Therapeutic 1,2,3,6-tetrahydropyrimidine-2-one compositions...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S345000, C514S318000, C544S318000

Reexamination Certificate

active

06919348

ABSTRACT:
A therapeutic composition is provided that comprises a 1-R1-phenyl, 4-R2-phenyl substituted 1,2,3,6-tetrahydropyrimidine-2-one cold receptor agonist in a therapeutically effective amount and preferably further comprises one or more pharmaceutically active drugs such as an anti-inflammatory glucocorticosteroid, a sympathomimetic amine decongestant, an anti-histamine, a local anesthetic, menthol or a menthol analog, and mixtures thereof. The cold receptor agonist may be represented by the general formula 1-[R1-phenyl]-4-[R2-phenyl]-1,2,3,6-tetrahydropyrimidine-2-one wherein: R1 is -hydroxy, -chloro, -fluoro, -alkyl, -acetoxy, -trifluoromethyl; and R2 is -nitro, -chloro, -fluoro, -alkyl, -trifluoromethyl. Therapeutic compositions of the invention elicit long-lasting cooling or soothing, particularly when formulated for delivery to suppress the sensations of itch and pain, such as for delivery to inflamed skin, to the mucous membranes of the anogenital areas, and to the enteric mucosa.

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