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Pulmonary Pharmacology & Therapeutics

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https://www.readbyqxmd.com/read/28219728/do-cystic-fibrosis-patients-on-azithromycin-need-electrocardiogram-monitoring
#1
LETTER
Rachel Sharpton, Mario Cazzola
No abstract text is available yet for this article.
February 17, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28216389/mastery-of-pmdi-technique-asthma-control-and-quality-of-life-of-children-with-asthma-a-randomized-controlled-study-comparing-two-inhaler-technique-training-approaches
#2
Wesam G Ammari, Nussaibah Al-Hyari, Nathir Obeidat, Mona Khater, Amal Sabouba, Mark Sanders
OBJECTIVE: Verbal counselling (VC) is the clinical standard for training patients on correct inhaler use. Patients fail to recall their VC with time. Ethical approval was obtained to compare the pressurized metered dose inhaler (pMDI) VC with Trainhaler (TH), a novel pMDI inhalation flow and technique training device, in children with asthma. METHODS: At visit 1, 7-17 year-old children with a pMDI hand-lung coordination problem including a fast peak inhalation flow (PIF) through pMDI >60 L/min were randomized into either VC group that received verbal pMDI training; or into TH group that were trained on- and given TH to practice at home...
February 16, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28216388/advances-in-mechanisms-and-management-of-chronic-cough-the-ninth-london-international-cough-symposium-2016
#3
REVIEW
Kian Fan Chung
At the Ninth London International Cough Symposium held in June 2016, advances in chronic cough were presented. Chronic cough has been labelled as a cough hypersensitivity syndrome (CHS) with neuroinflammatory mechanisms likely to be the underlying mechanisms. The concept is that there is a stage of peripheral sensitisation induced by inflammatory factors setting up the scene for a central component that can be visualised by functional magnetic resonance imaging. There has also been progress in assessing CHS patients in the clinic in terms of measuring cough, with an increasing interest in assessing different types of cough associated with respiratory diseases such as asthma, COPD, bronchiectasis and pulmonary fibrosis...
February 16, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28185897/effect-of-tobacco-and-electronic-cigarette-use-on-cough-reflex-sensitivity
#4
REVIEW
Peter V Dicpinigaitis
Multiple previous studies have shown that otherwise healthy tobacco cigarette smokers have suppressed cough reflex sensitivity compared with nonsmokers and furthermore, that smoking cessation, even after years of tobacco use, leads to prompt enhancement of cough reflex sensitivity. Thus, cough reflex sensitivity is demonstrated to be a dynamic phenomenon, responding to the presence or absence of influences such as tobacco smoke. These studies, however, were unable to identify whether it was the influence of nicotine, or one or more of the numerous components of tobacco cigarette smoke, that were responsible for this effect...
February 6, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28159512/effect-of-calcium-channel-blockers-evaluated-by-cardiopulmonary-exercise-testing-in-idiopathic-pulmonary-arterial-hypertension-responding-to-acute-pulmonary-vasoreactivity-testing
#5
Yi Tang, Lei Yao, Zhihong Liu, Xiuping Ma, Qin Luo, Zhihui Zhao, Zhiwei Huang, Laura Tu, Liu Gao, Qi Jin, Xinhai Ni, Changming Xiong
BACKGROUND: The baseline exercise capacity evaluated by cardiopulmonary exercise testing (CPET) and the change after administration of calcium channel blockers (CCB) therapy in patients with vasodilator-responsive idiopathic pulmonary arterial hypertension (VR-IPAH)are unknown. METHODS: 25 patients with newly diagnosed VR-IPAH from 1 January 2012 to 16 November 2015 were prospectively enrolled, and 28 age, sex and pulmonary vascular resistance matched newly diagnosed patients with vasodilator-nonresponsive idiopathic pulmonary arterial hypertension (VNR-IPAH) were enrolled...
January 31, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28159511/reslizumab-in-patients-with-inadequately-controlled-late-onset-asthma-and-elevated-blood-eosinophils
#6
Guy Brusselle, Matthew Germinaro, Sivan Weiss, James Zangrilli
INTRODUCTION: Asthma with adult onset and elevated blood eosinophils is a difficult-to-treat subgroup. This post hoc analysis evaluated reslizumab, an anti-interleukin-5 monoclonal antibody, in patients with late-onset eosinophilic asthma. METHODS: Data from two 52-week placebo-controlled trials of reslizumab IV 3 mg/kg every 4 weeks in patients aged 12-75 years with inadequately controlled asthma, ≥1 asthma exacerbation within 12 months, and screening blood eosinophils ≥400/μL (NCT01287039/NCT01285323) were stratified by age of asthma onset (<40 or ≥40 years)...
January 31, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28137663/central-mechanisms-of-airway-sensation-and-cough-hypersensitivity
#7
REVIEW
Alexandria K Driessen, Alice E McGovern, Monica Narula, Seung-Kwon Yang, Jennifer A Keller, Michael J Farrell, Stuart B Mazzone
The airway sensory nervous system is composed of two anatomically distinct processing pathways that allow for the production of respiratory reflexes and voluntary evoked respiratory behaviours in response to sensing an airway irritation. Disordered sensory processing is a hallmark feature of many pulmonary disorders and results in the development of cough hypersensitivity syndrome, characterised by chronic cough and a persistent urge-to-cough in affected individuals. However, the mechanism underpinning how the airway sensory circuits become disordered, especially at the level of the central nervous system, is not well understood...
January 27, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28115224/the-burden-of-obesity-in-asthma-and-copd-role-of-adiponectin
#8
REVIEW
Andrea Bianco, Ersilia Nigro, Maria Ludovica Monaco, Maria Gabriella Matera, Olga Scudiero, Gennaro Mazzarella, Aurora Daniele
The influence of obesity on development, severity and prognosis of both asthma and COPD is attracting growing interest. The impact of obesity on the respiratory system ranges from structural modifications (decline of total lung capacity) to humoral alterations. Adipose tissue strongly contributes to the establishment of an inflammatory state being an important source of adipokines. Amongst adipokines, adiponectin is an important component of organ cross talk with adipose tissue exerting protective effects on a variety of pathophysiological processes...
January 20, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28115223/assessment-of-the-efficacy-and-safety-of-fluticasone-propionate-and-salmeterol-delivered-as-a-combination-dry-powder-via-a-capsule-based-inhaler-versus-a-multi-dose-inhaler-in-patients-with-chronic-obstructive-pulmonary-disease
#9
Robert Chan, Ana R Sousa, Peter Hynds, Farshid Homayoun-Valiani, Dawn Edwards, Maggie Tabberer
BACKGROUND: This study tested the clinical non-inferiority of the fluticasone propionate/salmeterol combination 50/250 μg (FSC) Rotacaps(®)/Rotahaler(®) system, a single unit dose inhaler, with the multi-dose FSC Diskus(®) inhaler in adults with chronic obstructive pulmonary disease (COPD). METHODS: This multi-centre, randomised, double-blind, double-dummy, two-way cross-over study compared 12 weeks' treatment of FSC administered twice daily using Rotacaps/Rotahaler or Diskus...
January 20, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28108402/using-pharmacokinetic-modelling-to-improve-prescribing-practices-of-intravenous-aminophylline-in-childhood-asthma-exacerbations
#10
Lewis Cooney, Antonia McBride, Andrew Lilley, Ian Sinha, Trevor N Johnson, Daniel B Hawcutt
OBJECTIVE: To evaluate physiologically based pharmacokinetic modelling (PBPK) software in paediatric asthma patients using intravenous aminophylline. METHODS: Prospective clinical audit of children receiving iv aminophylline (July 2014 to June 2016), and in-silico modelling using Simcyp software. RESULTS: Thirty-eight admissions (25 children) were included. Children with aminophylline levels ≥10 mg/l had equivalent clinical outcomes compared to those <10 mg/L, and adverse effects occurred in 57%...
January 17, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28093225/il-4r-suppresses-airway-inflammation-in-bronchial-asthma-by-inhibiting-the-il-4-stat6-pathway
#11
Ying Liu, Hui Zhang, Ran Ni, Wen-Qing Jia, Yuan-Yuan Wang
OBJECTIVE: This study aims to explore the mechanisms of how IL-4R suppresses airway inflammation in bronchial asthma by inhibiting the IL-4/STAT6 pathway. METHODS: A total of 27 BALB/c male mice were selected and divided into control, asthma and IL-4R groups. Ovalbumin-induced mouse asthma model was established. Maximal pulmonary resistance was recorded. Hematoxylin and eosin (HE) and periodic acid Schiff (PAS) staining were conducted to observe the pathological changes in lung tissue...
January 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28093224/beta-2-adrenoreceptor-polymorphism-at-position-16-determines-the-clinical-severity-of-chronic-obstructive-pulmonary-disease
#12
Justyna Emeryk-Maksymiuk, Andrzej Emeryk, Paweł Krawczyk, Kamila Wojas-Krawczyk, Janusz Milanowski
The Arg/Arg homozygosity at codon 16 of the beta-2-adrenoreceptor (ADRB2) gene has been thought to predispose asthma patients to a poorer therapeutic response to beta-2-mimetics, or to worse control of the disease. In contrast, the results of the studies analysing the effect of ADRB2 polymorphisms on the response to beta-2-adrenoreceptor agonists in chronic obstructive pulmonary disease (COPD) patients are sparse and inconclusive. The aim of this research was to verify if p.Arg16Gly (c.46A > G) and p.Gly27Glu (c...
January 13, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28087469/tofacitinib-ameliorates-inflammation-in-a-rat-model-of-airway-neutrophilia-induced-by-inhaled-lps
#13
Elena Calama, Isabel Ramis, Anna Domènech, Cristina Carreño, Jorge De Alba, Neus Prats, Montserrat Miralpeix
BACKGROUND AND PURPOSE: The Janus Kinase (JAK) family mediates the cytokine receptor-induced signalling pathways involved in inflammatory processes. The activation of the signal transducers and activators of transcription (STATs) by JAK kinases is a key point in these pathways. Four JAK proteins, JAK1, JAK2, JAK3 and tyrosine kinase 2 (Tyk2) associate with the intracellular domains of surface cytokine receptors are phosphorylating STATs and modulating gene expression. The aim of this study was to explore the role of JAK inhibition in an acute model of inhaled lipopolysaccharide (LPS)-induced airway inflammation in rats through evaluating the effects of tofacitinib, a marketed pan-JAK inhibitor...
January 10, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28089891/which-treatment-for-obstructive-airway-disease-the-inhaled-bronchodilators
#14
LETTER
Fabio Perrotta, Filomena Mazzeo, Francesco Saverio Cerqua
No abstract text is available yet for this article.
January 9, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28065679/acute-cardiovascular-safety-of-two-formulations-of-beclometasone-dipropionate-formoterol-fumarate-in-copd-patients-a-single-dose-randomised-placebo-controlled-crossover-study
#15
Dave Singh, Giorgia Ciurlia, Annalisa Piccinno, Annamaria Muraro, Maria Bocchi, Mario Scuri
INTRODUCTION: An extrafine combination of beclometasone dipropionate (BDP) and formoterol fumarate (FF) via a pressurised metered-dose inhaler (pMDI) has been commercially available for some years for the management of asthma and chronic obstructive pulmonary disease (COPD). A dry powder inhaler (DPI) formulation of extrafine BDP/FF is now also available. This study evaluated the cardiovascular safety of BDP/FF DPI in comparison to BDP/FF pMDI and placebo. METHODS: Single-dose, partially-blind, randomised, placebo-controlled, 5-period crossover study...
February 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28062322/mir-23b-controls-tgf-%C3%AE-1-induced-airway-smooth-muscle-cell-proliferation-via-direct-targeting-of-smad3
#16
Ming Chen, Jianting Shi, Wei Zhang, Linjie Huang, Xiaoling Lin, Zhiqiang Lv, Wei Zhang, Ruiyun Liang, Shanping Jiang
BACKGROUND: MicroRNAs are small yet versatile gene tuners that regulate a variety of cellular processes, including cell growth and proliferation. Here we report that miR-23b inhibited airway smooth muscle cells (ASMCs) proliferation through directly targeting of Smad3. METHODS: We obtained ASMCs by laser capture microdissection of normal and asthmatic mice lung tissues. Mice ASMCs were cultured and induced by TGF-β1. The implication between TGF-β1 and miR-23b in ASMCs were detected by RT-PCR...
February 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28039077/pharmacokinetics-of-tiotropium-administered-by-respimat-%C3%A2-in-asthma-patients-analysis-of-pooled-data-from-phase-ii-and-iii-clinical-trials
#17
Ashish Sharma, Huib A M Kerstjens, René Aalbers, Petra Moroni-Zentgraf, Benjamin Weber, Ronald Dahl
Tiotropium is a long-acting inhaled antimuscarinic bronchodilator that has recently received marketing authorization for the indication of asthma with dose delivery via the Respimat(®) inhaler, in addition to its widely established role in the management of chronic obstructive pulmonary disease (COPD). This report presents a combined analysis of tiotropium plasma and urine pharmacokinetics at steady state from 8 Phase II/III clinical trials in asthma and delineates the effects of patient characteristics on systemic exposure based on the parameters fe0-24,ss (fraction of dose excreted unchanged in urine over 24 h post-dose at steady-state) and dose-normalized AUCtau,ss and Cmax,ss...
February 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27979760/diagnostic-and-prognostic-challenges-in-idiopathic-pulmonary-fibrosis-a-patient-s-q-and-a-approach
#18
REVIEW
Argyris Tzouvelekis, Vasilios Tzilas, Spyridon Papiris, Vassilis Aidinis, Demosthenes Bouros
Idiopathic Pulmonary Fibrosis (IPF) is a chronic, progressive, debilitating disease of unknown etiology that leads to death nearly half of the patients within 3-3.5 years. The past 15 years, the scientific community has made tremendous progress towards standardized diagnostic and prognostic algorithms that led to the generation of the 2011 ATS/ERS/JRS/ALAT guidelines. The latest guidelines provided us with fundamental diagnostic algorithms that set the diagnosis in the majority of cases; however, they leave a significant minority of patients without diagnostic and most importantly, therapeutic umbrella...
February 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27940287/fast-onset-of-action-of-glycopyrronium-compared-with-tiotropium-in-patients-with-moderate-to-severe-copd-a-randomised-multicentre-crossover-trial
#19
Henrik Watz, Claudia Mailänder, Christoph May, Monika Baier, Anne-Marie Kirsten
BACKGROUND: Long-acting bronchodilators, including anticholinergics glycopyrronium and tiotropium, are central to symptomatic management of chronic obstructive pulmonary disease (COPD). In patients with moderate to severe COPD, glycopyrronium has demonstrated comparable efficacy to open-label and single-blinded tiotropium, but with faster onset of bronchodilation. The FAST study assessed the efficacy of glycopyrronium compared with tiotropium in serial spirometry and body plethysmography assessments to further characterize the earlier onset of action associated with glycopyrronium...
February 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27888045/effects-of-tiotropium-on-lung-function-in-current-smokers-and-never-smokers-with-bronchial-asthma
#20
Makoto Yoshida, Yasuko Kaneko, Akiko Ishimatsu, Masashi Komori, Tomoaki Iwanaga, Hiromasa Inoue
The effects of tiotropium, an inhaled long-acting muscarinic antagonist, on lung function were investigated in current smokers and nonsmokers with asthma treated with inhaled corticosteroids (ICSs) and other asthma controllers: inhaled long-acting β2 agonists, leukotriene receptor antagonists, and/or theophylline. We conducted a double-blind, placebo-controlled study of an inhaled single dose of tiotropium in 9 asthmatics currently smoking and 9 asthmatics who have never smoked in a crossover manner. Lung function was measured before and 1, 3, and 24 h after inhalation of 18 μg of tiotropium or a placebo...
February 2017: Pulmonary Pharmacology & Therapeutics
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