Viser treff 61-80 av 385

    • Insight into the mechanism behind oral bioavailability-enhancement by nanosuspensions through combined dissolution/permeation studies 

      Lynnerup, Jakob Tobias; Eriksen, Jonas Borregaard; Bauer-Brandl, Annette; Holsæter, Ann Mari; Brandl, Martin (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-03-02)
      As numerous new drug candidates are poorly water soluble, enabling formulations are needed to increase their bioavailability for oral administration. Nanoparticles are a conceptually simple, yet resource consuming strategy for increasing drug dissolution rate, as predicting in vivo oral absorption using in vitro dissolution remains difficult. The objective of this study was to obtain insight into ...
    • Strong pathogen competition in neonatal gut colonisation 

      Mäklin, Tommi; Thorpe, Harry Arthur Frank Wright; Pöntinen, Anna Kaarina; Gladstone, Rebecca Ashley; Shao, Yan; Pesonen, Maiju; McNally, Alan; Johnsen, Pål Jarle; Samuelsen, Ørjan; Lawley, Trevor D.; Honkela, Antti; Corander, Jukka (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-01)
      Opportunistic bacterial pathogen species and their strains that colonise the human gut are generally understood to compete against both each other and the commensal species colonising this ecosystem. Currently we are lacking a population-wide quantification of strain-level colonisation dynamics and the relationship of colonisation potential to prevalence in disease, and how ecological factors ...
    • Targeted PFAS analyses and Extractable Organofluorine – Enhancing our Understanding of the presence of unknown PFAS in Norwegian wildlife 

      Herzke, Dorte; Nikiforov, Vladimir; Yeung, Leo WY.; Moe, Børge; Routti, Heli Anna Irmeli; Nygård, Torgeir; Gabrielsen, Geir W.; Hanssen, Linda (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-11-17)
      With the current possible presence of thousands of PFAS compounds in industrial emissions, there is an increasing need to assess the impacts of PFAS regulation of conventional PFAS on one hand and the exposure to emerging and yet unknown PFAS on the other. Today’s analytical methodologies using targeted approaches are not sufficient to determine the complete suite of PFAS present. To evaluate the ...
    • Communication about medication management during patient-physician consultations in primary care: a participant observation study 

      Adelsjö, Igor; Nilsson, Lina; Hellström, Amanda; Ekstedt, Mirjam; Lehnbom, Elin (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-11-03)
      Objective - To explore communication about medication management during annual consultations in primary care. Design: passive participant observations of primary care consultations.<p> <p>Setting - Two primary care centres in southern Sweden.<p> <p>Participants - Consultations between 18 patients (over the age of 60 years) with chronic diseases and 10 general practitioners (GPs) were observed, ...
    • Tailored anti-biofilm activity – Liposomal delivery for mimic of small antimicrobial peptide 

      Hemmingsen, Lisa Myrseth; Giordani, Barbara; Paulsen, Marianne Hagensen; Vanic, Zeljka; Flaten, Gøril Eide; Vitali, Beatrice; Basnet, Purusotam; Bayer, Annette; Strøm, Morten B.; Skalko-Basnet, Natasa (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-12-13)
      The eradication of bacteria embedded in biofilms is among the most challenging obstacles in the management of chronic wounds. These biofilms are found in most chronic wounds; moreover, the biofilm-embedded bacteria are considerably less susceptible to conventional antimicrobial treatment than the planktonic bacteria. Antimicrobial peptides and their mimics are considered attractive candidates in the ...
    • Potential Safety Issues With Combined Use of Dietary Supplements and Medication – Focus on Interactions 

      Waaseth, Marit; Rønning, Silje Brækkan; Skeie, Guri (Chapter; Bokkapittel, 2022-11-09)
      The use of dietary supplements (DS) is widespread and tends to increase with age and female gender. DS use can in some situations represent a safety risk for patients. For instance, concomitant use of medication and dietary supplements, particularly herbal remedies, may cause clinically significant pharmacological interactions. The study underlying this chapter aimed to investigate the prevalence ...
    • Evolutionary Instability of Collateral Susceptibility Networks in Ciprofloxacin-Resistant Clinical Escherichia coli Strains 

      Sørum, Vidar; Øynes, Emma Lu; Sollied Møller, Anna; Harms, Klaus; Samuelsen, Ørjan; Podnecky, Nicole L.; Johnsen, Pål Jarle (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-07)
      ABSTRACT Collateral sensitivity and resistance occur when resistance development toward one antimicrobial either potentiates or deteriorates the effect of others. Previous reports on collateral effects on susceptibility focus on newly acquired resistance determinants and propose that novel treatment guidelines informed by collateral networks may reduce the evolution, selection, and spread of ...
    • Interdisciplinary collaboration across secondary and primary care to improve medication safety in the elderly (The IMMENSE study) – a randomized controlled trial 

      Johansen, Jeanette Schultz; Halvorsen, Kjell H.; Svendsen, Kristian; Havnes, Kjerstin; Robinson, Eirin Guldsten; Ljones Wetting, Hilde; Haustreis, Stine; Småbrekke, Lars; Kamycheva, Elena; Garcia, Beate Hennie (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-26)
      Background - Suboptimal medication use contributes to a substantial proportion of hospitalizations and emergency department visits in older adults. We designed a clinical pharmacist intervention to optimize medication therapy in older hospitalized patients. Based on the integrated medicine management (IMM) model, the 5-step IMMENSE intervention comprise medication reconciliation, medication review, ...
    • Interlaboratory evaluation of a digital holographic microscopy–based assay for label-free in vitro cytotoxicity testing of polymeric nanocarriers 

      Marzi, Anne; Eder, Kai Moritz; Barroso, Álvaro; Wågbø, Ane Marit; Mørch, Ýrr Asbjørg; Hatletveit, Anne Rein; Visnes, Torkild; Schmid, Ruth Baumberger; Klinkenberg, Geir; Kemper, Björn; Schnekenburger, Jürgen (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-08)
      State-of-the-art in vitro test systems for nanomaterial toxicity assessment are based on dyes and several staining steps which can be affected by nanomaterial interference. Digital holographic microscopy (DHM), an interferometry-based variant of quantitative phase imaging (QPI), facilitates reliable proliferation quantification of native cell populations and the extraction of morphological features ...
    • Phenotypic and genotypic characterisation of thymine auxotrophy in Escherichia coli isolated from a patient with recurrent bloodstream infection 

      Jakovljev, Aleksandra; Afset, Jan Egil; Haugum, Kjersti; Steinum, Harald Otto; Rønning, Torunn Gresdal; Samuelsen, Ørjan; Ås, Christina Gabrielsen (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-08)
      Introduction<p> <p>Thymine auxotrophic in vitro mutants of Escherichia coli were first reported in the mid-20th century. Later, thymine-dependent clinical strains of E. coli as well as other Enterobacterales, Enterococcus faecalis and Staphylococcus aureus have been recognized as the cause of persistent and recurrent infections. <p>Objectives <p>The aim of this study was to characterize the ...
    • Interdisciplinary collaboration across secondary and primary care to improve medication safety in the elderly (The IMMENSE study) – a randomized controlled trial 

      Johansen, Jeanette Schultz; Halvorsen, Kjell H.; Svendsen, Kristian; Havnes, Kjerstin; Robinson, Eirin Guldsten; Wetting, Hilde Ljones; Haustreis, Stine; Småbrekke, Lars; Kamycheva, Elena; Garcia, Beate Hennie (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-26)
      <b><p>Background</b> Suboptimal medication use contributes to a substantial proportion of hospitalizations and emergency department visits in older adults. We designed a clinical pharmacist intervention to optimize medication therapy in older hospitalized patients. Based on the integrated medicine management (IMM) model, the 5-step IMMENSE intervention comprise medication reconciliation, medication ...
    • Use of Selective Serotonin Reuptake Inhibitors – Validity of Self-Report versus Plasma Concentrations and Pharmacy Dispensations – A Cross-Sectional Analysis of the Norwegian Women and Cancer Study 

      Waaseth, Marit; Havelkova, Martina; Forsdahl, Guro; Lund, Eiliv; Log, Tomas (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-06-30)
      Purpose: To validate self-reported current use of selective serotonin reuptake inhibitors (SSRI) in the Norwegian Women and Cancer study (NOWAC) and to identify factors associated with discordance between data sources.<p> <p>Material and Methods: This is a cross-sectional record-linkage study comparing SSRI-use derived from four data sources: 1) Specific SSRI questions in the main NOWAC questionnaire, ...
    • Mechanisms of antibiotic action shape the fitness landscapes of resistance mutations 

      Hemez, Colin; Clarelli, Fabrizio; Palmer, Adam C.; Bleis, Christina; Abel, Sören; Chindelevitch, Leonid; Cohen, Theodore; Abel zur Wiesch, Pia (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-24)
      Antibiotic-resistant pathogens are a major public health threat. A deeper understanding of how an antibiotic’s mechanism of action influences the emergence of resistance would aid in the design of new drugs and help to preserve the effectiveness of existing ones. To this end, we developed a model that links bacterial population dynamics with antibiotic-target binding kinetics. Our approach allows ...
    • Chitosan-based delivery system enhances antimicrobial activity of chlorhexidine 

      Hemmingsen, Lisa Myrseth; Panchai, Pimmat; Julin, Kjersti; Basnet, Purusotam; Nystad, Mona; Johannessen, Mona; Skalko-Basnet, Natasa (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-29)
      Infected chronic skin wounds and other skin infections are increasingly putting pressure on the health care providers and patients. The pressure is especially concerning due to the rise of antimicrobial resistance and biofilm-producing bacteria that further impair treatment success. Therefore, innovative strategies for wound healing and bacterial eradication are urgently needed; utilization ...
    • Nucleic acid peptide nanogels for the treatment of bacterial keratitis 

      Obuobi, Sybil Akua Okyerewa; Mayandi, Venkatesh; Nurul, Azlyn Mohd Nor; Lee, Benedict Jiasheng; Lakshminarayanan, Rajamani; Pui Lai, Rachel Ee (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-14)
      Cage-shaped nucleic acid nanocarriers are promising molecular scaffolds for the organization of polypeptides. However, there is an unmet need for facile loading strategies that truly emulate nature's host–guest systems to drive encapsulation of antimicrobial peptides (AMPs) without loss of biological activity. Herein, we develop DNA nanogels with rapid in situ loading of L12 peptide during the thermal ...
    • How docetaxel entrapment, vesicle size, zeta potential and stability change with liposome composition–A formulation screening study 

      Holsæter, Ann Mari; Wizgird, Kristina; Karlsen, Iselin; Hemmingsen, Jeanette Frimand; Brandl, Martin; Skalko-Basnet, Natasa (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-21)
      Limitations of the anticancer drug product Taxotere® have encouraged researchers to entrap the active ingredient docetaxel (DTX) into nanocarriers such as liposomes. However, until now no DTX-liposome formulation has reached the clinic. Hence, in the present study, different Soy-PC based DTX-liposome formulations were screened in an attempt to identify lipid-compositions with promising DTX-entrapment ...
    • Genetically determined reproductive aging and coronary heart disease: a bidirectional two-sample Mendelian Randomization 

      Dam, Veerle; Onland-Moret, N. Charlotte; Burgess, Stephen; Chirlaque, Maria Dolores; Peters, Sanne A.E.; Schuit, Ewoud; Tikk, Kaja; Weiderpass, Elisabete; Oliver-Williams, Clare; Wood, Angela M.; Tjønneland, Anne; Dahm, Christina C; Overvad, Kim; Boutron-Rualt, Marie-Christine; Schulze, Matthias B.; Trichopoulou, Antonia; Ferrari, Pietro; Masala, Giovanna; Krogh, Vittorio; Tumino, Rosario; Matullo, Giuseppe; Panico, Salvatore; Boer, Jolanda M. A.; Verschuren, W.M. Monique; Waaseth, Marit; Pérez, María José Sánchez; Amiano, Pilar; Imaz, Liher; Moreno-Iribas, Conchi; Melander, Olle; Harlid, Sophia; Nordendahl, Maria; Wennberg, Patrik; Key, Timothy J.; Riboli, Elio; Santiuste, Carmen; Kaaks, Rudolf; Katzke, Verena; Langenberg, Claudia; Wareham, Nicholas J.; Schunkert, Heribert; Erdmann, Jeanette; Willenborg, Christina; Hengstenberg, Christian; Kleber, Marcus E.; Delgado, Graciela; März, Winfried; Kanoni, Stavroula; Dedoussis, George; Deloukas, Panos; Nikpay, Majid; McPherson, Ruth; Scholz, Markus; Teren, Andrej; Butterworth, Adam S.; van der Schouw, Yvonne T. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-20)
      Background: Accelerated reproductive aging, in women indicated by early natural menopause, is associated with increased coronary heart disease (CHD) risk in observational studies. Conversely, an adverse CHD risk profile has been suggested to accelerate menopause.<p> <p>Objectives: To study the direction and evidence for causality of the relationship between reproductive aging and (non-)fatal CHD ...
    • Pharmacist's time spent: Space for Pharmacy-based Interventions and Consultation TimE (SPICE)-an observational time and motion study 

      Karia, Ajay; Norman, Richard; Robinson, Suzanne; Lehnbom, Elin; Laba, Tracey-Lea; Durakovic, Iva; Balane, Christine; Joshi, Rohina; Webster, Ruth (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-02)
      Objective To describe the pharmacists’ workflow, including tasks and time spent, to better understand their work capacity.<p> <p>Design Cross-sectional, observational, time and motion study. <p>Setting Community pharmacies in Western Australia and New South Wales, Australia. <p>Participants Currently registered and practising pharmacists were approached using snowball sampling and selected ...
    • Medication adherence among persons with coronary heart disease and associations with blood pressure and low-density-lipoprotein-cholesterol 

      Pedersen, Elisabeth; Primicerio, Raul; Halvorsen, Kjell H.; Eggen, Anne Elise; Garcia, Beate Hennie; Schirmer, Henrik; Waaseth, Marit (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-21)
      Purpose - To describe medication adherence to lipid-lowering drugs (LLDs), antihypertensive drugs, and acetylsalicylic acid (ASA) among persons with coronary heart disease (CHD) and explore its association with low-density-lipoprotein (LDL)-cholesterol, and systolic and diastolic blood pressure.<p> <p>Methods - Based on record linkage between the seventh wave of the Tromsø Study and the Norwegian ...
    • Effect of antiangiogenic therapy on tumor growth, vasculature and kinase activity in basal- and luminal-like breast cancer xenografts 

      Lindholm, Evita Maria; Kristian, Alexandr; Nalwoga, Hawa; Kruger, Kristi; Nygård, Ståle; Akslen, Lars A.; Mælandsmo, Gunhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2012-03-31)
      Several clinical trials have investigated the efficacy of bevacizumab in breast cancer, and even if growth inhibiting effects have been registered when antiangiogenic treatment is given in combination with chemotherapy no gain in overall survival has been observed. One reason for the lack of overall survival benefit might be that appropriate criteria for selection of patients likely to respond ...