IE922775A1 - Controlled release pharmaceutical compositions - Google Patents
Controlled release pharmaceutical compositionsInfo
- Publication number
- IE922775A1 IE922775A1 IE277592A IE922775A IE922775A1 IE 922775 A1 IE922775 A1 IE 922775A1 IE 277592 A IE277592 A IE 277592A IE 922775 A IE922775 A IE 922775A IE 922775 A1 IE922775 A1 IE 922775A1
- Authority
- IE
- Ireland
- Prior art keywords
- pharmaceutical composition
- active ingredient
- release
- methyl
- layer
- Prior art date
Links
- 239000008194 pharmaceutical composition Substances 0.000 title claims abstract description 64
- 238000013270 controlled release Methods 0.000 title abstract description 6
- 239000004480 active ingredient Substances 0.000 claims abstract description 63
- 239000000945 filler Substances 0.000 claims abstract description 27
- 229920001477 hydrophilic polymer Polymers 0.000 claims abstract description 26
- 238000004090 dissolution Methods 0.000 claims abstract description 18
- 238000002360 preparation method Methods 0.000 claims abstract description 15
- 230000003628 erosive effect Effects 0.000 claims abstract description 13
- 239000003420 antiserotonin agent Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000952 serotonin receptor agonist Substances 0.000 claims abstract description 6
- 229940122957 Histamine H2 receptor antagonist Drugs 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 117
- 239000000203 mixture Substances 0.000 claims description 40
- 229960003708 sumatriptan Drugs 0.000 claims description 27
- KQKPFRSPSRPDEB-UHFFFAOYSA-N sumatriptan Chemical group CNS(=O)(=O)CC1=CC=C2NC=C(CCN(C)C)C2=C1 KQKPFRSPSRPDEB-UHFFFAOYSA-N 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 26
- 229960000620 ranitidine Drugs 0.000 claims description 22
- VMXUWOKSQNHOCA-LCYFTJDESA-N ranitidine Chemical group [O-][N+](=O)/C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 VMXUWOKSQNHOCA-LCYFTJDESA-N 0.000 claims description 22
- 150000003839 salts Chemical class 0.000 claims description 22
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 21
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 17
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group 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 17
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 17
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 17
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 17
- -1 5-methyl-lH-imidazol-4-yl Chemical group 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 14
- 239000005557 antagonist Substances 0.000 claims description 9
- 239000012453 solvate Substances 0.000 claims description 9
- 239000000314 lubricant Substances 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 239000003485 histamine H2 receptor antagonist Substances 0.000 claims description 5
- 229920003086 cellulose ether Polymers 0.000 claims description 4
- FELGMEQIXOGIFQ-CYBMUJFWSA-N (3r)-9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1h-carbazol-4-one Chemical compound CC1=NC=CN1C[C@@H]1C(=O)C(C=2C(=CC=CC=2)N2C)=C2CC1 FELGMEQIXOGIFQ-CYBMUJFWSA-N 0.000 claims description 3
- 229960005343 ondansetron Drugs 0.000 claims description 3
- ZRIRTEMBXFFOGF-UHFFFAOYSA-N 9-methyl-3-[(5-methyl-1h-imidazol-4-yl)methyl]-2,3-dihydro-1h-carbazol-4-one Chemical compound N1C=NC(CC2C(C3=C(N(C4=CC=CC=C43)C)CC2)=O)=C1C ZRIRTEMBXFFOGF-UHFFFAOYSA-N 0.000 claims description 2
- 239000012792 core layer Substances 0.000 claims description 2
- SSPCCAYAIDNNJX-UHFFFAOYSA-N [1-[2-(methanesulfonamido)ethyl]piperidin-4-yl]methyl 5-fluoro-2-methoxy-1h-indole-3-carboxylate Chemical group COC=1NC2=CC=C(F)C=C2C=1C(=O)OCC1CCN(CCNS(C)(=O)=O)CC1 SSPCCAYAIDNNJX-UHFFFAOYSA-N 0.000 claims 1
- 239000003826 tablet Substances 0.000 description 91
- 229920000642 polymer Polymers 0.000 description 61
- 239000002552 dosage form Substances 0.000 description 40
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 36
- 239000012530 fluid Substances 0.000 description 33
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 28
- 239000008108 microcrystalline cellulose Substances 0.000 description 28
- 229940016286 microcrystalline cellulose Drugs 0.000 description 28
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 28
- 229940079593 drug Drugs 0.000 description 27
- 239000003814 drug Substances 0.000 description 27
- VZCYOOQTPOCHFL-OWOJBTEDSA-L fumarate(2-) Chemical class [O-]C(=O)\C=C\C([O-])=O VZCYOOQTPOCHFL-OWOJBTEDSA-L 0.000 description 24
- 239000011734 sodium Substances 0.000 description 24
- 229910052708 sodium Inorganic materials 0.000 description 24
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 23
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 20
- 239000000546 pharmaceutical excipient Substances 0.000 description 19
- 238000013268 sustained release Methods 0.000 description 19
- 239000012730 sustained-release form Substances 0.000 description 19
- 230000002496 gastric effect Effects 0.000 description 17
- XAAHAAMILDNBPS-UHFFFAOYSA-L calcium hydrogenphosphate dihydrate Chemical compound O.O.[Ca+2].OP([O-])([O-])=O XAAHAAMILDNBPS-UHFFFAOYSA-L 0.000 description 16
- 235000019700 dicalcium phosphate Nutrition 0.000 description 16
- 229940095079 dicalcium phosphate anhydrous Drugs 0.000 description 16
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- 229940075614 colloidal silicon dioxide Drugs 0.000 description 15
- 239000012729 immediate-release (IR) formulation Substances 0.000 description 12
- 239000012738 dissolution medium Substances 0.000 description 11
- JEYKZWRXDALMNG-UHFFFAOYSA-N sufotidine Chemical compound CN1N=C(CS(C)(=O)=O)N=C1NCCCOC1=CC=CC(CN2CCCCC2)=C1 JEYKZWRXDALMNG-UHFFFAOYSA-N 0.000 description 11
- 229960001380 cimetidine Drugs 0.000 description 10
- CCGSUNCLSOWKJO-UHFFFAOYSA-N cimetidine Chemical compound N#CNC(=N/C)\NCCSCC1=NC=N[C]1C CCGSUNCLSOWKJO-UHFFFAOYSA-N 0.000 description 10
- 230000003111 delayed effect Effects 0.000 description 10
- 230000000541 pulsatile effect Effects 0.000 description 10
- 229950002504 sufotidine Drugs 0.000 description 10
- 229920000881 Modified starch Polymers 0.000 description 9
- 238000011978 dissolution method Methods 0.000 description 9
- 230000036571 hydration Effects 0.000 description 9
- 238000006703 hydration reaction Methods 0.000 description 9
- 230000008961 swelling Effects 0.000 description 9
- 239000000499 gel Substances 0.000 description 8
- 235000019359 magnesium stearate Nutrition 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- 230000002028 premature Effects 0.000 description 7
- 229960001520 ranitidine hydrochloride Drugs 0.000 description 7
- GGWBHVILAJZWKJ-KJEVSKRMSA-N ranitidine hydrochloride Chemical compound [H+].[Cl-].[O-][N+](=O)\C=C(/NC)NCCSCC1=CC=C(CN(C)C)O1 GGWBHVILAJZWKJ-KJEVSKRMSA-N 0.000 description 7
- 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
- 239000002585 base Substances 0.000 description 6
- 239000008187 granular material Substances 0.000 description 6
- 239000008101 lactose Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000007884 disintegrant Substances 0.000 description 5
- 239000002702 enteric coating Substances 0.000 description 5
- 238000009505 enteric coating Methods 0.000 description 5
- 239000012467 final product Substances 0.000 description 5
- 230000000968 intestinal effect Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 239000000825 pharmaceutical preparation Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- NTYJJOPFIAHURM-UHFFFAOYSA-N Histamine Chemical compound NCCC1=CN=CN1 NTYJJOPFIAHURM-UHFFFAOYSA-N 0.000 description 4
- NDAUXUAQIAJITI-UHFFFAOYSA-N albuterol Chemical compound CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 NDAUXUAQIAJITI-UHFFFAOYSA-N 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 4
- 229960002052 salbutamol Drugs 0.000 description 4
- PORMUFZNYQJOEI-UHFFFAOYSA-N sumatriptan succinate Chemical compound OC(=O)CCC(O)=O.CNS(=O)(=O)CC1=CC=C2NC=C(CCN(C)C)C2=C1 PORMUFZNYQJOEI-UHFFFAOYSA-N 0.000 description 4
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 3
- 239000004141 Sodium laurylsulphate Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 239000012458 free base Substances 0.000 description 3
- 210000003750 lower gastrointestinal tract Anatomy 0.000 description 3
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical group [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 3
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 3
- 239000000829 suppository Substances 0.000 description 3
- 239000005995 Aluminium silicate Substances 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- 229920002907 Guar gum Polymers 0.000 description 2
- 101000607909 Homo sapiens Ubiquitin carboxyl-terminal hydrolase 1 Proteins 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 2
- 102100039865 Ubiquitin carboxyl-terminal hydrolase 1 Human genes 0.000 description 2
- 201000008629 Zollinger-Ellison syndrome Diseases 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
- BNPSSFBOAGDEEL-UHFFFAOYSA-N albuterol sulfate Chemical compound OS(O)(=O)=O.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1.CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 BNPSSFBOAGDEEL-UHFFFAOYSA-N 0.000 description 2
- 235000012211 aluminium silicate Nutrition 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
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- 201000000052 gastrinoma Diseases 0.000 description 2
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- 239000000665 guar gum Substances 0.000 description 2
- 229960002154 guar gum Drugs 0.000 description 2
- 229960001340 histamine Drugs 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 208000002551 irritable bowel syndrome Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 2
- 239000006186 oral dosage form Substances 0.000 description 2
- QYSPLQLAKJAUJT-UHFFFAOYSA-N piroxicam Chemical compound OC=1C2=CC=CC=C2S(=O)(=O)N(C)C=1C(=O)NC1=CC=CC=N1 QYSPLQLAKJAUJT-UHFFFAOYSA-N 0.000 description 2
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- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 description 2
- 125000000446 sulfanediyl group Chemical group *S* 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
- 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
- OKMWKBLSFKFYGZ-UHFFFAOYSA-N 1-behenoylglycerol Chemical compound CCCCCCCCCCCCCCCCCCCCCC(=O)OCC(O)CO OKMWKBLSFKFYGZ-UHFFFAOYSA-N 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- BCCREUFCSIMJFS-UHFFFAOYSA-N 2-hydroxy-n-[3-[3-(piperidin-1-ylmethyl)phenoxy]propyl]acetamide Chemical compound OCC(=O)NCCCOC1=CC=CC(CN2CCCCC2)=C1 BCCREUFCSIMJFS-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
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 235000010643 Leucaena leucocephala Nutrition 0.000 description 1
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- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
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- 229940124630 bronchodilator Drugs 0.000 description 1
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- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
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- 229960003957 dexamethasone Drugs 0.000 description 1
- UREBDLICKHMUKA-CXSFZGCWSA-N dexamethasone Chemical compound C1CC2=CC(=O)C=C[C@]2(C)[C@]2(F)[C@@H]1[C@@H]1C[C@@H](C)[C@@](C(=O)CO)(O)[C@@]1(C)C[C@@H]2O UREBDLICKHMUKA-CXSFZGCWSA-N 0.000 description 1
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Classifications
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- 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
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- 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
- A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
- A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
-
- 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
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2813—Inorganic compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/04—Drugs for disorders of the alimentary tract or the digestive system for ulcers, gastritis or reflux esophagitis, e.g. antacids, inhibitors of acid secretion, mucosal protectants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919123044A GB9123044D0 (en) | 1991-10-30 | 1991-10-30 | Compositions |
| GB919123026A GB9123026D0 (en) | 1991-10-30 | 1991-10-30 | Compositions |
| GB929203364A GB9203364D0 (en) | 1992-02-18 | 1992-02-18 | Compositions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IE922775A1 true IE922775A1 (en) | 1993-05-05 |
Family
ID=27265908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE277592A IE922775A1 (en) | 1991-10-30 | 1992-10-29 | Controlled release pharmaceutical compositions |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US5425950A (https=) |
| EP (1) | EP0546593B1 (https=) |
| JP (1) | JPH05194188A (https=) |
| KR (1) | KR930007439A (https=) |
| AU (1) | AU666880B2 (https=) |
| BE (1) | BE1005490A3 (https=) |
| CA (1) | CA2081709C (https=) |
| CH (1) | CH685536A5 (https=) |
| CZ (1) | CZ325792A3 (https=) |
| DE (1) | DE69222006T2 (https=) |
| ES (1) | ES2106818T3 (https=) |
| FR (1) | FR2683146B1 (https=) |
| GB (1) | GB2262445B (https=) |
| IE (1) | IE922775A1 (https=) |
| IL (1) | IL103593A0 (https=) |
| IT (1) | IT1263253B (https=) |
| LU (1) | LU88186A1 (https=) |
| MX (1) | MX9206236A (https=) |
| NO (1) | NO924183L (https=) |
| NZ (1) | NZ244921A (https=) |
| TW (1) | TW299236B (https=) |
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| JPH07223970A (ja) * | 1994-02-10 | 1995-08-22 | Tanabe Seiyaku Co Ltd | 消化管内適所放出製剤 |
| US6887461B1 (en) * | 1998-10-26 | 2005-05-03 | Genetics Institute, Llc | Method of using IL-11 for treating mucositis |
| US6548084B2 (en) | 1995-07-20 | 2003-04-15 | Smithkline Beecham Plc | Controlled release compositions |
| JPH0940561A (ja) * | 1995-08-02 | 1997-02-10 | Fujitsukusu Kk | 瀉下剤 |
| US5837284A (en) * | 1995-12-04 | 1998-11-17 | Mehta; Atul M. | Delivery of multiple doses of medications |
| US5922736A (en) * | 1995-12-04 | 1999-07-13 | Celegene Corporation | Chronic, bolus administration of D-threo methylphenidate |
| US6486177B2 (en) * | 1995-12-04 | 2002-11-26 | Celgene Corporation | Methods for treatment of cognitive and menopausal disorders with D-threo methylphenidate |
| US5800834A (en) * | 1996-06-10 | 1998-09-01 | Spireas; Spiridon | Liquisolid systems and methods of preparing same |
| US8022095B2 (en) * | 1996-08-16 | 2011-09-20 | Pozen, Inc. | Methods of treating headaches using 5-HT agonists in combination with long-acting NSAIDs |
| GB9706089D0 (en) * | 1997-03-24 | 1997-05-14 | Scherer Ltd R P | Pharmaceutical composition |
| US6962997B1 (en) * | 1997-05-22 | 2005-11-08 | Celgene Corporation | Process and intermediates for resolving piperidyl acetamide steroisomers |
| IN186245B (https=) | 1997-09-19 | 2001-07-14 | Ranbaxy Lab Ltd | |
| US6607751B1 (en) * | 1997-10-10 | 2003-08-19 | Intellipharamaceutics Corp. | Controlled release delivery device for pharmaceutical agents incorporating microbial polysaccharide gum |
| AU2004222771B2 (en) * | 1998-07-30 | 2006-09-21 | Pfizer Inc. | Prevention of Migraine Recurrence |
| GB9816556D0 (en) * | 1998-07-30 | 1998-09-30 | Pfizer Ltd | Therapy |
| US6602521B1 (en) * | 1998-09-29 | 2003-08-05 | Impax Pharmaceuticals, Inc. | Multiplex drug delivery system suitable for oral administration |
| US20080118556A1 (en) * | 1998-11-02 | 2008-05-22 | Elan Corporation, Plc | Modified Release of Compositions Containing a Combination of Carbidopa, Levodopa and Entacapone |
| EP1126826B3 (en) * | 1998-11-02 | 2019-05-15 | Alkermes Pharma Ireland Limited | Multiparticulate modified release composition of methylphenidate |
| US20090149479A1 (en) * | 1998-11-02 | 2009-06-11 | Elan Pharma International Limited | Dosing regimen |
| US20060240105A1 (en) * | 1998-11-02 | 2006-10-26 | Elan Corporation, Plc | Multiparticulate modified release composition |
| PE20001302A1 (es) | 1998-11-27 | 2000-11-30 | Hoffmann La Roche | Preparaciones de una combinacion farmaceutica que contiene carvedilol e hidroclorotiazida |
| US6270807B1 (en) | 1999-03-02 | 2001-08-07 | L. Perrigo Company | Taste-masked pharmaceutical composition |
| US6632451B2 (en) * | 1999-06-04 | 2003-10-14 | Dexcel Pharma Technologies Ltd. | Delayed total release two pulse gastrointestinal drug delivery system |
| US20040258750A1 (en) * | 1999-06-28 | 2004-12-23 | Gerard Alaux | Timed dual release dosage forms comprising a short acting hypnotic or a salt thereof |
| EP1064938A1 (en) * | 1999-06-28 | 2001-01-03 | Sanofi-Synthelabo | Pharmaceutical dosage forms for controlled release producing at least a timed pulse |
| US20020028240A1 (en) * | 2000-04-17 | 2002-03-07 | Toyohiro Sawada | Timed-release compression-coated solid composition for oral administration |
| US6620431B1 (en) | 2000-04-17 | 2003-09-16 | Charles Signorino | Shellac film coatings providing release at selected pH and method |
| IT1318571B1 (it) * | 2000-06-09 | 2003-08-27 | Farmaka Srl | Composizioni cosmetiche per la cura del cuoio capelluto e dei capelli. |
| US6500457B1 (en) | 2000-08-14 | 2002-12-31 | Peirce Management, Llc | Oral pharmaceutical dosage forms for pulsatile delivery of an antiarrhythmic agent |
| WO2002066002A2 (en) * | 2001-02-14 | 2002-08-29 | Glaxo Wellcome S.A. | Pharmaceutical formulation |
| AU4061702A (en) * | 2001-05-15 | 2003-04-03 | Mcneil-Ppc, Inc. | Dip coating compositions containing starch or dextrin |
| US20030070584A1 (en) * | 2001-05-15 | 2003-04-17 | Cynthia Gulian | Dip coating compositions containing cellulose ethers |
| US20030072731A1 (en) * | 2001-05-15 | 2003-04-17 | Cynthia Gulian | Dip coating compositions containing starch or dextrin |
| US8309118B2 (en) * | 2001-09-28 | 2012-11-13 | Mcneil-Ppc, Inc. | Film forming compositions containing sucralose |
| US20030091630A1 (en) * | 2001-10-25 | 2003-05-15 | Jenny Louie-Helm | Formulation of an erodible, gastric retentive oral dosage form using in vitro disintegration test data |
| US20030104052A1 (en) * | 2001-10-25 | 2003-06-05 | Bret Berner | Gastric retentive oral dosage form with restricted drug release in the lower gastrointestinal tract |
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| US20040052843A1 (en) * | 2001-12-24 | 2004-03-18 | Lerner E. Itzhak | Controlled release dosage forms |
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| AU2003249478A1 (en) * | 2002-07-19 | 2004-02-09 | Ranbaxy Laboratories Limited | Taste masked sumatriptan tablets and processes for their preparation |
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|---|---|---|---|---|
| US4892742A (en) * | 1985-11-18 | 1990-01-09 | Hoffmann-La Roche Inc. | Controlled release compositions with zero order release |
| DE3720757A1 (de) * | 1987-06-24 | 1989-01-05 | Bayer Ag | Dhp-manteltablette |
| DE3814532A1 (de) * | 1988-04-29 | 1989-11-09 | Bayer Ag | Dhp-retard-zubereitung |
| US4880636A (en) * | 1988-05-13 | 1989-11-14 | Franz Robert M | Film coated tablet of ranitidine HCl |
| US5032406A (en) * | 1989-02-21 | 1991-07-16 | Norwich Eaton Pharmaceuticals, Inc. | Dual-action tablet |
| US5085865A (en) * | 1989-04-12 | 1992-02-04 | Warner-Lambert Company | Sustained release pharmaceutical preparations containing an analgesic and a decongestant |
| GB9104890D0 (en) * | 1991-03-08 | 1991-04-24 | Glaxo Group Ltd | Compositions |
-
1992
- 1992-10-23 DE DE69222006T patent/DE69222006T2/de not_active Expired - Lifetime
- 1992-10-23 ES ES92203262T patent/ES2106818T3/es not_active Expired - Lifetime
- 1992-10-23 EP EP92203262A patent/EP0546593B1/en not_active Expired - Lifetime
- 1992-10-28 GB GB9222662A patent/GB2262445B/en not_active Expired - Lifetime
- 1992-10-29 IL IL103593A patent/IL103593A0/xx unknown
- 1992-10-29 CA CA002081709A patent/CA2081709C/en not_active Expired - Lifetime
- 1992-10-29 NZ NZ244921A patent/NZ244921A/en unknown
- 1992-10-29 NO NO92924183A patent/NO924183L/no unknown
- 1992-10-29 KR KR1019920020034A patent/KR930007439A/ko not_active Withdrawn
- 1992-10-29 FR FR9212932A patent/FR2683146B1/fr not_active Expired - Lifetime
- 1992-10-29 MX MX9206236A patent/MX9206236A/es unknown
- 1992-10-29 LU LU88186A patent/LU88186A1/fr unknown
- 1992-10-29 AU AU27469/92A patent/AU666880B2/en not_active Ceased
- 1992-10-29 BE BE9200937A patent/BE1005490A3/fr not_active IP Right Cessation
- 1992-10-29 IE IE277592A patent/IE922775A1/en not_active IP Right Cessation
- 1992-10-29 CZ CS923257A patent/CZ325792A3/cs unknown
- 1992-10-29 CH CH3390/92A patent/CH685536A5/fr not_active IP Right Cessation
- 1992-10-29 IT ITRM920788A patent/IT1263253B/it active IP Right Grant
- 1992-10-29 JP JP4291571A patent/JPH05194188A/ja active Pending
- 1992-10-29 TW TW081108615A patent/TW299236B/zh active
-
1994
- 1994-05-31 US US08/250,948 patent/US5425950A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| IT1263253B (it) | 1996-08-05 |
| MX9206236A (es) | 1993-04-01 |
| GB2262445A (en) | 1993-06-23 |
| EP0546593B1 (en) | 1997-09-03 |
| NZ244921A (en) | 1995-04-27 |
| DE69222006D1 (de) | 1997-10-09 |
| ITRM920788A0 (it) | 1992-10-29 |
| CA2081709A1 (en) | 1993-05-01 |
| FR2683146A1 (fr) | 1993-05-07 |
| NO924183D0 (no) | 1992-10-29 |
| CZ325792A3 (en) | 1993-10-13 |
| GB9222662D0 (en) | 1992-12-09 |
| EP0546593A1 (en) | 1993-06-16 |
| KR930007439A (ko) | 1993-05-20 |
| DE69222006T2 (de) | 1998-01-22 |
| ITRM920788A1 (it) | 1994-04-29 |
| LU88186A1 (fr) | 1993-05-17 |
| JPH05194188A (ja) | 1993-08-03 |
| BE1005490A3 (fr) | 1993-08-10 |
| FR2683146B1 (fr) | 1995-05-12 |
| ES2106818T3 (es) | 1997-11-16 |
| CA2081709C (en) | 2003-09-02 |
| IL103593A0 (en) | 1993-03-15 |
| TW299236B (https=) | 1997-03-01 |
| CH685536A5 (fr) | 1995-08-15 |
| AU666880B2 (en) | 1996-02-29 |
| GB2262445B (en) | 1996-05-15 |
| AU2746992A (en) | 1993-05-06 |
| US5425950A (en) | 1995-06-20 |
| NO924183L (no) | 1993-05-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM9A | Patent lapsed through non-payment of renewal fee |