Abstracts tagged "Uric Acid, Urate"

Abstract Number: L05 • ACR Convergence 2024
Prolonged Plasma Urate-Lowering After a Single Intravenous Administration of PRX-115, a Novel PEGylated Uricase, in Participants with Elevated Urate Levels
Christian Schwabe¹, Orit Cohen Barak², Alexandra Cole³, Hadar Reuveni², Liron Shelev², Liora Blinder-Haddad² and Nicola Dalbeth⁴, ¹NZCR, Auckland, New Zealand, ²Protalix Ltd, Karmiel, Israel, ³NZCR, Christchurch, New Zealand, ⁴University of Auckland, Auckland, New Zealand
Background/Purpose: PEGylated uricases have already demonstrated therapeutic modality in the treatment of refractory gout patients. PRX-115 is a recombinant homotetrameric uricase enzyme, produced from Candida…
Abstract Number: 2008 • ACR Convergence 2024
A Phase 1 Study to Evaluate the Safety, Tolerability, Pharmacokinetics (PK) and Pharmacodynamics (PD) of a Single Dose of ABP-671 in Participants with Chronic Kidney Disease (CKD)
ullrich schwertschlag¹, william dongfang Shi², rOBERT PERRY³, Kwabena Ayesu⁴, rOY WU⁵, jerry liu⁶, JinSying Lin⁷ and Adam Jin⁸, ¹Atombio Science, PALO ALTO, CA, ²Jiangsu Atom Bioscience,, Suzhou, Jiangsu, China (People's Republic), ³Panax Clin Res, Miami Lakes, FL, ⁴OMEGARLLC, ORLANDO, FL, ⁵Atom Bioscience, SAN FRANCISCO, CA, ⁶atombio, San Diego, CA, ⁷Biostatconsulting, Wuzhong, Suzhou, Jiangsu, China (People's Republic), ⁸atom biosciences, Wuzhong, Suzhou, Jiangsu, China (People's Republic)
Background/Purpose: In this open-label Phase 1 study, 22 participants were enrolled in 3 cohorts, 10 participants with normal kidney function (eGFR ≥90 ml/min/1.73m2 and no…
Abstract Number: 2012 • ACR Convergence 2024
Safety, Tolerability and Efficacy of Pegloticase Administered with a Shorter Infusion Duration in Subjects with Uncontrolled Gout Receiving Methotrexate: Primary Findings of the AGILE Open-label Trial
Orrin Troum¹, John Botson², Fang Fang³, Katie Obermeyer³, Supra Verma³ and Brian LaMoreaux⁴, ¹Providence Health Care/Doctor's of St John's (MDSJ) Santa Monica, CA, Santa Monica, CA, ²Orthopedic Physicians Alaska, Anchorage, AK, ³Amgen, Inc., Thousand Oaks, CA, ⁴Amgen, Inc., Deerfield, IL
Background/Purpose: Pegloticase, infused every 2 weeks over ≥2 hrs, lowers serum urate (SU) in patients with refractory gout. Decreasing infusion time is expected to improve…
Abstract Number: 2013 • ACR Convergence 2024
Elevated Serum Allantoin and Allantoin/uric Acid Ratio as Indicators of Oxidative Stress in Severe Gout and Cardiovascular Comorbidities
Lenka Hasikova¹, Petr Kozlik², Kveta Kalikova³, Petr Dusek⁴, Marketa Pavlikova¹, Blanka Stiburkova⁵ and Jakub Závada⁶, ¹Institute of Rheumatology, Prague, Czech Republic; Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic, Prague, Czech Republic, ²Department of Analytical Chemistry, Faculty of Science, Charles University, Prague, Czech Republic, Prague, Czech Republic, ³Department of Physical and Macromolecular Chemistry, Faculty of Science, Charles University, Prague, Czech Republic, Prague, Czech Republic, ⁴Department of Neurology and Centre of Clinical Neuroscience and Department of Radiology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic, Prague, Czech Republic, ⁵Institute of Rheumatology, Prague, Czech Republic and Department of Paediatrics and Inherited Metabolic Disorders, 1st Faculty of Medicine, Charles University and General University Hospital in Prague, Czech Republic, Prague, Czech Republic, ⁶Institute of Rheumatology and Charles University, Praha, Czech Republic
Background/Purpose: Uric acid (UA) can be non-enzymatically oxidized into allantoin and other products by reactive oxygen species under conditions of increased oxidative stress. Consequently, allantoin…
Abstract Number: 0265 • ACR Convergence 2024
Performance of Two Gout Remission Definitions in a Two-Year Randomized Controlled Trial of Nurse-led Care
Dansoa Tabi-Amponsah¹, Michael Doherty², Aliya Sarmanova³, Weiya Zhang², Sarah Stewart⁴, William Taylor⁵, Lisa Stamp⁶ and Nicola Dalbeth⁷, ¹The University of Auckland, Auckland, New Zealand, ²Academic Rheumatology, School of Medicine, University of Nottingham; Pain Centre Versus Arthritis, University of Nottingham, Nottingham, United Kingdom, ³Roche Diagnostics International, Clinical Development and Medical Affairs, Nottingham, England, United Kingdom, ⁴Auckland University of Technology, Auckland, New Zealand, ⁵The University of Otago, Wellington, Wellington, New Zealand, ⁶University of Otago, Christchurch, Christchurch, New Zealand, ⁷University of Auckland, Auckland, New Zealand
Background/Purpose: To compare the performance of the 2016 preliminary gout remission definition and a simplified gout remission definition in a clinical trial of nurse-led gout…
Abstract Number: 2014 • ACR Convergence 2024
Effect of a Whole Food Plant-Based Diet in Patients with Gout: A Pilot Randomized Controlled Trial
Anna Kretova¹, Carlijn Wagenaar¹, Wendy Walrabenstein², Daisy Vedder², Dirkjan van Schaardenburg² and Martijn Gerritsen¹, ¹Reade Rheumatology Center, Amsterdam, Netherlands, ²Amsterdam UMC, Amsterdam, Netherlands
Background/Purpose: An unhealthy diet is an important modifiable risk factor for hyperuricemia and gout and is also associated with obesity and metabolic syndrome (MetS), known…
Abstract Number: 0266 • ACR Convergence 2024
Analysis of Gout Remission Definitions in a Randomised Controlled Trial of Colchicine Prophylaxis for People with Gout Initiating Allopurinol
Dansoa Tabi-Amponsah¹, Lisa Stamp², Anne Horne³, Jill Drake⁴, Sarah Stewart⁵, Gregory Gamble³, Keith Petrie¹ and Nicola Dalbeth³, ¹The University of Auckland, Auckland, New Zealand, ²University of Otago, Christchurch, Christchurch, New Zealand, ³University of Auckland, Auckland, New Zealand, ⁴University of Otago, Christchurch, New Zealand, ⁵Auckland University of Technology, Auckland, New Zealand
Background/Purpose: To investigate the effect of colchicine prophylaxis on gout remission when commencing urate lowering therapy (ULT), and illness perceptions of people in remission, using…
Abstract Number: 2018 • ACR Convergence 2024
Non-adherence to Urate Lowering Therapy in Gout After 5 Years Is Related to Poor Outcomes – Results from the NOR-Gout Study
Tillmann Uhlig¹, Lars F Karoliussen¹, Joseph Sexton², Sella A. Provan², Espen A. Haavardsholm³, Nicola Dalbeth⁴ and Hilde B Hammer¹, ¹Diakonhjemmet Hospital, Oslo, Norway, ²Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, Oslo, Norway, Oslo, Norway, ³Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, Oslo, Norway, and University of Oslo (UiO), Institute of Clinical Medicine, Oslo, Norway, Oslo, Norway, ⁴University of Auckland, Auckland, New Zealand
Background/Purpose: People with gout need to adhere to medication over time to achieve good outcomes. We assessed self-reported adherence to medication with urate lowering therapy…
Abstract Number: 0275 • ACR Convergence 2024
Targeting IRAK4 in Monosodium Urate Crystals Induced Inflammation
Sadiq Umar¹ and Sriram Ravindran², ¹University of Illinois at Chicago, Chicago, IL, ²University of Illinois, Chicago
Background/Purpose: Gout, the leading cause of inflammatory arthritis, is becoming increasingly prevalent worldwide, affecting both developed and developing countries. This condition results from the deposition…
Abstract Number: 2019 • ACR Convergence 2024
Safety and Efficacy of SEL-212 in the US and ex-US Subgroups: Results from the Phase 3 DISSOLVE Studies
Michael Pillinger¹, Alan Kivitz², Atul Singhal³, Anand Patel⁴, Rehan Azeem⁵, Aletta Falk⁶, Bhavisha Desai⁷, Hugues Santin-Janin⁸ and Herbert Baraf⁹, ¹New York University Grossman School of Medicine, New York,, NY, ²Altoona Center for Clinical Research, Duncansville, PA, ³Southwest Arthritis Research Group, Mesquite, TX, ⁴Conquest Research, Winter Park, FL, ⁵Sobi Inc., Waltham, MA, ⁶Sobi, Stockholm, Sweden, ⁷Sobi, Glastonbury, CT, ⁸Sobi, BETTENDORF (68560), France, ⁹Center for Rheumatology and Bone Research, Wheaton, MD
Background/Purpose: The DISSOLVE Phase 3 study program investigated the efficacy and safety of SEL-212, a novel, once-monthly, two-component infusion therapy consisting of pegadricase (SEL-037, a…
Abstract Number: 0279 • ACR Convergence 2024
Macrophage Intracellular Fates of Monosodium Urate and Calcium Pyrophosphate Crystals: Phagocytosis, Exchanged/expulsion and Dissolution of Crystals
Charles Leroy¹, Nghia Pham², François Brial³, Brenda Kischkel⁴, gwénaêlle Jayat⁵, Elena Ishow⁶, Christèle Combes⁷, Leo Joosten⁴, Augustin Latourte⁸, Pascal Richette⁹ and Hang-Korng Ea¹⁰, ¹Inserm 1132 / Université Paris Cité, levallois-perret, France, ²INSERM 1132, BIOSCAR, Lariboisière hospital, Paris, France, ³Inserm 1132/ Université Paris Cité, Paris, France, ⁴Radboudumc, Nijmegen, Netherlands, ⁵Université Paris cité / Inserm 1132, paris, France, ⁶Université de Nantes / Ceisam, Nantes, France, ⁷INP-ENSIACET, Toulouse, France, ⁸AP-HP, Paris, France, ⁹Lariboisière Hospital, Paris, France, ¹⁰Université Paris Cité, INSERM UMR 1132 BIOSCAR, Paris, France
Background/Purpose: Gout, due to the presence of monosodium urate crystals (MSU) and calcium pyrophosphate (CPP) crystal deposition disease are both responsible for recurrent inflammation flares.…
Abstract Number: 2023 • ACR Convergence 2024
A PEGylated Mammalian Uricase Suitable for Intramuscular Administration to Patients with Refractory Chronic Gout
Frank Fan¹, Riyong Liu¹ and Yu Wang², ¹Chongqing PegBio Biopharm Co.,Ltd., Chongqing, China (People's Republic), ²Hangzhou Grand Biologic Pharmaceutical, Inc., Hangzhou, China (People's Republic)
Background/Purpose: For patients with refractory chronic gout, i.e., those who have frequent gout flares and/or persistent tophi despite treatment with the highest tolerable doses of…
Abstract Number: 0280 • ACR Convergence 2024
Trends in Management and Consultations for Gout: A Study of 18 Million Adults Using the OpenSAFELY Platform
Mark Russell¹, Jon Massey², Edward Roddy³, Brian MacKenna⁴, Seb Bacon⁴, Ben Goldacre⁴, Colm Andrews⁴, George Hickman⁴, Amir Mehrkar², Arti Mahto⁵, Andrew Rutherford⁶, Samir Patel¹, Maryam Adas⁷, Edward Alveyn⁷, deepak Nagra¹, Katie Bechman⁷, Joanna Ledingham⁸, Joanna Hudson⁹, Sam Norton¹, Andrew Cope⁷ and James Galloway¹⁰, ¹King's College London, London, England, United Kingdom, ²University of Oxford, Oxford, England, United Kingdom, ³Keele University, Keele, England, United Kingdom, ⁴University of Oxford, Oxford, United Kingdom, ⁵King's College Hospital NHS Foundation Trust, London, United Kingdom, ⁶King's College Hospital NHS Foundation Trust, London, England, United Kingdom, ⁷King's College London, London, United Kingdom, ⁸Portsmouth Hospitals University NHS Trust, Portsmouth, United Kingdom, ⁹King's College London, King's College London, United Kingdom, ¹⁰Centre for Rheumatic Diseases, King's College London, London, United Kingdom
Background/Purpose: Data from before the COVID-19 pandemic had shown persistently poor care for people with gout in many countries worldwide. Whether this was further exacerbated…
Abstract Number: 2127 • ACR Convergence 2024
Relationship Between Serum Uric Acid and Trabecular Bone Score (TBS) in Healthy Population
Isabella Silvestre Ignarro¹, Gabriela Tieme Ochikubo², Liliam Takayama³, Valeria de falco Caparbo², Camille Pinto Figueiredo², Marcos Rafael Nogueira Cavalcanti¹, Angelita Gomes De Souza¹, Isabela Judith Martins Bensenor¹, Ricardo Fuller¹ and Diogo Domiciano⁴, ¹Bone Metabolism Laboratory, Division of Rheumatology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brazil, ²Bone Metabolism Laboratory, Division of Rheumatology, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, Brazil, São Paulo, SP, Brazil, ³Division of Rheumatology, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, São Paulo, SP, Brazil, ⁴Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil, São Paulo, SP, Brazil
Background/Purpose: Serum uric acid (UA) has been postulated to play a role against bone loss due to antioxidant mechanisms. Some studies have shown association between…
Abstract Number: 0907 • ACR Convergence 2024
Association of Rare and Common Genetic Variants in MOCOS with Inadequate Response to Allopurinol
Niamh Fanning¹, Murray Cadzow², Ruth Topless³, Chris Frampton⁴, Nicola Dalbeth⁵, Tony Merriman⁶ and Lisa Stamp⁴, ¹University of Otago, Christchurch, New Zealand, ²University of Otago, Dunedin 9054, New Zealand, ³University of Otago, Dunedin, New Zealand, ⁴University of Otago, Christchurch, Christchurch, New Zealand, ⁵University of Auckland, Auckland, New Zealand, ⁶University of Alabama at Birmingham, Homewood, AL
Background/Purpose: The minor allele of the common rs2231142 (Q141K) ABCG2 variant predicts inadequate response to allopurinol urate lowering therapy (ULT). We hypothesize that additional variants in genes…

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