Abstracts tagged "Uric Acid, Urate"

Abstract Number: 0666 • ACR Convergence 2020
Identification of Intracellular Vacuoles in Synovial Fluid with Calcium Pyrophosphate and Monosodium Urate Crystals
Maria Luisa Peral¹, Irene Calabuig¹, Ana Martín-Carratalá², Mariano Andrés¹ and Eliseo Pascual¹, ¹Hospital General Universitario de Alicante-ISABIAL and Universidad Miguel Hernández de Elche, Alicante, Spain, ²Universidad Miguel Hernández de Elche, Alicante
Background/Purpose: Synovial fluid analysis using polarized microscopy is the gold standard for the diagnosis of crystal-related arthritis. In our experience, we have noted that, when…
Abstract Number: 0674 • ACR Convergence 2020
Disease Control of Hyperuricemia Newly Detected by Medical Check-up: A Retrospective Cohort Study of Health Insurance Claims Data in Japan
Ruriko Koto¹, Akihiro Nakajima¹, Hideki Horiuchi¹ and Hisashi Yamanaka², ¹Teijin Pharma Limited, Tokyo, Japan, ²Sanno Medical Center, Tokyo, Japan
Background/Purpose: Japanese guidelines for managing gout and hyperuricemia recommend the initiation of urate-lowering therapy (ULT) to prevent gouty arthritis in subjects having asymptomatic hyperuricemia with…
Abstract Number: 0675 • ACR Convergence 2020
AR882, a Potent and Selective Uricosuric Agent, Significantly Reduced Serum Urate Levels Following Multiple Ascending Once-Daily Doses in Healthy Subject Volunteers
Zancong Shen¹, Elizabeth Polvent², Vijay Hingorani², Andrea Clouser-Roche², Chris Mikelatis², Rongzi Yan², Shunqi Yan² and Li-Tain Yeh², ¹Arthrosi therapeutics, Laguna Hills, CA, ²Arthrosi Therapeutics Inc, Laguna Hills, CA
Background/Purpose: AR882 is a potent and selective uric acid transporter 1 (URAT1) inhibitor under development for the treatment of hyperuricemia or gout. AR882 exhibited linear…
Abstract Number: 0677 • ACR Convergence 2020
A Multicenter, Efficacy and Safety Study of Methotrexate to Increase Response Rates in Patients with Uncontrolled GOut Receiving Pegloticase (MIRROR): 12-Month Results of an Open-Label Study
John Botson¹, Paul Peloso², Katie Obermeyer³, Brian LaMoreaux³, Lin Zhao³, Michael Weinblatt⁴ and Jeff Peterson⁵, ¹Orthopedic Physicians Alaska, Anchorage, AK, ²Horizon Therapeutics plc, Gurnee, IL, ³Horizon Therapeutics plc, Lake Forest, IL, ⁴Brigham and Women's Hospital, Boston, MA, ⁵Western Washington Medical Group Arthritis Clinic, Bothell, WA
Background/Purpose: Consistent, though limited, published data suggests that methotrexate (MTX) improves treatment response in patients treated with pegloticase for uncontrolled (refractory) gout. Recent case series1-3…
Abstract Number: 0680 • ACR Convergence 2020
Sustained Treat to Target Uric Acid Lowering Therapy Markedly Lowers Fatty Acids Levels in Gout Patients
Monica Guma¹, Roxana Coras², Ru Liu-Bryan³ and Robert Terkeltaub⁴, ¹Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA, ²University of California San Diego, La Jolla, CA, ³Department of Medicine, VAMC/University of California San Diego, San Diego, ⁴VA Medical Center/UC San Diego, San Diego, CA
Background/Purpose: Though hyperuricemia is implicated in cardiovascular disease, the metabolic syndrome, and type 2 diabetes in both gout and in asymptomatic patients, the core metabolism…
Abstract Number: 0685 • ACR Convergence 2020
The Impact of Azathioprine on the Frequency of Persistent Responsiveness to Pegloticase in Patients with Chronic Refractory Gout
Herbert S. Baraf¹, Hope Rainey², Peter Lipsky² and Peter Lipsky³, ¹The Ctr for Rheumatology and Bone Research, Wheaton, MD, ²AMPEL BioSolutions LLC., Charlottesville, VA, ³RILITE Foundation, Charlottesville, VA
Background/Purpose: Pegloticase is a mammalian recombinant uricase coupled to monomethoxy polyethylene glycol that is approved in the US for treatment of patients with chronic refractory…

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