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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
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...
October 6, 2016: Progress in Neuro-psychopharmacology & Biological Psychiatry
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...
October 8, 2016: Drug Metabolism and Personalized Therapy
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
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
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 the Mayo Clinic in Rochester Minnesota from April 2008 through February 2015...
September 17, 2016: Clinical Gastroenterology and Hepatology
Stéphanie Corriveau, Simon Blouin, Elyse Burt, Eric Rousseau, Jean-Charles Pasquier
OBJECTIVE: The potency of acute montelukast treatment, a leukotriene receptor antagonist, has been demonstrated as tocolytic on in vitro myometrial contractility. This study assessed the ability of a 48h montelukast treatment to modify in vitro contractions under inflammatory conditions in a pregnant rat model. STUDY DESIGN: Pregnant Sprague-Dawley rats were injected intraperitoneally (gestational days 20-22) with lipopolysaccharides (LPS) 200μg/kg (4 treatments at 12h intervals) alone or combined with montelukast 10mg/kg/day or a saline solution for a 48h period...
August 9, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
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
Naw April Phaw, Her Hsin Tsai
The patient presented with bloody diarrhoea, and crampy abdominal pains. She was diagnosed with eosinophilic gastroenteritis (EGE) after the finding of persistently high peripheral eosinophil counts and histology of endoscopic biopsies. She responded to steroids but became dependent on it and her symptoms recurred on steroid tapering. There was little improvement with alternative treatment such as budesonides, azathioprine and montelukast. Surprisingly her symptoms improved significantly after she was treated with clarithromycin for chest infection and she was continued on clarithromycin...
2016: BMJ Case Reports
Catia Marzolini, Rajith Rajoli, Manuel Battegay, Luigia Elzi, David Back, Marco Siccardi
BACKGROUND: Antiretroviral drugs are among the therapeutic agents with the highest potential for drug-drug interactions (DDIs). In the absence of clinical data, DDIs are mainly predicted based on preclinical data and knowledge of the disposition of individual drugs. Predictions can be challenging, especially when antiretroviral drugs induce and inhibit multiple cytochrome P450 (CYP) isoenzymes simultaneously. METHODS: This study predicted the magnitude of the DDI between efavirenz, an inducer of CYP3A4 and inhibitor of CYP2C8, and dual CYP3A4/CYP2C8 substrates (repaglinide, montelukast, pioglitazone, paclitaxel) using a physiologically based pharmacokinetic (PBPK) modeling approach integrating concurrent effects on CYPs...
September 7, 2016: Clinical Pharmacokinetics
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
Rauf Melekoglu, Osman Ciftci, Aslı Cetin, Nese Basak, Ebru Celik
PURPOSE: To determine the toxic effect of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on reproductive system and the beneficial effects of Montelukast (ML) with histological and biochemical analysis. METHODS: Rats were randomly divided into four equal groups (control, TCDD, ML and TCDD+ML). Tissue samples were collected on day 60 and oxidative status and histological alterations were analyzed. RESULTS: The results showed a significant increase in oxidative and histological damage on uterine and ovarian tissues...
August 2016: Acta Cirúrgica Brasileira
Dalvir Gill, Kamalpreet Mann, Lubna Wani
No abstract text is available yet for this article.
August 17, 2016: American Journal of Therapeutics
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
Stephen R Durham, Peter S Creticos, Harold S Nelson, Ziliang Li, Amarjot Kaur, Eli O Meltzer, Hendrik Nolte
BACKGROUND: Data comparing the treatment effect of allergy immunotherapy and pharmacotherapy are lacking. OBJECTIVE: We sought to indirectly compare the treatment effect of sublingual immunotherapy (SLIT)-tablets with pharmacotherapy for seasonal allergic rhinitis (SAR) and perennial allergic rhinitis (PAR). METHODS: Pooled data from randomized, double-blind, placebo-controlled trials for the clinical development programs of selected allergic rhinitis treatments were evaluated...
October 2016: Journal of Allergy and Clinical Immunology
Sabrina Flor, Martin Huala Juan, Valeria Tripodi, Silvia Lucangioli
A stereoselective CD-MEKC system has been developed for the quality control of Montelukast (MK), commercialized as a pure enantiomer. The proposed method is the first one that allows the simultaneous determination of MK, its enantiomeric form, diasteroisomers and its main degradation compound (MK sulphoxide). CD-MEKC system is composed of 10 mM SDS, 10 mM sulfobutylether-β-CD, 10 mM TM-β-CD, and 20 mM borate buffer at pH 9.0. Combination of these two CDs allows high baseline enantioresolution between MK and its enantiomeric impurity, but also, between the diasteroisomeric forms...
September 2016: Electrophoresis
Chunhui Wei
PURPOSE: In order to verify the differences of effectiveness and safety between SAHs and Montelukast, and to find out potential uncared-for problems, we performed a systematic review and Meta-analysis to proceed a qualitative describe and quantitative assessment. METHODS: We searched the databases of Pubmed, the Cochrane Library, Nature and Science as well as Wanfang data and CNKI from 2000 to March 2016, using key words "Montelukast SAH" or "H1-antihistamine Montelukast", or "Loratadine Montelukast", or "Desloratadine Montelukast", or "Levocetirizine Montelukast", or "Cetirizen Montelukast", or "Fexofenadine Montelukast"...
August 11, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Guang-Shing Cheng, Barry Storer, Jason W Chien, Madan Jagasia, Jesse J Hubbard, Linda Burns, Vincent T Ho, Joseph Pidala, Jeanne Palmer, Laura Johnston, Sebastian Mayer, Kristina Crothers, Iskra Pusic, Stephanie J Lee, Kirsten M Williams
RATIONALE: The natural history of lung function in patients with bronchiolitis obliterans syndrome (BOS) after allogeneic hematopoietic cell transplantation is poorly characterized. Understanding the trajectory of lung function is necessary for prompt clinical recognition, treatment, and the rational design of prospective studies. OBJECTIVES: To describe the longitudinal trajectory of lung function parameters including FEV1 in patients with BOS after hematopoietic cell transplantation...
August 11, 2016: Annals of the American Thoracic Society
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
Serkan Angı, Hüseyin Eken, Erol Kılıc, Oktay Karaköse, Gürhan Balci, Erkan Somuncu
BACKGROUND We evaluated the hematological, biochemical, and histopathological effects of Montelukast on pancreatic damage in an experimental acute pancreatitis model created by cerulein in rats before and after the induction of pancreatitis. MATERIAL AND METHODS Forty rats were divided into 4 groups with 10 rats each. The study groups were: the Cerulein (C) group, the Cerulein + early Montelukast (CMe) group, the Cerulein + late Montelukast (CMl) group, and the Control group. The pH, pO2, pCO2, HCO3, leukocyte, hematocrit, pancreatic amylase, and lipase values were measured in the arterial blood samples taken immediately before rats were killed...
2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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