CN107510664B - Levo-oxiracetam particle and preparation method thereof - Google Patents
Levo-oxiracetam particle and preparation method thereof Download PDFInfo
- Publication number
- CN107510664B CN107510664B CN201610424868.3A CN201610424868A CN107510664B CN 107510664 B CN107510664 B CN 107510664B CN 201610424868 A CN201610424868 A CN 201610424868A CN 107510664 B CN107510664 B CN 107510664B
- Authority
- CN
- China
- Prior art keywords
- parts
- oxiracetam
- levo
- particles
- fluidized bed
- 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.)
- Active
Links
- 239000002245 particle Substances 0.000 title claims abstract description 80
- 229960001227 oxiracetam Drugs 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 37
- 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 abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 17
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 claims abstract description 13
- 229930195725 Mannitol Natural products 0.000 claims abstract description 13
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 13
- 239000000594 mannitol Substances 0.000 claims abstract description 13
- 235000010355 mannitol Nutrition 0.000 claims abstract description 13
- 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 abstract description 12
- 229920000168 Microcrystalline cellulose Polymers 0.000 claims abstract description 12
- 229920002472 Starch Polymers 0.000 claims abstract description 12
- 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 abstract description 12
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 12
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 12
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 12
- 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 abstract description 12
- 239000008101 lactose Substances 0.000 claims abstract description 12
- 239000008108 microcrystalline cellulose Substances 0.000 claims abstract description 12
- 235000019813 microcrystalline cellulose Nutrition 0.000 claims abstract description 12
- 229940016286 microcrystalline cellulose Drugs 0.000 claims abstract description 12
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 12
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 12
- 239000008107 starch Substances 0.000 claims abstract description 12
- 235000019698 starch Nutrition 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims abstract description 11
- PWKSKIMOESPYIA-UHFFFAOYSA-N 2-acetamido-3-sulfanylpropanoic acid Chemical compound CC(=O)NC(CS)C(O)=O PWKSKIMOESPYIA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 18
- 238000007873 sieving Methods 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000004806 packaging method and process Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 229940057838 polyethylene glycol 4000 Drugs 0.000 claims description 7
- 238000010298 pulverizing process Methods 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 6
- 239000007931 coated granule Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000005243 fluidization Methods 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 229960001855 mannitol Drugs 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 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 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 238000004939 coking Methods 0.000 claims description 3
- 239000011812 mixed powder Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 13
- 238000011068 loading method Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 32
- IHLAQQPQKRMGSS-UHFFFAOYSA-N oxiracetam Chemical compound NC(=O)CN1CC(O)CC1=O IHLAQQPQKRMGSS-UHFFFAOYSA-N 0.000 description 18
- 239000000126 substance Substances 0.000 description 11
- 238000002474 experimental method Methods 0.000 description 9
- 230000007774 longterm Effects 0.000 description 9
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 238000011835 investigation Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 5
- 238000010998 test method Methods 0.000 description 5
- 239000004201 L-cysteine Substances 0.000 description 4
- 235000013878 L-cysteine Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 229930006000 Sucrose Natural products 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000000796 flavoring agent Substances 0.000 description 3
- 235000013355 food flavoring agent Nutrition 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000013112 stability test Methods 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- SUHOOTKUPISOBE-UHFFFAOYSA-N O-phosphoethanolamine Chemical compound NCCOP(O)(O)=O SUHOOTKUPISOBE-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 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
- 239000013068 control sample Substances 0.000 description 2
- -1 cyclic GABOB derivative Chemical class 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 235000001727 glucose Nutrition 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- OWEGMIWEEQEYGQ-UHFFFAOYSA-N 100676-05-9 Natural products OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(OC2C(OC(O)C(O)C2O)CO)O1 OWEGMIWEEQEYGQ-UHFFFAOYSA-N 0.000 description 1
- 108010011485 Aspartame Proteins 0.000 description 1
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 1
- YIKYNHJUKRTCJL-UHFFFAOYSA-N Ethyl maltol Chemical compound CCC=1OC=CC(=O)C=1O YIKYNHJUKRTCJL-UHFFFAOYSA-N 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- GUBGYTABKSRVRQ-PICCSMPSSA-N Maltose Natural products O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@@H]1[C@@H](CO)OC(O)[C@H](O)[C@H]1O GUBGYTABKSRVRQ-PICCSMPSSA-N 0.000 description 1
- 206010028400 Mutagenic effect Diseases 0.000 description 1
- 206010074268 Reproductive toxicity Diseases 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- UEDUENGHJMELGK-HYDKPPNVSA-N Stevioside Chemical compound O([C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@]12C(=C)C[C@@]3(C1)CC[C@@H]1[C@@](C)(CCC[C@]1([C@@H]3CC2)C)C(=O)O[C@H]1[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O1)O)[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O UEDUENGHJMELGK-HYDKPPNVSA-N 0.000 description 1
- 239000004376 Sucralose Substances 0.000 description 1
- 208000030886 Traumatic Brain injury Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000605 aspartame Substances 0.000 description 1
- IAOZJIPTCAWIRG-QWRGUYRKSA-N aspartame Chemical compound OC(=O)C[C@H](N)C(=O)N[C@H](C(=O)OC)CC1=CC=CC=C1 IAOZJIPTCAWIRG-QWRGUYRKSA-N 0.000 description 1
- 235000010357 aspartame Nutrition 0.000 description 1
- 229960003438 aspartame Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GUBGYTABKSRVRQ-QUYVBRFLSA-N beta-maltose 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-QUYVBRFLSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008499 blood brain barrier function Effects 0.000 description 1
- 210000001218 blood-brain barrier Anatomy 0.000 description 1
- 210000004556 brain Anatomy 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
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 201000004559 cerebral degeneration Diseases 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 229940093503 ethyl maltol Drugs 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229960001031 glucose Drugs 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 229920003132 hydroxypropyl methylcellulose phthalate Polymers 0.000 description 1
- 229940031704 hydroxypropyl methylcellulose phthalate Drugs 0.000 description 1
- 229940071676 hydroxypropylcellulose Drugs 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000243 mutagenic effect Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 239000002664 nootropic agent Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- YHHSONZFOIEMCP-UHFFFAOYSA-O phosphocholine Chemical compound C[N+](C)(C)CCOP(O)(O)=O YHHSONZFOIEMCP-UHFFFAOYSA-O 0.000 description 1
- 229950004354 phosphorylcholine Drugs 0.000 description 1
- 229940093429 polyethylene glycol 6000 Drugs 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 230000007696 reproductive toxicity Effects 0.000 description 1
- 231100000372 reproductive toxicity Toxicity 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000010356 sorbitol Nutrition 0.000 description 1
- 229960002920 sorbitol Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229940013618 stevioside Drugs 0.000 description 1
- OHHNJQXIOPOJSC-UHFFFAOYSA-N stevioside Natural products CC1(CCCC2(C)C3(C)CCC4(CC3(CCC12C)CC4=C)OC5OC(CO)C(O)C(O)C5OC6OC(CO)C(O)C(O)C6O)C(=O)OC7OC(CO)C(O)C(O)C7O OHHNJQXIOPOJSC-UHFFFAOYSA-N 0.000 description 1
- 235000019202 steviosides Nutrition 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000019408 sucralose Nutrition 0.000 description 1
- BAQAVOSOZGMPRM-QBMZZYIRSA-N sucralose Chemical compound O[C@@H]1[C@@H](O)[C@@H](Cl)[C@@H](CO)O[C@@H]1O[C@@]1(CCl)[C@@H](O)[C@H](O)[C@@H](CCl)O1 BAQAVOSOZGMPRM-QBMZZYIRSA-N 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005303 weighing Methods 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
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/4015—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil having oxo groups directly attached to the heterocyclic ring, e.g. piracetam, ethosuximide
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Preparation (AREA)
Abstract
The levo-oxiracetam particle is characterized by being prepared from the following raw and auxiliary materials in parts by weight: 1 part of levo-oxiracetam, 0.5-1.0 part of L-cysteine, 0.7-1.3 parts of mannitol, 0.5-1.2 parts of microcrystalline cellulose, 1.0-1.5 parts of sodium carboxymethylcellulose, 1.1-1.5 parts of lactose, 0.12-0.16 part of talcum powder, 40000.6-1.2 parts of polyethylene glycol, 0.7-1.3 parts of hydroxypropyl methylcellulose and 8-15 parts of starch slurry with the mass volume fraction of 6-8%; the addition of impurities in the preparation process of the prepared levo-oxiracetam particles is small, the addition is only 0.03%, the powder layer amount of the product is small, the particle size is uniform, the fluidity is good, the repose angle is less than 37 degrees, the loading difference is less than 5%, the stability in the storage process is good, the product is not easy to absorb moisture and agglomerate, and the shelf life of the product is as long as 24 months.
Description
Technical Field
The invention mainly relates to the technical field of pharmacy, and in particular relates to a levo-oxiracetam particle and a preparation method thereof.
Background
Oxiracetam (oxiracetam, CAS No.: 62613-82-5) has the chemical name of 4-hydroxy-2-oxo-1-pyrrolidine acetamide, is an anti-hypoxia nootropic drug (the compound is disclosed in US4118396) which is synthesized for the first time in 1974 by ISFS. P.A. company of Italy, is a cyclic GABOB derivative, can promote the synthesis of phosphorylcholine and phosphorylethanolamine, promote brain metabolism, penetrate blood brain barrier, has stimulation effect on specific central nervous pathways, can improve intelligence and memory, has better curative effect on cerebrovascular diseases, brain trauma, brain tumor, intracranial infection, brain degeneration diseases and the like, and has extremely low toxicity, no mutagenic effect, carcinogenic effect and reproductive toxicity. The chemical structure and preparation of oxiracetam is disclosed in US4118396 by Giorgio et al, and the pharmaceutical efficacy of oxiracetam in the S configuration (levo) is shown in the clinical results in WO9306826A by Chiodini et al, which is stronger than that in the R configuration (dextro), with oxiracetam and levooxiracetam structures shown below.
The existing oxiracetam particles mainly have the technical problems of large impurity increase, more particle powder layers, difficult control of particle size, poor stability in the storage process, strong hygroscopicity of the particles, easy adhesion of connecting blocks, short shelf life and the like in the preparation process.
Disclosure of Invention
The invention aims to provide the levorotatory oxiracetam particles with controllable particle size and good stability.
The invention also aims to provide a preparation method of the levo-oxiracetam particles.
The aim of the invention is realized by the following technical measures:
the levo-oxiracetam granules with good stability are characterized by being prepared by taking levo-oxiracetam as a raw material and adding a certain amount of filler, flavoring agent, adhesive, lubricant and coating material; wherein the filler is one or more of starch, lactose, dextrin, sugar powder, calcium sulfate, sucrose, mannitol, microcrystalline cellulose, glucose, sodium carboxymethylcellulose, and L-cysteine; the flavoring agent is one or more of sucrose, maltose, ethyl maltol, sucralose, stevioside, sorbitol, mannitol, glucose and aspartame; the adhesive is one or more of water, ethanol, sucrose, starch slurry, dextrin, carboxymethyl cellulose and polyvinylpyrrolidone; the lubricant is one or more of talcum powder, magnesium stearate, polyethylene glycol, stearic acid, calcium stearate, sodium lauryl sulfate, superfine silica powder, magnesium oxide and paraffin; the coating material is one or more of polyethylene glycol 4000, polyethylene glycol 6000, hydroxypropyl cellulose, hydroxypropyl methylcellulose, polyethylene acetaldehyde diethylamine ethyl ester, and hydroxypropyl methylcellulose phthalate.
The inventor discovers that the addition of impurities is small in the preparation process of the levo-oxiracetam particles, the product is not easy to absorb moisture, is not easy to adhere to a connecting block, has uniform particle size, small loading difference, good product stability and long shelf life by matching the specific auxiliary material type with the specific formula dosage proportioning relation and matching with a special preparation method; the levo-oxiracetam particle is characterized by being prepared from the following raw and auxiliary materials in parts by weight: 1 part of levo-oxiracetam, 0.5-1.0 part of L-cysteine, 0.7-1.3 parts of mannitol, 0.5-1.2 parts of microcrystalline cellulose, 1.0-1.5 parts of sodium carboxymethylcellulose, 1.1-1.5 parts of lactose, 0.12-0.16 part of talcum powder, 40000.6-1.2 parts of polyethylene glycol, 0.7-1.3 parts of hydroxypropyl methylcellulose and 8-15 parts of starch slurry with the mass volume fraction of 6-8%; taking the formula amount of levo-oxiracetam, L-cysteine, mannitol, microcrystalline cellulose, sodium carboxymethylcellulose and lactose, placing the mixture into a universal pulverizer, pulverizing the mixture, sieving the mixture by a 100-mesh sieve, placing the mixture into a wet granulator, adding starch slurry with the mass fraction of 6-8%, starting the granulator (installing a 18-mesh nylon sieve), and starting granulation; putting the wet particles into a fluidized bed, setting the temperature of the hotbed to be 50-70 ℃, and starting drying for 50-55 minutes; taking polyethylene glycol 4000 and hydroxypropyl methylcellulose in the formula amount, and adding water to prepare coating liquid with the mass volume fraction of 8-10% for later use; putting the dry particles into a fluidized bed, and introducing hot air to enable the dry particles to be in suspension fluidization, wherein the bed temperature is 40-50 ℃; atomizing the coating solution through a nozzle of the fluidized bed, continuously adding the coating solution into the fluidized bed, setting the spraying speed to be 50-60 rpm, setting the atomizing pressure to be 0.8-1.0 bar, continuously feeding air for drying, continuously heating for 10-15 minutes after the solution is sprayed, stopping heating, cooling and discharging; placing the coated granules in a crushing and granulating machine, and sieving and granulating by using a 20-mesh sieve; and (3) crushing the talcum powder according to the prescription amount, sieving the crushed talcum powder by a 100-mesh sieve, adding the crushed talcum powder into the granules, and mixing the granules for 10-20 min by a three-dimensional motion mixer to obtain the talcum powder.
In order to further improve the stability of the levorotatory oxiracetam particles and prolong the shelf life, the levorotatory oxiracetam particles are characterized by being prepared from the following raw and auxiliary materials in parts by weight: 1 part of levo-oxiracetam, 0.7-0.9 part of L-cysteine, 0.9-1.2 parts of mannitol, 0.7-1.0 part of microcrystalline cellulose, 1.1-1.3 parts of sodium carboxymethylcellulose, 1.2-1.4 parts of lactose, 0.13-0.15 part of talcum powder, 40000.7-1.1 parts of polyethylene glycol, 0.8-1.2 parts of hydroxypropyl methylcellulose and 10-13 parts of starch slurry with the mass volume fraction of 6-8%; taking the formula amount of levo-oxiracetam, L-cysteine, mannitol, microcrystalline cellulose, sodium carboxymethylcellulose and lactose, placing the mixture into a universal pulverizer, pulverizing the mixture, sieving the mixture by a 100-mesh sieve, placing the mixture into a wet granulator, adding starch slurry with the mass fraction of 6-8%, starting the granulator (installing a 18-mesh nylon sieve), and starting granulation; putting the wet particles into a fluidized bed, setting the temperature of the hotbed to be 50-70 ℃, and starting drying for 50-55 minutes; taking polyethylene glycol 4000 and hydroxypropyl methylcellulose in the formula amount, and adding water to prepare coating liquid with the mass volume fraction of 8-10% for later use; putting the dry particles into a fluidized bed, and introducing hot air to enable the dry particles to be in suspension fluidization, wherein the bed temperature is 40-50 ℃; atomizing the coating solution through a nozzle of the fluidized bed, continuously adding the coating solution into the fluidized bed, setting the spraying speed to be 50-60 rpm, setting the atomizing pressure to be 0.8-1.0 bar, continuously feeding air for drying, continuously heating for 10-15 minutes after the solution is sprayed, stopping heating, cooling and discharging; placing the coated granules in a crushing and granulating machine, and sieving and granulating by using a 20-mesh sieve; and (3) crushing the talcum powder according to the prescription amount, sieving the crushed talcum powder by a 100-mesh sieve, adding the crushed talcum powder into the granules, and mixing the granules for 10-20 min by a three-dimensional motion mixer to obtain the talcum powder.
A preparation method of levo-oxiracetam particles is characterized by comprising the following steps:
1. pretreatment of raw materials and auxiliary materials: taking the formula amount of the levo-oxiracetam, the filler and the flavoring agent, placing the mixture into a universal pulverizer, pulverizing the mixture, and sieving the pulverized mixture with a 100-mesh sieve for later use;
2. and (3) granulating: putting the mixed powder obtained after the pretreatment into a wet granulator, adding an adhesive, starting the granulator (a nylon sieve with 18 meshes is installed), and starting granulation;
3. and (3) drying: putting the wet particles into a fluidized bed, setting the temperature of the hotbed to be 50-70 ℃, and starting drying; observing the boiling condition and the blowing condition of the particles at any time, preventing the particles from sticking to the bottom of a pot to cause coking or gelatinization, and ensuring that the moisture of the particles is less than or equal to 3 percent, wherein the drying time is 50-55 minutes;
4. coating:
(1) preparation of coating liquid: taking the coating material according to the prescription amount, and adding water to prepare a solution with the mass volume fraction of 8-10% for later use;
(2) and (3) coating process: putting the dry particles into a fluidized bed, and introducing hot air to enable the dry particles to be in suspension fluidization, wherein the bed temperature is 40-50 ℃; atomizing the coating solution through a nozzle of the fluidized bed, continuously adding the coating solution into the fluidized bed, setting the spraying speed to be 50-60 rpm, setting the atomizing pressure to be 0.8-1.0 bar, continuously feeding air for drying, continuously heating for 10-15 minutes after the solution is sprayed, stopping heating, cooling and discharging to obtain coating particles;
5. finishing and screening: placing the coated granules in a crushing and granulating machine, sieving and granulating by using a 20-mesh sieve, and controlling the environmental temperature to be below 25 ℃ and the relative humidity to be below 50%;
6. total mixing: crushing the lubricant, sieving the crushed lubricant with a 100-mesh sieve, adding the crushed lubricant into the granules, and mixing the mixture for 10 to 20 minutes by using a three-dimensional motion mixer;
7. inner packaging: packaging with a particle packaging machine, setting the packaging specification to be 1 g/bag, and controlling the environmental temperature to be below 25 ℃ and the relative humidity to be below 50% to obtain the product.
The invention has the following beneficial effects:
the addition amount of impurities in the preparation process of the levorotatory oxiracetam particles is small, the addition amount is only 0.03%, the powder layer amount of the product is small, the particle size of the particles is uniform, the fluidity is good, the repose angle is less than 37 degrees, the loading difference is less than 5%, the stability in the storage process is good, the product is not easy to absorb moisture and agglomerate, the shelf life of the product is as long as 24 months, the preparation process is simple and feasible, and the levorotatory oxiracetam particle is worthy of market.
Detailed Description
The present invention is described in detail below by way of examples, it being necessary to note that the following examples are provided only for illustrating the present invention and are not to be construed as limiting the scope of the present invention, and modifications or substitutions of the method, steps or conditions of the present invention may be made without departing from the spirit and spirit of the present invention.
Example 1
The levo-oxiracetam particle is prepared by the following steps:
the preparation process comprises the following steps:
1. pretreatment of raw materials and auxiliary materials: taking the prescribed amount of levo-oxiracetam, L-cysteine, mannitol, microcrystalline cellulose, sodium carboxymethylcellulose and lactose, placing the mixture into a universal pulverizer, pulverizing and sieving with a 100-mesh sieve for later use;
2. and (3) granulating: placing the mixed powder obtained after the pretreatment in a wet granulator, adding starch slurry with the mass fraction of 6%, starting the granulator (a nylon sieve with 18 meshes is installed), and starting granulation;
3. and (3) drying: putting the wet particles into a fluidized bed, setting the temperature of the hotbed to be 50-70 ℃, and starting drying; observing the boiling condition and the blowing condition of the particles at any time, preventing the particles from sticking to the bottom of a pot to cause coking or gelatinization, and ensuring that the moisture of the particles is less than or equal to 3 percent, wherein the drying time is 50-55 minutes;
4. coating:
(1) preparation of coating liquid: taking polyethylene glycol 4000 and hydroxypropyl methylcellulose in the formula amount, and adding water to prepare a solution with the mass volume fraction of 8-10% for later use;
(2) and (3) coating process: putting the dry particles into a fluidized bed, and introducing hot air to enable the dry particles to be in suspension fluidization, wherein the bed temperature is 40-50 ℃; atomizing the coating solution through a nozzle of the fluidized bed, continuously adding the coating solution into the fluidized bed, setting the spraying speed to be 50-60 rpm, setting the atomizing pressure to be 0.8-1.0 bar, continuously feeding air for drying, continuously heating for 10-15 minutes after the solution is sprayed, stopping heating, cooling and discharging to obtain coating particles;
5. finishing and screening: placing the coated granules in a crushing and granulating machine, sieving and granulating by using a 20-mesh sieve, and controlling the environmental temperature to be below 25 ℃ and the relative humidity to be below 50%;
6. total mixing: pulverizing talcum powder, sieving with a 100-mesh sieve, adding the sieved granules, and mixing for 10-20 min by using a three-dimensional motion mixer;
7. inner packaging: packaging with a particle packaging machine, setting the packaging specification to be 1 g/bag, and controlling the environmental temperature to be below 25 ℃ and the relative humidity to be below 50% to obtain the product.
Test one: determination of angle of repose of particles
1. Test materials: example 1 sample after total mixing during preparation
2. The test method comprises the following steps: example 1 after the total mixing was completed, the angle of repose was measured by sampling at each of the upper, middle, lower, left and right points of the three-dimensional motion mixer, and the fluidity was evaluated;
3. and (3) test results:
4. and (4) test conclusion: as can be seen from the test results in the table above, the angle of repose is less than 36 degrees in five measurements, indicating good particle flowability.
And (2) test II: difference in charge
1. Test materials: 10 bags of the granules prepared in example 1 were taken, and the difference in the amount of the granules was checked according to the item of the second appendix of the edition of Chinese pharmacopoeia (2010).
2. The determination method comprises the following steps: taking 10 bags of the test article, respectively weighing the weight of the content in each bag, and comparing the weight of each bag with the marked content.
3. And (3) test results: the results of the charge difference check are shown in the following table:
4. and (4) test conclusion: as can be seen from the test results in the table above, the difference of the loading of the product is less than +/-4%, which proves that the difference of the loading is stable and small.
Experiment three: the influence of the formula of the levorotatory oxiracetam particles on the increase of impurities in the preparation process
1. Experimental materials:
left-handed oxiracetam particle samples: prepared as in example 1.
Levo-oxiracetam control sample: the samples prepared in the absence of L-cysteine based on the formulation of example 1 were prepared according to the same procedure as in example 1.
2. The experimental method comprises the following steps: in the preparation process of embodiment 1, the related substances of the levo-oxiracetam bulk drug and the levo-oxiracetam particle finished product are respectively measured, and the impurity increase condition of the levo-oxiracetam particle in the preparation process is observed. Meanwhile, the prescription of the example 1 lacking L-cysteine is taken as a reference prescription, the preparation method of the example 1 is adopted, the related substances of the levorotatory oxiracetam bulk drug and the levorotatory oxiracetam particle finished product are respectively measured, and the impurity increase condition of the levorotatory oxiracetam particle in the preparation process is observed.
3. The results of the experiment are shown in the following table:
4. and (4) experimental conclusion: the formula of example 1, in combination with a specific preparation method, increases the related substances by only 0.03%, which is significantly better than the control sample.
And (4) testing: stability experiment of levo-oxiracetam particles
Experimental materials:
levo-oxiracetam particles: prepared for example 1.
The accelerated test method comprises the following steps: the levo-oxiracetam particles prepared in example 1 are packaged on the market, put in an acceleration experiment box, sampled for a certain time and inspected on an investigation project.
Accelerated test temperature: 40 +/-2 DEG C
Accelerated test humidity: RH 75% +/-5%
Investigation time: 0. months 1, 2, 3 and 6
And (4) investigation indexes are as follows: property, water content, particle size, solubility, related substances, content, and microbial limit
Recording the stability of the accelerated test:
the results of accelerated experiments show that: the quality of each detection index of the sample in the accelerated 6 months is equivalent to that of the sample in the 0 month, which shows that the product has stable quality and better stability in the accelerated experiment for 6 months.
The long-term experimental method comprises the following steps: the levo-oxiracetam particles prepared in example 1 are packaged on the market, placed in a long-term sample box, sampled for a certain time and inspected on an investigation project.
Long-term experimental temperature: 25 +/-2 DEG C
Humidity of long-term experiment: RH 60% +/-10%
Investigation time: 0. 3, 6, 9, 12, 18, 24 months
And (4) investigation indexes are as follows: property, water content, particle size, solubility, related substances, content, and microbial limit
Long-term test stability recording:
long-term tests show that: the product has no significant change in character, moisture, granularity, dissolubility, related substances, content and microorganism limit after long-term test for 24 months, and all meet the relevant regulations of quality standard draft for production. The product has stable quality for 24 months in long-term test, so the product has a minimum effective period of 24 months, and the long-term test is still in the process of continuous investigation.
Example 2
The levo-oxiracetam particle is prepared by the following steps:
the preparation process comprises the following steps: prepared according to the preparation process of example 1. The test method of the embodiment 1 is used for testing, the testing result of the Huizhijiao test shows that the product has good particle fluidity, the Huizhijiao is lower than 37 degrees, the loading difference test shows that the loading difference of the product is less than 5 percent, the loading of the product is stable and controllable, the stability test result shows that the quality of the sample is stable for 6 months, the quality is stable for 24 months, the effective period of the product is at least 24 months, the effect test result of the product prescription on the impurity increase in the preparation process shows that the impurity increase in the preparation process of the product is small, and related substances in the preparation process are only increased by 0.02 percent.
Example 3
The levo-oxiracetam particle is prepared by the following steps:
the preparation process comprises the following steps: prepared according to the preparation process of example 1. The test method of the embodiment 1 is used for testing, the testing result of the Huizhijiao test shows that the product has good particle fluidity, the Huizhijiao is lower than 35 degrees, the loading difference test shows that the loading difference of the product is less than 4 percent, the loading of the product is stable and controllable, the stability test result shows that the quality of the sample is stable for 6 months, the quality is stable for 24 months, the effective period of the product is at least 24 months, the effect test result of the product prescription on the impurity increase in the preparation process shows that the impurity increase in the preparation process of the product is small, and related substances in the preparation process are only increased by 0.03 percent.
Examples 4 to 6: the levo-oxiracetam particle is prepared from the following raw and auxiliary materials in parts by weight, and the preparation method is the same as that in example 1:
examples | 4 | 5 | 6 |
Levo-oxiracetam | 1 part of | 1 part of | 1 part of |
L-cysteine | 0.9 portion | 0.8 portion of | 0.7 portion of |
Mannitol | 1.0 part | 1.1 parts of | 1.0 part |
Microcrystalline cellulose | 0.9 portion | 0.8 portion of | 0.9 portion |
Sodium carboxymethylcellulose | 1.1 parts of | 1.2 parts of | 1.3 parts of |
Lactose | 1.4 parts of | 1.3 parts of | 1.2 parts of |
Talcum powder | 0.13 part | 0.14 part | 0.15 part |
Polyethylene glycol 4000 | 1.0 part | 0.9 portion | 0.8 portion of |
Hydroxypropyl methylcellulose | 0.9 portion | 1.0 part | 1.1 parts of |
Starch slurry with mass fraction of 7% | 11 portions of | 12 portions of | 12 portions of |
The preparation process comprises the following steps: prepared according to the preparation process of example 1. The samples prepared in the examples 4, 5 and 6 are tested according to the test method of the example 1, the results of the testing of the repose angle of the products prepared in the examples 4, 5 and 6 show that the flowability of the particles of the product is good, the repose angle is respectively lower than 37 degrees, 36 degrees and 36 degrees, the difference of the loading of the products prepared in the examples 4, 5 and 6 is less than 5 percent, the loading of the product is stable and controllable, the results of the stability tests of the examples 4, 5 and 6 show that the quality of the sample is stable in 6 months and the quality of the sample is stable in 24 months for a long time, so the effective period of the product is at least 24 months, the influence test results of the formulas of the products prepared in the examples 4, 5 and 6 on the increase of impurities in the preparation process show that the increase of the impurities in the preparation process is small, and the related substances of the samples prepared in the examples 4, 5 and 6.
Claims (3)
1. The levo-oxiracetam particle is characterized by being prepared from the following raw and auxiliary materials in parts by weight: 1 part of levo-oxiracetam, 0.5-1.0 part of L-cysteine, 0.7-1.3 parts of mannitol, 0.5-1.2 parts of microcrystalline cellulose, 1.0-1.5 parts of sodium carboxymethylcellulose, 1.1-1.5 parts of lactose, 0.12-0.16 part of talcum powder, 40000.6-1.2 parts of polyethylene glycol, 0.7-1.3 parts of hydroxypropyl methylcellulose and 8-15 parts of starch slurry with the mass volume fraction of 6-8%; taking the formula amount of levo-oxiracetam, L-cysteine, mannitol, microcrystalline cellulose, sodium carboxymethylcellulose and lactose, placing the mixture into a universal pulverizer, pulverizing the mixture, sieving the pulverized mixture with a 100-mesh sieve, placing the pulverized mixture into a wet granulator, adding starch slurry with the mass fraction of 6-8%, starting the granulator provided with an 18-mesh nylon sieve, and starting granulation; putting the wet particles into a fluidized bed, setting the temperature of the hotbed to be 50-70 ℃, and starting drying for 50-55 minutes; taking polyethylene glycol 4000 and hydroxypropyl methylcellulose in a prescription amount, and adding water to prepare coating liquid with the mass volume fraction of 8-10% for later use; putting the dry particles into a fluidized bed, and introducing hot air to enable the dry particles to be in suspension fluidization, wherein the bed temperature is 40-50 ℃; atomizing the coating solution through a nozzle of the fluidized bed, continuously adding the coating solution into the fluidized bed, setting the spraying speed to be 50-60 rpm, setting the atomizing pressure to be 0.8-1.0 bar, continuously feeding air for drying, continuously heating for 10-15 minutes after the solution is sprayed, stopping heating, cooling and discharging; placing the coated granules in a crushing and granulating machine, and sieving and granulating by using a 20-mesh sieve; and (3) crushing the talcum powder according to the formula amount, sieving the crushed talcum powder with a 100-mesh sieve, adding the crushed talcum powder into the whole granules, and mixing the granules for 10-20 min by using a three-dimensional motion mixer.
2. The levo-oxiracetam particle as claimed in claim 1, which is prepared from the following raw and auxiliary materials in parts by weight: 1 part of levo-oxiracetam, 0.7-0.9 part of L-cysteine, 0.9-1.2 parts of mannitol, 0.7-1.0 part of microcrystalline cellulose, 1.1-1.3 parts of sodium carboxymethylcellulose, 1.2-1.4 parts of lactose, 0.13-0.15 part of talcum powder, 78-1.1 parts of polyethylene glycol 40000.7, 0.8-1.2 parts of hydroxypropyl methylcellulose and 10-13 parts of starch slurry with the mass volume fraction of 6-8%.
3. The process for preparing levo-oxiracetam particles according to claim 1 or 2, characterized in that it is prepared by the following steps:
a, pretreatment of raw and auxiliary materials: taking the prescribed amount of levo-oxiracetam, L-cysteine, mannitol, microcrystalline cellulose, sodium carboxymethylcellulose and lactose, placing the mixture into a universal pulverizer, pulverizing and sieving with a 100-mesh sieve for later use;
b, granulating: putting the mixed powder obtained after the pretreatment into a wet granulator, adding an adhesive, starting the granulator provided with a nylon sieve of 18 meshes, and starting granulation;
c, drying: putting the wet particles into a fluidized bed, setting the temperature of the hotbed to be 50-70 ℃, and starting drying; observing the boiling condition and the blowing condition of the particles at any time, preventing the particles from sticking to the bottom of a pot to cause coking or gelatinization, and ensuring that the moisture of the particles is less than or equal to 3 percent, wherein the drying time is 50-55 minutes;
d, coating:
d, configuring coating liquid: taking polyethylene glycol 4000 and hydroxypropyl methylcellulose in a prescription amount, and adding water to prepare coating liquid with the mass volume fraction of 8-10% for later use;
and D, a coating process: putting the dry particles into a fluidized bed, and introducing hot air to enable the dry particles to be in suspension fluidization, wherein the bed temperature is 40-50 ℃; atomizing the coating solution through a nozzle of the fluidized bed, continuously adding the coating solution into the fluidized bed, setting the spraying speed to be 50-60 rpm, setting the atomizing pressure to be 0.8-1.0 bar, continuously feeding air for drying, continuously heating for 10-15 minutes after the solution is sprayed, stopping heating, cooling and discharging to obtain coating particles;
e, granule finishing and screening, namely putting the coated granules into a crushing and granule finishing machine, sieving and finishing the granules by using a 20-mesh sieve, and controlling the environmental temperature to be below 25 ℃ and the relative humidity to be below 50%;
f, total mixing: crushing talcum powder, sieving with a 100-mesh sieve, adding the crushed talcum powder into the granules, and mixing for 10-20 min by using a three-dimensional motion mixer;
g, inner package: packaging with a particle packaging machine, setting the packaging specification to be 1 g/bag, and controlling the environmental temperature to be below 25 ℃ and the relative humidity to be below 50% to obtain the product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610424868.3A CN107510664B (en) | 2016-06-15 | 2016-06-15 | Levo-oxiracetam particle and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610424868.3A CN107510664B (en) | 2016-06-15 | 2016-06-15 | Levo-oxiracetam particle and preparation method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107510664A CN107510664A (en) | 2017-12-26 |
CN107510664B true CN107510664B (en) | 2020-09-01 |
Family
ID=60721066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610424868.3A Active CN107510664B (en) | 2016-06-15 | 2016-06-15 | Levo-oxiracetam particle and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107510664B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113412925A (en) * | 2021-07-02 | 2021-09-21 | 福建泉州味中皇食品有限公司 | Bagged food powder not prone to caking and production equipment thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101766595A (en) * | 2008-12-31 | 2010-07-07 | 北京利乐生制药科技有限公司 | Solid preparation with levo-oxiracetam as active component |
CN103599083A (en) * | 2013-12-06 | 2014-02-26 | 重庆东泽医药科技发展有限公司 | Levo-oxiracetam slow-release tablet and preparation method thereof |
CN104739796A (en) * | 2013-12-27 | 2015-07-01 | 重庆东泽医药科技发展有限公司 | An oxiracetam tablet and a preparing method thereof |
-
2016
- 2016-06-15 CN CN201610424868.3A patent/CN107510664B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101766595A (en) * | 2008-12-31 | 2010-07-07 | 北京利乐生制药科技有限公司 | Solid preparation with levo-oxiracetam as active component |
CN103599083A (en) * | 2013-12-06 | 2014-02-26 | 重庆东泽医药科技发展有限公司 | Levo-oxiracetam slow-release tablet and preparation method thereof |
CN104739796A (en) * | 2013-12-27 | 2015-07-01 | 重庆东泽医药科技发展有限公司 | An oxiracetam tablet and a preparing method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN107510664A (en) | 2017-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107510664B (en) | Levo-oxiracetam particle and preparation method thereof | |
CN110448532B (en) | Ganoderma lucidum polysaccharide granule and preparation method and application thereof | |
CN107510685B (en) | (S) -4-hydroxy-2-oxo-1-pyrrolidine acetamide particles with uniform content and preparation method thereof | |
CN107510657A (en) | Good levo-oxiracetam particle of a kind of content uniformity and preparation method thereof | |
CN107510672A (en) | Good oxo-1-pyrrolidine ethanamide particle of (S) -4- hydroxyls -2 of a kind of stability and preparation method thereof | |
CN105055353B (en) | A kind of Entecavir tablet and preparation method thereof | |
CN106619526A (en) | Good-stability (S)-4-hydroxy-2 oxo-1-pyrrolidine acetamide granule and preparation method thereof | |
CN107510681B (en) | (S) -4-hydroxy-2 oxo-1-pyrrolidine acetamide particles and preparation method thereof | |
CN106619523B (en) | (S) -4-hydroxy-2 oxo-1-pyrrolidine acetamide particles and preparation method thereof | |
CN105663054B (en) | A kind of Sitafloxacin hydrate granules agent and preparation method thereof | |
CN107510676A (en) | A kind of content is uniform(S)Pyrrolidine acetamide particle of 4 hydroxyl, 2 oxo 1 and preparation method thereof | |
CN106606485A (en) | Good taste levo S-oxiracetam particle and preparation method thereof | |
CN106619525A (en) | (S)-4-hydroxy-2-oxo-1-pyrrolidine acetamide particles having uniform content, and preparation method thereof | |
CN106943376B (en) | A kind of levo-oxiracetam particle and preparation method thereof | |
CN106619529A (en) | Levorotatory oxiracetam granule with good content uniformity and preparation method thereof | |
CN107510679A (en) | A kind of content is uniform(S)Pyrrolidine acetamide particle of 4 hydroxyl, 2 oxo 1 and preparation method thereof | |
CN107638414B (en) | (S) -4-hydroxy-2 oxo-1-pyrrolidine acetamide sustained-release capsule and preparation method thereof | |
CN107510654A (en) | It is a kind of in good taste(S)Oxo-1-pyrrolidine ethanamide particle of -4- hydroxyls -2 and preparation method thereof | |
CN106619530A (en) | Levorotatory oxiracetam granule and preparation method thereof | |
CN107510684A (en) | Good levo-oxiracetam particle of a kind of content uniformity and preparation method thereof | |
CN106890155B (en) | (S) -4-hydroxy-2 oxo-1-pyrrolidine acetamide effervescent tablet and preparation method thereof | |
CN107510656A (en) | Good oxo-1-pyrrolidine ethanamide particle of (S) -4- hydroxyls -2 of a kind of stability and preparation method thereof | |
CN106890151B (en) | Stable levorotatory oxiracetam effervescent tablet and preparation method thereof | |
CN107510667A (en) | A kind of stability is good(S)Oxo-1-pyrrolidine ethanamide particle of -4- hydroxyls -2 and preparation method thereof | |
CN107510674A (en) | A kind of levo-oxiracetam particle in good taste and preparation method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220718 Address after: 430000 No. 88, shendun fifth road, East Lake Development Zone, Wuhan, Hubei Province Patentee after: Wuhan Hengxinyuan Pharmaceutical Co.,Ltd. Address before: No. 9, Yubei District industry road, Chongqing, Chongqing Patentee before: CHONGQING RUNZE PHARMACEUTICAL Co.,Ltd. |