CA1264441A - Galenical retard form - Google Patents
Galenical retard formInfo
- Publication number
- CA1264441A CA1264441A CA000483768A CA483768A CA1264441A CA 1264441 A CA1264441 A CA 1264441A CA 000483768 A CA000483768 A CA 000483768A CA 483768 A CA483768 A CA 483768A CA 1264441 A CA1264441 A CA 1264441A
- Authority
- CA
- Canada
- Prior art keywords
- active agent
- matrix
- dispersion
- dispersion according
- dihydro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000013543 active substance Substances 0.000 claims abstract description 75
- 239000007962 solid dispersion Substances 0.000 claims abstract description 43
- 239000011159 matrix material Substances 0.000 claims abstract description 35
- 239000008194 pharmaceutical composition Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000001427 coherent effect Effects 0.000 claims abstract description 5
- 239000008187 granular material Substances 0.000 claims description 44
- 239000006185 dispersion Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 36
- 239000002775 capsule Substances 0.000 claims description 34
- 230000036470 plasma concentration Effects 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000002202 Polyethylene glycol Substances 0.000 claims description 11
- 239000012736 aqueous medium Substances 0.000 claims description 11
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 7
- 239000000194 fatty acid Substances 0.000 claims description 7
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- -1 2,1,3-benzoxadiazol-4-yl group Chemical group 0.000 claims description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 125000004925 dihydropyridyl group Chemical group N1(CC=CC=C1)* 0.000 claims description 4
- QERUYFVNIOLCHV-UHFFFAOYSA-N darodipine Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1C1=CC=CC2=NON=C12 QERUYFVNIOLCHV-UHFFFAOYSA-N 0.000 claims description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004438 BET method Methods 0.000 claims description 2
- 238000002459 porosimetry Methods 0.000 claims description 2
- HMJIYCCIJYRONP-UHFFFAOYSA-N (+-)-Isradipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC(C)C)C1C1=CC=CC2=NON=C12 HMJIYCCIJYRONP-UHFFFAOYSA-N 0.000 claims 4
- 239000003085 diluting agent Substances 0.000 claims 4
- 239000002552 dosage form Substances 0.000 claims 2
- 239000003937 drug carrier Substances 0.000 claims 2
- OISVCGZHLKNMSJ-UHFFFAOYSA-N 2,6-Lutidine Substances CC1=CC=CC(C)=N1 OISVCGZHLKNMSJ-UHFFFAOYSA-N 0.000 claims 1
- JZLLWZJRQZWSRQ-UHFFFAOYSA-N 5-o-ethyl 3-o-methyl 4-(2,1,3-benzoxadiazol-4-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC2=NON=C12 JZLLWZJRQZWSRQ-UHFFFAOYSA-N 0.000 claims 1
- CRUYLGXNANKGQW-UHFFFAOYSA-N ethyl 4-(2,1,3-benzoxadiazol-4-yl)-5-ethoxy-2,6-dimethyl-1,4-dihydropyridine-3-carboxylate Chemical compound C(C)OC(=O)C1=C(NC(=C(C1C1=CC=CC2=NON=C21)OCC)C)C CRUYLGXNANKGQW-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- 239000003826 tablet Substances 0.000 description 36
- 239000003814 drug Substances 0.000 description 28
- 229940126062 Compound A Drugs 0.000 description 26
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 26
- 229940079593 drug Drugs 0.000 description 25
- 150000001875 compounds Chemical class 0.000 description 24
- 238000004090 dissolution Methods 0.000 description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 238000012360 testing method Methods 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 15
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 14
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 14
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 14
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 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 12
- 229960001597 nifedipine Drugs 0.000 description 11
- 229920001223 polyethylene glycol Polymers 0.000 description 10
- 239000000377 silicon dioxide Substances 0.000 description 8
- 235000012239 silicon dioxide Nutrition 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 7
- 235000019359 magnesium stearate Nutrition 0.000 description 7
- 239000002609 medium Substances 0.000 description 7
- 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 6
- IIUZTXTZRGLYTI-UHFFFAOYSA-N Dihydrogriseofulvin Natural products COC1CC(=O)CC(C)C11C(=O)C(C(OC)=CC(OC)=C2Cl)=C2O1 IIUZTXTZRGLYTI-UHFFFAOYSA-N 0.000 description 6
- UXWOXTQWVMFRSE-UHFFFAOYSA-N Griseoviridin Natural products O=C1OC(C)CC=C(C(NCC=CC=CC(O)CC(O)C2)=O)SCC1NC(=O)C1=COC2=N1 UXWOXTQWVMFRSE-UHFFFAOYSA-N 0.000 description 6
- 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 6
- DDUHZTYCFQRHIY-UHFFFAOYSA-N Negwer: 6874 Natural products COC1=CC(=O)CC(C)C11C(=O)C(C(OC)=CC(OC)=C2Cl)=C2O1 DDUHZTYCFQRHIY-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- DDUHZTYCFQRHIY-RBHXEPJQSA-N griseofulvin Chemical compound COC1=CC(=O)C[C@@H](C)[C@@]11C(=O)C(C(OC)=CC(OC)=C2Cl)=C2O1 DDUHZTYCFQRHIY-RBHXEPJQSA-N 0.000 description 6
- 229960002867 griseofulvin Drugs 0.000 description 6
- 239000008101 lactose Substances 0.000 description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 6
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000001828 Gelatine Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000002702 enteric coating Substances 0.000 description 5
- 238000009505 enteric coating Methods 0.000 description 5
- 229920000159 gelatin Polymers 0.000 description 5
- 235000019322 gelatine Nutrition 0.000 description 5
- 229940031704 hydroxypropyl methylcellulose phthalate Drugs 0.000 description 5
- 229920003132 hydroxypropyl methylcellulose phthalate Polymers 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000546 pharmaceutical excipient Substances 0.000 description 5
- 229920002261 Corn starch Polymers 0.000 description 4
- 239000008120 corn starch Substances 0.000 description 4
- 229940099112 cornstarch Drugs 0.000 description 4
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- ZFXYFBGIUFBOJW-UHFFFAOYSA-N theophylline Chemical compound O=C1N(C)C(=O)N(C)C2=C1NC=N2 ZFXYFBGIUFBOJW-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000013270 controlled release Methods 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229960003512 nicotinic acid Drugs 0.000 description 3
- 239000011664 nicotinic acid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000013268 sustained release Methods 0.000 description 3
- 239000012730 sustained-release form Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- 239000004141 Sodium laurylsulphate Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 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
- 238000004458 analytical method Methods 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007884 disintegrant Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005264 electron capture Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 210000000936 intestine Anatomy 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 229940124531 pharmaceutical excipient Drugs 0.000 description 2
- 239000000902 placebo Substances 0.000 description 2
- 229940068196 placebo Drugs 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229960000278 theophylline Drugs 0.000 description 2
- 150000005691 triesters Chemical class 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- YNGDWRXWKFWCJY-UHFFFAOYSA-N 1,4-Dihydropyridine Chemical compound C1C=CNC=C1 YNGDWRXWKFWCJY-UHFFFAOYSA-N 0.000 description 1
- GCKMFJBGXUYNAG-UHFFFAOYSA-N 17alpha-methyltestosterone Natural products C1CC2=CC(=O)CCC2(C)C2C1C1CCC(C)(O)C1(C)CC2 GCKMFJBGXUYNAG-UHFFFAOYSA-N 0.000 description 1
- HPYNZHMRTTWQTB-UHFFFAOYSA-N 2,3-dimethylpyridine Chemical class CC1=CC=CN=C1C HPYNZHMRTTWQTB-UHFFFAOYSA-N 0.000 description 1
- SZRXGQGHJVBJCS-UHFFFAOYSA-N 2-[4-(2,1,3-benzoxadiazol-4-yl)-5-ethoxycarbonyl-2,6-dimethyl-1,4-dihydropyridin-3-yl]-2-oxoacetic acid Chemical compound C(C)OC(=O)C1=C(NC(=C(C1C1=CC=CC2=NON=C21)C(=O)C(=O)O)C)C SZRXGQGHJVBJCS-UHFFFAOYSA-N 0.000 description 1
- 206010002383 Angina Pectoris Diseases 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical group CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
- GCKMFJBGXUYNAG-HLXURNFRSA-N Methyltestosterone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@](C)(O)[C@@]1(C)CC2 GCKMFJBGXUYNAG-HLXURNFRSA-N 0.000 description 1
- 101100000208 Mus musculus Orm2 gene Proteins 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- LRJOMUJRLNCICJ-JZYPGELDSA-N Prednisolone acetate Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O LRJOMUJRLNCICJ-JZYPGELDSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 235000021152 breakfast Nutrition 0.000 description 1
- 230000002213 calciumantagonistic effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 229940125810 compound 20 Drugs 0.000 description 1
- ALEXXDVDDISNDU-JZYPGELDSA-N cortisol 21-acetate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)COC(=O)C)(O)[C@@]1(C)C[C@@H]2O ALEXXDVDDISNDU-JZYPGELDSA-N 0.000 description 1
- 229960000913 crospovidone Drugs 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- UOOWRCRLTSXSAV-GSZJWLEYSA-N dihydroergocornine mesylate Chemical compound CS(O)(=O)=O.C1=CC([C@H]2C[C@H](CN(C)[C@@H]2C2)C(=O)N[C@]3(C(=O)N4[C@H](C(N5CCC[C@H]5[C@]4(O)O3)=O)C(C)C)C(C)C)=C3C2=CNC3=C1 UOOWRCRLTSXSAV-GSZJWLEYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002662 enteric coated tablet Substances 0.000 description 1
- OFKDAAIKGIBASY-VFGNJEKYSA-N ergotamine Chemical class C([C@H]1C(=O)N2CCC[C@H]2[C@]2(O)O[C@@](C(N21)=O)(C)NC(=O)[C@H]1CN([C@H]2C(C3=CC=CC4=NC=C([C]34)C2)=C1)C)C1=CC=CC=C1 OFKDAAIKGIBASY-VFGNJEKYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000007903 gelatin capsule Substances 0.000 description 1
- 125000005908 glyceryl ester group Chemical group 0.000 description 1
- FETSQPAGYOVAQU-UHFFFAOYSA-N glyceryl palmitostearate Chemical compound OCC(O)CO.CCCCCCCCCCCCCCCC(O)=O.CCCCCCCCCCCCCCCCCC(O)=O FETSQPAGYOVAQU-UHFFFAOYSA-N 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000001145 hydrido group Chemical class *[H] 0.000 description 1
- 229960001067 hydrocortisone acetate Drugs 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000001034 iron oxide pigment Substances 0.000 description 1
- LDHBWEYLDHLIBQ-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide;hydrate Chemical compound O.[OH-].[O-2].[Fe+3] LDHBWEYLDHLIBQ-UHFFFAOYSA-M 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002356 laser light scattering Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000320 mechanical mixture Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000001820 oxy group Chemical group [*:1]O[*:2] 0.000 description 1
- 238000007427 paired t-test Methods 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N palmitic acid group Chemical group C(CCCCCCCCCCCCCCC)(=O)O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 description 1
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 229960002800 prednisolone acetate Drugs 0.000 description 1
- 239000000651 prodrug Substances 0.000 description 1
- 229940002612 prodrug Drugs 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- 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
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
Landscapes
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3422083.6 | 1984-06-14 | ||
| DE3422083 | 1984-06-14 | ||
| DE3442566 | 1984-11-22 | ||
| DEP3442566.7 | 1984-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1264441A true CA1264441A (en) | 1990-01-16 |
Family
ID=25822108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000483768A Expired CA1264441A (en) | 1984-06-14 | 1985-06-12 | Galenical retard form |
Country Status (21)
| Country | Link |
|---|---|
| AT (1) | AT391806B (cs) |
| AU (2) | AU587190B2 (cs) |
| BE (1) | BE902626A (cs) |
| CA (1) | CA1264441A (cs) |
| CY (1) | CY1635A (cs) |
| DE (1) | DE3520184C2 (cs) |
| DK (1) | DK167649B1 (cs) |
| ES (1) | ES8702141A1 (cs) |
| FR (1) | FR2565822B1 (cs) |
| GB (3) | GB2160100B (cs) |
| GR (1) | GR851430B (cs) |
| HK (1) | HK25192A (cs) |
| HU (1) | HU198844B (cs) |
| IE (1) | IE58834B1 (cs) |
| IL (1) | IL75490A0 (cs) |
| IT (1) | IT1200080B (cs) |
| LU (1) | LU85946A1 (cs) |
| NL (1) | NL194389C (cs) |
| NZ (1) | NZ212390A (cs) |
| PT (1) | PT80635B (cs) |
| SE (1) | SE504583C2 (cs) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1187751B (it) * | 1985-10-15 | 1987-12-23 | Eurand Spa | Procedimento per la preparazione di formulazioni solidi di nifedipina ad elevata biodisponibilita' e ad effetto prolungato e formulazioni cosi' ottenute |
| US4816263A (en) * | 1987-10-02 | 1989-03-28 | Alza Corporation | Dosage form for treating cardiovascular diseases comprising isradipine |
| EP0406315B1 (en) * | 1988-03-24 | 1992-11-11 | Bukh Meditec A/S | Controlled release composition |
| GR1000270B (el) * | 1988-09-30 | 1992-05-12 | Alza Corp | Μορφη δοσολογιας για θεραπεια καρδιαγγειακων ασθενειων. |
| DK469989D0 (da) * | 1989-09-22 | 1989-09-22 | Bukh Meditec | Farmaceutisk praeparat |
| MX9300110A (es) * | 1992-01-13 | 1994-07-29 | Gerhard Gergely | Preparacion farmaceutica en la forma de una tableta de efervescencia o de desintegracion o de un granulado de tipo instanteneo y procedimiento para su preparacion. |
| DE4201179A1 (de) * | 1992-01-17 | 1993-07-22 | Alfatec Pharma Gmbh | Wirkstoff(e) enthaltendes granulat oder pellet mit einem geruest aus hydrophilen makromolekuelen und verfahren zu seiner herstellung |
| US5773025A (en) * | 1993-09-09 | 1998-06-30 | Edward Mendell Co., Inc. | Sustained release heterodisperse hydrogel systems--amorphous drugs |
| US6726930B1 (en) | 1993-09-09 | 2004-04-27 | Penwest Pharmaceuticals Co. | Sustained release heterodisperse hydrogel systems for insoluble drugs |
| US5455046A (en) * | 1993-09-09 | 1995-10-03 | Edward Mendell Co., Inc. | Sustained release heterodisperse hydrogel systems for insoluble drugs |
| GB2281697A (en) * | 1993-09-14 | 1995-03-15 | Euro Celtique Sa | Laxative compositions in capsules |
| AU695734B2 (en) | 1996-07-08 | 1998-08-20 | Penwest Pharmaceuticals Co. | Sustained release matrix for high-dose insoluble drugs |
| DE19710009A1 (de) * | 1997-03-12 | 1998-09-24 | Knoll Ag | Mehrphasige wirkstoffhaltige Zubereitungsformen |
| US6056977A (en) | 1997-10-15 | 2000-05-02 | Edward Mendell Co., Inc. | Once-a-day controlled release sulfonylurea formulation |
| US6787157B1 (en) | 1998-03-10 | 2004-09-07 | Abbott Laboratories | Multiphase active ingredient-containing formulations |
| US7001892B1 (en) | 1999-06-11 | 2006-02-21 | Purdue Research Foundation | Pharmaceutical materials and methods for their preparation and use |
| WO2000076480A2 (en) * | 1999-06-11 | 2000-12-21 | Eli Lilly And Company | Pharmaceutical materials and methods for their preparation and use |
| JP3462490B2 (ja) * | 1999-08-04 | 2003-11-05 | 山之内製薬株式会社 | 安定な経口用医薬組成物 |
| AU762291B2 (en) | 1999-09-30 | 2003-06-19 | Penwest Pharmaceutical Co. | Sustained release matrix systems for highly soluble drugs |
| ATE324871T1 (de) * | 2001-02-13 | 2006-06-15 | Astrazeneca Ab | Neue formulierung mit modifizierter freisetzung |
| US7135436B2 (en) | 2003-05-05 | 2006-11-14 | J.F. Daley International, Ltd. | Solid algicide, preparation and usage in recirculating water |
| EP1690528A1 (de) | 2005-02-11 | 2006-08-16 | Abbott GmbH & Co. KG | Herstellung von Dosierungsformen mit einer festen Dispersion eines mikrokristallinen Wirkstoffs |
| WO2008070118A1 (en) | 2006-12-05 | 2008-06-12 | Landec Corporation | Drug delivery |
| US8399007B2 (en) | 2006-12-05 | 2013-03-19 | Landec Corporation | Method for formulating a controlled-release pharmaceutical formulation |
| US8114883B2 (en) | 2007-12-04 | 2012-02-14 | Landec Corporation | Polymer formulations for delivery of bioactive materials |
| WO2010022193A2 (en) | 2008-08-20 | 2010-02-25 | Board Of Regents, The University Of Texas System | Hot-melt extrusion of modified release multi-particulates |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1617362A1 (de) * | 1967-11-17 | 1971-03-25 | Beiersdorf Ag | Verfahren zur Herstellung von Arzneimitteln mit verzoegerter Wirkstoffabgabe in Form von Kapseln |
| DE2400819C2 (de) * | 1974-01-09 | 1982-04-22 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung fester Zubereitungen von schwerlöslichen Arzneimittelwirkstoffen in feinster Verteilung |
| DE2546577B2 (de) * | 1975-10-17 | 1981-04-02 | Sandoz-Patent-GmbH, 7850 Lörrach | Feste Stoffe aus Polyvinylpyrrolidon und Ergotalkaloiden |
| GB1504553A (en) * | 1975-11-17 | 1978-03-22 | Sandoz Ltd | Tablet formulations |
| GB1579818A (en) * | 1977-06-07 | 1980-11-26 | Yamanouchi Pharma Co Ltd | Nifedipine-containing solid preparation composition |
| DK149855C (da) * | 1977-06-20 | 1987-04-21 | Sandoz Ag | Analogifremgangsmaade til fremstilling af 1,4-dihydropyridinderivater |
| CH639659A5 (de) * | 1978-12-18 | 1983-11-30 | Sandoz Ag | Neue 1,4-dihydropyridinderivate, deren herstellung und verwendung. |
| EP0001247A1 (en) * | 1977-09-14 | 1979-04-04 | Kanebo, Ltd. | Pharmaceutical preparation containing nifedipine and a method for producing the same. |
| CH642259A5 (de) * | 1978-12-21 | 1984-04-13 | Sandoz Ag | Galenische zubereitungen fuer orale applikation von ergotalkaloiden. |
| DE2904310A1 (de) * | 1979-02-05 | 1980-08-07 | Boehringer Mannheim Gmbh | Formlinge mit retardierter wirkstofffreisetzung und verfahren zu deren herstellung |
| JPS56115726A (en) * | 1980-02-20 | 1981-09-11 | Kaken Pharmaceut Co Ltd | Pharmaceutical containing nifedipine |
| DE3033919A1 (de) * | 1980-09-09 | 1982-04-22 | Bayer Ag, 5090 Leverkusen | Feste arzneizubereitungen enthaltend nifedipin und verfahren zu ihrer herstellung |
| US4442112A (en) * | 1981-09-02 | 1984-04-10 | Sandoz Ltd. | Dihydropyridine derivatives useful in treating vascular headaches |
| EP0078430B2 (de) * | 1981-10-29 | 1993-02-10 | Bayer Ag | Verfahren zur Herstellung von festen, schnellfreisetzenden Arzneizubereitungen mit Dihydropyridinen |
| CA1208558A (en) * | 1982-10-07 | 1986-07-29 | Kazuo Kigasawa | Soft buccal |
| DE3318649A1 (de) * | 1983-05-21 | 1984-11-22 | Bayer Ag, 5090 Leverkusen | Zweiphasenformulierung |
-
1985
- 1985-05-31 HU HU852126A patent/HU198844B/hu unknown
- 1985-05-31 NL NL8501578A patent/NL194389C/nl not_active IP Right Cessation
- 1985-06-05 DE DE3520184A patent/DE3520184C2/de not_active Expired - Lifetime
- 1985-06-10 BE BE1/011271A patent/BE902626A/fr not_active IP Right Cessation
- 1985-06-10 FR FR858508850A patent/FR2565822B1/fr not_active Expired
- 1985-06-12 IL IL75490A patent/IL75490A0/xx not_active IP Right Cessation
- 1985-06-12 NZ NZ212390A patent/NZ212390A/en unknown
- 1985-06-12 PT PT80635A patent/PT80635B/pt unknown
- 1985-06-12 ES ES544075A patent/ES8702141A1/es not_active Expired
- 1985-06-12 IE IE146085A patent/IE58834B1/en not_active IP Right Cessation
- 1985-06-12 DK DK264785A patent/DK167649B1/da not_active IP Right Cessation
- 1985-06-12 AT AT0174885A patent/AT391806B/de not_active IP Right Cessation
- 1985-06-12 CA CA000483768A patent/CA1264441A/en not_active Expired
- 1985-06-12 GB GB8514855A patent/GB2160100B/en not_active Expired
- 1985-06-12 AU AU43486/85A patent/AU587190B2/en not_active Ceased
- 1985-06-12 GR GR851430A patent/GR851430B/el unknown
- 1985-06-13 IT IT8548210A patent/IT1200080B/it active
- 1985-06-13 LU LU85946A patent/LU85946A1/fr unknown
- 1985-06-13 SE SE8502950A patent/SE504583C2/sv not_active IP Right Cessation
-
1987
- 1987-11-19 GB GB8727056A patent/GB2196852B/en not_active Expired
- 1987-11-19 GB GB8727055A patent/GB2196851B/en not_active Expired
-
1989
- 1989-11-09 AU AU44543/89A patent/AU4454389A/en not_active Abandoned
-
1992
- 1992-04-02 HK HK251/92A patent/HK25192A/xx not_active IP Right Cessation
- 1992-11-06 CY CY1635A patent/CY1635A/en unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |