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lüll Emerging inhaled bronchodilators: an update Cazzola M; Matera MGEur Respir J 2009[Sep]; 34 (3): 757-69Bronchodilators remain central to the symptomatic management of chronic obstructive pulmonary disease and asthma, and, for this reason and also because the patent protection of many bronchodilators has expired, several companies have reinitiated research into the field. The only limits set for the development of a long-lasting bronchodilator with a new product profile are medical needs and marketing opportunities. The incorporation of once-daily dose administration is an important strategy for improving adherence and is a regimen preferred by most patients. A variety of beta(2)-agonists and antimuscarinic agents with longer half-lives and inhalers containing a combination of several classes of long-acting bronchodilator are currently under development. The present article reviews all of the most important compounds under development, describing what has been done and discussing their genuine advantage.|Administration, Inhalation[MESH]|Adrenergic Agents/pharmacology/*therapeutic use[MESH]|Asthma/*drug therapy[MESH]|Bronchodilator Agents/pharmacology/*therapeutic use[MESH]|Drug Administration Schedule[MESH]|Humans[MESH]|Pulmonary Disease, Chronic Obstructive/*drug therapy[MESH] |