NZ229309A - Pharmaceutical composition comprising a 1,4-dihydropyridine-5-phosphonic acid derivative and hydroxypropylmethyl cellulose acetate - Google Patents
Pharmaceutical composition comprising a 1,4-dihydropyridine-5-phosphonic acid derivative and hydroxypropylmethyl cellulose acetateInfo
- Publication number
- NZ229309A NZ229309A NZ229309A NZ22930989A NZ229309A NZ 229309 A NZ229309 A NZ 229309A NZ 229309 A NZ229309 A NZ 229309A NZ 22930989 A NZ22930989 A NZ 22930989A NZ 229309 A NZ229309 A NZ 229309A
- Authority
- NZ
- New Zealand
- Prior art keywords
- pharmaceutical composition
- dimethyl
- hpmcas
- pharmaceutical
- ethanol
- Prior art date
Links
- 239000008194 pharmaceutical composition Substances 0.000 title claims description 9
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 title claims description 5
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 title description 4
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 title description 4
- LJODSGRIXRUPTG-UHFFFAOYSA-N 1,4-dihydropyridin-3-ylphosphonic acid Chemical class OP(O)(=O)C1=CNC=CC1 LJODSGRIXRUPTG-UHFFFAOYSA-N 0.000 title 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 title 1
- NSVFSAJIGAJDMR-UHFFFAOYSA-N 2-[benzyl(phenyl)amino]ethyl 5-(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate Chemical compound CC=1NC(C)=C(C(=O)OCCN(CC=2C=CC=CC=2)C=2C=CC=CC=2)C(C=2C=C(C=CC=2)[N+]([O-])=O)C=1P1(=O)OCC(C)(C)CO1 NSVFSAJIGAJDMR-UHFFFAOYSA-N 0.000 claims description 59
- 239000002775 capsule Substances 0.000 claims description 35
- 239000000203 mixture Substances 0.000 claims description 31
- 230000000052 comparative effect Effects 0.000 claims description 25
- ZUAAPNNKRHMPKG-UHFFFAOYSA-N acetic acid;butanedioic acid;methanol;propane-1,2-diol Chemical compound OC.CC(O)=O.CC(O)CO.OC(=O)CCC(O)=O ZUAAPNNKRHMPKG-UHFFFAOYSA-N 0.000 claims description 23
- 239000008187 granular material Substances 0.000 claims description 20
- 239000012453 solvate Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 239000008280 blood Substances 0.000 claims description 9
- 210000004369 blood Anatomy 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 5
- DZGCGKFAPXFTNM-UHFFFAOYSA-N ethanol;hydron;chloride Chemical compound Cl.CCO DZGCGKFAPXFTNM-UHFFFAOYSA-N 0.000 claims description 4
- 239000003826 tablet Substances 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000005426 pharmaceutical component Substances 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims description 2
- 229950003102 efonidipine Drugs 0.000 claims description 2
- 239000000825 pharmaceutical preparation Substances 0.000 claims description 2
- IYKJEILNJZQJPU-UHFFFAOYSA-N acetic acid;butanedioic acid Chemical compound CC(O)=O.OC(=O)CCC(O)=O IYKJEILNJZQJPU-UHFFFAOYSA-N 0.000 claims 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 229920002301 cellulose acetate Polymers 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 229960003512 nicotinic acid Drugs 0.000 claims 1
- 239000011664 nicotinic acid Substances 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 25
- -1 DIHYDROPYRIDINE COMPOUND Chemical class 0.000 description 21
- 150000001875 compounds Chemical class 0.000 description 17
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 14
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- FHHZOYXKOICLGH-UHFFFAOYSA-N dichloromethane;ethanol Chemical compound CCO.ClCCl FHHZOYXKOICLGH-UHFFFAOYSA-N 0.000 description 11
- 239000012046 mixed solvent Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 229920002678 cellulose Polymers 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 8
- 239000008101 lactose Substances 0.000 description 8
- 229920002472 Starch Polymers 0.000 description 7
- 239000004202 carbamide Substances 0.000 description 7
- 235000019700 dicalcium phosphate Nutrition 0.000 description 7
- 238000005469 granulation Methods 0.000 description 7
- 230000003179 granulation Effects 0.000 description 7
- 229920002261 Corn starch Polymers 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 239000008120 corn starch Substances 0.000 description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 239000008186 active pharmaceutical agent Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 5
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 5
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 4
- 229940084030 carboxymethylcellulose calcium Drugs 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000004090 dissolution Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229920003132 hydroxypropyl methylcellulose phthalate Polymers 0.000 description 4
- 229940031704 hydroxypropyl methylcellulose phthalate Drugs 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 235000000346 sugar Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 3
- HSHXDCVZWHOWCS-UHFFFAOYSA-N N'-hexadecylthiophene-2-carbohydrazide Chemical compound CCCCCCCCCCCCCCCCNNC(=O)c1cccs1 HSHXDCVZWHOWCS-UHFFFAOYSA-N 0.000 description 3
- 240000006394 Sorghum bicolor Species 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 229940099112 cornstarch Drugs 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000007922 dissolution test Methods 0.000 description 3
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 3
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 3
- 229940071676 hydroxypropylcellulose Drugs 0.000 description 3
- 235000019359 magnesium stearate Nutrition 0.000 description 3
- 229920001592 potato starch Polymers 0.000 description 3
- 229940116317 potato starch Drugs 0.000 description 3
- 229940100486 rice starch Drugs 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920003169 water-soluble polymer Polymers 0.000 description 3
- 229940100445 wheat starch Drugs 0.000 description 3
- UKVYVZLTGQVOPX-IHWYPQMZSA-N (z)-3-aminobut-2-enoic acid Chemical compound C\C(N)=C\C(O)=O UKVYVZLTGQVOPX-IHWYPQMZSA-N 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 229940105329 carboxymethylcellulose Drugs 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229940031705 hydroxypropyl methylcellulose 2910 Drugs 0.000 description 2
- 230000001077 hypotensive effect Effects 0.000 description 2
- 239000012442 inert solvent Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 229960002289 nicardipine hydrochloride Drugs 0.000 description 2
- AIKVCUNQWYTVTO-UHFFFAOYSA-N nicardipine hydrochloride Chemical compound Cl.COC(=O)C1=C(C)NC(C)=C(C(=O)OCCN(C)CC=2C=CC=CC=2)C1C1=CC=CC([N+]([O-])=O)=C1 AIKVCUNQWYTVTO-UHFFFAOYSA-N 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 150000008163 sugars Chemical class 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
- DXMGRRLCXVSLOF-UHFFFAOYSA-N 5-(5,5-dimethyl-1,3,2-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid Chemical compound OC(=O)C1=C(C)NC(C)=C(P2OCC(C)(C)CO2)C1C1=CC=CC([N+]([O-])=O)=C1 DXMGRRLCXVSLOF-UHFFFAOYSA-N 0.000 description 1
- GUBGYTABKSRVRQ-XLOQQCSPSA-N Alpha-Lactose Chemical compound O[C@@H]1[C@@H](O)[C@@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@H](O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-XLOQQCSPSA-N 0.000 description 1
- 101150041968 CDC13 gene Proteins 0.000 description 1
- 229920000623 Cellulose acetate phthalate Polymers 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
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- ZBBHBTPTTSWHBA-UHFFFAOYSA-N Nicardipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OCCN(C)CC=2C=CC=CC=2)C1C1=CC=CC([N+]([O-])=O)=C1 ZBBHBTPTTSWHBA-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 1
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- GAMPNQJDUFQVQO-UHFFFAOYSA-N acetic acid;phthalic acid Chemical compound CC(O)=O.OC(=O)C1=CC=CC=C1C(O)=O GAMPNQJDUFQVQO-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 230000002213 calciumantagonistic effect Effects 0.000 description 1
- 239000002327 cardiovascular agent Substances 0.000 description 1
- 229940125692 cardiovascular agent Drugs 0.000 description 1
- 229940081734 cellulose acetate phthalate Drugs 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229960004667 ethyl cellulose Drugs 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000001341 hydroxy propyl starch Substances 0.000 description 1
- 235000013828 hydroxypropyl starch Nutrition 0.000 description 1
- 229920000639 hydroxypropylmethylcellulose acetate succinate Polymers 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229940031703 low substituted hydroxypropyl cellulose Drugs 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 1
- 229960002900 methylcellulose Drugs 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
- 150000002825 nitriles Chemical class 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-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
- 150000007524 organic acids Chemical class 0.000 description 1
- 210000004798 organs belonging to the digestive system Anatomy 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000003900 succinic acid esters Chemical class 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 230000000304 vasodilatating effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000000811 xylitol Substances 0.000 description 1
- 235000010447 xylitol Nutrition 0.000 description 1
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 description 1
- 229960002675 xylitol Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
- A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular 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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
-
- 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
- A61K31/66—Phosphorus compounds
- A61K31/665—Phosphorus compounds having oxygen as a ring hetero atom, e.g. fosfomycin
-
- 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
- A61K31/66—Phosphorus compounds
- A61K31/675—Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/12—Drugs for disorders of the metabolism for electrolyte homeostasis
- A61P3/14—Drugs for disorders of the metabolism for electrolyte homeostasis for calcium homeostasis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Diabetes (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Inorganic Chemistry (AREA)
- Endocrinology (AREA)
- Rheumatology (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13226288 | 1988-05-30 | ||
| JP1050471A JP2528706B2 (ja) | 1988-05-30 | 1989-03-02 | ジヒドロピリジン化合物の製剤組成物 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ229309A true NZ229309A (en) | 1991-06-25 |
Family
ID=26390939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ229309A NZ229309A (en) | 1988-05-30 | 1989-05-26 | Pharmaceutical composition comprising a 1,4-dihydropyridine-5-phosphonic acid derivative and hydroxypropylmethyl cellulose acetate |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4983593A (enExample) |
| EP (1) | EP0344603B1 (enExample) |
| JP (1) | JP2528706B2 (enExample) |
| CA (1) | CA1332152C (enExample) |
| DE (1) | DE68900356D1 (enExample) |
| ES (1) | ES2051920T3 (enExample) |
| GR (1) | GR3003615T3 (enExample) |
| NZ (1) | NZ229309A (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW212139B (enExample) * | 1991-04-15 | 1993-09-01 | Yamanouchi Pharma Co Ltd | |
| US6726930B1 (en) * | 1993-09-09 | 2004-04-27 | Penwest Pharmaceuticals Co. | Sustained release heterodisperse hydrogel systems for insoluble drugs |
| US5773025A (en) | 1993-09-09 | 1998-06-30 | Edward Mendell Co., Inc. | Sustained release heterodisperse hydrogel systems--amorphous drugs |
| US5455046A (en) * | 1993-09-09 | 1995-10-03 | Edward Mendell Co., Inc. | Sustained release heterodisperse hydrogel systems for insoluble drugs |
| TW487582B (en) | 1995-08-11 | 2002-05-21 | Nissan Chemical Ind Ltd | Method for converting sparingly water-soluble medical substance to amorphous state |
| ATE223722T1 (de) | 1996-03-18 | 2002-09-15 | Nissan Chemical Ind Ltd | Verfahren zur herstellung von efonidipinhaltigen arzneimitteln |
| JP3148256B2 (ja) | 1996-07-08 | 2001-03-19 | エドワード メンデル カンパニー．，インコーポレーテッド | 高用量難溶性薬物用持続放出マトリックス |
| EP1745774A3 (en) | 1997-08-11 | 2007-04-11 | Pfizer Products Inc. | Solid pharmaceutical dispersions with enhanced bioavailability |
| PT901786E (pt) | 1997-08-11 | 2007-08-07 | Pfizer Prod Inc | Disperções farmacêuticas sólidas com biodisponibilidade melhorada |
| US6056977A (en) | 1997-10-15 | 2000-05-02 | Edward Mendell Co., Inc. | Once-a-day controlled release sulfonylurea formulation |
| US6350786B1 (en) † | 1998-09-22 | 2002-02-26 | Hoffmann-La Roche Inc. | Stable complexes of poorly soluble compounds in ionic polymers |
| EP1027885B1 (en) * | 1999-02-09 | 2008-07-09 | Pfizer Products Inc. | Basic drug compositions with enhanced bioavailability |
| ES2310164T3 (es) * | 1999-02-10 | 2009-01-01 | Pfizer Products Inc. | Dispositivo de liberacion controlada por la matriz. |
| US6706283B1 (en) | 1999-02-10 | 2004-03-16 | Pfizer Inc | Controlled release by extrusion of solid amorphous dispersions of drugs |
| ATE433318T1 (de) * | 1999-02-10 | 2009-06-15 | Pfizer Prod Inc | Osmotisches system zur verabreichung von wirkstoffen, die feste amorphe dispersionen enthalten |
| ES2307482T3 (es) * | 1999-02-10 | 2008-12-01 | Pfizer Products Inc. | Dispersiones farmaceuticas solidas. |
| HK1042427A1 (zh) | 1999-09-30 | 2002-08-16 | Penwest Pharmaceuticals Co. | 用於高溶度药物的持续释放基质方法 |
| EP1239844B1 (en) * | 1999-12-20 | 2005-06-08 | Nicholas J. Kerkhof | Process for producing nanometer particles by fluid bed spray-drying |
| YU43702A (sh) | 1999-12-23 | 2004-11-25 | Pfizer Products Inc. | Farmaceutske kompozicije koje obezbeđuju povećanje koncentracije leka |
| US7115279B2 (en) | 2000-08-03 | 2006-10-03 | Curatolo William J | Pharmaceutical compositions of cholesteryl ester transfer protein inhibitors |
| AU2002212102A1 (en) * | 2000-11-08 | 2002-05-21 | Aeromatic-Fielder Ag | A process for production of particles for pharmaceutical compositions having increased bioavailability |
| DE10058772A1 (de) * | 2000-11-27 | 2002-06-06 | Falk Pharma Gmbh | Verfahren zur Herstellung leicht löslicher Arzneimittelformulierungen und entsprechende Formulierungen |
| WO2003000226A2 (en) * | 2001-06-22 | 2003-01-03 | Pfizer Products Inc. | Pharmaceutical compositions containing polymer and drug assemblies |
| MXPA03011784A (es) | 2001-06-22 | 2004-04-02 | Pfizer Prod Inc | Composiciones farmaceuticas de dispersiones de farmacos y polimeros neutros. |
| AR038375A1 (es) | 2002-02-01 | 2005-01-12 | Pfizer Prod Inc | Composiciones farmaceuticas de inhibidores de la proteina de transferencia de esteres de colesterilo |
| WO2005117834A1 (en) * | 2004-05-27 | 2005-12-15 | Janssen Pharmaceutica N.V. | Solid dispersions of a basic drug compound and a polymer containing acidic groups |
| EP1753402B1 (en) | 2004-05-28 | 2008-10-01 | Pfizer Products Incorporated | Pharmaceutical compositions with enhanced performance comprising a hpmca polymer |
| EP1829549A1 (en) * | 2004-12-17 | 2007-09-05 | Ono Pharmaceutical Co., Ltd. | Amorphous composition |
| CA2621800A1 (en) * | 2005-09-06 | 2007-03-15 | Astellas Pharma Inc. | Fine particles of poorly soluble drug having enteric base material adsorbed on the surface thereof |
| WO2008063888A2 (en) | 2006-11-22 | 2008-05-29 | Plexxikon, Inc. | Compounds modulating c-fms and/or c-kit activity and uses therefor |
| JP2010533729A (ja) | 2007-07-17 | 2010-10-28 | プレキシコン，インコーポレーテッド | キナーゼ調節のための化合物と方法、及びそのための適応 |
| EP2191830A4 (en) | 2007-09-21 | 2011-11-23 | Shionogi & Co | SOLID PREPARATION COMPRISING A NPYY5 RECEPTOR ANTAGONIST |
| US9149434B2 (en) | 2007-12-03 | 2015-10-06 | Tomita Pharmaceutical Co., Ltd. | Core particle for pharmaceutical preparation |
| US20110065800A1 (en) * | 2008-05-14 | 2011-03-17 | Haihong Fan | Formulations for cathepsin k inhibitors |
| CA2738573C (en) | 2009-04-03 | 2013-02-19 | F. Hoffmann-La Roche Ag | Compositions of propane-1 sulfonic acid {3-[5-(4-chloro-phenyl)-1h-pyrrolo[2,3-b]pyridine-3-carbonyl]-2,4-difluoro-phenyl}-amide and uses thereof |
| US8329724B2 (en) | 2009-08-03 | 2012-12-11 | Hoffmann-La Roche Inc. | Process for the manufacture of pharmaceutically active compounds |
| WO2011031620A1 (en) * | 2009-09-11 | 2011-03-17 | Transtech Pharma, Inc. | Solid compositions comprising an oxadiazoanthracene compound and methods of making and using the same |
| JP2013510166A (ja) | 2009-11-06 | 2013-03-21 | プレキシコン インコーポレーテッド | キナーゼ調節のための化合物、方法およびその適用 |
| WO2011159626A1 (en) | 2010-06-14 | 2011-12-22 | Bend Research, Inc. | Hydroxypropyl methyl cellulose acetate succinate with enhanced acetate and succinate substitution |
| PE20141360A1 (es) | 2011-02-07 | 2014-10-13 | Plexxikon Inc | Compuestos y metodos para la modulacion de quinasas e indicaciones para los mismos. |
| TWI558702B (zh) | 2011-02-21 | 2016-11-21 | 普雷辛肯公司 | 醫藥活性物質的固態形式 |
| WO2012122279A1 (en) | 2011-03-08 | 2012-09-13 | Zalicus Pharmaceuticals Ltd. | Solid dispersion formulations and methods of use thereof |
| US9150570B2 (en) | 2012-05-31 | 2015-10-06 | Plexxikon Inc. | Synthesis of heterocyclic compounds |
| EP2837391B1 (en) | 2013-08-12 | 2017-05-10 | Shin-Etsu Chemical Co., Ltd. | Hypromellose acetate succinate for use as hot-melt extrusion carrier, hot-melt extrusion composition, and method for producing hot-melt extrudate |
| CN113209024A (zh) | 2013-12-31 | 2021-08-06 | 阿森迪亚制药有限责任公司 | 疏水性化合物的药物组合物 |
| WO2017035408A1 (en) | 2015-08-26 | 2017-03-02 | Achillion Pharmaceuticals, Inc. | Compounds for treatment of immune and inflammatory disorders |
| AR106018A1 (es) | 2015-08-26 | 2017-12-06 | Achillion Pharmaceuticals Inc | Compuestos de arilo, heteroarilo y heterocíclicos para el tratamiento de trastornos médicos |
| MX2018016046A (es) | 2016-06-27 | 2019-05-02 | Achillion Pharmaceuticals Inc | Quinazolina y compuestos indol para tratar trastornos medicos. |
| CA3053818A1 (en) | 2017-03-01 | 2018-09-07 | Achillion Pharmaceuticals, Inc. | Aryl, heteroaryl, and heterocyclic pharmaceutical compounds for treatment of medical disorders |
| US20190030003A1 (en) * | 2017-03-21 | 2019-01-31 | Bioduro, Llc | Gastrointestinal-protective formulations for oral delivery of proteins and peptides |
| EP3841086B1 (en) | 2018-08-20 | 2025-04-23 | Achillion Pharmaceuticals, Inc. | Pharmaceutical compounds for the treatment of complement factor d medical disorders |
| JP7443375B2 (ja) | 2018-09-06 | 2024-03-05 | アキリオン ファーマシューティカルズ， インコーポレーテッド | 医学的障害の治療のための大環状化合物 |
| CN113365617B (zh) | 2018-10-16 | 2025-12-23 | 乔治亚州立大学研究基金会股份有限公司 | 用于医学疾病治疗的一氧化碳前药 |
| MX2021011507A (es) | 2019-03-22 | 2021-12-15 | Achillion Pharmaceuticals Inc | Compuestos farmaceuticos para el tratamiento de trastornos mediados por complemento. |
| CN114845708A (zh) | 2019-12-19 | 2022-08-02 | 乔治亚州大学研究基金会 | 用于治疗细菌感染和增强抗生素的化合物 |
| JP2023515073A (ja) | 2020-02-20 | 2023-04-12 | アキリオン ファーマシューティカルズ， インコーポレーテッド | 補体因子ｄ媒介障害の処置用のヘテロアリール化合物 |
| CA3193488A1 (en) | 2020-09-23 | 2022-03-31 | Jason Allan Wiles | Pharmaceutical compounds for the treatment of complement mediated disorders |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5948810A (ja) | 1982-09-10 | 1984-03-21 | Sony Corp | 磁性記録体におけるデ−タのマスク及び再生方法 |
| JPS62123117A (ja) | 1985-11-22 | 1987-06-04 | Nippon Chemiphar Co Ltd | 塩酸ニカルジピン経口用組成物 |
| CN1016063B (zh) * | 1986-01-22 | 1992-04-01 | 日产化学工业株式会社 | 二氢吡啶-5-膦酸环亚丙基酯的制备 |
| IL81419A0 (en) * | 1986-01-30 | 1987-08-31 | Syntex Inc | Long acting sustained release pharmaceutical compositions containing dihydropyridines and their preparation |
-
1989
- 1989-03-02 JP JP1050471A patent/JP2528706B2/ja not_active Expired - Lifetime
- 1989-05-24 ES ES89109381T patent/ES2051920T3/es not_active Expired - Lifetime
- 1989-05-24 EP EP89109381A patent/EP0344603B1/en not_active Expired - Lifetime
- 1989-05-24 DE DE8989109381T patent/DE68900356D1/de not_active Expired - Lifetime
- 1989-05-25 CA CA000600631A patent/CA1332152C/en not_active Expired - Lifetime
- 1989-05-26 NZ NZ229309A patent/NZ229309A/en unknown
- 1989-05-30 US US07/358,144 patent/US4983593A/en not_active Expired - Lifetime
-
1992
- 1992-01-22 GR GR920400057T patent/GR3003615T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4983593A (en) | 1991-01-08 |
| EP0344603A1 (en) | 1989-12-06 |
| JPH0249728A (ja) | 1990-02-20 |
| EP0344603B1 (en) | 1991-10-23 |
| JP2528706B2 (ja) | 1996-08-28 |
| DE68900356D1 (de) | 1991-11-28 |
| GR3003615T3 (enExample) | 1993-03-16 |
| CA1332152C (en) | 1994-09-27 |
| ES2051920T3 (es) | 1994-07-01 |
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