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https://www.readbyqxmd.com/read/28322599/dissolvit-an-in-vitro-method-for-simulating-the-dissolution-and-absorption-of-inhaled-dry-powder-drugs-in-the-lungs
#1
Per Gerde, Maria Malmlöf, Lina Havsborn, Carl-Olof Sjöberg, Pär Ewing, Stefan Eirefelt, Katarina Ekelund
The main purpose of this work was to develop an in vitro method for simulating the dissolution and absorption of inhaled dry powder drugs that also mimics systemic pharmacokinetic data. A second purpose was to evaluate this method. DissolvIt(®) was developed as a simulation of the air-blood barrier of the upper airways, constituting: "airborne" particles deposited on a glass cover slip, a mucus simulant, a polycarbonate (basal) membrane, and a pumped albumin buffer simulating the pulmonary blood flow. The PreciseInhale(®) exposure system was used to aerosolize and deposit test formulations onto cover slips...
February 2017: Assay and Drug Development Technologies
https://www.readbyqxmd.com/read/28278391/blood-eosinophils-and-response-to-maintenance-copd-treatment-data-from-the-flame-trial
#2
Nicolas Roche, Kenneth R Chapman, Claus F Vogelmeier, Felix J F Herth, Chau Thach, Robert Fogel, Petter Olsson, Francesco Patalano, Donald Banerji, Jadwiga A Wedzicha
RATIONALE: Post-hoc analyses suggest that blood eosinophils have potential as a predictive biomarker of inhaled corticosteroid efficacy in the management of chronic obstructive pulmonary disease. OBJECTIVES: We prospectively investigated the value of blood eosinophils as a predictor of responsiveness to an inhaled corticosteroid/long-acting β2-agonist combination versus a long-acting β2-agonist/long-acting muscarinic antagonist combination for exacerbation prevention...
March 9, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28276739/the-inca-tm-inhaler-compliance-assessment-tm-a-comparison-with-established-measures-of-adherence
#3
Catherine Moran, Frank Doyle, Imran Sulaiman, Kathleen Bennett, Garrett Greene, Gerard J Molloy, Richard B Reilly, Richard W Costello, Lisa Mellon
OBJECTIVE: To compare the Inhaler Compliance Assessment(TM) (INCA(TM)), a novel audio-recording device objectively measuring timing and proficiency of inhaler use, against established adherence measures, and explore its discriminant and predictive validity. DESIGN: Prospective observational study; 184 chronic obstructive pulmonary disease (COPD) patients used an INCA(TM)-enabled salmeterol/fluticasone inhaler for one-month post-hospital discharge. MAIN OUTCOME MEASURES: INCA(TM) (Attempted, Attempted Interval, Actual) adherence correlated with Doses Used Rate, self-reported adherence and prescription refill for concurrent validity...
February 28, 2017: Psychology & Health
https://www.readbyqxmd.com/read/28275486/comparison-of-fluticasone-propionate-with-budesonide-administered-via-nebulizer-a-randomized-controlled-trial-in-patients-with-severe-persistent-asthma
#4
Jiangtao Lin, Ping Chen, Chuntao Liu, Jian Kang, Wei Xiao, Zhengxian Chen, Huaping Tang, Xin Du, Cindy Liu, Linda Luo
BACKGROUND: This study compared the efficacy and safety of fluticasone propionate (FP) inhalation n solution with budesonide (BUD) suspension for inhalation administered via nebulizer, in Chinese adult patients with severe, persistent asthma. METHODS: This was a multicenter, randomized, active-controlled, single-blind, parallel-group study, conducted at 26 clinical sites in China. Participants were randomized 1:1 to FP nebules 1 mg twice daily or BUD 2 mg twice daily via nebulizer for 12 weeks...
February 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28272175/nebulized-fluticasone-for-preventing-postextubation-stridor-in-intubated-children-a-randomized-double-blind-placebo-controlled-trial
#5
Pharsai Prasertsan, Duangjai Nakju, Rojjanee Lertbunrian, Marut Chantra, Nattachai Anantasit
OBJECTIVES: To evaluate the efficacy of nebulized fluticasone propionate in the prevention of postextubation stridor in children. DESIGN: Double-blind, placebo-controlled randomized clinical trial. SETTING: PICU in a tertiary referral center. PATIENTS: Children 1 month to 15 years old who underwent mechanical ventilation. INTERVENTIONS: Patients were randomly assigned into two groups after stratification based on age group receiving nebulized fluticasone 1,000 µg or normal saline solution, immediately after extubation...
March 7, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28262319/initiation-of-an-inhaled-corticosteroid-during-a-pediatric-emergency-visit-for-asthma-a%C3%A2-randomized-clinical-trial
#6
Esther M Sampayo, Maryann Mazer-Amirshahi, Elizabeth A Camp, Joseph J Zorc
STUDY OBJECTIVE: We determine whether prescribing an inhaled corticosteroid during a pediatric emergency department (ED) asthma visit increases ongoing use and improves outcomes. METHODS: This randomized trial enrolled children aged 1 to 18 years, with persistent asthma not previously prescribed a controller medication, and who were being discharged after ED asthma treatment. Intervention subjects received a 1-month prescription for an inhaled corticosteroid (fluticasone or budesonide by age) in addition to standard asthma therapy and instructions given to all patients...
February 24, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28261934/steroid-induced-impairment-of-glucose-tolerance-prevalence-among-pediatric-patients-on-long-term-steroid-use-in-nigeria
#7
U N Chikani, M U Ibekwe, T Oguonu, L Mungai, A I Bisi-Onyemaechi, O M Ugege, I F Ogbonna, Carine de Beaufort
INTRODUCTION: Glucocorticoid (referred to from here on as simply steroid) is used for effective treatment of various inflammatory disorders since its discovery in 1940s. However, these useful drugs cause important side effects, such as impairment of glucose tolerance. We sought to determine the prevalence of steroid-induced impairment of glucose tolerance in pediatric patients on long-term steroid use. MATERIALS AND METHODS: A cross-sectional, descriptive and hospital-based study...
March 6, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28255905/inhaled-corticosteroid-use-and-the-risk-of-pneumonia-and-copd-exacerbations-in-the-uplift-study
#8
Jaymin B Morjaria, Alan Rigby, Alyn H Morice
RATIONALE: Unlike many other COPD studies, the 4-year UPLIFT trial permitted inhaled corticosteroid (ICS) use during run-in and treatment phases. This provided the opportunity to prospectively observe the continuing effects of ICS on respiratory events in closely observed COPD population. OBJECTIVES: We aimed to determine rate and number of episodes of pneumonia and exacerbations of COPD in patients entering the study on no ICS, fluticasone proprionate (FP), and other ICS...
March 3, 2017: Lung
https://www.readbyqxmd.com/read/28220767/asthma-control-in-adult-patients-treated-with-a-combination-of-inhaled-corticosteroids-and-long%C3%A2-acting-%C3%AE-2%C3%A2-agonists-a-prospective-observational-study
#9
Barbara Rogala, Paweł Majak, Joanna Glück, Tomasz Dębowski
INTRODUCTION    Asthma is a highly prevalent disease that often requires maintenance therapy. Combined inhaled corticosteroid (ICS) and long‑acting β2‑agonist (LABA) inhalers are one of the available maintenance treatment options. OBJECTIVES    This prospective observational study aimed to assess asthma control in patients treated with ICS/LABA inhalers and to identify factors related to optimal asthma control. PATIENTS AND METHODS    The study included 5789 asthmatic patients from Poland, treated with one of the following ICS/LABA inhalers at clinically appropriate doses: beclomethasone/formoterol, fluticasone/ salmeterol, or budesonide/formoterol...
January 18, 2017: Pol Arch Intern Med
https://www.readbyqxmd.com/read/28208892/olopatadine-hydrochloride-and-fluticasone-propionate-in-topical-treatment-of-allergic-rhinitis-a-single-blind-randomised-study
#10
Abhay Havle, Vishal Jain, Md Fazal Ahmed, Swapna Shedge, Vivek Dokania, Vikrant Bagwe, Ketan Agarwal
INTRODUCTION: The use of corticosteroids or antihistaminics in treatment of allergic rhinitis is known and practiced since long. The efficacy of topical use of fluticasone propionate and Olopatadine Hydrochloride (HCL) for symptomatic relief of allergic rhinitis has been studied either individually or with other drugs. But very few studies show comparison between these two drugs. AIM: To compare the efficacy of topical use of fluticasone propionate and olopatadine hydrochloride for symptomatic relief of allergic rhinitis...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28191357/metastatic-invasive-lobular-breast-cancer-presenting-clinically-with-esophageal-dysphagia
#11
Lilit Karapetyan, Heather Laird-Fick, Reuben Cuison
Background. Intra-abdominal metastases of invasive lobular breast cancer (ILBC) may be insidious. We report a case of metastatic ILBC that presented with dysphagia within weeks of a negative mammogram and before the development of intra-abdominal symptoms. Case. A 70-year-old female developed esophageal dysphagia. She underwent EGD which showed a short segment of stricture of the distal esophagus without significant mucosal changes. Biopsy was unremarkable and patient underwent lower esophageal sphincter (LES) dilation...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28190974/avoiding-misdiagnosis-in-patients-with-dyspnea-and-wheezing-a-case-report-illustrating-the-clinical-implications-of-fixation-error
#12
Fabiano Di Marco, Giuseppe Francesco Sferrazza Papa, Dejan Radovanovic, Pierachille Santus
BACKGROUND: Bronchial asthma is a heterogeneous respiratory condition which can be mimicked by a wide range of pathologies including upper airways stenosis. The accurate diagnosis of asthma, as with other conditions, may be influenced by fixation errors, which are common in medicine and occur when a physician concentrates on only one element of a clinical case without considering other relevant aspects. Here we report a challenging case characterized by the contemporaneous presence of a common disease, asthma, together with a rare respiratory disease, idiopathic tracheal stenosis...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28186150/glcci1-rs37973-a-potential-genetic-predictor-of-therapeutic-response-to-inhaled-corticosteroids-in-chinese-chronic-obstructive-pulmonary-disease-patients
#13
Yuan Lei, Yiping Gao, Jinkun Chen, Miao Li, Xiaomei Wu, Qin Ning, Jianping Zhao, Weining Xiong, Yongjian Xu, Jungang Xie
Inhaled corticosteroids (ICSs) are widely prescribed in chronic obstructive pulmonary disease (COPD). However, little is known about predictors of ICSs therapeutic response. To investigate whether the variation in glucocorticoid-induced transcript 1 (GLCCI1) rs37973 is associated with ICS efficacy. A total of 204 clinically stable COPD patients were recruited and administered to inhaled fluticasone propionate/salmeterol combination (500/50 ug, twice daily) for 24 weeks. We genotyped the functional rs37973 and mainly assessed its effects on changes in lung function...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28176907/a-randomized-trial-of-once-daily-fluticasone-furoate-vilanterol-or-vilanterol-versus-placebo-to-determine-effects-on-arterial-stiffness-in-copd
#14
Surya P Bhatt, Mark T Dransfield, John R Cockcroft, Jie Wang-Jairaj, Dawn A Midwinter, David B Rubin, Catherine A Scott-Wilson, Courtney Crim
INTRODUCTION: Chronic obstructive pulmonary disease (COPD) is associated with increased cardiovascular morbidity and mortality. Elevated arterial stiffness, measured by aortic pulse wave velocity (aPWV), is a cardiovascular risk surrogate and is potentially modifiable by inhaled corticosteroid/long-acting beta2-agonist combinations in patients with COPD. MATERIALS AND METHODS: The effects of once-daily inhaled fluticasone furoate/vilanterol (FF/VI) 100/25 µg, VI 25 µg, versus placebo on arterial stiffness in patients with COPD and baseline aPWV ≥11...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28176893/indacaterol-glycopyrronium-versus-salmeterol-fluticasone-in-asian-patients-with-copd-at-a-high-risk-of-exacerbations-results-from-the-flame-study
#15
Jadwiga A Wedzicha, Nanshan Zhong, Masakazu Ichinose, Michael Humphries, Robert Fogel, Chau Thach, Francesco Patalano, Donald Banerji
BACKGROUND: The FLAME study demonstrated that indacaterol/glycopyrronium (IND/GLY), the fixed-dose combination of a long-acting β2-agonist (LABA, IND) and a long-acting muscarinic antagonist (LAMA, GLY), was superior to salmeterol/fluticasone combination (SFC) in preventing exacerbations in COPD patients with a high risk of exacerbations. In this study, we report a prespecified analysis of the efficacy and safety of IND/GLY versus SFC in Asian patients from the FLAME study. PATIENTS AND METHODS: Patients from Asian centers with moderate-to-very severe COPD and ≥1 exacerbation in the previous year from the 52-week, randomized FLAME study were included...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28173781/effect-of-inhaled-corticosteroid-particle-size-on-asthma-efficacy-and-safety-outcomes-a-systematic-literature-review-and-meta-analysis
#16
Céline El Baou, Rachael L Di Santostefano, Rafael Alfonso-Cristancho, Elizabeth A Suarez, David Stempel, Mark L Everard, Neil Barnes
BACKGROUND: Inhaled corticosteroids (ICS) are the primary treatment for persistent asthma. Currently available ICS have differing particle size due to both formulation and propellant, and it has been postulated that this may impact patient outcomes. This structured literature review and meta-analysis compared the effect of small and standard particle size ICS on lung function, symptoms, rescue use (when available) and safety in patients with asthma as assessed in head-to-head randomized controlled trials (RCTs)...
February 7, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28167002/intranasal-fluticasone-associated-with-delayed-tympanostomy-tube-placement-in-children-with-eustachian-tube-dysfunction
#17
Matthew G Crowson, Marisa A Ryan, Vaibhav H Ramprasad, Kevin J Choi, Eileen Raynor
OBJECTIVES: Pediatric patient caregivers may prefer to avoid a surgical intervention and request a medical management option for eustachian tube dysfunction (ETD). However, there are limited published data evaluating the efficacy of intranasal fluticasone in the medical management of ETD as an alternative to tympanostomy tube placement. The objectives of this study were to: 1) determine if intranasal fluticasone (INF) prevented tympanostomy tube placement in children with ETD, and 2) describe differences in patient response to INF related to cleft lip and/or palate (CLP) and Down syndrome...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28161921/prevalence-of-steroid-induced-cataract-and-glaucoma-in-chronic-obstructive-pulmonary-disease-patients-attending-a-tertiary-care-center-in-india
#18
Tirupati Nath, Subham Sinha Roy, Himanshu Kumar, Rachit Agrawal, Santosh Kumar, S K Satsangi
PURPOSE: Exposure to corticosteroids is known to be associated with an increased risk of cataract and glaucoma. This study was undertaken to determine the prevalence of steroid-induced cataract and glaucoma in patients with chronic obstructive pulmonary disease (COPD) and to assess a dose-response relationship between them. DESIGN: This was a prospective observational study. METHODS: We identified all COPD patients aged 50 years or older, with minimum steroid exposure of 4 months and on inhaled corticosteroids from March 2014 to March 2015...
January 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28159683/measurement-of-the-raman-spectra-and-hygroscopicity-of-four-pharmaceutical-aerosols-as-they-travel-from-pressurised-metered-dose-inhalers-pmdi-to-a-model-lung
#19
N Davidson, H-J Tong, M Kalberer, P C Seville, A D Ward, M K Kuimova, F D Pope
Particle inhalation is an effective and rapid delivery method for a variety of pharmaceuticals, particularly bronchodilation drugs used for treating asthma and COPD. Conditions of relative humidity and temperature inside the lungs are generally very different from the outside ambient air, with the lung typically being warmer and more humid. Changes in humidity, from inhaler to lung, can cause hygroscopic phase transitions and particle growth. Increasing particle size and mass can negatively affect particle deposition within the lung leading to inefficient treatment, while deliquescence prior to impaction is liable to accelerate drug uptake...
January 31, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28141723/anxiety-associated-with-asthma-exacerbations-and-overuse-of-medication-the-role-of-cultural-competency
#20
Yousuke T Horikawa, Tina Y Udaka, Janet K Crow, John I Takayama, Martin T Stein
Toshi, a 14-year-old Japanese boy, had uncontrolled asthma after relocating from Japan with his family 1 year ago. In Japan, he was diagnosed with moderate, persistent asthma, which was controlled with salmeterol and albuterol on an as needed basis. Since moving to the United States, Toshi complained of frequent dyspnea.Initially, he was seen by a Japanese physician who prescribed 200 mg of fluticasone 3 times a day and albuterol nebulization as needed. When Toshi came to the Pediatric Primary Care Clinic, he reported using his nebulizer up to 25 times daily...
February 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
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