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Asthma therapy

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https://www.readbyqxmd.com/read/28645995/mepolizumab-for-the-treatment-of-severe-eosinophilic-asthma
#1
REVIEW
Mara N Poulakos, Shawna M Cargill, Melissa F Waineo, Allen L Wolford
PURPOSE: Published data on the pharmacology, pharmacokinetics and pharmacodynamics, and clinical efficacy and safety of the interleukin-5 antagonist mepolizumab are reviewed. SUMMARY: Asthma of the eosinophilic phenotype is characterized by persistent eosinophilic airway inflammation promoted primarily by T-helper type 2 cytokines, the key regulator of eosinophils. Patients with severe eosinophilic asthma are burdened by the need to administer high doses of corticosteroids to help manage their symptoms...
July 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28642859/exercise-induced-bronchospasm-and-allergy
#2
REVIEW
Serena Caggiano, Renato Cutrera, Antonio Di Marco, Attilio Turchetta
Sport is an essential part of childhood, with precious and acknowledged positive health effects but the impact of exercise-induced bronchoconstriction (EIB) significantly reduces participation in physical activity. It is important to recognize EIB, differentiating EIB with or without asthma if the transient narrowing of the airways after exercise is associated with asthmatic symptoms or not, in the way to select the most appropriate treatment among the many treatment options available today. Therapy is prescribed based on symptoms severity but diagnosis of EIB is established by changes in lung function provoked by exercise evaluating by direct and indirect tests...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28642115/anti-tnf%C3%AE-therapy-in-inflammatory-lung-diseases-bn
#3
REVIEW
Rama Malaviya, Jeffrey D Laskin, Debra L Laskin
Increased levels of tumor necrosis factor (TNF) α have been linked to a number of pulmonary inflammatory diseases including asthma, chronic obstructive pulmonary disease (COPD), acute lung injury (ALI)/acute respiratory distress syndrome (ARDS), sarcoidosis, and interstitial pulmonary fibrosis (IPF). TNFα plays multiple roles in disease pathology by inducing an accumulation of inflammatory cells, stimulating the generation of inflammatory mediators, and causing oxidative and nitrosative stress, airway hyperresponsiveness and tissue remodeling...
June 19, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28641517/the-case-for-cannabinoid-cb1-receptors-as-a-target-for-bronchodilator-therapy-for-%C3%AE-agonist-resistant-asthma
#4
John Ashton, Robert J Hancox
Although b2-receceptor agonists are powerful bronchodilators and are at the forefront of asthma symptom relief, patients who use them frequently develop partial resistance to them. This can be a particularly serious problem during severe attacks, where high dose b2-agonist treatment is the front line therapy. Alternative bronchodilators are urgently needed. In this article we review the evidence for the bronchodilator effects of the cannabinoid CB1 receptor tetrahydrocannabinol (THC) and suggest that the mechanism of action for these effects are sufficiently independent of the mechanisms of standard bronchodilators to warrant clinical investigation...
June 15, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28639121/montelukast-use-a-19-year-nationwide-drug-utilisation-study
#5
Daniel Pilsgaard Henriksen, Jesper Rømhild Davidsen, Christian B Laursen, Anders Christiansen, Per Damkier, Jesper Hallas, Anton Pottegård
PURPOSE: Montelukast is a leukotriene receptor antagonist used in asthma and rhinitis treatment. Despite being marketed nearly two decades ago, little is known about its utilisation pattern. METHODS: Using the Danish National Prescription Registry, we identified subjects filling a montelukast prescription between 1998 and 2017. Using descriptive statistics, we reported the development in incidence, and prevalence, as well as a measure of treatment duration, and concomitant use of asthma- or anti-allergic therapy...
June 22, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28636457/notch-signaling-in-lung-diseases
#6
Jiehan Jiang, Kui Xiao, Ping Chen
NOTCH is a fundamental signaling system that regulates normal embryonic development and tissue homeostasis in adult life. NOTCH receptor is a single-pass transmembrane protein normally triggered via direct cell-to-cell contact, in which NOTCH ligands bind the extracellular domain of the receptor, inducing γ-secretase cleavage and release of intracellular domain. The intracellular domain binds to the transcriptional effector RBPJκ to activate transcription of target genes that regulate cell differentiation, patterning, and morphogenesis during embryonic development and adult life...
June 21, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28635907/-the-problem-of-obstructive-sleep-apnea-syndrome-in-asthmatic-patients
#7
E G Sheludko, D E Naumov, Yu M Perelman, V P Kolosov
Asthma and obstructive sleep apnea syndrome (OSAS) are one of the most common chronic respiratory diseases. These have common risk factors that include obesity, gastroesophageal reflux disease (GERD) and impaired nasal breathing (allergic rhinitis, sinusitis). At the same time, experimental evidence demonstrates common pathophysiological mechanisms of these diseases, such as involvement in the process of the respiratory tract, a systemic inflammatory response, and implementation of neuromechanical reflexes...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28635659/divergent-how-ige-axis-contributes-to-the-continuum-of-allergic-asthma-and-anti-ige-therapies
#8
REVIEW
Óscar Palomares, Silvia Sánchez-Ramón, Ignacio Dávila, Luis Prieto, Luis Pérez de Llano, Marta Lleonart, Christian Domingo, Antonio Nieto
Asthma is an airway disease characterised by chronic inflammation with intermittent or permanent symptoms including wheezing, shortness of breath, chest tightness, and cough, which vary in terms of their occurrence, frequency, and intensity. The most common associated feature in the airways of patients with asthma is airway inflammation. In recent decades, efforts have been made to characterise the heterogeneous clinical nature of asthma. The interest in improving the definitions of asthma phenotypes and endotypes is growing, although these classifications do not always correlate with prognosis nor are always appropriate therapeutic approaches...
June 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28633665/optimizing-bronchodilation-in-the-prevention-of-copd-exacerbations
#9
REVIEW
Marc Miravitlles, Antonio Anzueto, José R Jardim
The natural disease course of chronic obstructive pulmonary disease (COPD) is often punctuated by exacerbations: acute events of symptom worsening associated with significant morbidity and healthcare resource utilization; reduced quality of life; and increased risk of hospitalization and death. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) recommend that patients at risk of exacerbations (GOLD Groups C and D) receive a long-acting muscarinic antagonist (LAMA) or a long-acting β2-agonist (LABA)/LAMA combination, respectively, as preferred initial treatments...
June 20, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28626990/exhaled-breath-profiles-in-the-monitoring-of-loss-of-control-and-clinical-recovery-in-asthma
#10
Paul Brinkman, Marianne A van de Pol, Marije G Gerritsen, Lieuwe D Bos, Tamara Dekker, Barbara S Smids, Anirban Sinha, Christof J Majoor, Marlous M Sneeboer, Hugo H Knobel, Teunis J Vink, Frans H de Jongh, René Lutter, Peter J Sterk, Niki Fens
BACKGROUND: Asthma is a chronic inflammatory airway disease, associated with episodes of exacerbations. Therapy with inhaled corticosteroids (ICS) targets airway inflammation, which aims to maintain and restore asthma control. Clinical features are only modestly associated with airways inflammation. Therefore, we hypothesized that exhaled volatile metabolites identify longitudinal changes between clinically stable episodes and loss of asthma control. OBJECTIVES: To determine whether exhaled volatile organic compounds (VOCs) as measured by gas-chromatography / mass-spectrometry (GC/MS) and electronic nose (eNose) technology discriminate between clinically stable and unstable episodes of asthma...
June 19, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28626510/multispecialty-rating-of-evidence-based-conditions-for-intravenous-immunoglobulin-therapy-using-a-3-axis-prioritization-algorithm
#11
Jordan S Orange, Matt Johnson, Barb Lennert, Katarzyna Shields, Michael Eaddy
BACKGROUND: A 3-axis prioritization algorithm was proposed and was evaluated in a US multispecialist pilot study to obtain uniform consensus regarding effective practices for the use of intravenous immunoglobulin (IVIG) therapy. OBJECTIVE: The primary objective was to use consensus-building methodologies to rate disease states for IVIG utilization while considering disease severity and the efficacy of alternative therapeutic options to IVIG from the perspective of US multispecialists...
May 2017: American Health & Drug Benefits
https://www.readbyqxmd.com/read/28625914/prioritizing-disease-causing-microbes-based-on-random-walking-on-the-heterogeneous-network
#12
Xianjun Shen, Yao Chen, Xingpeng Jiang, Xiaohua Hu, Tingting He, Jincai Yang
As we all know, the microbiota show remarkable variability within individuals. At the same time, those microorganisms living in the human body play a very important role in our health and disease, so the identification of the relationships between microbes and diseases will contribute to better understanding of microbes interactions, mechanism of functions. However, the microbial data which are obtained through the related technical sequencing is too much, but the known associations between the diseases and microbes are very less...
June 15, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28624607/obese-asthmatics-have-decreased-surfactant-protein-a-levels-mechanisms-and-implications
#13
Njira Lugogo, Dave Francisco, Kenneth J Addison, Akarsh Manne, William Pederson, Jennifer L Ingram, Cynthia L Green, Benjamin T Suratt, James J Lee, Mary E Sunday, Monica Kraft, Julie G Ledford
BACKGROUND: Eosinophils are prominent in some individuals with asthma and are elevated in the submucosa in a subgroup of obese asthmatics. Surfactant protein-A (SP-A) modulates host responses to infectious and environmental insults. OBJECTIVE: To determine if SP-A levels are altered in obese asthma patients compared to a control group and to determine the implications of these alterations in SP-A levels in asthma. METHODS: Bronchoalveolar lavage fluid from 23 lean, 12 overweight and 20 obese subjects were examined for SP-A...
June 14, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28624362/pulvis-fellis-suis-extract-attenuates-ovalbumin-induced-airway-inflammation-in-murine-model-of-asthma
#14
Jiao He, Le Lv, Ziye Wang, Chuanchuan Huo, Zongwei Zheng, Bing Yin, Peizhi Jiang, Yang Yang, Jing Li, Yuan Gao, Jing Xue
ETHNOPHARMACOLOGICAL RELEVANCE: Pulvis Fellis Suis (PFS), named with "Zhu Danfen" in China, has been extensively used for the therapy of enteritis, acute pharyngitis, whooping cough and asthma in folk medicine. Although PFS shows anti-inflammatory activities, its effect on airway inflammation in asthma has not been studied. AIM OF THE STUDY: To explore the protective effect of PFS ethanol extract against airway inflammation in asthmatic mice. MATERIALS AND METHODS: Allergic asthma in mice was sensitized and challenged by OVA...
June 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28622052/biologic-treatment-eligibility-for-real-world-patients-with-severe-asthma-the-ideal-study
#15
Frank C Albers, Hana Müllerová, Necdet B Gunsoy, Ji-Yeon Shin, Linda M Nelsen, Eric S Bradford, Sarah M Cockle, Robert Y Suruki
OBJECTIVES: Severe asthma comprises several distinct phenotypes. Consequently, patients with severe asthma can be eligible for more than one biologic treatment targeting Th2 inflammation, such as anti-interleukin (IL)-5 and anti-immunoglobulin (Ig) E. The objective of this study was to describe treatment eligibility and overlap in treatment eligibility for mepolizumab (anti-IL-5), omalizumab (anti-IgE) and reslizumab (anti-IL-5) in patients with severe asthma, who were recruited from clinical practice...
June 16, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28619722/corticosteroid-therapy-during-acute-bronchiolitis-in-patients-who-later-develop-asthma
#16
Steven L Shein, Alexandre T Rotta, Richard Speicher, Katherine N Slain, Benjamin Gaston
BACKGROUND AND OBJECTIVE: Meta-analyses show that corticosteroids are not effective in patients with bronchiolitis. However, risk factors for asthma such as eczema or familial atopy prompt some practitioners to prescribe corticosteroids for bronchiolitis. We assessed if corticosteroid prescription is associated with shorter hospitalization for bronchiolitis among patients who later develop asthma. METHODS: The Pediatric Health Information System database was interrogated for patients with bronchiolitis aged <2 years hospitalized between 2006 and 2015...
June 15, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28616286/severe-and-uncontrolled-asthma-in-china-a-cross-sectional-survey-from-the-australasian-severe-asthma-network
#17
Gang Wang, Fang Wang, Peter G Gibson, Michael Guo, Wei-Jie Zhang, Peng Gao, Hong-Ping Zhang, Erin S Harvey, Hui Li, Jie Zhang
BACKGROUND: Severe asthma is largely unexplored in the Chinese population. Patients with asthma underwent systematic evaluation, by investigating the characteristics of uncontrolled asthma and of asthma treated with three different controller therapies. METHODS: This multi-centre, real-world study was conducted from March 2014 to September 2015. Adults with stable asthma underwent assessment of medication use, asthma control, quality of life, psychological symptoms, work productivity and activity impairment, bronchodilator response and sputum induction...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28610668/evaluation-of-the-psychometric-properties-of-the-st-george-s-respiratory-questionnaire-in-patients-with-severe-asthma
#18
Linda M Nelsen, Margaret Vernon, Hector Ortega, Sarah M Cockle, Steven W Yancey, Guy Brusselle, Frank C Albers, Paul W Jones
PURPOSE: Limited data exist on the quantitative validity of the St George's Respiratory Questionnaire (SGRQ) in asthma populations. This study evaluated the psychometric properties of the SGRQ in patients with severe asthma. METHODS: This was a post-hoc analysis of pooled data from MENSA (N = 576; NCT01691508) and SIRIUS (N = 135; NCT01691521), two randomized, placebo controlled trials of mepolizumab in patients with severe asthma. Patients completed the SGRQ at Baseline and Exit (MENSA Week 32; SIRIUS Week 24)...
July 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28610667/why-choose-tiotropium-for-my-patient-a-comprehensive-review-of-actions-and-outcomes-versus-other-bronchodilators
#19
REVIEW
David M Halpin, Alan G Kaplan, Richard K Russell
PURPOSE: Chronic obstructive pulmonary disease (COPD) and asthma are leading causes of morbidity and mortality. This narrative review provides an appraisal of the pharmacological and clinical characteristics of tiotropium in COPD and asthma, and examines how these compare with other long-acting bronchodilators. The evidence base is placed into context by relating it to factors affecting clinicians' choice of therapy. MAIN FINDINGS: Desirable attributes of a long-acting muscarinic antagonist (LAMA) maintenance therapy include effective pharmacological bronchodilation, improved lung function, exacerbation efficacy, and positive effects on symptom control, exercise capacity and quality of life across a broad patient population...
July 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28609599/assessment-and-management-of-asthma-and-chronic-obstructive-pulmonary-disease-in-australian-general-practice
#20
Helen K Reddel, Lisa Valenti, Kylie L Easton, Julie Gordon, Clare Bayram, Graeme C Miller
BACKGROUND: Dispensing data suggest potential issues with the quality use of medicines for airways disease. OBJECTIVE: The objective of this article was to describe the management of asthma and chronic obstructive pulmonary disease (COPD) in general practice, and investigate the appropriateness of prescribing. METHODS: The method used for this study consisted of a national cross‑sectional survey of 91 Australian general practitioners (GPs) participating in the Bettering the Evaluation and Care of Health (BEACH) program...
June 2017: Australian Family Physician
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