Delivery of drug esters through an inhalation route

Details Delivery of drug esters through an inhalation route Delivery of drug esters through an inhalation route

2011-08-02

2011-08-02

Haghighatian, Mina (Department: 1616)

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

C424S046000, C424S489000, C424S434000, C424S499000, C514S958000, C128S200140, C128S200240, C128S203150

Reexamination Certificate

active

07988952

ABSTRACT:
The present invention relates to the delivery of drug esters through an inhalation route. Specifically, it relates to aerosols containing drug esters that are used in inhalation therapy. In a method aspect of the present invention, a drug ester is delivered to a patient through an inhalation route. The method comprises: a) heating a composition, wherein the composition comprises a drug ester, to form a vapor; and, b) allowing the vapor to cool, thereby forming a condensation aerosol comprising particles with less than 5% drug ester degradation product. In a kit aspect of the present invention, a kit for delivering a drug ester through an inhalation route is provided which comprises: a) a thin coating of a drug ester composition and b) a device for dispensing said thin coating as a condensation aerosol.

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