Patent ID: 8426466

Claim:
A composition, comprising: a) at least one active agent selected from the group consisting of a polypeptide, a hormone, a polysaccharide, prostaglandins, cyclosporin, cromolyn sodium, vancomycin, desferrioxamine and vitamins; and b) an absorption enhancer having the formula: or a pharmaceutically acceptable salt thereof, wherein R 1 is null, C 1 -C 12 alkylene, C 2 -C 12 alkenylene, arylene, or substituted alkylene, alkenylene, or arylene, said substituted alkylene, alkenylene, or arylene being substituted with N, O, S, or P; R 2 is C 4 -C 12 alkyl, C 1 -C 12 alkyl, C 2 -C 12 alkenyl, aryl, or cycloalkyl; and each R 3 is independently hydrogen, C 1 -C 12 alkyl, C 2 -C 12 alkenyl, or aryl, or substituted alkyl, alkenyl, or aryl, said substituted alkyl, alkenyl, or aryl being substituted with N, O, S, or P, wherein the composition is in a dosage form configured to bring a therapeutically effective amount of the at least one active agent into effective contact with a mucosal surface of a subject.