JP5686452B2 - イルベサルタンを含有する錠剤 - Google Patents
イルベサルタンを含有する錠剤 Download PDFInfo
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- JP5686452B2 JP5686452B2 JP2014030993A JP2014030993A JP5686452B2 JP 5686452 B2 JP5686452 B2 JP 5686452B2 JP 2014030993 A JP2014030993 A JP 2014030993A JP 2014030993 A JP2014030993 A JP 2014030993A JP 5686452 B2 JP5686452 B2 JP 5686452B2
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- Prior art keywords
- tablet
- irbesartan
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- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 244000269722 Thea sinensis Species 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- JVOGSHDZLOJKKR-MXFMKSRJSA-I [Na+].[Na+].[Na+].[Mg++].CCc1c(C)c2cc3[n-]c(c(C)c3C=C)c(C)c3nc(C[C@H]3CCC([O-])=O)c(CC([O-])=O)c3[n-]c(cc1n2)c(C)c3C([O-])=O Chemical compound [Na+].[Na+].[Na+].[Mg++].CCc1c(C)c2cc3[n-]c(c(C)c3C=C)c(C)c3nc(C[C@H]3CCC([O-])=O)c(CC([O-])=O)c3[n-]c(cc1n2)c(C)c3C([O-])=O JVOGSHDZLOJKKR-MXFMKSRJSA-I 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
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- 238000013019 agitation Methods 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
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- 229920000615 alginic acid Polymers 0.000 description 1
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- 229920003144 amino alkyl methacrylate copolymer Polymers 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 229940126317 angiotensin II receptor antagonist Drugs 0.000 description 1
- 229940125364 angiotensin receptor blocker Drugs 0.000 description 1
- 229960004543 anhydrous citric acid Drugs 0.000 description 1
- 229960004977 anhydrous lactose Drugs 0.000 description 1
- 230000003276 anti-hypertensive effect Effects 0.000 description 1
- 239000003160 antidiuretic agent Substances 0.000 description 1
- 239000002220 antihypertensive agent Substances 0.000 description 1
- 229940127088 antihypertensive drug Drugs 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 229960003515 bendroflumethiazide Drugs 0.000 description 1
- HDWIHXWEUNVBIY-UHFFFAOYSA-N bendroflumethiazidum Chemical compound C1=C(C(F)(F)F)C(S(=O)(=O)N)=CC(S(N2)(=O)=O)=C1NC2CC1=CC=CC=C1 HDWIHXWEUNVBIY-UHFFFAOYSA-N 0.000 description 1
- 239000002876 beta blocker Substances 0.000 description 1
- 229940097320 beta blocking agent Drugs 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 description 1
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- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229960003563 calcium carbonate Drugs 0.000 description 1
- 239000004227 calcium gluconate Substances 0.000 description 1
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- 235000013927 calcium gluconate Nutrition 0.000 description 1
- UHHRFSOMMCWGSO-UHFFFAOYSA-L calcium glycerophosphate Chemical compound [Ca+2].OCC(CO)OP([O-])([O-])=O UHHRFSOMMCWGSO-UHFFFAOYSA-L 0.000 description 1
- 229940095618 calcium glycerophosphate Drugs 0.000 description 1
- 235000019299 calcium glycerylphosphate Nutrition 0.000 description 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 229960002401 calcium lactate Drugs 0.000 description 1
- 235000011086 calcium lactate Nutrition 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- NEEHYRZPVYRGPP-UHFFFAOYSA-L calcium;2,3,4,5,6-pentahydroxyhexanoate Chemical compound [Ca+2].OCC(O)C(O)C(O)C(O)C([O-])=O.OCC(O)C(O)C(O)C(O)C([O-])=O NEEHYRZPVYRGPP-UHFFFAOYSA-L 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
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- 229930002875 chlorophyll Natural products 0.000 description 1
- 235000019804 chlorophyll Nutrition 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
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- BOCUKUHCLICSIY-QJWLJZLASA-N cyclothiazide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(S(N2)(=O)=O)=C1NC2C1[C@H](C=C2)C[C@H]2C1 BOCUKUHCLICSIY-QJWLJZLASA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 229940119744 dextran 40 Drugs 0.000 description 1
- 235000019700 dicalcium phosphate Nutrition 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229940015826 dihydroxyaluminum aminoacetate Drugs 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 229910000397 disodium phosphate Inorganic materials 0.000 description 1
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- 239000008103 glucose Substances 0.000 description 1
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- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- 229960002003 hydrochlorothiazide Drugs 0.000 description 1
- 229960003313 hydroflumethiazide Drugs 0.000 description 1
- DMDGGSIALPNSEE-UHFFFAOYSA-N hydroflumethiazide Chemical compound C1=C(C(F)(F)F)C(S(=O)(=O)N)=CC2=C1NCNS2(=O)=O DMDGGSIALPNSEE-UHFFFAOYSA-N 0.000 description 1
- 239000001341 hydroxy propyl starch Substances 0.000 description 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
- 229920003132 hydroxypropyl methylcellulose phthalate Polymers 0.000 description 1
- 229940031704 hydroxypropyl methylcellulose phthalate Drugs 0.000 description 1
- 235000013828 hydroxypropyl starch Nutrition 0.000 description 1
- 229920000639 hydroxypropylmethylcellulose acetate succinate Polymers 0.000 description 1
- WTFXARWRTYJXII-UHFFFAOYSA-N iron(2+);iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+2].[Fe+3].[Fe+3] WTFXARWRTYJXII-UHFFFAOYSA-N 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- FZWBNHMXJMCXLU-BLAUPYHCSA-N isomaltotriose Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@@H](OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O)O1 FZWBNHMXJMCXLU-BLAUPYHCSA-N 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229960001708 magnesium carbonate Drugs 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 229960000869 magnesium oxide Drugs 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N malic acid Chemical compound OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007721 medicinal effect Effects 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 235000016337 monopotassium tartrate Nutrition 0.000 description 1
- TZBAVQKIEKDGFH-UHFFFAOYSA-N n-[2-(diethylamino)ethyl]-1-benzothiophene-2-carboxamide;hydrochloride Chemical compound [Cl-].C1=CC=C2SC(C(=O)NCC[NH+](CC)CC)=CC2=C1 TZBAVQKIEKDGFH-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 229960001783 nicardipine Drugs 0.000 description 1
- 229960001597 nifedipine Drugs 0.000 description 1
- HYIMSNHJOBLJNT-UHFFFAOYSA-N nifedipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1[N+]([O-])=O HYIMSNHJOBLJNT-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 238000011458 pharmacological treatment Methods 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229960005483 polythiazide Drugs 0.000 description 1
- 229920000046 polythiazide Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- KYKNRZGSIGMXFH-ZVGUSBNCSA-M potassium bitartrate Chemical compound [K+].OC(=O)[C@H](O)[C@@H](O)C([O-])=O KYKNRZGSIGMXFH-ZVGUSBNCSA-M 0.000 description 1
- 229940086065 potassium hydrogentartrate Drugs 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 229940069328 povidone Drugs 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002151 riboflavin Substances 0.000 description 1
- 235000019192 riboflavin Nutrition 0.000 description 1
- 229960002477 riboflavin Drugs 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229940100486 rice starch Drugs 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004208 shellac Substances 0.000 description 1
- 229940113147 shellac Drugs 0.000 description 1
- 235000013874 shellac Nutrition 0.000 description 1
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000012453 solvate Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 239000007916 tablet composition Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- XOAAWQZATWQOTB-UHFFFAOYSA-N taurine Chemical compound NCCS(O)(=O)=O XOAAWQZATWQOTB-UHFFFAOYSA-N 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 239000003451 thiazide diuretic agent Substances 0.000 description 1
- 229960005196 titanium dioxide Drugs 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
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000010497 wheat germ oil Substances 0.000 description 1
- 229940100445 wheat starch Drugs 0.000 description 1
- 229960000537 xipamide Drugs 0.000 description 1
- MTZBBNMLMNBNJL-UHFFFAOYSA-N xipamide Chemical compound CC1=CC=CC(C)=C1NC(=O)C1=CC(S(N)(=O)=O)=C(Cl)C=C1O MTZBBNMLMNBNJL-UHFFFAOYSA-N 0.000 description 1
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- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
(1)イルベサルタンを含有し、錠剤の密度が1.12〜1.23mg/mm3である錠剤、
(2)錠剤の体積が320〜360mm3である上記(1)記載の錠剤、
(3)錠剤のバンド厚みが2.5〜2.9mmである上記(1)記載の錠剤、
(4)錠剤の厚みが4.7〜5.1mmである上記(1)記載の錠剤、
(5)さらに崩壊剤を含有する上記(1)から(4)のいずれかに記載の錠剤、
(6)崩壊剤がクロスカルメロースナトリウム、クロスポビドン、カルメロースカルシウム、カルボキシメチルスターチナトリウムおよび低置換度ヒドロキシプロピルセルロースから選ばれる1以上である上記(5)記載の錠剤、
(7)崩壊剤がクロスカルメロースナトリウムである上記(6)記載の錠剤、
(1)さらにクロスカルメロースナトリウムを含有し、錠剤の体積が320〜360mm3、錠剤のバンド厚みが2.5〜2.9mmおよび錠剤の厚みが4.7〜5.1mmである上記(1)記載の錠剤、
(2)さらに、乳糖、結晶セルロース、ヒプロメロース、軽質無水ケイ酸およびステアリン酸マグネシウムを含有する上記(1)から(8)のいずれかに記載の錠剤、
(3)さらに、クロスカルメロースナトリウム、乳糖、結晶セルロース、ヒプロメロース、軽質無水ケイ酸およびステアリン酸マグネシウムを含有し、錠剤の体積が320〜360mm3、錠剤のバンド厚みが2.5〜2.9mmおよび錠剤の厚みが4.7〜5.1mmである上記(1)記載の錠剤、
(11)錠剤の崩壊時間が7分以内である上記(1)から(10)のいずれかに記載の錠剤、
(12)日本薬局方溶出試験第1液において、溶出試験開始30分後のイルベサルタンの溶出率が85%以上である上記(1)から(11)のいずれかに記載の錠剤、
(13)日本薬局方溶出試験第2液において、溶出試験開始30分後のイルベサルタンの溶出率が70%以上である上記(1)から(11)のいずれかに記載の錠剤、
(14)日本薬局方溶出試験第1液において、溶出試験開始30分後のイルベサルタンの溶出率が85%以上であり、かつ日本薬局方溶出試験第2液において、溶出試験開始30分後のイルベサルタンの溶出率が70%以上である上記(1)から(11)のいずれかに記載の錠剤、
(15)イルベサルタンの含量が180〜220mgであり、錠剤の総重量が380〜430mgである上記(1)から(14)のいずれかに記載の錠剤、
(16)上記(1)から(15)のいずれかに記載の錠剤をヒプロメロースで被覆したフィルムコーティング錠剤、
に関する。
以下に、イルベサルタンの化学構造式を示す。
(1)錠剤の製造方法
表1に錠剤の処方を示す。1錠あたりのイルベサルタン量が200mg、錠剤総重量が400mgとなるように錠剤の製造をおこなった。すなわち、イルベサルタン、乳糖、結晶セルロース、クロスカルメロースナトリウムおよびヒプロメロースを添加し、高速撹拌造粒機(深江パウテック アーステクニク社製)を用いて造粒した。得られた造粒物を流動層造粒乾燥機(パウレック社製)に投入し、給気温度85度で乾燥した後、パワーミル(昭和化学機械工作所製)を用いて整粒した。整粒した顆粒に、クロスカルメロースナトリウム、軽質無水ケイ酸およびステアリン酸マグネシウムを加えて、混合し、得られた製錠顆粒を打錠用杵臼(長径×短径,14×7.3mm)を用いて打錠圧4〜16kNにて単発打錠機(JTトーシ社製)によって、静的圧縮を行い、錠剤を得た。打錠圧を調整することによって、錠剤のバンド厚みを変え、錠剤密度を調整した。
(2)崩壊試験法
第十五改正日本薬局方崩壊試験法を準用し、試験液は日本薬局方規定の精製水を用い、補助盤なしにおける崩壊時間を測定した。試験は3錠で行い、その平均値を示す。崩壊時間は、イルベサルタンの吸収性を考慮し、300秒(5分)以下を目標とした。
(3)硬度試験法
錠剤硬度計(ERWEKA International AG製)を用いて錠剤の硬度を測定した。試験は6〜10錠で行い、その平均値を示す。
(4)溶出試験法
本試験法は、錠剤中のイルベサルタンの溶出率を測定する。溶出試験装置を使用し、試験液として日局溶出試験第2液(pH6.8)900mLを用い、第十六改正日本薬局方溶出試験法第2法(パドル法)により、毎分50rpmで行った。
溶出試験開始10分、20分、30分及び40分間後の溶出液を孔径0.45μmのフィルターでろ過し、紫外吸光光度計を用いて吸収波長244nmにて吸光度を測定した。
別に、イルベサルタン標準物質約44mgを精密に量り、メタノール20mLを加えた。更に、日局溶出試験第2液を加えて正確に200mLとし、標準溶液とした。
(5)錠剤の密度、体積、表面積、バンド厚み、厚みの測定
錠剤の密度、体積および表面積は、錠剤体積・表面積シュミレーションソフト(Tablet CAD)によって測定した。また、錠剤のバンド厚みは、ノギスによって、錠剤の厚みは、シックネスゲージによって測定した。
(4)結果
錠剤密度を変更した錠剤のバンド厚み、体積、表面積、崩壊時間および錠剤硬度を表2に、錠剤密度と崩壊時間の関係を図2に示す。その結果、錠剤密度が大きくなれば、崩壊時間が速くなるが、錠剤密度が1.20mg/mm3よりも大きくなれば、崩壊時間が遅くなり、錠剤密度が1.23mg/mm3の場合、崩壊時間が300秒以上となった。従って、崩壊時間を300秒以内に調整する場合、錠剤密度は、1.12〜1.23mg/mm3が最適であった。また、実施例3と比較例1の溶出挙動を比較すると、崩壊時間が速い実施例3で溶出率が速くなった。上記実施例2の錠剤を下記の表4の処方でコーティングすることができる。
Claims (13)
- イルベサルタンおよび崩壊剤を含有し、錠剤の密度が1.12〜1.23mg/mm3、イルベサルタンの含量が180〜220mg、および錠剤の総重量が380〜430mgであり、崩壊剤がクロスカルメロースナトリウム、クロスポビドン、カルメロースカルシウム、カルボキシメチルスターチナトリウムおよび低置換度ヒドロキシプロピルセルロースから選ばれる1以上である錠剤。
- 錠剤の体積が320〜360mm3である請求項1記載の錠剤。
- 錠剤のバンド厚みが2.5〜2.9mmである請求項1記載の錠剤。
- 錠剤の厚みが4.7〜5.1mmである請求項1記載の錠剤。
- 崩壊剤がクロスカルメロースナトリウムである請求項1記載の錠剤。
- 崩壊剤がクロスカルメロースナトリウムであり、錠剤の体積が320〜360mm3、錠剤のバンド厚みが2.5〜2.9mmおよび錠剤の厚みが4.7〜5.1mmである請求項1記載の錠剤。
- さらに、乳糖、結晶セルロース、ヒプロメロース、軽質無水ケイ酸およびステアリン酸マグネシウムを含有する請求項1〜6のいずれかに記載の錠剤。
- さらに、乳糖、結晶セルロース、ヒプロメロース、軽質無水ケイ酸およびステアリン酸マグネシウムを含有し、錠剤の体積が320〜360mm3、錠剤のバンド厚みが2.5〜2.9mmおよび錠剤の厚みが4.7〜5.1mmである請求項1〜6のいずれかに記載の錠剤。
- 錠剤の崩壊時間が7分以内である請求項1〜8のいずれかに記載の錠剤。
- 日本薬局方溶出試験第1液において、溶出試験開始30分後のイルベサルタンの溶出率が85%以上である請求項1〜9のいずれかに記載の錠剤。
- 日本薬局方溶出試験第2液において、溶出試験開始30分後のイルベサルタンの溶出率が70%以上である請求項1〜9のいずれかに記載の錠剤。
- 日本薬局方溶出試験第1液において、溶出試験開始30分後のイルベサルタンの溶出率が85%以上であり、かつ日本薬局方溶出試験第2液において、溶出試験開始30分後のイルベサルタンの溶出率が70%以上である請求項1〜9のいずれかに記載の錠剤。
- 請求項1〜12のいずれかに記載の錠剤をヒプロメロースで被覆したフィルムコーティング錠剤。
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