Abstracts tagged "Myositis"

Abstract Number: L06 • ACR Convergence 2024
Distinct Cytokine and Cytokine Receptor Expression Patterns Characterize Different Subtypes of Inflammatory Myopathies
Raphael Kirou¹, Iago Pinal-Fernandez¹ and Andrew Mammen², ¹NIAMS/National Institutes of Health, Bethesda, MD, ²NIH, Bethesda, MD
Background/Purpose: Myositis is a term for a heterogeneous group of inflammatory myopathies, each with characteristic clinical manifestations, histopathological features, and autoantibodies, including myositis-specific autoantibodies (MSAs).…
Abstract Number: L07 • ACR Convergence 2024
The Classification Criteria for Anti-Synthetase Syndrome (Class) Project
Giovanni Zanframundo¹, Sara Faghihi Kashani², Akira Yoshida³, Eduardo Dourado⁴, Iazsmin Bauer Ventura⁵, Daphne Rivero Gallegos⁶, Aravinthan Loganathan⁷, Gianluca Sambataro⁸, Francisca Bozan⁹, Sangmee Bae¹⁰, Darosa Lim¹¹, Marta Cheli¹², Yasuhiko Yamano¹³, Francesco Bonella¹⁴, Tamera Corte¹⁵, Tracy J. Doyle¹⁶, David Fiorentino¹⁷, Miguel Gonzalez-Gay¹⁸, Marie Hudson¹⁹, Masataka Kuwana²⁰, Ingrid Lundberg²¹, Andrew Mammen²², Neil McHugh²³, Frederick Miller²⁴, Carlomaurizio Montecucco¹, Chester Oddis²⁵, Jorge Rojas-Serrano⁶, Jens Schmidt²⁶, Carlo Alberto Scirè²⁷, Albert Selva-O'Callaghan²⁸, Victoria Werth¹¹, Davide Rozza²⁹, Monica Morosini³⁰, Sara Bozzini³⁰, Lorenzo Cavagna¹, Rohit Aggarwal²⁵ and the CLASS project investigators, ¹Università di Pavia, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy, ²University of Pittsburgh School of Medicine, Pittsburgh, PA, USA and University of California, San Francisco, CA, ³Nippon Medical School Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, ⁴Unidade Local de Saùde da Regiao de Aveiro and Aveiro Rheumatology Research Centre, Aveiro, Portugal; Universidade de Lisboa, Lisboa, Portugal, ⁵University of Chicago, Chicago, IL, ⁶Instituto Nacional de Enfermedades Respiratorias, Ismael Cosío Villegas, Mexico City, Mexico, ⁷Royal National Hospital for Rheumatic Diseases and University of Bath, UK; Arthritis Australia, Broadway, Glebe, NSW, Australia, ⁸University of Enna "Kore", Enna, Italy, ⁹Hospital Clinico Universidad de Chile, Santiago de Chile, Chile, ¹⁰UCLA, Los Angeles, CA, ¹¹University of Pennsylvania, Philadelphia, PA, ¹²Fondazione IRCCS Istituto Neurologico C. Besta, Milano, Italy, ¹³Tosei General Hospital, Aichi, Japan, ¹⁴University of Duisburg-Essen, Essen, Germany, ¹⁵Royal Prince Alfred Hospital and University of Sydney, Sydney, Australia, ¹⁶Brigham and Women's Hospital, Boston, MA, ¹⁷Stanford University, Redwood City, CA, ¹⁸IIS-Fundación Jiménez Díaz, Madrid, Spain, ¹⁹McGill University, Montreal, QC, Canada, ²⁰Nippon Medical School Graduate School of Medicine, Tokyo, Japan, ²¹Karolinska Institutet, Stockholm, Sweden, ²²NIH, Bethesda, MD, ²³University of Bath, Bath, United Kingdom, ²⁴NIH, NIEHS, Durham, NC, ²⁵University of Pittsburgh, Pittsburgh, PA, ²⁶University Medical Center Goettingen, Goettingen, Germany, ²⁷Univeristy of Milano Bicocca, Milan, Italy and IRCCS San Gerardo dei Tintori Foundation, Monza, Italy, ²⁸Hospital Universitari Vall d'Hebron, Barcelona, Spain, ²⁹Italian Society for Rheumatology, Milano, Italy, ³⁰Fondazione IRCCS Policlinico San Matteo Hospital of Pavia, Pavia, Italy
Background/Purpose: The aim of this study was to develop and validate new classification criteria for Anti-Synthetase Syndrome (ASSD) using data and consensus driven methodologies and…
Abstract Number: 0330 • ACR Convergence 2024
Baseline Interstitial Lung Disease (ILD) Characteristics and Outcomes in Patients with Anti-synthetase Syndrome Related ILD (ASSD-ILD): Analysis from the “Classification Criteria for Anti-synthetase Syndrome (CLASS)” Project Database
Francisca Bozan¹, Sangmee Bae², Daphne Rivero Gallegos³, Giovanni Zanframundo⁴, Sara Faghihi-Kashani⁵, Iazsmin Bauer Ventura⁶, Eduardo Dourado⁷, Darosa Lim⁸, Aravinthan Loganathan⁹, Gianluca sambataro¹⁰, Akira Yoshida¹¹, Francesco Bonella¹², Tamera J Corte¹³, Tracy J Doyle¹⁴, david fiorentino¹⁵, Miguel Angel Gonzalez-Gay¹⁶, marie Hudson¹⁷, Masataka Kuwana¹⁸, Antonella Notarnicola¹⁹, Andrew Mammen²⁰, Neil McHugh²¹, Frederick Miller²², Carlomaurizio Montecucco²³, Chester Oddis²⁴, Jorge Rojas-Serrano²⁵, Jens Schmidt²⁶, Carlo A. Scire²⁷, Ana Villar²⁸, Victoria Werth²⁹, Rohit Aggarwal³⁰ and Lorenzo Cavagna³¹, ¹Hospital Clinico Universidad de Chile, Santiago, Chile, ²UCLA, Los Angeles, CA, ³INER, Ciudad de México, Mexico State, Mexico, ⁴Università di Pavia, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy, Milano, Italy, ⁵Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, San Francisco, CA, ⁶University of Chicago, Chicago, IL, ⁷Unidade Local de Saúde da Região de Aveiro, Aveiro, Portugal, ⁸University of Pennsylvania, Philadelphia, PA, ⁹RUH, Middle Park, Queensland, Australia, ¹⁰University of Catania, Catania, Italy, ¹¹Nippon Medical School Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, ¹²Center for interstitial and rare lung diseases, Ruhrlandklinik, University of Duisburg-Essen, Essen, Germany, ¹³Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia, ¹⁴Brigham and Women's Hospital, West Roxbury, MA, ¹⁵Department of Dermatology, Stanford University School of Medicine, Stanford, CA, Palo Alto, CA, ¹⁶University of Cantabria, Fundación Jimenez Díaz, Madrid, Madrid, Spain, ¹⁷McGill University, Montreal, QC, Canada, ¹⁸Department of Allergy and Rheumatology, Nippon Medical School, Tokyo, Japan, Tokyo, Japan, ¹⁹Karolinska University Hospital and Karolinska Institutet, Stockholm, Stockholms Lan, Sweden, ²⁰NIH, Bethesda, MD, ²¹University of Bath, Bath, United Kingdom, ²²NIH, NIEHS, Chapel Hill, NC, ²³IRCCS policlinico S. Matteo foundation, University of Pavia, Pavia, Italy, ²⁴Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, ²⁵National Institute of Respiratory Diseases, Ismael Cosío Villegas, Mexico City, Mexico, ²⁶University Medical Center Goettingen, Göttingen, Germany, ²⁷University of Milano Bicocca, Milan, Italy, ²⁸Systemic Autoimmune Diseases Unit, Internal Medicine Department, Vall d'Hebron University Hospital, Universitat Autònoma of Barcelona, Barcelona, Spain, Barcelona, Spain, ²⁹University of Pennsylvania, Wynnewood, PA, ³⁰Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA, Pittsburgh, PA, ³¹University of Pavia and Fondazione IRCCS Policlinico San Matteo Hospital of Pavia, Pavia, Pavia, Italy
Background/Purpose: Anti-synthetase syndrome (ASSD) is a systemic autoimmune rheumatic disorder with significant heterogeneity. ILD is the most common cause of mortality and an important prognostic…
Abstract Number: 1139 • ACR Convergence 2024
Comprehensive Single-cell Profiling of Diverse Circulating Immune Cells in Idiopathic Inflammatory Myopathies Identifies a Novel Pathogenic Subset of Monocytes
Shinji Izuka¹, Toshihiko Komai², Hayato Yuuki², Ikuko Ueda³, Manabu Fujimoto⁴, Hiroyuki Fukui⁵, Masaru Takeshita⁶, Natsuka Umezawa⁷, Shinsuke Yasuda⁷, Mitsutaka Yasuda⁸, Yuichiro Fujieda⁹, Tatsuya Atsumi⁹, Takeshi Iwasaki¹⁰, Akio Morinobu¹⁰, Yuya Kondo¹¹, Isao Matsumoto¹¹, Toshio Kawamoto¹², Masakazu Matsushita¹², Naoto Tamura¹³, Taro Iwamoto¹⁴, Hiroshi Nakajima¹⁴, Ken Yoshida¹⁵, Takeo Isozaki¹⁶, Nobuyuki Yajima¹⁶, Keiichi Sakurai¹⁷, Kimito Kawahata¹⁷, Yasuyuki Kamata¹⁸, Kojiro Sato¹⁸, Yoshiya Tanaka¹⁹, Akari Suzuki²⁰, Kazuhiko Yamamoto²¹, Tomohisa Okamura²² and Keishi Fujio², ¹Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan., Tokyo, Japan, ²Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan., Bunkyo, Tokyo, Japan, ³Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan., Suita, Japan, ⁴Department of Dermatology, Osaka University Graduate School of Medicine, Suita, Japan., Suita, Osaka, Japan, ⁵Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan., Tokyo, Japan, ⁶Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan, ⁷Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan., Tokyo, Japan, ⁸Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan., Sapporo, Japan, ⁹Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, Sapporo, Japan, ¹⁰Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan., Kyoto, Japan, ¹¹Department of Rheumatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan., Tsukuba, Japan, ¹²Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan., Tokyo, Japan, ¹³Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan, ¹⁴Department of Allergy and Clinical Immunology, Chiba University Hospital, Chiba, Japan., Chiba, Japan, ¹⁵Division of Rheumatology, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan., Tokyo, Japan, ¹⁶Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan., Tokyo, Japan, ¹⁷Division of Rheumatology and Allergology, Department of Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan., Kawasaki, Japan, ¹⁸Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University, Tochigi, Japan., Tochigi, Japan, ¹⁹Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Fukuoka, Japan, ²⁰Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan., Kanagawa, Japan, ²¹Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan., Laboratory for Autoimmune Diseases, RIKEN Center for Integrative Medical Sciences, Yokohama, Kanagawa, Japan., Kawasaki, Japan, ²²Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan., Department of Functional Genomics and Immunological Diseases, Graduate School of Medicine, The University of Tokyo, Japan., Bunkyo, Tokyo, Japan
Background/Purpose: Idiopathic inflammatory myopathies (IIMs) are heterogeneous diseases, making it crucial to identify distinct pathological processes to improve a treatment strategy. Transcriptomic analyses have revealed…
Abstract Number: 1161 • ACR Convergence 2024
Characterization of the Clinical Presentation of Idiopathic Inflammatory Myopathies According to the Profile of Specific Autoantibodies with Multiple Positivity
Adriana Miguel-Álvarez¹, luis M Amezcua Guerra², María L Loredo-Mendoza¹, Luis H. Silveira Torre³ and Angélica Vargas Guerrero⁴, ¹Instituto Nacional de Cardiología "Ignacio Chávez", México, Distrito Federal, Mexico, ²Department of Immunology, Instituto Nacional de Cardiología Ignacio Chávez., México, Mexico, ³Department of Rheumatology , Instituto Nacional de Cardiología Ignacio Chávez., Mexico City, Mexico, ⁴Department of Rheumatology , Instituto Nacional de Cardiología Ignacio Chávez., México, Mexico
Background/Purpose: The aim of this study is to assess if there are clinical and serological differences in patients with idiopathic inflammatory myopathies (IIM) according to…
Abstract Number: 1731 • ACR Convergence 2024
Baricitinib in the Treatment of Adult Idiopathic Inflammatory Myopathy: A Randomized, Treatment Delayed-Start Clinical Trial
hector Chinoy¹, Ashma Krishan¹, Yvonne Sylvestre¹, James Lilleker², Patrick Gordon³, Sarah Tansley⁴, Athiveeraramapandian Prabu⁵, Aamir Aslam⁶, Andrew Snedden⁷ and Janine Lamb⁸, ¹The University of Manchester, Manchester, United Kingdom, ²Northern Care Alliance NHS Trust, Salford, United Kingdom, ³nhs, London, United Kingdom, ⁴University of Bath, Bath, United Kingdom, ⁵Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom, ⁶Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, ⁷Northern Care Alliance NHS Foundation Trust, Salford, United Kingdom, ⁸University of Manchester, UK, Manchester, United Kingdom
Background/Purpose: The aim of the study was to assess the effects of baricitinib, a JAK1/2 inhibitor, following 24 weeks of active treatment on disease activity…
Abstract Number: 2073 • ACR Convergence 2024
Ultrasound Findings of Activity in Patients with Inflammatory Myopathies and Clinical and Laboratory Comparison
Carina Soto-Fajardo¹, Alejandra Espinosa-Orantes², Alejandra Enríquez-Luna³, Fabian Carranza Enriquez⁴, Tabata Cano-Gamez³, Ana Mora-Rosas⁵, Rosa Elena Cervantes-Ramirez⁵, Karen Contreras-Castillo⁵, Jiram Torres Ruiz⁶, Diana Gómez-Martin⁷ and Carlos Pineda⁸, ¹Instituto Nacional de Rehabilitacion "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico, ²Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Ciudad de México, Mexico, ³Instituto Nacional de Rehabilitacion, Mexico, Distrito Federal, Mexico, ⁴Instituto Nacional de Rehabilitación \"Luis Guillermo Ibarra Ibarra\", Ciudad de México, Mexico, ⁵Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Mexico, Distrito Federal, Mexico, ⁶INCMNSZ, Mexico, Federal District, Mexico, ⁷INCMNSZ, Mexico, Distrito Federal, Mexico, ⁸Instituto Nacional de Rehabilitacion, Mexico City, Distrito Federal, Mexico
Background/Purpose: Muscle ultrasound (MUS) is a non-invasive tool that may explore the extent of muscle abnormalities and contribute to early diagnosis and follow-up of patients…
Abstract Number: 2665 • ACR Convergence 2024
Autoantibody Titers Against Specific Epitope Peptides Predict Treatment Resistance in Interstitial Lung Disease Associated with Anti-MDA5 Dermatomyositis
Tsuneo Sasai¹, Ran Nakashima¹, Atsubumi Ogawa², Motohiro Nonaka², Norimichi Nomura², Yasuhiro Nohda², Mirei Shirakashi³, Ryosuke Hiwa², Hideaki Tsuji¹, Shuji Akizuki⁴, Hajime Yoshifuji¹, Tsuneyo Mimori⁵ and Akio Morinobu⁶, ¹Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, Japan, ²Kyoto University, Kyoto, Japan, ³Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto, ⁴Department of Rheumatology and Clinical Immunology, Kyoto University Graduate School of Medicine, Kyoto City, Japan, ⁵Takeda Clinic for Rheumatic Diseases, Kyoto, Japan, ⁶Department of Rheumatology and Clinical Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan., Kyoto, Japan
Background/Purpose: Anti-melanoma differentiation-associated gene 5 (MDA5)-positive dermatomyositis (DM) is frequently associated with rapidly progressive interstitial lung disease (RP-ILD), leading to poor prognosis. Initial combinational therapy…
Abstract Number: 0331 • ACR Convergence 2024
Cardiac Manifestations in Patients with Anti-Synthetase Syndrome: Analysis from the “Classification Criteria for Anti-synthetase Syndrome (CLASS)” Project Database
Sangmee Bae¹, Gianluca sambataro², iazsmin Ventura³, Francisca Bozan⁴, Eduardo Dourado⁵, Sara Faghihi-Kashani⁶, Aravinthan Loganathan⁷, Daphne Rivero Gallegos⁸, Akira Yoshida⁹, Giovanni Zanframundo¹⁰, Francesco Bonella¹¹, Tamera J Corte¹², Tracy J Doyle¹³, david fiorentino¹⁴, Miguel Angel Gonzalez-Gay¹⁵, marie Hudson¹⁶, Masataka Kuwana¹⁷, Andrew Mammen¹⁸, Neil McHugh¹⁹, Frederick Miller²⁰, Carlomaurizio Montecucco²¹, Antonella Notarnicola²², Chester Oddis²³, Jorge Rojas-Serrano²⁴, Jens Schmidt²⁵, Carlo A. Scire²⁶, Albert Gil-Vila²⁷, Victoria Werth²⁸, Lorenzo Cavagna²⁹ and Rohit Aggarwal³⁰, ¹UCLA, Los Angeles, CA, ²University of Catania, Catania, Italy, ³Section of Rheumatology, University of Chicago, Chicago, IL, ⁴Hospital Clinico Universidad de Chile, Santiago, Chile, ⁵Unidade Local de Saúde da Região de Aveiro, Aveiro, Portugal, ⁶Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, San Francisco, CA, ⁷Royal National Hospital for Rheumatic Diseases, Bath, United Kingdom, ⁸INER, Ciudad de México, Mexico State, Mexico, ⁹Nippon Medical School Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan, ¹⁰Università di Pavia, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy, Milano, Italy, ¹¹Center for interstitial and rare lung diseases, Ruhrlandklinik, University of Duisburg-Essen, Essen, Germany, ¹²Royal Prince Alfred Hospital, University of Sydney, Sydney, Australia, ¹³Brigham and Women's Hospital, West Roxbury, MA, ¹⁴Department of Dermatology, Stanford University School of Medicine, Stanford, CA, Palo Alto, CA, ¹⁵University of Cantabria, Fundación Jimenez Díaz, Madrid, Madrid, Spain, ¹⁶McGill University, Montreal, QC, Canada, ¹⁷Department of Allergy and Rheumatology, Nippon Medical School, Tokyo, Japan, Tokyo, Japan, ¹⁸NIH, Bethesda, MD, ¹⁹University of Bath, Bath, United Kingdom, ²⁰NIH, NIEHS, Chapel Hill, NC, ²¹IRCCS policlinico S. Matteo foundation, University of Pavia, Pavia, Italy, ²²Karolinska University Hospital and Karolinska Institutet, Stockholm, Stockholms Lan, Sweden, ²³Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, ²⁴National Institute of Respiratory Diseases, Ismael Cosío Villegas, Mexico City, Mexico, ²⁵University Medical Center Goettingen, Göttingen, Germany, ²⁶University of Milano Bicocca, Milan, Italy, ²⁷Universitat Autònoma of Barcelona, Barcelona, Spain, ²⁸University of Pennsylvania, Wynnewood, PA, ²⁹University of Pavia and Fondazione IRCCS Policlinico San Matteo Hospital of Pavia, Pavia, Pavia, Italy, ³⁰Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, USA, Pittsburgh, PA
Background/Purpose: The prevalence of cardiac manifestations has not been comprehensively described in anti-synthetase syndrome (ASSD). In the current study, we report the prevalence of cardiac…
Abstract Number: 1141 • ACR Convergence 2024
Defining a Novel Type of Myositis: Immune Mediated Megaconial Myopathy (IMMM)
Teerin Liewluck¹, Ashley Santilli², Oliver Ni³, Margherita Milone², Duygu Selcen², Anahit Mehrabyan⁴, Arjun Seth⁵, Christine Hsieh⁵, Wasim Raslan⁶, Moayd Alkhalifah⁶, Raed Alenezi⁶, Stefan Nicolau⁷ and Pannathat Soontrapa⁸, ¹Mayo Clinic, Rochester, MN, ²Mayo Clinic-Rochester, Rochester, MN, ³Hennepin Healthcare, Minneapolis, MN, ⁴University of North Carolina, Chapel Hill, NC, ⁵Northwestern University, Chicago, IL, ⁶Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia, ⁷Nationwide Children’s Hospital, Columbus, OH, ⁸Siriraj Hospital, Mahidol University, Bangkok, Thailand
Background/Purpose: To describe a novel type of myositis, immune mediated megaconial myopathy (IMMM), pathologically characterized by giant mitochondria (megaconia).Methods: We reviewed the Mayo Clinic Muscle…
Abstract Number: 1162 • ACR Convergence 2024
Evaluating the Efficacy of Rituximab in the Treatment of Refractory Adult Idiopathic Inflammatory Myositis Using Total Improvement Score: Data from a Real-World Multi-Centre Registry in the United Kingdom
Xia Lyu¹, Patrick Gordon², Harsha Gunawardena³, Neil McHugh⁴, Sarah Tansley⁴, Athiveeraramapandian Prabu⁵, Peter Lanyon⁶, James Miller⁷, Voon Ong⁸, Anthony Isaacs⁹, Chee-Seng Yee¹⁰, Caroline Cotton¹¹, Patrick Kiely¹², Eleni Stathopoulou¹³, James Taylor¹⁴, Rachel Jeffery¹⁴, Anurag Bharadwaj¹⁵, James Lilleker¹⁶, Janine Lamb¹⁷ and hector Chinoy¹⁸, and MYOPROSP consortium, ¹Department of Rheumatology, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, Shanghai, China (People's Republic), ²nhs, London, United Kingdom, ³North Bristol NHS Trust, and Academic Rheumatology, University of Bristol, Bath, United Kingdom, ⁴University of Bath, Bath, United Kingdom, ⁵Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom, ⁶Nottingham University Hospitals NHS Trust, and Lifespan and Population Health, School of Medicine, University of Nottingham, Nottingham, United Kingdom, ⁷Department of Neurology, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle, United Kingdom, ⁸University College London, London, England, United Kingdom, ⁹Department of Rheumatology, London North West University Healthcare NHS Trust, London, United Kingdom, ¹⁰Department of Rheumatology, Doncaster and Bassetlaw Teaching Hospitals NHS Foundation Trust, Doncaster, United Kingdom, ¹¹Department of Rheumatology, Liverpool University Hospitals NHS Foundation Trust, Liverpool, United Kingdom, ¹²Department of Rheumatology, St George's University Hospitals NHS Foundation Trust, London, United Kingdom, ¹³Department of Rheumatology, Solihull Hospital, University Hospitals of Birmingham NHS FT, Birmingham, United Kingdom, ¹⁴Department of Rheumatology, Northampton General Hospital, Northampton General Hospital NHS Trust, Northampton, United Kingdom, ¹⁵1Basildon University Hospital, Mid & South Essex NHS Foundation Trust, Rheumatology, Basildon, United Kingdom, Basildon, United Kingdom, ¹⁶Northern Care Alliance NHS Trust, Salford, United Kingdom, ¹⁷University of Manchester, UK, Manchester, United Kingdom, ¹⁸The University of Manchester, Manchester, United Kingdom
Background/Purpose: B cell depletion in the form of rituximab (RTX) is an established treatment modality for idiopathic inflammatory myopathies (IIM). Treatment response is now assessed…
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: 2075 • ACR Convergence 2024
A Retrospective Cohort Study Assessing Outcomes and Safety in Patients Receiving Low Dose vs High Dose Cyclophosphamide in Myositis Interstitial Lung Disease (ILD)
Saadia Sasha Ali¹, Alexandra Lawrence², Katie Bechman³, Amit Patel⁴, Surinder biring³, Sophia Steer⁴, Arti Mahto⁵, Catherine Myall⁴, Louise Pollard⁶, Marium Naqvi⁴, Amelia Holloway⁴, Rosaria Salerno⁴, Flora Dell'accio⁴, Sangita Agarwal⁷, Boris Lams⁸, Alex West⁷ and Patrick Gordon⁹, ¹King's College Hospital, Epsom, United Kingdom, ²Guys and St Thomas's Hospital, London, United Kingdom, ³King's College London, London, United Kingdom, ⁴King's College Hospital, London, United Kingdom, ⁵King's College Hospital, London, United Kingdom, ⁶University Hospital Lewisham, London, United Kingdom, ⁷Guy's and St Thomas' Hopsital, London, United Kingdom, ⁸Guys and St Thomas' Hospital, London, ⁹nhs, London, United Kingdom
Background/Purpose: ILD is associated with poor survival in patients with idiopathic inflammatory myopathies (IIM). Cyclophosphamide is often used in the management of myositis associated ILD…
Abstract Number: 2666 • ACR Convergence 2024
The Risk for Development of Myositis Is Not Increased After COVID-19 Vaccination Among U.S. Veterans
Caleb Hernandez¹, Naomi Schlesinger², Jorge Rojas³, Jessica A Walsh⁴, Tawnie Braaten², Gary Kunkel⁵, Makoto Jones², Sauer brian⁶, Julio Facelli¹, grant Cannon⁷ and Dorota Lebiedz-Odrobina⁸, ¹University of Utah, Salt Lake City, ²University of Utah, Salt Lake City, UT, ³Seattle VA, Mexico, Mexico, ⁴Division of Rheumatology, Salt Lake City Veterans Affairs Health and University of Utah Health, Salt Lake City, UT, ⁵University of Utah and George E Wahlen VAMC, Salt Lake City, UT, ⁶Salt Lake City VA/University of Utah, Salt Lake City, UT, ⁷University of Utah and Salt Lake City VA, Salt Lake City, UT, ⁸University of Utah, Cottonwood Heights, UT
Background/Purpose: Several case reports and case series of idiopathic inflammatory myositis (IIM) following COVID-19 vaccination have been reported. This study evaluated the association of prior…
Abstract Number: 0332 • ACR Convergence 2024
Predictors of Long-term Radiographic Changes in Patients with Idiopathic Inflammatory Myopathies Using Quantitative Imaging Analysis: Real World Experience from a Single Center Longitudinal Cohort
Sangmee Bae¹, Daniela Macrovic², Auguestine Chung², Jessica Channick², Andrea Oh¹, Jennifer Wang¹, Ani Shahbazian², Tiffany De Leon², Yuna Lee², Grace Kim², Donald Tashkin², Jonathan Goldin² and christina Charles-Schoeman³, ¹UCLA, Los Angeles, CA, ²UCLA, Los Angeles, ³UCLA Medical Center, Santa Monica, CA
Background/Purpose: Interstitial lung disease (ILD) is a major cause of mortality in idiopathic inflammatory myopathies (IIM), and high-resolution computed tomography (HRCT) is a key modality…

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