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Abstract

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

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First Claim