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https://www.readbyqxmd.com/read/28643237/small-airway-absorption-and-microdosimetry-of-inhaled-corticosteroid-particles-after-deposition
#1
P Worth Longest, Michael Hindle
PURPOSE: To predict the cellular-level epithelial absorbed dose from deposited inhaled corticosteroid (ICS) particles in a model of an expanding and contracting small airway segment for different particle forms. METHODS: A computational fluid dynamics (CFD)-based model of drug dissolution, absorption and clearance occurring in the surface liquid of a representative small airway generation (G13) was developed and used to evaluate epithelial dose for the same deposited drug mass of conventional microparticles, nanoaggregates and a true nanoaerosol...
June 22, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28642042/changes-in-biophysical-membrane-properties-induced-by-the-budesonide-hydroxy-%C3%AE-cyclodextrin-complex
#2
Andreia G Dos Santos, Jules Bayiha, Gilles Dufour, Didier Cataldo, Brigitte Evrard, Liana C Silva, Magali Deleu, Marie-Paule Mingeot-Leclercq
Budesonide (BUD), a poorly soluble anti-inflammatory drug, is used to treat patients suffering from asthma and COPD (Chronic Obstructive Pulmonary Disease). Hydroxypropyl-β-cyclodextrin (HPβCD), a biocompatible cyclodextrin known to interact with cholesterol, is used as a drug-solubilizing agent in pharmaceutical formulations. Budesonide administered as an inclusion complex within HPβCD (BUD:HPβCD) required a quarter of the nominal dose of the suspension formulation and significantly reduced neutrophil induced inflammation in a COPD mouse model exceeding the effect of each molecule administered individually...
June 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28635218/-nasal-irrigation-for-the-treatment-of-vasomotor-rhinitis-a-pilot-study
#3
L Lin, Q Lu, X Y Tang, F Dai, J J Wei
Objective: To observe the therapeutic effect of simple 3.0% saline nasal irrigation and combined treatment of 3.0% saline nasal irrigation and budesonide nasal spray for vasomotor rhinitis (VMR), and explore the long-term effect for VMR. Through examination of levels of substance P (SP) and mucin (MUC)5B in nasal lavage fluid, the mechanisms of nasal irrigation treatment for VMR was discussed. Methods: One hundred and one patients from Department of Otorhinolaryngology Head and Neck Surgery, Huashan Hospital of Fudan University with VMR were randomly divided into 4 groups...
June 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28626506/impact-of-nonadherence-to-inhaled-corticosteroid-laba-therapy-on-copd-exacerbation-rates-and-healthcare-costs-in-a-commercially-insured-us-population
#4
Jill R Davis, Bingcao Wu, David M Kern, Ozgur Tunceli, Kathleen M Fox, John Horton, Randall F Legg, Frank Trudo
BACKGROUND: Evidence of poor patient adherence to medications for chronic obstructive pulmonary disease (COPD) is well-documented, but its impact on disease exacerbation rates and associated healthcare costs remains unclear. OBJECTIVE: To assess the association between adherence levels to different inhaled corticosteroid/long-acting ß2-adrenergic agonist (LABA) and COPD exacerbation rates and costs in a commercially insured population. METHODS: In this observational cohort study, patients with COPD (aged ≥40 years) who were treatment-naïve to inhaled corticosteroid/LABA and were initiating budesonide plus formoterol or fluticasone plus salmeterol between March 1, 2009, and January 31, 2014, were identified in a national representative claims database and were followed for up to 12 months...
April 2017: American Health & Drug Benefits
https://www.readbyqxmd.com/read/28619455/in-vitro-release-profiles-of-plga-core-shell-composite-particles-loaded-with-theophylline-and-budesonide
#5
Hsi-Wei Yeh, Da-Ren Chen
We investigated the effects of drug loading location, matrix material and shell thickness on the in vitro release of combinational drugs from core-shell PLGA (i.e., poly(lactic-co-glycolic acid)) particles. Budesonide and Theophylline were selected as highly hydrophobic and hydrophilic model drugs, respectively. The dual-capillary electrospray (ES) technique, operated at the cone-jet mode, was used to produce samples of drug-loaded core-shell composite particles with selected overall sizes, polymer materials, and shell thicknesses...
June 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28617448/diminishing-effectiveness-of-long-term-maintenance-topical-steroid-therapy-in-ppi-non-responsive-eosinophilic-esophagitis
#6
Swathi Eluri, Thomas M Runge, Jason Hansen, Bharati Kochar, Craig C Reed, Benjamin S Robey, John T Woosley, Nicholas J Shaheen, Evan S Dellon
OBJECTIVES: While topical corticosteroids are first-line therapy for eosinophilic esophagitis (EoE), the data regarding long-term effectiveness are lacking. We aimed to determine long-term histologic and endoscopic outcomes of maintenance therapy in EoE steroid responders. METHODS: We performed a retrospective study of adults with EoE at UNC Hospitals who had initial histologic response (<15 eos/hpf) after 8 weeks of topical steroids, and maintained on therapy...
June 15, 2017: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/28612627/pharmacokinetic-drug-evaluation-of-budesonide-in-the-treatment-of-crohn-s-disease
#7
Lukasz Kwapisz, Vipul Jairath, Reena Khanna, Brian Feagan
Crohn's disease (CD) is a chronic inflammatory disorder that commonly affects the terminal ileum and proximal colon. Although systemic corticosteroids such as prednisone and methylprednisolone are widely used for treatment of CD, these agents have a high incidence of adverse drug reactions due to off-target effects. Budesonide is a locally acting corticosteroid with enhanced formulation properties that offer a superior therapeutic index in comparison to conventional members of the class. Areas covered: This review focuses on budesonide for the treatment of CD...
June 16, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28612436/a-contact-allergic-reaction-to-budesonide-mimicking-immediate-type-allergy
#8
Morten S Opstrup, Lene H Garvey, Jeanne D Johansen, David K Bregnbak, Jacob P Thyssen
No abstract text is available yet for this article.
July 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/28609593/travelling-safely-to-places-at-high-altitude-understanding-and-preventing-altitude-illness
#9
Ivan Parise
BACKGROUND: Greater numbers of people are travelling to places at high altitude each year. Altitude illness is common in places at high altitude and may be life-threatening. General practitioners (GPs) are best placed to provide evidence-based advice to keep travellers well informed of the possible risks they may encounter in places at high altitude. OBJECTIVE: The aim of this article is to review knowledge on altitude illness in order to help GPs assist patients to travel safely to places at high altitude...
June 2017: Australian Family Physician
https://www.readbyqxmd.com/read/28608650/comparison-of-different-dosing-strategies-of-intratracheally-instilled-budesonide-on-meconium-injured-piglet-lungs
#10
Chih-Hsueh Lin, Mei-Jy Jeng, Yi-Chiang Yang, Yu-Hsuan Hsiao, Yu Ru Kou
BACKGROUND: Severe inflammation plays a vital role in the pathogenesis of meconium aspiration syndrome (MAS). Intratracheal (IT) instillation of corticosteroids may be beneficial for MAS in optimizing local effect and reducing systemic adverse effects, but the optimum dosing course remains open to question. METHODS: Thirty meconium-injured newborn piglets were enrolled into six study groups. The first four groups consisted of the IT instillation of 0.25/0.5 mg/kg using either one (IT-B251/IT-B501) or two (IT-B252/IT-B502) doses of budesonide, while the other two groups were the intravenous (IV) dexamethasone (0...
July 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28608048/six-food-elimination-diet-and-topical-steroids-are-effective-for-eosinophilic-esophagitis-a-meta-regression
#11
Cary C Cotton, Swathi Eluri, W Asher Wolf, Evan S Dellon
BACKGROUND: Topical corticosteroids or six-food elimination diet is recommended as initial therapy for eosinophilic esophagitis (EoE). AIMS: We aimed to summarize published manuscripts that report outcomes of these therapies for EoE. METHODS: We performed a systematic review in MEDLINE, Web of Science, and Embase of published manuscripts describing topical fluticasone, topical budesonide, and six-food elimination diet as therapies for EoE...
June 12, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28592015/-clinical-manifestations-of-three-cases-of-surfactant-protein-c-p-v39l-mutation
#12
J H Chen, D Y Zhao, S H An, Y J Zheng, H P Wang, H L Ma
Objective: To investigate the clinical manifestations of surfactant protein C gene (SFTPC) exon-2 c. 115G>G/T (p.V39L). Method: Patients were screened for the entire coding sequence of SFTPC. Three cases from three children's hospital with mutation in p. V39L were reported. Result: All the three cases were females. The age of onset ranged from 2 months to 7 years. Two cases had recurrent lower respiratory tract infection and failed to thrive. One had chronic anoxia and clubbing fingers. Chest computed tomography (CT) showed diffused ground glass pattern, localized emphysema and intralobular septal thickening...
June 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28584561/active-ingredients-of-epimedii-folium-and-ligustri-lucidi-fructus-balanced-gr-hsp90-to-improve-the-sensitivity-of-asthmatic-rats-to-budesonide
#13
Xiufeng Tang, Xiaoxi Li, Honglei Nian, Yan Yang, Yuheng Chen, Xiujuan Wang, Liping Xu, Xinwei Yang, Renhui Liu
This study aimed to investigate the possible molecular mechanisms of active ingredients of Epimedii Folium (EF) and Ligustri Lucidi Fructus (LLF) combined with Budesonide (Bun) in asthmatic rats. Rats were divided into 5 groups, including normal group, asthma model group, Bun group, group of active ingredients of EL and LLF (EL), and group of coadministration of Bun with EL (Bun&EL). The asthmatic model was prepared by ovalbumin sensitizing and challenging. Lymphocyte apoptosis, GR protein and binding, and the protein and mRNA of GRα, GRβ, and HSP90 were tested...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28583335/improved-respirable-fraction-of-budesonide-powder-for-dry-powder-inhaler-formulations-produced-by-advanced-supercritical-co2-processing-and-use-of-a-novel-additive
#14
Yuta Miyazaki, Naoki Aruga, Kazunori Kadota, Yuichi Tozuka, Hirofumi Takeuchi
A budesonide (BDS) suspension was obtained via advanced supercritical carbon dioxide (scCO2) processing. Thereafter, the suspension was freeze-dried (FD) to produce BDS particles for dry powder inhaler formulations (scCO2/FD processing). The scCO2/FD processed BDS powder showed low crystallinity by powder X-ray diffraction and a rough surface by scanning electron microscopy. The respirable fraction of BDS was assessed using a twin impinger and revealed that the amount of the scCO2/FD processed sample that reached stage 2 was 4-fold higher than that of the supplied powder...
June 3, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28583232/effect-of-topical-beclomethasone-on-inflammatory-markers-in-adults-with-eosinophilic-esophagitis-a-pilot-study
#15
Neeti Bhardwaj, Faoud Ishmael, Erik Lehman, Deborah Bethards, Francesca Ruggiero, Gisoo Ghaffari
BACKGROUND: Topical corticosteroids have proven efficacy in the treatment of eosinophilic esophagitis (EoE) and are considered the cornerstone of therapy. OBJECTIVE: To evaluate the effect of topical beclomethasone dipropionate (BDP) therapy on clinical outcomes, esophageal eosinophilia, and other markers of inflammation in patients with EoE. METHODS: Nine subjects with a biopsy-proven diagnosis of EoE were enrolled. In a cross-over design, the subjects were randomly assigned to a sequence of BDP and placebo...
June 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28572742/real-life-effectiveness-and-safety-of-the-inhalation-suspension-budesonide-comparator-vs-the-originator-product-for-the-treatment-of-patients-with-asthma-a-historical-cohort-study-using-a-us-health-claims-database
#16
David B Price, Eran Gefen, Gokul Gopalan, Cristiana Miglio, Rosie McDonald, Vicky Thomas, Simon Wan Yau Ming
OBJECTIVE: The objective of this study was to determine whether the effectiveness of budesonide comparator is non-inferior to budesonide reference in the prevention of asthma exacerbations. Asthma-related hospitalizations and safety were also examined. METHODS: This study used a matched, historic cohort design. Data were drawn from the Clinformatics™ Data Mart US claims database and included a 1-year baseline, starting 1 year before the index prescription date, and a 1-year outcome period...
2017: Pragmatic and Observational Research
https://www.readbyqxmd.com/read/28561247/asthma-during-pregnancy-exacerbations-management-and-health-outcomes-for-mother-and-infant
#17
Vanessa E Murphy, Megan E Jensen, Peter G Gibson
One in 10 pregnant women worldwide has asthma and of these, 10% will have a severe exacerbation requiring oral corticosteroids (OCSs) in pregnancy. This review of recent publications in the field will describe the effects of exacerbation on maternal and neonatal health, the use of asthma medications during pregnancy, and will suggest novel management approaches for asthma in pregnancy. Pregnancy results in unpredictable changes in the disease; therefore, regular monitoring of symptoms is recommended. Uncontrolled asthma is frequently described in cohorts of pregnant women with asthma, and some recent studies show associations with adverse perinatal outcomes, as previously demonstrated with exacerbations...
April 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28556446/multi-residue-analysis-of-glucocorticoids-in-milk-by-lc-ms-ms-with-low-temperature-purification-and-dispersive-solid-phase-extraction
#18
Lili Ma, Xiaojing Fan, Li Jia, Jiaqi Wang, Suli Wang, Liuwei Zhao
A multi-residue method for the determination of 12 glucocorticoids (clobetasol propionate, budesonide, triamcinolone, triamcinolone acetonide, fludrocortisone acetate, flumethasone, beclomethasone, prednisone acetate, 6-α-methylprednisolone, hydrocortisone, cortisone and prednisone) in bovine milk was developed using liquid chromatography with tandem mass spectrometry. Isoflupredone was used as an internal standard. Milk samples were treated with ethyl acetate to extract glucocorticoids and were frozen at -20°C for 6 h to precipitate fat...
May 27, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28553098/the-effect-of-copd-severity-and-study-duration-on-exacerbation-outcome-in-randomized-controlled-trials
#19
Göran Eriksson, Peter M Calverley, Christine R Jenkins, Antonio R Anzueto, Barry J Make, Magnus Lindberg, Malin Fagerås, Dirkje S Postma
BACKGROUND: When discontinuation in COPD randomized controlled trials (RCTs) is unevenly distributed between treatments (differential dropout), the capacity to demonstrate treatment effects may be reduced. We investigated the impact of the time of differential dropout on exacerbation outcomes in RCTs, in relation to study duration and COPD severity. METHODS: A post hoc analysis of 2,345 patients from three RCTs of 6- and 12-month duration was performed to compare budesonide/formoterol and formoterol in moderate, severe, and very severe COPD...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28545978/benralizumab-for-patients-with-mild-to-moderate-persistent-asthma-bise-a-randomised-double-blind-placebo-controlled-phase-3-trial
#20
Gary T Ferguson, J Mark FitzGerald, Eugene R Bleecker, Michel Laviolette, David Bernstein, Craig LaForce, Lyndon Mansfield, Peter Barker, Yanping Wu, Maria Jison, Mitchell Goldman
BACKGROUND: Benralizumab is a humanised, anti-interleukin 5 receptor α monoclonal antibody that directly and rapidly depletes eosinophils, reduces asthma exacerbations, and improves lung function for patients with severe eosinophilic asthma. The objective of this trial was to assess the safety and efficacy of benralizumab for patients with mild to moderate, persistent asthma. METHODS: In this randomised, double-blind, placebo-controlled, phase 3 trial, we recruited patients aged 18-75 years, weighing at least 40 kg, and with a postbronchodilator reversibility in forced expiratory volume in 1 s (FEV1) of at least 12% at screening, from 52 clinical research centres in six countries...
May 22, 2017: Lancet Respiratory Medicine
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