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https://www.readbyqxmd.com/read/29141696/use-of-a-trigger-tool-to-detect-adverse-drug-reactions-in-an-emergency-department
#1
Silvana Maria de Almeida, Aruana Romualdo, Andressa de Abreu Ferraresi, Giovana Roberta Zelezoglo, Alexandre R Marra, Michael B Edmond
BACKGROUND: Although there are systems for reporting adverse drug reactions (ADR), these safety events remain under reported. The low-cost, low-tech trigger tool method is based on the detection of events through clues, and it seems to increase the detection of adverse events compared to traditional methodologies. This study seeks to estimate the prevalence of adverse reactions to drugs in patients seeking care in the emergency department. METHODS: Retrospective study from January to December, 2014, applying the Institute for Healthcare Improvement (IHI) trigger tool methodology for patients treated at the emergency room of a tertiary care hospital...
November 15, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29115994/exploring-venlafaxine-pharmacokinetic-variability-with-a-phenotyping-approach-a-multicentric-french-swiss-study-marvel-study
#2
Célia Lloret-Linares, Youssef Daali, Sylvie Chevret, Isabelle Nieto, Fanny Molière, Philippe Courtet, Florence Galtier, Raphaëlle-Marie Richieri, Sophie Morange, Pierre-Michel Llorca, Wissam El-Hage, Thomas Desmidt, Frédéric Haesebaert, Philippe Vignaud, Jerôme Holtzmann, Jean-Luc Cracowski, Marion Leboyer, Antoine Yrondi, Fabienne Calvas, Liova Yon, Philippe Le Corvoisier, Olivier Doumy, Kyle Heron, Damien Montange, Siamak Davani, Julien Déglon, Marie Besson, Jules Desmeules, Emmanuel Haffen, Frank Bellivier
BACKGROUND: It is well known that the standard doses of a given drug may not have equivalent effects in all patients. To date, the management of depression remains mainly empirical and often poorly evaluated. The development of a personalized medicine in psychiatry may reduce treatment failure, intolerance or resistance, and hence the burden and costs of mood depressive disorders. The Geneva Cocktail Phenotypic approach presents several advantages including the "in vivo" measure of different cytochromes and transporter P-gp activities, their simultaneous determination in a single test, avoiding the influence of variability over time on phenotyping results, the administration of low dose substrates, a limited sampling strategy with an analytical method developed on DBS analysis...
November 7, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29070274/long-term-omalizumab-use-in-the-treatment-of-exercise-induced-anaphylaxis
#3
Mark R Peterson, Christopher A Coop
Reported is a case of a 39-year-old male who was diagnosed with exercise-induced anaphylaxis (EIA). He was initially treated prophylactically with fexofenadine, montelukast, and ranitidine. He also used an epinephrine autoinjector as needed. He was refractory to these medications and continued to have episodes of EIA. He was then started on a trial of omalizumab, an immunoglobulin E monoclonal antibody, and had resolution of the EIA episodes. After discontinuation of the omalizumab, the EIA episodes returned...
October 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/29046033/-solar-urticaria-case-report-and-literature-review
#4
María Raigosa, Yuliana Toro, Jorge Sánchez
BACKGROUND: Solar urticaria is a rare type of inducible urticaria characterized by wheal and erythema formation shortly after exposure to sunlight or to an artificial light source; its pathophysiology is not yet entirely understood. The treatment of choice, in addition to exposure avoidance, consists in antihistamine administration. CLINICAL CASE: This is the case of a 27-year-old woman with no personal history of allergic diseases and with a 2-year history of erythema and wheals in photo-exposed areas associated with sunlight exposure for periods longer than 10 minutes...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28867740/investigation-on-the-interactions-between-various-drugs-and-aojiru-green-juice-using-a-simple-centrifugation-method
#5
Kazunari Iwao, Rushiana Tokie Kawai, Masako Oda, Hiroshi Saitoh
The objective of this study was to evaluate the interactions between various drugs and aojiru (green juice), a popular health food in Japan, using a simple centrifugation method. The mixture of drug solution and aojiru suspension was gently shaken and centrifuged. The drug concentration in the supernatant fluid was then determined by HPLC. The concentration of rhodamine 123 (Rho-123), a model compound, in the supernatant fluid significantly decreased after mixing with aojiru, indicating extensive binding of Rho-123 to the insoluble components of aojiru...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28831527/use-of-antihistamines-and-risk-of-ventricular-tachyarrhythmia-a-nested-case-control-study-in-five-european-countries-from-the-aritmo-project
#6
Elisabetta Poluzzi, I Diemberger, M De Ridder, A Koci, M Clo, A Oteri, S Pecchioli, I Bezemer, T Schink, S Pilgaard Ulrichsen, G Boriani, M C J Sturkenboom, F De Ponti, G Trifirò
PURPOSE: After regulatory restrictions for terfenadine and astemizole in '90s, only scarce evidence on proarrhythmic potential of antihistamines has been published. We evaluate the risk of ventricular tachyarrhythmia (VA) related to the use of individual antihistamines. METHODS: A matched case-control study nested in a cohort of new users of antihistamines was conducted within the EU-funded ARITMO project. Data on 1997-2010 were retrieved from seven healthcare databases: AARHUS (Denmark), GEPARD (Germany), HSD and ERD (Italy), PHARMO and IPCI (Netherlands) and THIN (UK)...
November 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28809091/different-localizations-of-drugs-simultaneously-administered-in-a-strand-of-hair-by-micro-segmental-analysis
#7
Kenji Kuwayama, Hajime Miyaguchi, Yuko T Iwata, Tatsuyuki Kanamori, Kenji Tsujikawa, Tadashi Yamamuro, Hiroki Segawa, Hiroyuki Inoue
Segmental hair analysis is used to estimate the time of drug intake at monthly precision in drug-related crimes. Previously we advanced this analytical method to specify the day of drug intake by cutting a strand of hair into 0.4-mm segments, which correspond to daily hair growth. Herein, we investigated the distributions of seven compounds in a strand of hair using micro-segmental analysis. Several strands of hair were collected 33.1-229.4 days after subjects were administered four pharmaceutical products that contained 10 drugs in single doses within 32 h...
August 15, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28712300/continuous-intestinal-absorption-model-based-on-the-convection-diffusion-equation
#8
Swati Nagar, Richard C Korzekwa, Ken Korzekwa
Prediction of the rate and extent of drug absorption upon oral dosing needs models that capture the complexities of both the drug molecule and intestinal physiology. We report here the development of a continuous intestinal absorption model based on the convection-diffusion equation. The model includes explicit enterocyte apical membrane and intracellular lipid radial compartments along the length of the intestine. Physiologic functions along length x are built into the model and include velocity, diffusion, surface areas, and pH of the intestine...
September 5, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28672829/fexofenadine-suppresses-delayed-type-hypersensitivity-in-the-murine-model-of-palladium-allergy
#9
Ryota Matsubara, Kenichi Kumagai, Hiroaki Shigematsu, Kazutaka Kitaura, Yasunari Nakasone, Satsuki Suzuki, Yoshiki Hamada, Ryuji Suzuki
Palladium is frequently used in dental materials, and sometimes causes metal allergy. It has been suggested that the immune response by palladium-specific T cells may be responsible for the pathogenesis of delayed-type hypersensitivity in study of palladium allergic model mice. In the clinical setting, glucocorticoids and antihistamine drugs are commonly used for treatment of contact dermatitis. However, the precise mechanism of immune suppression in palladium allergy remains unknown. We investigated inhibition of the immune response in palladium allergic mice by administration of prednisolone as a glucocorticoid and fexofenadine hydrochloride as an antihistamine...
June 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28665007/case-of-cholinergic-urticaria-accompanied-by-anaphylaxis
#10
Shigeruko Iijima, Kazumi Kojo, Noriko Takayama, Makiko Hiragun, Takanobu Kan, Michihiro Hide
Cholinergic urticaria occasionally occurs in combination with anaphylactic symptoms. However, this has not been widely reported. Herein, we report the case of a 14-year-old Japanese male who was diagnosed with cholinergic urticaria accompanied by anaphylaxis. The patient, who was suffering from atopic dermatitis and bronchial asthma, had developed wheals after exercising or bathing, which would have increased his core body temperature, since summer 2014. He experienced two episodes of severe systemic symptoms and wheal development when he took a bath after eating in December 2014 and the following January...
June 30, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28622592/second-generation-h1-antihistamines-interaction-with-food-and-alcohol-a-systematic-review
#11
REVIEW
Paweł Paśko, Tomasz Rodacki, Renata Domagała-Rodacka, Krzysztof Palimonka, Monika Marcinkowska, Danuta Owczarek
Histamine is a mediator of many physiological processes. It plays an important role in modulating allergy reactions and immune system responses. H1 receptor is a therapeutic target for drugs applied in allergic diseases such as allergic rhinoconjunctivitis, urticarial, or atopic dermatitis. H1-antihistamines display different chemical structures, pharmacokinetics and a potential for drug-drug and drug-food interactions. Drug-food interactions are known to reduce therapeutic effects of the medicine, as well as to induce a potent adverse drug reactions...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28570227/stevens-johnson-syndrome-toxic-epidermal-necrolysis-overlap-induced-by-fexofenadine
#12
S L Teo, A Santosa, P L Bigliardi
No abstract text is available yet for this article.
June 2017: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/28549907/transformation-of-biopharmaceutical-classification-system-class-i-and-iii-drugs-into-ionic-liquids-and-lipophilic-salts-for-enhanced-developability-using-lipid-formulations
#13
Hywel D Williams, Leigh Ford, Shea Lim, Sifei Han, John Baumann, Hannah Sullivan, David Vodak, Annabel Igonin, Hassan Benameur, Colin W Pouton, Peter J Scammells, Christopher J H Porter
Higher lipid solubility of lipophilic salt forms creates new product development opportunities for high-dose liquid-filled capsules. The purpose of this study is to determine if lipophilic salts of Biopharmaceutical Classification System (BCS) Class I amlodipine and BCS Class III fexofenadine, ranitidine, and metformin were better lipid formulation candidates than existing commercial salts. Lipophilic salts were prepared from lipophilic anions and commercial HCl or besylate salt forms, as verified by (1)H-NMR...
May 23, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28544909/can-human-allergy-drug-fexofenadine-an-antagonist-of-histamine-h1-receptor-be-used-to-treat-dog-and-cat-homology-modeling-docking-and-molecular-dynamic-simulation-of-three-h1-receptors-in-complex-with-fexofenadine
#14
Safaa Sader, Jun Cai, Anna C G Muller, Chun Wu
Fexofenadine, a potent antagonist to human histamine 1 (H1) receptor, is a non-sedative third generation antihistamine that is widely used to treat various human allergic conditions such as allergic rhinitis, conjunctivitis and atopic dermatitis. Encouragingly, it's been successfully used to treat canine atopic dermatitis, this supports the notion that it might have a great potential for treating other canine allergic conditions and other mammal pets such as dog. Regrettably, while there is a myriad of studies conducted on the interactions of antihistamines with human H1 receptor, the similar studies on non-human pet H1 are considerably scarce...
May 17, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28544353/chiral-separation-of-12-pairs-of-enantiomers-by-capillary-electrophoresis-using-heptakis-2-3-diacetyl-6-sulfato-%C3%AE-cyclodextrin-as-the-chiral-selector-and-the-elucidation-of-the-chiral-recognition-mechanism-by-computational-methods
#15
Yaqi Yao, Peilu Song, Xiaoli Wen, Miaoduo Deng, Jian Wang, Xingjie Guo
Chiral separation of 12 pairs of basic analyte enantiomers including oxybutynin, bambuterol, tradinterol, clenbuterol, clorprenaline, terbutaline, tulobuterol, citalopram, phencynonate, fexofenadine, salbutamol and penehyclidine was conducted by capillary electrophoresis using a single-isomer anionic β-cyclodextrin derivative, heptakis-(2,3-diacetyl-6-sulfato)-β-cyclodextrin as the chiral selector. Parameters influencing separation were studied, including background electrolyte pH, heptakis-(2,3-diacetyl-6-sulfato)-β-cyclodextrin concentration, buffer concentration and separation voltage...
May 24, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28521025/mechanism-of-as2o3-induced-action-potential-prolongation-and-using-hips-cms-to-evaluate-the-rescue-efficacy-of-drugs-with-different-rescue-mechanism
#16
Meng Yan, Lifang Feng, Yanhui Shi, Junnan Wang, Yan Liu, Fengmei Li, Baoxin Li
Arsenic trioxide (As2O3) has been verified as a breakthrough in the management of acute promyelocytic leukemia in recent decades. However, cardiotoxicity, especially long QT syndrome (LQTS) has become the most important issue during As2O3 treatment. The characterized mechanisms behind this adverse effect are inhibition of cardiac hERG channel trafficking and increase of cardiac calcium currents. In our study, we found a new pathway underlying As2O3-induced cardiotoxicity that As2O3 accelerates lysosomal degradation of hERG on plasma membrane after using brefeldin A (BFA) to block protein trafficking...
August 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28511488/comparative-efficacy-and-safety-of-ebastine-20-mg-ebastine-10-mg-and-levocetirizine-5-mg-in-acute-urticaria
#17
Vippan Goyal, Anu Gupta, Onam Gupta, Dhruvendra Lal, Manharan Gill
INTRODUCTION: Acute and chronic urticaria can result in severely impaired quality of life from pruritus and associated sleep lessness, as well as anxiety and depression. Various treatment modalities are available out of which second generation non sedating H1 antihistamines e.g., fexofenadine, loratidine, desloratadine, cetirizine, levocetirizine, ebastine etc., are used as the first line treatment. AIM: To compare the safety and efficacy of ebastine 20 mg, ebastine 10 mg and levocetirizine 5 mg in the patients of urticaria...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28456083/microfluidic-photoinduced-chemical-oxidation-for-ru-bpy-3-3-chemiluminescence-a-comprehensive-experimental-comparison-with-on-chip-direct-chemical-oxidation
#18
Afsal Mohammed Kadavilpparampu, Haider A J Al Lawati, Fakhr Eldin O Suliman
For the first time, the analytical figures of merit in detection capabilities of the very less explored photoinduced chemical oxidation method for Ru(bpy)3(2+) CL has been investigated in detail using 32 structurally different analytes. It was carried out on-chip using peroxydisulphate and visible light and compared with well-known direct chemical oxidation approaches using Ce(IV). The analytes belong to various chemical classes such as tertiary amine, secondary amine, sulphonamide, betalactam, thiol and benzothiadiazine...
April 21, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28437851/fexofenadine-a-putative-in-vivo-p-glycoprotein-probe-fails-to-predict-clearance-of-the-substrate-tacrolimus-in-renal-recipients
#19
T Vanhove, T Bouillon, H de Loor, P Annaert, Drj Kuypers
Whether the combined use of probe drugs for CYP3A4 and P-glycoprotein can clarify the relative contribution of these proteins to pharmacokinetic variability of a dual substrate like tacrolimus has never been assessed. Seventy renal recipients underwent simultaneous 8-h pharmacokinetic profiles for tacrolimus, the CYP3A4 probe midazolam, and the putative P-glycoprotein probe fexofenadine. Patients were genotyped for polymorphisms in CYP3A5, CYP3A4, ABCB1, ABCC2 and SLCO2B1, -1B1, and 1B3. Carriers of the ABCB1 2677G>A polymorphism displayed lower fexofenadine Cmax (-66%; P = 0...
April 24, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28414144/intestinal-drug-interactions-mediated-by-oatps-a-systematic-review-of-preclinical-and-clinical-findings
#20
REVIEW
Jingjing Yu, Zhu Zhou, Jessica Tay-Sontheimer, René H Levy, Isabelle Ragueneau-Majlessi
In recent years, an increasing number of clinical drug-drug interactions (DDIs) have been attributed to inhibition of intestinal organic anion-transporting polypeptides (OATPs); however, only a few of these DDI results were reflected in drug labels. This review aims to provide a thorough analysis of intestinal OATP-mediated pharmacokinetic-based DDIs, using both in vitro and clinical investigations, highlighting the main mechanistic findings and discussing their clinical relevance. On the basis of pharmacogenetic and clinical DDI results, a total of 12 drugs were identified as possible clinical substrates of OATP2B1 and OATP1A2...
April 13, 2017: Journal of Pharmaceutical Sciences
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