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  • Abstract Number: 2896 • 2017 ACR/ARHP Annual Meeting

    Human Cartilage Influences the Crystallization of Monosodium Urate; Understanding the Link between Gout and Osteoarthritis

    Ashika Chhana1, Bregina Pool2, Ally Choi1, Ryan Gao1, Mark Zhu1, Jillian Cornish2, Jacob Munro3 and Nicola Dalbeth4, 1Medicine, University of Auckland, Auckland, New Zealand, 2Department of Medicine, University of Auckland, Auckland, New Zealand, 3Orthopaedics, Auckland City Hospital, Auckland, New Zealand, 4University of Auckland, Auckland, New Zealand

    Background/Purpose:   Monosodium urate (MSU) crystal deposition and gout flares frequently affect joints that have been damaged or are affected by osteoarthritis.  The aim of…
  • Abstract Number: 2898 • 2017 ACR/ARHP Annual Meeting

    New Mouse Model of Gout Risk Variant, ABCG2 Q141K, Reveals Unexpectedly Severe Molecular and Functional Defect in ABCG2 Mediated Intestinal Uric Acid Secretion

    Kazi M. Hoque and Owen M. Woodward, Physiology, University of Maryland School of Medicine, Baltimore, MD

    Background/Purpose: Gout is a common arthritic disease resulting from deposition of monosodium urate crystals in joints and is a consequence of having elevated circulating uric…
  • Abstract Number: 2950 • 2017 ACR/ARHP Annual Meeting

    Validation of a Definition for Flare in Patients with Established Gout

    Angelo L. Gaffo1, Nicola Dalbeth2, Kenneth Saag3, Jasvinder A. Singh4, Elizabeth J. Rahn1, Amy S. Mudano5, Yi-Hsing Chen6, Ching-Tsai Lin7, Sandra Bourke2, Worawit Louthrenoo8, Janitzia Vazquez-Mellado9, Hansel Hernández-Llinas10, Tuhina Neogi11, Ana Beatriz Vargas-Santos12, Geraldo Castelar-Pinheiro13, Rodrigo B. Chaves-Amorim13, Till Uhlig14, Hilde B Hammer14, Maxim Eliseev15, Fernando Perez-Ruiz16, Lorenzo Cavagna17, Geraldine M. McCarthy18, Lisa K. Stamp19, Martijin Gerritsen20, Viktoria Fana21, Francisca Sivera22 and William J. Taylor23, 1Department of Medicine, Division of Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 2University of Auckland, Auckland, New Zealand, 3Division Clinical Immunology & Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 4Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 5University of Alabama at Birmingham, Birmingham, AL, 6Taichung Veterans General Hospital, Taichung, Taiwan, 7Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung, Taiwan, 8Div of Rheumatology, Dept of Internal Medicine, Chiang Mai University, Chiang Mai, Thailand, 9Rheumatology, Hospital General de Mexico, Mexico City, Mexico, 10Hospital General de Mexico, Mexico City, Mexico, 11Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, Boston, MA, 12Internal Medicine Department, Division of Rheumatology, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil, 13Universidade do Estado do Rio de Janeiro - UERJ, Rio de Janeiro, Brazil, 14Dept. of Rheumatology, Diakonhjemmet Hospital, Oslo, Norway, 15V. A. Nasonova Research Institute of Rheumatology, Moscow, Russian Federation, 16Servicio de Reumatología, Vizcaya, Spain, 17Division of Rheumatology, University and IRCCS Policlinico S. Matteo Foundation, Pavia, Italy, 18Div of Rheumatology, Mater Misericordiae University Hospital, Dublin, Ireland, 19University of Otago, Christchurch, New Zealand, 20Westfries Gasthuis, Hoorn, Netherlands, 21Center for Rheumatology and Spine Diseases, Rigshospitalet , Glostrup, Copenhagen Center for Arthritis Research (COPECARE), Copenhagen, Denmark, 22Sección de Reumatología, Hospital General Universitario de Elda., Elda, Spain, 23University of Otago, Wellington, New Zealand

    Background/Purpose: A standardized validated definition for gout flares (or attacks) is not available. Two provisional definitions published in 2012 were based on patient-reported elements (patient-defined…
  • Abstract Number: 2989 • 2017 ACR/ARHP Annual Meeting

    Hydration and Gout: Looking at New Modes of Uric Acid Management

    Patricia Kachur1, Chirag Bambhroliya2, Hong Liang3 and Pramil Cheriyath2, 1Internal Medicine, Ocala Regional Medical Center, Ocala, FL, 2Ocala Regional Medical Center, Ocala, FL, 3North Florida Regional Medical Center, Gainsville, FL

    Background/Purpose: Gout affects more than 4% of adults in the United States, and it is the most common form of inflammatory arthritis among men. Studies…
  • Abstract Number: 7L • 2016 ACR/ARHP Annual Meeting

    Overall Reduction in Acute Flares during Treatment with Febuxostat Compared with Placebo over 2 Years in Patients with Early Gout

    Nicola Dalbeth1, Kenneth G. Saag2, William Palmer3, Hyon K. Choi3, Barbara Hunt4, Patricia MacDonald4, Ulrich Thienel5 and Lhanoo Gunawardhana4, 1University of Auckland, Auckland, New Zealand, 2University of Alabama at Birmingham, Birmingham, AL, 3Massachusetts General Hospital/Harvard Medical School, Boston, MA, 4Takeda Pharmaceuticals International, Deerfield, IL, 5RRD International, Rockville, MD

    Background/Purpose: No clinical trials have previously investigated the frequency of acute flares in early gout or the benefit of instituting urate-lowering therapy (ULT) earlier in…
  • Abstract Number: 75 • 2016 ACR/ARHP Annual Meeting

    Genetic Analysis of Urate Transporters ABCG2, SLC17A3, SLC22A11 and SLC17A1 in Primary Hyperuricemia and Gout

    Blanka Stiburkova1,2, Pavel Cepek1, Lenka Petru1,3, Katerina Pavelcova1,3, Jakub Zavada4 and Karel Pavelka4, 1Institute of Rheumatology, Prague, Czech Republic, 2Institute of Inherited Metabolic Disorders, First Faculty of Medicine, Charles University in Prague, Prague, Czech Republic, 3Department of Rheumatology, First Faculty of Medicine, Charles University in Prague, Prague, Czech Republic, 4Institute of Rheumatology and Department of Rheumatology, 1st Faculty of Medicine, Charles University in Prague, Prague, Czech Republic

    Background/Purpose: The urate transporters are one of the genetic determinants of serum uric acid concentrations. In the present study, we describe the analysis of sequencing…
  • Abstract Number: 161 • 2016 ACR/ARHP Annual Meeting

    Are Ultrasound Definitions in Gout Reliable?: Preliminary Results from a Latin American Reliability Exercise

    Tomas Cazenave1, Anthony M. Reginato2, Marwin Gutierrez3, Christian A. Waimann4,5, Santiago Ruta6, Lucio Ventura7, Cristina Hernandez-Diaz8, Marcelo Audisio9, Ana Bertoli10, Clarisa Sandobal11, Carla Solano12, Félix Fernández Castillo13, Rodolfo Arape14, Maritza Quintero15, Oscar Sedano16 and Carlos Pineda17, 1Instituto de Rehabilitación Psicofísica, Buenos Aires, Argentina, 2Rhode Island Hospital, The Warren Alpert School of Medicine at Brown University, Providence, RI, 3Instituto Nacional de Rehabilitación, Mexico, Mexico, 4Escuela Superior de Ciencias de la Salud, UNICEN., Olavarria,, Argentina, 5Rheumatology, Hospital Dr. Hector Cura, Olavarria, Argentina, 6Rheumatology Unit, Internal Medicine Service, Hospital Italiano de Buenos Aires, Instituto Universitario Hospital Italiano de Buenos Aires, and Fundacion PM Catoggio, Buenos Aires, Argentina, 7Instituto Nacional de Rehabilitación, Ciudad de México, Mexico, 8Instituto Nacional de Rehabilitación, Mexico City, Mexico, 9Servicio de Reumatología del Hospital Nacional de Clínicas, Córdoba, Argentina, 10Instituto Reumatológico Strusberg, Córdoba, Argentina, 11Hospital José María Cullen, Santa Fe, Argentina, 12Hospital Nacional Rosales, Salvador, El Salvador, 13Clínica Razetti, Barquisimeto, Venezuela (Bolivarian Republic of), 14Centro Clínico La Isabelica, Carabobo, Venezuela, 15Instituto Autónomo Hospital Universitario de Los Andes, Universidad de Los Andes, Mérida, Venezuela, 16Escuela de ecografia musculoesqueletica y articular ECOSERMEDIC, Lima, Peru, 17Instituto Nacional de Rehabilitation, Mexico, Mexico

    Background/Purpose: Although there is a consistent body of evidence supporting the use of Ultrasound (US) in Gout, several definitions for US lesions have been proposed.…
  • Abstract Number: 194 • 2016 ACR/ARHP Annual Meeting

    Pharmacokinetics, Pharmacodynamics, and Tolerability of Concomitant Multiple Dose Administration of Verinurad (RDEA3170) and Allopurinol in Adult Male Subjects with Gout

    Jesse Hall1, Michael Gillen2, Xiaojuan Yang1, Sha Liu1, Susan Walker1, Vicki Clauson1 and Martin Kankam3, 1Ardea Biosciences, Inc., San Diego, CA, 2AstraZeneca, Gaithersburg, MD, 3Vince and Associates Clinical Research, Inc.,, Overland Park, KS

    Background/Purpose: Verinurad (RDEA3170) is a novel selective uric acid reabsorption inhibitor in clinical development for the treatment of hyperuricemia and gout. This Phase 1, single-blind,…
  • Abstract Number: 195 • 2016 ACR/ARHP Annual Meeting

    Pharmacodynamics, Pharmacokinetics, and Safety of Verinurad in Combination with Febuxostat Versus Febuxostat Alone and Verinurad Alone in Japanese Adults with Gout or Asymptomatic Hyperuricemia: A Phase 2a, Open-Label Study

    Masanari Shiramoto1, Masatoshi Sugeno2, Sha Liu3, Zangong Shen3 and Jesse Hall3, 1SOUSEIKAI PS Clinic, Fukuoka, Japan, 2AstraZeneca K.K., Osaka, Japan, 3Ardea Biosciences, Inc., San Diego, CA

    Background/Purpose: Verinurad (RDEA3170) is a high-affinity URAT1 inhibitor in development for the treatment of gout and asymptomatic hyperuricemia. This Phase 2a, randomized, open-label, single-site study…
  • Abstract Number: 196 • 2016 ACR/ARHP Annual Meeting

    Pharmacodynamic Effects and Safety of Verinurad in Combination with Allopurinol Versus Allopurinol Alone in Adults with Gout: A Phase 2a, Open-Label Study

    Roy Fleischmann1, Peter Winkle2, Jesse Hall3, Xiaohong Yan3, Jeffrey N. Miner3,4, Liz Hicks3, Shakti Valdez3 and Martha Hernandez-Illas5, 1Medicine, University of Texas Southwestern Medical Center, Dallas, TX, 2Anaheim Clinical Trials, Anaheim, CT, 3Ardea Biosciences, Inc., San Diego, CA, 4Discovery Biology, Ardea Biosciences, Inc., San Diego, CA, 5QPS MRA (Miami Clinical Research), Miami, FL

    Background/Purpose: Verinurad (RDEA3170) is a high-affinity, selective URAT1 inhibitor in development for treatment of gout and asymptomatic hyperuricemia. This Phase 2a, randomized, open-label, multicenter study…
  • Abstract Number: 197 • 2016 ACR/ARHP Annual Meeting

    Pharmacodynamic Effects and Safety of Verinurad in Combination with Febuxostat Versus Febuxostat Alone in Adults with Gout: A Phase 2a, Open-Label Study

    Roy Fleischmann1, Peter Winkle2, Jesse Hall3, Shakti Valdez3, Sha Liu3, Xiaohong Yan3, Liz Hicks3 and Martha Hernandez-Illas4, 1Medicine, University of Texas Southwestern Medical Center, Dallas, TX, 2Anaheim Clinical Trials, Anaheim, CT, 3Ardea Biosciences, Inc., San Diego, CA, 4QPS MRA (Miami Clinical Research), Miami, FL

    Background/Purpose: Verinurad (RDEA3170) is a high-affinity, selective URAT1 inhibitor in development for treatment of gout and asymptomatic hyperuricemia. This Phase 2a, randomized, open-label, multicenter study…
  • Abstract Number: 198 • 2016 ACR/ARHP Annual Meeting

    A Phase 2 Study to Evaluate the Efficacy and Safety of Febuxostat Extended- Versus Immediate-Release Formulations in Patients with Gout and Moderate Renal Impairment

    Lhanoo Gunawardhana1, Michael A. Becker2, Andrew Whelton3, Barbara Hunt1, Majin Castillo1, Xinxin Dong1 and Kenneth Saag4, 1Takeda Pharmaceuticals International, Deerfield, IL, 2Medicine, University of Chicago, Chicago, IL, 3Johns Hopkins University, Hunt Valley, MD, 4University of Alabama at Birmingham, Birmingham, AL

    Background/Purpose: Data generated by Phase 1 and 2 studies suggest that the extended-release (XR) formulation of febuxostat (FBX) may provide equal or better reduction in…
  • Abstract Number: 199 • 2016 ACR/ARHP Annual Meeting

    A Phase 3 Study to Evaluate the Efficacy and Safety of Febuxostat Extended- Versus Immediate-Release Formulations in Patients with Gout

    Kenneth Saag1, Michael A. Becker2, Andrew Whelton3, Barbara Hunt4, Majin Castillo4, Krisztina Kisfalvi4 and Lhanoo Gunawardhana4, 1University of Alabama at Birmingham, Birmingham, AL, 2Medicine, University of Chicago, Chicago, IL, 3Johns Hopkins University, Hunt Valley, MD, 4Takeda Pharmaceuticals International, Deerfield, IL

    Background/Purpose: Data generated by Phase 1 and 2 studies suggest that the extended-release (XR) formulation of febuxostat (FBX) may provide equal or better reduction in…
  • Abstract Number: 200 • 2016 ACR/ARHP Annual Meeting

    The Safety and Efficacy of Benzbromarone in Gout in Aotearoa New Zealand

    Lisa K. Stamp1, Janine Haslett1, Christopher Frampton1, Doug White2, David Gardner3, Simon Stebbings4, Guy Taylor5, Rebecca Grainger6, Rajesh Kumar7, Sunil Kumar8, Tracey Kain9, David Porter10, Michael Corkill11, Angela Cathro12, Scott Metcalfe12, John Wyeth12 and Nicola Dalbeth13, 1University of Otago, Christchurch, New Zealand, 2Waikato Hospital, Hamilton, New Zealand, 3Hawkes Bay DHB, Napier, New Zealand, 4Department of Medicine, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand, 5Whanganui Hospital, Whanganui, New Zealand, 6Wellington Regional Rheumatology Unit, Hutt Valley District Health Board, Lower Hutt, New Zealand, 7Taranaki Hospital, New Plymouth, New Zealand, 8Middlemore Hospital, Auckland, New Zealand, 9Tauranga Hospital, Tauranga Hospital, Tauranga, New Zealand, 10Porter Rheumatology Ltd, The Collingwood Centre, Nelson, New Zealand, 11North Shore Hospital, Auckland, New Zealand, 12Pharmaceutical Management Agency, Wellington, New Zealand, 13Department of Medicine, University of Auckland, Auckland, New Zealand

    Background/Purpose: Benzbromarone is a potent uricosuric, but is not widely available due to concerns about hepatotoxicity. In Aotearoa New Zealand benzbromarone has been available since…
  • Abstract Number: 203 • 2016 ACR/ARHP Annual Meeting

    Allopurinol Dose Escalation and Mortality Among Patients with Gout: A National Propensity-Matched Cohort Study

    Brian W Coburn1,2, Kaleb Michaud3, Debra A Bergman2 and Ted R Mikuls4,5, 1Research Service, Veterans Affairs Nebraska-Western Iowa Health Care System, Omaha, NE, 2Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, 3Internal Medicine, University of Nebraska Medical Center, Omaha, NE, 4Veteran Affairs Nebraska-Western Iowa Health Care System and University of Nebraska Medical Center, Omaha, NE, 5Internal Medicine, Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE

    Allopurinol Dose Escalation and Mortality among Patients with Gout: A National Propensity-Matched Cohort Study  Background/Purpose: Numerous epidemiologic studies show that hyperuricemia and gout are associated…
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