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https://www.readbyqxmd.com/read/27909742/the-anti-inflammatory-effect-of-montelukast-a-cysteinyl-leukotriene-receptor-1-antagonist-against-estradiol-induced-nonbacterial-inflammation-in-the-rat-prostate
#1
Mahmoud M Said, Maarten C Bosland
There is no standard treatment of chronic nonbacterial prostatitis in humans. The current study was aimed to investigate the effect of montelukast, an antagonist of cysteinyl leukotriene receptor-1, against estrogen-induced, nonbacterial lateral lobe-specific prostate inflammation in rats. Male Wistar rats were randomized into five groups of six rats, including sham controls (group 1) and castrated rats (group 2), whereas nonbacterial prostatitis (NBP) was induced in groups 3-5 by castration followed by a daily subcutaneous injection of estradiol (0...
December 1, 2016: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/27888864/oesophageal-disease-gastroesophageal-reflux-disease-barrett-s-oesophagus-achalasia-and-eosinophilic-oesophagitis
#2
Xavier Calvet
The most interesting conclusions and/or advances presented at Digestive Disease Week 2016 were the following: a) gastroesophageal reflux disease: proton pump inhibitor-refractory reflux disease is frequently associated with poor treatment adherence, psychiatric comorbidities and functional gastrointestinal disorders. These possible entities should be investigated in all cases of proton pump inhibitor-refractory reflux disease; b) Barrett's oesophagus: the efficacy of screening remains unclear; however, new minimally-invasive techniques such as the cytosponge allow more effective detection, both of Barrett's oesophagus and Barrett's oesophagus-associated dysplasia or neoplasia; c) achalasia: evidence indicates that peroral endoscopic myotomy is as effective as surgery and is a safer alternative; d) eosinophilic oesophagitis: high-dose proton pump inhibitors are required to rule out proton pump inhibitor-responsive eosinophilic oesophagitis; montelukast is not clearly effective in the treatment of eosinophilic oesophagitis, although moderate efficacy cannot be ruled out...
September 2016: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/27887950/cyslt2-receptor-activation-is-involved-in-ltc4-induced-lung-air-trapping-in-guinea-pigs
#3
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
#4
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/27882879/treatment-of-chronic-spontaneous-urticaria-with-an-inadequate-response-to-h1-antihistamines-an-expert-opinion
#5
Christian Vestergaard, Elias Toubi, Marcus Maurer, Massimo Triggiani, Barbara Ballmer-Weber, Alexander Marsland, Marta Ferrer, André Knulst, Ana Giménez-Arnau
Chronic spontaneous urticaria (CSU) is characterized by the sudden, continuous or intermittent appearance of pruritic wheals (hives), angioedema, or both for six weeks or more, with no known specific trigger. The international EAACI/GA(2)LEN/EDF/WAO urticaria guideline advises standard-dose, second-generation H1-antihistamines as first-line therapy. However, H1-antihistamine treatment leads to absence of symptoms in fewer than 50% of patients. Updosing of second-generation H1-antihistamines (up to fourfold) as recommended by the EAACI/GA(2)LEN/EDF/WAO urticaria guideline as second-line therapy, can improve response, but many patients remain symptomatic...
November 23, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27881050/pharmaceutical-rejuvenation-of-age-associated-decline-in-spatial-memory
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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/27810015/pediatric-obstructive-sleep-apnea
#13
REVIEW
Zarmina Ehsan, Stacey L Ishman
Screening for obstructive sleep apnea (OSA) with in-laboratory polysomnography is recommended for children with sleep disordered breathing. Adenotonsillectomy is the first-line therapy for pediatric OSA, although intranasal steroids and montelukast can be considered for those with mild OSA and continuous positive airway pressure for those with moderate to severe OSA awaiting surgery, poor surgical candidates or persistent OSA. Bony or soft tissue upper airway surgery is reasonable for children failing medical management or those with persistent OSA following adenotonsillectomy...
December 2016: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/27785374/montelukast-in-the-treatment-of-perennial-allergic-rhinitis-in-paediatric-japanese-patients-an-open-label-clinical-trial
#14
Kimihiro Okubo, Yoichi Inoue, Hirotaka Numaguchi, Kumi Tanaka, Itori Saito, Nobuyuki Oshima, Yuki Matsumoto, Marita Prohn, Anish Mehta, Chisato Nishida, George Philip
Background: This study was conducted to evaluate the safety and tolerability, and population pharmacokinetics (PPK) of montelukast as well as efficacy in the treatment of perennial allergic rhinitis (PAR) in paediatric Japanese patients aged between 1 and 15 years. Methods: In this multi-centre, open-label trial, 87 paediatric Japanese patients with PAR received montelukast 4 mg oral granules (OG) for 4 weeks (1-5-year-olds, N = 15), 4 mg OG for 12 weeks (1-5-year-olds, N = 36), 5 mg chewable tablets (CT) for 12 weeks (6-9-year-olds, N = 18), or 5 mg CT for12 weeks (10-15-year-olds, N = 18)...
2016: Journal of drug assessment
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
#15
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/27720931/cyslt1r-downregulation-reverses-intracerebroventricular-streptozotocin-induced-memory-impairment-via-modulation-of-neuroinflammation-in-mice
#16
Arijit Ghosh, Fang Chen, Feng Wu, Su-Su Tang, Mei Hu, Yan Long, Hong-Bin Sun, Ling-Yi Kong, Hao Hong
Our previous studies showed that cysteinyl leukotrienes receptor 1 (CysLT1R) is upregulated in amyloid-β (Aβ)-induced neurotoxicity and that administration of CysLT1R antagonists such as pranlukast or montelukast can ameliorate memory impairment in mice. In the current study, we sought to explore the role of CysLT1R in intracerebroventricular streptozotocin (STZ-ICV)-induced mouse model of memory impairment and neuroinflammation through shRNA-mediated knockdown of CysLT1R and also its pharmacological blockade by pranlukast...
February 6, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/27718490/improvement-of-the-chemical-inhibition-phenotyping-assay-by-cross-reactivity-correction
#17
Nicholas M Njuguna, Ken-Ichi Umehara, Felix Huth, Hilmar Schiller, Kelly Chibale, Gian Camenisch
BACKGROUND: The fraction of an absorbed drug metabolized by the different hepatic cytochrome P450 (CYP) enzymes, relative to total hepatic CYP metabolism (fmCYP), can be estimated by measuring the inhibitory effects of presumably selective CYP inhibitors on the intrinsic metabolic clearance of a drug using human liver microsomes. However, the chemical inhibition data are often affected by cross-reactivities of the chemical inhibitors used in this assay. METHODS: To overcome this drawback, the cross-reactivities exhibited by six chemical inhibitors (furafylline, montelukast, sulfaphenazole, ticlopidine, quinidine and ketoconazole) were quantified using specific CYP enzyme marker reactions...
December 1, 2016: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/27702591/montelukast-ameliorates-streptozotocin-induced-cognitive-impairment-and-neurotoxicity-in-mice
#18
Chun Teng Zhang, Jing Ran Lin, Feng Wu, Arijit Ghosh, Su Su Tang, Mei Hu, Yan Long, Hong Bin Sun, Hao Hong
Extensive studies have demonstrated that neuroinflammation is associated with Alzheimer's disease (AD) and cysteinyl leukotriene receptor 1 (CysLT1R) was involved in neuroinflammation. Montelukast, a highly selective CysLT1R antagonist, has been reported to attenuate learning and memory impairments in the amyloid-β-induced mouse model of AD. However, whether montelukast also exerts beneficial effects on streptozotocin (STZ)-induced memory deficits in mice is not well known. In the present study, we aimed to investigate the effects of montelukast on STZ-induced cognitive impairment, neuroinflammation and apoptosis in mice...
October 1, 2016: Neurotoxicology
https://www.readbyqxmd.com/read/27701784/infectious-morbidity-and-resource-use-in-children-under-2%C3%A2-years-old-at-childcare-centres
#19
Guadalupe Del Castillo-Aguas, Ana Gallego-Iborra, Mario Gutiérrez-Olid, Olga Pérez-González, Ginesa Moreno-Muñoz, Juana M Ledesma-Albarrán
AIM: To analyse the associations between childcare centres and infectious morbidity and resource consumption. METHODS: Cohort study from birth to 2 years. OUTCOME VARIABLE: number and types of infections, drug consumption and medical visits. Exposure variable: attending or not attending a childcare centre. School age: 6-12, >12-18, >18-24 months. RESULTS: The initial cohort comprised 445 children, and the final cohort comprised 419 children...
October 4, 2016: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/27650328/montelukast-does-not-maintain-symptom-reductions-after-topical-steroid-therapy-for-eosinophilic-esophagitis
#20
Jeffrey A Alexander, Karthik Ravi, Felicity T Enders, Debra M Geno, Lori A Kryzer, Kristin C Mara, Thomas C Smyrk, David A Katzka
BACKGROUND & AIMS: Montelukast, a cysteinyl leukotriene type-1 receptor blocker, has been shown in small retrospective studies to reduce symptoms in patients with eosinophilic esophagitis (EoE). We performed a randomized, placebo-controlled, double-blind trial to determine whether montelukast maintains symptomatic remission induced by topical steroid therapy in patients with EoE. METHODS: We performed a prospective study of adult patients with EoE (solid-food dysphagia and a peak esophageal eosinophil count of >20 cells/high-powered field) enrolled at the Mayo Clinic in Rochester, Minnesota, from April 2008 through February 2015...
September 17, 2016: Clinical Gastroenterology and Hepatology
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