Categorie
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Les marques,
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Analogs
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Les marques melange
No information avaliable
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Formule chimique
C35H36ClNO3S
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RX lien
http://www.rxlist.com/cgi/generic3/monteluk.htm
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FDA fiche
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msds (fiche de securite des materiaux)
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Synthese de reference
ML Belley et al. Eur. Pat. Appl. 480,717 (1992)
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Poids moleculaire
586.184 g/mol
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Point de fusion
No information avaliable
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H2O Solubilite
Aucune information disponible
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Etat
Solid
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LogP
8.488
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Formes pharmaceutiques
Tablet (oral)
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Indication
Pour le traitement de l'asthme
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Pharmacologie
Le montélukast, zafirlukast, comme, est un antagoniste des récepteurs des leucotriènes utilisé comme une alternative aux médicaments anti-inflammatoires dans la gestion et le traitement de l'asthme et l'exercice bronchospasme induit par (BEI). Contrairement zafirlukast, montélukast n'a pas inhibé le CYP2C9 ou le CYP3A4 et, par conséquent, ne devrait pas affecter la clairance hépatique des médicaments métabolisés par ces enzymes.
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Absorption
Rapidement absorbé après administration orale (biodisponibilité est de 64%)
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Toxicite
Les effets secondaires comprennent des céphalées, des douleurs abdominales ou de l'estomac, la toux, les douleurs dentaires, des vertiges, fièvre, brûlures d'estomac, éruption cutanée, nez bouché, faiblesse ou fatigue inhabituelle.
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Information pour les patients
General
- Patients should be advised to take montelukast daily as prescribed, even when they are asymptomatic, as well as
during periods of worsening asthma, and to contact their physicians if their asthma is not well controlled.
- Patients should be advised that oral tablets of montelukast are not for the treatment of acute asthma attacks.
They should have appropriate short-acting inhaled b-agonist medication available to treat
asthma exacerbations.
- Patients should be advised that, while using montelukast, medical attention should be sought if short-acting
inhaled bronchodilators are needed more often than usual, or if more than the maximum number of inhalations of
short-acting bronchodilator treatment prescribed for 24-hour period are needed.
- Patients receiving montelukast should be instructed not to decrease the dose or stop taking any other
antiasthma medications unless instructed by a physician.
- Patients who have exacerbations of asthma after exercise should be instructed to continue to use their usual
regimen of inhaled b-agonists as prophylaxis unless otherwise instructed by their
physician. All patients should have available for rescue a short-acting inhaled b-agonist.
- Patients with known aspirin sensitivity should be advised to continue avoidance of aspirin or non-steroidal
anti-inflammatory agents while taking montelukast.
Chewable Tablets:
Phenylketonurics: Phenylketonuric patients should be informed that the chewable tablet contains
phenylalanine (a component of aspartame) 0.842 mg per 5-mg chewable tablet.
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Organismes affectes
Les humains et autres mammifères