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https://www.readbyqxmd.com/read/28101833/gout-treatment-survey-of-brazilian-rheumatology-residents
#1
REVIEW
Rodrigo Balbino Chaves Amorim, Ana Beatriz Vargas-Santos, Leticia Rocha Pereira, Evandro Silva Freire Coutinho, Geraldo da Rocha Castelar-Pinheiro
To assess the current practices in gout management among Brazilian rheumatology residents. We performed a cross-sectional online survey among all the rheumatology residents and those rheumatologists who had just completed their training (post-residency (PR)) regarding their approach to gout management. Results were compared with the 2012 American College of Rheumatology (ACR) gout guidelines and with the responses of a previous survey with a representative sample of practicing Brazilian rheumatologists (RHE)...
January 19, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28095891/factors-associated-with-initiation-and-persistence-of-urate-lowering-therapy
#2
Mats Dehlin, Emin Hoxha Ekström, Max Petzold, Ulf Strömberg, Gunilla Telg, Lennart T H Jacobsson
BACKGROUND: Gout is the most common inflammatory arthritic disease and is caused by crystal deposition secondary to persistent hyperuricemia. Etiological treatment with urate-lowering therapy (ULT) has been available since the 1950s but previous studies have demonstrated suboptimal degree of treatment. In recent years we have seen recommendations for ULT earlier in the course of the disease, but there are few contemporary reports reflecting the current situation. Therefore we set out to investigate proportion receiving and persisting with ULT after gout diagnosis and predictors thereof...
January 17, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28095793/genetic-variation-underlying-renal-uric-acid-excretion-in-hispanic-children-the-viva-la-familia-study
#3
Geetha Chittoor, Karin Haack, Nitesh R Mehta, Sandra Laston, Shelley A Cole, Anthony G Comuzzie, Nancy F Butte, V Saroja Voruganti
BACKGROUND: Reduced renal excretion of uric acid plays a significant role in the development of hyperuricemia and gout in adults. Hyperuricemia has been associated with chronic kidney disease and cardiovascular disease in children and adults. There are limited genome-wide association studies associating genetic polymorphisms with renal urate excretion measures. Therefore, we investigated the genetic factors that influence the excretion of uric acid and related indices in 768 Hispanic children of the Viva La Familia Study...
January 17, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28095258/the-safety-of-treatment-options-available-for-gout
#4
Naomi Schlesinger
Gout is the most common inflammatory arthritis in humans. Gout treatment includes rapid initiation of anti-inflammatory medications for acute attacks and chronically treating with urate lowering drugs as well as chronic anti-inflammatory prophylaxis. Areas covered: This review aims to provide an overview and discussion of the safety concerns of current treatment options available for gout. Expert opinion: Gout is a curable disease with appropriate treatment. The advent of new therapies provides encouraging opportunities to improve gout management...
January 17, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28089739/the-influence-of-seasonality-on-the-content-of-goyazensolide-and-on-anti-inflammatory-and-anti-hyperuricemic-effects-of-the-ethanolic-extract-of-lychnophora-passerina-brazilian-arnica
#5
Bruno César de Albuquerque Ugoline, Jacqueline de Souza, Fernanda Cristina Ferrari, Zilma Schimith Ferraz Filha, Grazielle Brandão Coelho, Dênia Antunes Saúde-Guimarães
ETHNOPHARMACOLOGICAL RELEVANCE: Lychnophora passerina (Mart ex DC) Gardn (Asteraceae), popularly known as Brazilian arnica, is used in Brazilian folk medicine to treat pain, rheumatism, bruises, inflammatory diseases and insect bites. AIM OF THE STUDY: Investigate the influence of the seasons on the anti-inflammatory and anti-hyperuricemic activities of ethanolic extract of L. passerina and the ratio of the goyazensolide content, main chemical constituent of the ethanolic extract, with these activities...
January 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28089200/limitations-of-the-current-standards-of-care-for-treating-gout-and-crystal-deposition-in-the-primary-care-setting-a-review
#6
Robert T Keenan
PURPOSE: This article outlines several important issues regarding the management of patients with gout. The topics discussed include best practices for gout based on the most current guidelines, opportunities for improving gout management, and current and emerging therapies for gout. METHODS: [PubMed and Google Scholar databases] were search for all articles and trials published before 2016, using the key terms [hyperuricemia, gout, tophi, joint erosion, joint damage, treatment guidelines, American College of Rheumatology (ACR), European League Against Rheumatism (EULAR), flare, comorbidity, epidemiology, adherence, serum uric acid (sUA), monosodium urate (MSU), <6 mg/dL, MSU crystal formation, as well as individual drug names and classes of treatments of interest (allopurinol, febuxostat, colchicine, non-steroidal anti-inflammatories (NSAIDs)]...
January 11, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28087178/acupuncture-for-serum-uric-acid-in-patients-with-asymptomatic-hyperuricemia-a-randomized-double-blind-placebo-controlled-trial
#7
Yingjuan Huang, Jun Meng, Baoguo Sun, Ting Xiang, Xin Zhou, Biyu Xu, Yingzi Wu, Zexiong Chen, Shijun Zhang
BACKGROUND: Hyperuricemia (HUA) is the most common disease associated with cardiovascular disease, metabolic syndrome, hypertension, and kidney disease. The objective of the current study was to evaluate the preliminary efficacy, mechanism, and safety of acupuncture on serum uric acid in patients with asymptomatic HUA. METHODS: A randomized, placebo-controlled trial among 123 patients with asymptomatic HUA was conducted. The acupoints used in the acupuncture group were bilateral Five Shu in Spleen Meridian...
January 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28080907/unsedated-computed-tomography-for-diagnosis-of-pelvic-canal-obstruction-in-a-leopard-gecko-eublepharis-macularius
#8
Kelly DeCourcy, Eric T Hostnik, Josh Lorbach, Sue Knoblaugh
An adult leopard gecko ( Eublepharis macularius ) presented for lethargy, hyporexia, weight loss, decreased passage of waste, and a palpable caudal coelomic mass. Computed tomography showed a heterogeneous hyperattenuating (∼143 Hounsfield units) structure within the right caudal coelom. The distal colon-coprodeum lumen or urinary bladder was hypothesized as the most likely location for the heterogeneous structure. Medical support consisted of warm water and lubricant enema, as well as a heated environment...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079821/febuxostat-induced-agranulocytosis-in-an-end-stage-renal-disease-patient-a-case-report
#9
Xue Er Poh, Chien-Te Lee, Sung-Nan Pei
INTRODUCTION: Febuxostat, a nonpurine xanthine oxidase inhibitor, is approved as the first-line urate-lowering therapy in gout patients with normal renal function or mild to moderate renal impairment. The most common adverse effects of febuxostat are liver function test abnormalities, diarrhea, and skin rash. However, there is insufficient data in patients with severe renal impairment and end-stage renal disease (ESRD). We report the first case, to our knowledge, in which agranulocytosis developed after febuxostat treatment in an ESRD patient...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078984/rasburicase-induced-methemoglobinemia-in-a-patient-with-glucose-6-phosphate-dehydrogenase-deficiency
#10
Maliha Khan, Shilpa Paul, Saad Farooq, Thein Hlaing Oo, Priya Ramshesh, Nitin Jain
BACKGROUND: Rasburicase is commonly used in patients with hematologic malignancies for tumor lysis syndrome prophylaxis and management. Methemoglobinemia is a serious rare adverse effect of rasburicase, more common in patients with G6PD deficiency. Prompt diagnosis and appropriate management of this condition can make the difference between successful recovery and significant morbidity. Here we discuss the link of rasburicase with methemoglobinemia and the pathophysiology behind increased incidence of this side effect in G6PD deficient patients...
January 11, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28078432/-evidence-based-recommendations-for-diagnostics-and-treatment-of-gouty-arthritis-in-the-specialist-sector-s2e-guidelines-of-the-german-society-of-rheumatology-in-cooperation-with-the-awmf
#11
REVIEW
U Kiltz, R Alten, M Fleck, K Krüger, B Manger, U Müller-Ladner, H Nüsslein, M Reuss-Borst, A Schwarting, H Schulze-Koops, A K Tausche, J Braun
Due to the increasing prevalence of gout, particularly in old age, the disease is becoming of increasing importance in Germany. Gout is one of the most common forms of recurrent inflammatory arthritis and is induced by the deposition of monosodium urate crystals in synovial fluid and other tissues. The principal goals of therapy in chronic gout are the symptomatic treatment of the acute joint inflammation and the causal treatment of the underlying metabolic cause, the hyperuricemia. Only a consistent and permanent reduction of the serum uric acid level ultimately results in an efficient avoidance of further gout attacks and therefore the prevention of structural damage...
January 11, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28074640/evaluation-of-pharmacokinetic-interactions-between-lesinurad-a-new-selective-urate-reabsorption-inhibitor-and-commonly-used-drugs-for-gout-treatment
#12
Zancong Shen, Kathy Tieu, David Wilson, Gail Bucci, Michael Gillen, Caroline Lee, Bradley Kerr
Lesinurad is a novel selective uric acid reabsorption inhibitor approved for treatment of hyperuricemia associated with gout in combination with xanthine oxidase inhibitors (XOIs). Open-label pharmacokinetic studies were performed in volunteers or subjects with hyperuricemia (serum uric acid ≥ 8 mg/dL) to investigate interactions of lesinurad (with and without concurrent XOIs) with colchicine and 2 nonsteroidal anti-inflammatory drugs: naproxen and indomethacin. Colchicine studies included consecutive 7-day treatment periods of (1) allopurinol 300 mg, allopurinol 300 mg plus lesinurad 400 or 600 mg, and continued lesinurad 400 or 600 mg; or (2) febuxostat 40 or 80 mg, febuxostat 40 or 80 mg plus lesinurad 400 mg, and continued febuxostat 40 or 80 mg plus lesinurad 600 mg...
January 11, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28068647/berberine-an-isoquinoline-alkaloid-suppresses-txnip-mediated-nlrp3-inflammasome-activation-in-msu-crystal-stimulated-raw-264-7-macrophages-through-the-upregulation-of-nrf2-transcription-factor-and-alleviates-msu-crystal-induced-inflammation-in-rats
#13
Palani Dinesh, MahaboobKhan Rasool
The current study was designed to investigate the therapeutic potential of berberine on monosodium urate (MSU) crystal stimulated RAW 264.7 macrophages and in MSU crystal induced rats. Our results indicate that berberine (25, 50 and 75μM) suppressed the levels of pro-inflammatory cytokines (interleukin-1beta (IL-1β) and tumor necrosis factor alpha (TNFα)) and intracellular reactive oxygen species in MSU crystal stimulated RAW 264.7 macrophages. The mRNA expression levels of IL-1β, caspase 1, nucleotide-binding oligomerization domain-like receptor pyrin domain containing 3 (NLRP3), thioredoxin interacting protein (TXNIP) and kelch-like ECH-associated protein 1 (Keap1) were found downregulated with the upregulation of nuclear factor erythroid-2-related factor 2 (Nrf2) transcription factor and its associated anti-oxidant enzymes: Heme oxygenase I (HO-1), superoxide dismutase (SOD1), glutathione peroxidase (GPx), NADPH quinone oxidoreductase-1 (NQO1) and catalase (CAT) in MSU crystal stimulated RAW 264...
January 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28068545/design-preparation-and-characterization-of-ph-responsive-prodrug-micelles-with-hydrolyzable-anhydride-linkages-for-controlled-drug-delivery
#14
Girija Seetharaman, Adarsh R Kallar, Vineeth M Vijayan, Jayabalan Muthu, Shivaram Selvam
We report a new prodrug micelle-based approach in which a model hydrophobic non-steroidal anti-inflammatory drug (NSAID), ibuprofen (Ibu), is tethered to amphiphilic methoxy polyethylene glycol-polypropylene fumarate (mPEG-PPF) diblock copolymer via hydrolytic anhydride linkages for potential controlled release applications of NSAIDs. Synthesized mPEG-PPF-Ibu polymer drug conjugates (PDCs) demonstrated high drug conjugation efficiency (∼90%) and self-assembled to form micellar nanostructures in aqueous medium with critical micelle concentrations ranging between 16 and 30μg/mL...
December 31, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28067999/evaluation-of-pharmacokinetic-interactions-between-lesinurad-a-new-selective-urate-reabsorption-inhibitor-and-cyp-enzyme-substrates-sildenafil-amlodipine-tolbutamide-and-repaglinide
#15
Michael Gillen, Chun Yang, David Wilson, Shakti Valdez, Caroline Lee, Bradley Kerr, Zancong Shen
Lesinurad is a selective uric acid reabsorption inhibitor approved for the treatment of hyperuricemia associated with gout in combination with xanthine oxidase inhibitors. In vitro assays indicate that lesinurad is an inducer of CYPs in the order CYP3A > CYP2C8 > CYP2C9 > CYP2C19 > CYP2B6 and an inhibitor of CYP2C8 and CYP2C9. To investigate the drug interaction potential of lesinurad, clinical drug interaction studies were conducted. Open-label studies in volunteers investigated the effects of single-/multiple-dose lesinurad on the pharmacokinetics of sildenafil and amlodipine (CYP3A4 induction), tolbutamide (CYP2C9 inhibition/induction), and repaglinide (CYP2C8 inhibition/induction)...
January 9, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/28067087/oral-delivery-of-allopurinol-niosomes-in-treatment-of-gout-in-animal-model
#16
Neelu Singh, Poonam Parashar, Chandra Bhushan Tripathi, Jovita Kanoujia, Gaurav Kaithwas, Shubhini A Saraf
CONTEXT: Gout is a painful disorder which does not have an efficient delivery system for its treatment. OBJECTIVE: Development and in vitro, in vivo evaluation of allopurinol loaded nonionic surfactant based niosomes was envisaged. MATERIALS AND METHODS: Niosomes were prepared with Span 20 and Tween 20(1:1 molar ratio) using ether injection method. The formulations were screened for entrapment efficiency, particle size analysis, zeta potential, release kinetics, in vivo activity and stability studies...
January 8, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28066631/serum-uric-acid-levels-and-cardiovascular-disease-the-gordian-knot
#17
COMMENT
Efrén Martínez-Quintana, Antonio Tugores, Fayna Rodríguez-González
Hyperuricemia is defined as serum uric acid level of more than 7 mg/dL and blood levels of uric acid are causally associated with gout, as implicated by evidence from randomized clinical trials using urate lowering therapies. Uric acid as a cardiovascular risk factor often accompanies metabolic syndrome, hypertension, diabetes, dyslipidemia, chronic renal disease, and obesity. Despite the association of hyperuricemia with cardiovascular risk factors, it has remained controversial as to whether uric acid is an independent predictor of cardiovascular disease...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28044233/management-of-secondary-hyperparathyroidism-how-and-why
#18
REVIEW
Hirotaka Komaba, Takatoshi Kakuta, Masafumi Fukagawa
Secondary hyperparathyroidism (SHPT) is a common complication in chronic kidney disease. Currently, various treatment options are available, including vitamin D receptor activators, cinacalcet hydrochloride, and parathyroidectomy. These treatment options have contributed to the successful control of SHPT, and recent clinical studies have provided evidence suggesting that effective treatment of SHPT leads to improved survival. Although bone disease is the most widely recognized consequence of SHPT and remains a major target for treatment of SHPT, there is increasing evidence that parathyroid hormone (PTH) and fibroblast growth factor 23 (FGF23), both of which are markedly elevated in SHPT, have multiple adverse effects on extraskeletal tissues...
January 2, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28042154/analysis-of-canine-urolith-submissions-to-the-canadian-veterinary-urolith-centre-1998-2014
#19
Doreen M Houston, Heather E Weese, Nick P Vanstone, Andrew E P Moore, J Scott Weese
Understanding urolith trends and risk factors is important for understanding urolithiasis, which is a common problem in dogs. This study evaluated 75 674 canine cystolith submissions to the Canadian Veterinary Urolith Centre between 1998 and 2014. Struvite and calcium oxalate uroliths comprised 80.8% of all uroliths, with calcium oxalate outnumbering struvite. There were significant increases in the proportions of calcium oxalate, mixed and cystine uroliths, and significant decreases in struvite, urate, silica, and calcium phosphate carbonate over the study period...
January 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/28040245/the-rising-prevalence-and-incidence-of-gout-in-british-columbia-canada-population-based-trends-from-2000-to-2012
#20
Sharan K Rai, J Antonio Aviña-Zubieta, Natalie McCormick, Mary A De Vera, Kam Shojania, Eric C Sayre, Hyon K Choi
OBJECTIVES: Gout is increasingly recognized as the most common form of inflammatory arthritis worldwide; however, no Canadian data on the disease burden of gout are available. We estimated the prevalence, incidence, prescription patterns, and comorbidity burden of gout in an entire Canadian province [British Columbia (BC)] over the last decade. METHODS: We utilized PopulationData BC, a province-wide database, to estimate temporal trends in the prevalence and incidence of gout from 2000 to 2012, as well as according to age category...
August 17, 2016: Seminars in Arthritis and Rheumatism
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