Abstracts tagged "Myositis"

Abstract Number: 2073 • ACR Convergence 2025
Cell-free DNA as a Potential Marker of Muscle Involvement and Treatment Response in Myositis
Sabína Oreská¹, Kristina Svobodová¹, Lucia Vernerová¹, Dana Dlouhá², Hana Wunsch¹, Karel Pavelka¹, Jiri Vencovsky³, Ladislav Šenolt⁴, Michal Vrablik⁵, Jaroslav Alois Hubáček² and Michal Tomcik¹, ¹Institute of Rheumatology and Department of Rheumatology, ¹st Faculty of Medicine, Charles University, Prague, Czech Republic, Prague, Czech Republic, ²Experimental Medicine Center, Institute for Clinical and Experimental Medicine, Prague, Czech Republic, ³Institute of Rheumatology, Praha ⁸, Czech Republic, ⁴Institute of Rheumatology and Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic, ⁵³rd Department of Internal Medicine, General University Hospital and ¹st Faculty of Medicine, Charles University, Prague, Czech Republic, Prague, Czech Republic
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are characterized by inflammatory muscle injury. Circulating cell-free DNA (cfDNA), including nuclear (cfnDNA) and mitochondrial (cfmtDNA) DNA, has been shown…
Abstract Number: 1537 • ACR Convergence 2025
Local Immune effector Cell-Associated Toxicity Syndrome (LICATS) in CAR T-cell treated patients with Autoimmune Disease
Melanie Hagen¹, Fabian Müller², Andreas Wirsching¹, Soraya Kharboutli³, Silvia Spoerl³, Christina Duesing⁴, Tobias Krickau⁵, Markus Metzler⁵, Simon Völkl³, Michael Aigner³, Sascha Kretschmann³, Ingrid Vasova³, Marc Saake⁵, Stefan Schliep⁵, Torsten Kubacki⁶, Nicolas Hunzelmann⁶, Laura Bucci¹, Jule Taubmann⁷, Christina Bergmann¹, Andrea-Hermina Györfi⁸, Sascha Dietrich⁹, Jörg Distler¹⁰, Ricardo Grieshaber-Bouyer¹¹, Andreas Mackensen¹² and Georg Schett¹³, ¹Department of Medicine ³ - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, ²University Hospital of Erlangen, Erlangen, Germany, ³Department of Medicine ⁵ - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany, ⁴Klinik für Rheumatologie, Düsseldorf, Germany, ⁵Friedrich-Alexander-Universität Erlangen-Nürnberg, University Hospital Erlangen, Erlangen, Germany, ⁶University and University Hospital Cologne, Cologne, Germany, Cologne, Germany, ⁷Department of Medicine ³ - Rheumatology and Immunology, Friedrich-Alexander-Universität Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany, ⁸Department of Rheumatology, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University., Düsseldorf, Germany, ⁹Heinrich Heine University Duesseldorf, University Hospital Duesseldorf, Duesseldorf, Germany, ¹⁰University Hospital Duesseldorf and HHU, Duesseldorf, Germany, ¹¹University Hospital Erlangen, Erlangen, Germany, ¹²Department of Medicine ⁵ - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Germany, ¹³Uniklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany, Erlangen, Germany
Background/Purpose: CD19-targeting chimeric antigen receptor (CAR) T-cell therapy has revolutionized treatment strategies for severe B-cell driven autoimmune diseases (AID) like Systemic Lupus erythematosus (SLE), Systemic…
Abstract Number: 1204 • ACR Convergence 2025
Validity and reliability of a new ultrasound-based semiquantitative echogenicity grading scale for myositis.
Takeshi Yoshida¹, Didem Saygin² and Jemima Albayda³, ¹Johns Hopkins Hospital, Baltimore, MD, ²Rush University Medical Center, Chicago, IL, ³Johns Hopkins University, Baltimore, MD
Background/Purpose: The Heckmatt grading scale has been widely used as a semiquantitative assessment method for grading muscle echo intensity (EI) on ultrasound; however, this was…
Abstract Number: 0862 • ACR Convergence 2025
In immune-mediated necrotising myopathy, anti-HMGCR antibodies inhibit HMGCR activity, leading to the sarcoplasmic accumulation of lipid droplets and myofibres necrosis
Margherita Giannini¹, Giulia Quiring², Mustapha Oulad-Abdelghani³, Béatrice Lannes¹, Yves Allenbach⁴, Olivier Benveniste⁵, Olivier Boyer⁶, Aleksandra Nadaj Pakleza¹, Bernard Geny⁷ and Alain Meyer⁸, ¹Strasbourg University Hospital, Strasbourg, France, ²University of Strasbourg, Strasbourg, France, ³IGBMC, Strasbourg, France, ⁴SORBONNE UNIVERSITE, Paris, France, ⁵Sorbonne Uniersite, Hopital de la Pitie-Salpetriere, Paris, France, ⁶University of Rouen, Rouen, France, ⁷UR ³⁰⁷², Centre de Recherche en Biomédecine, Université de Strasbourg, Strasbourg; FranceExplorations fonctionnelles musculaires, Service de physiologie, Hôpitaux Universitaires de Strasbourg, Strasbourg;, Strasbourg, Alsace, France, ⁸Service de Rhumatologie, Centre de référence des maladies auto-immunes rares (RESO), Hôpitaux Universitaires de Strasbourg, Strasbourg, Explorations fonctionnelles musculaires, Service de physiologie, Hôpitaux Universitaires de Strasbourg, Strasbourg, UR ³⁰⁷², Centre de Recherche en Biomédecine, Université de Strasbourg, Strasbourg; France, Strasbourg, Alsace, France
Background/Purpose: The aim of this study was to investigate whether in immune-mediated necrotising myopathy (IMNM), anti-HMGCR antibodies interfere with HMGCR activity and have a myopathic…
Abstract Number: 0290 • ACR Convergence 2025
Comparison of Organ Damage and Survival in Anti-synthetase Syndrome and Other Idiopathic Inflammatory Myopathies: An Analysis of Patients from Turkey
Ezgi Sahin¹, Omer Uludag², yasemin yalcinkaya³, Bahar Artim Esen⁴, Ahmet Gul³ and Murat Inanc³, ¹Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey, ²Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Turkey, ³Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Istanbul, Turkey, ⁴Istanbul University, Istanbul, Istanbul, Turkey
Background/Purpose: Idiopathic inflammatory myopathies (IIMs) are rare autoimmune diseases characterized by muscle weakness, often involving other organs such as the skin, lungs, and heart. Defined…
Abstract Number: 2069 • ACR Convergence 2025
Concordance of low titer positive myositis-specific autoantibodies and myositis-associated autoantibodies on subsequent myositis panel testing.
Nikola Wilk¹, Jocelyn Hui Ching Chow², Ian Smith³, Ronald A. Booth⁴, Nancy Maltez¹, Catherine Ivory¹ and Jodi Warman-Chardon⁵, ¹Department of Medicine, Division of Rheumatology, The Ottawa Hospital, University of Ottawa, Ottawa, Canada., Ottawa, ON, Canada, ²Department of Medicine, Division of General Internal Medicine, The Ottawa Hospital, University of Ottawa, Ottawa, Canada., Ottawa, ON, Canada, ³Department of Medicine, Division of Neurology, The Ottawa Hospital, University of Ottawa, Ottawa, Canada., Ottawa, ON, Canada, ⁴Department of Pathology and Laboratory Medicine, The Ottawa Hospital, University of Ottawa & Eastern Ontario Regional Laboratory Association, Ottawa, ON, Canada., Ottawa, ON, Canada, ⁵Department of Medicine, Division of Neurology, The Ottawa Hospital, University of Ottawa, Ottawa, Canada. Department of Medicine and Cellular and Molecular Medicine, Children’s Hospital of Eastern Ontario, University of Ottawa, Ottawa, ON, Canada., Ottawa, ON, Canada
Background/Purpose: Idiopathic inflammatory myopathies (IIMs) are a heterogeneous group of autoimmune connective tissue diseases that commonly affect multiple systems. Myositis-specific autoantibodies (MSA) and myositis-associated autoantibodies…
Abstract Number: 1271 • ACR Convergence 2025
Overcoming Obstacles to Care: Survey of Adult Patients with Idiopathic Inflammatory Myopathies (IIM)
Saloni Patolia¹, Carolina Alvarez², Jessica Grant³, Paul Mihas⁴, Todd Schwartz⁵, Galen Foulke⁶, Amanda Nelson⁵ and Astia Allenzara⁵, ¹UNC Rheumatology, Durham, NC, ²University of North Carolina at Chapel Hill, Miami, FL, ³Odum Institute for Reseach in Social Science, Chapel Hill, NC, ⁴Odum Institute for Reseach in Social Science, Chapel Hill, ⁵Thurston Arthritis Research Center, Chapel Hill, ⁶Penn State Health, Hershey, PA
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are heterogenous autoimmune diseases requiring coordinated, patient-centered care. Understanding patient perspectives on diagnosis, treatment, health screening, and barriers to care…
Abstract Number: 1202 • ACR Convergence 2025
High Prevalence of Asymptomatic Interstitial Lung Disease in Idiopathic Inflammatory Myopathies: Validation of ACR/CHEST Risk Factors in a Hong Kong Cohort
Ka Ki Yam¹, Lucas Tsz Ho Luk¹, Weng Nga Lao², Chiu Wai Shirley Chan³, Dennis Tin Ho Chan⁴, Billy Tin Lok Lai⁵, Roy Tsz Chung Ho⁶, Vivian Hoi Shan Tang⁷, Ho So⁸ and Iris Tang⁹, ¹Department of Medicine & Geriatrics, Hong Kong, Hong Kong, ²Department of Medicine & Geriatrics, Kwong Wah Hospital, Hong Kong, Hong Kong, ³Division of Rheumatology and Clinial Immunology, Department of Medicine, the University of Hong Kong, Hong Kong, Hong Kong, China, ⁴Department of Medicine, Alice Ho Miu Ling Nethersole Hospital, Hong Kong, Hong Kong, ⁵Department of Medicine, Tseung Kwan O Hospital, Hong Kong, Hong Kong, ⁶Department of Medicine, Queen Elizabeth Hospital, Hong Kong, Hong Kong, ⁷Department of Medicine, North District Hospital, Hong Kong, Hong Kong, ⁸Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong, Hong Kong, ⁹Department of Medicine, LKS Faculty of Medicine, University of Hong Kong, Hong Kong, Hong Kong
Background/Purpose: Interstitial lung disease (ILD) is a common and severe complication of idiopathic inflammatory myopathies (IIM), adversely impacting clinical outcomes. While the ACR/CHEST guideline recommends…
Abstract Number: 0861 • ACR Convergence 2025
Identification of Anti-HDGFL1 as a Novel Autoantibody in Seronegative Idiopathic Inflammatory Myopathies
Xueting Yuan¹, Menghua Cai², Lu Gao², Chen Yu³, Jia Shi⁴, Yinghui Li², jiuliang Zhao¹, Dong Xu⁵, Chaojun Hu¹, Mengtao Li⁶, Xiaofeng Zeng⁷, jianmin Zhang² and Qian Wang⁶, ¹Peking Union Medical College Hospital (CAMS), Beijing, China (People's Republic), ²Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing, China (People's Republic), ³Peking Union Medical College Hospital, Dong Cheng Qu, Beijing, China (People's Republic), ⁴University of Washington, Seattle, WA, ⁵Peking Union Medical College Hospital, Dong Cheng District, China (People's Republic), ⁶Peking Union Medical College Hospital, Beijing, Beijing, China (People's Republic), ⁷Peking Union Medical College Hospital Department of Rheumatology and Clinical Immunology, Beijing, Beijing, China (People's Republic)
Background/Purpose: Myositis-specific autoantibodies (MSAs) play a crucial role in diagnosing and classifying idiopathic inflammatory myopathies (IIMs). However, approximately 30% of seronegative IIM patients may be…
Abstract Number: 0291 • ACR Convergence 2025
Acute onset inflammatory myositis: Clinical features and survival.
Gollakota Nandita¹, Madhuri Challa², Phani Kumar D³, Meghna Gavali⁴ and Liza rajasekhar⁵, ¹NIMS, Hyderabad, Hyderabad, Telangana, India, ²Nizams institute of medical sciences, hyderabad, Andhra Pradesh, India, ³NIMS, Hyderabad, Telangana, India, ⁴nizam's institute of medical sciences ,Hyderabad, Hyderabad, Telangana, India, ⁵Nizam's Institute of Medical Sciences, Hyderabad, Telangana, India
Background/Purpose: Idiopathic inflammatory myopathies (IIMs) are characterized by subacute onset symmetric proximal muscle weakness, with occasional extra-muscular involvement, leading to significant morbidity and mortality. Acute…
Abstract Number: 2067 • ACR Convergence 2025
Patterns of Comorbidity in Idiopathic Inflammatory Myopathies: A Cross-sectional Analysis of Disease Burden and Risk Factors
Ilke Coskun Benlidayi¹, Meghna Lama², Oladipo Kunle Afolayan², Meera Shah³, Manali Sarkar⁴, Tamar Rubinstein⁵, Aleksandra Opinc-Rosiak⁶, Rada Miskovic⁷, Marcin Milchert⁸, Dimitri Luz Felipe da Silva⁹, Samuel Katsuyuki Shinjo¹⁰, Elena Nikiphorou¹¹, Ioannis Parodis¹², Vincenzo Venerito¹³, Vikas Agarwal¹⁴ and Latika Gupta¹⁵, ¹Cukurova University, Adana, Turkey, ²The University of Texas Health Science Centre at Houston School of Public Health: Houston, Texas, Houston, ³Indraprastha Apollo Hospital, New Delhi, Mumbai, Maharashtra, India, ⁴Sir H. N. Reliance Foundation Hospital and Research Centre, Mumbai, Maharashtra, India., Mumbai, Maharashtra, India, ⁵Albert Einstein College of Medicine, White Plains, NY, ⁶Medical University of Lodz, Zeromskiego ¹¹³, ⁹⁰-⁵⁴⁹ Lodz, Poland., Lodz, Poland, ⁷University of Belgrade; Clinic of Allergy and Immunology, University Clinical Centre of Serbia, Belgrade, Serbia, ⁸Pomeranian Medical University in Szczecin, Szczecin, Poland, ⁹University Santo Amaro, São Paulo, Brazil, Sao Paulo, Brazil, ¹⁰Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil, Sao Paulo, Brazil, ¹¹King's College London, London, United Kingdom, ¹²Karolinska Institutet and Karolinska University Hospital, Department of Medicine Solna, Division of Rheumatology, Stockholm, Sweden, ¹³Univeristy of Bari "Aldo Moro", Italy, Bari, Bari, Italy, ¹⁴Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India, ¹⁵School of Infection, Inflammation and Immunology, College of Medicine and Health, University of Birmingham; Royal Wolverhampton NHS Trust; Centre for Musculoskeletal Research, School of Biological Sciences, The University of Manchester, Manchester; Francis Crick Institute, London, Birmingham, UK, United Kingdom
Background/Purpose: Comorbidities contribute to the disease burden in idiopathic inflammatory myopathies (IIMs). Understanding their distribution and predictors across IIM subtypes can guide tailored strategies. This…
Abstract Number: 1220 • ACR Convergence 2025
Predictors of Progressive Pulmonary Fibrosis in Idiopathic Inflammatory Myopathies : a Retrospective Study of 502 Cases
Wei Bian¹, Jian Hao¹, Na zhang¹, Xiaojing Zhang¹, Fumin Qi¹, Yin Zhao² and Wei Wei¹, ¹Tianjin Medical University General Hospital, Tianjin, China (People's Republic), ²Affiliated Hospital of Yunnan University, Yunnan, China (People's Republic)
Background/Purpose: Interstitial lung disease (ILD) in idiopathic inflammatory myopathies (IIM) causes worse prognosis. Some patients develop progressive pulmonary fibrosis (PPF) despite appropriate treatment. Identifying predictors…
Abstract Number: 1199 • ACR Convergence 2025
Interstitial Lung Disease in Systemic Autoimmune Rheumatic Diseases (SARDs): Radiologic and Histologic Correlations
Darya S. Jalaledin¹, Aidan pye², Angela Chang², Navid Saleh², Saud AlHajeri³, Beatrice Daviault⁴, Arusa Shah⁵, Sabrina Hoa⁶, Océane Landon-Cardinal⁷, Alec Yu², Robert Levy⁸, Jennifer Wilson⁹, Charles Poirier⁴, James Choi², John Yee², Hyein Kim² and Kun Huang¹⁰, ¹Université de Montréal, Saint-Lambert, QC, Canada, ²University of British Columbia, VANCOUVER, BC, Canada, ³University of British Columbia, Vancouver, Canada, ⁴University of Montreal, Montreal, QC, Canada, ⁵University of Montreal, Montreal, BC, Canada, ⁶University of Montreal, Brossard, QC, Canada, ⁷Centre hospitalier de l'Université de Montréal, Montréal, QC, Canada, ⁸University of British Columbia, Deerfield, IL, ⁹UBC, Vancouver, BC, Canada, ¹⁰University of British Columbia, Vancouver, Surrey, BC, Canada
Background/Purpose: Systemic autoimmune rheumatic diseases (SARDs) are a major cause of interstitial lung disease (ILD), with high prevalence in inflammatory idiopathic myopathy (IIM), systemic sclerosis…
Abstract Number: 0789 • ACR Convergence 2025
Short Form 36 (SF-36) Health Survey Questionnaire in Health-Related Quality of Life Assessment in Patients with Inflammatory Myopathies
Almurtada Razok¹, Jasmin Taylor², Ethan Ritz³, Kristin Wipfler⁴, Kaleb Michaud⁵ and Didem Saygin⁶, ¹John H Stroger Jr Hospital of Cook County, Chicago, IL, ²Rush Medical College, Chicago, IL, ³Rush Research Informatics Core, Rush University Medical Center, Chicago, IL, ⁴FORWARD, The National Databank for Rheumatic Diseases, Omaha, NE, ⁵University of Nebraska Medical Center, Omaha, NE, ⁶Rush University Medical Center, Chicago, IL
Background/Purpose: Patients with idiopathic inflammatory myopathies (IIM) experience significant impairment in their health-related quality of life (QoL); however, there are currently no validated measures to…
Abstract Number: 0289 • ACR Convergence 2025
Standardized Interoperable Data Collection for Myositis Research: Developing Common Data Elements for Myositis Disease Activity Core Set Measures
Didem Saygin¹, Matthew Diller², Varsha Surampudi³, Mark Bodkin³, Payam Farhadi⁴, Adam Schiffenbauer⁵, Audrey Kessel³, Chris Mecoli⁶, Rohit Aggarwal⁷, Helene Alexanderson⁸, Michelle Best⁹, Olivier Benveniste¹⁰, Hector Chinoy¹¹, Brian Feldman¹², Linda Kobert¹³, Manuel Lubinus¹⁴, Liza McCann¹⁵, Chester V. Oddis¹⁶, Nicolino Ruperto¹⁷, Jens Schmidt¹⁸, Victoria Werth¹⁹, Christie Bartels²⁰, Hanna Kim²¹, Andrew Mammen²², Julie Paik²³, Ellen M. Werner¹³, Ingrid de Groot²⁴, Pedro Machado²⁵, Susan Kim²⁶, Tahseen Mozaffar²⁷, Adam M Huber²⁸, Angelo Ravelli²⁹, Richard Scheuermann² and Lisa Rider³⁰, ¹Rush University Medical Center, Chicago, IL, ²National Library of Medicine, National institutes of Health, Bethesda, MD, ³Social Scientific System Inc, a DLH holding company, Baltimore, MD, ⁴National Institutes of Health/National Institute of Environmental Health Sciences, Bethesda, MD, ⁵National Institute of Health/National Institute of Dental and Craniofacial Research, Bethesda, MD, ⁶Johns Hopkins University School of Medicine, Baltimore, MD, ⁷University of Pittsburgh, Rheumatology and Clinical Immunology, Pittsburgh, United States of America, Pittsburgh, PA, ⁸Karolinska University Hospital, Stockholm, Sweden, ⁹Cure JM Foundation, Lessburg, VA, ¹⁰Sorbonne Uniersite, Hopital de la Pitie-Salpetriere, Paris, France, ¹¹The University of Manchester, Manchester, United Kingdom, ¹²The Hospital for Sick Children, Toronto, ON, Canada, ¹³The Myositis Association, Columbia, MD, ¹⁴Myositis Support and Understanding, Lincoln, DE, ¹⁵Alder Hey Children's NHS Foundation Trust, Liverpool, United Kingdom, ¹⁶University of Pittsburgh, Pittsburgh, PA, ¹⁷Université Milano Bicocca and Fondazione IRCSS S. Gerardo dei Tintori, Monza, Monza and Brianza, Italy, ¹⁸Immanuel University Hospital Ruedersdorf, Brandenburg Medical School, Rudersdorf, Germany, ¹⁹University of Pennsylvania, Philadelphia, PA, ²⁰University of Wisconsin School of Medicine and Public Health, Madison, WI, ²¹NIAMS, NIH, Bethesda, MD, ²²NIH, Bethesda, MD, ²³Johns Hopkins Rheumatology, Baltimore, MD, ²⁴The Myositis Association, Rotterdam, Netherlands, ²⁵University College London, London, United Kingdom, ²⁶UCSF Benioff Children's Hospital, San Francisco, CA, ²⁷University of California, Irvine, Orange, CA, ²⁸IWK Grace Health Centre, Halifax, NS, Canada, ²⁹IRCCS Istituto Giannina Gaslini, Genoa, Italy, Genoa, Genoa, Italy, ³⁰National Institute of Environmental Health Sciences/National Institutes of Health, Environmental Autoimmunity Group, Bethesda, MD
Background/Purpose: Recent progress has been made in developing myositis outcome assessments, response and classification criteria, and consensus in the design and conduct of clinical trials…

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