CA2706730C - Systeme therapeutique a liberation controlee a monocouche - Google Patents
Systeme therapeutique a liberation controlee a monocouche Download PDFInfo
- Publication number
- CA2706730C CA2706730C CA2706730A CA2706730A CA2706730C CA 2706730 C CA2706730 C CA 2706730C CA 2706730 A CA2706730 A CA 2706730A CA 2706730 A CA2706730 A CA 2706730A CA 2706730 C CA2706730 C CA 2706730C
- Authority
- CA
- Canada
- Prior art keywords
- therapeutic system
- controlled release
- release therapeutic
- poly
- dosage form
- 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 - Fee Related
Links
- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 36
- 238000013270 controlled release Methods 0.000 title claims abstract description 33
- 239000008186 active pharmaceutical agent Substances 0.000 claims abstract description 26
- 239000002552 dosage form Substances 0.000 claims abstract description 22
- 239000011159 matrix material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000011247 coating layer Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- -1 polysiloxane Polymers 0.000 claims description 36
- 239000003795 chemical substances by application Substances 0.000 claims description 29
- ASUTZQLVASHGKV-JDFRZJQESA-N galanthamine Chemical group O1C(=C23)C(OC)=CC=C2CN(C)CC[C@]23[C@@H]1C[C@@H](O)C=C2 ASUTZQLVASHGKV-JDFRZJQESA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 25
- QORVDGQLPPAFRS-XPSHAMGMSA-N galantamine hydrobromide Chemical compound Br.O1C(=C23)C(OC)=CC=C2CN(C)CC[C@]23[C@@H]1C[C@@H](O)C=C2 QORVDGQLPPAFRS-XPSHAMGMSA-N 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 19
- 229960002024 galantamine hydrobromide Drugs 0.000 claims description 19
- 150000003839 salts Chemical class 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000013543 active substance Substances 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 16
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims description 14
- 229960003980 galantamine Drugs 0.000 claims description 14
- ASUTZQLVASHGKV-UHFFFAOYSA-N galanthamine hydrochloride Natural products O1C(=C23)C(OC)=CC=C2CN(C)CCC23C1CC(O)C=C2 ASUTZQLVASHGKV-UHFFFAOYSA-N 0.000 claims description 14
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 14
- 230000000181 anti-adherent effect Effects 0.000 claims description 13
- 239000003911 antiadherent Substances 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 12
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims description 10
- 229920001223 polyethylene glycol Polymers 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 229940075614 colloidal silicon dioxide Drugs 0.000 claims description 9
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 9
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims description 8
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 8
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 8
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 8
- 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 8
- 239000001069 triethyl citrate Substances 0.000 claims description 8
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 claims description 8
- 235000013769 triethyl citrate Nutrition 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 5
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 5
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 5
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 235000000346 sugar Nutrition 0.000 claims description 5
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 4
- 239000001856 Ethyl cellulose Substances 0.000 claims description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 4
- 125000005396 acrylic acid ester group Chemical group 0.000 claims description 4
- 235000010443 alginic acid Nutrition 0.000 claims description 4
- 229920000615 alginic acid Polymers 0.000 claims description 4
- 229920013820 alkyl cellulose Polymers 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 claims description 4
- 229920001249 ethyl cellulose Polymers 0.000 claims description 4
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 4
- 229920000578 graft copolymer Polymers 0.000 claims description 4
- 229920001600 hydrophobic polymer Polymers 0.000 claims description 4
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 4
- 229920000609 methyl cellulose Polymers 0.000 claims description 4
- 239000001923 methylcellulose Substances 0.000 claims description 4
- 235000010981 methylcellulose Nutrition 0.000 claims description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 229940069328 povidone Drugs 0.000 claims description 4
- 150000005846 sugar alcohols Chemical class 0.000 claims description 4
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 3
- 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 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000008101 lactose Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- 229920001661 Chitosan Polymers 0.000 claims description 2
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 239000000783 alginic acid Substances 0.000 claims description 2
- 229960001126 alginic acid Drugs 0.000 claims description 2
- 150000004781 alginic acids Chemical class 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 235000010980 cellulose Nutrition 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920001531 copovidone Polymers 0.000 claims description 2
- 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 claims description 2
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 2
- 239000001087 glyceryl triacetate Substances 0.000 claims description 2
- 235000013773 glyceryl triacetate Nutrition 0.000 claims description 2
- 229920013821 hydroxy alkyl cellulose Polymers 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- KSCKTBJJRVPGKM-UHFFFAOYSA-N octan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-].CCCCCCCC[O-] KSCKTBJJRVPGKM-UHFFFAOYSA-N 0.000 claims description 2
- 229920002939 poly(N,N-dimethylacrylamides) Polymers 0.000 claims description 2
- 229920003213 poly(N-isopropyl acrylamide) Polymers 0.000 claims description 2
- 229920000172 poly(styrenesulfonic acid) Polymers 0.000 claims description 2
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 claims description 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 2
- 229920000098 polyolefin Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims description 2
- 229910052623 talc Inorganic materials 0.000 claims description 2
- 229960002622 triacetin Drugs 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 claims 1
- 238000009472 formulation Methods 0.000 description 17
- 239000008213 purified water Substances 0.000 description 11
- 235000002639 sodium chloride Nutrition 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 229920003161 Eudragit® RS 30 D Polymers 0.000 description 9
- 239000002775 capsule Substances 0.000 description 8
- 229940079593 drug Drugs 0.000 description 8
- 239000003814 drug Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 239000007921 spray Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 239000011324 bead Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 208000024827 Alzheimer disease Diseases 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 239000000544 cholinesterase inhibitor Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000013265 extended release Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 206010012289 Dementia Diseases 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 125000000129 anionic group Chemical group 0.000 description 2
- 229940097217 cardiac glycoside Drugs 0.000 description 2
- 239000002368 cardiac glycoside Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 239000008203 oral pharmaceutical composition Substances 0.000 description 2
- LPMXVESGRSUGHW-HBYQJFLCSA-N ouabain Chemical compound O[C@@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@H]1O[C@@H]1C[C@@]2(O)CC[C@H]3[C@@]4(O)CC[C@H](C=5COC(=O)C=5)[C@@]4(C)C[C@@H](O)[C@@H]3[C@@]2(CO)[C@H](O)C1 LPMXVESGRSUGHW-HBYQJFLCSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
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- 229930002534 steroid glycoside Natural products 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 229940100578 Acetylcholinesterase inhibitor Drugs 0.000 description 1
- 229940122041 Cholinesterase inhibitor Drugs 0.000 description 1
- 241000124008 Mammalia Species 0.000 description 1
- RRGMXBQMCUKRLH-CTNGQTDRSA-N [(3ar,8bs)-3,4,8b-trimethyl-2,3a-dihydro-1h-pyrrolo[2,3-b]indol-7-yl] n-heptylcarbamate Chemical compound C12=CC(OC(=O)NCCCCCCC)=CC=C2N(C)[C@@H]2[C@@]1(C)CCN2C RRGMXBQMCUKRLH-CTNGQTDRSA-N 0.000 description 1
- PBHFNBQPZCRWQP-QUCCMNQESA-N [(3ar,8bs)-3,4,8b-trimethyl-2,3a-dihydro-1h-pyrrolo[2,3-b]indol-7-yl] n-phenylcarbamate Chemical compound CN([C@@H]1[C@@](C2=C3)(C)CCN1C)C2=CC=C3OC(=O)NC1=CC=CC=C1 PBHFNBQPZCRWQP-QUCCMNQESA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229960004302 ambenonium chloride Drugs 0.000 description 1
- DXUUXWKFVDVHIK-UHFFFAOYSA-N ambenonium chloride Chemical compound [Cl-].[Cl-].C=1C=CC=C(Cl)C=1C[N+](CC)(CC)CCNC(=O)C(=O)NCC[N+](CC)(CC)CC1=CC=CC=C1Cl DXUUXWKFVDVHIK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004067 bulking agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920001688 coating polymer Polymers 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 229960001446 distigmine Drugs 0.000 description 1
- GJHSNEVFXQVOHR-UHFFFAOYSA-L distigmine bromide Chemical compound [Br-].[Br-].C=1C=C[N+](C)=CC=1OC(=O)N(C)CCCCCCN(C)C(=O)OC1=CC=C[N+](C)=C1 GJHSNEVFXQVOHR-UHFFFAOYSA-L 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000012055 enteric layer Substances 0.000 description 1
- 229950010753 eptastigmine Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000021474 generally recognized As safe (food) Nutrition 0.000 description 1
- 235000021472 generally recognized as safe Nutrition 0.000 description 1
- 235000021473 generally recognized as safe (food ingredients) Nutrition 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229920000591 gum Polymers 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 239000006186 oral dosage form Substances 0.000 description 1
- 239000008177 pharmaceutical agent Substances 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- IPMKAUAKEGAJNA-XSUJLISDSA-N solanapyrone g Chemical compound C1([C@H]2[C@@H]3CCCC[C@@H]3C=C[C@@H]2C)=CC(N)=C(C=O)C(=O)O1 IPMKAUAKEGAJNA-XSUJLISDSA-N 0.000 description 1
- 239000007909 solid dosage form Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- 238000002636 symptomatic treatment Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229960001685 tacrine Drugs 0.000 description 1
- YLJREFDVOIBQDA-UHFFFAOYSA-N tacrine Chemical compound C1=CC=C2C(N)=C(CCCC3)C3=NC2=C1 YLJREFDVOIBQDA-UHFFFAOYSA-N 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- 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
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
-
- 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
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
-
- 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
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/167—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction with an outer layer or coating comprising drug; with chemically bound drugs or non-active substances on their surface
- A61K9/1676—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction with an outer layer or coating comprising drug; with chemically bound drugs or non-active substances on their surface having a drug-free core with discrete complete coating layer containing drug
Abstract
La présente invention concerne un système thérapeutique à libération contrôlée, son procédé de fabrication ainsi qu'une forme pharmaceutique contenant ledit système thérapeutique à libération contrôlée. Le système thérapeutique à libération contrôlée comprend : un noyau inerte; et une couche d'enrobage disposée sur le noyau inerte, ladite couche d'enrobage comprenant : une matrice polymère contrôlant la libération dans laquelle un agent pharmaceutiquement actif est distribué.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2706730A CA2706730C (fr) | 2007-12-17 | 2008-12-15 | Systeme therapeutique a liberation controlee a monocouche |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002615137A CA2615137A1 (fr) | 2007-12-17 | 2007-12-17 | Dispositif therapeutique monocouche a liberation controlee |
| CA2,615,137 | 2007-12-17 | ||
| PCT/CA2008/002165 WO2009076754A1 (fr) | 2007-12-17 | 2008-12-15 | Système thérapeutique à libération contrôlée à monocouche |
| CA2706730A CA2706730C (fr) | 2007-12-17 | 2008-12-15 | Systeme therapeutique a liberation controlee a monocouche |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2706730A1 CA2706730A1 (fr) | 2009-06-25 |
| CA2706730C true CA2706730C (fr) | 2016-10-18 |
Family
ID=40792428
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002615137A Abandoned CA2615137A1 (fr) | 2007-12-17 | 2007-12-17 | Dispositif therapeutique monocouche a liberation controlee |
| CA2706730A Expired - Fee Related CA2706730C (fr) | 2007-12-17 | 2008-12-15 | Systeme therapeutique a liberation controlee a monocouche |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002615137A Abandoned CA2615137A1 (fr) | 2007-12-17 | 2007-12-17 | Dispositif therapeutique monocouche a liberation controlee |
Country Status (2)
| Country | Link |
|---|---|
| CA (2) | CA2615137A1 (fr) |
| WO (1) | WO2009076754A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2356984A1 (fr) * | 2010-02-04 | 2011-08-17 | Nycomed Austria GmbH | Formulation améliorée de bromure de distigmine |
| ES2938609T3 (es) | 2017-09-20 | 2023-04-13 | Tillotts Pharma Ag | Preparación de formas farmacéuticas sólidas que comprenden anticuerpos mediante estratificación de solución/suspensión |
| CN109464703B (zh) * | 2018-11-29 | 2021-02-26 | 浙江瑞谷生物科技有限公司 | 一种骨修复材料及其制备方法和应用 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE426548B (sv) * | 1978-12-05 | 1983-01-31 | Haessle Ab | Fast farmaceutisk beredning innehallande en terapeutiskt effektiv hjertglykosid och en polymer |
| US4758437A (en) * | 1981-12-23 | 1988-07-19 | Yamanouchi Pharmaceutical Co., Ltd. | Composition for long acting nicardipine preparation and process of producing the composition |
| NZ230763A (en) * | 1988-09-27 | 1991-10-25 | Takeda Chemical Industries Ltd | Production of granules having a core by spraying the cores with a dispersion of hydroxypropylcellulose, optionally incorporating an active ingredient |
| EP0452862B1 (fr) * | 1990-04-18 | 1995-07-19 | Asahi Kasei Kogyo Kabushiki Kaisha | Noyaux des germes sphériques, granules sphériques et procédé de leur préparation |
| SI1140105T1 (en) * | 1998-12-24 | 2004-04-30 | Janssen Pharmaceutica N.V. | Controlled release galantamine composition |
| DE10353196A1 (de) * | 2003-11-13 | 2005-06-16 | Röhm GmbH & Co. KG | Mehrschichtige Arzneiform mit einer die Abgabe einer modulatorischen Substanz beeinflussenden Matrix |
| BRPI0609505A2 (pt) * | 2005-03-29 | 2010-04-13 | Rihm Gmbh | forma farmacêutica em multipartìculas compreendendo péletes com uma matriz que influencia o fornecimento de uma substáncia moduladora |
-
2007
- 2007-12-17 CA CA002615137A patent/CA2615137A1/fr not_active Abandoned
-
2008
- 2008-12-15 CA CA2706730A patent/CA2706730C/fr not_active Expired - Fee Related
- 2008-12-15 WO PCT/CA2008/002165 patent/WO2009076754A1/fr active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CA2615137A1 (fr) | 2009-06-17 |
| WO2009076754A1 (fr) | 2009-06-25 |
| CA2706730A1 (fr) | 2009-06-25 |
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