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Clearance glomerular filtration rate

Masaaki Yanishi, Hidefumi Kinoshita, Takao Mishima, Hisanori Taniguchi, Kenji Yoshida, Yoshihiro Komai, Kaneki Yasuda, Masato Watanabe, Motohiko Sugi, Tadashi Matsuda
PURPOSE: Urinary biomarkers of renal injury urinary may identify loss of renal function following nephron-sparing surgery (NSS). This study was designed to evaluate whether urinary l-type fatty acid-binding protein (l-FABP) is an early biomarker of loss of renal function after NSS. Specifically, the kinetics of urinary l-FABP level after NSS and its correlation with factors related to ischemic renal injury were analyzed. METHODS: This study prospectively evaluated 18 patients who underwent NSS between July and December 2014, including 12 who underwent laparoscopic and six who underwent robot-assisted partial nephrectomy...
October 21, 2016: Renal Failure
Eva Germovsek, Charlotte Barker, Mike Sharland, Joseph F Standing
AIM(S): When different models for weight and age are used in paediatric pharmacokinetic studies it is difficult to compare parameters between studies or perform model-based meta-analysis. This study aimed to compare published models with the proposed standard (allometric weight(0.75) and sigmoidal maturation function). METHODS: A systematic literature search was undertaken to identify published clearance (CL) reports for gentamicin and midazolam and all published models for scaling clearance in children...
October 21, 2016: British Journal of Clinical Pharmacology
Yuko Ohta, Azusa Ishizuka, Hisatomi Arima, Shinichiro Hayashi, Yoshio Iwashima, Masatsugu Kishida, Fumiki Yoshihara, Satoko Nakamura, Yuhei Kawano
Uric acid (UA) has been associated with hypertension, renal disease and cardiovascular disease. The aim of the present study was to compare the UA-lowering effects of a standard dose of the UA synthesis inhibitor febuxostat to a standard dose of the uricosuric agent benzbromarone, and to investigate the effects of a low-dose combination of both agents in hypertensive patients with hyperuricemia. Twenty hypertensive patients with inadequate UA control were administered febuxostat 40 mg (Feb), benzbromarone 50 mg (Ben) and febuxostat 20 mg and benzbromarone 25 mg (feb/ben) for 3 months each in a randomized modified crossover manner...
October 20, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Oleg O Rummo, Mario Carmellini, Lionel Rostaing, Rainer Oberbauer, Maarten H L Christiaans, Christiane Mousson, Robert M Langer, Franco Citterio, Bernard Charpentier, Malcolm Brown, Gbenga Kazeem, Frank Lehner
ADHERE was a randomized, open-label, Phase IV study comparing renal function at Week 52 post-kidney transplant, in patients who received prolonged-release tacrolimus-based immunosuppressive regimens. On days 0-27, patients received prolonged-release tacrolimus (initially 0.2mg/kg/day), corticosteroids and mycophenolate mofetil (MMF). Patients were randomized on Day 28 to receive either prolonged-release tacrolimus plus MMF (Arm 1) or prolonged-release tacrolimus (≥25% dose-reduction on Day 42) plus sirolimus (Arm 2)...
October 18, 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
Hao Yan, Wei Fang, Aiwu Lin, Liou Cao, Zhaohui Ni, Jiaqi Qian
BACKGROUND: Incident patients treated with continuous ambulatory peritoneal dialysis (CAPD) are often prescribed either 3 or 4 exchanges per day. However, the effects on residual kidney function and clinical outcomes of 3 versus 4 exchanges are not known. STUDY DESIGN: Prospective, randomized, controlled, open-label study. SETTING & PARTICIPANTS: Incident CAPD patients aged 18 to 80 years with glomerular filtration rates (GFRs; mean of renal urea and creatinine clearance from a 24-hour urine collection) ≥ 2mL/min and urine volume ≥ 500mL/d...
October 14, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Tonje A Sande, Barry J A Laird, Marie T Fallon
PURPOSE: Opioids are recommended for moderate to severe cancer pain; however, in patients with cancer, impaired renal function can affect opioid metabolism. The aim of this systematic review was to evaluate the current evidence for the use of opioids in cancer patients with renal impairment. METHODS: A systematic review was conducted and the following databases were searched: MEDLINE (1966 to 2015), EMBASE (1980 2015) and Cochrane Central Register of Controlled Trials (up to 2015)...
October 15, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
David K Packham, Ian R Fraser, Peter G Kerr, Karen R Segal
BACKGROUND: Diabetic nephropathy is the most common cause of end stage renal failure. We assessed the safety, tolerability, and explored therapeutic effects of adult allogeneic bone-marrow derived mesenchymal precursor cells (MPC) in patients with moderate to severe diabetic nephropathy. METHODS: Multicenter, randomized, double-blind, dose-escalating, sequential, placebo-controlled trial assessing a single intravenous (IV) infusion of allogeneic MPC (United States adopted name: rexlemestrocel-L) 150×10(6) (n=10), 300×10(6) (n=10) or placebo (n=10) in adults with diabetic nephropathy with an estimated glomerular filtration rate (eGFR) 20-50ml/min/1...
September 17, 2016: EBioMedicine
Marianne Uteng, Andreas Mahl, Nicolau Beckmann, Alessandro Piaia, David Ledieu, Valerie Dubost, Elaine Tritto, Armin Wolf, Pierre Moulin, Li Li, Salah-Dine Chibout, Francois Pognan
The aim of this study was to determine the relative safety of four antiviral drugs (telbivudine, tenofovir, adefovir, entecavir) against hepatitis B virus with respect to kidney function and toxicity in male Spraque-Dawley rats. The antiviral drugs were administered once daily for four weeks by oral gavage at about 10 and 25-40 times the human equivalent dose. Main assessments included markers of renal toxicity in urine, magnetic resonance imaging (MRI) of kidney function, histopathology and electron microscopic examination...
October 13, 2016: Toxicological Sciences: An Official Journal of the Society of Toxicology
Julio A Chirinos, Scott R Akers, Lien Trieu, Harry Ischiropoulos, Paschalis-Thomas Doulias, Ali Tariq, Izzah Vassim, Maheswara R Koppula, Amer Ahmed Syed, Haideliza Soto-Calderon, Raymond R Townsend, Thomas P Cappola, Kenneth B Margulies, Payman Zamani
BACKGROUND: Stable plasma nitric oxide (NO) metabolites (NOM), composed predominantly of nitrate and nitrite, are attractive biomarkers of NO bioavailability. NOM levels integrate the influence of NO-synthase-derived NO production/metabolism, dietary intake of inorganic nitrate/nitrite, and clearance of NOM. Furthermore, nitrate and nitrite, the most abundant NOM, can be reduced to NO via the nitrate-nitrite-NO pathway. METHODS AND RESULTS: We compared serum NOM among subjects without heart failure (n=126), subjects with heart failure and preserved ejection fraction (HFpEF; n=43), and subjects with heart failure and reduced ejection fraction (HFrEF; n=32)...
October 14, 2016: Journal of the American Heart Association
Zhi Su, Deborah Widomski, Ji Ma, Marian Namovic, Arthur Nikkel, Laura Leys, Lauren Olson, Katherine Salte, Diana Donnelly-Roberts, Timothy Esbenshade, Steve McGaraughty
BACKGROUND: Obese ZSF-1 rats display many features of human type II diabetes including nephropathy (DN). The study aimed to further understand the relevance of this model to DN, for which glomerular filtration rate (GFR), renal fibrosis and several urinary/tissue biomarkers was followed over 24 weeks in ZSF-1 rats. METHODS: Intact/sham or uninephrectomized male and female ZSF-1 rats were studied. GFR was measured by transdermal clearance of fluorescein isothiocyanate-sinistrin...
October 14, 2016: American Journal of Nephrology
Yuri Tanaka, Mitsuro Kanda, Chie Tanaka, Daisuke Kobayashi, Akira Mizuno, Naoki Iwata, Masamichi Hayashi, Yukiko Niwa, Hideki Takami, Suguru Yamada, Tsutomu Fujii, Goro Nakayama, Hiroyuki Sugimoto, Michitaka Fujiwara, Yasuhiro Kodera
BACKGROUND: Gastrectomy with systemic lymphadenectomy is the standard of care for resectable gastric cancer (GC), but it is sometimes associated with postoperative morbidity. Predicting complications is therefore an essential part of risk management in clinical practice. The renal function is routinely evaluated before surgery by blood examinations to determine dose of medication and infusion. However, the value of various parameters of renal function in prediction of postoperative complications remain unclear...
October 12, 2016: Gastric Cancer
Funda Sari, Ayca Inci, Suleyman Dolu, Hamit Yasar Ellidag, Ramazan Cetinkaya, Fettah Fevzi Ersoy
This study aims to determine fibroblast growth factor-23 and soluble α-Klotho levels in patients with autosomal dominant polycystic kidney disease. A total of 76 patients with autosomal dominant polycystic kidney disease and 32 healthy volunteers were included in the study. Serum fibroblast growth factor-23 and soluble α-Klotho levels were measured with ELISA kits. Parathyroid hormone, phosphate, calcium, creatinine, 25-hydroxyvitamin D3 levels, urinary protein to creatinine ratio and estimated glomerular filtration rate were also measured or calculated...
October 12, 2016: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
Yasumasa Kawano, Shinichi Morimoto, Yoshito Izutani, Kentaro Muranishi, Hironari Kaneyama, Kota Hoshino, Takeshi Nishida, Hiroyasu Ishikura
BACKGROUND: Augmented renal clearance (ARC) of circulating solutes and drugs has been recently often reported in intensive care unit (ICU) patients. However, only few studies on ARC have been reported in Japan. The aims of this pilot study were to determine the prevalence and risk factors for ARC in Japanese ICU patients with normal serum creatinine levels and to evaluate the association between ARC and estimated glomerular filtration rate (eGFR) calculated using the Japanese equation...
2016: Journal of Intensive Care
Stephen Flach, Marie Croft, Jie Ding, Ron Budhram, Todd Pankratz, Mike Pennick, Graeme Scarfe, Steven Troy, Jay Getsy
PURPOSE: Gastroesophageal reflux disease involves the reflux of gastric and/or duodenal content into the esophagus. Prokinetic therapies, such as the selective 5-hydroxytryptamine receptor 4 agonist revexepride, may aid gastric emptying. This Phase I study evaluated the pharmacokinetics and excretion pathways of [(14)C]revexepride in healthy individuals using a microtracer approach with accelerator mass spectrometry. PARTICIPANTS AND METHODS: Six healthy men received a single oral dose of 2 mg [(14)C]revexepride containing ~200 nCi of radioactivity; blood, urine, and fecal samples were collected over a 10-day period...
2016: Drug Design, Development and Therapy
Philippe Soyer, Anthony Dohan, Deepak Patkar, Andreas Gottschalk
PURPOSE: To investigate the safety of gadoterate meglumine and identify the incidence of nephrogenic systemic fibrosis (NSF). MATERIALS AND METHODS: An international prospective observational study was conducted from November 2008 to June 2013. A total of 35,499 adults and children who were scheduled to undergo contrast-enhanced MRI using gadoterate meglumine were analyzed (female, 53.1%; mean age: 49.5 years; range: 0-98 years). At least 3-month follow-up was planned for patients with an estimated creatinine clearance or glomerular filtration rate <60 mL/min (/1...
October 11, 2016: Journal of Magnetic Resonance Imaging: JMRI
Elias David-Neto, Ana Heloisa Kamada Triboni, Fernanda Ramos, Fabiana Agena, Nelson Zocoler Galante, Marcelo Altona, Francine Brambate Carvalhinho Lemos, Marcelo Tatit Sapienza, William Carlos Nahas
Equations to estimate glomerular filtration rate (eGFR) were developed in patients using the variables: age, body weight and serum creatinine which may be different in the elderly. Elderly renal transplant patients (EG; n=70; mean age 65±4y) who measured plasma (51) Cr-EDTA-Clearance (mGFR) had mGFR compared to eGFR obtained by the Cockcroft-Gault corrected by body surface area (CG-BSA), the Modification of Diet in Renal Disease (MDRD-4), the Berlin Initiative Study (BIS-1) and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI)...
October 11, 2016: Clinical Transplantation
Aireza Shirpoor, Farzaneh Rezaei, Amin Abdollahzade Fard, Ali Taghizadeh Afshari, Farzaneh Hosseini Gharalari, Yousef Rasmi
Chronic alcohol ingestion is associated with pronounced detrimental effects on the renal system. In the current study, the protective effect of ginger extract on ethanol-induced damage was evaluated through determining 8-OHdG, cystatin C, glomerular filtration rate, and pathological changes such as cell proliferation and fibrosis in rats' kidneys. Male wistar rats were randomly divided into three groups and were treated as follows: (1) control, (2) ethanol and (3) ginger extract treated ethanolic (GETE) groups...
October 3, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Kun Li, Jianan Zou, Zhibin Ye, Jianzhong Di, Xiaodong Han, Hongwei Zhang, Weijie Liu, Qinggui Ren, Pin Zhang
BACKGROUND: Obesity is an independent risk factor of development and progression of chronic kidney disease (CKD). Data on the benefits of bariatric surgery in obese patients with impaired kidney function have been conflicting. OBJECTIVE: To explore whether there is improvement in glomerular filtration rate (GFR), proteinuria or albuminuria after bariatric surgery. METHODS: We comprehensively searched the databases of MEDLINE, Embase, web of science and Cochrane for randomized, controlled trials and observational studies that examined bariatric surgery in obese subjects with impaired kidney function...
2016: PloS One
Edoardo Vitolo, Eleonora Santini, Antonio Salvati, Duccio Volterrani, Valerio Duce, Rosa Maria Bruno, Anna Solini
OBJECTIVE: Renal function is often compromised in severe obesity. A true measurement of glomerular filtration rate (GFR) is unusual, and how estimation formulae (EstForm) perform in such individuals is unclear. We characterized renal function and hemodynamics in severely obese individuals, assessing the reliability of EstForm. METHODS: We measured GFR (mGFR) by iohexol plasma clearance, renal plasma flow (RPF) by 123I-ortho-iodo-hippurate, basal and stimulated vascular renal indices, endothelium-dependent and -independent vasodilation using flow-mediated dilation (FMD) as well as metabolic and hormonal profile in morbid, otherwise healthy, obese subjects...
October 5, 2016: Obesity Facts
Afshin Safaei-Asl, Mercede Enshaei, Abtin Heydarzadeh, Shohreh Maleknejad
INTRODUCTION: Assessment of glomerular filtration rate (GFR) is an important tool for monitoring renal function. OBJECTIVES: Regarding to limitations in available methods, we intended to calculate GFR by cystatin C (Cys C) based formulas and determine correlation rate of them with current methods. PATIENTS AND METHODS: We studied 72 children (38 boys and 34 girls) with renal disorders. The 24 hour urinary creatinine (Cr) clearance was the gold standard method...
2016: Journal of Renal Injury Prevention
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