CH630257A5 - Sustained release formulation - Google Patents
Sustained release formulation Download PDFInfo
- Publication number
- CH630257A5 CH630257A5 CH277676A CH277676A CH630257A5 CH 630257 A5 CH630257 A5 CH 630257A5 CH 277676 A CH277676 A CH 277676A CH 277676 A CH277676 A CH 277676A CH 630257 A5 CH630257 A5 CH 630257A5
- Authority
- CH
- Switzerland
- Prior art keywords
- formulation
- present
- hydrocolloid
- gastric juice
- release
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims description 89
- 238000009472 formulation Methods 0.000 title claims description 72
- 239000012730 sustained-release form Substances 0.000 title claims description 30
- 238000013268 sustained release Methods 0.000 title claims description 29
- 239000000416 hydrocolloid Substances 0.000 claims description 31
- 210000004051 gastric juice Anatomy 0.000 claims description 30
- 239000004480 active ingredient Substances 0.000 claims description 24
- 239000003814 drug Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 11
- 239000008240 homogeneous mixture Substances 0.000 claims description 7
- 239000008194 pharmaceutical composition Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 5
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 5
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 5
- 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 5
- 229920000609 methyl cellulose Polymers 0.000 claims description 5
- 239000001923 methylcellulose Substances 0.000 claims description 5
- 235000010981 methylcellulose Nutrition 0.000 claims description 5
- 230000001225 therapeutic effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims 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 claims description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims 1
- 239000003826 tablet Substances 0.000 description 43
- 239000002775 capsule Substances 0.000 description 20
- 210000002784 stomach Anatomy 0.000 description 15
- 239000013543 active substance Substances 0.000 description 11
- 229940079593 drug Drugs 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000036765 blood level Effects 0.000 description 7
- 229960004782 chlordiazepoxide Drugs 0.000 description 7
- ANTSCNMPPGJYLG-UHFFFAOYSA-N chlordiazepoxide Chemical compound O=N=1CC(NC)=NC2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 ANTSCNMPPGJYLG-UHFFFAOYSA-N 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 7
- 210000000936 intestine Anatomy 0.000 description 7
- 229940069428 antacid Drugs 0.000 description 6
- 239000003159 antacid agent Substances 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 6
- 229940124531 pharmaceutical excipient Drugs 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000011230 binding agent Substances 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
- 239000002245 particle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 3
- -1 B. Chlordiazepoxyd Chemical class 0.000 description 3
- 229960001138 acetylsalicylic acid Drugs 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 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 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- IZHVBANLECCAGF-UHFFFAOYSA-N 2-hydroxy-3-(octadecanoyloxy)propyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)COC(=O)CCCCCCCCCCCCCCCCC IZHVBANLECCAGF-UHFFFAOYSA-N 0.000 description 2
- 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 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 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
- 239000002253 acid Substances 0.000 description 2
- 230000001458 anti-acid effect Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 229940049706 benzodiazepine Drugs 0.000 description 2
- 150000001557 benzodiazepines Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 239000007903 gelatin capsule Substances 0.000 description 2
- 125000005908 glyceryl ester group Chemical group 0.000 description 2
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 159000000014 iron salts Chemical class 0.000 description 2
- 239000008101 lactose Substances 0.000 description 2
- 235000019359 magnesium stearate Nutrition 0.000 description 2
- 238000002483 medication Methods 0.000 description 2
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 210000001187 pylorus Anatomy 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 230000009182 swimming Effects 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- 238000005550 wet granulation Methods 0.000 description 2
- UCTWMZQNUQWSLP-VIFPVBQESA-N (R)-adrenaline Chemical compound CNC[C@H](O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-VIFPVBQESA-N 0.000 description 1
- 229930182837 (R)-adrenaline Natural products 0.000 description 1
- IMWCPTKSESEZCL-SPSNFJOYSA-H (e)-but-2-enedioate;iron(3+) Chemical compound [Fe+3].[Fe+3].[O-]C(=O)\C=C\C([O-])=O.[O-]C(=O)\C=C\C([O-])=O.[O-]C(=O)\C=C\C([O-])=O IMWCPTKSESEZCL-SPSNFJOYSA-H 0.000 description 1
- 244000215068 Acacia senegal Species 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical group OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920001817 Agar Polymers 0.000 description 1
- GUBGYTABKSRVRQ-DCSYEGIMSA-N Beta-Lactose Chemical compound OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-DCSYEGIMSA-N 0.000 description 1
- VMIYHDSEFNYJSL-UHFFFAOYSA-N Bromazepam Chemical compound C12=CC(Br)=CC=C2NC(=O)CN=C1C1=CC=CC=N1 VMIYHDSEFNYJSL-UHFFFAOYSA-N 0.000 description 1
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229930186147 Cephalosporin Natural products 0.000 description 1
- DBAKFASWICGISY-BTJKTKAUSA-N Chlorpheniramine maleate Chemical compound OC(=O)\C=C/C(O)=O.C=1C=CC=NC=1C(CCN(C)C)C1=CC=C(Cl)C=C1 DBAKFASWICGISY-BTJKTKAUSA-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
- 206010053155 Epigastric discomfort Diseases 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920000569 Gum karaya Polymers 0.000 description 1
- 208000001953 Hypotension Diseases 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000934878 Sterculia Species 0.000 description 1
- 239000004098 Tetracycline Substances 0.000 description 1
- 229920001615 Tragacanth Polymers 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000008272 agar Substances 0.000 description 1
- 229940023476 agar Drugs 0.000 description 1
- 235000010419 agar Nutrition 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- RJZNFXWQRHAVBP-UHFFFAOYSA-I aluminum;magnesium;pentahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Al+3] RJZNFXWQRHAVBP-UHFFFAOYSA-I 0.000 description 1
- 229940035676 analgesics Drugs 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000000730 antalgic agent Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000003457 anti-vomiting effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 229940125681 anticonvulsant agent Drugs 0.000 description 1
- 239000001961 anticonvulsive agent Substances 0.000 description 1
- 239000000305 astragalus gummifer gum Substances 0.000 description 1
- 229940125717 barbiturate Drugs 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 229960002729 bromazepam Drugs 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 229940096529 carboxypolymethylene Drugs 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 229960000541 cetyl alcohol Drugs 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940046978 chlorpheniramine maleate Drugs 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229960003529 diazepam Drugs 0.000 description 1
- AAOVKJBEBIDNHE-UHFFFAOYSA-N diazepam Chemical compound N=1CC(=O)N(C)C2=CC=C(Cl)C=C2C=1C1=CC=CC=C1 AAOVKJBEBIDNHE-UHFFFAOYSA-N 0.000 description 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- GXGAKHNRMVGRPK-UHFFFAOYSA-N dimagnesium;dioxido-bis[[oxido(oxo)silyl]oxy]silane Chemical compound [Mg+2].[Mg+2].[O-][Si](=O)O[Si]([O-])([O-])O[Si]([O-])=O GXGAKHNRMVGRPK-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000002895 emetic Substances 0.000 description 1
- 229960005139 epinephrine Drugs 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000013020 final formulation Substances 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 125000005456 glyceride group Chemical group 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 229940074045 glyceryl distearate Drugs 0.000 description 1
- 229940075507 glyceryl monostearate Drugs 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000010514 hydrogenated cottonseed oil Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 208000021822 hypotensive Diseases 0.000 description 1
- 230000001077 hypotensive effect Effects 0.000 description 1
- 239000012729 immediate-release (IR) formulation Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 235000010494 karaya gum Nutrition 0.000 description 1
- 239000000231 karaya gum Substances 0.000 description 1
- 229940039371 karaya gum Drugs 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229940099273 magnesium trisilicate Drugs 0.000 description 1
- 229910000386 magnesium trisilicate Inorganic materials 0.000 description 1
- 235000019793 magnesium trisilicate Nutrition 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229940035363 muscle relaxants Drugs 0.000 description 1
- 239000003158 myorelaxant agent Substances 0.000 description 1
- 229940043348 myristyl alcohol Drugs 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 229960004535 oxazepam Drugs 0.000 description 1
- ADIMAYPTOBDMTL-UHFFFAOYSA-N oxazepam Chemical compound C12=CC(Cl)=CC=C2NC(=O)C(O)N=C1C1=CC=CC=C1 ADIMAYPTOBDMTL-UHFFFAOYSA-N 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 229960000292 pectin Drugs 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000018102 proteins Nutrition 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229940125723 sedative agent Drugs 0.000 description 1
- 239000000932 sedative agent Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000007939 sustained release tablet Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000007916 tablet composition Substances 0.000 description 1
- 239000002278 tabletting lubricant Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229960002180 tetracycline Drugs 0.000 description 1
- 229930101283 tetracycline Natural products 0.000 description 1
- 235000019364 tetracycline Nutrition 0.000 description 1
- 150000003522 tetracyclines Chemical class 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 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
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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/0065—Forms with gastric retention, e.g. floating on gastric juice, adhering to gastric mucosa, expanding to prevent passage through the pylorus
Landscapes
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Physiology (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55910775A | 1975-03-17 | 1975-03-17 | |
| US65800376A | 1976-02-13 | 1976-02-13 | |
| KR7600645A KR800001387B1 (en) | 1975-03-17 | 1976-03-16 | Process for preparing sustained release formulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH630257A5 true CH630257A5 (en) | 1982-06-15 |
Family
ID=27348140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH277676A CH630257A5 (en) | 1975-03-17 | 1976-03-05 | Sustained release formulation |
Country Status (21)
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ197543A (en) * | 1980-07-02 | 1984-12-14 | Commw Scient Ind Res Org | Controlled release compositions for inclusion in intraruminal devices |
| CH649215A5 (de) * | 1981-04-29 | 1985-05-15 | Hoffmann La Roche | Pharmazeutische praeparate. |
| CH652025A5 (de) * | 1981-09-14 | 1985-10-31 | Hoffmann La Roche | Pharmazeutisches praeparat. |
| US4421736A (en) * | 1982-05-20 | 1983-12-20 | Merrel Dow Pharmaceuticals Inc. | Sustained release diethylpropion compositions |
| CH666406A5 (de) * | 1984-02-29 | 1988-07-29 | Sandoz Ag | Verfahren zur herstellung von mikrokapseln, welche bromokriptinmesylat als pharmakologischen wirkstoff enthalten. |
| GB2154874B (en) * | 1984-02-29 | 1987-11-04 | Sandoz Ltd | Bromoscriptine compositions |
| KR850700212A (ko) * | 1984-03-21 | 1985-12-26 | 죠지 드모트 | 서방성 약제학적 캼셀제 |
| JPS6143108A (ja) * | 1984-08-03 | 1986-03-01 | Nippon Shinyaku Co Ltd | 医薬品製剤及びその製造法 |
| HU195729B (en) * | 1985-02-05 | 1988-07-28 | Sandoz Ag | Process for producing pharmaceutical compositions containing 9,10-dihydro-ergot-alkaloides |
| GB8524135D0 (en) * | 1985-10-01 | 1985-11-06 | Sandoz Ltd | Darodipine compositions |
| NL194822C (nl) * | 1985-10-01 | 2003-04-03 | Novartis Ag | Preparaat voor orale toediening met geregelde afgifte en werkwijze voor de bereiding ervan. |
| US4786503A (en) * | 1987-04-06 | 1988-11-22 | Alza Corporation | Dosage form comprising parallel lamine |
| US4814178A (en) * | 1987-07-01 | 1989-03-21 | Sanford Bolton | Floating sustained release therapeutic compositions |
| US5133974A (en) * | 1989-05-05 | 1992-07-28 | Kv Pharmaceutical Company | Extended release pharmaceutical formulations |
| IE64128B1 (en) * | 1990-02-26 | 1995-07-12 | Byrne Rynne Holdings Ltd | A pharmaceutical composition |
| DE69207656T2 (de) * | 1991-01-30 | 1996-10-17 | The Wellcome Foundation Ltd., London | Wasserlösliche tabletten |
| US5629016A (en) * | 1991-01-30 | 1997-05-13 | Glaxo Wellcome Inc. | Water-dispersible tablets |
| CA2107678A1 (en) * | 1991-04-08 | 1992-10-09 | Kouichi Nakamichi | Capsule |
| AU668386B2 (en) * | 1992-03-25 | 1996-05-02 | Depomed Systems, Incorporated | Alkyl-substituted cellulose-based sustained-release oral drug dosage forms |
| US5698226A (en) * | 1993-07-13 | 1997-12-16 | Glaxo Wellcome Inc. | Water-dispersible tablets |
| EP0725626A1 (en) * | 1993-10-29 | 1996-08-14 | RECKITT & COLMAN PRODUCTS LIMITED | Gelatin capsule fill able to foam |
| US5888540A (en) * | 1993-10-29 | 1999-03-30 | Sugden; Keith | Pharmaceutical products |
| WO1995011667A1 (en) * | 1993-10-29 | 1995-05-04 | R.P. Scherer Corporation | Gelatin capsule fill able to foam |
| AU707454B2 (en) * | 1994-05-13 | 1999-07-08 | Smithkline Beecham Corporation | Method and composition for increasing calcium uptake |
| FI972304A0 (fi) * | 1994-12-01 | 1997-05-30 | Cibus Pharmaceutical Inc | Lääkeaineen anto vapauttamalla hidastetusti käyttämällä ylemmistä kasveista saatavissa olevaa jauhettua hydrokolloidikumia |
| FR2820319B3 (fr) * | 2001-02-08 | 2003-12-05 | Ellipse Pharmaceuticals | Procede de fabrication d'un comprime flottant incluant de l'alfuzosine et comprime obtenu |
| FR2820318B1 (fr) * | 2001-02-08 | 2005-12-23 | Ellipse Pharmaceuticals | Procede de fabrication d'un comprime flottant incluant un principe actif et comprime obtenu |
| EP1245227A1 (en) * | 2001-03-31 | 2002-10-02 | Jagotec Ag | A pharmaceutical tablet system that floats in the stomach for programmed release of active substance and process of producing buoyant material contained in same |
| FR2874325B1 (fr) * | 2004-08-19 | 2006-10-20 | Sanofi Synthelabo | Composition pharmaceutique sous forme de comprime a residence gastrique contenant de l'alfuzosine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1059624B (de) * | 1954-11-11 | 1959-06-18 | Dr Knut Jacobus Sundman | Verfahren zur Herstellung von in einer Traegersubstanz dispergierten Arzneien in dosierter Form |
| JPS5512411B2 (enrdf_load_stackoverflow) * | 1974-03-12 | 1980-04-02 | ||
| DE2439538C3 (de) * | 1974-08-17 | 1980-07-17 | Ludwig Heumann & Co Gmbh, 8500 Nuernberg | Verfahren zur Herstellung von oral zu verabreichenden Arzneimitteln mit verzögerter Wirkungsfreigabe |
-
1976
- 1976-03-05 CH CH277676A patent/CH630257A5/de not_active IP Right Cessation
- 1976-03-11 IE IE508/76A patent/IE43083B1/en unknown
- 1976-03-15 NZ NZ180321A patent/NZ180321A/xx unknown
- 1976-03-15 MC MC761182A patent/MC1101A1/xx unknown
- 1976-03-15 FR FR7607363A patent/FR2304354A1/fr active Granted
- 1976-03-15 GR GR50306A patent/GR60341B/el unknown
- 1976-03-15 LU LU74558A patent/LU74558A1/xx unknown
- 1976-03-16 SE SE7603325A patent/SE433804B/xx not_active IP Right Cessation
- 1976-03-16 CA CA248,018A patent/CA1073358A/en not_active Expired
- 1976-03-16 DE DE19762611041 patent/DE2611041A1/de active Granted
- 1976-03-16 DD DD191877A patent/DD124102A5/xx unknown
- 1976-03-16 ES ES446075A patent/ES446075A1/es not_active Expired
- 1976-03-16 PT PT64907A patent/PT64907B/pt unknown
- 1976-03-16 DK DK113676A patent/DK148344C/da not_active IP Right Cessation
- 1976-03-16 AU AU12049/76A patent/AU505355B2/en not_active Expired
- 1976-03-16 GB GB10482/76A patent/GB1546448A/en not_active Expired
- 1976-03-16 JP JP51027758A patent/JPS51115910A/ja active Granted
- 1976-03-16 AT AT192276A patent/AT353415B/de not_active IP Right Cessation
- 1976-03-17 NL NLAANVRAGE7602776,A patent/NL190313C/xx not_active IP Right Cessation
- 1976-03-17 AR AR262597A patent/AR222624A1/es active
- 1976-03-29 PH PH18224A patent/PH14927A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU1204976A (en) | 1977-09-22 |
| PH14927A (en) | 1982-01-29 |
| DK113676A (da) | 1976-09-18 |
| DE2611041A1 (de) | 1976-10-14 |
| DK148344B (da) | 1985-06-17 |
| SE433804B (sv) | 1984-06-18 |
| PT64907A (fr) | 1976-04-01 |
| FR2304354B1 (enrdf_load_stackoverflow) | 1979-04-27 |
| ES446075A1 (es) | 1977-09-16 |
| DK148344C (da) | 1985-11-04 |
| PT64907B (fr) | 1978-03-24 |
| FR2304354A1 (fr) | 1976-10-15 |
| NL7602776A (nl) | 1976-09-21 |
| GR60341B (en) | 1978-05-17 |
| JPS51115910A (en) | 1976-10-13 |
| AR222624A1 (es) | 1981-06-15 |
| NL190313C (nl) | 1994-01-17 |
| NZ180321A (en) | 1978-06-20 |
| SE7603325L (sv) | 1976-09-18 |
| IE43083B1 (en) | 1980-12-17 |
| NL190313B (nl) | 1993-08-16 |
| LU74558A1 (enrdf_load_stackoverflow) | 1977-09-27 |
| AT353415B (de) | 1979-11-12 |
| DD124102A5 (enrdf_load_stackoverflow) | 1977-02-02 |
| DE2611041C2 (enrdf_load_stackoverflow) | 1988-06-09 |
| AU505355B2 (en) | 1979-11-15 |
| MC1101A1 (fr) | 1977-02-04 |
| IE43083L (en) | 1976-09-17 |
| CA1073358A (en) | 1980-03-11 |
| GB1546448A (en) | 1979-05-23 |
| JPS638084B2 (enrdf_load_stackoverflow) | 1988-02-19 |
| ATA192276A (de) | 1979-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: F. HOFFMANN-LA ROCHE AG |
|
| PL | Patent ceased |