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Drug utilisation

Ali Kermanizadeh, Klaus Villadsen, Ragnhild G Østrem, Knud J Jensen, Peter Møller, Steffen Loft
Utilisation of functionalized liposomes as the means of targeted delivery of therapeutics may enhance specific transport of biologically active drugs to target tissues, while avoiding or reducing undesired side effects. In the present investigation, peptide-conjugated cationic liposomes were constructed with the aim of targeting integrins (i.e. vitronectin and/or fibronectin receptors) on activated endothelial cells. The peptide-conjugated liposomes induced only cytotoxicity at the highest concentration in non-activated or activated endothelial cells, as well as in co-culture of endothelial cells and macrophages...
October 21, 2016: Basic & Clinical Pharmacology & Toxicology
Julie A Birt, YingMeei Tan, Neelufar Mozaffarian
OBJECTIVES: To better understand the real-world characteristics and costs of Sjögren's syndrome (SS). METHODS: Analysing the MarketScan Commercial Claims database from Jan. 1, 2006 to Dec. 31, 2011, we identified 10,414 patients ≥18 years old newly diagnosed with SS. Patient characteristics, drugs (commonly used for SS), resource utilisation, and medical costs were evaluated for 12 months pre- and post-diagnosis. RESULTS: Mean age was 55 years; 90% were female...
October 7, 2016: Clinical and Experimental Rheumatology
Shota Hamada, Martin C Gulliford
OBJECTIVE: to evaluate primary care drug utilisation during the last year of life, focusing on antidiabetic and cardiovascular drugs, in patients of advanced age with diabetes. DESIGN: population-based cohort study. SETTING: primary care database in the UK. SUBJECTS: patients with type 2 diabetes who died at over 80 years of age between 2011 and 13. METHODS: main outcome measures included proportions of patients prescribed different classes of drugs, comparing the first (Q1) and the fourth quarters (Q4) of the last year of life...
October 15, 2016: Age and Ageing
G P Senadheera, S Sri Ranganathan, G Patabendige, G H Fernando, D Gamage, R M Maneke, B M Fernandopulle
OBJECTIVES: Antibacterial resistance (ABR) is a public threat. Sri Lanka is a country with limited surveillance of ABR in the community. The WHO methodology was adapted to identify ABR in outpatient settings (nonhospitalised patients) and its link to consumption of antibiotics. METHODS: It was a cross-sectional descriptive community based study to collect ABR data from Out Patient Department (OPD) of two leading Teaching Hospitals in Colombo district. The indicator organism Escherichia coli (E...
2016: Ceylon Medical Journal
J A Van Heerden, J R Burger, J J Gerber
BACKGROUND: Prescribing for older patients is a well-recognised problem, and inappropriate items are prescribed frequently. Several tools and criteria are available to promote rational prescribing in older patients. OBJECTIVE: To determine the prevalence of potentially inappropriate prescriptions (PIPs) in older South African patients. METHODS: A retrospective drug utilisation review was conducted using medicine claims data over a 1-year period...
September 9, 2016: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
Kylie Mueller, Nijole Bernaitis, Tony Badrick, Shailendra Anoopkumar-Dukie
The HAS-BLED model is widely utilised to assess patients' bleed risk prior to anticoagulant therapy including warfarin. Some of the variables assessed in the model are also known to influence warfarin control, commonly measured by time in therapeutic range (TTR). The aim of the study was to determine if the HAS-BLED risk tool is a good predictor of bleed risk and warfarin control in deep vein thrombosis (DVT) patients. Retrospective data were collected for DVT warfarin care patients at Sullivan Nicolaides Pathology...
October 8, 2016: Basic & Clinical Pharmacology & Toxicology
Ariane Roemer, Ulrike Köhl, Omid Majdani, Stephan Klöß, Christine Falk, Sabine Haumann, Thomas Lenarz, Andrej Kral, Athanasia Warnecke
BACKGROUND: The success of cochlear implantation may be further improved by minimizing implantation trauma. The physical trauma of implantation and subsequent immunological sequelae can affect residual hearing and the viability of the spiral ganglion. An ideal electrode should therefore decrease post-implantation trauma and provide support to the residual spiral ganglion population. Combining a flexible electrode with cells producing and releasing protective factors could present a potential means to achieve this...
October 7, 2016: Stem Cell Research & Therapy
Beth Williamson, Mathias Lorbeer, Michael D Mitchell, Timothy G Brayman, Robert J Riley
The nuclear pregnane X receptor (PXR) regulates the expression of genes involved in the metabolism, hepatobiliary disposition, and toxicity of drugs and endogenous compounds. PXR is a promiscuous nuclear hormone receptor (NHR) with significant ligand and DNA-binding crosstalk with the constitutive androstane receptor (CAR); hence, defining the precise role of PXR in gene regulation is challenging. Here, utilising a novel PXR-knockout (KO) HepaRG cell line, real-time PCR analysis was conducted to determine PXR involvement for a range of inducers...
October 2016: Pharmacology Research & Perspectives
Marija Bozhinovska, Gordana Taleska, Andrej Fabian, Maja Šoštarič
The postoperative low cardiac output is one of the most important complications following cardiac surgery and is associated with increased morbidity and mortality. The condition requires inotropic support to achieve adequate hemodynamic status and tissue perfusion. While catecholamines are utilised as a standard therapy in cardiac surgery, their use is limited due to increased oxygen consumption. Levosimendan is calcium sensitising inodilatator expressing positive inotropic effect by binding with cardiac troponin C without increasing oxygen demand...
September 15, 2016: Open Access Macedonian Journal of Medical Sciences
Małgorzata H Lehner, Ewa Taracha, Ewelina Kaniuga, Aleksandra Wisłowska-Stanek, Marek Gryz, Alicja Sobolewska, Danuta Turzyńska, Anna Skórzewska, Adam Płaźnik
This study utilised the two injection protocol of sensitisation (TIPS) and the conditioned place preference test to validate and extend previous findings on the effects of amphetamine on positive reinforcement-related 50 kHz ultrasonic vocalisation (USV) in rats. We also examined changes in the expression of c-Fos and the NMDA receptor 2B (GluN2B) subunit, markers of neuronal activity and plasticity, in brain regions of rats in response to TIPS. We used low anxiety-responsive (LR) and high anxiety-responsive (HR) rats, which are known to exhibit different fear-conditioned response strengths, different susceptibilities to amphetamine in the TIPS procedure and different amphetamine-dependent 50 kHz USV responses...
October 4, 2016: Journal of Psychopharmacology
Sebastian Botzenhardt, Asia N Rashed, Ian C K Wong, Stephen Tomlin, Antje Neubert
AIM: Analgesic and anti-inflammatory drugs are frequently prescribed in paediatrics. Prescribing and dosing patterns in hospitalised children are not well known. This study explores analgesic drug utilisation on five paediatric wards and discusses its findings in comparison with World Health Organization (WHO) guidelines. METHOD: A sub-analysis of a prospective, multicentre, observational cohort study was undertaken. Prescription data of children aged up to ≤18 years were collected between October 2008 and December 2009 on paediatric general medical wards in five hospitals in Australia, Germany, the United Kingdom (UK), Hong Kong (HK) and Malaysia...
September 30, 2016: Paediatric Drugs
Juan Antonio Llompart-Pou, Mario Chico-Fernández, Marcelino Sánchez-Casado, Fermín Alberdi-Odriozola, Francisco Guerrero-López, María Dolores Mayor-García, Javier González-Robledo, María Ángeles Ballesteros-Sanz, Rubén Herrán-Monge, Rafael León-López, Lucía López-Amor, Ana Bueno-González
BACKGROUND: Injury patterns may differ in trauma patients when age is considered. This information is relevant in the management of trauma patients and for planning preventive measures. METHODS: We included in the study all patients admitted for traumatic disease in the participating ICUs from November 23(rd), 2012 to July 31(st), 2015 with complete records. Data on epidemiology, injury patterns, severity scores, acute management, resources utilisation and outcome were recorded and compared in the following groups of age: ≤55years (young adults), 56-65 years (adults), 66-75 years (elderly), >75years (very elderly)...
September 2016: Injury
Anderson P Jones, Allan G Kermode, Robyn M Lucas, William M Carroll, David Nolan, Prue H Hart
Circulating T and B lymphocytes contribute to the pathogenesis of the neuroinflammatory autoimmune disease, multiple sclerosis (MS). Further progress in the development of MS treatments is dependent upon a greater understanding of the immunological disturbances that underlie the disease. Analyses of circulating immune cells by flow cytometry have revealed MS-associated alterations in the composition and function of T and B cell subsets, including temporal changes associated with disease activity. Disturbances in circulating immune populations reflect those observed in the central nervous system and include skewing towards proinflammatory CD4+ and CD8+ T cells and B cells, greater proportions of follicular T helper cells, and functional defects in the corresponding T and B regulatory subsets...
September 30, 2016: Clinical and Experimental Immunology
B Ramasubbu, A Donnelly, A Moughty
A retrospective review of the demographics, co-morbidities and substance misuse of the 20 most frequent presenters to the Mater Misericordiae University Hospital emergency department during 2014 was carried out in an attempt to better understand the epidemiology of their presentations. Eighty-five percent were male and 15% female (p<0.001). The average age was 40.6 years with a median 38.5 years. All were unemployed and 7 (35%) had no fixed abode. Thirteen patients (65%) lived an average of 4.5 kilometres from the ED...
2016: Irish Medical Journal
F Nejatbakhsh, L Shirbeigi, R Rahimi, H Abolhassani
The male reproductive function can be influenced by many different factors, including genetic, environmental and socioeconomic parameters leading to a progressive decline. However, the cause of infertility cannot be found in a significant proportion of couples, and even with the presence of the sign of testicular dysfunction or obstructive azoospermia, the main aetiology is not identified. In the absence of knowledge about predisposing factor, targeted therapeutic modalities for male infertility may not be possible, and a wide variety of empiric drug approaches, even with low scientific evidence, have been utilised in current conventional medicine...
October 2016: Andrologia
Chi Huu Nguyen, Stefan Brenner, Nicole Huttary, Atanas Georgiev Atanasov, Verena Maria Dirsch, Waranya Chatuphonprasert, Sivio Holzner, Serena Stadler, Juliane Riha, Sigurd Krieger, Rainer de Martin, Zsuzsanna Bago-Horvath, Georg Krupitza, Walter Jäger
A causal link between overexpression of aryl hydrocarbon receptor (AHR) and its target cytochrome P450 1A1 (CYP1A1) and metastatic outgrowth of various cancer entities has been established. Nevertheless, the mechanism how AHR/CYP1A1 support metastasis formation is still little understood. In vitro we discovered a potential mechanism facilitating tumour dissemination based on the production of 12(S)-hydroxyeicosatetraenoic acid (12(S)-HETE). Utilising a three-dimensional lymph endothelial cell (LEC) monolayer & MDA-MB231 breast cancer cell spheroid co-culture model in combination with knock-down approach allowed elucidation of the molecular/biochemical basis of AHR/CYP1A1-induced tumour breaching through the LEC barrier...
September 27, 2016: Human Molecular Genetics
Sean L Kitson, Vincenzo Cuccurullo, Andrea Ciarmiello, Luigi Mansi
Radionuclide antibody conjugates (RACs) and antibody-drug conjugates (ADCs) can function as biotherapeutic missiles in order to target cancer cells and destroy them. The advent of new technology platforms consisting of imaging modalities, drug design and radiochemistry will facilitate the personalised approach for cancer patient treatment programmes. The utilisation of radionuclides and cytotoxic drugs conjugated to biovectors can deliver a cytotoxic drug payload with the ability to emit alpha and/or beta particles in the vicinity of the tumour by binding onto the cancer cells surface antigens initiating cell death...
September 26, 2016: Anti-cancer Agents in Medicinal Chemistry
Taissa Vila, Kelly Ishida, Sergio Henrique Seabra, Sonia Rozental
Candida spp. can adhere to and form biofilms over different surfaces, becoming less susceptible to antifungal treatment. Resistance of biofilms to antifungal agents is multifactorial and the extracellular matrix (ECM) appears to play an important role. Among the few available antifungals for treatment of candidaemia, only the lipid formulations of amphotericin B (AmB) and the echinocandins are effective against biofilms. Our group has previously demonstrated that miltefosine has an important effect against Candida albicans biofilms...
September 12, 2016: International Journal of Antimicrobial Agents
George Au-Yeung, Franziska Lang, Walid J Azar, Chris Mitchell, Kate E Jarman, Kurt Lackovic, Diar Aziz, Carleen Cullinane, Richard B Pearson, Linda Mileshkin, Danny Rischin, Alison M Karst, Ronny Drapkin, Dariush Etemadmoghadam, David D L Bowtell
PURPOSE: Cyclin E1 (CCNE1) amplification is associated with primary treatment resistance and poor outcome in high grade serous ovarian cancer (HGSC). Here, we explore approaches to target CCNE1 amplified cancers and potential strategies to overcome resistance to targeted agents. EXPERIMENT DESIGN: To examine dependency on CDK2 in CCNE1 amplified HGSC, we utilised siRNA and conditional shRNA gene suppression, and chemical inhibition using dinaciclib, a small molecule CDK2 inhibitor...
September 23, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Anthony Zehetner, Popi Iatrou, Basiliki Lampropoulos, Natalie Phillips
AIM: To evaluate Teenlink, a wide-ranging medical and psychological health service addressing the needs of children and adolescents in substance-using families, who are at increased risk of developmental and psychosocial problems. METHODS: Retrospective record review of 124 children, from 92 families seen over a 13 year period. RESULTS: Polysubstance use and mental illness were common amongst parents. Children often presented with emotional and behavioural problems...
September 23, 2016: Journal of Paediatrics and Child Health
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