US Patent 7468179 Delivery of opioids through an inhalation route
Patent 7468179 was granted and assigned to Alexza Pharmaceuticals on December, 2008 by the United States Patent and Trademark Office.
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The present invention relates to the delivery of opioids through an inhalation route. Specifically, it relates to aerosols containing opioids that are used in inhalation therapy. In a method aspect of the present invention, an opioid is delivered to a patient through an inhalation route. The method comprises: a) heating a thin layer of an opioid, on a solid support, to form a vapor; and, b) passing air through the heated vapor to produce aerosol particles having less than 5% opioid degradation products. In a kit aspect of the present invention, a kit for delivering an opioid through an inhalation route is provided which comprises: a) a thin layer of an opioid and b) a device for dispensing said thin layer as a condensation aerosol.
US Patent 07468179 Delivery of opioids through an inhalation route US Patent 7468179 Delivery of opioids through an inhalation route
US Patent 07468179 Delivery of opioids through an inhalation route
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