Delivery Of Antihistamines Through An Inhalation Route


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

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Document History
  • Publication: Feb 17, 2009
  • Application: Aug 22, 2006
    US US 50798606 A
  • Priority: Aug 22, 2006
    US US 50798606 A
  • Priority: Dec 30, 2003
    US US 74953603 A
  • Priority: May 21, 2002
    US US 15383102 A
  • Priority: Sep 5, 2001
    US US 31747901 P
  • Priority: May 24, 2001
    US US 29420301 P

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