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https://www.readbyqxmd.com/read/28201970/highlights-in-endocytosis-of-nanostructured-systems
#1
Aline Raquel Voltan, Kaila Medina Alarcon, Ana Marisa Fusco-Almeida, Christiane Piena Soares, Maria José Soares Mendes-Giannini, Marlus Chorilli
The focus of this review is the cellular internalisation mechanism of nanostructured systems (NSs) and their endosomal escape for targeted drug delivery. Endocytosis is a cellular process of internalisation of different molecules and foreign microorganisms. It is currently being studied for drug delivery through nanostructured systems. The most commonly studied routes of cellular uptake are phagocytosis, macro-pinocytosis, clathrin-mediated endocytosis, caveolin-mediated endocytosis, and clathrin and caveolin-independent endocytosis...
February 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28178730/an-overview-of-pharmacoepidemiology-in-new-zealand-medical-databases-registries-and-research-achievements
#2
Prasad Nishtala, Henry Ndukwe, Te-Yuan Chyou, Mohammed Salahudeen, Sujita Narayan
Pharmacoepidemiology is an eclectic blend of epidemiology, clinical pharmacology and biostatistics. In New Zealand there have been recent advances in pharmacoepidemiology to examine drug utilisation, monitor adverse drug events and complement pharmacovigilance. This paper attempts to describe the past, present and future of pharmacoepidemiology, particularly in the area of translational research with a particular focus on medicine use and safety. New Zealand is well-positioned globally to make significant contributions to the knowledge base of drug safety in real-world settings...
January 27, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28175187/p586-a-novel-approach-to-the-implementation-of-biosimilar-infliximab-ct-p13-for-the-treatment-of-ibd-utilising-therapeutic-drug-monitoring-the-edinburgh-experience
#3
N Plevris, A Deekae, G R Jones, T A Manship, C L Noble, J Satsangi, A G Shand, I D Arnott, C W Lees
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28168596/the-need-to-take-a-staging-approach-to-the-biological-mechanisms-of-ptsd-and-its-treatment
#4
REVIEW
Alexander Cowell McFarlane, Eleanor Lawrence-Wood, Miranda Van Hooff, Gin S Malhi, Rachel Yehuda
Despite the substantial body of neurobiological research, no specific drug target has been developed to treat PTSD and there are substantial limitations with the available interventions. We propose that advances are likely to depend on the development of better classification of the heterogeneity of PTSD using a staging approach of disease. A primary rationale for staging is to highlight the probability that distinct therapeutic approaches need to be utilised according to the degree of biological progression of the disorder...
February 2017: Current Psychiatry Reports
https://www.readbyqxmd.com/read/28156093/the-mechanism-of-action-of-a-membrane-active-quinoline-based-antimicrobial-on-natural-and-model-bacterial-membranes
#5
Alasdair Thomas Macadam Hubbard, Robert David Barker, Reg Paul Rehal, Kalliopi-Kelli A Vandera, Richard D Harvey, Anthony R Milnes Coates
HT61 is a quinoline-derived antimicrobial, which exhibits bactericidal potency against both multiplying and quiescent methicillin resistant and sensitive Staphylococcus aureus, and has been proposed as an adjunct for other antimicrobials in order to extend their usefulness in the face of increasing antimicrobial resistance. In this study we have examined HT61's effect on the permeability of Staphylococcus aureus membranes and whether this putative activity can be attributed to an interaction with lipid bilayers...
February 3, 2017: Biochemistry
https://www.readbyqxmd.com/read/28155620/nlrp3-inhibitors-as-potential-therapeutic-agents-for-treatment-of-inflammatory-bowel-disease
#6
Agampodi Promoda Perera, Dale Kunde, Rajaraman Eri
BACKGROUND: Inflammatory bowel disease (IBD) is a group of intestinal disorders characterised by chronic relapsing inflammation of the small intestine and colon. IBD manifests as either ulcerative colitis or Crohn's disease and increases the risk of developing colorectal cancer. METHODS: Here, we have reviewed current treatment regimen for IBD utilising anti-inflammatory drugs, immune system suppressors and antibiotics or a combination of these. However, these therapeutics lead to a number of adverse effects, remission or significant non-responsiveness creating an urgent need to develop potent drugs with novel mechanisms of action for IBD...
February 1, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28149263/advantages-and-challenges-of-dried-blood-spot-analysis-by-mass-spectrometry-across-the-total-testing-process
#7
Rosita Zakaria, Katrina J Allen, Jennifer J Koplin, Peter Roche, Ronda F Greaves
INTRODUCTION: Through the introduction of advanced analytical techniques and improved throughput, the scope of dried blood spot testing utilising mass spectrometric methods, has broadly expanded. Clinicians and researchers have become very enthusiastic about the potential applications of dried blood spot based mass spectrometric applications. Analysts on the other hand face challenges of sensitivity, reproducibility and overall accuracy of dried blood spot quantification. In this review, we aim to bring together these two facets to discuss the advantages and current challenges of non-newborn screening applications of dried blood spot quantification by mass spectrometry...
December 2016: EJIFCC
https://www.readbyqxmd.com/read/28139329/alternate-policing-strategies-cost-effectiveness-of-cautioning-for-cannabis-offences
#8
Marian Shanahan, Caitlin Elizabeth Hughes, Tim McSweeney, Beth Ann Griffin
BACKGROUND: There is increasing international interest in alternatives to the use of arrest for minor drug offences. While Australia has been at the forefront in the provision of diversionary programs for minor drug offences there remain key gaps in knowledge about the cost-effectiveness of different approaches. Here we set out to assess the cost-effectiveness of cannabis cautioning schemes whereby police refer minor cannabis use and possession offenders to education and/or treatment instead of arresting and charging them...
January 27, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28132935/in-vitro-dissolution-models-for-the-prediction-of-in-vivo-performance-of-an-oral-mesoporous-silica-formulation
#9
Carol A McCarthy, Waleed Faisal, Joseph P O'Shea, Colm Murphy, Robert J Aherne, Katie B Ryan, Brendan T Griffin, Abina M Crean
Drug release from mesoporous silica systems has been widely investigated in vitro using USP Type II (paddle) dissolution apparatus. However, it is not clear if the observed enhanced in vitro dissolution can forecast drug bioavailability in vivo. In this study, the ability of different in vitro dissolution models to predict in vivo oral bioavailability in a pig model was examined. The fenofibrate-loaded mesoporous silica formulation was compared directly to a commercial reference product, Lipantil Supra®. Three in vitro dissolution methods were considered; USP Type II (paddle) apparatus, USP Type IV (flow-through cell) apparatus and a USP IV Transfer model (incorporating a SGF to FaSSIF-V2 media transfer)...
January 26, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28127194/three-dimensional-perfused-human-in-vitro-model-of-non-alcoholic-fatty-liver-disease
#10
Tomasz Kostrzewski, Terri Cornforth, Sophie A Snow, Larissa Ouro-Gnao, Cliff Rowe, Emma M Large, David J Hughes
AIM: To develop a human in vitro model of non-alcoholic fatty liver disease (NAFLD), utilising primary hepatocytes cultured in a three-dimensional (3D) perfused platform. METHODS: Fat and lean culture media were developed to directly investigate the effects of fat loading on primary hepatocytes cultured in a 3D perfused culture system. Oil Red O staining was used to measure fat loading in the hepatocytes and the consumption of free fatty acids (FFA) from culture medium was monitored...
January 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28109172/integrated-treatment-options-for-male-perpetrators-of-intimate-partner-violence
#11
Cory A Crane, Caroline J Easton
ISSUES: Male-to-female intimate partner violence remains a worldwide public health issue with adverse physical and psychological consequences for victims, perpetrators and children. Personality disorders, addiction, trauma and mood symptoms are established risk factors for intimate partner violence perpetration and factor prominently into a recovery-oriented treatment approach. APPROACH: We reviewed the partner violence literature for detailed reports of traditional as well as innovative, integrated treatment approaches...
January 21, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28107918/bismuth-nanoparticles-carbon-nanotubes-modified-sensor-for-sulfasalazine-analysis
#12
Biljana Nigović, Sandra Jurić, Iva Mitrović
Nanocomposite of bismuth nanoparticles and carbon nanotubes in Nafion matrix was used as modifier for glassy carbon electrode in analysis of anti-inflamatory drug sulfasalazine. The nanocomposite surface exhibited exceptional synergy and remarkable enhancement effect to the voltammetric response of drug. The surface morphology and structure characterization of the modified electrodes was characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy and cyclic voltammetry. The sensor exhibited excellent electroanalytical performance for drug determination in comparison with bismuth film electrode...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28104042/electronic-health-records-and-online-medical-records-an-asset-or-a-liability-under-current-conditions
#13
Judith Allen-Graham, Lauren Mitchell, Natalie Heriot, Roksana Armani, David Langton, Michele Levinson, Alan Young, Julian A Smith, Tom Kotsimbos, John W Wilson
Objective The aim of the present study was to audit the current use of medical records to determine completeness and concordance with other sources of medical information.Methods Medical records for 40 patients from each of five Melbourne major metropolitan hospitals were randomly selected (n=200). A quantitative audit was performed for detailed patient information and medical record keeping, as well as data collection, storage and utilisation. Using each hospital's current online clinical database, scanned files and paperwork available for each patient audited, the reviewers sourced as much relevant information as possible within a 30-min time allocation from both the record and the discharge summary...
January 20, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/28087353/thiolated-polymers-as-mucoadhesive-drug-delivery-systems
#14
REVIEW
Sarah Duggan, Wayne Cummins, Orla O' Donovan, Helen Hughes, Eleanor Owens
Mucoadhesion is the process of binding a material to the mucosal layer of the body. Utilising both natural and synthetic polymers, mucoadhesive drug delivery is a method of controlled drug release which allows for intimate contact between the polymer and a target tissue. It has the potential to increase bioavailability, decrease potential side effects and offer protection to more sensitive drugs such as proteins and peptide based drugs. The thiolation of polymers has, in the last number of years, come to the fore of mucoadhesive drug delivery, markedly improving mucoadhesion due to the introduction of free thiol groups onto the polymer backbone while also offering a more cohesive polymeric matrix for the slower and more controlled release of drug...
January 10, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28071845/influence-of-age-sex-and-seriousness-on-reporting-of-adverse-drug-reactions-in-sweden
#15
Lennart Holm, Elisabet Ekman, Kerstin Jorsäter Blomgren
PURPOSE: To investigate how reporting of adverse drug reactions (ADRs) among adults in Sweden is associated to age and sex, in addition to seriousness of the reaction and drug utilisation. METHODS: Individual case safety reports (ICSRs) reported by healthcare professionals to the national pharmacovigilance database 2008-2011 were related to defined daily dose (DDD) in the Swedish Prescribed Drug Register (SPDR) for individual's ≥20 years. Data were stratified into five age groups...
January 10, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28067180/dispensing-patterns-of-anxiolytics-and-sedative-hypnotics-a-feasibility-study-comparing-datasets-from-a-developed-and-developing-country-australia-and-south-africa
#16
Therése Kairuz, Ilse Truter, Laurence Rossato, Alex Pudmenzky
BACKGROUND: Dispensing patterns reflect drug usage trends. Benzodiazepines are known as drugs with potential for misuse, and frequent dispensing may be a surrogate marker of misuse. OBJECTIVE: The primary aim of this study was to obtain a comparative snapshot of anxiolytic and sedative-hypnotic dispensing in a developing country and a developed country, to determine whether further research about benzodiazepines is warranted. METHOD: A cross-national, cross-sectional retrospective drug utilisation study was conducted on benzodiazepines and z-drugs...
January 9, 2017: Current Drug Safety
https://www.readbyqxmd.com/read/28063660/deprescribing-a-narrative-review-of-the-evidence-and-practical-recommendations-for-recognizing-opportunities-and-taking-action
#17
REVIEW
Emily Reeve, Wade Thompson, Barbara Farrell
Deprescribing can be defined as the process of withdrawal or dose reduction of medications which are considered inappropriate in an individual. The aim of this narrative review is to provide an overview of "deprescribing"; firstly discussing the potential benefits and harms followed by the barriers to and enablers of deprescribing. We also provide practical recommendations to recognise opportunities and strategies for deprescribing in practice. Studies focused on minimizing polypharmacy indicate that deprescribing may be associated with potential benefits including resolution of adverse drug reactions, improved quality of life and medication adherence and a reduction in drug costs...
March 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28063462/going-digital-a-narrative-overview-of-the-clinical-and-organisational-impacts-of-ehealth-technologies-in-hospital-practice
#18
Justin Keasberry, Ian A Scott, Clair Sullivan, Andrew Staib, Richard Ashby
Objective The aim of the present study was to determine the effects of hospital-based eHealth technologies on quality, safety and efficiency of care and clinical outcomes.Methods Systematic reviews and reviews of systematic reviews of eHealth technologies published in PubMed/Medline/Cochrane Library between January 2010 and October 2015 were evaluated. Reviews of implementation issues, non-hospital settings or remote care or patient-focused technologies were excluded from analysis. Methodological quality was assessed using a validated appraisal tool...
January 9, 2017: Australian Health Review: a Publication of the Australian Hospital Association
https://www.readbyqxmd.com/read/28061753/treatment-efficacy-of-azithromycin-1%C3%A2-g-single-dose-versus-doxycycline-100%C3%A2-mg-twice-daily-for-7%C3%A2-days-for-the-treatment-of-rectal-chlamydia-among-men-who-have-sex-with-men-a-double-blind-randomised-controlled-trial-protocol
#19
Andrew Lau, Fabian Kong, Christopher K Fairley, Basil Donovan, Marcus Chen, Catriona Bradshaw, Mark Boyd, Janaki Amin, Peter Timms, Sepehr Tabrizi, David G Regan, David A Lewis, Anna McNulty, Jane S Hocking
BACKGROUND: Rectal infection with Chlamydia trachomatis is one of the most common bacterial sexually transmissible infections among men who have sex with men (MSM) with diagnosis rates continuing to rise. Current treatment guidelines recommend either azithromycin 1 g single dose or doxycycline 100 mg twice daily for 7 days. However, there are increasing concerns about treatment failure with azithromycin. We are conducting the first randomised controlled trial (RCT) to compare treatment efficacy of azithromycin versus doxycycline for the treatment of rectal chlamydia in MSM...
January 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28042099/analgesic-and-anti-inflammatory-controlled-released-injectable-microemulsion-pseudo-ternary-phase-diagrams-in-vitro-ex-vivo-and-in-vivo-evaluation
#20
Isabel Pineros, Karla Slowing, Dolores R Serrano, Esther de Pablo, Maria Paloma Ballesteros
PURPOSE: Development of analgesic and anti-inflammatory controlled-released injectable microemulsions utilising lysine clonixinate (LC) as model drug and generally regarded as safe (GRAS) excipients. METHODS: Different microemulsions were optimised through pseudo-ternary phase diagrams and characterised measuring droplet size, viscosity, ex vivo haemolytic activity and in vitro drug release. The anti-inflammatory and analgesic activity was tested in mice (Hot plate test) and rats (Carrageenan-induced paw edema test) respectively and their activity was compared to an aqueous solution of LC salt...
December 29, 2016: European Journal of Pharmaceutical Sciences
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