Inhalation delivery systems with compliance and disease management capabilities |
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Authors: | I Gonda JA Schuster RM Rubsamen P Lloyd D Cipolla SJ Farr |
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Affiliation: | Aradigm Corporation, Hayward, CA 94545, USA. IgorGonda@aol.com |
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Abstract: | Non-compliance with prescribed medication is a major reason for poor therapeutic outcomes, leading to unnecessary contributions to healthcare costs. Poor technique in self-administration of inhalation therapy is a special type of non-compliance associated with this route of administration. However, pulmonary drug delivery has fundamental advantages for therapy of diseases of the respiratory tract because it is site-directed. The lung is also a promising portal for drug delivery into the systemic circulation. Incorporation of microprocessors into pulmonary drug delivery systems facilitates sophisticated compliance management of chronic diseases such as asthma and diabetes. Microprocessor-assisted systems afford control of patients' administration technique during the therapeutic inhalation event, thus leading to efficient and reproducible regional deposition of the inhaled drug or diagnostic agent. SmartMist is a hand-held asthma disease management device that aids patients to use optimally metered dose inhalers. It also measures pulmonary lung function and provides a long term downloadable electronic record of the therapeutic and diagnostic events. The AERx pulmonary delivery system utilizes similar microprocessor capabilities; however, it employs a novel means of generating aqueous aerosols from unit dose packages, thus providing a broad inhalation technology base for delivery of a wide variety of therapeutic and diagnostic agents into the respiratory tract, and via the lung into the systemic circulation. |
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