Formulation of dual cycloxygenase (COX) and lipoxygenase (LOX) inhibitors for mammal skin care
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-036/539
A61K-036/00
출원번호
US-0028853
(2011-02-16)
등록번호
US-8790724
(2014-07-29)
발명자
/ 주소
Jia, Qi
출원인 / 주소
Unigen, Inc.
대리인 / 주소
Seed IP Law Group PLLC
인용정보
피인용 횟수 :
1인용 특허 :
80
초록▼
The present invention provides a novel composition of matter comprised of a mixture of two specific classes of compounds—Free-B-Ring flavonoids and flavans—for use in the prevention and treatment of diseases and conditions associated with the skin. This composition of matter simultaneously inhibits
The present invention provides a novel composition of matter comprised of a mixture of two specific classes of compounds—Free-B-Ring flavonoids and flavans—for use in the prevention and treatment of diseases and conditions associated with the skin. This composition of matter simultaneously inhibits cyclooxygenase (COX) and lipoxygenase (LOX) enzymatic activity in normal, aged and damaged dermal cells and tissues. This invention further provides a method for the prevention and treatment of diseases and conditions of the skin mediated by cyclooxygenase (COX) and lipoxygenase (LOX). The method for preventing and treating COX and LOX mediated diseases and conditions of the skin is comprised of topically administering to a host in need thereof a therapeutically effective amount of a composition comprising a mixture of Free-B-Ring flavonoids and flavans synthesized and/or isolated from a single plant or multiple plants, preferably in the Scutellaria and Acacia genus of plants and pharmaceutically and/or cosmetically acceptable carriers. Finally the present invention provides a method for the prevention and treatment of COX and LOX mediated diseases and conditions, including but not limited to sun burns, thermal burns, acne, topical wounds, minor inflammatory conditions caused by fungal, microbial and viral infections, vitilago, systemic lupus erythromatosus, psoriasis, carcinoma, melanoma, as well as other mammal skin cancers, skin damage resulting from exposure to ultraviolet (UV) radiation, chemicals, heat, wind and dry environments, wrinkles, saggy skin, lines and dark circles around the eyes, dermatitis and other allergy related conditions of the skin. Use of the composition described herein also affords the benefit of smooth and youthful skin with improved elasticity, reduced and delayed aging, enhanced youthful appearance and texture, and increased flexibility, firmness, smoothness and suppleness.
대표청구항▼
1. A method for improving skin appearance, comprising administering to a host in need thereof an effective amount of a composition comprising a mixture of a Scutellaria extract enriched for Free-B-ring flavonoids containing baicalin and an Acacia extract enriched for flavans containing catechin or e
1. A method for improving skin appearance, comprising administering to a host in need thereof an effective amount of a composition comprising a mixture of a Scutellaria extract enriched for Free-B-ring flavonoids containing baicalin and an Acacia extract enriched for flavans containing catechin or epicatechin, wherein the weight ratio of Scutellaria extract to Acacia extract in the composition ranges from 10:90 to 90:10, respectively. 2. The method of claim 1, wherein each of the Scutellaria extract and the Acacia extract is independently obtained from a plant part, wherein the plant part is stems, stem barks, trunks, trunk barks, twigs, tubers, roots, root barks, young shoots, seeds, rhizomes, flowers or other reproductive organs or leaves or other aerial parts. 3. The method of claim 1, wherein the Scutellaria is selected from Scutellaria baicalensis, Scutellaria lateriflora, Scutellaria radix or Scutellaria orthocalyx. 4. The method of claim 1, wherein one or more of the Free-B-Ring flavonoids of the Scutellaria extract have the following structure wherein R1, R2, R3, R4, and R5 are independently —H, —OH, —SH, —OR, —SR, —NH2, —NHR, —NR2, —NR3+X−, a carbon, oxygen, nitrogen or sulfur, glycoside of a single or a combination of multiple sugars, wherein the sugars comprise aldopentoses, methyl-aldopentose, aldohexoses, ketohexose or derivatives thereof;wherein R is an alkyl group having between 1-10 carbon atoms; andX is hydroxyl, chloride, iodide, sulfate, phosphate, acetate, fluoride or carbonate. 5. The method claim 1, wherein the Acacia is selected from a Acacia catechu, Acacia concinna, Acacia farnesiana, Acacia Senegal, Acacia speciosa, Acacia arabica, A. caesia, A. pennata, A. sinuata. A. mearnsii, A. picnantha, A. dealbata, A. auriculiformis, A. holoserecia and A. mangium plant species. 6. The method of claim 1, wherein one or more of the flavans of the Acacia extract have the following structure: wherein R1, R2, R3, R4 and R5 are independently H, —OH, —SH, —OCH3, —SCH3, —OR, —SR, —NH2, —NRH, —NR2, —NR3+X−, a gallate ester, an acetate ester, a cinnamoylester, a hydroxyl-cinnamoyl ester, a trihydroxybenzoyl ester, a caffeoyl ester, a carbon, oxygen, nitrogen or sulfur glycoside of a single, or a combination of multiple sugars, wherein the sugars comprise aldopentoses, methyl aldopentose, aldohexoses, ketohexose or derivatives thereof or dimer, trimer or other polymerized flavans;wherein R is an alkyl group having between 1-10 carbon atoms; andX is hydroxyl, chloride, iodide, sulfate, phosphate, acetate, fluoride or carbonate. 7. The method of claim 1, wherein the weight ratio of Scutellaria extract to Acacia extract in the composition is about 12:88, 15:85, or 20:80. 8. The method of claim 1, wherein the improved skin appearance is selected from enhanced youthful appearance, smooth and youthful skin with improved elasticity, enhanced texture, increased flexibility, increased firmness, increased smoothness, or increased suppleness of the skin. 9. The method of claim 1, wherein the improved skin appearance is selected from reduced wrinkles, reduced saggy skin, reduced lines and dark circles around the eyes, or reduced and delayed aging. 10. The method of claim 1, wherein the improved skin appearance comprises enhanced youthful appearance of the skin. 11. The method of claim 1, wherein the composition is administered orally. 12. The method of claim 1, wherein the composition is administered topically. 13. The method of claim 11, wherein the composition is topically administered using a nonsticking gauze, a bandage, a swab, a cloth wipe, a patch, a mask, a protectant, a cleanser, an antiseptic, a solution, a cream, a lotion, an ointment, a gel or an emulsion, a liquid, a paste, a soap, or a powder. 14. The method of claim 1, wherein the composition further comprises an excipient that is dermatologically or cosmetically suitable for topical application. 15. The method of claim 14, further comprising an adjuvant, a carrier, a regular or controlled releasing vehicle, or any combination thereof. 16. The method of claim 1, wherein the composition is administered as a dermatological or cosmetic formulation comprising from 0.001 weight percent (wt %) to 40.0 wt % of the extract mixture in a dermatologically or cosmetically acceptable carrier. 17. The method of claim 16, wherein the dermatological or cosmetic formulation comprises from 0.5 wt % to 1.5 wt % of the extract mixture. 18. A method for treating diseases or conditions of the skin, the method comprising administering to a host in need thereof an effective amount of a composition comprising a mixture of a Scutellaria extract enriched for Free-B-ring flavonoids containing baicalin and an Acacia extract enriched for flavans containing catechin or epicatechin, wherein the weight ratio of Scutellaria extract to Acacia extract in the composition ranges from 10:90 to 90:10, respectively, andwherein the diseases or conditions of the skin are cyclooxygenase (COX) and lipoxygenase (LOX) mediated diseases or conditions of the skin. 19. The method of claim 18, wherein each of the Scutellaria extract and the Acacia extract is independently obtained from a plant part, wherein the plant part is stems, stem barks, trunks, trunk barks, twigs, tubers, roots, root barks, young shoots, seeds, rhizomes, flowers or other reproductive organs or leaves or other aerial parts. 20. The method of claim 18, wherein the Scutellaria is selected from Scutellaria baicalensis, Scutellaria lateriflora, Scutellaria radix or Scutellaria orthocalyx. 21. The method of claim 18, wherein one or more of the Free-B-Ring flavonoids of the Scutellaria extract have the following structure: wherein R1, R2, R3, R4, and R5 are independently —H, —OH, —SH, —OR, —SR, —NH2, —NHR, —NR2, —NR3+X−, a carbon, oxygen, nitrogen or sulfur, glycoside of a single or a combination of multiple sugars, wherein the sugars comprise aldopentoses, methyl-aldopentose, aldohexoses, ketohexose or derivatives thereof;wherein R is an alkyl group having between 1-10 carbon atoms; andX is hydroxyl, chloride, iodide, sulfate, phosphate, acetate, fluoride or carbonate. 22. The method claim 18, wherein the Acacia is selected from a Acacia catechu, Acacia concinna, Acacia farnesiana, Acacia Senegal, Acacia speciosa, Acacia arabica, A. caesia, A. pennata, A. sinuata. A. mearnsii, A. picnantha, A. dealbata, A. auriculiformis, A. holoserecia and A. mangium plant species. 23. The method of claim 18, wherein one or more of the flavans of the Acacia extract have the following structure: wherein R1, R2, R3, R4 and R5 are independently H, —OH, —SH, —OCH3, —SCH3, —OR, —SR, —NH2, —NRH, —NR2, —NR3+X−, a gallate ester, an acetate ester, a cinnamoylester, a hydroxyl-cinnamoyl ester, a trihydroxybenzoyl ester, a caffeoyl ester, a carbon, oxygen, nitrogen or sulfur glycoside of a single, or a combination of multiple sugars, wherein the sugars comprise, aldopentoses, methyl aldopentose, aldohexoses, ketohexose or derivatives thereof or dimer, trimer or other polymerized flavans;wherein R is an alkyl group having between 1-10 carbon atoms; andX is hydroxyl, chloride, iodide, sulfate, phosphate, acetate, fluoride or carbonate. 24. The method of claim 18, wherein the weight ratio of Scutellaria extract to Acacia extract in the composition is about 12:88, 15:85, or 20:80. 25. The method of claim 18, wherein the disease or condition of the skin is skin damage resulting from a topical wound or exposure to ultraviolet (UV) radiation, a chemical, heat, wind or a dry environment. 26. The method of claim 18, wherein the disease or condition of the skin is a sun burn, a thermal burn, or a minor inflammatory condition caused by fungal, microbial or viral infection, carcinoma, melanoma or other mammalian skin cancers, acne, sensitive skin, dermatitis, allergy-related conditions, vitiligo, systemic lupus erythematosus, or psoriasis. 27. The method of claim 18, wherein the disease or condition of the skin is a carcinoma, melanoma or other mammalian skin cancer. 28. The method of claim 18, wherein the disease or condition of the skin is an allergy-related condition, dermatitis, vitiligo, systemic lupus erythematosus, or psoriasis. 29. The method of claim 18, wherein the composition is administered orally. 30. The method of claim 18, wherein the composition is administered topically. 31. The method of claim 30, wherein the composition is topically administered using a nonsticking gauze, a bandage, a swab, a cloth wipe, a patch, a mask, a protectant, a cleanser, an antiseptic, a solution, a cream, a lotion, an ointment, a gel or an emulsion, a liquid, a paste, a soap, or a powder. 32. The method of claim 18, wherein the composition further comprises an excipient that is dermatologically or cosmetically suitable for topical application. 33. The method of claim 32, further comprising an adjuvant, a carrier, a regular or controlled releasing vehicle, or any combination thereof. 34. The method of claim 18, wherein the composition is administered as a dermatological or cosmetic formulation comprising from 0.001 weight percent (wt %) to 40.0 wt % of the extract mixture in a dermatologically or cosmetically acceptable carrier. 35. The method of claim 34, wherein the dermatological or cosmetic formulation comprises from 0.5 wt % to 1.5 wt % of the extract mixture.
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