| 摘要 |
The present invention relates to the delivery of drug esters through an inhalation route. Specifically, it relates to aerosols containing drug ester s that are used in inhalation therapy. In a composition aspect of the present invention, the aerosol comprises particles comprising at least 5 percent by weight of drug ester. In a method aspect of the present invention, a drug ester is delivered to a mammal through an inhalation route. The method comprises: a) heating a composition, wherein the composition comprises at least 5 percent by weight of drug ester, to form a vapor; and, b) allowing t he vapor to cool, thereby forming a condensation aerosol comprising particles, which is inhaled by the mammal. In a kit aspect of the present invention, a kit for delivering a drug ester through an inhalation route to a mammal is provided which comprises: a) a composition comprising at least 5 percent by weight of drug ester; and, b) a device that forms a drug ester containing aerosol from the composition, for inhalation by the mammal.
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