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Urine Uric Acid

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161. C14 studies of uric acid turnover. Full Text available with Trip Pro

C14 studies of uric acid turnover. 5677169 1968 11 06 2013 11 21 0003-4967 27 5 1968 Sep Annals of the rheumatic diseases Ann. Rheum. Dis. C14 studies of uric acid turnover. 476-7 Scott J T JT Arnot R R Glass H I HI Holloway V P VP eng Journal Article England Ann Rheum Dis 0372355 0003-4967 0 Carbon Isotopes 268B43MJ25 Uric Acid 63CZ7GJN5I Allopurinol IM Acute Kidney Injury Allopurinol therapeutic use Carbon Isotopes Gout drug therapy Humans Mathematics Uric Acid urine 1968 9 1 1968 9 1 0 1

1968 Annals of the Rheumatic Diseases

162. Porous extraction paddle: a solid phase extraction technique for studying the urine metabolome Full Text available with Trip Pro

from uric acid to peptides.The PEP allows the user to extract a large liquid sample in a jar simply by turning on a motor. The technique will be helpful in conducting metabolomics and xenobiotic exposome studies of urine, encouraging the extraction of large volumes to set up a convenient repository sample (e.g. 2 g of exposed adsorbent in a cryovial) for shipment and re-analysis in various ways in the future, including scaled-up isolation of unknown chemicals for identification. Copyright © 2016 (...) Porous extraction paddle: a solid phase extraction technique for studying the urine metabolome A method was needed to accomplish solid-phase extraction of a large urine volume in a convenient way where resources are limited, towards a goal of metabolome and xenobiotic exposome analysis at another, distant location.A porous extraction paddle (PEP) was set up, comprising a porous nylon bag containing extraction particles that is flattened and immobilized between two stainless steel meshes

2016 Rapid communications in mass spectrometry : RCM

163. Understanding the Urine Electrolyte Profile of the Individual Renal Unit

, oxalate, potassium, magnesium, phosphate, uric acid, and urate. When an abnormality is detected on a 24-hour urine collection the assumption is that this is due to a global metabolic defect present in both kidneys. However, this may not be the case. It is possible there could be a relative imbalance with both kidneys having a defect, but to different degrees (or different defects in one or multiple electrolytes). It is also possible that one kidney has a dominant defect, but the contralateral kidney (...) Understanding the Urine Electrolyte Profile of the Individual Renal Unit Understanding the Urine Electrolyte Profile of the Individual Renal Unit - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please remove one or more studies before adding more

2016 Clinical Trials

164. Idiopathic calcium nephrolithiasis. 1. Differences in urine crystalloids, urine saturation with brushite and urine inhibitors of calcification between persons with and persons without recurrent kidney stone formation. Full Text available with Trip Pro

), the ability of the urine to calcify collagen in vitro, and the concentration of urine inhibitors of collagen calcification were measured. The patients had a reduced urine citrate excretion rate in addition to an increased urine calcium excretion rate, while the rates for urine magnesium, phosphate, uric acid and oxalate were not significantly different in the two groups of subjects. The urine concentration of magnesium, phosphate and uric acid was decreased in the patients because of the higher urine (...) volume. The urine creatinine excretion rate correlated with the rates of excretion of urine calcium, magnesium, phosphate, uric acid and oxalate in both groups, which suggested that increased lean body mass, possibly associated with greater food intake, may be an important determinant of crystalloid excretion. The urine of the patients was significantly more saturated with brushite than the urine of the control subjects and resulted in greater collagen calcification when incubated in vitro. The urine

1979 Canadian Medical Association Journal

165. Treatment response in stone patients with low urine pH and hypocitraturia stratified by body mass index. (Abstract)

in these parameters from baseline. Similarly, we compared the rates of potassium citrate treatment failure.A total of 125 patients with hypocitraturia and low urinary pH were included in this study. Median patient age was 61 years, 80 patients were male and median body mass index was 30.4 kg/m(2). Patients with a higher body mass index tended to be younger (p=0.010), and had a lower urinary citrate but higher sodium, oxalate and uric acid levels. Urinary pH was similar across body mass index groups. pH values (...) Treatment response in stone patients with low urine pH and hypocitraturia stratified by body mass index. Obesity has been shown to be a risk factor for kidney stone formation. Obesity leads to insulin resistance which subsequently leads to low urinary pH. Low urinary pH is typically treated with potassium citrate. We determined if the response to potassium citrate for the treatment of low urinary pH and hypocitraturia varied when patients were stratified by body mass index.We retrospectively

2015 Journal of Urology

166. Differences in 24-h urine composition between nephrolithiasis patients with and without diabetes mellitus. (Abstract)

and multivariable linear regression models were performed, comparing patients with and without DM. A subanalysis of patients with stone analysis data available was performed, comparing the stone composition of patients with and without DM.Of the 1117 patients who comprised the study population, 181 (16%) had DM and 936 (84%) did not have DM at the time of urine analysis. Univariable analysis showed significantly higher total urine volume, citrate, uric acid (UA), sodium, potassium, sulphate, oxalate, chloride (...) Differences in 24-h urine composition between nephrolithiasis patients with and without diabetes mellitus. To examine the differences in 24-h urine composition between nephrolithiasis patients with and without diabetes mellitus (DM) in a large cohort of stone-formers and to examine differences in stone composition between patients with and without DM.A retrospective review of 1117 patients with nephrolithiasis and a 24-h urine analysis was completed. Univariable analysis of 24-h urine profiles

2015 BJU international

167. Safety and Efficacy of Omega-3 Free Fatty Acids in Adolescents With Obesity and Hypertriglyceridemia.

of study treatment Fasting HDL-C [ Time Frame: 12 weeks ] Fasting HDL-C from baseline to week 12 of study treatment Percent Change from baseline in glucose [ Time Frame: 12 weeks ] Percent Change in glucose from baseline to week 12 of study treatment Fasting glucose [ Time Frame: 12 weeks ] Fasting glucose from baseline to week 12 of study treatment Percent Change from baseline in Uric Acid [ Time Frame: 12 weeks ] Percent Change in Uric Acid from baseline to week 12 of study treatment Fasting Uric (...) Acid [ Time Frame: 12 weeks ] Fasting Uric Acid from baseline to week 12 of study treatment Eligibility Criteria Go to Information from the National Library of Medicine Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Layout table for eligibility

2017 Clinical Trials

168. Metabolomic Analysis of Biochemical Changes in the Plasma and Urine of collagen-induced arthritis in rats after Treatment with Huang-Lian-Jie-Du-Tang. (Abstract)

of HLJDT group was able to restore to normal the disturbed urinary levels of citric acid, creatine, pantothenic acid, carnitine, pantothenic acid, phenylacetylglycine and plasma levels of uric acid, L-histidine, and l-phenylalanine in model rats.Our study indicates that HLJDT and its constituents combination treatment can ameliorate CIA through partially regulating the perturbed energy metabolism. Our work demonstrated that metabonomics-based approach is a promising new tool to evaluate the therapeutic (...) Metabolomic Analysis of Biochemical Changes in the Plasma and Urine of collagen-induced arthritis in rats after Treatment with Huang-Lian-Jie-Du-Tang. Huang-Lian-Jie-Du-Tang (HLJDT oren-gedoku-to in Japanese), a classical traditional Chinese medicine (TCM) formula, is well known for the treatment of inflammatory-related diseases such as gastritis, dermatitis, and ulcerative colitis. Our previous studies have indicated that HLJDT has therapeutic potential in rheumatoid arthritis treatment

2014 Journal of Ethnopharmacology

169. The Characteristics of the Stone and Urine Stone Composition in Chinese Stone Formers: Primary Report of a Single-center Results. (Abstract)

product risk indices were also calculated.The major stone constituents in the 507 analyzed stones were as follows: calcium oxalate (78.3%), infection stone components (14.6%), uric acid (3.6%), and calcium phosphate (3.4%). Only 1 stone was composed of cystine (0.2%). Of all patients, 504 (99.4%) had 1 or several urinary metabolic abnormalities. Hypocitraturia was recorded in 93.9%, high sodium excretion in 58.6%, small urine volume in 45.6%, hyperoxaluria in 31.0%, hypercalciuria in 26.0 (...) The Characteristics of the Stone and Urine Stone Composition in Chinese Stone Formers: Primary Report of a Single-center Results. To assess urine composition in Chinese patients with urolithiasis.Five hundred seven Chinese patients with urolithiasis from our center in southern China were included in this study. Analysis of stone composition was performed using infrared spectrometry. From all patients, 24-hour urine samples were collected for analysis of urinary variables. Some ion activity

2014 Urology

170. Urine NGAL and KIM-1 in children and adolescents with hyperuricemia. Full Text available with Trip Pro

into two groups: the hyperuricemic (HU) group comprising 59 subjects with hyperuricemia (defined as serum uric acid >4.8 and >5.5 mg/dl in girls and boys, respectively) and the reference group comprising 29 patients with normouricemia. Urine NGAL and KIM-1 levels were evaluated using a commercially available kit.Concentrations of the examined biomarkers [urine NGAL, NGAL/creatinine (cr.) ratio, urine KIM-1, KIM-1/cr. ratio] were increased in the HU group compared with the reference group (p < 0.01 (...) ). There were positive correlations between the serum uric acid and urine NGAL/cr. ratio (R = 0.67, p < 0.001) and the urine KIM-1/cr. ratio (R = 0.36, p < 0.001). In the multiple regression models, serum uric acid, systolic blood pressure and cholesterol accounted for more than 49 % of the variation in the NGAL/cr. ratio (R = 0.702, p < 0.001). In the second model, serum uric acid, gender, age and systolic blood pressure accounted for more than 36 % of the variation in the KIM-1/cr. ratio (R = 0.604, p

2013 Pediatric Nephrology

171. Differences in 24-Hour Urine Composition Between Apatite and Brushite Stone Formers. (Abstract)

models, adjusting for clinical and demographic factors.A total of 97 patients (88%) had predominantly apatite stones and 13 patients (12%) had predominantly brushite stones. In univariable analysis, brushite stone formers had significantly higher mean 24-hour urinary calcium excretion (apatite = 204.8 ± 103.5 mg vs brushite = 329.7 ± 136.6 mg, P = .007), higher mean super saturation (SS) CaP (apatite = 1.423 ± 0.867 vs brushite = 2.576 ± 0.171, P = .004) and lower mean SS uric acid (apatite = 0.688 (...) ± 0.796 vs brushite = 0.345 ± 0.190, P <.001). Similarly in multivariable analysis, brushite stone formers had significantly higher mean 24-hour urinary calcium excretion (mean difference = 135.1 mg, P <.001) and higher mean SS CaP (mean difference = 1.14, P <.001) but similar mean SS uric acid (mean difference = -0.37, P = .103). All other factors analyzed including body-mass index, urinary pH, volume, oxalate, citrate, sodium, potassium, magnesium, phosphate, chloride, ammonium, sulfate, uric acid

2013 Urology

172. TEMPORARY REMOVAL: The Effect of Dietary Sodium and Fructose Intake on Urine and Serum Parameters of Stone Formation in a Pediatric Mouse Model: A Pilot Study. (Abstract)

Western diet. Body weight was measured twice weekly. Urine was periodically collected and mice were sacrificed on day 30. Samples were pooled to analyze serum and urine electrolyte factors.There was no significant difference in body weights among the groups at any time or in kidney weight at sacrifice (each p >0.15). There was no observable increase in urine stone forming analytes across the arms except uric acid, which tended to be higher in the Western diet and high fructose, high sodium Western (...) TEMPORARY REMOVAL: The Effect of Dietary Sodium and Fructose Intake on Urine and Serum Parameters of Stone Formation in a Pediatric Mouse Model: A Pilot Study. Dietary factors have a role in stone disease in adults but little is known about the relationship in children. We tested whether diet could alter urine and serum parameters in a pediatric mouse model.We randomized 30 female BALB/c mice at age 3 weeks to mouse chow, a complex carbohydrate Western diet or a high fructose, high sodium

2013 Journal of Urology

173. DuoPlavin - clopidogrel / acetylsalicylic acid

DuoPlavin - clopidogrel / acetylsalicylic acid European Medicines Agency 7 Westferry Circus, Canary Wharf, London E14 4HB, UK Tel. (44-20) 74 18 84 00 Fax (44-20) 74 18 86 13 E-mail: mail@ema.europa.eu http://www.ema.europa.eu London, 17 December 2009 Doc. Ref: EMA/CHMP/196090/2010 CHMP ASSESSMENT REPORT FOR DuoPlavin International Nonproprietary Name: clopidogrel / acetylsalicylic acid Procedure No. EMEA/H/C/001143 TABLE OF CONTENTS 1. BACKGROUND INFORMATION ON THE PROCEDURE 3 1.1 Submission (...) for the following indication: DuoPlavin is indicated for the prevention of atherothrombotic events in adult patients already taking both clopidogrel and acetylsalicylic acid (ASA). DuoPlavin is a fixed-dose combination product for continuation of therapy in: ? Non-ST segment elevation acute coronary syndrome (unstable angina or non-Q-wave myocardial infarction) including patients undergoing a stent placement following percutaneous coronary intervention ? ST segment elevation acute myocardial infarction

2010 European Medicines Agency - EPARs

174. DuoCover - clopidogrel / acetylsalicylic acid

DuoCover - clopidogrel / acetylsalicylic acid European Medicines Agency 7 Westferry Circus, Canary Wharf, London E14 4HB, UK Tel. (44-20) 74 18 84 00 Fax (44-20) 74 18 86 13 E-mail: mail@ema.europa.eu http://www.ema.europa.eu London, 17 December 2009 Doc. Ref: EMA/CHMP/195986/2010 CHMP ASSESSMENT REPORT FOR DuoCover International Nonproprietary Name: clopidogrel / acetylsalicylic acid Procedure No. EMEA/H/C/001144 TABLE OF CONTENTS 1. BACKGROUND INFORMATION ON THE PROCEDURE 3 1.1 Submission (...) indication: DuoCover is indicated for the prevention of atherothrombotic events in adult patients already taking both clopidogrel and acetylsalicylic acid (ASA). DuoCover is a fixed-dose combination product for continuation of therapy in: ? Non-ST segment elevation acute coronary syndrome (unstable angina or non-Q-wave myocardial infarction) including patients undergoing a stent placement following percutaneous coronary intervention ? ST segment elevation acute myocardial infarction in medically treated

2010 European Medicines Agency - EPARs

175. A Study Of Pregabalin (Lyrica) Drug Levels In Urine, Plasma And Breast Milk Of Healthy Lactating Women

], mean corpuscular hemoglobin [MCH], mean corpuscular hemoglobin concentration [MCHC], platelets, white blood cell count, lymphocytes, total neutrophils, basophils, eosinophils, monocytes); liver function (bilirubin, aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, total protein, albumin); renal function (blood urea nitrogen, creatinine, uric acid); electrolytes (sodium, potassium, chloride, calcium, bicarbonate); clinical chemistry (glucose); urinalysis (urine pH, glucose (...) A Study Of Pregabalin (Lyrica) Drug Levels In Urine, Plasma And Breast Milk Of Healthy Lactating Women A Study Of Pregabalin (Lyrica) Drug Levels In Urine, Plasma And Breast Milk Of Healthy Lactating Women - Full Text View - ClinicalTrials.gov Hide glossary Glossary Study record managers: refer to the if submitting registration or results information. Search for terms x × Study Record Detail Saved Studies Save this study Warning You have reached the maximum number of saved studies (100). Please

2012 Clinical Trials

176. Variations between two 24-hour urine collections in patients presenting to a tertiary stone clinic Full Text available with Trip Pro

upon presentation between January 2010 and December 2010. Samples were collected on consecutive days and examined for the following 11 urinary parameters: volume, creatinine, sodium, calcium, uric acid, citrate, oxalate, potassium, phosphorous, magnesium and urea nitrogen. For each parameter, the absolute value of the difference between the two samples rather than the direct difference was compared with zero. Similarly, the percent difference between samples was calculated for each parameter.The (...) Variations between two 24-hour urine collections in patients presenting to a tertiary stone clinic The current Canadian Urological Association (CUA) guideline recommends two 24-hour urine collections in the metabolic evaluation for patients with urolithiasis. The aim of the present study was to compare two consecutive 24-hour urine collections in patients with a history of urolithiasis presenting to a tertiary stone clinic.We retrospectively reviewed 188 patients who had two 24-hour collections

2012 Canadian Urological Association Journal

177. Changes in Urine Parameters After Desert Exposure: Assessment of Stone Risk in United States Marines Transiently Exposed to a Desert Environment. (Abstract)

to a desert environment.A total of 50 Marines completed a questionnaire and performed 3, 24-hour urine collections before mobilization to the desert, after 30 days in the desert and 2 weeks after returning from the desert.Daily urine output decreased 68% to 0.52 L despite marked increased fluid intake (17 L per day). Total daily urinary excretion of calcium, uric acid, sodium, magnesium and potassium in the desert decreased by 70%, 41%, 53%, 22% and 36%, respectively. Urinary pH decreased from 6.1 to 5.6 (...) while in the desert, and citrate and oxalate had minimal changes. After their return from the desert, apart from a decrease of 22% in oxalate, there were no statistically significant differences from baseline. While in the desert, relative supersaturation risks of uric acid and sodium urate were increased 153% and 56%, respectively. Brushite relative supersaturation decreased 24%. After their return there was no statistical difference from baseline.Our findings suggest that the kidneys preserved

2012 Journal of Urology

178. Mechanism for calcium urolithiasis among patients with hyperuricosuria: supersaturation of urine with respect to monosodium urate. Full Text available with Trip Pro

Mechanism for calcium urolithiasis among patients with hyperuricosuria: supersaturation of urine with respect to monosodium urate. Since monosodium urate (NaU) may play an important etiologic role in the formation of renal stones containing Ca in patients with hyperuricosuria, the current studies were undertaken to define some of the physiocochemical factors which determine the formation of NaU. In solutions containing Na, uric acid was rapidly transformed to NaU at pH greater than 6 (...) . The results indicated that NaU, and not uric acid, was the stable phase above this pH. A reliable and simple method for the calculation of the state of saturation of urine with respect to NaU was developed from the ratio of concentration products of Na and total dissolved urate (Upi) in the ambient fluid before and after incubation of urine with synthetic NaU. The concentration product ratio closely approximated the ratio of activity products of Na+ and acid urate ion. In contrast, the relative saturation

1977 Journal of Clinical Investigation

179. Effect of Omega-3 Fatty Acids on Methotrexate Induced Hepatotoxicity in Children With Acute Lymphoblastic Leukemia

administration. Patients follow up: The patients were followed up every three week for the whole study period for assessing the effect and compliance to both MTX and Omega-3 fatty acid and for monitoring any potential adverse effect. Group I were asked on each visit about signs of hepatic toxicity ( fatigue , weakness , loss of appetite , vague abdominal pain , color of urine and sclera and jaundice ), their laboratory results were revised to know level of ALT as a marker of liver injury . Group II were (...) ), super oxide dismutase ,liver function tests and uric acids . Blood was collected into heparinised tubes which were protected from light and processed immediately after sampling. At the time of collecting the blood samples, patients were free of any potentially confounding or interfering conditions, such as infections or fever. Study Design Go to Layout table for study information Study Type : Interventional (Clinical Trial) Actual Enrollment : 70 participants Allocation: Randomized Intervention

2015 Clinical Trials

180. The Relationship Between Uric Acid and Inflammatory Markers

and urine tests, and an electrocardiogram. Participants will be divided into two groups based on the existing amount of uric acid in their blood. Within 7 days of the screening visit, participants will have a full-day study visit with a magnetic resonance imaging scan, followed by a high-fat meal and further blood samples collected over the following 8 hours. At least 2 days after the first study visit, participants will have the second study visit, which will require a 2-night stay at the National (...) Institutes of Health. Participants will have a metabolism test, and will receive the following infusions based on the groups they were assigned to at the screening visit. Group A (low uric acid) will receive either uric acid or a placebo. Group B (moderate to high uric acid) will receive either Rasburicase (a drug that reduces the amount of uric acid in the blood) or a placebo. After the infusions and related blood tests, participants will have a high-fat meal with further blood and urine samples

2011 Clinical Trials

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