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  • Title: Unlocking the opportunity of tight glycaemic control. Innovative delivery of insulin via the lung.
    Author: Patton JS.
    Journal: Diabetes Obes Metab; 2005 Nov; 7 Suppl 1():S5-8. PubMed ID: 16135136.
    Abstract:
    As the incidence of diabetes reaches epidemic proportions, the use of new, alternative routes of insulin delivery to manage glycaemic control is becoming an ever more active area of research. The high permeability and large surface area of the lung make it an attractive alternative to subcutaneous (SC) insulin injections. This review discusses the technical factors that influence the efficacy of pulmonary drug delivery and describes how an appreciation of these issues has enabled the design of Exubera, a novel, non-invasive, pulmonary dry-powder human insulin delivery system currently in development by Pfizer and the Sanofi-Aventis Group in collaboration with Nektar Therapeutics. While clinical trials of this novel aerosol delivery of insulin are still ongoing in patients with diabetes, the results so far suggest it is simple to use and can provide reproducible doses of insulin in therapeutic amounts with only a few inhalations per dose. In addition, it has been shown to be comparable in terms of efficacy and safety to a conventional SC insulin injection regimen. Delivering aerosolized drugs via the lungs avoids the necessity for SC injections and thereby may increase the patient's acceptability of an insulin-based therapeutic regimen.
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