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Serevent: profile and news
Readers Say Apr 20, 2006 Health News May 9, 2006 Asthma Treatment, Finally An Effective Drug-free Alternative Apr 19, 2006 Other information Indication For the treatment of Asthma and chronic obstructive pulmonary disease (COPD). Pharmacology Salmeterol, a highly selective beta(2)-agonist, is used to treat asthma and to prevent bronchospasm in patients with reversible obstructive airway disease. Mechanism Of Action Salmeterol's long, lipophilic side chain binds to exosites near beta(2)-receptors in the lungs and on bronchiolar smooth muscle, allowing the active portion of the molecule to remain at the receptor site, continually binding and releasing. Beta(2)-receptor stimulation in the lung causes relaxation of bronchial smooth muscle, bronchodilation, and increased bronchial airflow. Drug Category Bronchodilator Agents; Sympathomimetic; Adrenergic beta-Agonists; Brand Names/Synonyms Aeromax; Arial; Astmerole; CHEMBANK1801; SEREVENT; Salmetedur; Salmeterol; Salmeterol Xinafoate; Salmeterol [Usan:Ban:Inn]; Salmeterolum [Latin]; Serevent; [Usan:Ban:Inn] Dosage Forms METERED-DOSE (AEROSOL); POWDER Absorption Because of the small therapeutic dose, systemic levels of salmeterol are low or undetectable after inhalation of recommended doses (50 mcg of salmeterol inhalation powder twice daily). Following chronic administration of an inhaled dose of 50 mcg of salmeterol inhalation powder twice daily, salmeterol was detected in plasma within 5 to 45 minutes in 7 patients with asthma; plasma concentrations were very low, with mean peak concentrations of 167 pg/mL at 20 minutes and no accumulation with repeated doses. Interactions |
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