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Dialysis of drugs

Eugen Widmeier, Weizhen Tan, Merlin Airik, Friedhelm Hildebrandt
INTRODUCTION: Steroid-resistant nephrotic syndrome (SRNS) inevitably progresses to end-stage kidney disease, requiring dialysis or transplantation for survival. However, treatment modalities and drug discovery remain limited. Mutations in over 30 genes have been discovered as monogenic causes of SRNS. Most of these genes are predominantly expressed in the glomerular epithelial cell, the podocyte, placing it at the center of the pathogenesis of SRNS. Podocyte migration rate (PMR) represents a relevant intermediate phenotype of disease in monogenic causes of SRNS...
October 19, 2016: American Journal of Physiology. Renal Physiology
P Fabbrini, K Finkel, M Gallieni, G Capasso, M Cavo, A Santoro, S Pasquali
Acute kidney injury (AKI) is a frequent complication of multiple myeloma and is associated with increased short-term mortality. Additionally, even a single episode of AKI can eventually lead to end-stage renal disease (ESRD), significantly reducing quality of life and long-term survival. In the setting of multiple myeloma, severe AKI (requiring dialysis) is typically secondary to cast nephropathy (CN). Renal injury in CN is due to intratubular obstruction from precipitation of monoclonal serum free light chains (sFLC) as well as direct tubular toxicity of sFLC via stimulation of nuclear factor (NF)κB inflammatory pathways...
October 18, 2016: Journal of Nephrology
George Bakris
Resistant hypertension is defined as a blood pressure above 140/90 mmHg despite adherence to a combination of at least three optimally dosed antihypertensive medications, one of which is a diuretic. Chronic kidney disease (CKD) is one of the more common patient comorbidities associated with resistant hypertension. Recommended low-salt diet and triple antihypertensive drug regimens that include a diuretic, should be complemented by the sequential addition of other antihypertensive drugs. CKD is associated with premature vascular ageing, characterized by accelerated arteriosclerosis or atherosclerosis and endothelial dysfunction...
September 2016: Journal of Hypertension
Solomon Kadiri
Hypertension prevalence rates in most urbanized areas of Africa range from 20-30%, with a recent systematic review reporting 16.2% for sub-Saharan Africa. These rates are lower than those in the West but the age standardized rates are higher than in other regions of the world. The attendant morbidity and mortality are disproportionately high. For example, failure of nocturnal dipping and microalbuminuria, predictive of vascular disease, occur relatively early in the course of hypertension and predispose to early vascular disease...
September 2016: Journal of Hypertension
Petra Füredi, Zsófia Edit Pápay, Kristóf Kovács, Borbála Dalmadi Kiss, Krisztina Ludányi, István Antal, Imre Klebovich
The number of topical fungal infections is growing, mostly owing to immunosuppressive therapy. Several topical fungal infections, such as eye mycoses, can be treated by local administration of antimycotic drugs. One major group of the antifungal agents is triazole, such as voriconazole (VCZ), which is used as the first line treatment of aspergillosis. A disadvantage of VCZ is its low water solubility making the drug difficult to administer in a liquid preparation. The lipid-based nanoparticles (LNP) have attracted increasing attention due to their advantageous properties...
October 1, 2016: Journal of Pharmaceutical and Biomedical Analysis
F Salazar Meira, J Zemiacki, A E Figueiredo, L Viliano Kroth, D Saute Kochhann, D O d'Avila, M Traesel, D Saitovitch, C E Poli-de-Figueiredo
BACKGROUND: One of the main postoperative complications of kidney transplant is delayed graft function (DGF), which means absence of graft function after transplant or the need for dialysis during the first week post procedure. The occurrence of DGF currently in our hospital is high and has been attributed to a combination of many factors. The aim of this study was to evaluate the factors associated to DGF and their influence in the outcome of kidney transplants. METHODS: Historical cohort of 150 patients transplanted with live or deceased donor kidneys from 2011 to 2013...
September 2016: Transplantation Proceedings
Francia C Díaz, Esteban Sáez-González, Salvador Benlloch, Diego Álvarez-Sotomayor, Isabel Conde, Begoña Polo, María García, María Rodríguez, Martín Prieto
:  Background and aims. Steroid-related hepatotoxicity has become one of the most relevant causes of drug induced liver cholestasis. Some patients do not improve after standard medical treatment (SMT) and may therefore require other approaches, like extracorporeal liver support. MATERIAL AND METHODS: We report four cases of patients with pruritus, abnormal liver function tests and biopsy-proven anabolic steroid-induced cholestasis who were unresponsive to SMT. They underwent treatment with albumin dialysis (Molecular Adsorbent Recirculating System -MARS®-)...
November 2016: Annals of Hepatology
Patrick Biggar, Frank Leistikow, Andreas Walper
AIMS: The aim of this study was to investigate the effectiveness, safety, and tolerability of iron isomaltoside in routine practical care of iron deficiency anemia (IDA) in patients with chronic renal failure. METHODS: The study included 698 patients with IDA on dialysis or with nondialysis chronic kidney disease (CKD) stages 3 - 5 designated by their physicians for treatment with iron isomaltoside. Data were recorded at baseline and after 3 and 9 months. Effectiveness data included measurement of hemoglobin (Hb), hematocrit, s-iron, transferrin saturation (TSAT), and s-ferritin...
October 14, 2016: Clinical Nephrology
Fabiana Gatti de Menezes, Rodrigo Martins Abreu, Alexander Itria
Introduction: Secondary hyperparathyroidism (SHPT) is a consequence of chronic kidney disease. The treatment at the Brazilian Unified Heath System (SUS) is performed with calcitriol, a drug which favors hypercalcemia and/or hyperphosphatemia, hindering the control of SHPT. Another option is paricalcitol, which causes parathormone (PTH) suppression faster than calcitriol, with minor changes in calcium-phosphorus product and calcium and phosphorus serum levels. Objective: This study aims to develop a cost-effectiveness analysis of paricalcitol versus calcitriol for patients in dialytic treatment with SHPT, from the SUS perspective...
July 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Haruna Hirata, Shintaro Fumoto, Hirotaka Miyamoto, Mikiro Nakashima, Morio Nakayama, Koyo Nishida
Long-term peritoneal dialysis (PD) frequently produces morphological and functional changes of the peritoneum, making continuation of PD difficult. Therefore, it is necessary to evaluate peritoneal injury at an early stage and develop appropriate therapies. The aims of the present study were to evaluate peritoneal injury at an early stage and assess a drug for prevention of peritoneal injury using our previously developed novel evaluation method. Peritoneal injury was induced in model animals by intraperitoneal injection of methylglyoxal (MGO) for 1 to 5 consecutive days or chlorhexidine digluconate (CG) for 1 to 14 consecutive days...
2016: Biological & Pharmaceutical Bulletin
Azra Rabbani-Chadegani, Hossein Mollaei, Javad Sargolzaei
Berberine is a natural plant alkaloid with high pharmacological potential. Although its interaction with free DNA has been the subject of several reports, to date there is no work concerning the effect of berberine on nucleoprotein structure of DNA, the nucleosomes. The present study focuses on the binding affinity of berberine to nucleosomes and histone H1 employing various spectroscopic techniques, fluorescence, circular dichroism, thermal denaturation as well as equilibrium dialysis. The results showed that the binding of berberine to nucleosomes is positive cooperative with Ka=5...
September 28, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Roberto Pecoits-Filho
Diabetic kidney disease (DKD) is one of the most frequent and dangerous complications of DM2, affecting about one-third of the patients. DKD results in increased hospitalizations and mortality rates, especially due to cardiovascular complications. This high burden of kidney disease is mainly due to the increasing complexity of in- outpatient care for patients with DM. There is a strikingly complex interaction of kidney dysfunction with many aspects of diabetes care, such as redefinition of targets of treatment, interactions of traditional and non-traditional risk factors, and pharmacological issues related to pharmacokinetic and side effects of drugs ...
October 4, 2016: Panminerva Medica
Anisha Mazumder, Anupma Dwivedi, Lizelle T Fox, Alicia Brümmer, Jan L du Preez, Minja Gerber, Jeanetta du Plessis
OBJECTIVES: Sinigrin is a major glucosinolate present in plants of the Brassicaceae family. Recently, sinigrin and its phytosome formulations have been investigated for its wound-healing actions, by our research group. The aim of this study was to demonstrate sinigrin drug release from its phytosome complex and also to determine whether the phytosome complex enhances the delivery of sinigrin into the skin when compared to free sinigrin. METHODS: In vitro Franz cell diffusion studies were performed on human abdominal skin...
October 2, 2016: Journal of Pharmacy and Pharmacology
Yousheng Zhou, Chunsheng He, Kuan Chen, Jieren Ni, Yu Cai, Xiaodi Guo, Xiao Yu Wu
Nanoparticle formulations have found increasing applications in modern therapies. To achieve desired treatment efficacy and safety profiles, drug release kinetics of nanoparticles must be controlled tightly. However, actual drug release kinetics of nanoparticles cannot be readily measured due to technique difficulties, although various methods have been attempted. Among existing experimental approaches, dialysis method is the most widely applied one due to its simplicity and avoidance of separating released drug from the nanoparticles...
September 29, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
Rajendran Amarnath Praphakar, Murugan A Munusamy, Kishor Kumar Sadasivuni, Mariappan Rajan
We have developed a nano drug delivery system for the treatment of tuberculosis (TB) using rifampicin (RF) encapsulated in poly(ester amide)s nanoparticles (PEA-RF-NPs), which are biocompatible polymers. In this study, biodegradable amino acid based poly(ester amide)s (PEAs) were synthesized by the poly condensation reaction and RF-loaded NPs were fabricated by the dialysis method. The surface morphology and in-vitro drug release efficiency were examined. The effect of time and temperature on the cellular uptake of PEA-RF-NPs in NR8383 cells was evaluated...
September 30, 2016: International Journal of Pharmaceutics
Leonardo Lara-Valderrábano, Luisa Rocha, Emilio J Galván
Propylparaben (PPB) is an antimicrobial preservative widely used in food, cosmetics, and pharmaceutics. Virtual screening methodologies predicted anticonvulsant activity of PPB that was confirmed in vivo. Thus, we explored the effects of PPB on the excitability of hippocampal neurons by using standard patch clamp techniques. Bath perfusion of PPB reduced the fast-inactivating sodium current (INa) amplitude, causing a hyperpolarizing shift in the inactivation curve of the INa, and markedly delayed the sodium channel recovery from the inactivation state...
September 28, 2016: Neurotoxicology
Joo Myung Lee, Jeehoon Kang, Euijae Lee, Doyeon Hwang, Tae-Min Rhee, Jonghanne Park, Hack-Lyoung Kim, Sang Eun Lee, Jung-Kyu Han, Han-Mo Yang, Kyung Woo Park, Sang-Hoon Na, Hyun-Jae Kang, Bon-Kwon Koo, Hyo-Soo Kim
OBJECTIVES: The purpose of this study was to evaluate the clinical impact of chronic kidney disease (CKD) on clinical outcomes in contemporary practice of percutaneous coronary intervention (PCI) using second-generation drug-eluting stents (DES). BACKGROUND: Although second-generation DES have improved the safety and efficacy issues in PCI, data regarding the performance of second-generation DES in patients with CKD are still limited. METHODS: We performed a patient-level pooled analysis on 12,426 patients undergoing PCI using second-generation DES from the Korean Multicenter Drug-Eluting Stent Registry...
September 22, 2016: JACC. Cardiovascular Interventions
Mitra Naseri, Gholam-Reza Sarvari, Mohammad Esmaeeli, Anoush Azarfar, Zahra Rasouli, Giti Moeenolroayaa, Shohre Jahanshahi, Simin Farhadi, Zohreh Heydari, Narges Sagheb-Taghipoor
INTRODUCTION: Folic acid and vitamin B12, alone or in combination have been used to reduce homocysteine (Hcy) levels in dialysis patients. OBJECTIVES: We aimed to assess the efficacy of high doses of oral folate and vitamin B12 in reducing plasma Hcy levels after a 12-week treatment. PATIENTS AND METHODS: Thirty-two dialysis patients aged 10-324 months screened for hyperhomocysteinuria. Then cases with hyperhomocysteinemia received oral folate 10 mg/day with sublingual methylcobalamin 1 mg/day for 12 weeks...
2016: Journal of Renal Injury Prevention
Nidhi Nath, Becky Godat, Marjeta Urh
Antibodies labeled with small molecules like fluorescent dyes, cytotoxic drugs, and radioactive tracers are essential tools in biomedical research, immunodiagnostics and more recently as therapeutic agents. Traditional methods for labeling antibodies with small molecules require purified antibodies at relatively high concentration, involve multiple dialysis steps and have limited throughput. However, several applications, including the field of Antibody Drug Conjugates (ADCs), will benefit from new methods that will allow labeling of antibodies directly from cell media...
2016: Journal of Visualized Experiments: JoVE
Philip H Li, Vincent C Cheng, Terence Yip, Desmond Y Yap, Sing-Leung Lui, Wai K Lo
♦ Background: Acinetobacter spp. is an important cause of peritoneal dialysis (PD)-related peritonitis, but studies on Acinetobacter peritonitis have been scarce. In view of the rising concern of carbapenem-resistant Acinetobacter (CRA) and multidrug-resistant Acinetobacter (MDRA) infections, we conducted this study on the incidence of Acinetobacter peritonitis and the impact of CRA and MDRA on its outcome. ♦ Methods: We retrospectively evaluated the clinical characteristics, prevalence, antibiotic sensitivity patterns, outcomes, and factors associated with treatment failure over the past 16 years in our patients with Acinetobacter PD-related peritonitis...
September 28, 2016: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
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