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Claims for Patent: 8,231,885

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Claims for Patent: 8,231,885

Title:Compounds, formulations, and methods for ameliorating telangiectasis
Abstract: Methods, compounds, and topical formulations for treatment of telangiectasias are disclosed. The methods comprise topically applying a composition comprising an .alpha.-adrenergic receptor agonist to telangiectatic skin. Amelioration of telangiectasia symptoms begins within minutes after topical application of a disclosed composition. A single application can significantly lessen telangiectasia discoloration for at least about 2 hours.
Inventor(s): DeJovin; Jack A. (New Brunswick, NJ), DeJovin; Isabelle Jean (New Brunswick, NJ)
Assignee: Galderma Laboratories Inc. (Fort Worth, TX)
Application Number:12/544,663
Patent Claims: 1. A topical dermal composition comprising: a therapeutically effective amount of brimonidine or a pharmaceutically acceptable salt thereof; titanium dioxide; and a pharmaceutically acceptable carrier selected from the group consisting of sprays, mists, aerosols, lotions, gels, creams, pastes, and emulsions, wherein the composition is suitable for application to skin.

2. The topical composition according to claim 1, wherein the pH value of the composition is in the range of about 5 to 8.

3. The topical composition according to claim 1, wherein the pharmaceutically acceptable carrier is an aqueous gel.

4. The topical composition according to claim 3, wherein the brimonidine or a pharmaceutically acceptable salt thereof is present in an amount in the range of about 0.01 to 5 weight percent.

5. The topical composition according to claim 3, wherein the pH value of the composition is in the range of about 5 to 8.

6. The topical composition according to claim 3, further comprising a preservative.

7. The topical composition according to claim 3, further comprising a local anesthetic.

8. The topical composition according to claim 3, further comprising a skin humectant.

9. The topical composition according to claim 3, wherein the aqueous gel comprises water, and a water-gelling amount of a pharmaceutically acceptable gelling agent selected from the group consisting of carbomers, glycerine polyacrylate, and mixtures thereof.

10. The topical composition according to claim 1, wherein the pharmaceutically acceptable carrier is a cream.

11. The topical composition according to claim 10, wherein the brimonidine or a pharmaceutically acceptable salt thereof is present in an amount in the range of about 0.01 to 5 weight percent.

12. The topical composition according to claim 10, wherein the pH value of the composition is in the range of about 5 to 8.

13. The topical composition according to claim 10, further comprising a preservative.

14. The topical composition according to claim 10, further comprising a local anesthetic.

15. The topical composition according to claim 10, further comprising a skin humectant.

16. The topical composition according to claim 10, wherein the cream comprises stearic acid, stearyl alcohol, cetyl alcohol, glycerin, and water.

17. A topical dermal composition comprising: a therapeutically effective amount of an active agent consisting of brimonidine or a pharmaceutically acceptable salt thereof; titanium dioxide; and a pharmaceutically acceptable carrier selected from the group consisting of sprays, mists, aerosols, lotions, gels, creams, ointments, pastes, unguents, and emulsions.

18. A container suitable for delivering a topical formulation comprising therein a therapeutically effective amount of brimonidine or a pharmaceutically acceptable salt thereof, titanium dioxide, and a pharmaceutically acceptable carrier selected from the group consisting of sprays, mists, aerosols, lotions, gels, creams, pastes, and emulsions.

19. The container according to claim 18, wherein the carrier is a gel or cream and the container is a squeeze bottle or tube.

20. A topical dermal composition comprising: a therapeutically effective amount of brimonidine or a pharmaceutically acceptable salt thereof; titanium dioxide; and a pharmaceutically acceptable carrier selected from the group consisting of sprays, mists, aerosols, lotions, gels, creams, pastes, and emulsions, wherein the composition is limited to facial and non-ophthalmic topical application.

21. A topical dermal composition comprising: a therapeutically effective amount of an active agent consisting of brimonidine or a pharmaceutically acceptable salt thereof; titanium dioxide; and a pharmaceutically acceptable carrier selected from the group consisting of sprays, mists, aerosols, lotions, gels, creams, ointments, pastes, unguents, and emulsions, wherein the composition is limited to facial and non-ophthalmic topical application.

22. A container suitable for delivering a topical formulation comprising therein a therapeutically effective amount of brimonidine or a pharmaceutically acceptable salt thereof, titanium dioxide, and a pharmaceutically acceptable carrier selected from the group consisting of sprays, mists, aerosols, lotions, gels, creams, pastes, and emulsions, wherein the composition is limited to facial and non-ophthalmic topical application.
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