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  2. Montelukast - Wikipedia

    en.wikipedia.org/wiki/Montelukast

    Singulair was covered by US Patent No. 5,565,473 [27] which expired on 3 August 2012. [28] The same day, the FDA approved several generic versions of montelukast. [29] The United States Patent and Trademark Office launched a reexamination of the patent covering Singulair on May 2009. The decision was driven by the discovery of references that ...

  3. Cysteinyl-leukotriene type 1 receptor antagonists - Wikipedia

    en.wikipedia.org/wiki/Cysteinyl-leukotriene_type...

    The medical uses for Cysteinyl-leukotriene type 1 receptor antagonists are for chronic and prophylactic treatment of asthma. [3] [9] [10] Other indications have been approved by the FDA for montelukast and they are used for the prevention of exercise-induced bronchoconstriction (EIB), relief of symptoms of allergic rhinitis (AR) that is for relief of seasonal allergic rhinitis and perennial ...

  4. Bronchodilator - Wikipedia

    en.wikipedia.org/wiki/Bronchodilator

    They are not intended for fast relief. These medications may take longer to begin working, but relieve airway constriction for up to 12 hours. Commonly taken twice a day with an anti-inflammatory medication, they maintain open airways and prevent asthma symptoms, particularly at night. [citation needed] Salmeterol and formoterol are examples of ...

  5. Exclusive-US FDA finds widely used asthma drug impacts ... - AOL

    www.aol.com/news/exclusive-us-fda-finds-widely...

    The behavior of montelukast appears similar to other drugs known to have neuropsychiatric effects, such as the antipsychotic risperidone, according to FDA slides reviewed by Reuters.

  6. Antileukotriene - Wikipedia

    en.wikipedia.org/wiki/Antileukotriene

    An antileukotriene, also known as leukotriene modifier and leukotriene receptor antagonist, is a medication which functions as a leukotriene-related enzyme inhibitor (arachidonate 5-lipoxygenase) or leukotriene receptor antagonist (cysteinyl leukotriene receptors) and consequently opposes the function of these inflammatory mediators; leukotrienes are produced by the immune system and serve to ...

  7. Asthma - Wikipedia

    en.wikipedia.org/wiki/Asthma

    These may occur a few times a day or a few times per week. [4] Depending on the person, asthma symptoms may become worse at night or with exercise. [4] Asthma is thought to be caused by a combination of genetic and environmental factors. [3] Environmental factors include exposure to air pollution and allergens. [4]

  8. Zafirlukast - Wikipedia

    en.wikipedia.org/wiki/Zafirlukast

    Zafirlukast is FDA-approved for the prevention and treatment of asthma in adults and children older than 5 years old. [1] Like other leukotriene receptor antagonists, zafirlukast is thought to be useful for the long-term treatment of asthma, but it is generally less effective than inhaled glucocorticoids as monotherapy (which are the standard of care) or long-acting beta-2 agonists in ...

  9. Pranlukast - Wikipedia

    en.wikipedia.org/wiki/Pranlukast

    Medications of this class, which go under a variety of names according to whether one looks at the American, British or European system of nomenclature, have as their primary function the antagonism of bronchospasm caused, principally in asthmatics, by an allergic reaction to accidentally or inadvertently encountered allergens.

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