US20160158131A1 - Compositions and Methods for Stimulating Collagen Synthesis in the Skin - Google Patents
Compositions and Methods for Stimulating Collagen Synthesis in the Skin Download PDFInfo
- Publication number
- US20160158131A1 US20160158131A1 US15/042,918 US201615042918A US2016158131A1 US 20160158131 A1 US20160158131 A1 US 20160158131A1 US 201615042918 A US201615042918 A US 201615042918A US 2016158131 A1 US2016158131 A1 US 2016158131A1
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- United States
- Prior art keywords
- alkyl
- skin
- bond
- group
- composition according
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 16
- 108010035532 Collagen Proteins 0.000 title description 29
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- 229920001436 collagen Polymers 0.000 title description 29
- 230000015572 biosynthetic process Effects 0.000 title description 6
- 230000004936 stimulating effect Effects 0.000 title description 4
- 238000003786 synthesis reaction Methods 0.000 title description 3
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- 125000003118 aryl group Chemical group 0.000 claims description 26
- 229910052717 sulfur Inorganic materials 0.000 claims description 22
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 229930195733 hydrocarbon Natural products 0.000 claims description 18
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 17
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- 125000000852 azido group Chemical group *N=[N+]=[N-] 0.000 claims description 3
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- NCTHNHPAQAVBEB-WGCWOXMQSA-M sodium ferulate Chemical compound [Na+].COC1=CC(\C=C\C([O-])=O)=CC=C1O NCTHNHPAQAVBEB-WGCWOXMQSA-M 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 239000001587 sorbitan monostearate Substances 0.000 description 1
- 235000011076 sorbitan monostearate Nutrition 0.000 description 1
- 229940035048 sorbitan monostearate Drugs 0.000 description 1
- 229960005078 sorbitan sesquioleate Drugs 0.000 description 1
- 239000001589 sorbitan tristearate Substances 0.000 description 1
- 235000011078 sorbitan tristearate Nutrition 0.000 description 1
- 229960004129 sorbitan tristearate Drugs 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229940098760 steareth-2 Drugs 0.000 description 1
- 229940100459 steareth-20 Drugs 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 229940033123 tannic acid Drugs 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
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- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000003573 thiols Chemical group 0.000 description 1
- 238000011200 topical administration Methods 0.000 description 1
- ZCIHMQAPACOQHT-ZGMPDRQDSA-N trans-isorenieratene Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/c1c(C)ccc(C)c1C)C=CC=C(/C)C=Cc2c(C)ccc(C)c2C ZCIHMQAPACOQHT-ZGMPDRQDSA-N 0.000 description 1
- 238000011269 treatment regimen Methods 0.000 description 1
- 229960001727 tretinoin Drugs 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- LINXHFKHZLOLEI-UHFFFAOYSA-N trimethyl-[phenyl-bis(trimethylsilyloxy)silyl]oxysilane Chemical compound C[Si](C)(C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C1=CC=CC=C1 LINXHFKHZLOLEI-UHFFFAOYSA-N 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Chemical group 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 235000019155 vitamin A Nutrition 0.000 description 1
- 239000011719 vitamin A Substances 0.000 description 1
- 229940045997 vitamin a Drugs 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
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- OENHQHLEOONYIE-JLTXGRSLSA-N β-Carotene Chemical compound CC=1CCCC(C)(C)C=1\C=C\C(\C)=C\C=C\C(\C)=C\C=C\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C OENHQHLEOONYIE-JLTXGRSLSA-N 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
- A61K31/415—1,2-Diazoles
- A61K31/4155—1,2-Diazoles non condensed and containing further heterocyclic rings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
- A61K31/5375—1,4-Oxazines, e.g. morpholine
- A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/4946—Imidazoles or their condensed derivatives, e.g. benzimidazoles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/496—Triazoles or their condensed derivatives, e.g. benzotriazoles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/02—Preparations for care of the skin for chemically bleaching or whitening the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/06—Preparations for care of the skin for countering cellulitis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/08—Anti-ageing preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/74—Biological properties of particular ingredients
- A61K2800/78—Enzyme modulators, e.g. Enzyme agonists
Definitions
- the present invention relates generally to compositions and methods for topical application to the skin which comprise substituted carbamoyl heterocyclic analogs and the use of such compositions to improve the aesthetic appearance of the skin.
- Collagen is the body's major structural protein and is composed of three protein chains wound together in a tight triple helix. This unique structure gives collagen a greater tensile strength than steel. Approximately 33 percent of the protein in the body is collagen. This protein supports tissues and organs and connects these structures to bones. In fact, bones are also composed of collagen combined with certain minerals such as calcium and phosphorus. Collagen plays a key role in providing the structural scaffolding surrounding cells that helps to support cell shape and differentiation, similar to how steel rods reinforce a concrete block. The mesh-like collagen network binds cells together and provides the supportive framework or environment in which cells develop and function, and tissues and bones heal.
- Collagen is created by fibroblasts, which are specialized skin cells located in the dermis. Fibroblasts also produce other skin structural proteins such as elastin (a protein which gives the skin its ability to snap back) and glucosaminoglycans (GAGs). GAGs make up the ground substance that keeps the dermis hydrated.
- fibroblast cells In order to signal or turn on the production of skin structural proteins, fibroblast cells have specially shaped receptors on their outside membranes that act as binding sites to which signal molecules with a matching shape can fit. When the receptors are bound by the correct combination of signal molecules (called fibroblast growth factors, or FGFs), the fibroblast begins the production of collagen. The stimulation of collagen gives the skin its strength, durability, and smooth, plump appearance.
- FGFs fibroblast growth factors
- substituted carbamoyl heterocyclic analogs are stimulators of collagen, and thus are beneficial agents against various signs of intrinsic aging and photo-aging of skin.
- a method for improving the aesthetic appearance of human skin comprising topically applying to an area of the skin in need thereof an effective amount of a substituted carbamoyl heterocyclic analog or a cosmetically acceptable salt thereof in a cosmetically acceptable vehicle.
- cosmetic compositions for improving the aesthetic appearance of skin comprising, in a cosmetically acceptable vehicle, an effective amount of a substituted carbamoyl heterocyclic analog having the structure of formula I:
- ⁇ 1 - ⁇ 3 are independently selected from CR a , N, or NR b , and wherein the ring A is optionally aromatic or may comprise zero, one, or two double bonds;
- ⁇ 1 , ⁇ 2 , or ⁇ 3 is NR b ; and in the case where ⁇ 3 is NR b , then ⁇ 2 is a nitrogen atom, and the bond between ⁇ 1 and ⁇ 2 is a double bond; in the case where ⁇ 2 is NR b , then ⁇ 1 is a nitrogen atom, and the bond between ⁇ 1 and the carbon atom to which R 1 is attached is a double bond; and in the case where ⁇ 1 is NR b , then ⁇ 2 is a nitrogen atom, and the bond between ⁇ 2 and ⁇ 3 is a double bond;
- R b is an aryl group of the form
- R 1 is selected from a group consisting of H, or a C 1-20 hydrocarbons, independently selected from alkyl, cycloalkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, alkylaryl, heteroalkyl, heteroarylalkyl, arylalkyl, aryl, aminoalkyl, aminoalkylheteroaryl, alkyloxyaryl, alkyloxyheteroaryl, or heteroaryl group optionally substituted with one or more C 1-20 alkyl, alkenyl, alkynyl, aryl, or R a groups;
- R 2 and R 3 are independently selected from the group consisting of C 1-6 alkyl, alkenyl, alkynyl, and aryl, which could be optionally connected to form together with the nitrogen atom to which they are attached a 5, 6, or 7 membered ring, saturated or unsaturated, which optionally further comprises one or more heteroatoms in the ring, selected from oxygen, nitrogen, or sulfur, and wherein R 2 and R 3 are optionally substituted with one or more groups R a ;
- R 4 -R 8 are independently selected from the group consisting of R a , C 1-6 alkyl, alkenyl, alkynyl, and aryl, each of which could be optionally further substituted with one or more groups R a ;
- R a is independently, at each occurrence, selected from hydrogen, halogen (F, Cl, Br, or I); —OH; —NH 2 ; —NR N R N ; —SH; —CN; oxo; —CHO; —CO 2 H; —O—(C ⁇ O)—H; —O—(C ⁇ O)—C 1-10 alkyl; —O—(C ⁇ O)-Ar; —(C ⁇ O)—O—C 1-10 alkyl; —(C ⁇ O)—O—Ar; —(C ⁇ O)—NR N R N ; —O—C 1-10 alkyl; —O—Ar; —S—C 1-10 alkyl; —S—Ar; —Ar; —C 1-10 alkyl; —NR N —CHO; —NR N —(C ⁇ O)—C 1-10 alkyl; —C 1-10 alkyl-O—C 1-10 alkyl; perfluor
- R N is independently selected, at each occurrence, from hydrogen or a C 1-16 hydrocarbon radical, optionally substituted with a group R a ; and where any two adjacent groups R N may together form a 5, 6, or 7 membered ring;
- any two adjacent R groups can be taken together to form a 5-7 member ring, saturated or unsaturated, optionally incorporating O, S, N heteroatoms or substituted with alkyl, haloalkyl, or alkoxy groups;
- Also provided is a method of treating one or more signs of skin aging comprising topically applying to skin in need thereof a collagen-stimulating substituted carbamoyl heterocyclic analog according to formula I or a cosmetically acceptable salt thereof.
- a method of treating, reducing, and/or preventing fine lines and/or wrinkles, sagging in human skin, loss of elasticity and molting comprising topically applying to skin in need thereof, including applying directly to a wrinkle or fine line, a composition comprising a collagen-stimulating substituted carbamoyl heterocyclic analog according to formula I or a cosmetically acceptable salt thereof.
- compositions for topical application which comprise an effective amount of substituted carbamoyl heterocyclic analogs or a related compound to treat, reverse, ameliorate and/or prevent signs of skin aging.
- signs of skin aging include without limitation, the following:
- compositions of the invention are applied to skin in need of treatment. That is, skin which suffers from a deficiency or loss in any of the foregoing attributes or which would otherwise benefit from improvement in any of the foregoing skin attributes.
- compositions and methods of the invention are directed to the prevention, treatment, and/or amelioration of fine lines and/or wrinkles in the skin.
- the compositions are applied to skin in need of treatment, by which is meant skin having wrinkles and/or fine lines.
- the compositions are applied directly to the fine lines and/or wrinkles.
- the compositions and methods are suitable for treating fine lines and/or wrinkles on any surface of the skin, including without limitation, the skin of the face, neck, and/or hands.
- compositions for treating a skin condition associated with loss of collagen and/or elastin fiber comprise, in a cosmetically acceptable vehicle, an amount of a substituted carbamoyl heterocyclic analogs effective to enhance collagen.
- These collagen enhancing/stimulating agents may have the structure of formula (I):
- ⁇ 1 - ⁇ 3 are independently selected from CR a , N, or NR b , and wherein the ring A is optionally aromatic or may comprise zero, one, or two double bonds;
- ⁇ 1 , ⁇ 2 , or ⁇ 3 is NR b ; and in the case where ⁇ 3 is NR b , then ⁇ 2 is a nitrogen atom, and the bond between ⁇ 1 and ⁇ 2 is a double bond; in the case where ⁇ 2 is NR b , then ⁇ 1 is a nitrogen atom, and the bond between ⁇ 1 and the carbon atom to which R 1 is attached is a double bond; and in the case where ⁇ 1 is NR b , then ⁇ 2 is a nitrogen atom, and the bond between ⁇ 2 and ⁇ 3 is a double bond;
- R b is an aryl group of the form
- R 1 is selected from a group consisting of H, or a C 1-20 hydrocarbons, independently selected from alkyl, cycloalkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, alkylaryl, heteroalkyl, heteroarylalkyl, arylalkyl, aryl, aminoalkyl, aminoalkylheteroaryl, alkyloxyaryl, alkyloxyheteroaryl, or heteroaryl group optionally substituted with one or more C 1-20 alkyl, alkenyl, alkynyl, aryl, or R a groups;
- R 2 and R 3 are independently selected from the group consisting of C 1-6 alkyl, alkenyl, alkynyl, and aryl, which could be optionally connected to form together with the nitrogen atom to which they are attached a 5, 6, or 7 membered ring, saturated or unsaturated, which optionally further comprises one or more heteroatoms in the ring, selected from oxygen, nitrogen, or sulfur, and wherein R 2 and R 3 are optionally substituted with one or more groups R a ;
- R 4 -R 8 are independently selected from the group consisting of R a , C 1-6 alkyl, alkenyl, alkynyl, and aryl, each of which could be optionally further substituted with one or more groups R a ;
- R a is independently, at each occurrence, selected from hydrogen, halogen (F, Cl, Br, or I); —OH; —NH 2 ; —NR N R N ; —SH; —CN; oxo; —CHO; —CO 2 H; —O—(C ⁇ O)—H; —O—(C ⁇ O)—C 1-10 alkyl; —O—(C ⁇ O)-Ar; —(C ⁇ O)—O—C 1-10 alkyl; —(C ⁇ O)—O—Ar; —(C ⁇ O)—NR N R N ; —O—C 1-10 alkyl; —O—Ar; —S—C 1-10 alkyl; —S—Ar; —Ar; —C 1-10 alkyl; —NR N —CHO; —NR N —(C ⁇ O)—C 1-10 alkyl; —C 1-10 alkyl-O—C 1-10 alkyl; perfluor
- R N is independently selected, at each occurrence, from hydrogen or a C 1-16 hydrocarbon radical, optionally substituted with a group R a ; and where any two adjacent groups R N may together form a 5, 6, or 7 membered ring;
- any two adjacent R groups can be taken together to form a 5-7 member ring, saturated or unsaturated, optionally incorporating O, S, N heteroatoms or substituted with alkyl, haloalkyl, or alkoxy groups;
- any two adjacent R groups can be taken together to form a 5-7 member ring, saturated or unsaturated, optionally incorporating O, S, and/or N heteroatoms or substituted with alkyl, haloalkyl, or alkoxy groups;
- any R group may be optionally substituted with one or more substituents selected independently at each occurrence from hydrogen; —F; —Cl; —Br; —I; —OH, —OR*; —NH 2 ; —NHR*; —N(R*) 2 ; —N(R*) 3 +; —N(R*)—OH; —N( ⁇ O)(R*) 2 ; —O—N(R*) 2 ; —N(R*)—O—R*; —N(R*)—N(R*) 2 ; —C ⁇ N—R*; —N ⁇ C(R*) 2 ; —C ⁇ N—N(R*) 2 ; —C( ⁇ NR*)—N(R*) 2 ; —SH; —SR*; —CN; —NC; —CHO; —CO 2 H; —CO 2 —; —CO 2 R*; —(C ⁇ O)—S—S—
- Any nitrogen atom may be optionally oxidized to the N-oxide or can be quarternized, for example with lower alkyl halides, such as methyl, ethyl, propyl, and butyl chloride, bromides, and iodides; dialkyl sulfates like dimethyl, diethyl, dibutyl, and diamyl sulfates, long chain halides such as decyl, lauryl, myristyl and stearyl chlorides, bromides and iodides, aralkyl halides such as benzyl and phenethyl bromides, to name a few.
- lower alkyl halides such as methyl, ethyl, propyl, and butyl chloride, bromides, and iodides
- dialkyl sulfates like dimethyl, diethyl, dibutyl, and diamyl sulfates, long chain halides such as
- ⁇ 1 is preferably a nitrogen atom
- ⁇ 2 is a group NR b when R b is a substituted aryl ring
- the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Ia):
- R 1 , and R 4 -R 8 , R a , and R N are as defined as above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CR a , C(R a ) 2 , N, O, S, NR N , or a bond (i.e. absent);
- L 1 and L 2 are independently selected from a bond or a group X 1 -(L 3 ) l -X 2 , where “l” is an integer from 0 to 4; where L 3 is selected from CR a , C(R a ) 2 , or a bond; and X 1 and X 2 are independently selected from N, NR N , O, S, or a bond; or a cosmetically acceptable salt thereof.
- L 1 is —(CH 2 ) m —
- L 2 is —(CH 2 ) n —, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NR N , S, O, or a bond; or a cosmetically acceptable salt thereof.
- the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- ⁇ 2 is preferably a nitrogen atom
- ⁇ 3 is a group NR b when R b is a substituted aryl ring
- the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Ib):
- R 1 , and R 4 -R 8 , R a , and R N are as defined above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CR a , C(R a ) 2 , N, O, S, NR N , or a bond (i.e. absent);
- L 1 and L 2 are independently selected from a bond or a group X 1 -(L 3 ) l -X 2 , where “l” is an integer from 0 to 4; where L 3 is selected from CR a , C(R a ) 2 , or a bond; and X 1 and X 2 are independently selected from N, NR N , O, S, or a bond; or a cosmetically acceptable salt thereof.
- L 1 is —(CH 2 ) m —
- L 2 is —(CH 2 ) n —, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NR N , S, O, or a bond; or a cosmetically acceptable salt thereof.
- the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- ⁇ 1 and ⁇ 2 are preferably nitrogen atoms
- ⁇ 3 is a group NR b when R b is a substituted aryl ring
- the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Ic):
- R 1 , and R 4 -R 8 , R a , and R N are as defined as above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CR a , C(R a ) 2 , N, O, S, NR N , or a bond (i.e. absent);
- L 1 and L 2 are independently selected from a bond or a group X 1 -(L 3 ) l -X 2 , where “l” is an integer from 0 to 4; where L 3 is selected from CR a , C(R a ) 2 , or a bond; and X 1 and X 2 are independently selected from N, NR N , O, S, or a bond; or a cosmetically acceptable salt thereof.
- L 1 is —(CH 2 ) m —
- L 2 is —(CH 2 ) n —, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NR N , S, O, or a bond; or a cosmetically acceptable salt thereof.
- the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- ⁇ 2 and ⁇ 3 are preferably nitrogen atoms
- ⁇ 1 is a group NR b when R b is a substituted aryl ring
- the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Id):
- R 1 , and R 4 -R 8 , R a , and R N are as defined as above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CR a , C(R a ) 2 , N, O, S, NR N , or a bond (i.e. absent);
- L 1 and L 2 are independently selected from a bond or a group X 1 -(L 3 ) l -X 2 , where “l” is an integer from 0 to 4; where L 3 is selected from CR a , C(R a ) 2 , or a bond; and X 1 and X 2 are independently selected from N, NR N , O, S, or a bond; or a cosmetically acceptable salt thereof.
- L 1 is —(CH 2 ) m —
- L 2 is —(CH 2 ) n —, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NR N , S, O, or a bond; or a cosmetically acceptable salt thereof.
- the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups R a , or a cosmetically acceptable salt thereof.
- the invention embraces the use of cosmetically or pharmaceutically acceptable (e.g., non-toxic and/or non-irritating) salts.
- the salts of the compounds in the present invention include salts with alkali metals such as sodium and potassium; salts with alkaline-earth metals such as calcium and magnesium; salts with amines such as monoethanolamine; salts with inorganic acids such as hydrochloric acid and sulfuric acid; and salts with organic acids such as citric acid and acetic acid. Special mention may be made of hydrochloride salts.
- compositions according to the invention can be formulated in a variety of forms for topical application and will comprise from about 0.0001% to about 1% by weight of one or more compounds according to formula (I), and preferably will comprise from about 0.001% to about 0.5% by weight, and more preferably from about 0.01% to about 0.2% by weight.
- the compositions will comprise an effective amount of the substituted carbamoyl heterocyclic analog compounds according to formula (I), by which is meant an amount sufficient to enhance collagen and/or stimulate collagen in a given area of skin when topically applied thereto.
- the composition may be formulated in a variety of product forms, such as, for example, a lotion, cream, serum, spray, aerosol, cake, ointment, essence, gel, paste, patch, pencil, towelette, mask, stick, foam, elixir, concentrate, and the like, particularly for topical administration.
- a lotion, cream, serum, spray, aerosol, cake, ointment, essence, gel, paste, patch, pencil, towelette, mask, stick, foam, elixir, concentrate, and the like particularly for topical administration.
- the composition is formulated as a lotion, cream, ointment, or gel.
- compositions can include a cosmetically acceptable vehicle.
- vehicles may take the form of any known in the art suitable for application to skin and may include water; vegetable oils; mineral oils; esters such as octal palmitate, isopropyl myristate and isopropyl palmitate; ethers such as dicapryl ether and dimethyl isosorbide; alcohols such as ethanol and isopropanol; fatty alcohols such as cetyl alcohol, cetearyl alcohol, stearyl alcohol and biphenyl alcohol; isoparaffins such as isooctane, isododecane and is hexadecane; silicone oils such as cyclomethicone, dimethicone, dimethicone cross-polymer, polysiloxanes and their derivatives, preferably organomodified derivatives; hydrocarbon oils such as mineral oil, petrolatum, isoeicosane and polyisobutene; polyols such as propylene glycol, glycerin
- the vehicle may comprise an aqueous phase, an oil phase, an alcohol, a silicone phase or mixtures thereof.
- the cosmetically acceptable vehicle may also comprise an emulsion.
- suitable emulsions include water-in-oil emulsions, oil-in-water emulsions, silicone-in-water emulsions, water-in-silicone emulsions, wax-in-water emulsions, water-oil-water triple emulsions or the like having the appearance of a cream, gel or microemulsions.
- the emulsion may include an emulsifier, such as a nonionic, anionic or amphoteric surfactant.
- the oil phase of the emulsion preferably has one or more organic compounds, including emollients; humectants (such as propylene glycol and glycerin); other water-dispersible or water-soluble components including thickeners such as veegum or hydroxyalkyl cellulose; gelling agents, such as high MW polyacrylic acid, i.e. CARBOPOL 934; and mixtures thereof.
- the emulsion may have one or more emulsifiers capable of emulsifying the various components present in the composition.
- the compounds suitable for use in the oil phase include without limitation, vegetable oils; esters such as octyl palmitate, isopropyl myristate and isopropyl palmitate; ethers such as dicapryl ether; fatty alcohols such as cetyl alcohol, stearyl alcohol and behenyl alcohol; isoparaffins such as isooctane, isododecane and isohexadecane; silicone oils such as dimethicones, cyclic silicones, and polysiloxanes; hydrocarbon oils such as mineral oil, petrolatum, isoeicosane and polyisobutene; natural or synthetic waxes; and the like. Suitable hydrophobic hydrocarbon oils may be saturated or unsaturated, have an aliphatic character and be straight or branched chained or contain alicyclic or aromatic rings.
- the oil-containing phase may be composed of a singular oil or mixtures of different oils.
- Hydrocarbon oils include those having 6-20 carbon atoms, more preferably 10-16 carbon atoms.
- Representative hydrocarbons include decane, dodecane, tetradecane, tridecane, and C 8-20 isoparaffins.
- Paraffinic hydrocarbons are available from Exxon under the ISOPARS trademark, and from the Permethyl Corporation.
- C 8-20 paraffinic hydrocarbons such as C12 isoparaffin (isododecane) manufactured by the Permethyl Corporation having the tradename Permethyl 99 ATM are also contemplated to be suitable.
- C 16 isoparaffins such as isohexadecane (having the tradename Permethyl®) are also suitable.
- Examples of preferred volatile hydrocarbons include polydecanes such as isododecane and isodecane, including for example, Permethyl-99A (Presperse Inc.) and the C 7 -C 8 through C 12 -C 15 isoparaffins such as the Isopar Series available from Exxon Chemicals.
- a representative hydrocarbon solvent is isododecane.
- the oil phase may comprise one or more waxes, including for example, rice bran wax, carnauba wax, ouricurry wax, candelilla wax, montan waxes, sugar cane waxes, ozokerite, polyethylene waxes, Fischer-Tropsch waxes, beeswax, microcrystaline wax, silicone waxes, fluorinated waxes, and any combination thereof.
- waxes including for example, rice bran wax, carnauba wax, ouricurry wax, candelilla wax, montan waxes, sugar cane waxes, ozokerite, polyethylene waxes, Fischer-Tropsch waxes, beeswax, microcrystaline wax, silicone waxes, fluorinated waxes, and any combination thereof.
- Non-limiting emulsifiers included emulsifying waxes, emulsifying polyhydric alcohols, polyether polyols, polyethers, mono- or di-ester of polyols, ethylene glycol mono-stearates, glycerin mono-stearates, glycerin di-stearates, silicone-containing emulsifiers, soya sterols, fatty alcohols such as cetyl alcohol, fatty acids such as stearic acid, fatty acid salts, and mixtures thereof.
- the preferred emulsifiers include soya sterol, cetyl alcohol, stearic acid, emulsifying wax, and mixtures thereof.
- emulsifiers typically will be present in the composition in an amount from about 0.001% to about 10% by weight, in particular in an amount from about 0.01% to about 5% by weight, and more preferably, below 1% by weight.
- the oil phase may comprise one or more volatile and/or non-volatile silicone oils.
- Volatile silicones include cyclic and linear volatile dimethylsiloxane silicones.
- the volatile silicones may include cyclodimethicones, including tetramer (D4), pentamer (D5), and hexamer (D6) cyclomethicones, or mixtures thereof. Particular mention may be made of the volatile cyclomethicone-hexamethyl cyclotrisiloxane, octamethyl-cyclotetrasiloxane, and decamethyl-cyclopentasiloxane.
- Suitable dimethicones are available from Dow Corning under the name Dow Corning 200® Fluid and have viscosities ranging from 0.65 to 600,000 centistokes or higher.
- Suitable non-polar, volatile liquid silicone oils are disclosed in U.S. Pat. No. 4,781,917, herein incorporated by reference in its entirety. Additional volatile silicones materials are described in Todd et al., “Volatile Silicone Fluids for Cosmetics”, Cosmetics and Toiletries, 91:27-32 (1976), herein incorporated by reference in its entirety.
- Linear volatile silicones generally have a viscosity of less than about 5 centistokes at 25° C., whereas the cyclic silicones have viscosities of less than about 10 centistokes at 25° C.
- volatile silicones of varying viscosities include Dow Corning 200, Dow Corning 244, Dow Corning 245, Dow Corning 344, and Dow Corning 345, (Dow Corning Corp.); SF-1204 and SF-1202 Silicone Fluids (G.E. Silicones), GE 7207 and 7158 (General Electric Co.); and SWS-03314 (SWS Silicones Corp.).
- Linear, volatile silicones include low molecular weight polydimethylsiloxane compounds such as hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, and dodecamethylpentasiloxane, to name a few.
- Non-volatile silicone oils will typically comprise polyalkylsiloxanes, polyarylsiloxanes, polyalkylarylsiloxanes, or mixtures thereof. Polydimethylsiloxanes are preferred non-volatile silicone oils.
- the non-volatile silicone oils will typically have a viscosity from about 10 to about 60,000 centistokes at 25° C., preferably between about 10 and about 10,000 centistokes, and more preferred still between about 10 and about 500 centistokes; and a boiling point greater than 250° C. at atmospheric pressure.
- Non limiting examples include dimethyl polysiloxane (dimethicone), phenyl trimethicone, and diphenyldimethicone.
- volatile and non-volatile silicone oils may optionally be substituted will various functional groups such as alkyl, aryl, amine groups, vinyl, hydroxyl, haloalkyl groups, alkylaryl groups, and acrylate groups, to name a few.
- the water-in-silicone emulsion may be emulsified with a nonionic surfactant (emulsifier) such as, for example, polydiorganosiloxane-polyoxyalkylene block copolymers, including those described in U.S. Pat. No. 4,122,029, the disclosure of which is hereby incorporated by reference.
- a nonionic surfactant emulsifier
- polydiorganosiloxane-polyoxyalkylene block copolymers including those described in U.S. Pat. No. 4,122,029, the disclosure of which is hereby incorporated by reference.
- emulsifiers generally comprise a polydiorganosiloxane backbone, typically polydimethylsiloxane, having side chains comprising -(EO)m- and/or —(PO)n- groups, where EO is ethyleneoxy and PO is 1,2-propyleneoxy, the side chains being typically capped or terminated with hydrogen or lower alkyl groups (e.g., C 1-6 , typically C 1-3 ).
- EO ethyleneoxy
- PO 1,2-propyleneoxy
- Other suitable water-in-silicone emulsifiers are disclosed in U.S. Pat. No. 6,685,952, the disclosure of which is hereby incorporated by reference herein.
- water-in-silicone emulsifiers include those available from Dow Corning under the trade designations 3225C and 5225C Formulation Aid; Silicone SF-1528 available from General Electric; ABIL EM 90 and EM 97, available from Goldschmidt Chemical Corporation (Hopewell, Va.); and the SILWET series of emulsifiers sold by OSI Specialties (Danbury, Conn.).
- water-in-silicone emulsifiers include, but are not limited to, dimethicone PEG 10/15 crosspolymer, dimethicone copolyol, cetyl dimethicone copolyol, PEG-15 lauryl dimethicone crosspolymer, laurylmethicone crosspolymer, cyclomethicone and dimethicone copolyol, dimethicone copolyol (and) caprylic/capric triglycerides, polyglyceryl-4 isostearate (and) cetyl dimethicone copolyol (and) hexyl laurate, and dimethicone copolyol (and) cyclopentasiloxane.
- water-in-silicone emulsifiers include, without limitation, PEG/PPG-18/18 dimethicone (trade name 5225C, Dow Corning), PEG/PPG-19/19 dimethicone (trade name BY25-337, Dow Corning), Cetyl PEG/PPG-10/1 dimethicone (trade name Abil EM-90, Goldschmidt Chemical Corporation), PEG-12 dimethicone (trade name SF 1288, General Electric), lauryl PEG/PPG-18/18 methicone (trade name 5200 FORMULATION AID, Dow Corning), PEG-12 dimethicone crosspolymer (trade name 9010 and 9011 silicone elastomer blend, Dow Corning), PEG-10 dimethicone crosspolymer (trade name KSG-20, Shin-Etsu), and dimethicone PEG-10/15 crosspolymer (trade name KSG-210, Shin-Etsu).
- the water-in-silicone emulsifiers typically will be present in the composition in an amount from about 0.001% to about 10% by weight, in particular in an amount from about 0.01% to about 5% by weight, and more preferably, below 1% by weight.
- the aqueous phase of the emulsion may include one or more additional solvents, including lower alcohols, such as ethanol, isopropanol, and the like.
- the volatile solvent may also be a cosmetically acceptable ester such as butyl acetate or ethyl acetate; ketones such as acetone or ethyl methyl ketone; or the like.
- the oil-containing phase will typically comprise from about 10% to about 99%, preferably from about 20% to about 85%, and more preferably from about 30% to about 70% by weight, based on the total weight of the emulsion, and the aqueous phase will typically comprise from about 1% to about 90%, preferably from about 5% to about 70%, and more preferably from about 20% to about 60% by weight of the total emulsion.
- the aqueous phase will typically comprise from about 25% to about 100%, more typically from about 50% to about 95% by weight water.
- compositions may include liposomes.
- the liposomes may comprise other additives or substances and/or may be modified to more specifically reach or remain at a site following administration.
- composition may optionally comprise other cosmetic actives and excipients, obvious to those skilled in the art including, but not limited to, fillers, emulsifying agents, antioxidants, surfactants, film formers, chelating agents, gelling agents, thickeners, emollients, humectants, moisturizers, vitamins, minerals, viscosity and/or rheology modifiers, sunscreens, keratolytics, depigmenting agents, retinoids, hormonal compounds, alpha-hydroxy acids, alpha-keto acids, anti-mycobacterial agents, antifungal agents, antimicrobials, antivirals, analgesics, lipidic compounds, anti-allergenic agents, H1 or H2 antihistamines, anti-inflammatory agents, anti-irritants, antineoplastics, immune system boosting agents, immune system suppressing agents, anti-acne agents, anesthetics, antiseptics, insect repellents, skin cooling compounds, skin protectants, skin penetration enhancers, exf
- Colorants may include, for example, organic and inorganic pigments and pearlescent agents.
- Suitable inorganic pigments include, but are not limited to, titanium oxide, zirconium oxide and cerium oxide, as well as zinc oxide, iron oxide, chromium oxide and ferric blue.
- Suitable organic pigments include barium, strontium, calcium, and aluminium lakes and carbon black.
- Suitable pearlescent agents include mica coated with titanium oxide, with iron oxide, or with natural pigment.
- Fillers are normally present in an amount of about 0 weight % to about 20 weight %, based on the total weight of the composition, preferably about 0.1 weight % to about 10 weight %.
- Suitable fillers include without limitation silica, treated silica, talc, zinc stearate, mica, kaolin, Nylon powders such as OrgasolTM, polyethylene powder, TeflonTM, starch, boron nitride, copolymer microspheres such as ExpancelTM (Nobel Industries), PolytrapTM (Dow Corning) and silicone resin microbeads (TospearlTM from Toshiba), and the like.
- compositions may include additional skin actives such as, but are not limited to, botanicals, keratolytic agents, desquamating agents, keratinocyte proliferation enhancers, collagenase inhibitors, elastase inhibitors, depigmenting agents, anti-inflammatory agents, steroids, anti-acne agents, antioxidants, salicylic acid or salicylates, thiodipropionic acid or esters thereof, and advanced glycation end-product (AGE) inhibitors.
- additional skin actives such as, but are not limited to, botanicals, keratolytic agents, desquamating agents, keratinocyte proliferation enhancers, collagenase inhibitors, elastase inhibitors, depigmenting agents, anti-inflammatory agents, steroids, anti-acne agents, antioxidants, salicylic acid or salicylates, thiodipropionic acid or esters thereof, and advanced glycation end-product (AGE) inhibitors.
- botanicals such as, but are not
- the composition may comprise at least one additional botanical, such as, for example, a botanical extract, an essential oil, or the plant itself.
- Suitable botanicals include, without limitation, extracts from Abies pindrow, Acacia catechu, Anogeissus latifolia, Asmunda japonica, Azadirachta indica, Butea frondosa, Butea monosperma, Cedrus deodara, Emblica officinalis, Ficus benghalensis, Glycyrrhiza glabra, Ilex purpurea Hassk, Innula racemosa, Ligusticum chiangxiong, Ligusticum lucidum, Mallotus philippinensis, Mimusops elengi, Morinda citrifolia, Moringa oleifera, Naringi crenulata, Nerium indicum, Psoralea corylifolia, Stenoloma chusana,
- composition may comprise additional active ingredients having anti-aging benefits, as it is contemplated that synergistic improvements may be obtained with such combinations.
- anti-aging components include, without limitation, botanicals (e.g., Butea Frondosa extract); thiodipropionic acid (TDPA) and esters thereof; retinoids (e.g., all-trans retinoic acid, 9-cis retinoic acid, phytanic acid and others); hydroxy acids (including alpha-hydroxyacids and beta-hydroxyacids), salicylic acid and salicylates; exfoliating agents (e.g., glycolic acid, 3,6,9-trioxaundecanedioic acid, etc.), estrogen synthetase stimulating compounds (e.g., caffeine and derivatives); compounds capable of inhibiting 5 alpha-reductase activity (e.g., linolenic acid, linoleic acid, finasteride, and mixtures thereof); barrier function enhancing agents (e
- Further additional actives useful for topical application to skin include perilla oil, mangostine, palmitoyl lysylaminovaleroyl lysine (palmitoyl K-ava-K), palmatoyl tetrapeptide-10 (KTFK), L-4-thiazolylalanine, cis-6-nonenol, desthiobiotin, N-(4-mesyloxybenzyl)-N-methoxyethyl-4-chlorobenzene carboxamide, N-(4-mesyloxybenzyl)-N-isobutyl benzenesulfonamide, retinyl oleate, carvacrol, and mixtures thereof.
- retinoids include, without limitation, retinoic acid (e.g., all-trans or 13-cis) and derivatives thereof, retinol (Vitamin A) and esters thereof, such as retinol palmitate, retinol acetate and retinol propionate, and salts thereof.
- retinoic acid e.g., all-trans or 13-cis
- retinol Vitamin A
- esters thereof such as retinol palmitate, retinol acetate and retinol propionate, and salts thereof.
- topical compositions of the present invention may also include one or more of the following: a skin penetration enhancer, an emollient, a skin plumper, an optical diffuser, a sunscreen, an exfoliating agent, and an antioxidant.
- An emollient provides the functional benefits of enhancing skin smoothness and reducing the appearance of fine lines and coarse wrinkles.
- examples include isopropyl myristate, petrolatum, isopropyl lanolate, silicones (e.g., methicone, dimethicone), oils, mineral oils, fatty acid esters, or any mixtures thereof.
- the emollient may be preferably present from about 0.1 wt % to about 50 wt % of the total weight of the composition.
- a skin plumper serves as a collagen enhancer to the skin.
- An example of a suitable, and preferred, skin plumper is palmitoyl oligopeptide.
- Other skin plumpers are collagen and/or other glycosaminoglycan (GAG) enhancing agents.
- the skin plumper may comprise from about 0.1 wt % to about 20 wt % of the total weight of the composition.
- optical diffuser is a particle that changes the surface optometrics of skin, resulting in a visual blurring and softening of, for example, lines and wrinkles.
- optical diffusers that can be used in the present invention include, but are not limited to, boron nitride, mica, nylon, polymethylmethacrylate (PMMA), polyurethane powder, sericite, silica, silicone powder, talc, Teflon, titanium dioxide, zinc oxide, or any mixtures thereof.
- the optical diffuser may be present from about 0.01 wt % to about 20 wt % of the total weight of the composition.
- a sunscreen for protecting the skin from damaging ultraviolet rays may also be included.
- Preferred sunscreens are those with a broad range of UVB and UVA protection, such as octocrylene, avobenzone (Parsol 1789), octyl methoxycinnamate, octyl salicylate, oxybenzone, homosylate, benzophenone, camphor derivatives, zinc oxide, and titanium dioxide.
- the sunscreen may comprise from about 0.01 wt % to about 70 wt % of the composition.
- Suitable exfoliating agents include, for example, alpha-hydroxyacids, beta-hydroxyacids, oxaacids, oxadiacids, and their derivatives such as esters, anhydrides and salts thereof.
- Suitable hydroxy acids include, for example, glycolic acid, lactic acid, malic acid, tartaric acid, citric acid, 2-hydroxyalkanoic acid, mandelic acid, salicylic acid and derivatives thereof.
- a preferred exfoliating agent is glycolic acid.
- the exfoliating agent may comprise from about 0.1 wt % to about 80 wt % of the composition.
- antioxidants functions, among other things, to scavenge free radicals from skin to protect the skin from environmental aggressors.
- antioxidants that may be used in the present compositions include compounds having phenolic hydroxy functions, such as ascorbic acid and its derivatives/esters; beta-carotene; catechins; curcumin; ferulic acid derivatives (e.g. ethyl ferulate, sodium ferulate); gallic acid derivatives (e.g., propyl gallate); lycopene; reductic acid; rosmarinic acid; tannic acid; tetrahydrocurcumin; tocopherol and its derivatives; uric acid; or any mixtures thereof.
- antioxidants are those that have one or more thiol functions (—SH), in either reduced or non-reduced form, such as glutathione, lipoic acid, thioglycolic acid, and other sulfhydryl compounds.
- the antioxidant may be inorganic, such as bisulfites, metabisulfites, sulfites, or other inorganic salts and acids containing sulfur.
- Compositions of the present invention may comprise an antioxidant preferably from about 0.001 wt % to about 10 wt %, and more preferably from about 0.01 wt % to about 5 wt %, of the total weight of the composition.
- vitamins such as tocopherol and ascorbic acid
- vitamin derivatives such as ascorbyl monopalmitate
- thickeners such as hydroxyalkyl cellulose
- gelling agents such as bentonite, smectite, magnesium aluminum silicate and lithium magnesium silicate
- metal chelating agents such as EDTA
- pigments such as zinc oxide and titanium dioxide
- colorants such as emollients; and humectants.
- the composition be essentially free of components having a strong oxidizing potential, including for example, organic or inorganic peroxides.
- essentially free of these components is meant that the amounts present are insufficient to have a measurable impact on the collagen I, desmogleins, and/or dermatopontin enhancing activity of the substituted carbamoyl heterocyclic analog. In some embodiments, this will be, on a molar basis in relation to the amount of substituted carbamoyl heterocyclic analog, less than 1%.
- the composition of the invention comprising a substituted carbamoyl heterocyclic analog may have a pH between about 1 and about 8.
- the pH of the composition will be acidic, i.e., less than 7.0, and preferably will be between about 2 and about 7, more preferably between about 3.5 and about 5.5.
- the invention provides a method for treating aging skin by topically applying a composition comprising a substituted carbamoyl heterocyclic analog, preferably in a cosmetically acceptable vehicle, over the affected area for a period of time sufficient to reduce, ameliorate, reverse or prevent dermatological signs of aging.
- This method is particularly useful for treating signs of skin photoaging and intrinsic aging.
- the improvement in the condition and/or aesthetic appearance is selected from the group consisting of: reducing dermatological signs of chronological aging, photo-aging, hormonal aging, and/or actinic aging; preventing and/or reducing the appearance of lines and/or wrinkles; reducing the noticeability of facial lines and wrinkles, facial wrinkles on the cheeks, forehead, perpendicular wrinkles between the eyes, horizontal wrinkles above the eyes, and around the mouth, marionette lines, and particularly deep wrinkles or creases; preventing, reducing, and/or diminishing the appearance and/or depth of lines and/or wrinkles; improving the appearance of suborbital lines and/or periorbital lines; reducing the appearance of crow's feet; rejuvenating and/or revitalizing skin, particularly aging skin; reducing skin fragility; preventing and/or reversing of loss of glycosaminoglycans and/or collagen, in particular collagen I; ameliorating the effects of estrogen imbalance; preventing skin atrophy; preventing, reducing, and/or
- compositions of the present invention enhance and improve the aesthetic appearance of skin by stimulation of collagen.
- the composition will typically be applied to the skin one, two, or three times daily for as long as is necessary to achieve desired anti-aging results.
- the treatment regiment may comprise daily application for at least one week, at least two weeks, at least four weeks, at least eight weeks, or at least twelve weeks. Chronic treatment regimens are also contemplated.
- the substituted carbamoyl heterocyclic analog active component is topically applied to an “individual in need thereof,” by which is meant an individual that stands to benefits from reducing visible signs of skin damage or aging.
- the substituted carbamoyl heterocyclic analog component is provided in a pharmaceutically, physiologically, cosmetically, and dermatologically-acceptable vehicle, diluent, or carrier, where the composition is topically applied to an affected area of skin and left to remain on the affected area in an amount effective for improving the condition and aesthetic appearance of skin.
- methods for treating fine lines and wrinkles comprise topically applying the inventive substituted carbamoyl heterocyclic analog compositions to the skin of an individual in need thereof, e.g., topically application directly to the fine line and/or wrinkle in an amount and for a time sufficient to reduce the severity of the fine lines and/or wrinkles or to prevent or inhibit the formation of new fine lines and/or wrinkles.
- the effect of a composition on the formation or appearance of fine lines and wrinkles can be evaluated qualitatively, e.g., by visual inspection, or quantitatively, e.g., by microscopic or computer assisted measurements of wrinkle morphology (e.g., the number, depth, length, area, volume and/or width of wrinkles per unit area of skin).
- This embodiment includes treatment of wrinkles on the skin of the hands, arms, legs, neck, chest, and face, including the forehead,
- compositions of the invention will be useful for treating thin skin by topically applying the composition to thin skin of an individual in need thereof.
- Thin skin is intended to include skin that is thinned due to chronological aging, menopause, or photo-damage.
- the treatment is for thin skin in men, whereas other embodiments treat thin skin in women, pre-menopausal or post-menopausal, as it is believed that skin thins differently with age in men and women, and in particular in women at different stages of life.
- the method of the invention may be employed prophylactically to forestall aging including in patients that have not manifested signs of skin aging, most commonly in individuals under 25 years of age.
- the method may also reverse or treat signs of aging once manifested as is common in patients over 25 years of age.
- the compounds 1-5, and 8-9 were assayed for stimulation of collagen synthesis as follows.
- Human dermal fibroblasts (Cascade Biologics, Portland, Oreg.) were plated at 10,000 cells/well in 96-well culture plates in supplemented medium (DMEM, 10% Fetal Bovine Serum, 1% Penicillin/Streptomycin and 1% L-Glutamine) overnight in humidified atmosphere of 10% CO 2 at 37° C.
- DMEM 10% Fetal Bovine Serum, 1% Penicillin/Streptomycin and 1% L-Glutamine
- the compounds dissolved in DMSO were added to the wells in triplicate at a concentration of 0.0005%.
- DMSO solution was used a control. Following 48-hour incubation, the plates were removed from the incubator and the medium from each well was collected for the procollagen assay.
- Collagen production was measured using procollagen type I C-peptide (PIP) EIA kit (Takara Bio, Inc., Japan). Briefly, the conditioned medium was diluted 1:10 in Sample Diluent. 20 ⁇ l of diluted conditioned medium and 100 ⁇ l of antibody-POD conjugate solution were added to the wells of the Takara ELISA plate. The ELISA plate was incubated at 37° C. for 3 hours before the wells were washed four times with 400 ⁇ l of 1 ⁇ PBS. At the end of wash, 100 ⁇ l of substrate solution (supplied with kit) was added to the wells and incubated at room temperature for 15 minutes. The reaction was stopped by adding 100 ⁇ l of 1N sulfuric acid to the wells. The absorbance was measured on a spectrophotometer at 450 nm wavelength. The amount of procollagen peptide in the conditioned medium was calculated from the standard curve. The stimulation of collagen production was shown as an increase in collagen over the control.
- PIP procollagen type I
- Results illustrate that the compounds included in Tables 1 and 2 are collagen stimulators, and that compounds 1, 8 and 9 are potent stimulators of collagen synthesis.
- compositions set forth in Table 5 are illustrative of the invention and are useful for topical application to the skin to enhance its aesthetic appearance.
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Abstract
Cosmetic compositions comprising substituted carbamoyl heterocyclic analogs and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The substituted carbamoyl heterocyclic analogs are believed to have modulatory activity against one or more biochemical pathways implicated in skin aging.
Description
- This application is a divisional of U.S. patent application Ser. No. 13/279,605, filed on Oct. 24, 2011, the entirety of which is herein incorporated by reference in its entirety.
- The present invention relates generally to compositions and methods for topical application to the skin which comprise substituted carbamoyl heterocyclic analogs and the use of such compositions to improve the aesthetic appearance of the skin.
- Collagen is the body's major structural protein and is composed of three protein chains wound together in a tight triple helix. This unique structure gives collagen a greater tensile strength than steel. Approximately 33 percent of the protein in the body is collagen. This protein supports tissues and organs and connects these structures to bones. In fact, bones are also composed of collagen combined with certain minerals such as calcium and phosphorus. Collagen plays a key role in providing the structural scaffolding surrounding cells that helps to support cell shape and differentiation, similar to how steel rods reinforce a concrete block. The mesh-like collagen network binds cells together and provides the supportive framework or environment in which cells develop and function, and tissues and bones heal.
- Collagen is created by fibroblasts, which are specialized skin cells located in the dermis. Fibroblasts also produce other skin structural proteins such as elastin (a protein which gives the skin its ability to snap back) and glucosaminoglycans (GAGs). GAGs make up the ground substance that keeps the dermis hydrated. In order to signal or turn on the production of skin structural proteins, fibroblast cells have specially shaped receptors on their outside membranes that act as binding sites to which signal molecules with a matching shape can fit. When the receptors are bound by the correct combination of signal molecules (called fibroblast growth factors, or FGFs), the fibroblast begins the production of collagen. The stimulation of collagen gives the skin its strength, durability, and smooth, plump appearance.
- It is therefore an object of the invention to provide new compositions and methods for stimulating collagen. It is a further object of the invention to improve the overall appearance of skin, including treating, reversing, and/or preventing signs of aging, such as skin wrinkles, by stimulating collagen, with cosmetic compositions comprising effective amounts of substituted carbamoyl heterocyclic analogs.
- The foregoing discussion is presented solely to provide a better understanding of nature of the problems confronting the art and should not be construed in any way as an admission as to prior art nor should the citation of any reference herein be construed as an admission that such reference constitutes “prior art” to the instant application.
- In accordance with the foregoing objectives and others, it has surprisingly been found that substituted carbamoyl heterocyclic analogs are stimulators of collagen, and thus are beneficial agents against various signs of intrinsic aging and photo-aging of skin.
- In one aspect of the invention, a method is provided for improving the aesthetic appearance of human skin comprising topically applying to an area of the skin in need thereof an effective amount of a substituted carbamoyl heterocyclic analog or a cosmetically acceptable salt thereof in a cosmetically acceptable vehicle.
- In another aspect of the invention, cosmetic compositions are provided for improving the aesthetic appearance of skin comprising, in a cosmetically acceptable vehicle, an effective amount of a substituted carbamoyl heterocyclic analog having the structure of formula I:
- where ε1-ε3 are independently selected from CRa, N, or NRb, and wherein the ring A is optionally aromatic or may comprise zero, one, or two double bonds;
- with the proviso that at least one of ε1, ε2, or ε3 is NRb; and in the case where ε3 is NRb, then ε2 is a nitrogen atom, and the bond between ε1 and ε2 is a double bond; in the case where ε2 is NRb, then ε1 is a nitrogen atom, and the bond between ε1 and the carbon atom to which R1 is attached is a double bond; and in the case where ε1 is NRb, then ε2 is a nitrogen atom, and the bond between ε2 and ε3 is a double bond;
- Rb is an aryl group of the form,
- R1 is selected from a group consisting of H, or a C1-20 hydrocarbons, independently selected from alkyl, cycloalkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, alkylaryl, heteroalkyl, heteroarylalkyl, arylalkyl, aryl, aminoalkyl, aminoalkylheteroaryl, alkyloxyaryl, alkyloxyheteroaryl, or heteroaryl group optionally substituted with one or more C1-20 alkyl, alkenyl, alkynyl, aryl, or Ra groups;
- R2 and R3 are independently selected from the group consisting of C1-6 alkyl, alkenyl, alkynyl, and aryl, which could be optionally connected to form together with the nitrogen atom to which they are attached a 5, 6, or 7 membered ring, saturated or unsaturated, which optionally further comprises one or more heteroatoms in the ring, selected from oxygen, nitrogen, or sulfur, and wherein R2 and R3 are optionally substituted with one or more groups Ra;
- R4-R8 are independently selected from the group consisting of Ra, C1-6 alkyl, alkenyl, alkynyl, and aryl, each of which could be optionally further substituted with one or more groups Ra;
- wherein Ra is independently, at each occurrence, selected from hydrogen, halogen (F, Cl, Br, or I); —OH; —NH2; —NRNRN; —SH; —CN; oxo; —CHO; —CO2H; —O—(C═O)—H; —O—(C═O)—C1-10 alkyl; —O—(C═O)-Ar; —(C═O)—O—C1-10 alkyl; —(C═O)—O—Ar; —(C═O)—NRNRN; —O—C1-10 alkyl; —O—Ar; —S—C1-10 alkyl; —S—Ar; —Ar; —C1-10 alkyl; —NRN—CHO; —NRN—(C═O)—C1-10 alkyl; —C1-10 alkyl-O—C1-10 alkyl; perfluoroalkyl; epoxy; azido; thiocyanate; —SO2—RN; or nitro;
- wherein RN is independently selected, at each occurrence, from hydrogen or a C1-16 hydrocarbon radical, optionally substituted with a group Ra; and where any two adjacent groups RN may together form a 5, 6, or 7 membered ring;
- and wherein any two adjacent R groups can be taken together to form a 5-7 member ring, saturated or unsaturated, optionally incorporating O, S, N heteroatoms or substituted with alkyl, haloalkyl, or alkoxy groups;
- or a cosmetically acceptable salt thereof.
- Also provided is a method of treating one or more signs of skin aging comprising topically applying to skin in need thereof a collagen-stimulating substituted carbamoyl heterocyclic analog according to formula I or a cosmetically acceptable salt thereof.
- In another aspect of the invention, a method of treating, reducing, and/or preventing fine lines and/or wrinkles, sagging in human skin, loss of elasticity and molting is provided, comprising topically applying to skin in need thereof, including applying directly to a wrinkle or fine line, a composition comprising a collagen-stimulating substituted carbamoyl heterocyclic analog according to formula I or a cosmetically acceptable salt thereof.
- These and other aspects of the present invention will be better understood by reference to the following detailed description.
- All terms used herein are intended to have their ordinary meaning unless otherwise provided. By “cosmetically acceptable” is meant that a particular component is generally regarding as safe and non-toxic at the levels employed. The term “prevent,” as used herein, includes delaying the onset or progression of a particular sign of skin aging. The term “thin skin” includes skin that becomes thinner with chronological aging as well as prematurely thinned skin, which may be caused, for example, by photo-aging. The phrase “individual in need thereof” refers to a human that could benefit from improved dermal appearance or health, including males or females. The term “skin” includes, without limitation, the lips, skin of the face, hands, arms, neck, legs, in particular thighs, and chest. As used herein, the term “consisting essentially of” is intended to limit the invention to the specified materials or steps and those that do not materially affect the basic and novel characteristics of the claimed invention, as understood from a reading of this specification.
- The present invention provides compositions for topical application which comprise an effective amount of substituted carbamoyl heterocyclic analogs or a related compound to treat, reverse, ameliorate and/or prevent signs of skin aging. Such signs of skin aging include without limitation, the following:
-
- (a) treatment, reduction, and/or prevention of fine lines or wrinkles,
- (b) reduction of skin pore size,
- (c) improvement in skin thickness, plumpness, and/or tautness;
- (d) improvement in skin suppleness and/or softness;
- (e) improvement in skin tone, radiance, and/or clarity;
- (f) improvement in procollagen, collagen production, and/or elastin production;
- (g) improvement in maintenance and remodeling of collagen and/or elastin;
- (h) improvement in skin texture and/or promotion of retexturization;
- (i) improvement in skin barrier repair and/or function;
- (j) improvement in appearance of skin contours;
- (k) restoration of skin luster and/or brightness;
- (l) replenishment of essential nutrients and/or constituents in the skin;
- (m) decreased by aging and/or menopause;
- (n) improvement in skin moisturization;
- (o) increase in skin elasticity and/or resiliency;
- (p) treatment, reduction, and/or prevention of skin sagging;
- (q) reduction of pigment spots;
- (s) improving the appearance of acne scars or marks;
- (t) improving the appearance of stretch marks; and/or
- (u) improvement in the appearance of cellulite.
- In practice, the compositions of the invention are applied to skin in need of treatment. That is, skin which suffers from a deficiency or loss in any of the foregoing attributes or which would otherwise benefit from improvement in any of the foregoing skin attributes.
- In certain preferred embodiments the compositions and methods of the invention are directed to the prevention, treatment, and/or amelioration of fine lines and/or wrinkles in the skin. In this case, the compositions are applied to skin in need of treatment, by which is meant skin having wrinkles and/or fine lines. Preferably, the compositions are applied directly to the fine lines and/or wrinkles. The compositions and methods are suitable for treating fine lines and/or wrinkles on any surface of the skin, including without limitation, the skin of the face, neck, and/or hands.
- The cosmetic compositions for treating a skin condition associated with loss of collagen and/or elastin fiber comprise, in a cosmetically acceptable vehicle, an amount of a substituted carbamoyl heterocyclic analogs effective to enhance collagen. These collagen enhancing/stimulating agents may have the structure of formula (I):
- where ε1-ε3 are independently selected from CRa, N, or NRb, and wherein the ring A is optionally aromatic or may comprise zero, one, or two double bonds;
- with the proviso that at least one of ε1, ε2, or ε3 is NRb; and in the case where ε3 is NRb, then ε2 is a nitrogen atom, and the bond between ε1 and ε2 is a double bond; in the case where ε2 is NRb, then ε1 is a nitrogen atom, and the bond between ε1 and the carbon atom to which R1 is attached is a double bond; and in the case where ε1 is NRb, then ε2 is a nitrogen atom, and the bond between ε2 and ε3 is a double bond;
- Rb is an aryl group of the form,
- R1 is selected from a group consisting of H, or a C1-20 hydrocarbons, independently selected from alkyl, cycloalkyl, haloalkyl, alkoxyalkyl, alkenyl, alkynyl, alkylaryl, heteroalkyl, heteroarylalkyl, arylalkyl, aryl, aminoalkyl, aminoalkylheteroaryl, alkyloxyaryl, alkyloxyheteroaryl, or heteroaryl group optionally substituted with one or more C1-20 alkyl, alkenyl, alkynyl, aryl, or Ra groups;
- R2 and R3 are independently selected from the group consisting of C1-6 alkyl, alkenyl, alkynyl, and aryl, which could be optionally connected to form together with the nitrogen atom to which they are attached a 5, 6, or 7 membered ring, saturated or unsaturated, which optionally further comprises one or more heteroatoms in the ring, selected from oxygen, nitrogen, or sulfur, and wherein R2 and R3 are optionally substituted with one or more groups Ra;
- R4-R8 are independently selected from the group consisting of Ra, C1-6 alkyl, alkenyl, alkynyl, and aryl, each of which could be optionally further substituted with one or more groups Ra;
- wherein Ra is independently, at each occurrence, selected from hydrogen, halogen (F, Cl, Br, or I); —OH; —NH2; —NRNRN; —SH; —CN; oxo; —CHO; —CO2H; —O—(C═O)—H; —O—(C═O)—C1-10 alkyl; —O—(C═O)-Ar; —(C═O)—O—C1-10 alkyl; —(C═O)—O—Ar; —(C═O)—NRNRN; —O—C1-10 alkyl; —O—Ar; —S—C1-10 alkyl; —S—Ar; —Ar; —C1-10 alkyl; —NRN—CHO; —NRN—(C═O)—C1-10 alkyl; —C1-10 alkyl-O—C1-10 alkyl; perfluoroalkyl; epoxy; azido; thiocyanate; —SO2—RN; or nitro;
- wherein RN is independently selected, at each occurrence, from hydrogen or a C1-16 hydrocarbon radical, optionally substituted with a group Ra; and where any two adjacent groups RN may together form a 5, 6, or 7 membered ring;
- and wherein any two adjacent R groups can be taken together to form a 5-7 member ring, saturated or unsaturated, optionally incorporating O, S, N heteroatoms or substituted with alkyl, haloalkyl, or alkoxy groups;
- and wherein any two adjacent R groups can be taken together to form a 5-7 member ring, saturated or unsaturated, optionally incorporating O, S, and/or N heteroatoms or substituted with alkyl, haloalkyl, or alkoxy groups;
- and wherein any R group may be optionally substituted with one or more substituents selected independently at each occurrence from hydrogen; —F; —Cl; —Br; —I; —OH, —OR*; —NH2; —NHR*; —N(R*)2; —N(R*)3+; —N(R*)—OH; —N(→O)(R*)2; —O—N(R*)2; —N(R*)—O—R*; —N(R*)—N(R*)2; —C═N—R*; —N═C(R*)2; —C═N—N(R*)2; —C(═NR*)—N(R*)2; —SH; —SR*; —CN; —NC; —CHO; —CO2H; —CO2—; —CO2R*; —(C═O)—S—R*; —O—(C═O)—H; —O—(C═O)—R*; —S—(C═O)—R*; —(C═O)—NH2; —(C═O)—N(R*)2; —(C═O)—NHNH2; —O—(C═O)—NHNH2; —(C═S)—NH2; —(C═S)—N(R*)2; —N(R*)—CHO; —N(R*)—(C═O)—R*; —(C═NR)—O—R*; —O—(C═NR*)—R*, —SCN; —NCS; —NSO; —SSR*; —N(R*)—C(═O)—N(R*)2; —N(R*)—C(═S)—N(R*)2; —SO2—R*; —O—S(═O)2—R*; —S(═O)2—OR*; —N(R*)—SO2—R*; —SO2—N(R*)2; —O—SO3—; —O—S(═O)2—OR*; —O—S(═O)—OR*; —O—S(═O)—R*; —S(═O)—OR*; —S(═O)—R*; —NO; —NO2; —NO3; —O—NO; —O—NO2; —N3; —N2—R*; —N(C2H4); —Si(—R*)3; —CF3; —O—CF3; —(C═O)—R*; —PR*2; —O—P(═O)(OR*)2; —P(═O)(OR*)2; ═O; ═S; ═NR*; an aliphatic C1-C20 hydrocarbon radical; a C1-C20 aromatic hydrocarbon radical; or a C1-C20 heteroaryl radical; where R* is independently at each occurrence hydrogen or a saturated, partially saturated, or aromatic C1-C20 hydrocarbon radical (preferably a C1-C6 hydrocarbon, or a C1-C3 hydrocarbon) or halogenated derivative thereof;
- or a cosmetically acceptable salt thereof.
- Any nitrogen atom may be optionally oxidized to the N-oxide or can be quarternized, for example with lower alkyl halides, such as methyl, ethyl, propyl, and butyl chloride, bromides, and iodides; dialkyl sulfates like dimethyl, diethyl, dibutyl, and diamyl sulfates, long chain halides such as decyl, lauryl, myristyl and stearyl chlorides, bromides and iodides, aralkyl halides such as benzyl and phenethyl bromides, to name a few.
- In one embodiment according to formula (I), ε1 is preferably a nitrogen atom, ε2 is a group NRb when Rb is a substituted aryl ring, and the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Ia):
- where, R1, and R4-R8, Ra, and RN are as defined as above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CRa, C(Ra)2, N, O, S, NRN, or a bond (i.e. absent); and
- L1 and L2 are independently selected from a bond or a group X1-(L3)l-X2, where “l” is an integer from 0 to 4; where L3 is selected from CRa, C(Ra)2, or a bond; and X1 and X2 are independently selected from N, NRN, O, S, or a bond; or a cosmetically acceptable salt thereof.
- In one embodiment according to formula (Ia), L1 is —(CH2)m—, and L2 is —(CH2)n—, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NRN, S, O, or a bond; or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (Ia), the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In a preferred embodiment according to formula (Ia), Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (I), ε2 is preferably a nitrogen atom, ε3 is a group NRb when Rb is a substituted aryl ring, and the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Ib):
- where, R1, and R4-R8, Ra, and RN are as defined above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CRa, C(Ra)2, N, O, S, NRN, or a bond (i.e. absent); and
- L1 and L2 are independently selected from a bond or a group X1-(L3)l-X2, where “l” is an integer from 0 to 4; where L3 is selected from CRa, C(Ra)2, or a bond; and X1 and X2 are independently selected from N, NRN, O, S, or a bond; or a cosmetically acceptable salt thereof.
- In one embodiment according to formula (Ib), L1 is —(CH2)m—, and L2 is —(CH2)n—, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NRN, S, O, or a bond; or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (Ib), the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In a preferred embodiment according to formula (Ib), Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (I), ε1 and ε2 are preferably nitrogen atoms, ε3 is a group NRb when Rb is a substituted aryl ring, and the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Ic):
- where, R1, and R4-R8, Ra, and RN are as defined as above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CRa, C(Ra)2, N, O, S, NRN, or a bond (i.e. absent); and
- L1 and L2 are independently selected from a bond or a group X1-(L3)l-X2, where “l” is an integer from 0 to 4; where L3 is selected from CRa, C(Ra)2, or a bond; and X1 and X2 are independently selected from N, NRN, O, S, or a bond; or a cosmetically acceptable salt thereof.
- In one embodiment according to formula (Ic), L1 is —(CH2)m—, and L2 is —(CH2)n—, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NRN, S, O, or a bond; or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (Ic), the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In a preferred embodiment according to formula (Ic), Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (I), ε2 and ε3 are preferably nitrogen atoms, ε1 is a group NRb when Rb is a substituted aryl ring, and the collagen-stimulating compound is a substituted carbamoyl heterocyclic analog having the structure shown in formula (Id):
- where, R1, and R4-R8, Ra, and RN are as defined as above;
- Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
- X is selected from CRa, C(Ra)2, N, O, S, NRN, or a bond (i.e. absent); and
- L1 and L2 are independently selected from a bond or a group X1-(L3)l-X2, where “l” is an integer from 0 to 4; where L3 is selected from CRa, C(Ra)2, or a bond; and X1 and X2 are independently selected from N, NRN, O, S, or a bond; or a cosmetically acceptable salt thereof.
- In one embodiment according to formula (Id), L1 is —(CH2)m—, and L2 is —(CH2)n—, wherein “m” and “n” are independently selected from integers from 1-3; and X is selected from N, NRN, S, O, or a bond; or a cosmetically acceptable salt thereof.
- In another embodiment according to formula (Id), the Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- In a preferred embodiment according to formula (Id), Q is a heterocycle selected from the group consisting of pyrrolidine, morpholino, and piperazine, each being optionally substituted with one or more groups Ra, or a cosmetically acceptable salt thereof.
- Other illustrative compounds according to the invention are provided below.
- The invention embraces the use of cosmetically or pharmaceutically acceptable (e.g., non-toxic and/or non-irritating) salts. Examples of the salts of the compounds in the present invention include salts with alkali metals such as sodium and potassium; salts with alkaline-earth metals such as calcium and magnesium; salts with amines such as monoethanolamine; salts with inorganic acids such as hydrochloric acid and sulfuric acid; and salts with organic acids such as citric acid and acetic acid. Special mention may be made of hydrochloride salts.
- The cosmetic compositions according to the invention can be formulated in a variety of forms for topical application and will comprise from about 0.0001% to about 1% by weight of one or more compounds according to formula (I), and preferably will comprise from about 0.001% to about 0.5% by weight, and more preferably from about 0.01% to about 0.2% by weight. The compositions will comprise an effective amount of the substituted carbamoyl heterocyclic analog compounds according to formula (I), by which is meant an amount sufficient to enhance collagen and/or stimulate collagen in a given area of skin when topically applied thereto.
- The composition may be formulated in a variety of product forms, such as, for example, a lotion, cream, serum, spray, aerosol, cake, ointment, essence, gel, paste, patch, pencil, towelette, mask, stick, foam, elixir, concentrate, and the like, particularly for topical administration. Preferably the composition is formulated as a lotion, cream, ointment, or gel.
- The compositions can include a cosmetically acceptable vehicle. Such vehicles may take the form of any known in the art suitable for application to skin and may include water; vegetable oils; mineral oils; esters such as octal palmitate, isopropyl myristate and isopropyl palmitate; ethers such as dicapryl ether and dimethyl isosorbide; alcohols such as ethanol and isopropanol; fatty alcohols such as cetyl alcohol, cetearyl alcohol, stearyl alcohol and biphenyl alcohol; isoparaffins such as isooctane, isododecane and is hexadecane; silicone oils such as cyclomethicone, dimethicone, dimethicone cross-polymer, polysiloxanes and their derivatives, preferably organomodified derivatives; hydrocarbon oils such as mineral oil, petrolatum, isoeicosane and polyisobutene; polyols such as propylene glycol, glycerin, butylene glycol, pentylene glycol and hexylene glycol; waxes such as beeswax and botanical waxes; or any combinations or mixtures of the foregoing.
- The vehicle may comprise an aqueous phase, an oil phase, an alcohol, a silicone phase or mixtures thereof. The cosmetically acceptable vehicle may also comprise an emulsion. Non-limiting examples of suitable emulsions include water-in-oil emulsions, oil-in-water emulsions, silicone-in-water emulsions, water-in-silicone emulsions, wax-in-water emulsions, water-oil-water triple emulsions or the like having the appearance of a cream, gel or microemulsions. The emulsion may include an emulsifier, such as a nonionic, anionic or amphoteric surfactant.
- The oil phase of the emulsion preferably has one or more organic compounds, including emollients; humectants (such as propylene glycol and glycerin); other water-dispersible or water-soluble components including thickeners such as veegum or hydroxyalkyl cellulose; gelling agents, such as high MW polyacrylic acid, i.e. CARBOPOL 934; and mixtures thereof. The emulsion may have one or more emulsifiers capable of emulsifying the various components present in the composition.
- The compounds suitable for use in the oil phase include without limitation, vegetable oils; esters such as octyl palmitate, isopropyl myristate and isopropyl palmitate; ethers such as dicapryl ether; fatty alcohols such as cetyl alcohol, stearyl alcohol and behenyl alcohol; isoparaffins such as isooctane, isododecane and isohexadecane; silicone oils such as dimethicones, cyclic silicones, and polysiloxanes; hydrocarbon oils such as mineral oil, petrolatum, isoeicosane and polyisobutene; natural or synthetic waxes; and the like. Suitable hydrophobic hydrocarbon oils may be saturated or unsaturated, have an aliphatic character and be straight or branched chained or contain alicyclic or aromatic rings. The oil-containing phase may be composed of a singular oil or mixtures of different oils.
- Hydrocarbon oils include those having 6-20 carbon atoms, more preferably 10-16 carbon atoms. Representative hydrocarbons include decane, dodecane, tetradecane, tridecane, and C8-20 isoparaffins. Paraffinic hydrocarbons are available from Exxon under the ISOPARS trademark, and from the Permethyl Corporation. In addition, C8-20 paraffinic hydrocarbons such as C12 isoparaffin (isododecane) manufactured by the Permethyl Corporation having the tradename Permethyl 99 ATM are also contemplated to be suitable. Various commercially available C16 isoparaffins, such as isohexadecane (having the tradename Permethyl®) are also suitable. Examples of preferred volatile hydrocarbons include polydecanes such as isododecane and isodecane, including for example, Permethyl-99A (Presperse Inc.) and the C7-C8 through C12-C15 isoparaffins such as the Isopar Series available from Exxon Chemicals. A representative hydrocarbon solvent is isododecane.
- The oil phase may comprise one or more waxes, including for example, rice bran wax, carnauba wax, ouricurry wax, candelilla wax, montan waxes, sugar cane waxes, ozokerite, polyethylene waxes, Fischer-Tropsch waxes, beeswax, microcrystaline wax, silicone waxes, fluorinated waxes, and any combination thereof.
- Non-limiting emulsifiers included emulsifying waxes, emulsifying polyhydric alcohols, polyether polyols, polyethers, mono- or di-ester of polyols, ethylene glycol mono-stearates, glycerin mono-stearates, glycerin di-stearates, silicone-containing emulsifiers, soya sterols, fatty alcohols such as cetyl alcohol, fatty acids such as stearic acid, fatty acid salts, and mixtures thereof. The preferred emulsifiers include soya sterol, cetyl alcohol, stearic acid, emulsifying wax, and mixtures thereof. Other specific emulsifiers that can be used in the composition of the present invention include, but are not limited to, one or more of the following: sorbitan esters; polyglyceryl-3-diisostearate; sorbitan monostearate, sorbitan tristearate, sorbitan sesquioleate, sorbitan monooleate; glycerol esters such as glycerol monostearate and glycerol monooleate; polyoxyethylene phenols such as polyoxyethylene octyl phenol and polyoxyethylene nonyl phenol; polyoxyethylene ethers such as polyoxyethylene cetyl ether and polyoxyethylene stearyl ether; polyoxyethylene glycol esters; polyoxyethylene sorbitan esters; dimethicone copolyols; polyglyceryl esters such as polyglyceryl-3-diisostearate; glyceryl laurate; Steareth-2, Steareth-10, and Steareth-20, to name a few. Additional emulsifiers are provided in the INCI Ingredient Dictionary and Handbook 11th Edition 2006, the disclosure of which is hereby incorporated by reference.
- These emulsifiers typically will be present in the composition in an amount from about 0.001% to about 10% by weight, in particular in an amount from about 0.01% to about 5% by weight, and more preferably, below 1% by weight.
- The oil phase may comprise one or more volatile and/or non-volatile silicone oils. Volatile silicones include cyclic and linear volatile dimethylsiloxane silicones. In one embodiment, the volatile silicones may include cyclodimethicones, including tetramer (D4), pentamer (D5), and hexamer (D6) cyclomethicones, or mixtures thereof. Particular mention may be made of the volatile cyclomethicone-hexamethyl cyclotrisiloxane, octamethyl-cyclotetrasiloxane, and decamethyl-cyclopentasiloxane. Suitable dimethicones are available from Dow Corning under the name Dow Corning 200® Fluid and have viscosities ranging from 0.65 to 600,000 centistokes or higher. Suitable non-polar, volatile liquid silicone oils are disclosed in U.S. Pat. No. 4,781,917, herein incorporated by reference in its entirety. Additional volatile silicones materials are described in Todd et al., “Volatile Silicone Fluids for Cosmetics”, Cosmetics and Toiletries, 91:27-32 (1976), herein incorporated by reference in its entirety. Linear volatile silicones generally have a viscosity of less than about 5 centistokes at 25° C., whereas the cyclic silicones have viscosities of less than about 10 centistokes at 25° C. Examples of volatile silicones of varying viscosities include Dow Corning 200, Dow Corning 244, Dow Corning 245, Dow Corning 344, and Dow Corning 345, (Dow Corning Corp.); SF-1204 and SF-1202 Silicone Fluids (G.E. Silicones), GE 7207 and 7158 (General Electric Co.); and SWS-03314 (SWS Silicones Corp.). Linear, volatile silicones include low molecular weight polydimethylsiloxane compounds such as hexamethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, and dodecamethylpentasiloxane, to name a few.
- Non-volatile silicone oils will typically comprise polyalkylsiloxanes, polyarylsiloxanes, polyalkylarylsiloxanes, or mixtures thereof. Polydimethylsiloxanes are preferred non-volatile silicone oils. The non-volatile silicone oils will typically have a viscosity from about 10 to about 60,000 centistokes at 25° C., preferably between about 10 and about 10,000 centistokes, and more preferred still between about 10 and about 500 centistokes; and a boiling point greater than 250° C. at atmospheric pressure. Non limiting examples include dimethyl polysiloxane (dimethicone), phenyl trimethicone, and diphenyldimethicone. The volatile and non-volatile silicone oils may optionally be substituted will various functional groups such as alkyl, aryl, amine groups, vinyl, hydroxyl, haloalkyl groups, alkylaryl groups, and acrylate groups, to name a few.
- The water-in-silicone emulsion may be emulsified with a nonionic surfactant (emulsifier) such as, for example, polydiorganosiloxane-polyoxyalkylene block copolymers, including those described in U.S. Pat. No. 4,122,029, the disclosure of which is hereby incorporated by reference. These emulsifiers generally comprise a polydiorganosiloxane backbone, typically polydimethylsiloxane, having side chains comprising -(EO)m- and/or —(PO)n- groups, where EO is ethyleneoxy and PO is 1,2-propyleneoxy, the side chains being typically capped or terminated with hydrogen or lower alkyl groups (e.g., C1-6, typically C1-3). Other suitable water-in-silicone emulsifiers are disclosed in U.S. Pat. No. 6,685,952, the disclosure of which is hereby incorporated by reference herein. Commercially available water-in-silicone emulsifiers include those available from Dow Corning under the trade designations 3225C and 5225C Formulation Aid; Silicone SF-1528 available from General Electric; ABIL EM 90 and EM 97, available from Goldschmidt Chemical Corporation (Hopewell, Va.); and the SILWET series of emulsifiers sold by OSI Specialties (Danbury, Conn.).
- Examples of water-in-silicone emulsifiers include, but are not limited to, dimethicone PEG 10/15 crosspolymer, dimethicone copolyol, cetyl dimethicone copolyol, PEG-15 lauryl dimethicone crosspolymer, laurylmethicone crosspolymer, cyclomethicone and dimethicone copolyol, dimethicone copolyol (and) caprylic/capric triglycerides, polyglyceryl-4 isostearate (and) cetyl dimethicone copolyol (and) hexyl laurate, and dimethicone copolyol (and) cyclopentasiloxane. Preferred examples of water-in-silicone emulsifiers include, without limitation, PEG/PPG-18/18 dimethicone (trade name 5225C, Dow Corning), PEG/PPG-19/19 dimethicone (trade name BY25-337, Dow Corning), Cetyl PEG/PPG-10/1 dimethicone (trade name Abil EM-90, Goldschmidt Chemical Corporation), PEG-12 dimethicone (trade name SF 1288, General Electric), lauryl PEG/PPG-18/18 methicone (trade name 5200 FORMULATION AID, Dow Corning), PEG-12 dimethicone crosspolymer (trade name 9010 and 9011 silicone elastomer blend, Dow Corning), PEG-10 dimethicone crosspolymer (trade name KSG-20, Shin-Etsu), and dimethicone PEG-10/15 crosspolymer (trade name KSG-210, Shin-Etsu).
- The water-in-silicone emulsifiers typically will be present in the composition in an amount from about 0.001% to about 10% by weight, in particular in an amount from about 0.01% to about 5% by weight, and more preferably, below 1% by weight.
- The aqueous phase of the emulsion may include one or more additional solvents, including lower alcohols, such as ethanol, isopropanol, and the like. The volatile solvent may also be a cosmetically acceptable ester such as butyl acetate or ethyl acetate; ketones such as acetone or ethyl methyl ketone; or the like.
- The oil-containing phase will typically comprise from about 10% to about 99%, preferably from about 20% to about 85%, and more preferably from about 30% to about 70% by weight, based on the total weight of the emulsion, and the aqueous phase will typically comprise from about 1% to about 90%, preferably from about 5% to about 70%, and more preferably from about 20% to about 60% by weight of the total emulsion. The aqueous phase will typically comprise from about 25% to about 100%, more typically from about 50% to about 95% by weight water.
- The compositions may include liposomes. The liposomes may comprise other additives or substances and/or may be modified to more specifically reach or remain at a site following administration.
- The composition may optionally comprise other cosmetic actives and excipients, obvious to those skilled in the art including, but not limited to, fillers, emulsifying agents, antioxidants, surfactants, film formers, chelating agents, gelling agents, thickeners, emollients, humectants, moisturizers, vitamins, minerals, viscosity and/or rheology modifiers, sunscreens, keratolytics, depigmenting agents, retinoids, hormonal compounds, alpha-hydroxy acids, alpha-keto acids, anti-mycobacterial agents, antifungal agents, antimicrobials, antivirals, analgesics, lipidic compounds, anti-allergenic agents, H1 or H2 antihistamines, anti-inflammatory agents, anti-irritants, antineoplastics, immune system boosting agents, immune system suppressing agents, anti-acne agents, anesthetics, antiseptics, insect repellents, skin cooling compounds, skin protectants, skin penetration enhancers, exfollients, lubricants, fragrances, colorants, depigmenting agents, hypopigmenting agents, preservatives, stabilizers, pharmaceutical agents, photostabilizing agents, sunscreens, and mixtures thereof. In addition to the foregoing, the cosmetic compositions of the invention may contain any other compound for the treatment of skin disorders.
- Colorants may include, for example, organic and inorganic pigments and pearlescent agents. Suitable inorganic pigments include, but are not limited to, titanium oxide, zirconium oxide and cerium oxide, as well as zinc oxide, iron oxide, chromium oxide and ferric blue. Suitable organic pigments include barium, strontium, calcium, and aluminium lakes and carbon black. Suitable pearlescent agents include mica coated with titanium oxide, with iron oxide, or with natural pigment.
- Various fillers and additional components may be added. Fillers are normally present in an amount of about 0 weight % to about 20 weight %, based on the total weight of the composition, preferably about 0.1 weight % to about 10 weight %. Suitable fillers include without limitation silica, treated silica, talc, zinc stearate, mica, kaolin, Nylon powders such as Orgasol™, polyethylene powder, Teflon™, starch, boron nitride, copolymer microspheres such as Expancel™ (Nobel Industries), Polytrap™ (Dow Corning) and silicone resin microbeads (Tospearl™ from Toshiba), and the like.
- In one embodiment of the invention, the compositions may include additional skin actives such as, but are not limited to, botanicals, keratolytic agents, desquamating agents, keratinocyte proliferation enhancers, collagenase inhibitors, elastase inhibitors, depigmenting agents, anti-inflammatory agents, steroids, anti-acne agents, antioxidants, salicylic acid or salicylates, thiodipropionic acid or esters thereof, and advanced glycation end-product (AGE) inhibitors.
- In a specific embodiment, the composition may comprise at least one additional botanical, such as, for example, a botanical extract, an essential oil, or the plant itself. Suitable botanicals include, without limitation, extracts from Abies pindrow, Acacia catechu, Anogeissus latifolia, Asmunda japonica, Azadirachta indica, Butea frondosa, Butea monosperma, Cedrus deodara, Emblica officinalis, Ficus benghalensis, Glycyrrhiza glabra, Ilex purpurea Hassk, Innula racemosa, Ligusticum chiangxiong, Ligusticum lucidum, Mallotus philippinensis, Mimusops elengi, Morinda citrifolia, Moringa oleifera, Naringi crenulata, Nerium indicum, Psoralea corylifolia, Stenoloma chusana, Terminalia bellerica, tomato glycolipid, Sapindus rarak, Humulus japonicus, Eclipta prostrate, Amorphophallus campanulatus, Sesbania grandiflora, Pouzolzia pentandra, Melicope hayesii, Ixora chinensis, Erythina indica, Medemia noblis, Tiliacora triandra, Derris scandens, Portulaca oleracea, Alisma orientale, and mixtures thereof.
- The composition may comprise additional active ingredients having anti-aging benefits, as it is contemplated that synergistic improvements may be obtained with such combinations. Exemplary anti-aging components include, without limitation, botanicals (e.g., Butea Frondosa extract); thiodipropionic acid (TDPA) and esters thereof; retinoids (e.g., all-trans retinoic acid, 9-cis retinoic acid, phytanic acid and others); hydroxy acids (including alpha-hydroxyacids and beta-hydroxyacids), salicylic acid and salicylates; exfoliating agents (e.g., glycolic acid, 3,6,9-trioxaundecanedioic acid, etc.), estrogen synthetase stimulating compounds (e.g., caffeine and derivatives); compounds capable of inhibiting 5 alpha-reductase activity (e.g., linolenic acid, linoleic acid, finasteride, and mixtures thereof); barrier function enhancing agents (e.g., ceramides, glycerides, cholesterol and its esters, alpha-hydroxy and omega-hydroxy fatty acids and esters thereof, etc.); collagenase inhibitors; and elastase inhibitors; to name a few. Further additional actives useful for topical application to skin include perilla oil, mangostine, palmitoyl lysylaminovaleroyl lysine (palmitoyl K-ava-K), palmatoyl tetrapeptide-10 (KTFK), L-4-thiazolylalanine, cis-6-nonenol, desthiobiotin, N-(4-mesyloxybenzyl)-N-methoxyethyl-4-chlorobenzene carboxamide, N-(4-mesyloxybenzyl)-N-isobutyl benzenesulfonamide, retinyl oleate, carvacrol, and mixtures thereof.
- Exemplary retinoids include, without limitation, retinoic acid (e.g., all-trans or 13-cis) and derivatives thereof, retinol (Vitamin A) and esters thereof, such as retinol palmitate, retinol acetate and retinol propionate, and salts thereof.
- In another embodiment, the topical compositions of the present invention may also include one or more of the following: a skin penetration enhancer, an emollient, a skin plumper, an optical diffuser, a sunscreen, an exfoliating agent, and an antioxidant.
- An emollient provides the functional benefits of enhancing skin smoothness and reducing the appearance of fine lines and coarse wrinkles. Examples include isopropyl myristate, petrolatum, isopropyl lanolate, silicones (e.g., methicone, dimethicone), oils, mineral oils, fatty acid esters, or any mixtures thereof. The emollient may be preferably present from about 0.1 wt % to about 50 wt % of the total weight of the composition.
- A skin plumper serves as a collagen enhancer to the skin. An example of a suitable, and preferred, skin plumper is palmitoyl oligopeptide. Other skin plumpers are collagen and/or other glycosaminoglycan (GAG) enhancing agents. When present, the skin plumper may comprise from about 0.1 wt % to about 20 wt % of the total weight of the composition.
- An optical diffuser is a particle that changes the surface optometrics of skin, resulting in a visual blurring and softening of, for example, lines and wrinkles. Examples of optical diffusers that can be used in the present invention include, but are not limited to, boron nitride, mica, nylon, polymethylmethacrylate (PMMA), polyurethane powder, sericite, silica, silicone powder, talc, Teflon, titanium dioxide, zinc oxide, or any mixtures thereof. When present, the optical diffuser may be present from about 0.01 wt % to about 20 wt % of the total weight of the composition.
- A sunscreen for protecting the skin from damaging ultraviolet rays may also be included. Preferred sunscreens are those with a broad range of UVB and UVA protection, such as octocrylene, avobenzone (Parsol 1789), octyl methoxycinnamate, octyl salicylate, oxybenzone, homosylate, benzophenone, camphor derivatives, zinc oxide, and titanium dioxide. When present, the sunscreen may comprise from about 0.01 wt % to about 70 wt % of the composition.
- Suitable exfoliating agents include, for example, alpha-hydroxyacids, beta-hydroxyacids, oxaacids, oxadiacids, and their derivatives such as esters, anhydrides and salts thereof. Suitable hydroxy acids include, for example, glycolic acid, lactic acid, malic acid, tartaric acid, citric acid, 2-hydroxyalkanoic acid, mandelic acid, salicylic acid and derivatives thereof. A preferred exfoliating agent is glycolic acid. When present, the exfoliating agent may comprise from about 0.1 wt % to about 80 wt % of the composition.
- An antioxidant functions, among other things, to scavenge free radicals from skin to protect the skin from environmental aggressors. Examples of antioxidants that may be used in the present compositions include compounds having phenolic hydroxy functions, such as ascorbic acid and its derivatives/esters; beta-carotene; catechins; curcumin; ferulic acid derivatives (e.g. ethyl ferulate, sodium ferulate); gallic acid derivatives (e.g., propyl gallate); lycopene; reductic acid; rosmarinic acid; tannic acid; tetrahydrocurcumin; tocopherol and its derivatives; uric acid; or any mixtures thereof. Other suitable antioxidants are those that have one or more thiol functions (—SH), in either reduced or non-reduced form, such as glutathione, lipoic acid, thioglycolic acid, and other sulfhydryl compounds. The antioxidant may be inorganic, such as bisulfites, metabisulfites, sulfites, or other inorganic salts and acids containing sulfur. Compositions of the present invention may comprise an antioxidant preferably from about 0.001 wt % to about 10 wt %, and more preferably from about 0.01 wt % to about 5 wt %, of the total weight of the composition.
- Other conventional additives include: vitamins, such as tocopherol and ascorbic acid; vitamin derivatives such as ascorbyl monopalmitate; thickeners such as hydroxyalkyl cellulose; gelling agents; structuring agents such as bentonite, smectite, magnesium aluminum silicate and lithium magnesium silicate; metal chelating agents such as EDTA; pigments such as zinc oxide and titanium dioxide; colorants; emollients; and humectants.
- It is preferred that the composition be essentially free of components having a strong oxidizing potential, including for example, organic or inorganic peroxides. By “essentially free of” these components is meant that the amounts present are insufficient to have a measurable impact on the collagen I, desmogleins, and/or dermatopontin enhancing activity of the substituted carbamoyl heterocyclic analog. In some embodiments, this will be, on a molar basis in relation to the amount of substituted carbamoyl heterocyclic analog, less than 1%.
- In one embodiment, the composition of the invention comprising a substituted carbamoyl heterocyclic analog may have a pH between about 1 and about 8. In certain embodiments, the pH of the composition will be acidic, i.e., less than 7.0, and preferably will be between about 2 and about 7, more preferably between about 3.5 and about 5.5.
- The invention provides a method for treating aging skin by topically applying a composition comprising a substituted carbamoyl heterocyclic analog, preferably in a cosmetically acceptable vehicle, over the affected area for a period of time sufficient to reduce, ameliorate, reverse or prevent dermatological signs of aging. This method is particularly useful for treating signs of skin photoaging and intrinsic aging.
- Generally, the improvement in the condition and/or aesthetic appearance is selected from the group consisting of: reducing dermatological signs of chronological aging, photo-aging, hormonal aging, and/or actinic aging; preventing and/or reducing the appearance of lines and/or wrinkles; reducing the noticeability of facial lines and wrinkles, facial wrinkles on the cheeks, forehead, perpendicular wrinkles between the eyes, horizontal wrinkles above the eyes, and around the mouth, marionette lines, and particularly deep wrinkles or creases; preventing, reducing, and/or diminishing the appearance and/or depth of lines and/or wrinkles; improving the appearance of suborbital lines and/or periorbital lines; reducing the appearance of crow's feet; rejuvenating and/or revitalizing skin, particularly aging skin; reducing skin fragility; preventing and/or reversing of loss of glycosaminoglycans and/or collagen, in particular collagen I; ameliorating the effects of estrogen imbalance; preventing skin atrophy; preventing, reducing, and/or treating hyperpigmentation; minimizing skin discoloration; improving skin tone, radiance, clarity and/or tautness; preventing, reducing, and/or ameliorating skin sagging; improving skin firmness, plumpness, suppleness and/or softness; improving procollagen and/or collagen production; improving skin texture and/or promoting retexturization; improving skin barrier repair and/or function; improving the appearance of skin contours; restoring skin luster and/or brightness; minimizing dermatological signs of fatigue and/or stress; resisting environmental stress; replenishing ingredients in the skin decreased by aging and/or menopause; improving communication among skin cells; increasing cell proliferation and/or multiplication; increasing skin cell metabolism decreased by aging and/or menopause; retarding cellular aging; improving skin moisturization; enhancing skin thickness; increasing skin elasticity and/or resiliency; enhancing exfoliation; improving microcirculation; decreasing and/or preventing cellulite formation; and any combinations thereof.
- Without wishing to be bound by any particular theory, it is believed that the compositions of the present invention enhance and improve the aesthetic appearance of skin by stimulation of collagen.
- The composition will typically be applied to the skin one, two, or three times daily for as long as is necessary to achieve desired anti-aging results. The treatment regiment may comprise daily application for at least one week, at least two weeks, at least four weeks, at least eight weeks, or at least twelve weeks. Chronic treatment regimens are also contemplated.
- The substituted carbamoyl heterocyclic analog active component is topically applied to an “individual in need thereof,” by which is meant an individual that stands to benefits from reducing visible signs of skin damage or aging. In a specific embodiment, the substituted carbamoyl heterocyclic analog component is provided in a pharmaceutically, physiologically, cosmetically, and dermatologically-acceptable vehicle, diluent, or carrier, where the composition is topically applied to an affected area of skin and left to remain on the affected area in an amount effective for improving the condition and aesthetic appearance of skin.
- In one embodiment, methods for treating fine lines and wrinkles comprise topically applying the inventive substituted carbamoyl heterocyclic analog compositions to the skin of an individual in need thereof, e.g., topically application directly to the fine line and/or wrinkle in an amount and for a time sufficient to reduce the severity of the fine lines and/or wrinkles or to prevent or inhibit the formation of new fine lines and/or wrinkles. The effect of a composition on the formation or appearance of fine lines and wrinkles can be evaluated qualitatively, e.g., by visual inspection, or quantitatively, e.g., by microscopic or computer assisted measurements of wrinkle morphology (e.g., the number, depth, length, area, volume and/or width of wrinkles per unit area of skin). This embodiment includes treatment of wrinkles on the skin of the hands, arms, legs, neck, chest, and face, including the forehead,
- It is also contemplated that the compositions of the invention will be useful for treating thin skin by topically applying the composition to thin skin of an individual in need thereof. “Thin skin” is intended to include skin that is thinned due to chronological aging, menopause, or photo-damage. In some embodiments, the treatment is for thin skin in men, whereas other embodiments treat thin skin in women, pre-menopausal or post-menopausal, as it is believed that skin thins differently with age in men and women, and in particular in women at different stages of life.
- The method of the invention may be employed prophylactically to forestall aging including in patients that have not manifested signs of skin aging, most commonly in individuals under 25 years of age. The method may also reverse or treat signs of aging once manifested as is common in patients over 25 years of age.
- The following examples are meant to demonstrate certain aspects of the invention in a non-limiting fashion.
- The compounds 1-5, and 8-9 were assayed for stimulation of collagen synthesis as follows. Human dermal fibroblasts (Cascade Biologics, Portland, Oreg.) were plated at 10,000 cells/well in 96-well culture plates in supplemented medium (DMEM, 10% Fetal Bovine Serum, 1% Penicillin/Streptomycin and 1% L-Glutamine) overnight in humidified atmosphere of 10% CO2 at 37° C. The next day, the medium was replaced with fresh medium (DMEM, 1% Penicillin/Streptomycin and 1% L-Glutamine) and the compounds dissolved in DMSO were added to the wells in triplicate at a concentration of 0.0005%. DMSO solution was used a control. Following 48-hour incubation, the plates were removed from the incubator and the medium from each well was collected for the procollagen assay.
- Collagen production was measured using procollagen type I C-peptide (PIP) EIA kit (Takara Bio, Inc., Japan). Briefly, the conditioned medium was diluted 1:10 in Sample Diluent. 20 μl of diluted conditioned medium and 100 μl of antibody-POD conjugate solution were added to the wells of the Takara ELISA plate. The ELISA plate was incubated at 37° C. for 3 hours before the wells were washed four times with 400 μl of 1×PBS. At the end of wash, 100 μl of substrate solution (supplied with kit) was added to the wells and incubated at room temperature for 15 minutes. The reaction was stopped by adding 100 μl of 1N sulfuric acid to the wells. The absorbance was measured on a spectrophotometer at 450 nm wavelength. The amount of procollagen peptide in the conditioned medium was calculated from the standard curve. The stimulation of collagen production was shown as an increase in collagen over the control.
- For compounds 1-5 the results were:
- For compounds 8-9 the results were:
- Results illustrate that the compounds included in Tables 1 and 2 are collagen stimulators, and that compounds 1, 8 and 9 are potent stimulators of collagen synthesis.
- Other illustrative examples are shown below in Tables 3 and 4.
- The cosmetic compositions set forth in Table 5 are illustrative of the invention and are useful for topical application to the skin to enhance its aesthetic appearance.
-
TABLE 5 Composition 1 2 3 4 5 Components Weight % Compound 1 of Table 1 0.01 0.05 — — — Compound 5 of Table 1 — — 0.1 — — Compound 8 of Table 2 — — — 0.05 — Compound 9 of Table 2 0.05 Acrylates/C10-30 Alkyl 1 1 1 1 1 Acrylate rosspolymer Cetyl Ethylhexanoate 10 10 10 10 10 C12-15 Alkyl Benzoate 3.9 3.9 3.9 3.9 3.9 Isopropyl Isostearate 3 3 3 3 3 Diisopropyl dimer 0.1 0.1 0.1 0.1 0.1 dillinoleate Tocopheryl acetate 0.5 0.5 0.5 0.5 0.5 Butylene glycol 2 2 2 2 2 Propylene glycol 1 1 1 1 1 Dimethicone PEG-7 0.5 0.5 0.5 0.5 0.5 isostearate Methyl gluceth-20 0.5 0.5 0.5 0.5 0.5 Triethanolamine 1 1 1 1 1 Acrylates/acrylamide 1.5 1.5 1.5 1.5 1.5 copolymer/mineral oil DMDM 0.4 0.4 0.4 0.4 0.4 Hydantoin/Iodopropynyl- tylcarbonate Deionized water q.s. q.s. q.s. q.s. q.s. Total: 100 100 100 100 100 - All references including patent applications and publications cited herein are incorporated herein by reference in their entirety and for all purposes to the same extent as if each individual publication or patent or patent application was specifically and individually indicated to be incorporated by reference in its entirety for all purposes. Many modifications and variations of this invention can be made without departing from its spirit and scope, as will be apparent to those skilled in the art. The specific embodiments described herein are offered by way of example only, and the invention is to be limited only by the terms of the appended claims, along with the full scope of equivalents to which such claims are entitled.
Claims (16)
1. A cosmetic composition for improving the aesthetic appearance of human skin comprising a cosmetically acceptable vehicle in the form of a water-in-oil or oil-in-water emulsion, and an effective amount of a collagen-stimulating compound of formula I:
where:
ε1-ε3 are independently selected from CRa, N, or NRb, and wherein the ring A is optionally aromatic or may comprise zero, one, or two double bonds;
with the proviso that at least one of ε1, ε2, or ε3 is NRb; and in the case where ε3 is NRb, then ε2 is a nitrogen atom, and the bond between ε1 and ε2 is a double bond; in the case where ε2 is NRb, then ε1 is a nitrogen atom, and the bond between ε1 and the carbon atom to which R1 is attached is a double bond; and in the case where ε1 is NRb, then ε2 is a nitrogen atom, and the bond between ε2 and ε3 is a double bond;
Rb is an aryl group of the form,
R1 is selected from a group consisting of H, or a C1-6 alkyl, alkenyl, alkynyl, aryl, or heteroaryl group optionally substituted with one or more C1-6 alkyl, alkenyl, alkynyl, aryl, or Ra groups;
R2 and R3 are independently selected from the group consisting of C1-6 alkyl, alkenyl, alkynyl, and aryl, which could be optionally connected to form together with the nitrogen atom to which they are attached a 5, 6, or 7 membered ring, saturated or unsaturated, which optionally further comprises one or more heteroatoms in the ring, selected from oxygen, nitrogen, or sulfur, and wherein R2 and R3 are optionally substituted with one or more groups Ra;
R4-R8 are independently selected from the group consisting of Ra, C1-6 alkyl, alkenyl, alkynyl, and aryl, each of which could be optionally further substituted with one or more groups Ra;
wherein Ra is independently, at each occurrence, selected from hydrogen, halogen (F, Cl, Br, or I); —OH; —NH2; —NRNRN; —SH; —CN; oxo; —CHO; —CO2H; —O—(C═O)—H; —O—(C═O)—C1-10 alkyl; —O—(C═O)-Ar; —(C═O)—O—C1-10 alkyl; —(C═O)—O—Ar; —(C═O)—NRNRN; —O—C1-10 alkyl; —O—Ar; —S—C1-10 alkyl; —S—Ar; —Ar; —C1-10 alkyl; —NRN—CHO; —NRN—(C═O)—C1-10 alkyl; —C1-10 alkyl-O—C1-10 alkyl; perfluoroalkyl; epoxy; azido; thiocyanate; —SO2—RN; or nitro;
wherein RN is independently selected, at each occurrence, from hydrogen or a C1-16 hydrocarbon radical, optionally substituted with a group Ra; and where any two adjacent groups RN may together form a 5, 6, or 7 membered ring;
or a cosmetically acceptable salt thereof.
2. The cosmetic composition to claim 1 , wherein said compound of structure (I) is selected from the group of compounds consisting of:
(a)
and mixtures thereof,
where R1, R4-R8, Ra, and RN are as defined in claim 22; and
Q is a 3-7 membered heterocyclic ring, optionally aromatic, and which may comprise zero, one, or two double bonds;
X is selected from CRa, C(Ra)2, N, O, S, NRN, or a bond (i.e., absent); and
L1 and L2 are independently selected from a bond or a group X1-(L3)l-X2, where “l” is an integer from 0 to 4; where L3 is selected from CRa, C(Ra)2, or a bond; and X1 and X2 are independently selected from N, NRN, O, S, or a bond;
or a cosmetically acceptable salt thereof.
3. The cosmetic composition according to claim 2 , wherein
L1 is —(CH2)m—, and L2 is —(CH2)n—, wherein “m” and “n” are independently selected from integers from 1-3; and
X is selected from N, NRN, S, O, or a bond;
or a cosmetically acceptable salt thereof.
4. The cosmetic composition according to claim 3 , wherein ring Q is a heterocycle selected from the group consisting of aziridine, diaziridine, oxaziridine, azetidine, diazetidine, oxazetidine, pyrrolidine, oxazolidine, thiazolidine, imidazolidine, pyrazolidine, pyrrole, imidazole, pyrazole, 1,3,4-triazole, 1,2,3-triazole, piperidine, morpholine, piperazine, and thiomorpholine, each being optionally substituted with one or more groups Ra.
5. The cosmetic composition according to claim 4 , wherein ring Q is a heterocycle selected from the group consisting of pyrrolidine, morpholine, and piperazine, each being optionally substituted with one or more groups Ra.
6. The composition according to claim 5 , wherein said compound has the structure Ia.
7. The composition according to claim 6 , wherein Ra is hydrogen, methyl, ethyl, propyl, and R1 is hydrogen, methyl, ethyl, or propyl.
8. The composition according to claim 7 , wherein R4 to R8 are independently hydrogen, methyl, ethyl, propyl, chloro, or bromo, with at least two of R4 to R8 being hydrogen.
9. The composition according to claim 6 , wherein the heterocycle is pyrrolidine.
10. The composition according to claim 6 , wherein the heterocycle is morpholine.
11. The composition according to claim 6 , wherein the heterocycle is piperazine.
14. The cosmetic composition according to claim 1 wherein said effective amount comprises from about 0.0001% to about 1% by weight of the total composition.
15. The cosmetic composition according claim 14 , wherein said effective amount is between about 0.001% to about 0.5% by weight of the total composition.
16. The cosmetic composition according to claim 14 , wherein said effective amount is between about 0.01% to about 0.2% by weight of the total composition.
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US15/042,918 US20160158131A1 (en) | 2011-10-24 | 2016-02-12 | Compositions and Methods for Stimulating Collagen Synthesis in the Skin |
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US13/279,605 US9289365B2 (en) | 2011-10-24 | 2011-10-24 | Compositions and methods for stimulating collagen synthesis in the skin |
US15/042,918 US20160158131A1 (en) | 2011-10-24 | 2016-02-12 | Compositions and Methods for Stimulating Collagen Synthesis in the Skin |
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US13/279,605 Expired - Fee Related US9289365B2 (en) | 2011-10-24 | 2011-10-24 | Compositions and methods for stimulating collagen synthesis in the skin |
US15/042,918 Abandoned US20160158131A1 (en) | 2011-10-24 | 2016-02-12 | Compositions and Methods for Stimulating Collagen Synthesis in the Skin |
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EP (1) | EP2770832A4 (en) |
WO (1) | WO2013062667A1 (en) |
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WO2011087654A1 (en) | 2009-12-22 | 2011-07-21 | Avon Products, Inc. | Paxillin stimulating compositions and cosmetic uses thereof |
US20110159125A1 (en) | 2009-12-29 | 2011-06-30 | Avon Products, Inc. | CGRP Compositions and Uses Thereof |
CN106727054A (en) | 2010-06-30 | 2017-05-31 | 雅芳产品公司 | For the composition and method that stimulate MAGP 1 to improve skin appearance |
US10195136B2 (en) | 2011-08-24 | 2019-02-05 | Avon Products, Inc. | Collagen and elastin stimulating compositions and uses thereof |
US10092574B2 (en) | 2012-09-26 | 2018-10-09 | Valorisation-Recherche, Limited Partnership | Inhibitors of polynucleotide repeat-associated RNA foci and uses thereof |
TW201422246A (en) * | 2012-12-11 | 2014-06-16 | Avon Prod Inc | Method of improving aging appearance of skin by modulation of WIPI-1 |
US11034669B2 (en) | 2018-11-30 | 2021-06-15 | Nuvation Bio Inc. | Pyrrole and pyrazole compounds and methods of use thereof |
Citations (1)
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WO2004078732A1 (en) * | 2003-01-28 | 2004-09-16 | Aventis Pharma S.A. | N-aryl heteroaromatic products, compositions containing same and use thereof |
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US4122029A (en) | 1977-07-27 | 1978-10-24 | Dow Corning Corporation | Emulsion compositions comprising a siloxane-oxyalkylene copolymer and an organic surfactant |
US4781917A (en) | 1987-06-26 | 1988-11-01 | The Proctor & Gamble Company | Antiperspirant gel stick |
US5206242A (en) | 1989-02-10 | 1993-04-27 | Basf Aktiengesellschaft | Diaryl-substituted pyrazole compounds and drugs and cosmetics obtained therefrom |
EP1019394A1 (en) | 1997-05-22 | 2000-07-19 | G.D. Searle & Co. | PYRAZOLE DERIVATIVES AS p38 KINASE INHIBITORS |
US6685952B1 (en) | 1999-06-25 | 2004-02-03 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Personal care compositions and methods-high internal phase water-in-volatile silicone oil systems |
EP1594438B1 (en) | 2003-02-12 | 2013-07-17 | L'Oréal | Use of an inhibitor of 15-hydroxyprostaglandin dehydrogenase in order to stimulate pigmentation of the skin or hair |
WO2004098589A1 (en) | 2003-05-02 | 2004-11-18 | Elan Pharmaceuticals, Inc. | 4- bromo - 5 - (2- chloro - benzoylamino) - 1h - pyrazole - 3 - carboxylic acid amide derivatives and related compounds as bradykinin b1 receptor antagonists for the treatment of inflammatory diseases |
US7612060B2 (en) | 2004-10-13 | 2009-11-03 | Amgen Inc. | Triazoles and methods of use |
US7300649B2 (en) | 2005-02-11 | 2007-11-27 | Genepharm, Inc. | Cosmetic and cosmeceutical compositions for restoration of skin barrier function |
US7998995B2 (en) | 2006-12-08 | 2011-08-16 | Exelixis Patent Company Llc | LXR and FXR modulators |
US7977358B2 (en) * | 2007-07-26 | 2011-07-12 | Hoffmann-La Roche Inc. | Pyrazol derivatives |
WO2010001258A2 (en) * | 2008-06-30 | 2010-01-07 | Centre National De La Recherche Scientifique | Inhibition of tumour growth and metastases |
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WO2004078732A1 (en) * | 2003-01-28 | 2004-09-16 | Aventis Pharma S.A. | N-aryl heteroaromatic products, compositions containing same and use thereof |
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WO 2004/078732 A1 machine translation * |
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EP2770832A1 (en) | 2014-09-03 |
US20130102606A1 (en) | 2013-04-25 |
US9289365B2 (en) | 2016-03-22 |
WO2013062667A1 (en) | 2013-05-02 |
EP2770832A4 (en) | 2015-11-04 |
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