Patent ID: 8366600

Claim:
A method of treating a subject in need thereof, comprising: administering an effective amount of a triptan compound to a subject using an iontophoretic transdermal patch, wherein the patch comprises an anode reservoir and a cathode reservoir, wherein the anode reservoir comprises a polyamine hydrogel formed from a polyamine salt of a polyacrylate copolymer and an organic acid, and a gel forming amount of water; wherein the organic acid is a fatty acid, or a dicarboxylic acid, or a combination of both; wherein the polyamine hydrogel further comprises: about 3% to about 20% of a triptan compound in intimate mixture with the hydrogel; and optionally one or more additives, wherein the effective amount of the triptan compound is delivered to the subject within about one hour at an initial current between about 4 mA and about 5 mA without causing significant erythema.