نتایج جستجو برای: Montelukast
تعداد نتایج: 1188 فیلتر نتایج به سال:
although current guidelines place single leukotriene receptor antagonists use as a therapeutic option in mild persistent asthma, there is still uncertainty about its place. in this study efficiency of montelukast monotherapy in children with moderate persistent asthma was evaluated. children (age 6 to 16) with persistent moderate asthma were treated prospectively with budesonide combined with m...
BackgroundAcute otitis media (AOM) is very common in children. In spite of spontaneously relief, some cases suffer from the recurrence and other complications occurring after AOM. Animal studies have proved that persistence of leukotrienes in the middle ear may play a role in the development of AOM. Based on this statement, treatment with leukotriene modifiers may be effective in the treatment ...
A 16-year-old Caucasian female presented to the pulmonary clinic for a followup on her asthma. Due to the worsening of allergy-related symptoms, therapy with montelukast 10 mg daily was started and resulted in good relief of the patient's symptoms. In the nights following initiating therapy with montelukast, the patient's mother reported daily parasomnias in the form of sleeptalking and sleepwa...
According to published in vitro studies, cytochrome P450 3A4 catalyzes montelukast 21-hydroxylation (M5 formation), whereas CYP2C9 catalyzes 36-hydroxylation (M6), the primary step in the main metabolic pathway of montelukast. However, montelukast is a selective competitive CYP2C8 inhibitor, and our recent in vivo studies suggest that CYP2C8 is involved in its metabolism. We therefore reevaluat...
BACKGROUND Persistent allergic rhinitis often impairs quality of life. OBJECTIVE We assessed the extent to which treating persistent allergic rhinitis with montelukast, desloratadine, and levocetirizine alone or in combination improved quality of life. METHODS A 32-week randomized, double-blind, placebo-controlled, crossover study was performed in 2 arms: 20 patients received montelukast 10...
OBJECTIVE To systematically review the evidence for the medium to long term benefits and risks of montelukast as add-on therapy to inhaled corticosteroids (ICS) in comparison with placebo and active controls in mild to moderate asthma. DATA SOURCES Medline, Embase, Cochrane Register of Controlled Trials, reference lists of retrieved articles, clinical trial registries and study results databa...
Montelukast and desloratadine synergistically inhibit the allergen-induced early asthmatic response. Montelukast also suppresses the allergen-induced late asthmatic response, but there are no reports on the effect of desloratadine or the combination on the allergen-induced late asthmatic response. Atopic asthmatics (n = 10) completed a multicentric randomised double-blind crossover study compar...
Developing novel chemo-prevention techniques and advancing treatment are key elements to beating lung cancer, the most common cause of cancer mortality worldwide. Our previous cohort study showed that cysteinyl leukotriene receptor antagonists, mainly montelukast, decreased the lung cancer risk in asthma patients. In the current study, we conducted in vivo and in vitro experiments to demonstrat...
Montelukast has been recommended as a selective in vitro and in vivo probe of cytochrome P450 (P450) CYP2C8 activity, but its selectivity toward this enzyme remains unclear. We performed detailed characterization of montelukast metabolism in vitro using human liver microsomes (HLMs), expressed P450s, and uridine 59-diphospho-glucuronosyltransferases (UGTs). Kinetic and inhibition experiments pe...
Background—Montelukast, a leukotriene receptor antagonist, improves parameters of asthma control including forced expiratory volume in one second (FEV1) when given orally to patients aged six years or older. This study was undertaken to compare the eVect on FEV1 of intravenous and oral montelukast and placebo during the 24 hour period following administration. Methods—Fifty one asthmatic patien...
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