ES2750873T3 - Formulación para el tratamiento del acné - Google Patents
Formulación para el tratamiento del acné Download PDFInfo
- Publication number
- ES2750873T3 ES2750873T3 ES16757018T ES16757018T ES2750873T3 ES 2750873 T3 ES2750873 T3 ES 2750873T3 ES 16757018 T ES16757018 T ES 16757018T ES 16757018 T ES16757018 T ES 16757018T ES 2750873 T3 ES2750873 T3 ES 2750873T3
- Authority
- ES
- Spain
- Prior art keywords
- peroxide
- linear
- carbon atoms
- branched alkyl
- alkyl groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims description 22
- 238000009472 formulation Methods 0.000 title claims description 18
- 206010000496 acne Diseases 0.000 title claims description 12
- 208000002874 Acne Vulgaris Diseases 0.000 title claims description 10
- 150000002978 peroxides Chemical class 0.000 claims abstract description 30
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000001257 hydrogen Substances 0.000 claims abstract description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 8
- 239000003814 drug Substances 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- AGKBXKFWMQLFGZ-UHFFFAOYSA-N (4-methylbenzoyl) 4-methylbenzenecarboperoxoate Chemical group C1=CC(C)=CC=C1C(=O)OOC(=O)C1=CC=C(C)C=C1 AGKBXKFWMQLFGZ-UHFFFAOYSA-N 0.000 claims description 6
- 241000191963 Staphylococcus epidermidis Species 0.000 claims description 6
- 208000020154 Acnes Diseases 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 241000191967 Staphylococcus aureus Species 0.000 claims description 4
- 239000006172 buffering agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000035755 proliferation Effects 0.000 claims description 3
- 239000000375 suspending agent Substances 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 27
- -1 alkyl dimethylone Chemical compound 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 12
- 235000019400 benzoyl peroxide Nutrition 0.000 description 11
- 229940008099 dimethicone Drugs 0.000 description 11
- 239000004205 dimethyl polysiloxane Substances 0.000 description 11
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 11
- 239000000725 suspension Substances 0.000 description 10
- 229940048053 acrylate Drugs 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000000440 bentonite Substances 0.000 description 5
- 229910000278 bentonite Inorganic materials 0.000 description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 5
- 229920006037 cross link polymer Polymers 0.000 description 5
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- GADGVXXJJXQRSA-UHFFFAOYSA-N ethenyl 8-methylnonanoate Chemical compound CC(C)CCCCCCC(=O)OC=C GADGVXXJJXQRSA-UHFFFAOYSA-N 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- GQEZCXVZFLOKMC-UHFFFAOYSA-N n-alpha-hexadecene Natural products CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 3
- 229920001610 polycaprolactone Polymers 0.000 description 3
- 229940047670 sodium acrylate Drugs 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 229920001285 xanthan gum Polymers 0.000 description 3
- OKIYQFLILPKULA-UHFFFAOYSA-N 1,1,1,2,2,3,3,4,4-nonafluoro-4-methoxybutane Chemical compound COC(F)(F)C(F)(F)C(F)(F)C(F)(F)F OKIYQFLILPKULA-UHFFFAOYSA-N 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 2
- OSNIIMCBVLBNGS-UHFFFAOYSA-N 1-(1,3-benzodioxol-5-yl)-2-(dimethylamino)propan-1-one Chemical compound CN(C)C(C)C(=O)C1=CC=C2OCOC2=C1 OSNIIMCBVLBNGS-UHFFFAOYSA-N 0.000 description 2
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 2
- HFDVRLIODXPAHB-UHFFFAOYSA-N 1-tetradecene Chemical compound CCCCCCCCCCCCC=C HFDVRLIODXPAHB-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- BANXPJUEBPWEOT-UHFFFAOYSA-N 2-methyl-Pentadecane Chemical compound CCCCCCCCCCCCCC(C)C BANXPJUEBPWEOT-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 2
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000004471 Glycine Substances 0.000 description 2
- 229920002774 Maltodextrin Polymers 0.000 description 2
- 239000005913 Maltodextrin Substances 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 230000001332 colony forming effect Effects 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- 239000011928 denatured alcohol Substances 0.000 description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
- KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 description 2
- 229910000271 hectorite Inorganic materials 0.000 description 2
- WVDDGKGOMKODPV-UHFFFAOYSA-N hydroxymethyl benzene Natural products OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 2
- 229940035034 maltodextrin Drugs 0.000 description 2
- 229940104873 methyl perfluorobutyl ether Drugs 0.000 description 2
- 150000001451 organic peroxides Chemical class 0.000 description 2
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 description 2
- 229940057874 phenyl trimethicone Drugs 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 235000007686 potassium Nutrition 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 229940032044 quaternium-18 Drugs 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- 235000011008 sodium phosphates Nutrition 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical class [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 2
- 239000011009 synthetic ruby Substances 0.000 description 2
- UUJLHYCIMQOUKC-UHFFFAOYSA-N trimethyl-[oxo(trimethylsilylperoxy)silyl]peroxysilane Chemical compound C[Si](C)(C)OO[Si](=O)OO[Si](C)(C)C UUJLHYCIMQOUKC-UHFFFAOYSA-N 0.000 description 2
- 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 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- 239000000230 xanthan gum Substances 0.000 description 2
- 235000010493 xanthan gum Nutrition 0.000 description 2
- 229940082509 xanthan gum Drugs 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- MEJYDZQQVZJMPP-ULAWRXDQSA-N (3s,3ar,6r,6ar)-3,6-dimethoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan Chemical compound CO[C@H]1CO[C@@H]2[C@H](OC)CO[C@@H]21 MEJYDZQQVZJMPP-ULAWRXDQSA-N 0.000 description 1
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1 -dodecene Natural products CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 1
- DWANEFRJKWXRSG-UHFFFAOYSA-N 1,2-tetradecanediol Chemical compound CCCCCCCCCCCCC(O)CO DWANEFRJKWXRSG-UHFFFAOYSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- 229940035437 1,3-propanediol Drugs 0.000 description 1
- YSGUQWIFQCHISR-UHFFFAOYSA-N 1-aminopropan-2-yloxyboronic acid Chemical compound NCC(C)OB(O)O YSGUQWIFQCHISR-UHFFFAOYSA-N 0.000 description 1
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
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- DFUYAWQUODQGFF-UHFFFAOYSA-N 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane Chemical compound CCOC(F)(F)C(F)(F)C(F)(F)C(F)(F)F DFUYAWQUODQGFF-UHFFFAOYSA-N 0.000 description 1
- SQEGLLMNIBLLNQ-UHFFFAOYSA-N 1-ethoxy-1,1,2,3,3,3-hexafluoro-2-(trifluoromethyl)propane Chemical compound CCOC(F)(F)C(F)(C(F)(F)F)C(F)(F)F SQEGLLMNIBLLNQ-UHFFFAOYSA-N 0.000 description 1
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 1
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- HANWHVWXFQSQGJ-UHFFFAOYSA-N 1-tetradecoxytetradecane Chemical compound CCCCCCCCCCCCCCOCCCCCCCCCCCCCC HANWHVWXFQSQGJ-UHFFFAOYSA-N 0.000 description 1
- 229940043268 2,2,4,4,6,8,8-heptamethylnonane Drugs 0.000 description 1
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 description 1
- SBASXUCJHJRPEV-UHFFFAOYSA-N 2-(2-methoxyethoxy)ethanol Chemical compound COCCOCCO SBASXUCJHJRPEV-UHFFFAOYSA-N 0.000 description 1
- XHZPRMZZQOIPDS-UHFFFAOYSA-N 2-Methyl-2-[(1-oxo-2-propenyl)amino]-1-propanesulfonic acid Chemical compound OS(=O)(=O)CC(C)(C)NC(=O)C=C XHZPRMZZQOIPDS-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
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- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- OYINQIKIQCNQOX-UHFFFAOYSA-M 2-hydroxybutyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCC(O)C[N+](C)(C)C OYINQIKIQCNQOX-UHFFFAOYSA-M 0.000 description 1
- KOZZOZYINRDZOU-UHFFFAOYSA-N 2-octadecoxyethyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCCCCCCCCCOCCOC(=O)C(C)=C KOZZOZYINRDZOU-UHFFFAOYSA-N 0.000 description 1
- UMVZEWHYBHAICZ-UHFFFAOYSA-N 2-phenylethyl(silyloxy)silane Chemical compound [SiH3]O[SiH2]CCC1=CC=CC=C1 UMVZEWHYBHAICZ-UHFFFAOYSA-N 0.000 description 1
- SZHQPBJEOCHCKM-UHFFFAOYSA-N 2-phosphonobutane-1,2,4-tricarboxylic acid Chemical compound OC(=O)CCC(P(O)(O)=O)(C(O)=O)CC(O)=O SZHQPBJEOCHCKM-UHFFFAOYSA-N 0.000 description 1
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- COJADMTVMJHMNE-UHFFFAOYSA-N 6,6-diethyloctanoic acid Chemical compound CCC(CC)(CC)CCCCC(O)=O COJADMTVMJHMNE-UHFFFAOYSA-N 0.000 description 1
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- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
- 239000005695 Ammonium acetate Substances 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000004251 Ammonium lactate Substances 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 208000032544 Cicatrix Diseases 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 241000186427 Cutibacterium acnes Species 0.000 description 1
- 244000303965 Cyamopsis psoralioides Species 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 229940032158 sodium silicate Drugs 0.000 description 1
- 235000019794 sodium silicate Nutrition 0.000 description 1
- 229940074404 sodium succinate Drugs 0.000 description 1
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 description 1
- UGTZMIPZNRIWHX-UHFFFAOYSA-K sodium trimetaphosphate Chemical compound [Na+].[Na+].[Na+].[O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 UGTZMIPZNRIWHX-UHFFFAOYSA-K 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 229940073743 steareth-20 methacrylate Drugs 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- SYDJVRWZOWPNNO-UHFFFAOYSA-N sucrose-benzoate Natural products OCC1OC(OC2(COC(=O)c3ccccc3)OC(CO)C(O)C2O)C(O)C(O)C1O SYDJVRWZOWPNNO-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229940104261 taurate Drugs 0.000 description 1
- 229940095068 tetradecene Drugs 0.000 description 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- WZKPOPMJOWWSBZ-UHFFFAOYSA-N trimethyl-[phenyl-[phenyl-bis(trimethylsilyloxy)silyl]oxy-trimethylsilyloxysilyl]oxysilane Chemical compound C=1C=CC=CC=1[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](O[Si](C)(C)C)(O[Si](C)(C)C)C1=CC=CC=C1 WZKPOPMJOWWSBZ-UHFFFAOYSA-N 0.000 description 1
- VXYADVIJALMOEQ-UHFFFAOYSA-K tris(lactato)aluminium Chemical compound CC(O)C(=O)O[Al](OC(=O)C(C)O)OC(=O)C(C)O VXYADVIJALMOEQ-UHFFFAOYSA-K 0.000 description 1
- ZQTYRTSKQFQYPQ-UHFFFAOYSA-N trisiloxane Chemical compound [SiH3]O[SiH2]O[SiH3] ZQTYRTSKQFQYPQ-UHFFFAOYSA-N 0.000 description 1
- ZXGOACRTCPRVON-UHFFFAOYSA-K trisodium;2-sulfonatobutanedioate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(C([O-])=O)S([O-])(=O)=O ZXGOACRTCPRVON-UHFFFAOYSA-K 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 229940071566 zinc glycinate Drugs 0.000 description 1
- VUDJAFZYSMINQA-UHFFFAOYSA-L zinc metaphosphate Chemical compound [Zn+2].[O-]P(=O)=O.[O-]P(=O)=O VUDJAFZYSMINQA-UHFFFAOYSA-L 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- UOXSXMSTSYWNMH-UHFFFAOYSA-L zinc;2-aminoacetate Chemical compound [Zn+2].NCC([O-])=O.NCC([O-])=O UOXSXMSTSYWNMH-UHFFFAOYSA-L 0.000 description 1
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
Peróxido de la fórmula**Fórmula** en la que R1 se selecciona de entre grupos alquilo lineales y ramificados con 1-4 átomos de carbono, y R2, R3 y R4 se seleccionan de entre hidrógeno y grupos alquilo lineales y ramificados con 1-4 átomos de carbono, para uso como medicamento.
Description
DESCRIPCIÓN
Formulación para el tratamiento del acné.
La presente invención se refiere a un peróxido orgánico para el tratamiento del acné y a una formulación para el tratamiento de la piel que comprende este peróxido orgánico.
El acné vulgar es un trastorno crónico de los folículos (aparatos) pilosebáceos que se caracteriza por comedones (puntos negros), pápulas, pústulas, quistes, nódulos y, a menudo, cicatrices que aparecen en las regiones más visibles de la piel, en particular el rostro, el pecho, la espalda y a veces el cuello y la parte superior de los brazos. El acné afecta al 90 % de todos los adolescentes y a muchos hombres y mujeres de edad avanzada. El acné es causado por bacterias, tales como Staphylococcus aureus (ATCC 6538), Staphylococcus epidermidis (ATCC 12228) y Propionibacerium acnes (ATCC 6919).
El peróxido de dibenzoilo es un principio activo bien conocido en formulaciones para el tratamiento del acné. Es capaz de inhibir la proliferación de las bacterias mencionadas anteriormente.
Sorprendentemente, ahora se ha descubierto que la sustitución del peróxido de dibenzoilo con grupos alquilo o alcoxi da como resultado una actividad antimicrobiana aún mejor contra estas bacterias.
Por lo tanto, la presente invención se refiere a la utilidad de un peróxido con la fórmula
en la que R1 se selecciona de entre grupos alquilo lineales y ramificados con 1-4 átomos de carbono, y R2, R3 y R4 se seleccionan de entre hidrógeno y grupos alquilo lineales y ramificados con 1-4 átomos de carbono, para destruir y/o inhibir la proliferación de Staphylococcus aureus (ATCC 6538), Staphylococcus epidermidis (ATCC 12228) y Propionibacerium acnes (ATCC 6919) y, en consecuencia, para el tratamiento del acné.
La invención también se refiere a una formulación para el tratamiento de la piel que comprende dicho peróxido, agua y un sistema dispersante.
En una realización preferida, R1 y R2 son ambos grupos metilo, ambos grupos butilo terciarios o grupos n-butilo, mientras que R3 y R4 son preferentemente hidrógenos.
En una realización aún más preferida, R1 y R2 están ambos situados en la posición para.
En una realización más preferida, el peróxido es peróxido de di(4-metilbenzoilo).
El peróxido es sólido a temperatura ambiente y tiene forma de partículas.
En una realización preferida, el 99 % de las partículas de peróxido (d99) tienen un diámetro o menos de 75 micras, más preferentemente menos de 50 micras, más preferentemente menos de 25 micras, incluso más preferentemente menos de 10 micras, y de la manera más preferente menos de 5 micras. Las partículas son preferentemente mayores de 0,1 micras, de la manera más preferente mayores de 0,5 micras.
El tamaño de partícula se mide usando difracción de luz láser de una suspensión acuosa de peróxido de acuerdo con la norma NEN-ISO 13320-1, después de 10 minutos de ultrasonidos para desaglomerar la muestra.
Dichos tamaños de partícula de peróxido se pueden obtener moliendo en húmedo el peróxido, ya sea antes o después de que se haya introducido en la formulación para el tratamiento de la piel.
La formulación para el tratamiento de la piel puede tener la forma de una crema, gel o loción, o cualquier otra forma que permita su aplicación en la piel. El peróxido, que es típicamente sólido a temperatura ambiente, está presente en dicha formulación como partículas sólidas.
El sistema dispersante sirve para estabilizar la suspensión de peróxido en agua. El sistema dispersante contiene al
menos un compuesto seleccionado de entre uno o más agentes de suspensión, uno o más coadyuvantes gelificantes, uno o más agentes tamponantes, uno o más antiespumantes y uno o más dispersantes. Estos compuestos deben ser no reactivos con respecto al peróxido y no tóxicos y, por lo tanto, seguros para aplicación tópica.
Los agentes de suspensión adecuados incluyen copolímeros de acrilato, copolímero de acrilato/metoxi peg-15 metacrilato, polímero reticulado de acrilato/esteareth-20 metacrilato, polímero reticulado de acrilato/isodecanoato de vinilo, copolímero de acrilato/vp, copolímero de ácido acrílico/ácido acrilamidometilpropanosulfónico, polímero reticulado de ácido acrílico/vp, copolímero de estireno de amonio/acrilatos, copolímero de acetato de vinil amonio/acrilatos, bentonita, biotita, babasuato de butilo, lignosulfonato de calcio, polímero reticulado de alquil C4-24 dimeticona/divinildimeticona, quitosana lauramida succinamida, polvo de coralline officinalis, copolímero de almidón de maíz/acrilamida/acrilato de sodio, goma deshidroxantana, tridecanoato de circonio dialiloxineohexil zirconio, hectorita de bencilamonio de sebo deshidrogenado, polímero reticulado de dimeticona, copolímero de dimeticonol/estearil meticona/fenil trimeticona, copolímero de dimetilol urea/fenol/fenolsulfonato de sodio, pentaisoestearato de dipentaerititilo, dinaftalenosulfonato disódico de metileno, hectorita de disteardimonio, isoestearato/sebacato de ditrimetilolpropano, trietilhexanoato de ditrimetilolpropano, trietilhexanoato de erititilo, copolímero de etileno/ma, copolímero de etileno/va, hidroxiestearato de etilhexil hidroxiestearoilo, trisiloxano de etilo, glicéridos de feruloil soja, vidrio, perlas de vidrio, hectorita, olivato de isocetilo hidrogenado, lecitina hidrogenada, copolímero de acrilato de hidroxietilo/actiloildimetil taurato de sodio, hidroxietil pei-1000, hidroxietil pei-1500, almidón de hidroxipropilo, polímero reticulado de hidroxipropiltrimonio maltodextrina, copolímero de isobutileno/ma, babasuato de isopropilo, éster isopropílico de copolímero de pvm/ma, fosfato de magnesio, maltodextrina, copolímero de metacrilol etil betaína/acrilatos, copolímero de metoxi peg-17/dodecilglicol, copolímero de metoxi peg-22/dodecilglicol, metoxi peg-114/poliepsilon caprolactona, metacrilato de metilo, miristoilo/pca quitina, nitrocelulosa, dilinoleato dimérico de éter miristílico de octildodecilo/ppg-3, dioleato de aceite de ricino peg-18, copolímero de peg-150/alcohol decílico/smdi, polímero reticulado de dimeticona peg-12, copolímero de alcohol estearílico peg-150/smdi, pei-7, pei-10, pei-15, pei-30, pei-35, pei-45, pei-250, pei-275, pei-700, pei-1000, pei-1400, pei-1500, pei-1750, pei-2500, pei-14m, pentafluoropropano, meadowfoamato de perfluoronil octildodecil glicol, perlita, ácido fosfonobutanotricacarboxílico, ácido poliacrilamidometilpropano sulfónico, poliacrilato-10, poliacrilato-11, policaprolactona, polietilacrilato, isoestearato/laurato de poliglicerilo-4, ácido polihidroxiesteárico, polioximetileno cianoguanidina urea, fosfato de poliperfluoretoximetoxi peg-2, acetato de polivinil imidazolinio, éter metílico de polivinil, neoheptanoato de éter miristílico de ppg-3, ricinoleato de propilenglicol, copolímero de pvm/ma, pvp, copolímero de pvp/va/ácido itacónico, Quaternium-18 bentonita, Quaternium-18/benzalconio bentonita, Quaternium-18 hectorita, Quaternium-90 bentonita, goma rizobiana, sílice, sililato de dimeticona de sílice, dimetilsililato de sílice, sililato de sílice, copolímero de acrilato de sodio/acriloildimetil taurato de sodio/acrilamida, polímero reticulado de acrilatos de sodio/isodecanoato de vinilo, polímero reticulado de acrilatos de sodio/isodecanoato de vinilo, copolímero de ácido acrílico de sodio/ma, copolímero de acriloildimetil taurato de sodio/acrilamida/vp, copolímero de olefina C4-12 de sodio/ácido maleico, sulfato de dextrano sódico, fosfato de dimaltodextrina sódica, glicereth-1 polifosfato sódico, copolímero de isooctileno de sodio/ma, magnesio fluorosilicato de sodio, cloruro de almidón hidroxipropiltrimonio, estearalaconio bentonita, estearalaconio hectorita, dilinoleato dimérico de éter miristílico de estearil/ppg-3, copolímero de éter estearilvinílico/ma, copolímero de estireno/acrilatos/acrilonitrilo, copolímero de estireno/acrilatos/metacrilato de amonio, copolímero de estireno/ma, copolímero de benzoato de sacarosa/acetato isobutirato de sacarosa /bencil ftalato de butilo, rubí sintético, polvo de rubí sintético, tosilamida/resina epoxi, tosilamida/resina de formaldehído, tribenzoil triricinoleína, copolímero de vp/dimetilaminoetilmetacrilato, copolímero de vp/eicoseno, copolímero de vp/hexadeceno y copolímero de vp/va.
Los agentes gelificantes adecuados incluyen alcohol, alcohol desnaturalizado, alcohol bencílico, 1,2-butanodiol, butoxidiglicol, butoxietanol, butilenglicol, alcohol cd 19, ceteareth-22, isoparafina C7-8, isoparafina Ca-g, isoparafina Cg.
11, isoparafina C9-13, isoparafina C9-14, isoparafina C10-11, isoparafina C10-12, isoparafina C11-14, decano, deceno, queroseno desodorizado, dietilenglicol, éter dimetílico, isosorburo de dimetilo, dimetil sulfona, dipropilenglicol, dodeceno, etoxidiglicol, etoxietanol, etil perfluorobutil éter, etil perfluoroisobutil éter, etil trisiloxano, glycereth-7, glycereth-8, glycereth-12, glycereth-20, glycereth-26, glycereth-31, glicerina, glicofurol, glicol, heptano, hexadeceno, hexano, 1,2,6-hexanotriol, alcohol hexílico, hexilenglicol, isobutoxipropanol, isopentano, alcohol isopropílico, metoxidiglicol, metoxietanol, acetato de metoxietanol, metoxiisopropanol, metil hexil éter, metil perfluorobutil éter, metil perfluoroisobutil éter, octadeceno, octano, pentano, poligliceril sorbitol, propanodiol, alcohol propílico, carbonato de propileno, propilenglicol, alcohol sd 1, alcohol sd 3-a, alcohol sd 3-b, alcohol sd 3-c, alcohol sd 23-a, alcohol sd 23-f, alcohol sd 23-h, alcohol sd 27-b, alcohol sd 30, alcohol sd 31-a, alcohol sd 36, alcohol sd 37, alcohol sd 38-b, alcohol sd 38-c, alcohol sd 38-d, alcohol sd 38-f, alcohol sd 39, alcohol sd 39-a, alcohol sd 39-b, alcohol sd 39-c, alcohol sd 39-d, alcohol sd 40, alcohol sd 40-1, alcohol sd 40-b, alcohol sd 40-c, alcohol sd 46, sorbeth-6, sorbeth-30, sorbeth-40, tetradeceno y trietilenglicol, trementina.
Los antiespumantes adecuados incluyen alcohol, alcohol desnaturalizado, metacrilato de behenilo/óxido de etilamina, copolímero de metacrilato, bisfenilhexameticona, cetil dimeticona, c12-14 sec-pareth-5, dimeticona, sililato de dimeticona, dimeticonol, difenil dimeticona, difenilsiloxifenil trimeticona, disiloxano, fluoroalquil c2-8 dimeticona, hexadecil meticona, alcohol hexílico, alcohol isopropílico, laureth-5 butil éter, peg/ppg-8/26 dimeticona, peg/ppg-12/16 dimeticona, peg/ppg-12/18 dimeticona, peg/ppg-16/8 dimeticona, destilados de petróleo, fenetil disiloxano, fenil dimeticona, fenil trimeticona, polisilicona-1, polisilicona-2, polisilicona-7, polisilicona-8, polisilicona-10, alcohol
propílico, sililato de sílice dimeticona, sililato de sílice, dimeticona, trimetilsiloxisilicato, polímero reticulado de trimetilsiloxisilicato/dimeticona, trifenil trimeticona y trisiloxano.
Los agentes tamponantes adecuados incluyen glicinato de aluminio, lactato de aluminio, acetato de amonio, carbonato de amonio, hexafluorofosfato de amonio, lactato de amonio, molibdato de amonio, fosfato de amonio, vanadato de amonio, ácido bórico, carbonato de calcio, fosfato de calcio, minerales arcillosos, ciclohexilamina, decapéptido-7, citrato de diamonio, fosfato de diamonio, bisulfato de dietanolamina, dietilamina, dietil etanolamina, fumarato disódico, fosfato disódico, pirofosfato disódico, ectoína, etanolamina hcl, glicina, ácido hidroxietilpiperazina etano sulfónico, lauril p-cresol cetoxima, fluoruro de litio, acetato de magnesio, lactato de magnesio, mes-borato, metoxi peg-114/poliepsilon caprolactona, mipa-borato, ácido fosfonobutanotricarboxílico, acetato de potasio, bicarbonato de potasio, biftalato de potasio, citrato de potasio, lactato de potasio, acetato de sodio, aluminato de sodio, lactato de aluminio y sodio, bicarbonato de sodio, citrato de sodio, fumarato de sodio, humato de sodio, lactato de sodio, fosfato de sodio, silicato de sodio, succinato de sodio, trimetafosfato de sodio, pirofosfato tetrapotásico, pirofosfato tetrasódico, sulfosuccinato trisódico, urea, glicinato de zinc y hexametafosfato de zinc.
Los dispersantes adecuados incluyen derivados celulósicos y tensioactivos, que incluyen tanto tensioactivos aniónicos como tensioactivos no iónicos, materiales coloidales inorgánicos y polímeros de carboxivinilo (carbómero). El dispersante puede comprender éteres de celulosa y ésteres de celulosa tales como carboximetilcelulosa, hidroxietilcelulosa o hidroxipropilmetilcelulosa; gomas de polisacáridos tales como gomas xantana, gomas guar, goma de carragenano, almidones modificados tales como el almidón de patata modificado y similares, poliacrilamidas tales como la mezcla de poliacrilamida/isoparafina C13-Wlaureth-7, una mezcla de copolímero de acriloildimetiltaurato de sodio/isohexadecano/polisorbato 80; polímeros acrílicos acoplados a cadenas hidrófobas, tales como el copolímero de PEG-150/decilo/SMDI, silicato de aluminio/magnesio, alcohol polivinílico, óxidos de polietileno, alginatos de propilenglicol o mezclas de los mismos.
Los dispersantes particularmente preferidos son 1,3 propanodiol y dioctil sulfosuccinato de sodio.
El pH de la formulación para el tratamiento de la piel de acuerdo con la presente invención está preferentemente en el intervalo de 2,8 a 6,6, más preferentemente de 5,5 a 6,0.
La concentración de peróxido en la formulación para el tratamiento de la piel de acuerdo con la presente invención es preferentemente al menos el 0,1 % en peso, más preferentemente al menos el 0,5 % en peso, incluso más preferentemente al menos el 1 % en peso, y de la manera más preferente al menos el 5 % en peso. La concentración de peróxido es preferentemente inferior al 20 % en peso, más preferentemente inferior al 15 % en peso.
FIGURAS
Las figuras muestran el número de unidades formadoras de colonias (UFC) por ml, 30 minutos, 2 horas y 14 horas después de poner en contacto diferentes bacterias con 1 % de peróxido de dibenzoilo (BPO) y 1 % de formulaciones de peróxido de di(4-metilbenzoilo) (MBPO).
Las bacterias usadas fueron: Staphylococcus aureus (figura 1) Staphylococcus epidermidis (figura 2) y Propionibacerium acnes (figura 3).
EJEMPLOS
Se prepararon dos formulaciones:
- una suspensión del 1 % en peso de peróxido de dibenzoilo (BPO) en agua
- una suspensión del 1 % en peso de peróxido de di(4-metibenzoilo) (MBPO) en agua
La suspensión de BPO se preparó:
- mezclando 0,4 g de goma xantana de calidad alimentaria en 39,6 g de agua desmineralizada hasta que esté libre de grumos,
- disolviendo BPO (0,5 g) en 9,5 g de acetona,
- añadiendo lentamente la solución de BPO a la mezcla de agua y goma xantana, en agitación rápida durante un período de 15-20 minutos para formar una suspensión homogénea.
La suspensión de MBPO se preparó de la misma manera, excepto que se disolvió 0,5 MBPO en 17 g de metil etil cetona (MBPO no es muy soluble en acetona) y la suspensión final se mezcló durante otros 15-20 minutos a 40 °C para concentrar la suspensión al 1 % en peso de MBPO.
Las suspensiones resultantes se probaron para determinar su acción sobre (ATCC 6538), Staphylococcus epidermidis (ATCC 12228) y Propionibacerium acnes (ATCC 6919) utilizando el procedimiento "Time-Kill" según la
norma ASTM E2315.
Se usaron los siguientes parámetros de ensayo:
Cada ensayo se realizó por duplicado.
El número de unidades formadoras de colonias (UFC) por ml después de 30 minutos, 2 horas y 14 horas se determinó en estos ensayos y los resultados se muestran en las figuras 1 (S. aureus), 2 (S. epidermidis) y 3 (P. acnes).
Estas figuras muestran que el peróxido de di(4-metilbenzoilo) (MBPO) actúa más rápido sobre estas bacterias que el peróxido de dibenzoilo (BPO).
Claims (14)
3. Peróxido para el uso de acuerdo con la reivindicación 1 o 2, en el que R1 y R2 se seleccionan de entre grupos metilo, terc-butilo y n-butilo.
4. Peróxido para el uso de acuerdo con una cualquiera de las reivindicaciones anteriores, en el que R3 y R4 son ambos hidrógeno.
5. Peróxido para el uso de acuerdo con la reivindicación 4, en el que R1 y R2 están situados en la posición para.
6. Peróxido para el uso de acuerdo con una cualquiera de las reivindicaciones anteriores, en el que el peróxido es peróxido de di(4-metilbenzoilo).
7. Uso no terapéutico de un peróxido con la fórmula
en la que R1 se selecciona de entre grupos alquilo lineales y ramificados con 1-4 átomos de carbono, y R2, R3y R4 se seleccionan de entre hidrógeno y grupos alquilo lineales y ramificados con 1 -4 átomos de carbono, para destruir y/o inhibir la proliferación de Staphylococcus aureus, Staphylococcus epidermidis y/o Propionibacerium acnes.
8. Uso de acuerdo con la reivindicación 7, en el que el peróxido es peróxido de di(4-metilbenzoilo).
9. Formulación para el tratamiento de la piel que comprende:
- un peróxido con la fórmula
en la que R1 se selecciona de entre grupos alquilo lineales y ramificados con 1-4 átomos de carbono, y R2, R3y R4 se seleccionan de entre hidrógeno y grupos alquilo lineales y ramificados con 1 -4 átomos de carbono, - agua,
- y un sistema dispersante
10. Formulación para el tratamiento de la piel de acuerdo con la reivindicación 9, en la que el peróxido es peróxido de di(4-metilbenzoilo).
11. Formulación para el tratamiento de la piel de acuerdo con cualquiera de las reivindicaciones 9 o 10, en la que el peróxido está presente en la formulación en una concentración del 0,1-20 % en peso.
12. Formulación para el tratamiento de la piel de acuerdo con cualquiera de las reivindicaciones 9-11, en la que el sistema dispersante contiene uno o más compuestos seleccionados de entre uno o más agentes de suspensión, uno o más coadyuvantes de gelificación, uno o más agentes tamponantes, uno o más antiespumantes y uno o más dispersantes.
13. Uso de un peróxido con la fórmula
en la que R1 se selecciona de entre grupos alquilo lineales y ramificados con 1-4 átomos de carbono, y R2, R3y R4 se seleccionan de entre hidrógeno y grupos alquilo lineales y ramificados con 1 -4 átomos de carbono, para la preparación de una formulación para el tratamiento de la piel para el tratamiento del acné.
14. Uso de acuerdo con la reivindicación 13, en el que el peróxido es peróxido de di(4-metilbenzoilo).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562211060P | 2015-08-28 | 2015-08-28 | |
| EP15188210 | 2015-10-02 | ||
| PCT/EP2016/070036 WO2017036897A1 (en) | 2015-08-28 | 2016-08-25 | Formulation for the treatment of acne |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2750873T3 true ES2750873T3 (es) | 2020-03-27 |
Family
ID=56800291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES16757018T Active ES2750873T3 (es) | 2015-08-28 | 2016-08-25 | Formulación para el tratamiento del acné |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US10278945B2 (es) |
| EP (1) | EP3340975B1 (es) |
| JP (1) | JP6505945B2 (es) |
| CN (1) | CN107847479B (es) |
| CA (1) | CA2996095C (es) |
| ES (1) | ES2750873T3 (es) |
| PT (1) | PT3340975T (es) |
| WO (1) | WO2017036897A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7547361B2 (ja) * | 2019-03-28 | 2024-09-09 | ロケット フレール | 静菌用及び/又は殺菌用及び/又は抗真菌用の薬剤。 |
| DE102019109828A1 (de) * | 2019-04-12 | 2020-10-15 | Biodermic Health & Beauty GmbH & Co KG | Zusammensetzung zur topischen Anwendung auf der Haut |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2913220A1 (de) | 1979-04-03 | 1980-10-23 | Bayer Ag | Kalthaertendes material |
| FR2604435B1 (fr) | 1986-09-30 | 1988-12-02 | Oreal | Peroxydes aromatiques insatures et leur utilisation en therapeutique et cosmetique |
| DD298591A5 (de) | 1989-11-22 | 1992-03-05 | Biologische Zentralanstalt Berlin,De | Fungizide mittel |
| WO2001061749A1 (en) * | 2000-02-17 | 2001-08-23 | Koninklijke Philips Electronics N.V. | SEMICONDUCTOR DEVICE WITH AN INTEGRATED CMOS CIRCUIT WITH MOS TRANSISTORS HAVING SILICON-GERMANIUM (Si1-xGex) GATE ELECTRODES, AND METHOD OF MANUFACTURING SAME |
| CN102740846A (zh) * | 2010-03-25 | 2012-10-17 | 索尔-格尔科技有限公司 | 用于局部给药的组合物 |
| EP3071651B1 (en) * | 2013-11-21 | 2017-12-20 | DSM IP Assets B.V. | Thermosetting powder coating compositions comprising methyl-substituted benzoyl peroxide |
-
2016
- 2016-08-25 ES ES16757018T patent/ES2750873T3/es active Active
- 2016-08-25 EP EP16757018.3A patent/EP3340975B1/en active Active
- 2016-08-25 PT PT167570183T patent/PT3340975T/pt unknown
- 2016-08-25 US US15/755,586 patent/US10278945B2/en active Active
- 2016-08-25 CA CA2996095A patent/CA2996095C/en active Active
- 2016-08-25 CN CN201680045879.9A patent/CN107847479B/zh active Active
- 2016-08-25 JP JP2018509882A patent/JP6505945B2/ja active Active
- 2016-08-25 WO PCT/EP2016/070036 patent/WO2017036897A1/en not_active Ceased
-
2019
- 2019-04-18 US US16/387,726 patent/US20190321329A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20190022050A1 (en) | 2019-01-24 |
| EP3340975A1 (en) | 2018-07-04 |
| PT3340975T (pt) | 2019-11-04 |
| BR112018003385A2 (pt) | 2018-09-25 |
| JP2018525409A (ja) | 2018-09-06 |
| CN107847479A (zh) | 2018-03-27 |
| US20190321329A1 (en) | 2019-10-24 |
| WO2017036897A1 (en) | 2017-03-09 |
| EP3340975B1 (en) | 2019-07-24 |
| CA2996095A1 (en) | 2017-03-09 |
| CN107847479B (zh) | 2020-11-20 |
| US10278945B2 (en) | 2019-05-07 |
| CA2996095C (en) | 2023-08-15 |
| JP6505945B2 (ja) | 2019-04-24 |
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