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https://www.readbyqxmd.com/read/27896908/bixalomer-in-hyperphosphatemic-patients-with-chronic-kidney-disease-not-on-dialysis-phase-3-randomized-trial
#1
Tadao Akizawa, Hideki Origasa, Chisato Kameoka, Junko Tsukada, Kentarou Kuroishi, Yusuke Yamaguchi
Currently, calcium- or metal-containing phosphate binders are available to treat hyperphosphatemia in predialysis patients with chronic kidney disease. Bixalomer, a non-calcium, metal-free phosphate binder, has not been studied in these patients. We evaluated the efficacy and safety of bixalomer versus placebo for treatment of hyperphosphatemia in Japanese predialysis patients with chronic kidney disease. This multicenter, randomized, double-blind, phase 3 trial, randomized eligible patients 1:1 to receive bixalomer or placebo for 12 weeks...
November 29, 2016: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/27895754/evaluation-of-the-efficacy-of-paclitaxel-with-curcumin-combination-in-ovarian-cancer-cells
#2
Zeng Liu, Yuan-Yuan Zhu, Zhao-Yuan Li, Si-Qing Ning
The aim of the present study was to evaluate the efficacy of paclitaxel combined with curcumin (CUR) against drug resistance in ovarian cancer cells. PLGA-phospholipid-PEG nanoparticles were prepared using the nano precipitation method. The size and morphology of the nanoparticles were determined using a transmission electron microscope and particle size analyzer. The encapsulation efficiency of nanoparticles was determined using the ultrafiltration centrifugation method. The dialysis method was used to study the release of PLGA-phospholipid-PEG nanoparticles...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27888179/predicting-tuberculosis-risk-in-the-foreign-born-population-of-british-columbia-canada-study-protocol-for-a-retrospective-population-based-cohort-study
#3
Lisa A Ronald, Jonathon R Campbell, Robert F Balshaw, David Z Roth, Kamila Romanowski, Fawziah Marra, Victoria J Cook, James C Johnston
INTRODUCTION: Improved understanding of risk factors for developing active tuberculosis (TB) will better inform decisions about diagnostic testing and treatment for latent TB infection (LTBI) in migrant populations in low-incidence regions. We aim to examine TB risk factors among the foreign-born population in British Columbia (BC), Canada, and to create and validate a clinically relevant multivariate risk score to predict active TB. METHODS AND ANALYSIS: This retrospective population-based cohort study will include all foreign-born individuals who acquired permanent resident status in Canada between 1 January 1985 and 31 December 2013 and acquired healthcare coverage in BC at any point during this period...
November 25, 2016: BMJ Open
https://www.readbyqxmd.com/read/27887889/development-of-intramammary-drug-delivery-systems-novel-in-vitro-release-method
#4
Sanjay Garg, Wen Wang, Yunmei Song, Patricia Eats, Darren J Trott, Stephen W Page, Kiro Petrovski
The aim of this study was to develop an in vitro release model for intramammary drug delivery system (IDDS) evaluation. This study was the first to establish an in vitro-in vivo correlation with investigation of IDDS containing losalocid. Three different methods including standard USP dissolution method with apparatus 2, modified USP method by using a dialysis bag or by using a specific designed enhancer cell system were assessed for the release study. Full cream milk and water were selected as the release media...
November 22, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27875944/development-and-evaluation-of-a-novel-polymeric-hydrogel-of-sucrose-acrylate-co-polymethylacrylic-acid-for-oral-curcumin-delivery
#5
Sijin Huang, Jialei Wang, Qing Shang
A monomer of sucrose acrylate (AC-sucrose) was synthesized by conjugating starting compound sucrose with methyl acrylate (MA). The obtained AC-sucrose was characterized by mass spectrometry (MS) and Fourier transform infrared (FTIR) spectroscopy. AC-sucrose was selected as a monomer to fabricate a novel pH sensitive hydrogel via free radical polymerization. The inner morphology of the final hydrogel was observed with an S-4800 scanning electron microscope (SEM). The swelling and de-swelling behaviors of the hydrogel chips were also studied...
November 23, 2016: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/27873146/comparison-of-dialysis-and-solvatofluorochromism-based-methods-to-determine-drug-release-rates-from-polymer-nanoassemblies
#6
Derek Reichel, Younsoo Bae
PURPOSE: To compare traditional dialysis- and novel solvatofluorochromism (SFC)-based methods for accurate determination of drug release profiles for nanoparticle drug carriers. METHODS: Polymer nanoassemblies (PNAs) varying in drug release patterns were prepared using poly(ethylene glycol), poly(ethylenimine), hydrophobic excipients (palmitate and deoxycholate), and model hydrophobic anticancer drugs with clinical relevance (carfilzomib and docetaxel). Nile blue (NB) was used as a model SFC dye quenching fluorescence in water yet emitting strong fluorescence in the presence of hydrophobic drugs within PNAs...
November 21, 2016: Pharmaceutical Research
https://www.readbyqxmd.com/read/27864708/thyroid-dysfunction-and-kidney-disease-an-update
#7
REVIEW
Pedro Iglesias, María Auxiliadora Bajo, Rafael Selgas, Juan José Díez
Thyroid hormones influence renal development, kidney hemodynamics, glomerular filtration rate and sodium and water homeostasis. Hypothyroidism and hyperthyroidism affect renal function by direct renal effects as well as systemic hemodynamic, metabolic and cardiovascular effects. Hypothyroidism has been associated with increased serum creatinine and decreased glomerular filtration rate. The reverse effects have been reported in thyrotoxicosis. Most of renal manifestations of thyroid dysfunction are reversible with treatment...
November 18, 2016: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/27863085/pharmacokinetics-of-dabrafenib-in-a-patient-with-metastatic-melanoma-undergoing-haemodialysis
#8
John J Park, Alan V Boddy, Xiaoman Liu, David Harris, Vincent Lee, Richard F Kefford, Matteo S Carlino
The combination of dabrafenib and trametinib is a standard of care for the management of BRAF mutant metastatic melanoma. Clinical trials excluded patients with end-stage kidney disease (ESKD) and as such no data are available regarding the safety, efficacy and pharmacokinetics of these drugs in such patients. Here, we present the case of a 78 year-old male patient with ESKD managed with haemodialysis (HD), treated with dabrafenib and trametinib at reduced doses. The patient has had a partial response, and this response continues at 9 months since our last follow up without any dose escalation...
November 10, 2016: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/27855091/healthcare-costs-in-chronic-kidney-disease-and-renal-replacement-therapy-a-population-based-cohort-study-in-sweden
#9
Jonas K Eriksson, Martin Neovius, Stefan H Jacobson, Carl-Gustaf Elinder, Britta Hylander
OBJECTIVE: To compare healthcare costs in chronic kidney disease (CKD) stage 4 or 5 not on dialysis (estimated glomerular filtration rate <30 mL/min/1.73m(2)), peritoneal dialysis, haemodialysis and in transplanted patients with matched general population comparators. DESIGN: Population-based cohort study. SETTING: Swedish national healthcare system. PARTICIPANTS: Prevalent adult patients with CKD 4 or 5 (n=1046, mean age 68 years), on peritoneal dialysis (n=101; 64 years), on haemodialysis (n=460; 65 years) and with renal transplants (n=825; 52 years) were identified in Stockholm County clinical quality registers for renal disease on 1 January 2010...
October 7, 2016: BMJ Open
https://www.readbyqxmd.com/read/27853039/pharmacoeconomic-evaluation-of-diabetic-nephropathic-patients-attending-nephrology-department-in-a-tertiary-care-hospital
#10
J V Jose, M Jose, P Devi, R Satish
AIMS: To evaluate the cost of pharmacotherapy and its determinants in diabetic nephropathy (DN) in the nephrology department of a tertiary care hospital. MATERIALS AND METHODS: A prospective observational study was conducted among adult patients visiting nephrology outpatient department (February-July 2015). Data on demography, investigations, and medications prescribed, direct cost and indirect costs were analyzed. We used Chi-squared test for categorical variables and multivariate linear regression analysis to identify determinants of cost of pharmacotherapy and total cost...
November 16, 2016: Journal of Postgraduate Medicine
https://www.readbyqxmd.com/read/27845727/ligand-fishing-a-remarkable-strategy-for-discovering-bioactive-compounds-from-complex-mixture-of-natural-products
#11
REVIEW
Rongjie Zhuo, Hao Liu, Ningning Liu, Yi Wang
Identification of active compounds from natural products is a critical and challenging task in drug discovery pipelines. Besides commonly used bio-guided screening approaches, affinity selection strategy coupled with liquid chromatography or mass spectrometry, known as ligand fishing, has been gaining increasing interest from researchers. In this review, we summarized this emerging strategy and categorized those methods as off-line or on-line mode according to their features. The separation principles of ligand fishing were introduced based on distinct analytical techniques, including biochromatography, capillary electrophoresis, ultrafiltration, equilibrium dialysis, microdialysis, and magnetic beads...
November 11, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27823925/application-of-a-lc-ms-ms-method-for-evaluating-lung-penetration-of-tobramycin-in-rats-by-microdialysis
#12
P M Bernardi, F Barreto, T Dalla Costa
A bioanalytical LC-MS/MS method was developed and validated to determine tobramycin in plasma and lung microdialysate samples. Tobramycin was separated using a C18 column and a mobile phase consisting of water and acetonitrile, both with 10mM of heptafluorobutyric acid, eluted as gradient. Apramycin was used as internal standard (IS) for plasma samples. Drugs were monitored using electrospray ionization operating on positive mode (ESI+) monitoring the transitions 468.2>163.3 m/z for tobramycin and 540.3>217...
October 27, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/27823551/in-vitro-thrombolytic-potential-of-actinoprotease-from-marine-streptomyces-violaceus-vitygm
#13
V Mohanasrinivasan, C Devi Subathra, S Yogesh, A Govindaraj, S Naine Jemimah
An extracellular thrombolytic protease producing marine Streptomyces sp. VITYGM was isolated and characterized on the basis of morphological, biochemical, and molecular characterization. 16srDNA sequencing and BLAST search analysis of the sequence revealed close affiliation with Streptomyces genera and identified as Streptomyces violaceus VITYGM with 99% similarity. The primary screening for protease activity was observed by casein hydrolysis method followed by radial caseinolytic assay that showed the maximum zone of clearance of 12mm respectively...
November 4, 2016: Cardiovascular & Hematological Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27822602/interhemispheric-regulation-of-the-rat-medial-prefrontal-cortical-glutamate-stress-response-role-of-local-gaba-and-dopamine-sensitive-mechanisms
#14
Derek Lupinsky, Luc Moquin, Alain Gratton
RATIONALE: We previously reported that stressors increase medial prefrontal cortex (PFC) glutamate (GLU) levels as a result of activating callosal neurons located in the opposite hemisphere and that this PFC GLU stress response is regulated by GLU-, dopamine- (DA-), and GABA-sensitive mechanisms (Lupinsky et al. 2010). OBJECTIVES: Here, we examine the possibility that PFC DA regulates the stress responsivity of callosal neurons indirectly by acting at D1 and D2 receptors located on GABA interneurons...
November 7, 2016: Psychopharmacology
https://www.readbyqxmd.com/read/27821616/aortic-brachial-pulse-wave-velocity-ratio-a-blood-pressure-independent-index-of-vascular-aging
#15
Catherine Fortier, Aboubacar Sidibé, Marie-Pier Desjardins, Karine Marquis, Sacha A De Serres, Fabrice Mac-Way, Mohsen Agharazii
Aortic stiffness, a cardiovascular risk factor, depends on the operating mean arterial pressure (MAP). The impact of aortic stiffness on cardiovascular outcomes is proposed to be mediated by the attenuation or the reversal of the arterial stiffness gradient. We hypothesized that arterial stiffness gradient is less influenced by changes in MAP. We aimed to study the relationship between MAP and aortic stiffness, brachial stiffness, and arterial stiffness gradient. In a cross-sectional study of a dialysis cohort (group A, n=304) and a cohort of hypertensive or kidney transplant recipient with an estimated glomerular filtration rate of >45 mL/min/1...
November 7, 2016: Hypertension
https://www.readbyqxmd.com/read/27819409/interventions-for-chronic-kidney-disease-associated-restless-legs-syndrome
#16
REVIEW
Seerapani Gopaluni, Mohamed Sherif, Naim A Ahmadouk
BACKGROUND: Restless legs syndrome (RLS) is defined as the spontaneous movement of the limbs (mainly legs) associated with unpleasant, sometimes painful sensation which is relieved by moving the affected limb. Prevalence of RLS among people on dialysis has been estimated between 6.6% and 80%. RLS symptoms contribute to impaired quality of life and people with RLS are shown to have increased cardiovascular morbidity and mortality.Various pharmacological and non-pharmacological interventions have been used to treat primary RLS...
November 7, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27816629/hdm-pampa-to-predict-gastrointestinal-absorption-binding-percentage-equilibrium-and-kinetics-constants-with-human-serum-albumin-and-using-2-end-point-measurements
#17
Alban Bujard, Charlotte Petit, Pierre-Alain Carrupt, Serge Rudaz, Julie Schappler
The parallel artificial membrane permeability assay (PAMPA) is a high-throughput screening (HTS) technique developed to predict passive permeability through numerous different biological membranes, such as the gastrointestinal tract (GIT), the blood brain barrier (BBB), and the dermal layer. PAMPA is based on an artificial membrane, such as hexadecane (HDM), which separates two compartments (i.e., a donor and an acceptor compartment). In the present study, an HDM-PAMPA method was developed with human serum albumin (HSA) under iso-pH and gradient-pH conditions to predict the percentage of binding, dissociation/association constants (Kd and Ka, respectively) and dissociation/association kinetic rates (koff and kon, respectively) between a given drug and HSA...
November 3, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27814290/influence-of-nanoporous-poly-ether-imide-particle-extracts-on-human-aortic-endothelial-cells-haecs
#18
Reddi K Kumar, Sayantani Basu, Horst-Dieter Lemke, Joachim Jankowski, Karl Kratz, Andreas Lendlein, Sarada D Tetali
Accumulated uremic toxins like indoxyl sulphate, hippuric acid and p-cresyl sulphates in renal failure patients stimulate proinflammatory effects, and consequently kidney and cardiovascular diseases. Low clearance rate of these uremic toxins from the blood of uremic patients by convention techniques like hemodialysis is due to their strong covalent albumin binding (greater than 95%) and hydrophobic nature, which led to alternatives like usage of hydrophobic adsorber's in removing these toxins from the plasma of kidney patients...
November 4, 2016: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/27809803/a-prospective-study-of-treatment-of-carbapenem-resistant-enterobacteriaceae-infections-and-risk-factors-associated-with-outcome
#19
Claudia M D de Maio Carrilho, Larissa Marques de Oliveira, Juliana Gaudereto, Jamile S Perozin, Mariana Ragassi Urbano, Carlos H Camargo, Cintia M C Grion, Anna Sara S Levin, Silvia F Costa
BACKGROUND: To describe the clinical and microbiological data of carbapenem-resistant Enterobacteriaceae (CRE) infections, the treatment used, hospital- and infection-related mortality, and risk factors for death. METHODS: A prospective cohort conducted from March 2011 to December 2012. Clinical, demographic, and microbiological data such as in vitro sensitivity, clonality, carbapenemase gene mortality related to infection, and overall mortality were evaluated. Data were analyzed using Epi Info version 7...
November 3, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27809577/acute-kidney-injury-following-primary-hip-and-knee-arthroplasty-surgery
#20
K B Ferguson, A Winter, L Russo, A Khan, M Hair, M S MacGregor, G Holt
Acute kidney injury (AKI) is a recognised postoperative complication following primary hip/knee arthroplasty surgery. The aim of this study was to determine causative and potentially modifiable risk factors associated with postoperative AKI. Standard data were collected for 413 consecutive arthroplasty patients, both retrospectively and prospectively. Univariate and multivariate analyses were performed to identify any potential causative factors. Eight percent of patients developed postoperative AKI. Univariate analysis found increasing age, history of previous chronic kidney disease and requirement for postoperative intravenous fluids to be risk factors for AKI...
November 4, 2016: Annals of the Royal College of Surgeons of England
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