Delivery of sumatriptan, frovatriptan or naratriptan through an inhalation route

Abstract

The present invention relates to the delivery of anti-migraine compounds through an inhalation route. Specifically, it relates to aerosols containing sumatriptan, frovatriptan, or naratriptan 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 sumatriptan, frovatriptan, or naratriptan. In a method aspect of the present invention, one of sumatriptan, frovatriptan, or naratriptan 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 sumatriptan, frovatriptan, or naratriptan, to form a vapor; and, b) allowing the 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 sumatriptan, frovatriptan, or naratriptan through an inhalation route to a mammal is provided which comprises: a) a composition comprising at least 5 percent by weight of sumatriptan, frovatriptan, or naratriptan; and, b) a device that forms a sumatriptan, frovatriptan, or naratriptan aerosol from the composition, for inhalation by the mammal.

Dependencies are inferred from the claim text.