CN104971048A - 富马酸二甲酯肠溶微丸及其制备方法 - Google Patents
富马酸二甲酯肠溶微丸及其制备方法 Download PDFInfo
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- CN104971048A CN104971048A CN201510377920.XA CN201510377920A CN104971048A CN 104971048 A CN104971048 A CN 104971048A CN 201510377920 A CN201510377920 A CN 201510377920A CN 104971048 A CN104971048 A CN 104971048A
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- Prior art keywords
- enteric
- layer
- dimethyl fumarate
- coating
- coat
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- 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.)
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- LDCRTTXIJACKKU-ONEGZZNKSA-N dimethyl fumarate Chemical compound COC(=O)\C=C\C(=O)OC LDCRTTXIJACKKU-ONEGZZNKSA-N 0.000 title claims abstract description 68
- 229960004419 dimethyl fumarate Drugs 0.000 title claims abstract description 68
- 239000008188 pellet Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000010410 layer Substances 0.000 claims abstract description 102
- 239000003814 drug Substances 0.000 claims abstract description 32
- 229940079593 drug Drugs 0.000 claims abstract description 25
- 239000011247 coating layer Substances 0.000 claims abstract 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 36
- 239000002702 enteric coating Substances 0.000 claims description 35
- 238000009505 enteric coating Methods 0.000 claims description 35
- 238000000576 coating method Methods 0.000 claims description 34
- 239000011248 coating agent Substances 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 30
- 239000006187 pill Substances 0.000 claims description 27
- 239000011230 binding agent Substances 0.000 claims description 21
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 18
- 150000004767 nitrides Chemical class 0.000 claims description 18
- 239000001069 triethyl citrate Substances 0.000 claims description 18
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 claims description 18
- 235000013769 triethyl citrate Nutrition 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 14
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002775 capsule Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 12
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 12
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 12
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 12
- 229960003943 hypromellose Drugs 0.000 claims description 12
- 239000000314 lubricant Substances 0.000 claims description 12
- 229920002472 Starch Polymers 0.000 claims description 11
- 239000008107 starch Substances 0.000 claims description 11
- 235000019698 starch Nutrition 0.000 claims description 11
- 239000004014 plasticizer Substances 0.000 claims description 9
- 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 claims description 8
- 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 claims description 8
- 229930006000 Sucrose Natural products 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000011734 sodium Substances 0.000 claims description 8
- 229910052708 sodium Inorganic materials 0.000 claims description 8
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 8
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 239000001087 glyceryl triacetate Substances 0.000 claims description 4
- 235000013773 glyceryl triacetate Nutrition 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
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 4
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 229960002622 triacetin Drugs 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims description 4
- 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 claims 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 claims description 2
- 229920000168 Microcrystalline 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
- 238000004132 cross linking Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 239000008101 lactose Substances 0.000 claims description 2
- 229940031703 low substituted hydroxypropyl cellulose Drugs 0.000 claims description 2
- 235000019359 magnesium stearate Nutrition 0.000 claims description 2
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims description 2
- 239000008108 microcrystalline cellulose Substances 0.000 claims description 2
- 229940016286 microcrystalline cellulose Drugs 0.000 claims description 2
- 239000001253 polyvinylpolypyrrolidone Substances 0.000 claims description 2
- 235000013809 polyvinylpolypyrrolidone Nutrition 0.000 claims description 2
- 229920000523 polyvinylpolypyrrolidone Polymers 0.000 claims description 2
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 2
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 9
- 206010070840 Gastrointestinal tract irritation Diseases 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 22
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 16
- 239000000843 powder Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000012216 screening Methods 0.000 description 10
- 229960004793 sucrose Drugs 0.000 description 7
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 6
- 230000001476 alcoholic effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000002671 adjuvant Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000002496 gastric effect Effects 0.000 description 4
- 230000000968 intestinal effect Effects 0.000 description 4
- 239000008363 phosphate buffer Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000005563 spheronization Methods 0.000 description 4
- 239000000872 buffer Substances 0.000 description 3
- 238000005352 clarification Methods 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-L fumarate(2-) Chemical class [O-]C(=O)\C=C\C([O-])=O VZCYOOQTPOCHFL-OWOJBTEDSA-L 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 3
- 229920000053 polysorbate 80 Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007873 sieving Methods 0.000 description 3
- 239000004834 spray adhesive Substances 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012055 enteric layer Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 229940032147 starch Drugs 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 201000004681 Psoriasis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000012738 dissolution medium Substances 0.000 description 1
- 238000011978 dissolution method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007365 immunoregulation Effects 0.000 description 1
- 229960001375 lactose Drugs 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 201000006417 multiple sclerosis Diseases 0.000 description 1
- 229940126701 oral medication Drugs 0.000 description 1
- 239000008183 oral pharmaceutical preparation Substances 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105534950A (zh) * | 2016-01-05 | 2016-05-04 | 无锡华诺威动物保健品有限公司 | 一种饲料用吉他霉素固体微囊的生产方法 |
WO2017139331A1 (en) * | 2016-02-11 | 2017-08-17 | Biogen Ma Inc. | Pharmaceutical bead formulations comprising dimethyl fumarate |
CN107484878A (zh) * | 2016-06-12 | 2017-12-19 | 武汉大北农农牧发展有限公司 | 一种微生物微胶囊的制备方法及其在饲料中的应用 |
WO2018077479A1 (en) * | 2016-10-25 | 2018-05-03 | Pharmathen S.A. | Pharmaceutical compositions comprising a fumaric acid ester and method for the preparation thereof |
WO2020242132A1 (ko) * | 2019-05-31 | 2020-12-03 | 주식회사 큐라클 | 디메틸푸마르산염을 함유한 장용성 정제 |
RU2786364C1 (ru) * | 2019-05-31 | 2022-12-20 | Кьюракл Ко., Лтд. | Энтеросолюбильная таблетка, содержащая диметилфумарат |
CN116251074A (zh) * | 2023-04-19 | 2023-06-13 | 成都百裕制药股份有限公司 | 一种富马酸二甲酯肠溶片以及肠溶胶囊 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1785186A (zh) * | 2004-12-10 | 2006-06-14 | 山东绿叶制药有限公司 | 泮托拉唑或其盐的口服肠溶微丸及其制备工艺 |
CN104288774A (zh) * | 2014-04-21 | 2015-01-21 | 河南省健康伟业生物医药研究股份有限公司 | 一种肠溶包衣、富马酸二甲酯肠溶制剂及其制备方法 |
CN104352441A (zh) * | 2014-10-16 | 2015-02-18 | 济南百诺医药科技开发有限公司 | 一种富马酸二甲酯肠溶微丸及其制备方法 |
CN104523602A (zh) * | 2014-12-12 | 2015-04-22 | 广东东阳光药业有限公司 | 一种富马酸二甲酯肠溶微丸及其制备方法 |
-
2015
- 2015-07-01 CN CN201510377920.XA patent/CN104971048B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1785186A (zh) * | 2004-12-10 | 2006-06-14 | 山东绿叶制药有限公司 | 泮托拉唑或其盐的口服肠溶微丸及其制备工艺 |
CN104288774A (zh) * | 2014-04-21 | 2015-01-21 | 河南省健康伟业生物医药研究股份有限公司 | 一种肠溶包衣、富马酸二甲酯肠溶制剂及其制备方法 |
CN104352441A (zh) * | 2014-10-16 | 2015-02-18 | 济南百诺医药科技开发有限公司 | 一种富马酸二甲酯肠溶微丸及其制备方法 |
CN104523602A (zh) * | 2014-12-12 | 2015-04-22 | 广东东阳光药业有限公司 | 一种富马酸二甲酯肠溶微丸及其制备方法 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105534950A (zh) * | 2016-01-05 | 2016-05-04 | 无锡华诺威动物保健品有限公司 | 一种饲料用吉他霉素固体微囊的生产方法 |
US11033509B2 (en) | 2016-02-11 | 2021-06-15 | Biogen Ma Inc. | Pharmaceutical bead formulations comprising dimethyl fumarate |
WO2017139331A1 (en) * | 2016-02-11 | 2017-08-17 | Biogen Ma Inc. | Pharmaceutical bead formulations comprising dimethyl fumarate |
JP2019504859A (ja) * | 2016-02-11 | 2019-02-21 | バイオジェン・エムエイ・インコーポレイテッドBiogen MA Inc. | フマル酸ジメチルを含む医薬ビーズ製剤 |
JP2021152050A (ja) * | 2016-02-11 | 2021-09-30 | バイオジェン・エムエイ・インコーポレイテッドBiogen MA Inc. | フマル酸ジメチルを含む医薬ビーズ製剤 |
CN107484878A (zh) * | 2016-06-12 | 2017-12-19 | 武汉大北农农牧发展有限公司 | 一种微生物微胶囊的制备方法及其在饲料中的应用 |
CN107484878B (zh) * | 2016-06-12 | 2020-11-03 | 武汉大北农农牧发展有限公司 | 一种微生物微胶囊的制备方法及其在饲料中的应用 |
WO2018077479A1 (en) * | 2016-10-25 | 2018-05-03 | Pharmathen S.A. | Pharmaceutical compositions comprising a fumaric acid ester and method for the preparation thereof |
US10894026B2 (en) | 2016-10-25 | 2021-01-19 | Pharmathen S.A. | Pharmaceutical compositions comprising a fumaric acid ester and method for the preparation thereof |
WO2020242132A1 (ko) * | 2019-05-31 | 2020-12-03 | 주식회사 큐라클 | 디메틸푸마르산염을 함유한 장용성 정제 |
CN113645962A (zh) * | 2019-05-31 | 2021-11-12 | 库拉科有限公司 | 含有富马酸二甲酯的肠溶片剂 |
AU2020283238B2 (en) * | 2019-05-31 | 2022-07-07 | Curacle Co., Ltd. | Enteric tablet containing dimethyl fumarate |
RU2786364C1 (ru) * | 2019-05-31 | 2022-12-20 | Кьюракл Ко., Лтд. | Энтеросолюбильная таблетка, содержащая диметилфумарат |
CN116251074A (zh) * | 2023-04-19 | 2023-06-13 | 成都百裕制药股份有限公司 | 一种富马酸二甲酯肠溶片以及肠溶胶囊 |
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Effective date of registration: 20190819 Address after: Room 650-10, Building No. 2, 351 Guoshoujing Road, Shanghai Free Trade Pilot Area, 201203 Patentee after: SHANGHAI HUILUN LIFE SCIENCE & TECHNOLOGY Co.,Ltd. Address before: Room 304-12, 665 Zhangjiang Road, China (Shanghai) Private Trade Test Zone, Pudong New Area, Shanghai, 200120 Patentee before: Shanghai Huilun Pharmaceutical Technology Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: Room 650-10, Building No. 2, 351 Guoshoujing Road, Shanghai Free Trade Pilot Area, 201203 Patentee after: Shanghai Hui Bio Technology Co.,Ltd. Address before: Room 650-10, Building No. 2, 351 Guoshoujing Road, Shanghai Free Trade Pilot Area, 201203 Patentee before: SHANGHAI HUILUN LIFE SCIENCE & TECHNOLOGY Co.,Ltd. |
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CP03 | Change of name, title or address |
Address after: 200241 floor 10, building 5, No. 525, Yuanjiang Road, Minhang District, Shanghai Patentee after: Shanghai Huilun Pharmaceutical Co.,Ltd. Address before: Room 650-10, building 2, 351 GuoShouJing Road, Shanghai pilot Free Trade Zone, 201203 Patentee before: Shanghai Hui Bio Technology Co.,Ltd. |