Abstracts Archive - Page 7 of 2616 - ACR Meeting Abstracts

Abstract Number: 103 • 2026 Pediatric Rheumatology Symposium
Anifrolumab Use in Youngsters with Rheumatic Conditions: Case Series and a Review of the Evidence Base
Madison Hoenle¹, Kelly Wise² and Shoghik Akoghlanian³, ¹Nationwide Children's Pediatric Residency, Columbus, OH, ²Nationwide Children's Hospital, Hilliard, OH, ³Nationwide Childrens Hospital, Columbus, OH
Background/Purpose: Systemic lupus erythematosus (SLE) is a chronic, multisystem autoimmune disease that poses unique diagnostic and therapeutic challenges in children, given they experience more severe…
Abstract Number: 079 • 2026 Pediatric Rheumatology Symposium
Still’s Disease Associated Lung Disease: Update From the European Registry
Claudia Bracaglia¹, Francesca Minoia², Christoph Kessel³, Sebastiaan Vastert⁴, Manuela Pardeo⁵, Alessia Arduini⁵, Sarka Horackova Fingerhutova⁶, Irina Nikishina⁷, Ozge Basaran⁸, Nural Kiper⁸, Konstantin Belozerov⁹, Mikhail Kostik⁹, Sezgin Sahin¹⁰, Mia Glerup¹¹, Roberta Caorsi¹², AnnaCarin Horne¹³, Giovanni Filocamo¹⁴, Helmut Wittkowski¹⁵, Marija Jelusic¹⁶, Jordi Anton¹⁷, Samira Khaldi-Plassart¹⁸, Alexandre Belot¹⁸, Gerd Horneff¹⁹, Seraina Palmer Sarott²⁰, Elvira Cannizzaro Schneider²⁰, Lampros Fotis²¹, Serena Pastore²², Aurelia Calin²³, Isabelle Kone-Paut²⁴, Ozgur Kasapcopur¹⁰, Pavla Dolezalova⁶, Seza zen²⁵, Angelo Ravelli²⁶ and Fabrizio De Benedetti²⁷, ¹Division of Rheumatology Ospedale Pediatrico Bambino Gesu' IRCCS, Roma, Italy, Rome, Rome, Italy, ²Fondazione IRCCS Ca' Grande Ospedale Maggiore Policlinico, Milan, Italy,, Milano, Italy, ³Department of Pediatric Rheumatology & Immunology, WWU Medical Center (UKM), Münster, Germany, Munster, Germany, ⁴University Medical Center Utrecht, Utrecht, Netherlands, ⁵Division of Rheumatology, Ospedale Pediatrico Bambino Gesù IRCCS, Roma, Italy, Rome, Lazio, Italy, ⁶Centre for Paediatric Rheumatology and Autoinflammatory Diseases, Department of Paediatrics and Inherited Metabolic Disorders, ¹st Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic, Prague, Czech Republic, ⁷V.A. Nasonova Research Institute of Rheumatology, Moscow, Russian Federation, Moscow, Russia, ⁸Department of Pediatrics, Hacettepe University, Ankara, Türkiye, Ankara, Turkey, ⁹Saint-Petersburg State Pediatric Medical University, Saint-Petersburg, Russian Federation, Saint-Petersburg, Russia, ¹⁰Istanbul University-Cerrahpasa, Department of Pediatric Rheumatology, Istanbul, Türkiye, Istanbul, Turkey, ¹¹Department of Pediatrics, Aarhus University Hospital, Aarhus, Denmark, Aarhus, Denmark, ¹²Department of Pediatrics and Rheumatology, IRRCS Istituto G. Gaslini, Genova, Italy, Genova, Italy, ¹³Department of pediatric rheumathology, Karolinska University Hospital and Department of pediatrics, Karolinska Institute, Stockholm, Sweden, Stockholm, Sweden, ¹⁴Fondazione IRCCS Ca' Grande Ospedale Maggiore Policlinico, Milan, Italy, Milano, Italy, ¹⁵Department of Pediatric Rheumatology & Immunology, WWU Medical Center (UKM), Münster, Germany, Munster, Italy, ¹⁶Department of Pediatrics, University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Croatia, Zagreb, Croatia, ¹⁷Pediatric Rheumatology, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain, Barcelona, Spain, ¹⁸Pediatric Nephrology, Rheumatology, Dermatology Unit, Hôpital Femme Mère Enfant, Hospices Civils de Lyon, Lyon, France, Lyon, France, ¹⁹University Hospital of Cologne, Sankt Augustin, Germany, ²⁰Department of Pediatric Rheumatology, University Children’s Hospital Zurich, Zurich, Switzerland, Zurich, Switzerland, ²¹Pediatric Rheumatology Division, ³rd Department of Pediatrics, National and Kapodistrian University of Athens,‘’ATTIKON’’ General University Hospital, Athens, Greece, Athens, Greece, ²²IRCCS Burlo Garofolo, Trieste, Trieste, Italy, ²³Marie Curie Children's Emergency Hospital, Bucharest, Romania, Bucharest, Romania, ²⁴Pediatric rheumatology department, CEREMAIA Bicêtre hospital, APHP, Le Kremlin Bicêtre University of Paris Saclay, Paris, France, Paris, France, ²⁵Hacettepe University Medical Faculty, Ankara, Turkey, ²⁶IRCCS Istituto Giannina Gaslini, Genoa, Italy, Genoa, Genoa, Italy, ²⁷Bambino Gesu Children's Hospital, Rome, Rome, Italy
Background/Purpose: Lung disease (LD) is an emerging severe life-threatening complication of Still’s Disease (SD) characterized by peculiar features. Patients with SD complicated by LD are…
Abstract Number: 099 • 2026 Pediatric Rheumatology Symposium
Clinical Features of Juvenile Antisynthetase Syndrome: A Single-Center Case Series
Joshua Marrs¹, Maria Correa², Manuel Silva-Carmona³ and Maria Pereira², ¹Baylor College of Medicine, MANVEL, TX, ²Baylor College of Medicine, Houston, TX, ³Texas Children's Hospital, TX
Background/Purpose: Anti-synthetase syndrome (ASyS) is a rare autoimmune myopathy in children characterized by a triad of myositis, arthritis, and interstitial lung disease (ILD), though not all manifestations may be present at disease onset. Pediatric data remain limited, and disease…
Abstract Number: 001 • 2026 Pediatric Rheumatology Symposium
Longitudinal Cardiovascular Profiles of Youth with Childhood-onset Systemic Lupus Erythematosus
Joyce Chang¹, Gabrielle Alonzi², Michael Ferguson³, Andrea Knight⁴, Jane Newburger⁵, Pamela Weiss⁶, Mary Beth Son² and Karen Costenbader⁷, ¹Boston Children's Hospital, Newton, MA, ²Boston Children's Hospital, Boston, MA, ³Boston Children's Hospital, MA, ⁴Hospital for Sick Children, Toronto, ON, Canada, ⁵Boston Childen's Hospital, Boston, MA, ⁶Childrens Hospital of Philadelphia, Philadelphia, PA, ⁷Brigham and Women's Hospital/ Harvard Medical School, BOSTON, MA
Background/Purpose: The cumulative impact of childhood-onset systemic lupus erythematosus (cSLE) on cardiovascular damage begins at disease onset. We sought to characterize longitudinal cardiovascular profiles of…
Abstract Number: 012 • 2026 Pediatric Rheumatology Symposium
Prevalence and Impact of Adverse Childhood Experiences in Pediatric Systemic Lupus Erythematosus
Anita Dhanrajani¹, Rhea Bhargava² and Alfred Kim³, ¹Manning Family Children's Hospital, Tulane University, ²Tulane University Medicine, New Orleans, LA, ³Washington University School of Medicine, Saint Louis, MO
Background/Purpose: Adverse childhood experiences (ACEs) have been linked to incident childhood-onset SLE (cSLE) and poorer patient-reported outcomes, raising the possibility that early-life stress may contribute…
Abstract Number: 045 • 2026 Pediatric Rheumatology Symposium
Genotypes and Clinical Phenotypes of Monogenic Autoinflammatory Disorders in Michigan
Ryan Mitacek¹, Veronica Kwiatkowski¹ and Basil Fathalla², ¹Children's Hospital of Michigan, Central Michigan University College of Medicine, ²Children's Hospital of Michigan, Detroit, MI
Background/Purpose: Data regarding monogenic systemic autoinflammatory disorders (SAID) from the USA is scarce. Our study aims to report the spectrum of SAID and detail unique…
Abstract Number: 086 • 2026 Pediatric Rheumatology Symposium
APOL1 Focal Segmental Glomerulosclerosis Requiring Renal Transplant, the Burden of Childhood onset Autoimmune and Autoinflammatory Disease
Andrew Zeft¹, Charles Kwon², Raed Bou Matar², Xiangling Wang² and Sirada Panupattanapong¹, ¹Department of Pediatric Rheumatology, Cleveland Clinic Children's Hospital, Cleveland, OH, ²Cleveland Clinic
Background/Purpose: Apolipoprotein L1 (APOL1) mediated kidney disease with focal segmental glomerulosclerosis (FSGS) is a severe form of renal disease with risk of progressing towards end…
Abstract Number: 041 • 2026 Pediatric Rheumatology Symposium
Pediatric Behçet’s Disease: A 13-Year Single-Center Experience Highlighting Diagnostic Delays and High Neurological Burden
Rasha Elrefai¹, Andrea Ramirez¹, Jamie Lai², Cagri Yildirim-Toruner³, Eyal Muscal¹ and Marietta DeGuzman¹, ¹Baylor College of Medicine, Houston, TX, ²Baylor College of Medicine, The Woodlands, TX, ³Texas Children's Hospital/ Baylor College of Medicine, Houston, TX
Background/Purpose: Behçet's disease (BD) is a systemic vasculitis primarily characterized by recurrent oral and genital aphthous ulceration. It is reported that 15-20% of all BD…
Abstract Number: 026 • 2026 Pediatric Rheumatology Symposium
Treatment strategies for articular flares in JIA patients receiving biologic therapy
Jonatan zalcman, Yoel Levinsky, Liora Harel, Ruth Livny and gil amarilyo, Schneider Children's medical center of Israel
Background/Purpose: Biologic agents form the cornerstone of therapy for Juvenile Idiopathic Arthritis (JIA); however, the optimal management of flares that occur during ongoing treatment remains…
Abstract Number: 047 • 2026 Pediatric Rheumatology Symposium
Association of anti-DFS70 with autoimmune diseases in children
Sara Concha, Pontificia Universidad Católica de Chile
Background/Purpose: The ANA 23 panel is widely requested in patients with positive ANA to guide their association with autoimmune diseases; however, the anti-DFS70 antibody has…
Abstract Number: 090 • 2026 Pediatric Rheumatology Symposium
Characterizing CNS MRI Abnormalities in Pediatric ANCA-Associated Vasculitis
Dawn Gist¹, Eyal Muscal², Srikala Narayanan³ and Divya Thomas⁴, ¹Baylor College of Medicine/Texas Children's Hospital, Houston, TX, ²Baylor College of Medicine, houston, TX, ³Texas Children's Hospital Division of Neuroradiology, ⁴Baylor College of Medicine/Texas Children's Hospital
Background/Purpose: CNS involvement in pediatric ANCA-associated vasculitis (AAV) is rare but can lead to significant neurological symptoms, including headaches, seizures, behavioral changes, and occasional cerebrovascular…
Abstract Number: 036 • 2026 Pediatric Rheumatology Symposium
Giant Aneurysms in Kawasaki Disease: A Large Quarternary Single Center Experience
Meredith Rae¹, Jessica Nguyen², Olivia Kwan³, Duc Nguyen⁴ and Cagri Yildirim-Toruner⁵, ¹Baylor College of Medicine/Texas Children's Hospital, ²Cook Children's Hospital, ³Baylor College of Medicine; Texas Children's Hospital, ⁴Baylor College of Medicine, ⁵Texas Children's Hospital/ Baylor College of Medicine, Houston, TX
Background/Purpose: Kawasaki disease (KD) is an acute medium-vessel vasculitis predominantly affecting children younger than five years old. It is the most common cause of acquired…
Abstract Number: 104 • 2026 Pediatric Rheumatology Symposium
Identification of Joints with Active Arthritis from Clinical Notes with High Fidelity using a Large Language Model
Marc Natter¹, Seungwon Lee², Min-Lee Chang³ and Mei-Sing Ong¹, ¹Boston Children's Hospital, Boston, MA, ²Boston Children's Hospital, ³Boston Children's Hospital, MA
Background/Purpose: Accumulating evidence supports a new, biology-driven classification system for JIA diagnosis and prognosis, depending upon identification of patterns of arthritis involvement, rather than just…
Abstract Number: 093 • 2026 Pediatric Rheumatology Symposium
HOW DO WE HANDLE STILL’S DISEASE? REAL-LIFE CLINICIANS’ CHOICES FROM THE METAPHOR PROJECT WORLDWIDE SURVEY
Francesco Baldo¹, Greta Rogani², Claudia Bracaglia³, Dirk Foell⁴, Marco Gattorno⁵, Jordi Anton⁶, Marija Jelusic⁷, Paul Brogan⁸, Scott Canna⁹, Randy Cron¹⁰, Fabrizio De Benedetti¹¹, Alexei Grom¹², Merav Heshin Bekenstein¹³, AnnaCarin Horne¹⁴, Raju Khubchandani¹⁵, Mao Mizuta¹⁶, Seza zen¹⁷, Pierre Quartier Dit Maire¹⁸, Angelo Ravelli¹⁹, Nicolino Ruperto²⁰, Masaki Shimizu²¹, Grant Schulert¹², Rashmi Sinha²², Christiaan Scott²³, Joost Swart²⁴, Bruno Fautrel²⁵, Sebastiaan Vastert² and Francesca Minoia²⁶, ¹UOC Reuamtologia Pediatrica-ASST-Pini-CTO.it, Italy, ²University Medical Center Utrecht, Utrecht, Netherlands, ³Division of Rheumatology Ospedale Pediatrico Bambino Gesu' IRCCS, Roma, Italy, Rome, Rome, Italy, ⁴University Hospital Muenster, Muenster, Germany, ⁵Division of Rheumatology and Autoinflammatory Diseases, IRCCS Istituto Giannina Gaslini, Genoa, Italy, Genova, Italy, ⁶Hospital Sant Joan de Du. Universitat de Barcelona, Esplugues de Llobregat (Barcelona), Spain, ⁷University of Zagreb School of Medicine, University Hospital Centre Zagreb, Zagreb, Zagreb, Croatia, ⁸UCL Institute of Child Health and Great Ormond Street Hospital NHS Foundation Trust, London, United Kingdom, ⁹Children's Hospital of Philadelphia, Philadelphia, PA, ¹⁰University of Alabama at Birmingham, Birmingham, AL, ¹¹Bambino Gesu Children's Hospital, Rome, Rome, Italy, ¹²Cincinnati Children's Hospital Medical Center, Cincinnati, OH, ¹³Tel Aviv Medical Center Israel, Binyamina, Israel, ¹⁴Karolinska University Hospital, Sollentuna, Sweden, ¹⁵SRCC Children's Hospital, Mumbai, India, India, ¹⁶Department of Paediatric Rheumatology, Hyogo Prefectural Kobe Children's Hospital, Kanazawa, Japan, Kanazawa, Japan, ¹⁷Hacettepe University Medical Faculty, Ankara, Turkey, ¹⁸Necker hospital, Paris Cedex ¹⁵, France, ¹⁹IRCCS Istituto Giannina Gaslini, Genoa, Italy, Genoa, Genoa, Italy, ²⁰Università Milano Bicocca and Fondazione IRCSS S. Gerardo dei Tintori, Monza, Italy, ²¹Tokyo Medical and Dental University, Tokyo, Japan, Kanazawa, Japan, ²²Systemic JIA Foundation, Los Altos, CA, ²³Childrens Hospital of Eastern Ontario (CHEO), Ottawa, ON, Canada, ²⁴Wilhelmina Children's Hospital / UMC Utrecht, Utrecht, Netherlands, ²⁵Sorbonne University - APHP, Paris, France, ²⁶Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milano, Italy
Background/Purpose: Despite continuous improvement in care and the recent update of international recommendations, relevant discrepancies in the approach to Still’s disease (SD) still exists.The study…
Abstract Number: 106 • 2026 Pediatric Rheumatology Symposium
Clinical Characteristics and Safety Outcomes in Refractory Kawasaki Disease Treated with Second-Dose Infliximab
Mariia Pavlenko¹, Kathryn Scheinberg², Adam Bartholomeo³, Samuel Lazaroff⁴, Carla Levin², Kira Frappa⁵, Matthew Miller⁵, Denise Vidas⁵, Marsha Anderson⁵, Samuel Dominguez⁵ and Lyndsey Cole⁶, ¹University of Colorado Anschutz Medical Campus, Department of Pediatrics, ²University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Rheumatology, ³University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Rheumatology and Section of Allergy/Immunology, ⁴University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Rheumatology;University of Colorado Anschutz Medical Campus, Department of Medicine, Section of Rheumatology, ⁵University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Infectious Diseases & Epidemiology, ⁶University of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of RheumatologyUniversity of Colorado Anschutz Medical Campus, Department of Pediatrics, Section of Infectious Diseases & Epidemiology
Background/Purpose: Infliximab is an effective treatment for Kawasaki Disease (KD) as part of intensified initial therapy in combination with intravenous immunoglobulin (IVIG) or as a…

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