milan, Italy, ⁶Kansai Medical University Kori Hospital, Osaka, Japan, ⁷University of Occupational and Environmental Health, Japan, Kitakyushu, Japan, ⁸Karolinska Institutet, Stockholm, Sweden, ⁹Aix Marseille university, AP-HM, Marseille, France, ¹⁰Vall d’Hebron Hospital, Barcelona, Spain, ¹¹Freeman Hospital, Newcastle upon Tyne, United Kingdom, ¹²Beaujon Hospital, AP-HP, Université Paris-Cité, Clichy, France, ¹³Massachusetts General Hospital, Harvard Medical School, Boston, MA, ¹⁴Amgen, Thousand Oaks, CA
Background/Purpose: IgG4-RD is a rare, chronic, fibroinflammatory disorder characterized by recurrent flares that can affect any organ and lead to permanent tissue damage. Inebilizumab (INEB)…
Abstract Number: 1766 • ACR Convergence 2025
Clinical Impact of Incomplete B-cell Depletion in ANCA-Associated Vasculitis Patients Receiving Maintenance Rituximab Therapy: a Retrospective Study
caterina ricordi¹, Maxime Beydon², Johanne Liberatore³, Pascal Cohen⁴, bertrand Dunogue⁵, Camille Mettler⁶, Benjamin Torreau⁷, Luc Mouthon⁵, Xavier Puéchal⁸ and Benjamin Terrier⁹, ¹Unit of Rheumatology, Azienda USL - IRCCS di Reggio Emilia, and University of Modena and Reggio Emilia, Reggio Emilia, Italy, ²Sorbonne University, INSERM, Institut Pierre Louis of Epidemiology and Public Health, Equipe PEPITES, Pitié Salpêtrière Hospital, Service of Public Health, Centre of Pharmacoepidemiology (Cephepi), Paris, France, ³Department of Internal Medicine, Centre Hospitalier d’Angouleme, Angouleme, France, ⁴Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Hospital Cochin, Paris, France, ⁵Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Cochin University Hospital, Université Paris Cité, AP-HP, Paris, France, ⁶Department of Internal Medicine, Hôpital Bichat - Claude-Bernard, Paris, France, ⁷Internal Medicine and Immunology, CHU Tours, Tours, France, ⁸Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Hospital Cochin, and Université Paris Cité, Paris ( ⁷⁵⁰¹⁴ ), Ile-de-France, France, ⁹Cochin Hospital, Paris, France
Background/Purpose: Rituximab (RTX) is the standard of care for both induction and maintenance in ANCA-associated vasculitides (AAVs). While CD19 B-cell monitoring is used to evaluate…
Abstract Number: 2488 • ACR Convergence 2025
Efficacy and Safety of Rituximab for Skin Involvement in Systemic Sclerosis: A Single-Center Study
Kanako Chujo¹, Taichi Miyagi¹, Hiromi Shimada², Shusaku Nakashima², Yusuke Ushio¹, Koichi Sugihara², Mao Mizusaki², Naoto Manabe¹, Mayuko Wada², Risa Wakiya³ and Hiroaki Dobashi², ¹Division of Hematology, Rheumatology and Respiratory Medicine, Department of Internal Medicine, Faculty of Medicine, Kagawa University, Miki-cho, Kita-gun, Japan, ²Division of Hematology, Rheumatology and Respiratory Medicine, Department of Internal Medicine, Faculty of Medicine, Kagawa University, Miki-cho, Kita-gun, Kagawa, Japan, ³Division of Rheumatology, Departent of Internal Medicine, Toho University School of Medicine, Tokyo, Japan
Background/Purpose: Rituximab (RTX) was approved in Japan as a new treatment strategy for systemic sclerosis (SSc). Intravenous rituximab (375mg/m2) is administered once a week for…
Abstract Number: 0018 • ACR Convergence 2025
Development of a noval ‘1+1+1’ CD19- and BCMA-dual targeted T cell engager for autoimmune diseases
Lin Huan, Hao Ran, Shiyi Wang, Xiaoping Zhang, Bing Yang, Yang He, Dandan Liu, Chenpeng Su, Chuan Chen, Xiaoqian Chen, Kezhen Ye, Liang Tian, Jian Peng and Zhenping Zhu, Helixon Therapeutics, New York
Background/Purpose: B cells and autoantibodies play a central role in the pathogenesis of various autoimmune diseases. Although CD19-targeted B cell depletion shows promising therapeutic potential,…
Abstract Number: 0903 • ACR Convergence 2025
Ianalumab‘s dual mode of action: targeting B cells through enhanced B cell depletion and blockade of B cell-activating factor receptor signaling
Catherine Wioland¹, Corinne Vedrine², Caroline Walter¹, Fanny Marque², Thomas Dannequin², Melanie Cecci¹, David Buffet¹, Cindy Schmid¹, Elena Degl'Innocenti¹, Gautier Robert¹, Grazyna Wieczorek¹, David Schubert¹, Catriona Paape¹ and Isabelle Isnardi³, ¹Novartis Pharma AG, Basel, Switzerland, ²Novartis Pharma AG, Basel, Basel-Stadt, Switzerland, ³Novartis, Gueberschwihr, France
Background/Purpose: B cells are key players in the pathogenesis of Sjögren’s disease (SjD) and other systemic auto-immune diseases, supporting B cell depletion as an attractive…
Abstract Number: 1172 • ACR Convergence 2025
A Phase II, Single-Site, Open-Label Study of Zanubrutinib in Patients with IgG4-Related Disease
Matthew Charles Baker¹, Audra Horomanski², Robert Fairchild³, Yuhan Liu³, Mariani Diaz Deluna³, Tobias Lanz⁴, Saurabh Gawde³, Mehdi Khalighi³, Benjamin Franc³, Mrudula Penta³, Nancy Pham³ and Kip Guja³, ¹Stanford University, Menlo Park, CA, ²Stanford University, Palo Alto, CA, ³Stanford University, Stanford, CA, ⁴Stanford University, Stanford
Background/Purpose: IgG4-related disease (IgG4-RD) is a chronic, systemic, immune-mediated disease that is commonly treated with B cell depletion. However, due to potential risks associated with…
Abstract Number: 1837 • ACR Convergence 2025
Enhanced Mitochondrial Activity in B cells from Females Is Required to Drive Increased T-bet Induction by TLR7 in Lupus
John D. Mountz¹, Kathryn Sullivan², Shanrun Liu², Cynthia Liu², Min Gao², Walter Winn Chatham³, Tanecia Mitchell² and Hui-Chen Hsu², ¹University Alabama Birmingham, Birmingham, AL, ²University of Alabama at Birmingham, Birmingham, AL, ³University of Nevada, Las Vegas, Las Vegas, NV
Background/Purpose: Systemic lupus erythematosus (SLE) is a predominantly female autoimmune disease, with a 9:1 female-to-male ratio. Our previous studies indicated that increased T-bet+ age-related B…
Abstract Number: 2573 • ACR Convergence 2025
Impaired Humoral Response to Recombinant Herpes Zoster Vaccine in Rituximab Treated Autoimmune Rheumatic Diseases Patients: A Prospective Controlled Phase 4 Study
Nadia Emi Aikawa¹, Henrique Dalmolin², Sandra G Pasoto³, Ana C Medeiros-Ribeiro³, Luciana Parente Costa Seguro⁴, Emily Figueiredo Neves Yuki⁵, Carlos Emilio Insfran Echauri³, Clovis Artur Silva⁶ and Eloisa Bonfa⁴, ¹Rheumatology Division and Pediatric Rheumatology Unit, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil, Sao Paulo, São Paulo, Brazil, ²Santa Casa de Sao Paulo and Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil, São Paulo, Brazil, ³Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil, Sao Paulo, Brazil, ⁴Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil, São Paulo, Brazil, ⁵Faculdade de Medicina da USP, São Paulo, São Paulo, Brazil, ⁶University of São Paulo, São Paulo, São Paulo, Brazil
Background/Purpose: Patients with autoimmune rheumatic diseases (ARDs) are at increased risk for herpes zoster (HZ), especially those treated with B-cell depleting agents. Although the recombinant…
Abstract Number: L17 • ACR Convergence 2024
Allogenic CD19 CAR NK Cells Therapy in Refractory Systemic Lupus Erythematosus: An Open-label, Single Arm, Prospective and Interventional Clinical Trial
Yiyi Yu¹, Ruina Kong¹, Xia Xu¹, Suxuan Liu¹, Qian Chen¹, Xiaofang Li², Ming Sun², Jianmin Yang¹, Dongbao Zhao¹ and Jie Gao¹, ¹Changhai Hospital, Shanghai, China, ²Rui Therapeutics, Nanjing, China
Background/Purpose: Treatment of systemic lupus erythematosus (SLE) typically necessitates long-term immunosuppression with hormones, immunosuppressants and biologics. CD19-targeting chimeric antigen receptor (CAR) T cells have shown excellent…
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…
Abstract Number: 1749 • ACR Convergence 2024
Safety and Long-term Efficacy of CD19-CAR T-cell Therapy in 30 Patients with Autoimmune Disease
Melanie Hagen¹, Fabian Müller², Andreas Wirsching¹, Carlo Tur¹, Tobias Krickau³, Markus Metzler⁴, Laura Bucci¹, Christina Bergmann⁵, Janina Auth¹, Jule Taubmann⁶, Panagiotis Garantziotis⁷, Sebastian Boeltz⁸, Soraya Kharboutli⁹, Silvia Spoerl⁹, Simon Völkl¹⁰, Michael Aigner⁹, Sascha Kretschmann⁹, Ingrid Vasova⁹, Andreas MAckensen¹¹, Ricardo Grieshaber-Bouyer⁸ and Georg Schett¹², ¹Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, ²Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, ³Department of Pediatrics and Adolscent Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Bayern, Germany, ⁴Department of Pediatrics and Adolscent Medicine, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany, ⁵Department Internal Medicine III, Friedrich-Alexander-University (FAU) Erlangen-Nurnber, Frankfurt, Germany, ⁶Friedrich-Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, ⁷Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, Erlangen, Germany, ⁸Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, ⁹Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany, ¹⁰Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Bayern, Germany, ¹¹Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Bayern, Germany, ¹²Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
Background/Purpose: Treating autoimmune diseases like Systemic Lupus erythematosus (SLE), Idiopathic Inflammatory Myositis (IIM) or Systemic Sclerosis (SSc) is challenging and often requires life-long immunosuppressive therapy.…

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