CS268819B2 - Method of particles production with effective substance's controlled loosening - Google Patents
Method of particles production with effective substance's controlled loosening Download PDFInfo
- Publication number
- CS268819B2 CS268819B2 CS867294A CS729486A CS268819B2 CS 268819 B2 CS268819 B2 CS 268819B2 CS 867294 A CS867294 A CS 867294A CS 729486 A CS729486 A CS 729486A CS 268819 B2 CS268819 B2 CS 268819B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- metoprolol
- particles
- active ingredient
- coated
- salt
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 34
- 239000002245 particle Substances 0.000 title claims description 22
- 239000000126 substance Substances 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000011162 core material Substances 0.000 claims description 35
- 239000004480 active ingredient Substances 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 239000013543 active substance Substances 0.000 claims description 18
- IUBSYMUCCVWXPE-UHFFFAOYSA-N metoprolol Chemical group COCCC1=CC=C(OCC(O)CNC(C)C)C=C1 IUBSYMUCCVWXPE-UHFFFAOYSA-N 0.000 claims description 17
- 229920001249 ethyl cellulose Polymers 0.000 claims description 16
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 16
- 229960002237 metoprolol Drugs 0.000 claims description 16
- 239000001856 Ethyl cellulose Substances 0.000 claims description 14
- 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 claims description 14
- 239000011521 glass Substances 0.000 claims description 11
- 238000013270 controlled release Methods 0.000 claims description 10
- 150000003839 salts Chemical group 0.000 claims description 10
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 8
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 7
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 7
- 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 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- WSWCOQWTEOXDQX-MQQKCMAXSA-M (E,E)-sorbate Chemical compound C\C=C\C=C\C([O-])=O WSWCOQWTEOXDQX-MQQKCMAXSA-M 0.000 claims description 4
- 229960002005 metoprolol fumarate Drugs 0.000 claims description 4
- 229940075554 sorbate Drugs 0.000 claims description 4
- 210000002784 stomach Anatomy 0.000 claims description 4
- BRIPGNJWPCKDQZ-WXXKFALUSA-N (e)-but-2-enedioic acid;1-[4-(2-methoxyethyl)phenoxy]-3-(propan-2-ylamino)propan-2-ol Chemical compound OC(=O)\C=C\C(O)=O.COCCC1=CC=C(OCC(O)CNC(C)C)C=C1.COCCC1=CC=C(OCC(O)CNC(C)C)C=C1 BRIPGNJWPCKDQZ-WXXKFALUSA-N 0.000 claims description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 3
- 230000000973 chemotherapeutic effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000000968 intestinal effect Effects 0.000 claims description 3
- 239000003242 anti bacterial agent Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000002526 effect on cardiovascular system Effects 0.000 claims description 2
- 239000007903 gelatin capsule Substances 0.000 claims description 2
- 239000002198 insoluble material Substances 0.000 claims description 2
- 238000007911 parenteral administration Methods 0.000 claims description 2
- RIZUCYSQUWMQLX-UHFFFAOYSA-N 2,3-dimethylbenzoic acid Chemical compound CC1=CC=CC(C(O)=O)=C1C RIZUCYSQUWMQLX-UHFFFAOYSA-N 0.000 claims 1
- 230000001800 adrenalinergic effect Effects 0.000 claims 1
- 230000003115 biocidal effect Effects 0.000 claims 1
- 150000001720 carbohydrates Chemical class 0.000 claims 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 48
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 39
- 239000000203 mixture Substances 0.000 description 34
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 23
- 239000012798 spherical particle Substances 0.000 description 19
- 239000000243 solution Substances 0.000 description 15
- 238000009472 formulation Methods 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 12
- 239000008187 granular material Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- RGHAZVBIOOEVQX-UHFFFAOYSA-N Metoprolol succinate Chemical compound OC(=O)CCC(O)=O.COCCC1=CC=C(OCC(O)CNC(C)C)C=C1.COCCC1=CC=C(OCC(O)CNC(C)C)C=C1 RGHAZVBIOOEVQX-UHFFFAOYSA-N 0.000 description 9
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 229960000939 metoprolol succinate Drugs 0.000 description 9
- 238000005507 spraying Methods 0.000 description 7
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 229920003152 Eudragit® RS polymer Polymers 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 235000010980 cellulose Nutrition 0.000 description 4
- FSXVSUSRJXIJHB-UHFFFAOYSA-M ethyl prop-2-enoate;methyl 2-methylprop-2-enoate;trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride Chemical compound [Cl-].CCOC(=O)C=C.COC(=O)C(C)=C.CC(=C)C(=O)OCC[N+](C)(C)C FSXVSUSRJXIJHB-UHFFFAOYSA-M 0.000 description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 4
- 230000036470 plasma concentration Effects 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 238000013268 sustained release Methods 0.000 description 4
- 239000012730 sustained-release form Substances 0.000 description 4
- 229920003151 Eudragit® RL polymer Polymers 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 239000002552 dosage form Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 229960002337 magnesium chloride Drugs 0.000 description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 description 3
- DNKKLDKIFMDAPT-UHFFFAOYSA-N n,n-dimethylmethanamine;2-methylprop-2-enoic acid Chemical compound CN(C)C.CC(=C)C(O)=O.CC(=C)C(O)=O DNKKLDKIFMDAPT-UHFFFAOYSA-N 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 2
- 229920003134 Eudragit® polymer Polymers 0.000 description 2
- 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 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229960001138 acetylsalicylic acid Drugs 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 229960000723 ampicillin Drugs 0.000 description 2
- AVKUERGKIZMTKX-NJBDSQKTSA-N ampicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=CC=C1 AVKUERGKIZMTKX-NJBDSQKTSA-N 0.000 description 2
- 229960001931 ampicillin sodium Drugs 0.000 description 2
- KLOHDWPABZXLGI-YWUHCJSESA-M ampicillin sodium Chemical compound [Na+].C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C([O-])=O)(C)C)=CC=CC=C1 KLOHDWPABZXLGI-YWUHCJSESA-M 0.000 description 2
- 229960000074 biopharmaceutical Drugs 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000019359 magnesium stearate Nutrition 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- FFEARJCKVFRZRR-UHFFFAOYSA-N methionine Chemical compound CSCCC(N)C(O)=O FFEARJCKVFRZRR-UHFFFAOYSA-N 0.000 description 2
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 2
- 239000008108 microcrystalline cellulose Substances 0.000 description 2
- 229940016286 microcrystalline cellulose Drugs 0.000 description 2
- 239000008194 pharmaceutical composition Substances 0.000 description 2
- 239000000546 pharmaceutical excipient Substances 0.000 description 2
- 210000002381 plasma Anatomy 0.000 description 2
- 229920002959 polymer blend Polymers 0.000 description 2
- 229920005597 polymer membrane Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- LOUPRKONTZGTKE-LHHVKLHASA-N quinidine Chemical class C([C@H]([C@H](C1)C=C)C2)C[N@@]1[C@H]2[C@@H](O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-LHHVKLHASA-N 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 210000000813 small intestine Anatomy 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 229940095064 tartrate Drugs 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- SYTBZMRGLBWNTM-SNVBAGLBSA-N (R)-flurbiprofen Chemical compound FC1=CC([C@H](C(O)=O)C)=CC=C1C1=CC=CC=C1 SYTBZMRGLBWNTM-SNVBAGLBSA-N 0.000 description 1
- RLYOPPJABLAKCZ-UHFFFAOYSA-N 2-butoxycarbonylbenzenecarboperoxoic acid Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OO RLYOPPJABLAKCZ-UHFFFAOYSA-N 0.000 description 1
- MIGVAGHDXBCHGV-UHFFFAOYSA-N 5-acetyl-7-butyl-6-hydroxyundecane-4,5,6-tricarboxylic acid dichloromethane Chemical compound C(Cl)Cl.C(C)(=O)C(C(C(C(=O)O)(CCCC)CCCC)(O)C(=O)O)(C(=O)O)CCCC MIGVAGHDXBCHGV-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- HSYITEFWNNSJQV-UHFFFAOYSA-N C(Cl)Cl.N(=O)O Chemical compound C(Cl)Cl.N(=O)O HSYITEFWNNSJQV-UHFFFAOYSA-N 0.000 description 1
- 229920000623 Cellulose acetate phthalate Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 229920003148 Eudragit® E polymer Polymers 0.000 description 1
- 229920003136 Eudragit® L polymer Polymers 0.000 description 1
- 229920003137 Eudragit® S polymer Polymers 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- 208000012895 Gastric disease Diseases 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 241001071861 Lethrinus genivittatus Species 0.000 description 1
- 235000019759 Maize starch Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000906446 Theraps Species 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229960002213 alprenolol Drugs 0.000 description 1
- PAZJSJFMUHDSTF-UHFFFAOYSA-N alprenolol Chemical class CC(C)NCC(O)COC1=CC=CC=C1CC=C PAZJSJFMUHDSTF-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 229940050390 benzoate Drugs 0.000 description 1
- 102000012740 beta Adrenergic Receptors Human genes 0.000 description 1
- 108010079452 beta Adrenergic Receptors Proteins 0.000 description 1
- NEDGUIRITORSKL-UHFFFAOYSA-N butyl 2-methylprop-2-enoate;2-(dimethylamino)ethyl 2-methylprop-2-enoate;methyl 2-methylprop-2-enoate Chemical compound COC(=O)C(C)=C.CCCCOC(=O)C(C)=C.CN(C)CCOC(=O)C(C)=C NEDGUIRITORSKL-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 210000000748 cardiovascular system Anatomy 0.000 description 1
- 229940081734 cellulose acetate phthalate Drugs 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000002512 chemotherapy Methods 0.000 description 1
- LOUPRKONTZGTKE-UHFFFAOYSA-N cinchonine Chemical class C1C(C(C2)C=C)CCN2C1C(O)C1=CC=NC2=CC=C(OC)C=C21 LOUPRKONTZGTKE-UHFFFAOYSA-N 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 239000007931 coated granule Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 229940099371 diacetylated monoglycerides Drugs 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 231100001014 gastrointestinal tract lesion Toxicity 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000028774 intestinal disease Diseases 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- ZRZUFCLKAQYMTG-UHFFFAOYSA-L magnesium ethanol dichloride hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[Cl-].[Cl-].CCO ZRZUFCLKAQYMTG-UHFFFAOYSA-L 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 229960001300 metoprolol tartrate Drugs 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 229960001404 quinidine Drugs 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000009492 tablet coating Methods 0.000 description 1
- 239000002700 tablet coating Substances 0.000 description 1
- WUBVEMGCQRSBBT-UHFFFAOYSA-N tert-butyl 4-(trifluoromethylsulfonyloxy)-3,6-dihydro-2h-pyridine-1-carboxylate Chemical compound CC(C)(C)OC(=O)N1CCC(OS(=O)(=O)C(F)(F)F)=CC1 WUBVEMGCQRSBBT-UHFFFAOYSA-N 0.000 description 1
- 231100001274 therapeutic index Toxicity 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 231100000816 toxic dose Toxicity 0.000 description 1
- 230000002588 toxic 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
- 229960002622 triacetin Drugs 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 229920003169 water-soluble polymer Polymers 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
- A61K9/20—Pills, tablets, discs, rods
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
- A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
- A61K9/2081—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets with microcapsules or coated microparticles according to A61K9/50
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5073—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
- A61K9/5078—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings with drug-free core
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8504720A SE450087B (sv) | 1985-10-11 | 1985-10-11 | Korn med kontrollerad frisettning av farmaceutiskt aktiva emnen som anbringats teckande pa ett kompakt olosligt kernmaterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS729486A2 CS729486A2 (en) | 1989-08-14 |
| CS268819B2 true CS268819B2 (en) | 1990-04-11 |
Family
ID=20361705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS867294A CS268819B2 (en) | 1985-10-11 | 1986-10-09 | Method of particles production with effective substance's controlled loosening |
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| Country | Link |
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| US (1) | US4927640A (pt) |
| EP (1) | EP0277127B1 (pt) |
| JP (1) | JP2560019B2 (pt) |
| KR (1) | KR940000098B1 (pt) |
| CN (1) | CN1025283C (pt) |
| AU (1) | AU593038B2 (pt) |
| CS (1) | CS268819B2 (pt) |
| CY (1) | CY1764A (pt) |
| DD (1) | DD266734A5 (pt) |
| DK (1) | DK175592B1 (pt) |
| ES (1) | ES2003139A6 (pt) |
| FI (1) | FI97686C (pt) |
| GR (1) | GR862526B (pt) |
| HU (1) | HU199677B (pt) |
| IE (1) | IE58967B1 (pt) |
| IS (1) | IS1530B (pt) |
| NZ (1) | NZ217697A (pt) |
| PH (1) | PH24739A (pt) |
| PL (1) | PL148624B1 (pt) |
| PT (1) | PT83508B (pt) |
| SE (1) | SE450087B (pt) |
| SU (1) | SU1706373A3 (pt) |
| WO (1) | WO1987002240A1 (pt) |
| ZA (1) | ZA866861B (pt) |
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| US4326525A (en) * | 1980-10-14 | 1982-04-27 | Alza Corporation | Osmotic device that improves delivery properties of agent in situ |
| US4439195A (en) * | 1980-10-14 | 1984-03-27 | Alza Corporation | Theophylline therapy |
| IT1144911B (it) * | 1981-03-19 | 1986-10-29 | Pharmatec Spa | Composizione farmaceutica a rilascio controllato contenente ibuprofen |
| GB2098867B (en) * | 1981-05-21 | 1984-10-24 | Wyeth John & Brother Ltd | Sustained release pharmaceutical composition |
| JPS57209223A (en) * | 1981-06-19 | 1982-12-22 | Tanabe Seiyaku Co Ltd | Microcapsule for intracranial anti hypotension and its production |
| JPS5826816A (ja) * | 1981-08-11 | 1983-02-17 | Teisan Seiyaku Kk | 球形顆粒からなる持続性複合顆粒剤 |
| US4484921A (en) * | 1982-02-01 | 1984-11-27 | Alza Corporation | Theophylline therapy utilizing osmotic delivery |
| US4649043A (en) * | 1982-03-22 | 1987-03-10 | Alza Corporation | Drug delivery system for delivering a plurality of tiny pills in the gastrointestinal tract |
| US4434153A (en) * | 1982-03-22 | 1984-02-28 | Alza Corporation | Drug delivery system comprising a reservoir containing a plurality of tiny pills |
| US4642233A (en) * | 1982-03-22 | 1987-02-10 | Alza Corporation | Gastrointestinal drug delivery system comprising a hydrogel reservoir containing a plurality of tiny pills |
| US4449983A (en) * | 1982-03-22 | 1984-05-22 | Alza Corporation | Simultaneous delivery of two drugs from unit delivery device |
| JPS58170712A (ja) * | 1982-03-31 | 1983-10-07 | Chiyoda Yakuhin Kk | インドメタシン徐放錠 |
| US4578075A (en) * | 1982-12-20 | 1986-03-25 | Alza Corporation | Delivery system housing a plurality of delivery devices |
| US4681583A (en) * | 1982-12-20 | 1987-07-21 | Alza Corporation | System for dispersing drug in biological environment |
| PH18946A (en) * | 1983-04-21 | 1985-11-14 | Elan Corp Plc | Controlled absorption pharmaceutical composition |
| GB2146531B (en) * | 1983-09-15 | 1987-04-29 | Stc Plc | Controlled release system |
| SE457505B (sv) * | 1984-01-10 | 1989-01-09 | Lejus Medical Ab | Laminatbelagd oral farmaceutisk komposition och foerfarande foer dess framstaellning |
| IT1206166B (it) * | 1984-07-26 | 1989-04-14 | Sigma Tau Ind Farmaceuti | Dispositivo per rilasciare una sostanza in un fluido di dissoluzione con cinetica di ordine zero e procedimento per la sua preparazione |
| GB2159715B (en) * | 1984-06-04 | 1988-05-05 | Sterwin Ag | Pharmaceutical composition in sustained release unit dose form and process for its preparation |
-
1985
- 1985-10-11 SE SE8504720A patent/SE450087B/xx not_active IP Right Cessation
-
1986
- 1986-09-09 ZA ZA866861A patent/ZA866861B/xx unknown
- 1986-09-10 JP JP61505521A patent/JP2560019B2/ja not_active Expired - Lifetime
- 1986-09-10 KR KR1019870700494A patent/KR940000098B1/ko not_active Expired - Lifetime
- 1986-09-10 WO PCT/SE1986/000400 patent/WO1987002240A1/en not_active Ceased
- 1986-09-10 EP EP86905963A patent/EP0277127B1/en not_active Expired - Lifetime
- 1986-09-10 HU HU864771A patent/HU199677B/hu unknown
- 1986-09-10 AU AU65296/86A patent/AU593038B2/en not_active Expired
- 1986-09-12 US US06/907,599 patent/US4927640A/en not_active Expired - Lifetime
- 1986-09-18 IE IE249386A patent/IE58967B1/en not_active IP Right Cessation
- 1986-09-25 PH PH34290A patent/PH24739A/en unknown
- 1986-09-26 NZ NZ217697A patent/NZ217697A/xx unknown
- 1986-10-08 GR GR862526A patent/GR862526B/el unknown
- 1986-10-09 CS CS867294A patent/CS268819B2/cs not_active IP Right Cessation
- 1986-10-09 PT PT83508A patent/PT83508B/pt unknown
- 1986-10-10 IS IS3152A patent/IS1530B/is unknown
- 1986-10-10 PL PL1986261801A patent/PL148624B1/pl unknown
- 1986-10-10 ES ES8602548A patent/ES2003139A6/es not_active Expired
- 1986-10-10 DD DD86295171A patent/DD266734A5/de unknown
- 1986-10-11 CN CN86106651A patent/CN1025283C/zh not_active Expired - Lifetime
-
1987
- 1987-06-04 DK DK198702876A patent/DK175592B1/da not_active IP Right Cessation
-
1988
- 1988-04-04 SU SU884355516A patent/SU1706373A3/ru active
- 1988-04-08 FI FI881657A patent/FI97686C/fi not_active IP Right Cessation
-
1994
- 1994-07-15 CY CY176494A patent/CY1764A/xx unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| IF00 | In force as of 2000-06-30 in czech republic | ||
| MK4A | Patent expired |
Effective date: 20011009 |