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https://www.readbyqxmd.com/read/28101764/diazepam-in-the-treatment-of-moderate-to-severe-alcohol-withdrawal
#1
Steven J Weintraub
Benzodiazepines ameliorate or prevent the symptoms and complications of moderate to severe alcohol withdrawal, which can include autonomic hyperactivity, agitation, combativeness, hallucinations, seizures, delirium, and death. The benzodiazepines most commonly used for this purpose are lorazepam, chlordiazepoxide, oxazepam, and diazepam. It is widely asserted that no member of this group is superior to the others for treatment of alcohol withdrawal. However, of these, diazepam has the shortest time to peak effect, which facilitates both rapid control of symptoms and accurate titration to avoid over-sedation...
January 18, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28101710/effect-of-different-sulfadimidine-addition-methods-on-its-degradation-behaviour-in-swine-manure
#2
Tian-Tian Ren, Xiao-Yang Li, Yan Wang, Yong-De Zou, Xin-Di Liao, Juan-Boo Liang, Yin-Bao Wu
Sulfadimidine (SM2) is commonly used in the swine industry and enters the environment via faeces. In recent years, advances in the ecotoxicology of SM2 have become a popular research interest with two common research methods including swine manure collection from swine fed with a diet containing SM2 and directly adding SM2. The purpose of this experiment was to compare SM2 degradation behaviour in pig manure with two different SM2 addition methods. The results showed that the degradation half-lives of SM2 in manure from SM2-fed swine treatment were 33...
January 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28099476/whole-body-counter-evaluation-of-internal-radioactive-cesium-in-dogs-and-cats-exposed-to-the-fukushima-nuclear-disaster
#3
Seiichi Wada, Nobuhiko Ito, Masamichi Watanabe, Takehiko Kakizaki, Masahiro Natsuhori, Jun Kawamata, Yoshio Urayama
As a result of the 2011 nuclear incident that occurred at the Fukushima Nuclear Power Plant, a large number of abandoned dogs and cats were left within the disaster zone. A small number of these animals were rescued and cared for at shelters. Prior to the dispersal of these animals to their owners or fosterers, we evaluated the degree of internal radiocesium contamination using a specially designed whole-body counter. We conducted 863 non-invasive measurements of gamma rays due to internal radioactive cesium for 68 dogs and 120 cats at one shelter...
2017: PloS One
https://www.readbyqxmd.com/read/28099191/long-acting-combination-anti-hiv-drug-suspension-enhances-and-sustains-higher-drug-levels-in-lymph-node-cells-than-in-blood-cells-and-plasma
#4
John C Kraft, Lisa A McConnachie, Josefin Koehn, Loren Kinman, Carol Collins, Danny D Shen, Ann C Collier, Rodney J Y Ho
OBJECTIVE: To determine if a combination of anti-HIV drugs-tenofovir (TFV), lopinavir (LPV), and ritonavir (RTV)-in a lipid-stabilized nanosuspension (called TLC-ART101) could enhance and sustain intracellular drug levels and exposures in lymph node and blood cells above those in plasma. DESIGN: Four macaques were given a single dose of TLC-ART101 subcutaneously. Drug concentrations in plasma and mononuclear cells of the blood (PBMCs) and lymph nodes (LNMCs) were analyzed using a validated combination LC-MS/MS assay...
January 17, 2017: AIDS
https://www.readbyqxmd.com/read/28092984/vipera-ammodytes-bites-treated-with-antivenom-viperatab-a-case-series-with-pharmacokinetic-evaluation
#5
Miran Brvar, Tihana Kurtović, Damjan Grenc, Maja Lang Balija, Igor Križaj, Beata Halassy
CONTEXT: In clinical practice it is difficult to differentiate between V. berus and V. ammodytes venomous bites. In the past this was not a concern, but due to the current shortage in Viperfav™ and European viper venom antiserum availability, V. a. ammodytes venomous bites have recently been treated with ViperaTAb(®), which is a pharmaceutical formulation containing a monospecific ovine Fab fragments against the venom of V. berus. OBJECTIVE: To evaluate ViperaTAb(®) in V...
January 17, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28089530/algae-mediated-removal-of-selected-pharmaceutical-and-personal-care-products-ppcps-from-lake-mead-water
#6
Xuelian Bai, Kumud Acharya
The persistence and fate of pharmaceutical and personal care products (PPCPs) in the Lake Mead ecosystem are particularly important considering the potential ecological risks and human health impacts. This study evaluated the removal of five common PPCPs (i.e., trimethoprim, sulfamethoxazole, carbamazepine, ciprofloxacin, and triclosan) from Lake Mead water mediated by the green alga Nannochloris sp. The results from the incubation studies showed that trimethoprim and carbamazepine were highly resistant to uptake in the algal cultural medium and were measured at approximately 90%-100% of the applied dose after 14days of incubation...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28080209/dissipation-half-lives-and-mass-spectrometric-identification-of-chlorpyrifos-and-its-two-metabolites-on-field-grown-collard-and-kale
#7
George F Antonious, Eric T Turley, Mutari Abubakari, John C Snyder
The persistence and fate of chlorpyrifos and its two metabolites, chlorpyrifos-oxon and the 3, 5, 6-trichloro-2-pyridinol (TCP) break-down product were investigated on kale and collard leaves under field conditions. A simultaneous extraction and quantification procedure was developed for chrorpyrifos and its two main metabolites. Residues of chlorpyrifos, chlorpyrifos oxon, and TCP were determined using a gas chromatograph (GC) equipped with an electron capture detector (GC/ECD). Chlorpyrifos metabolites were detectable up to 23 days following application...
January 12, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28078438/biological-monitoring-of-cobalt-in-hard-metal-factory-workers
#8
Andrea Princivalle, Ivo Iavicoli, Marzia Cerpelloni, Antonia Franceschi, Maurizio Manno, Luigi Perbellini
PURPOSE: The main aim of this study was to investigate the cobalt (Co) concentrations in urine along 4 months and their relationship with Co concentrations in blood and haemoglobin (adducts) in 34 workers from a hard metal manufacturing plant where metallic Co and Co oxide were used. Furthermore, the excretion kinetics of Co was investigated and the half-lives of Co in blood, plasma and urine were calculated along 18 days of non-exposure in the same workers. METHODS: Co was analysed, in all biological samples, by ICP/MS...
January 11, 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28077204/review-of-the-next-generation-of-long-acting-basal-insulins-insulin-degludec-and-insulin-glargine
#9
Matthew Stailey, Susan E Conway
Older adults are at an increased risk of developing type 2 diabetes mellitus (T2DM). Although oral agents (i.e., metformin) are the preferred first-line therapy, older adults often eventually require the addition of insulin to control their blood glucose. Long-acting insulin analogues are the preferred insulin products for older adults with T2DM. Insulin degludec and insulin glargine U-300 are both new generation long-acting insulins. When compared with the standard of care, long-acting insulin product insulin glargine U-100, insulin degludec, and insulin glargine U-300 had similar glucose-lowering effects, longer half-lives and durations of action, and a more even distribution over a 24-hour period...
January 1, 2017: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28069541/a-bispecific-tribody-pet-radioligand-for-visualization-of-amyloid-beta-protofibrils-a-new-concept-for-neuroimaging
#10
Stina Syvänen, Xiaotian T Fang, Greta Hultqvist, Silvio R Meier, Lars Lannfelt, Dag Sehlin
Antibodies are highly specific for their target molecules, but their poor brain penetrance has restricted their use as PET ligands for imaging of targets within the CNS. The aim of this study was to develop an antibody-based radioligand, using the Tribody(TM) format, for PET imaging of soluble amyloid-beta (Aβ) protofibrils, which are suggested to cause neurodegeneration in Alzheimer's disease. Antibodies, even when expressed in smaller engineered formats, are large molecules that do not enter the brain in sufficient amounts for imaging purposes...
January 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/28067107/physical-properties-and-biological-interactions-of-liposomes-developed-as-a-drug-carrier-in-the-field-of-regenerative-medicine
#11
Sławomir Lewicki, Monika Leśniak, Eugeniusz Krzysztof Machaj, Małgorzata Antos-Bielska, Elżbieta Anna Trafny, Janusz Kocik, Zygmunt Pojda
Liposomes are used for encapsulation of the active compounds in different therapies, with the increasing frequency. The important areas of clinical applications of liposomes are cancer targeted treatment, antibiotic delivery or regenerative medicine. The liposomes can transfer both hydrophilic and hydrophobic compounds and have the lipid bilayer which imitates the cell membrane. Liposomes additionally may extend half-live period of drugs and protect them against the elimination in different ways, such as phagocytosis, enzymatic cleavage or exclusion by detoxification...
January 8, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28065544/solar-radiation-as-a-swift-pathway-for-pah-photodegradation-a-field-study
#12
Montse Marquès, Montse Mari, Jordi Sierra, Martí Nadal, José L Domingo
The photodegradation of polycyclic aromatic hydrocarbons (PAHs) may be an important degradation pathway of PAHs in regions with a high solar radiation. The present investigation was aimed at studying the photodegradation of PAHs after their deposition on surface soils with different textures. Photodegradation by-products were also identified and semi-quantified, as well as correlated with the decrease of parent compounds. The experiment was performed by deploying soil samples spiked with a mixture of the 16 US EPA priority PAHs in a methacrylate box, exposed to solar radiation for 7days, meaning a solar energy of 102...
January 5, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28063717/half-life-of-plasma-phytosterols-in-very-low-birth-weight-preterm-infants-on-routine-parenteral-nutrition-with-vegetable-oil-based-lipid-emulsions
#13
Daniele Pupillo, Alessio Correani, Chiara Biagetti, Rita D'Ascenzo, Manuela Simonato, Giovanna Verlato, Paola Cogo, Marco B L Rocchi, Virgilio P Carnielli
BACKGROUND: Phytosterols in vegetable oil (VO)-based lipid emulsions (LE) likely contribute to parenteral nutrition-associated cholestasis (PNAC) in preterm infants. No characterization of plasma phytosterol half-lives has been done in very low birth weight (VLBW) preterm infants receiving parenteral nutrition (PN) with LE. METHODS: In a prospective cohort study, 45 VLBW preterm infants who received PN underwent serial blood sample measurements of sitosterol (SITO), campesterol (CAMP), and stigmasterol (STIGM)...
December 30, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28063154/pharmacological-indices-and-pulmonary-distribution-of-rifampicin-after-repeated-oral-administration-in-healthy-foals
#14
S Berlin, A Kirschbaum, L Spieckermann, S Oswald, M Keiser, M Grube, M Venner, W Siegmund
BACKGROUND: The treatment of equine lung infections by R. equi with rifampicin is empirically based because pharmacokinetic/pharmacodynamic (PK/PD) indices and pivotal clinical outcome data are not available. OBJECTIVES: Evaluation of pharmacokinetics and pulmonary distribution into epithelial lining fluid (ELF) and bronchoalveolar lavage cells (BALC) to predict antimicrobial activity in the lung using PK/PD-indices. STUDY DESIGN: Controlled, randomised, two-period, crossover, repeated-dose study with an initial arm to measure disposition after intravenous administration...
January 7, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28046881/mo-ab-bra-02-modeling-nanoparticle-eluting-spacer-degradation-during-brachytherapy-application-with-in-situ-dose-painting
#15
F Boateng, W Ngwa
PURPOSE: Brachytherapy application with in situ dose-painting using gold nanoparticles (GNP) released from GNP-loaded brachytherapy spacers has been proposed as an innovative approach to increase therapeutic efficacy during brachytherapy. This work investigates the dosimetric impact of slow versus burst release of GNP from next generation biodegradable spacers. METHODS: Mathematical models were developed based on experimental data to study the release of GNP from a spacer designed with FDA approved poly(lactic-co-glycolic acid) (PLGA) polymer...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045206/assessment-of-tissue-development-in-fattening-quails-using-the-stable-isotope-technique
#16
J C R Rezende, M M P Sartori, J R Sartori, C Ducatti, J C Denadai, A C Pezzato
We aimed to study the behaviour of tissue renewal in blood, pectoral muscle and keel of fattening quails during their growth and adulthood through carbon-13 turnover using the stable isotope technique. Three hundred male European quails were randomly subjected to six treatments. Diets fed to animals were initially based on corn and soybean meal and were replaced at 0, 7, 14, 21, 28 and 35 days of age with diets of rice grits and soybean meal. These diets have distinct isotopic signals and over time it changes; the tissue will incorporate dietary signal, and then, we can measure the return time for each tissue in each age...
January 3, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28043863/tumour-regression-and-improved-gastrointestinal-tolerability-from-controlled-release-of-sn-38-from-novel-polyoxazoline-modified-dendrimers
#17
Richard M England, Jennifer I Hare, Jennifer Barnes, Joanne Wilson, Aaron Smith, Nicole Strittmatter, Paul D Kemmitt, Michael J Waring, Simon T Barry, Cameron Alexander, Marianne B Ashford
Irinotecan is used clinically for the treatment of colorectal cancer; however, its utility is limited by its narrow therapeutic index. We describe the use of a generation 5 l-lysine dendrimer that has been part-modified with a polyoxazoline as a drug delivery vehicle for improving the therapeutic index of SN-38, the active metabolite of irinotecan. By conjugating SN-38 to the dendrimer via different linker technologies we sought to vary the release rate of the drug to generate diverse pharmacokinetic profiles...
December 30, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28042233/gastrointestinal-endoscopy-in-patients-on-anticoagulant-therapy-and-antiplatelet-agents
#18
REVIEW
Angelo Zullo, Cesare Hassan, Franco Radaelli
Periprocedural management of antithrombotics for gastrointestinal endoscopy is a common clinical issue, given the widespread use of these drugs for primary and secondary cardiovascular prevention. For diagnostic procedures, with or without biopsy, no adjustments in antithrombotics are usually needed. For operative procedures, balancing the risk of periprocedural hemorrhage with the continuation of antithrombotics against the chance of recurrent thromboembolic events with their discontinuation may be challenging...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28040896/why-are-vinyl-cations-sluggish-electrophiles
#19
Peter A Byrne, Shinjiro Kobayashi, Ernst-Ulrich Würthwein, Johannes Ammer, Herbert Mayr
The kinetics of the reactions of the vinyl cations 2 [Ph2C=C+-(4-MeO-C6H4)] and 3 [Me2C=C+-(4-MeO-C6H4)] (generated by laser flash photolysis) with diverse nucleophiles (e.g. pyrroles, halide ions, alcoholic and aqueous solvents) have been determined photometrically. It was found that the reactivity order of the nucleophiles toward these vinyl cations is the same as that towards diarylcarbenium ions (benzhydrylium ions). However, the reaction rates of vinyl cations are affected only half as much by variation of the nucleophiles as those of the benzhydrylium ions...
January 1, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28032772/self-assembly-pegylation-retaining-activity-spra-technology-via-a-host-guest-interaction-surpassing-conventional-pegylation-methods-of-proteins
#20
Tatsunori Hirotsu, Taishi Higashi, Irhan Ibrahim Abu Hashim, Shogo Misumi, Koki Wada, Keiichi Motoyama, Hidetoshi Arima
Polyethylene glycol (PEG) modification (PEGylation) is one of the best approaches to improve the stabilities and blood half-lives of protein drugs; however, PEGylation dramatically reduces the bioactivities of protein drugs. Here, we present "self-assembly PEGylation retaining activity" (SPRA) technology via a host-guest interaction between PEGylated β-cyclodextrin (PEG-β-CyD) and adamantane-appended (Ad) proteins. PEG-β-CyD formed stable complexes with Ad-insulin and Ad-lysozyme to yield SPRA-insulin and SPRA-lysozyme, respectively...
January 12, 2017: Molecular Pharmaceutics
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