Abstracts tagged "immunology"

Abstract Number: 0449 • ACR Convergence 2020
Cytotoxic T Cells with a Chronic Antigen Exposure Phenotype Drive Immune Checkpoint Inhibitor Sicca
Blake Warner¹, Billel Gasmi², David Kleiner³, Paola Perez Riveros⁴, Daniel Barber⁵, Shunsuke Sakai⁵ and Alan Baer⁶, ¹National Institute of Dental and Craniofacial Research, Bethesda, ²National Cancer Institute, Bethesda, MD, ³National Cancer Institute, Bethesda, ⁴National Institute of Dental and Craniofacial Research, Bethesda, MD, ⁵National Institute of Allergy and Infectious Disease, Bethesda, MD, ⁶Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: Immune checkpoint inhibitors (ICI) have advanced the field of cancer therapeutics. By blocking the negative co-stimulation of T cells, ICI augment the anti-tumor immune…
Abstract Number: 0843 • ACR Convergence 2020
Rab4A Activation Predisposes to Hepatitis in Spontaneous and Pristane-Induced Mouse Models of Systemic Lupus Erythematosus
Nick Huang¹, Akshay Patel¹, Zachary Oaks¹ and Andras Perl¹, ¹SUNY Upstate Medical University, Syracuse, NY
Background/Purpose: HRES-1/Rab4 or Rab4A, a GTPase responsible for mitochondrial oxidative stress1 and activation of the mechanistic target of rapamycin2, is overexpressed in T cells of…
Abstract Number: 1568 • ACR Convergence 2020
Impact of the SARS-CoV-2 Pandemic on a Cohort of Patients with Rheumatic Complications of Immune Checkpoint Inhibitors: A Registry Survey Study
Nilasha Ghosh¹, Aidan Tirpack², Caroline Benson³, Gregory Vitone³, Karmela Kim Chan² and Anne Bass¹, ¹Hospital for Special Surgery/Weill Cornell Medicine, New York, NY, ²Hospital for Special Surgery, New York, NY, ³Hospital for Special Surgery, New York
Background/Purpose: It is not known whether cancer patients being treated with immune checkpoint inhibitors (ICI) and/or immunosuppression are more vulnerable to SARS-CoV-2 or more apt…
Abstract Number: 1996 • ACR Convergence 2020
Evaluation of Response to Pneumococcal Vaccination in Patients with Rheumatoid Arthritis Receiving Upadacitinib: Results from a Phase 2 Open-Label Extension Study
Kevin Winthrop¹, Juan Vargas², Edit Drescher³, Conrado Garcia⁴, Alan Friedman⁵, Jeffrey Enejosa⁵, Nasser Khan⁵, Yihan Li⁵, Justin Klaff⁵ and Alan Kivitz⁶, ¹Oregon Health & Science University, Portland, OR, ²Quantum Research, Puerto Varas, Chile, ³Veszprém Csolnoky Ferenc County Hospital, Veszprém, Hungary, ⁴Hospital General de México "Dr. Eduardo Liceaga", Mexico, Mexico, ⁵AbbVie Inc., North Chicago, IL, ⁶Altoona Center for Clinical Research/Altoona Arthritis and Osteoporosis Center, Duncansville, PA
Background/Purpose: Pneumococcal vaccination is recommended in patients with RA who are receiving conventional synthetic/biologic DMARDs.1 Upadacitinib (UPA) is an oral Janus kinase (JAK) inhibitor engineered to…
Abstract Number: 0450 • ACR Convergence 2020
In Vitro Characterization of Inflammatory Arthritis Associated with Immune Check Point Inhibition
Anne Sofie Sørensen¹, Morten Nørgaard Andersen¹, Kristian Juul-Madsen², Cæcilie Deisting Skejø¹, Henrik Schmidt¹, Thomas Vorup-Jensen¹ and Tue Wenzel Kragstrup¹, ¹Aarhus University, Aarhus, Denmark, ²Aarhus University, Aarhus, Midtjylland, Denmark
Background/Purpose: During treatment with immune checkpoint inhibitors (ICI) such as the anti-PD-1 antibody pembrolizumab, 2-4% of cancer patients develop inflammatory arthritis as an immune-related adverse…
Abstract Number: 0859 • ACR Convergence 2020
Biomarkers of B-cell Depletion and Response in a Randomized, Controlled Trial of Obinutuzumab for Proliferative Lupus Nephritis
Ed Vital¹, Philippe Remy², Luis Fernando Quintana Porras³, Laurent Chiche⁴, Dominique Chauveau⁵, Richard Furie⁶, Thomas Schindler⁷, Jay Garg⁸, Matthew Cascino⁸, Zahir Amoura⁹, Andrea Doria¹⁰, Cary Looney⁸ and Dario Roccatello¹¹, ¹University of Leeds; NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom, ²APHP Groupe Hospitalier Henri-Mondor, Creteil, France, ³Hospital Clinic de Barcelona, Barcelona, Catalonia, Spain, ⁴Hôpital Européen, Marseille, France, ⁵Hôpital Rangueil, Centre Hospitalier Univ de Toulouse, Toulouse, France, ⁶Zucker School of Medicine at Hofstra/Northwell, Great Neck, NY, ⁷F. Hoffmann-La Roche Ltd., Basel, Switzerland, ⁸Genentech, Inc., South San Francisco, CA, ⁹Hôpital Pitié-Salpêtrière, Paris, ¹⁰University of Padua, Padua, Italy, ¹¹S Giovanni Hospital, Univ of Turin, Turin, Italy
Background/Purpose: Incomplete B-cell and plasmablast depletion, as measured using highly sensitive flow cytometry (HSFC), is associated with lower response rates following rituximab in SLE [1].…
Abstract Number: 1571 • ACR Convergence 2020
Distinct T Cell Responses in Inflammatory Arthritis Associated with Combined CTLA-4 and PD-1 Inhibitor Therapy
Sang Kim¹, Jean Tayar², Maria Suarez-Almazor³, Huifang Lu⁴, Yang-Zhi Zhao⁵, Margarita Divenko⁵, William Padron⁵, Emma Rodriguez⁵, Sattva Neelapu⁵, Jennifer Wang⁵, Amish Shah⁵, Nizar Tannir⁵, Don Gibbons⁵, Guillermo Garcia-Manero⁵, Hussein Tawbi⁵, Patrick Hwu⁵, Andrew Futreal⁵, Adi Diab⁵ and Roza Nurieva⁵, ¹The Univesrity of Texas MD Andesron Cancer Center, Pearland, TX, ²The University of Texas, MD Anderson Cancer Center, Houston, TX, ³University of Texas MD Anderson Cancer Center, Houston, TX, ⁴MD Anderson, Houston, TX, ⁵MD Anderson, Houston
Background/Purpose: Despite of unprecedented clinical success in cancer therapeutics, immune checkpoint inhibitors (ICIs) are associated with immune-related adverse events (irAEs), including arthritis (arthritis-irAE). Arthritis-irAE can…
Abstract Number: 2043 • ACR Convergence 2020
Identification and Validation of Citrulline Specific TCRs in CD4+T Cells in Rheumatoid Arthritis
Ravi Kumar¹, Niyaz Yoosuf², Sanjay Boddul², Christina Gerstner³, Sara Turcinov⁴, Anatoly Dubnovitsky⁵, Fredrik Wermeling², Karine Chemin⁶ and Vivianne Malmström⁷, ¹Division of Rheumatology, Department of Medicine, Stickholm, Stockholms Lan, Sweden, ²Division of Rheumatology, Department of Medicine, Stockholm, Sweden, ³Division of Rheumatology, Department of Medicine,Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden, ⁴Division of Rheumatology, Department of Medicine,Center for Molecular Medicine, Institutet, Stockholm, Sweden, ⁵Karolinska Institutet, Stockholm, ⁶Division of Rheumatology, Department of Medicine, Stockholm, Stockholms Lan, Sweden, ⁷Karolinska Institutet, Stockholm, Stockholms Lan, Sweden
Background/Purpose: Citrulline (cit) autoimmunity is central in rheumatoid arthritis (RA), including both anti-citrulline protein antibodies (ACPA) and autoreactive CD4+ T cells. While the ACPA are…
Abstract Number: 0451 • ACR Convergence 2020
Prevalence, Therapy and Tumor Response in Patients with Rheumatic Immune-related Adverse Events Following Immune Checkpoint Inhibitor Therapy: A Single-Centre Analysis
Sophia Verspohl¹, Tobias Holderried¹, Charlotte Behning², Peter Brossart¹ and Valentin Schaefer³, ¹Clinic for Internal Medicine III, Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Germany, Bonn, Nordrhein-Westfalen, Germany, ²Institute for Medical Biometrics, Informatics and Epidemiology (IMBIE), University Hospital Bonn, Bonn, Germany, Bonn, Nordrhein-Westfalen, Germany, ³Clinic of Internal Medicine III, Department of Oncology, Hematology and Rheumatology, University Hospital Bonn, Germany, Bonn, Nordrhein-Westfalen, Germany
Background/Purpose: Immune checkpoint inhibitors (ICIs) have improved cancer therapy [1] by inducing a higher immune system activity and subsequent attack of tumor cells. However, this effect…
Abstract Number: 0861 • ACR Convergence 2020
Hydroxychloroquine Use Is Associated with Diminished Type I Interferon-related Pathways in Systemic Lupus Erythematosus Patients
Samantha Slight-Webb¹, Kevin Thomas¹, Rufei Lu¹, Susan Macwana¹, Joan Merrill¹, Cristina Arriens¹, Eliza Chakravarty¹, Teresa Aberle¹, Holden Maecker², Paul Utz³, Joel Guthridge¹ and Judith James⁴, ¹Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA, ³Stanford University School of Medicine, Stanford, CA, ⁴Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK
Background/Purpose: Hydroxychloroquine (HCQ) has been used for decades to treat systemic lupus erythematosus (SLE) and is associated with decreased lupus flares and damage. However, despite…
Abstract Number: 1573 • ACR Convergence 2020
Gout as an Immune-Related Adverse Event from Immune Checkpoint Inhibitors
Kevin Lee¹, Carrie Ye² and Shokrollah Elahi³, ¹Internal Medicine, University of Alberta, Edmonton, AB, Canada, ²Rheumatology, University of Alberta, Edmonton, AB, Canada, ³Medical Microbiology and Immunology, University of Alberta, Edmonton, AB, Canada
Background/Purpose: Immune checkpoint inhibitors (ICI) are novel treatments approved for various tumours including melanoma, lung and kidney. By interacting with immunoregulatory molecules (programmed death-1 (PD-1),…
Abstract Number: 0460 • ACR Convergence 2020
Lymphocyte Clonal Expansion Distinguishes Different Forms of Uveitis
Michael Paley¹, Lynn Hassman¹, Philip Ruzycki¹, Ekaterina Esaulova¹, Grace Paley¹, Jennifer Laurent¹, Luke Springer¹, Lacey Feigl¹, Maxim Artyomov¹ and Wayne Yokoyama², ¹Washington University, Saint Louis, ²Washington University, St Louis, MO
Background/Purpose: Anterior uveitis is a form of ocular inflammation associated with rheumatologic disease and can be categorized as granulomatous or non-granulomatous. Whether different ocular manifestations…
Abstract Number: 0862 • ACR Convergence 2020
Voclosporin Does Not Decrease Mycophenolic Acid Concentrations in Patients with SLE
Teun van Gelder¹, Robert Huizinga², Neil Solomons² and Laura Lisk³, ¹Leiden University Medical Centre, Leiden, Zuid-Holland, Netherlands, ²Aurinia Pharmaceuticals, Victoria, BC, Canada, ³Aurinia Pharmaceuticals Inc., Victoria, BC, Canada
Background/Purpose: Voclosporin (VCS) is a novel calcineurin inhibitor, structurally similar to cyclosporine A (CsA). In a Phase 3 clinical trial in patients with active lupus…
Abstract Number: 1574 • ACR Convergence 2020
Over Half of Patients with Immune Checkpoint Inhibitor-related Myositis, Myasthenia Gravis and/or Myocarditis Have Autoantibodies: Results from a Systematic Literature Review
Nilasha Ghosh¹, Karmela Kim Chan², Bridget Jivanelli³ and Anne Bass¹, ¹Hospital for Special Surgery/Weill Cornell Medicine, New York, NY, ²Hospital For Special Surgery, New York, NY, ³Hospital for Special Surgery, New York
Background/Purpose: Although immune checkpoint inhibitor (ICI) cancer treatments are known to activate cytotoxic T-cells, autoantibodies may also contribute to the development of immune-related adverse events…
Abstract Number: 0462 • ACR Convergence 2020
Lupus-like Autoimmunity and Increased Interferon Response in Patients with STAT3-deficient Hyper-IgE Syndrome
Brian Dizon¹, Rishi Goel², Shuichiro Nakabo², Amanda Urban², Meryl Waldman², Lilian Howard², Dirk Darnell², Munir Buhaya², Sarfaraz Hasni³, Mariana Kaplan⁴, Alexandra Freeman² and Sarthak Gupta¹, ¹National Institutes of Health, BETHESDA, MD, ²National Institutes of Health, Bethesda, ³Lupus Clinical Trials Unit, NIAMS/NIH, Bethesda, MD, ⁴National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD
Background/Purpose: Autosomal dominant hyper-IgE syndrome (AD-HIES), also known as Job’s syndrome, is a rare primary immunodeficiency caused by dominant-negative loss-of-function (LOF) mutations in signal transducer…

1
2
3
…
5
Next Page »