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Montelukast asthma

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https://www.readbyqxmd.com/read/27887950/cyslt2-receptor-activation-is-involved-in-ltc4-induced-lung-air-trapping-in-guinea-pigs
#1
Tomohiko Sekioka, Michiaki Kadode, Yasuo Yonetomi, Akihiro Kamiya, Manabu Fujita, Takeshi Nabe, Kazuhito Kawabata
CysLT1 receptors are known to be involved in the pathogenesis of asthma. However, the functional roles of CysLT2 receptors in this condition have not been determined. The purpose of this study is to develop an experimental model of CysLT2 receptor-mediated LTC4-induced lung air-trapping in guinea pigs and use this model to clarify the mechanism underlying response to such trapping. Because LTC4 is rapidly converted to LTD4 by γ-glutamyltranspeptidase (γ-GTP) under physiological conditions, S-hexyl GSH was used as a γ-GTP inhibitor...
November 22, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27885204/genetic-interactions-between-adrb2-and-ptger4-on-responses-to-salmeterol-or-montelukast-in-japanese-patients-with-mild-persistent-asthma
#2
Hideyasu Yamada, Hironori Masuko, Toshihide Inui, Jun Kanazawa, Yohei Yatagai, Tohru Sakamoto, Hiroaki Iijima, Satoshi Konno, Kaoruko Shimizu, Hironi Makita, Masaharu Nishimura, Fumio Kokubu, Takefumi Saito, Takeo Endo, Hiroki Ninomiya, Norihiro Kaneko, Nobuyuki Hizawa
BACKGROUND: Long-acting β2-agonists (LABA) and leukotriene receptor antagonists (LTRA) are two principal agents that can be added to inhaled corticosteroids (ICS) for patients with asthma that is not adequately controlled by ICS alone. In our previous study, the Gly16Arg genotype of the β2-adrenergic receptor (ADRB2) gene did not influence the differential bronchodilator effect of salmeterol versus montelukast as an add-on therapy to ICS within 16 weeks of follow-up (the J-Blossom study)...
2016: Arerugī, [Allergy]
https://www.readbyqxmd.com/read/27881050/pharmaceutical-rejuvenation-of-age-associated-decline-in-spatial-memory
#3
Andrew R Mendelsohn, James Larrick
Spatial memory and cognition decline during aging. Montelukast, an FDA approved drug for the treatment of asthma can restore spatial memory in old rats to levels similar to those of young animals. Treatment improves three hallmarks of aging in the brain: reducing microglial- mediated neuroinflammation, brain blood barrier permeability and increasing neurogenesis in the hippocampus although not completely to youthful levels.  Other aging-associated parameters, such as reduced synaptic density, are not affected, suggesting that anti-aging therapeutics may be further optimized...
November 23, 2016: Rejuvenation Research
https://www.readbyqxmd.com/read/27857833/design-formulation-and-physicochemical-evaluation-of-montelukast-orally-disintegrating-tablet
#4
Abolfazl Aslani, Maryam Beigi
BACKGROUND: Orally disintegrating tablets (ODTs) are a modern form of tablets that when placed in the oral cavity, disperses rapidly. These tablets have advantages, particularly good applications for children and old patients who have a complication in chewing or swallowing solid dosage forms. The aim of this study was to design, formulate, and evaluate the physicochemical properties of 5 mg montelukast ODTs for the prevention of asthma and seasonal allergies. METHODS: Formulations were prepared with different amounts of super disintegrating agents and effervescent bases as disintegrant agents...
2016: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27826703/leukotriene-receptor-antagonists-and-antiallergy-drugs
#5
Tsutomu Tamada, Masakazu Ichinose
As one of the candidates of the therapeutic strategy for asthma in addition to inhaled corticosteroids (ICS), leukotriene receptor antagonists (LTRAs) are known to be useful for long-term management of asthma patients complicated by allergic rhinitis (AR) or exercise-induced asthma (EIA). Currently available LTRAs are pranlukast hydrate, zafirlukast, and montelukast. These LTRAs have a bronchodilator action and inhibit airway inflammation, resulting in a significant improvement of asthma symptoms, respiratory function, inhalation frequency of as-needed inhaled β2-agonist, airway inflammation, airway hyperresponsiveness, dosage of ICSs, asthma exacerbations, and patients' QOL...
November 9, 2016: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/27817787/-effect-of-montelukast-sodium-intervention-on-airway-remodeling-and-percentage-of-th17-cells-cd4-cd25-regulatory-t-cells-in-asthmatic-mice
#6
Li Li, Chun-Yan Lou, Min Li, Jian-Bo Zhang, Jie Chen
OBJECTIVE: To study the dynamic changes in the percentage of Th17 cells/CD4(+)CD25(+) regulatory T cells after intervention with montelukast sodium, a leukotriene receptor antagonist, in asthmatic mice and the association between them. METHODS: Balb/c mice were randomly divided into blank group, asthma group, and montelukast sodium group. The asthmatic mouse model of airway remodeling was established by sensitization with intraperitoneal injection of chicken ovalbumin (OVA) and aluminum hydroxide suspension and aerosol inhalation of OVA...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27817773/-therapeutic-effect-and-safety-of-montelukast-sodium-combined-with-budesonide-in-children-with-cough-variant-asthma-a-meta-analysis
#7
Yan Wei, Dong-Sheng Li, Jian-Jun Liu, Jing Zhang, Hai-En Zhao
OBJECTIVE: To evaluate the therapeutic effect and safety of montelukast sodium combined with budesonide in children with cough variant asthma. METHODS: The databases CNKI, Wanfang Data, VIP, PubMed, EMbase, and BioMed Central were searched for randomized controlled trials (RCTs) of montelukast sodium combined with budesonide in the treatment of children with cough variant asthma. Data extraction and quality assessment were performed for RCTs which met the inclusion criteria, and RevMan 5...
November 2016: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/27814586/exercise-intolerance-and-exercise-induced-bronchoconstriction-in-children
#8
Predrag B Minic, Aleksandar D Sovtic
Respiratory symptoms at rest or during exercise may restrain the physical capabilities required for normal motor and psychosocial development in children. The most frequent cause of exercise intolerance, apart from poor physical fitness, is exercise-induced bronchoconstriction (EIB), which may occur in some healthy children and in children with asthma. It is proposed that hyperventilation during exercise is associated with drying and cooling of airways, which can trigger a proinflammatory response. Several tests are used to confirm EIB, and the exercise-challenge test is the most common...
January 1, 2017: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/27814453/fluctuation-analysis-of-peak-expiratory-flow-and-its-association-with-treatment-failure-in-asthma
#9
David A Kaminsky, Lucy L Wang, Jason H T Bates, Cindy Thamrin, David M Shade, Anne E Dixon, Robert A Wise, Stephen Peters, Charles G Irvin
RATIONALE: Temporal fluctuations have been demonstrated in lung function and asthma control, but the effects of controller therapy on these fluctuations is unknown. OBJECTIVE: We hypothesized that fluctuations in peak expiratory flow (PEF) are predictive of subsequent treatment failure and may be modified by controller therapy. METHODS: We applied detrended fluctuation analysis to once-daily PEF data from 493 participants in the Leukotriene Modifier Corticosteroid or Corticosteroid-Salmeterol (LOCCS) trial of the American Lung Association Airways Clinical Research Centers...
November 4, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27764975/early-patient-experiences-with-montelukast-orally-disintegrating-tablets-in-japan-a-cross-sectional-survey-of-treatment-satisfaction-in-patients-with-asthma-and-or-allergic-rhinitis
#10
Diane Whalley, Tanaz Petigara, Lawrence Rasouliyan, Keisuke Tobe, Kaan Tunceli
OBJECTIVE: Orally disintegrating tablets (ODTs) offer a valuable treatment option, particularly when swallowing solid tablets with water is difficult or inconvenient. Montelukast is an effective treatment for asthma and allergic rhinitis (AR), and an ODT formulation became available in Japan in 2015. This study investigated levels of satisfaction with this new formulation among adults with asthma and/or AR in Japan. METHODS: Patients aged 20 years or older who were refilling a prescription for montelukast ODT in pharmacies across Japan completed questions on satisfaction with key features of montelukast ODT and the 9-item Treatment Satisfaction Questionnaire for Medication (TSQM-9)...
October 21, 2016: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27648490/transporter-mediated-hepatic-uptake-plays-an-important-role-in-the-pharmacokinetics-and-drug-drug-interactions-of-montelukast
#11
M V Varma, E Kimoto, R Scialis, Y Bi, J Lin, H Eng, A S Kalgutkar, A F El-Kattan, A D Rodrigues, L M Tremaine
Montelukast, a leukotriene receptor antagonist commonly prescribed for treatment of asthma, is primarily metabolized by Cytochrome P450 (CYP)2C8, and has been suggested as a probe substrate for investigating CYP2C8 activity in vivo. We evaluated the quantitative role of hepatic uptake transport in its pharmacokinetics and drug-drug interactions (DDIs). Montelukast was characterized with significant active uptake in human hepatocytes, and showed affinity towards organic anion transporting polypeptides (OATPs) in transfected cell systems...
September 20, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27588063/chinese-herbal-medicine-formula-gu-ben-fang-xiao-tang-attenuates-airway-inflammation-by-modulating-th17-treg-balance-in-an-ovalbumin-induced-murine-asthma-model
#12
Guiying Ruan, Baohong Tao, Dongguo Wang, Yong Li, Jingyi Wu, Genquan Yin
Gu-Ben-Fang-Xiao-Tang (GBFXT) is a traditional Chinese medicine formula consisting of 11 medicinal plants, which has been used in the treatment of asthma. The present study aimed to determine the protective effects and the underlying mechanisms of GBFXT on ovalbumin (OVA)-induced allergic inflammation in a mouse model of allergic asthma. A total of 50 mice were randomly assigned to the following five experimental groups: Normal, model, montelukast (2.6 mg/kg), 12 g/kg GBFXT and 36 g/kg GBFXT groups. Airway responsiveness was measured using the forced oscillation technique, while differential cell count in the bronchoalveolar lavage fluid (BALF) was measured by Wright-Giemsa staining...
September 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27547723/a-case-of-severe-acute-exacerbation-of-yokkaichi-asthma-treated-with-a-vibrating-mesh-nebulizer
#13
Takeshi Yano, Tetsu Yonaha, Koutaro Hidaka, Masumi Nagahama, Tomohiro Koshida, Hiroshi Matsuoka, Masahiko Taniguchi, Isao Tsuneyoshi
Yokkaichi asthma was one of the most common environmental pollution diseases in Japan in the 1960s and 1970s. The problem of air pollution in Yokkaichi was solved in the 1970s. However, mortality and life expectancy were still affected by the late effects of air pollution in patients with Yokkaichi asthma even in the 2000s. In this case report, we described the experience of successful treatment of a patient with severe asthmatic status due to Yokkaichi asthma. A 40s-year-old man, who was officially certified as a patient with Yokkaichi asthma from his infancy, was admitted to hospital due to acute exacerbation of asthma...
2016: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27485393/montelukast-current-indications-and-prospective-future-applications
#14
Naim Kittana, Suhaib Hattab, Azza Ziyadeh-Isleem, Nidal Jaradat, Abdel-Naser Zaid
INTRODUCTION: Montelukast is recommended for the treatment of asthma, exercise -induced bronchospasm and allergic rhinitis. Several trials demonstrated potential therapeutic effects in other respiratory conditions, and different animal-model-based studies explored potential pharmacological actions in non-respiratory conditions. AREAS COVERED: Clinical investigations on the pharmacotherapeutic effects of montelukast, in addition to in-vivo studies on animal models of non-respiratory diseases...
September 2016: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/27444660/a-dual-cyslt1-2-antagonist-attenuates-allergen-induced-airway-responses-in-subjects-with-mild-allergic-asthma
#15
G M Gauvreau, L-P Boulet, J M FitzGerald, D W Cockcroft, B E Davis, R Leigh, M Tanaka, J A Fourre, M Tanaka, T Nabata, P M O'Byrne
BACKGROUND: The cysteinyl leukotrienes (cysLTs) play a key role in the pathophysiology of asthma. In addition to functioning as potent bronchoconstrictors, cysLTs contribute to airway inflammation through eosinophil and neutrophil chemotaxis, plasma exudation, and mucus secretion. We tested the activity of the dual cysLT1/2 antagonist, ONO-6950, against allergen-induced airway responses. METHODS: Subjects with documented allergen-induced early (EAR) and late asthmatic response (LAR) were randomized in a three-way crossover study to receive ONO-6950 (200 mg) or montelukast (10 mg) or placebo q...
December 2016: Allergy
https://www.readbyqxmd.com/read/27417329/inhibition-of-spleen-tyrosine-kinase-attenuates-ige-mediated-airway-contraction-and-mediator-release-in-human-precision-cut-lung-slices
#16
Cynthia J Koziol-White, Yanlin Jia, Gretchen A Baltus, Philip R Cooper, Dennis M Zaller, Michael A Crackower, Erich E Sirkowski, Steven Smock, Alan B Northrup, Blanca E Himes, Stephen E Alves, Reynold A Panettieri
BACKGROUND AND PURPOSE: Asthma manifests as a heterogeneous syndrome characterized by airway obstruction, inflammation and hyper-reactivity (AHR). Spleen tyrosine kinase (Syk) mediates allergen-induced mast cell degranulation, a central component of allergen-induced inflammation and AHR. However, the role of Syk in IgE-mediated constriction of human small airways remains unknown. In this study, we addressed whether selective inhibition of Syk attenuates IgE-mediated constriction and mast cell mediator release in human small airways...
July 15, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27378824/effect-of-traditional-chinese-medicine-on-inflammatory-mediators-in-pediatric-asthma
#17
Hui Du, Yonghong Wang, Yumin Shi, Jian Yu, Wen Sun, Yiqun Zhang
Objective. To observe the effects of empirical prescriptions of traditional Chinese medicine (TCM) on inflammatory mediators in pediatric asthma and to explore the underlying molecular mechanism in the treatment of asthma. Methods. A total of 182 children with asthma were randomly placed into either the TCM group (n = 97) or the salbutamol and montelukast (SM) group (n = 85). Patients in the TCM group were treated with a series of empirical prescriptions of TCM, while those in the SM group received salbutamol and montelukast...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27325144/effects-of-montelukast-on-m2-related-cytokine-and-chemokine-in-m2-macrophages
#18
Yi-Ching Lin, Ming-Yii Huang, Min-Sheng Lee, Chong-Chao Hsieh, Hsuan-Fu Kuo, Chang-Hung Kuo, Chih-Hsing Hung
BACKGROUND/PURPOSE: Asthma is a chronic airway inflammatory disease mediated by T-helper (Th)2 cells. Montelukast (trade name Singulair) is a cysteinyl leukotriene receptor antagonist used for asthma treatment. Mirroring Th1-Th2 polarization, two distinct states of macrophages have been recognized: the classically activated (M1) macrophages and the alternatively activated (M2) macrophages. M2 polarization is known to be a response to the Th2 cytokines; however, the effects of montelukast on M2 macrophages have not been well characterized...
May 13, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/27312202/cysteinyl-leukotriene-receptor-antagonist-epigenetically-modulates-cytokine-expression-and-maturation-of-human-myeloid-dendritic-cells
#19
Chang-Hung Kuo, San-Nan Yang, Hsuan-Fu Kuo, Min-Sheng Lee, Ming-Yii Huang, Shau-Ku Huang, Yi-Ching Lin, Chong-Chao Hsieh, Chih-Hsing Hung
BACKGROUND: Cysteinyl leukotriene receptor antagonists are important controllers in treating asthma. Human myeloid DCs (mDCs) play critical roles in the pathogenesis of asthma. However, the effects of cysteinyl leukotriene receptor antagonist on human mDCs are unknown. METHODS: To investigate the effects of cysteinyl leukotriene receptor antagonist on the function of human mDCs, circulating mDCs were isolated from six health subjects. Human mDCs were pretreated with montelukast and were stimulated with toll-like receptor (TLR) ligands lipopolysaccharide (LPS) or polyinosinic-polycytidylic acid (poly I:C)...
August 2016: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27275233/the-effect-of-combined-therapy-ics-laba-and-ics-laba-plus-montelukast-in-patients-with-uncontrolled-severe-persistent-asthma-based-on-the-serum-il-13-and-fev1
#20
Elena Jovanovska Janeva, Zlatica Goseva, Angjelko Gjorchev, Angela Debreslioska, Mirko Spiroski, Beti Zafirova, Magdalena Genadieva Dimitrova
BACKGROUND: IL-13 is one of many cytokines responsible for the chronic inflammation of asthma. AIM: The aim of this study was to determine the effect of combined therapy ICS/LABA and ICS/LABA plus Montelukast in patients with uncontrolled severe persistent asthma by analyzing of serum IL-13 and FEV1 before the treatment and after 6 months of therapy. MATERIAL AND METHODS: In study we included two groups. First group with 27 patients were treated with ICS/LABA...
June 15, 2015: Open Access Macedonian Journal of Medical Sciences
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