Artikler, rapporter og annet (farmasi): Nye registreringer
Viser treff 241-260 av 391
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PEGylated liposomes for topical vaginal therapy improve delivery of interferon alpha
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-11)Recent studies regarding mucosal drug delivery indicate that nanosystems with surface-available polyethylene glycol (PEG) are able to penetrate mucus barrier, assure closer contact with the epithelium, and improve drug delivery to vagina. In the present work, we developed the mucus-penetrating PEGylated liposomes containing interferon alpha-2b (IFN α-2b), destined to provide localized therapy for ... -
Quality of medication information in discharge summaries from hospitals: an audit of electronic patient records
(Journal article; Tidsskriftartikkel, 2017-11-03)Background: Low quality of medication information in discharge summaries from hospitals may jeopardize optimal therapy and put the patient at risk for medication errors and adverse drug events. <br> <p> Objective: To audit the quality of medication information in discharge summaries and explore factors associated with the quality. Setting Helgelandssykehuset Mo i Rana, a rural hospital in central ... -
Safety and efficiency of a new generic package labelling: A before and after study in a simulated setting
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-20)Background: Medication errors are frequent and may cause harm to patients and increase healthcare expenses. <p> Aim: To explore whether a new labelling influences time and errors when preparing medications in accordance with medication charts in an experimental setting. <p> Method: We carried out an uncontrolled before and after study with 3 months inbetween experiments. Phase I used original ... -
Synthesis of a novel tripeptidomimetic scaffold and biological evaluation for CXC chemokine receptor 4 (CXCR4) antagonism
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-05-17)We here report the preparation of a new 2,6,8-trisubstituted bicyclic tripeptidomimetic scaffold through TFA-mediated cyclization of a linear precursor containing three side chains. The introduction of a triphenylmethyl-protected thiol into carboxylic acid containing building blocks through sulfa Michael additions onto α,β-unsaturated hexafluoroisopropyl esters is described. The stereoselectivity ... -
Molecular signatures reflecting microenvironmental metabolism and chemotherapy-induced immunogenic cell death in colorectal liver metastases
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-07-18)Background: Metastatic colorectal cancer (CRC) is associated with highly variable clinical outcome and response to therapy. The recently identified consensus molecular subtypes (CMS1-4) have prognostic and therapeutic implications in primary CRC, but whether these subtypes are valid for metastatic disease is unclear. We performed multi-level analyses of resectable CRC liver metastases (CLM) to ... -
Going skin deep: a direct comparison of penetration potential of lipid-based nanovesicles on the isolated perfused human skin flap model
(Journal article; Tidsskriftartikkel, 2017-09-12)Phospholipid-based nanocarriers are attractive drug carriers for improved local skin therapy. In the present study, the recently developed isolated perfused human skin flap (IPHSF) model was used to directly compare the skin penetration enhancing potential of the three commonly used nanocarriers, namely conventional liposomes (CLs), deformable liposomes (DLs) and solid lipid nanoparticles (SLNs). ... -
Sprayable Carbopol hydrogel with soluble beta-1,3/1,6-glucan as an active ingredient for wound healing – Development and in-vivo evaluation
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-21)Chronic wounds represent a significant health problem worldwide. There is a need for advanced- and cost-efficient wound healing products able to increase patient comfort and reduce the healing time. The aim of this study was to develop a sprayable hydrogel dressing with beta-glucan (βG) as the active ingredient, targeting future application in the treatment of both chronic and burn wounds. The βG ... -
Molecular transfer to Atlantic salmon ovulated eggs using liposomes
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-15)The delivery of exogenous biomolecules into teleost eggs is currently mostly relying on the manual microinjection methods, which, due to their high costs and low throughput, are not economically feasible for large-scale aquaculture applications. The main objective of this study was to develop a convenient, simple immersion delivery model for unfertilized Atlantic salmon (Salmo salar L.) eggs using ... -
Metabolic reprogramming supports the invasive phenotype in malignant melanoma
(Journal article; Tidsskriftartikkel, 2015)Invasiveness is a hallmark of aggressive cancer like malignant melanoma, and factors involved in acquisition or maintenance of an invasive phenotype are attractive targets for therapy. We investigated melanoma phenotype modulation induced by the metastasis-promoting microenvironmental protein S100A4, focusing on the relationship between enhanced cellular motility, dedifferentiation and metabolic ... -
Dissemination and Characteristics of a Novel Plasmid-Encoded Carbapenem-Hydrolyzing Class D β-Lactamase, OXA-436, Found in Isolates from Four Patients Involving Six Different Hospitals in Denmark.
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-10-23)The diversity of OXA-48-like carbapenemases are continually expanding. In this study, we describe the dissemination and characteristics of a novel class D carbapenemase (CHDL) named OXA-436. In total, six OXA-436-producing Enterobacteriaceae isolates including Enterobacter asburiae (n=3), Citrobacter freundii (n=2) and Klebsiella pneumoniae (n=1) were identified in four patients in the period between ... -
Prognostic significance of S100A4-expression and subcellular localization in early-stage breast cancer
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-05)Purpose: <br> Prognostic factors are useful in order to identify early-stage breast cancer patients who might benefit from adjuvant treatment. The metastasis-promoting protein S100A4 has previously been associated with poor prognosis in breast cancer patients. The protein is expressed in diverse subcellular compartments, including the cytoplasm, extracellular space, and nucleus. Nuclear expression ... -
Influence of chain length on the activity of tripeptidomimetic antagonists for CXC chemokine receptor 4 (CXCR4)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2016-11-21)Here we report a series of close analogues of our recently published scaffold-based tripeptidomimetic CXCR4 antagonists, containing positively charged guanidino groups in R1 and R2, and an aromatic group in R3. While contraction/elongation of the guanidine carrying side chains (R1 and R2) resulted in loss of activity, introduction of bromine in position 1 on the naphth-2-ylmethyl moiety (R3 ... -
Use of a Commercially Available Microarray to Characterize Antibiotic-Resistant Clinical Isolates of Klebsiella pneumoniae
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-09-22)Commercially available microarray (IDENTIBAC AMR-ve) for the detection of antibiotic resistance determinants was investigated for its potential to genotype 30 clinical isolates and two control strains of Klebsiella pneumoniae. Resistance profiles and the production of extended-spectrum b-lactamases were determined by disc diffusion and the results were compared with the microarray profiles in order ... -
Using chemical reaction kinetics to predict optimal antibiotic treatment strategies
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-06)Identifying optimal dosing of antibiotics has proven challenging—some antibiotics are most effective when they are administered periodically at high doses, while others work best when minimizing concentration fluctuations. Mechanistic explanations for why antibiotics differ in their optimal dosing are lacking, limiting our ability to predict optimal therapy and leading to long and costly experiments. ... -
Bacillus anthracis gamma phage lysis among soil bacteria: An update on test specificity
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-16)Background: <br> Bacillus anthracis, which causes anthrax in humans and animals, is enzootic in parts of the U.S. state of Texas where cases are typically reported in animals annually. The gamma phage lysis assay is a common diagnostic method for identifcation of B. anthracis and is based on the bacterium’s susceptibility to lysis. This test has been shown to be 97% specifc for B. anthracis, as ... -
Low dose naltrexone in multiple sclerosis: Effects on medication use. A quasi-experimental study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-03)Low dose naltrexone (LDN) has become a popular off-label therapy for multiple sclerosis (MS). A few small, randomized studies indicate that LDN may have beneficial effects in MS and other autoimmune diseases. If proven efficacious, it would be a cheap and safe alternative to the expensive treatments currently recommended for MS. We investigated whether a sudden increase in LDN use in Norway in 2013 ... -
Ceramide-containing liposomes with doxorubicin: time and cell-dependent effect of C6 and C12 ceramide
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-08-12)Doxorubicin, a widely used chemotherapeutic drug, has several potential high- risk side effects including cardiomyopathy. Furthermore, cellular resistance to this drug develops with time. By using liposomes as carrier vesicles both the side effects and drug resistance might be avoided. In this study we have investigated the cytotoxic effect of doxorubicin encapsulated in liposomes with and ... -
Impact of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in children in a low resistance prevalence setting
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-07)We prospectively studied the consequences of extensive antibiotic treatment on faecal carriage of antibiotic-resistant enterobacteria in a cohort of children with cystic fibrosis (CF) and a cohort of children with cancer compared to healthy children with no or low antibiotic exposure. The study was conducted in Norway in a low resistance prevalence setting. Sixty longitudinally collected faecal ... -
What do Australian consumers, pharmacists and prescribers think about documenting indications on prescriptions and dispensed medicines labels?: A qualitative study
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-15)Background: Documenting the indication on prescriptions and dispensed medicines labels is not standard practice in Australia. However, previous studies that have focused on the content and design of dispensed medicines labels, have suggested including the indication as a safety measure. The aim of this study was to investigate the perspectives of Australian consumers, pharmacists and prescribers ... -
Direct and indirect risk associated with the use of dietary supplements among persons with dementia in a Norwegian memory clinic
(Journal article; Tidsskriftartikkel; Peer reviewed, 2017-05-12)Background: The use of dietary supplements (DS) is common among persons with dementia. Direct risks associated with DS use include adverse events and DS-drug interactions. A direct risk is a risk caused by the treatment itself. Indirect risks are related to the treatment setting, such as the conditions of use, and not to the treatment itself. Because dementia symptoms may reduce a person’s ability ...