EP4057988A1 - Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer cellulose - Google Patents
Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer celluloseInfo
- Publication number
- EP4057988A1 EP4057988A1 EP20799745.3A EP20799745A EP4057988A1 EP 4057988 A1 EP4057988 A1 EP 4057988A1 EP 20799745 A EP20799745 A EP 20799745A EP 4057988 A1 EP4057988 A1 EP 4057988A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mhi
- particles
- cellulose
- weight
- particle size
- 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.)
- Withdrawn
Links
- 239000002245 particle Substances 0.000 title claims abstract description 121
- 239000001913 cellulose Substances 0.000 title claims abstract description 50
- 229920002678 cellulose Polymers 0.000 title claims abstract description 49
- 239000011164 primary particle Substances 0.000 title claims abstract description 46
- 239000007787 solid Substances 0.000 title claims abstract description 36
- 239000011230 binding agent Substances 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 235000010980 cellulose Nutrition 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 43
- 238000001035 drying Methods 0.000 claims description 18
- 241000196324 Embryophyta Species 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001694 spray drying Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- 244000215068 Acacia senegal Species 0.000 claims description 7
- 229920000084 Gum arabic Polymers 0.000 claims description 7
- 235000010489 acacia gum Nutrition 0.000 claims description 7
- 239000000205 acacia gum Substances 0.000 claims description 7
- 238000005054 agglomeration Methods 0.000 claims description 7
- 230000002776 aggregation Effects 0.000 claims description 7
- 229920002472 Starch Polymers 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 6
- 230000003179 granulation Effects 0.000 claims description 6
- 229920000609 methyl cellulose Polymers 0.000 claims description 6
- 239000001923 methylcellulose Substances 0.000 claims description 6
- 235000010981 methylcellulose Nutrition 0.000 claims description 6
- 239000008107 starch Substances 0.000 claims description 6
- 235000019698 starch Nutrition 0.000 claims description 6
- 239000004480 active ingredient Substances 0.000 claims description 5
- 239000002537 cosmetic Substances 0.000 claims description 5
- 229920003043 Cellulose fiber Polymers 0.000 claims description 4
- DLRVVLDZNNYCBX-UHFFFAOYSA-N Polydextrose Polymers OC1C(O)C(O)C(CO)OC1OCC1C(O)C(O)C(O)C(O)O1 DLRVVLDZNNYCBX-UHFFFAOYSA-N 0.000 claims description 4
- 235000010443 alginic acid Nutrition 0.000 claims description 4
- 229920000615 alginic acid Polymers 0.000 claims description 4
- 238000003795 desorption Methods 0.000 claims description 4
- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 239000001856 Ethyl cellulose Substances 0.000 claims description 3
- 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 3
- 229920002774 Maltodextrin Polymers 0.000 claims description 3
- 239000005913 Maltodextrin Substances 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 235000019325 ethyl cellulose Nutrition 0.000 claims description 3
- 229920001249 ethyl cellulose Polymers 0.000 claims description 3
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 3
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 3
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 3
- 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 3
- 229940035034 maltodextrin Drugs 0.000 claims description 3
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 235000013913 Ceratonia Nutrition 0.000 claims description 2
- 241001060815 Ceratonia Species 0.000 claims description 2
- 229920001353 Dextrin Polymers 0.000 claims description 2
- 239000004375 Dextrin Substances 0.000 claims 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 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 2
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 2
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- 229920001100 Polydextrose Polymers 0.000 claims description 2
- 229920002125 Sokalan® Polymers 0.000 claims description 2
- 229940072056 alginate Drugs 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
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 229960001631 carbomer Drugs 0.000 claims description 2
- 229940043431 ceratonia Drugs 0.000 claims description 2
- 239000002385 cottonseed oil Substances 0.000 claims description 2
- 235000012343 cottonseed oil Nutrition 0.000 claims description 2
- 235000019425 dextrin Nutrition 0.000 claims description 2
- 239000008121 dextrose Substances 0.000 claims description 2
- 229960004667 ethyl cellulose Drugs 0.000 claims description 2
- 238000005194 fractionation Methods 0.000 claims description 2
- 229960001031 glucose Drugs 0.000 claims description 2
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 2
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 2
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 2
- 229960002900 methylcellulose Drugs 0.000 claims description 2
- 239000001259 polydextrose Substances 0.000 claims description 2
- 235000013856 polydextrose Nutrition 0.000 claims description 2
- 229940035035 polydextrose Drugs 0.000 claims description 2
- 229920000193 polymethacrylate Polymers 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 229940069328 povidone Drugs 0.000 claims description 2
- 244000007835 Cyamopsis tetragonoloba Species 0.000 claims 1
- 239000011361 granulated particle Substances 0.000 claims 1
- 235000015112 vegetable and seed oil Nutrition 0.000 claims 1
- 239000008158 vegetable oil Substances 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- 239000011521 glass Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 235000019198 oils Nutrition 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- RZEKVGVHFLEQIL-UHFFFAOYSA-N celecoxib Chemical compound C1=CC(C)=CC=C1C1=CC(C(F)(F)F)=NN1C1=CC=C(S(N)(=O)=O)C=C1 RZEKVGVHFLEQIL-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 229960000590 celecoxib Drugs 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 5
- 239000012876 carrier material Substances 0.000 description 5
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 239000012065 filter cake Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000009472 formulation Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000012488 sample solution Substances 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 229920002261 Corn starch Polymers 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008120 corn starch Substances 0.000 description 2
- 229940099112 cornstarch Drugs 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 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
- 229940016286 microcrystalline cellulose Drugs 0.000 description 2
- 239000008108 microcrystalline cellulose Substances 0.000 description 2
- 239000000825 pharmaceutical preparation Substances 0.000 description 2
- 229940127557 pharmaceutical product Drugs 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- WSVLPVUVIUVCRA-KPKNDVKVSA-N Alpha-lactose monohydrate Chemical compound O.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 WSVLPVUVIUVCRA-KPKNDVKVSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 244000303965 Cyamopsis psoralioides Species 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000019568 aromas Nutrition 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- BXZCTOIDCRWONQ-UHFFFAOYSA-N copper;ethane-1,2-diamine Chemical compound [Cu+2].NCCN BXZCTOIDCRWONQ-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001212 derivatisation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229940014259 gelatin Drugs 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000008172 hydrogenated vegetable oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229960001021 lactose monohydrate Drugs 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229940087305 limonene Drugs 0.000 description 1
- 235000001510 limonene Nutrition 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000003921 particle size analysis Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920003124 powdered cellulose Polymers 0.000 description 1
- 235000019814 powdered cellulose Nutrition 0.000 description 1
- 229920003133 pregelled starch Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000005956 quaternization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229940032147 starch Drugs 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000007916 tablet composition Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229960001295 tocopherol Drugs 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000001993 wax Substances 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
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
- A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—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
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES, NOT OTHERWISE PROVIDED FOR; PREPARATION OR TREATMENT THEREOF
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
- A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
- A23L33/24—Cellulose or derivatives thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/0241—Containing particulates characterized by their shape and/or structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- 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
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
-
- 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
- A61K9/1682—Processes
-
- 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
- A61K9/19—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles lyophilised, i.e. freeze-dried, solutions or dispersions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Definitions
- the invention relates to solid particles comprising solid primary particles of essentially native cellulose and a binder, their production and use.
- Prior art DE2921931 discloses a method for producing free-flowing products based on
- Cellulose powder that is suitable for use in the pharmaceutical, chemical and food industries.
- the object of the invention was to provide solid particles which can be used in particular in foods, cosmetic and / or pharmaceutical products, which
- the present invention therefore relates to solid particles containing an average particle size of 15 mhi to 2000 mhi
- solid primary particles with an average particle size of 3 mhi to 20 mhi, which contain at least 95% by weight of native cellulose obtained from plant fibers, the percentages by weight being based on the total dry weight of primary particles, and
- One advantage of the present invention is that the particles according to the invention are able to absorb active ingredients of all types in large quantities.
- Another advantage of the present invention is that the particles according to the invention release the absorbed substances in a large amount in the aqueous. Another advantage of the present invention is that the particles according to the invention in the aqueous release the absorbed substances very quickly.
- Another advantage of the present invention is that the particles according to the invention have excellent flowability.
- Another advantage of the present invention is that the particles according to the invention are mechanically stable. Another advantage of the present invention is that the particles according to the invention can be produced entirely based on renewable raw materials.
- Another advantage of the present invention is that the particles according to the invention are biodegradable.
- a further advantage of the present invention is that the particles according to the invention can be tabletted very well, with few additives in particular having to be used.
- Another advantage of the present invention is that the tablets produced with the aid of the particles according to the invention have a high breaking strength.
- Another advantage of the present invention is that the tablets produced with the aid of the particles according to the invention have a low mass.
- the present invention thus provides solid particles with an average particle size of 30 mhi to 2000 mhi, preferably 50 mhi to 200 mhi, particularly preferably 120 mhi to 180 mhi, containing
- cellulose obtained from plant fibers in connection with the present invention is to be understood as a cellulose which has not undergone any chemical modification in the form of a concentrated acid or base treatment by which the amorphous components of the cellulose are at least partially removed, and in particular has not undergone any chemical derivatization such as hydroxypropylation, hydroxyethylation, carboxymethylation, esterification (eg acetylation), etherification (eg methylation) and quaternization, but has only been obtained from a natural product by milling in an aqueous solution.
- any chemical derivatization such as hydroxypropylation, hydroxyethylation, carboxymethylation, esterification (eg acetylation), etherification (eg methylation) and quaternization
- dry describes a cellulose that has undergone the following drying process:
- the residual moisture before drying is a maximum of 9%.
- the sample After cooling to room temperature in the desiccator, the sample is weighed.
- solid means the physical state “solid” at an ambient temperature at the cosmetic formulations are used, to understand that this temperature range extends in particular from 15 ° C to 45 ° C. Unless otherwise stated, all conditions such as pressure and temperature are standard conditions (25 ° C., 1 bar). Unless otherwise stated, percentages are given in percent by mass.
- the mean particle size was determined with the aid of laser diffraction particle size analysis in the Horiba LA 950 from Retsch GmbH, Germany.
- laser light interacts with particles, diffraction, refraction, reflection and absorption generate scattered light patterns that are characteristic of the particle size.
- These scattered light patterns are assigned to a certain particle size distribution using the Fraunhofer theory and the mean particle size represents the d50 value for the volume-weighted particle size distribution.
- the device can analyze particles in the size range between 0.1 and 3,000 ⁇ m.
- the cellulose powder was measured dry. The following settings were selected on the device:
- the stability of the powder is determined by the abrasion during a sieving process. For the test, 5-10 g of powder were placed on a sieve with a mesh size of 63 ⁇ m and sieved on the sieve tower (10 min, 2.5 mm amplitude).
- the cellulose content in the primary particles is determined as follows:
- particles are particularly preferred which are characterized in that the primary particles contained have a maximum solubility in water at pH 7.0, 20 ° C, 1 bar, from 0 g / L to 0.5 g / L, preferably from 0 g / L to 0.2 g / L, particularly preferably from 0 g / L to 0.08 g / L.
- Particles preferred according to the invention are characterized in that they have a bulk density of 100-300 g / L, preferably 120-270 g / L, particularly preferably 140-240 g / L.
- the bulk density is determined in accordance with DIN 53468.
- Particles preferred according to the invention are characterized in that they have an oil absorption capacity of 1.3 g to 1.6 g limonene per g dry particle.
- the oil / water absorption capacity is determined as described in the examples.
- the primary particles contained in the particles according to the invention preferably contain native cellulose obtained from plant fibers having a degree of crystallinity of 40 to 90%, preferably 50 to 85%, particularly preferably 60 to 80%.
- the following “peak height” method is used for the quantitative determination of the crystallinity of cellulose samples, described for example at. N. Terinte, R. Ibbett and K. C.
- X-ray diffraction recordings are made in the range of 5 ° -45 ° (2 Q) in reflection.
- the air scattering curve is determined by means of the pure crystalline standard NIST640c, and this is used as the background for the X-ray diffraction diagrams of the test samples. This background is subtracted from the test sample.
- the degree of crystallinity CI is calculated as the ratio of the peak height of the crystalline signal I (002) at 22 ° (2 Q) after subtracting the non-crystalline contribution I (ni cht- crystalline Min) (the signal at 18 ° (2 Q) and the height of the crystalline peak l (002) at 22 °
- the primary particles contained in the particles according to the invention preferably contain native cellulose obtained from plant fibers having an average degree of polymerization of 1 to 50,000, preferably 50 to 20,000, particularly preferably 200 to 3,000.
- the average degree of polymerization is determined as follows by measuring the relative viscosity of the cellulose dissolved in a Cuene (copper (II) ethylenediamine) solution.
- the mean value of two results that do not differ by more than 1% from one another must be determined. Repeat the process without cellulose to determine the blank value. The capillary 1 is used for this.
- the mean value t2 obtained is the flow time of the pure Cuen solution.
- PG (9500 * r
- Particles preferred according to the invention are characterized in that the native cellulose obtained from plant fibers contained in the primary particles has a content of type I cellulose in the crystalline fraction greater than 95% by weight, particularly preferably greater than 99% by weight, based on the total crystallinity .
- cellulose The different types of cellulose are described, for example, in Park et al. Biotechnology for Biofuels 2010, 3:10.
- the cellulose type was determined on the basis of a comparison of the X-ray diffraction diagrams with the reference diagrams available in the ICSD database (Inorganic Crystal Structure Database). This comparison was carried out on the basis of the peak conditions and intensity ratios with the help of the software search function of HighScore Plus (manufacturer: PANalytical) in version: 3.0c.
- Particles preferred according to the invention are characterized in that they are spray-dried particles and have an average particle size of 120 mhi to 180 mhi and the primary particles contained have an average particle size of 3 mhi to 15 mhi.
- Particles preferred according to the invention are characterized in that they contain the solid primary particles containing native cellulose obtained from plant fibers in an amount of 60% by weight to 95% by weight, preferably 70% by weight to 90% by weight, particularly preferred 75 wt% to 85 wt%.
- Particles preferred according to the invention are characterized in that the binder is selected from the group comprising, preferably consisting of, guar, alginic acid, alginate, dextrin, carbomer, maltodextrin, methyl cellulose, ethyl cellulose, gum arabic, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropylmethyl cellulose, hydroxyethylmethyl cellulose, carboxymethyl cellulose Cottonseed oil, povidone, ceratonia, dextrose, polydextrose, starch, gelatin, pre-gelled starch, hydrogenated vegetable oil, maltodextrin, microcrystalline cellulose, polyethylene oxide, polymethacrylates, cellulose fibers, preferably gum arabic (1-10%) carboxymethyl cellulose (8-10%) methyl cellulose (1 -30%), cellulose fibers (5-15%), ethyl cellulose (1-10%) and hydroxypropylmethyl cellulose (1-10%).
- the values in brackets indicate preferred weight ranges
- binders can be waxes, proteins or clay.
- the particles do not contain any epoxy resin.
- Particles preferred according to the invention are characterized in that they contain the binder in an amount of 1% by weight to 30% by weight, preferably 2% by weight to 20% by weight, particularly preferably 5% by weight to 10% by weight .-%, contain.
- Another object of the present invention is a process for the production of solid particles with an average particle size of 15 mhi to 2000 mhi, preferably from 50 mhi to 200 mhi, particularly preferably from 120 mhi to 180 mhi, comprising the process steps
- the process according to the invention for producing solid particles with an average particle size of 15 mhi to 250 mhi, preferably from 50 mhi to 200 mhi, particularly preferably from 120 mhi to 180 mhi, is preferably characterized in that in process step B) with liquid and preferably is mixed with a binder and the agglomeration is carried out in process step C) by spray drying.
- the binder is present in dissolved form in the liquid.
- the primary particles are preferably dispersed in a liquid, in particular with the help of an intensive rotor-stator machine (e.g. IKA Ultra-Turrax).
- Process step B) is preferably carried out in a stirred vessel, in particular with homogenization of the liquid, optionally the binder and the primary particles.
- the solids concentration, based on the liquid, optionally the binder and the primary particles is preferably 5% by weight to 30% by weight, preferably 10% by weight to 30% by weight, particularly preferably 15% by weight to 20% Wt%.
- Process step C) is preferably carried out in a spray drying tower in which the liquid, optionally the binder and the primary particles are atomized, preferably using a two-fluid nozzle, pressure nozzle or a centrifugal atomizer.
- the spray drying can be carried out with a drying gas, in particular nitrogen, in cocurrent or in countercurrent.
- the drying gas is preferably separated from the solid particles with the aid of a cyclone.
- the process according to the invention for producing solid particles with an average particle size of 200 mhi to 450 mhi is preferably characterized in that the agglomeration in process step C) takes place by granulation.
- the method according to the invention is preferably characterized in that, in method step B), the binder, dissolved in the liquid, is added dropwise to the primary particles or supplied via a nozzle.
- this method is preferably characterized in that it includes the method step
- the solid particles are fractionated in size to give an average particle size of 200 mhi to 450 mhi, in particular by sieving.
- Compacting The process according to the invention for producing solid particles with an average particle size of 200 mhi to 450 mhi is preferably characterized in that the agglomeration in process step C) takes place by compacting.
- the compacting in method step C) is carried out with a roller compactor and the method according to the invention preferably includes the method step
- the primary particles and, if appropriate, the binder are preferably fed to the roller compactor with a plug screw. In this context, it is preferred according to the invention that no binder is used.
- the roller compactor is preferably a Bepex L200 / 50 G + K (Hutt 2).
- the present invention also provides the particles obtainable by the process according to the invention.
- Yet another subject matter of the present invention is the use of a particle according to the invention for absorption, preferably with subsequent desorption in an aqueous environment, at least one substance selected from the group of aromatic substances, cosmetic and pharmaceutical active substances.
- Figure 1 Spray-dried particles containing solid primary particles with an average particle size of 9 ⁇ m (according to the invention)
- Figure 2 Spray-dried particles containing solid primary particles with an average particle size of 2 ⁇ m (not according to the invention)
- Example 1 Oil Absorption and Flowability
- spray-dried particles were produced as follows: Spray-drying:
- the suspension of the cellulose primary particles in water (5-25% by weight of cellulose) was produced with the aid of a disperser and, if necessary, mixed with a binder solution for 30 minutes using an overhead stirrer.
- a binder methyl cellulose (MC) or gum arabic (GA)
- MC methyl cellulose
- GA gum arabic
- Tego®Feel Green as well as Diacel 10 and Diacel 90 were used; Finely ground Tego®Feel Green served below the area according to the invention, and Tego® C10 as primary particles above the claimed area.
- methyl cellulose was added as an additional binder.
- gum arabic was added as an additional binder.
- Loading the carrier material Then load the dried samples with 3g of oil (lime) and mix well with a spatula. If possible, make sure that not too much of the mixture sticks to the spatula. Close the screw cap with the lid and let it sit for approx.
- Centrifugation Fold 5 round filters (05.5 cm) into a funnel shape and insert them into a 50 ml Falcon tube. Weigh 3 g of the cellulose-oil mixture into the Falcon Tube and make sure that the mixture cannot run past the filter or stick to the walls of the Falcon Tube Centrifuge the filled Falcon Tube (Hettich centrifuge Rotina 380R - radius rotor:
- the angle of repose was measured according to ISO 4324.
- the flowability of the carrier materials was determined using a series of glass funnels with different outlet openings.
- the funnels are fixed above a collecting vessel with the aid of a holder.
- a playing card is clamped between the funnel and the vessel.
- the funnel is filled with the carrier material up to two cm below the upper edge of the funnel. The card is then removed and the leakage of the powder assessed according to the following scale.
- Table 1 Cellulose primary particle properties. not determined; "/" Measurement not possible he primary particles 1-5 (Tab. 1) consist of at least 95% by weight of native cellulose obtained from plant fibers.
- binders such as methyl cellulose or gum arabic increases the mechanical stability of the particles, characterized by the reduced formation of fines.
- Example 2 Absorption and desorption of active pharmaceutical ingredients.
- the active ingredient celecoxib was incorporated in a mixture of various components which, and Da-tocopherol polyethylene glycol succinate 1000 consists of Miglyol ® 812, Tween ® 80, Gelucire ® 44/14 (d-TPGS).
- the cellulose, MCC and silica preparations were loaded with the latter oily formulation, which contains celecoxib.
- Products 1, 2, 3 and 4 (table 3) were prepared according to spray drying method a), and products 9 and 10 (table 3) were prepared according to spray drying method c) of example 1.
- Product 5 (Table 3) was created with the method according to the invention by method step C) granulation in an intensive mixer (Eirich type EL5 Eco). Tego® C10 cellulose fibers were placed in the mixing pot and the starch adhesive solution was fed through a nozzle. Then it is mixed for a certain time. The granules were dried overnight in a circulating air oven at 100 ° C. and finally classified on sieves. The target fraction was initially set at 200-410 pm.
- the particles according to the invention achieve very high loading rates, and that these very high loading rates also lead to a faster release of active pharmaceutical ingredients than is the case for conventional particles (g formulation per g carrier released after 5min). Compared to silicon oxide-based absorbents (see Table 3), the particles according to the invention also release the active ingredient more rapidly and to a greater extent.
- the particles according to the invention have better flowability than conventional microcrystalline cellulose (Avicel PH-101), show a flowability comparable to the silicon dioxide-based absorbents and are also suitable for the production of tablets and for filling capsule goods.
- Example 3 Tableting
- the particles according to the invention were further processed into tablets alone and in combination with other components.
- the EP-1 tablet press eccentric press
- ERWEKA GmbH Heusenstamm, Germany
- TBH 125 the tablet breaking strength tester TBH 125 was also used by ERWEKA GmbH (Heusenstamm, Germany).
- 2 tablets (n 2) were analyzed for each different composition.
- a tablet formulation was created from the following components: lactose monohydrate (46.2%), talc (3.00%), silicon dioxide (highly dispersed) (0.5%), various types of particles (30.0%) %), Corn starch (5.0%), magnesium stearate (0.3%) and celecoxib (15.0%).
- the particles according to the invention can be further processed into tablets with the aid of the eccentric press mentioned.
- tablets with a thickness in the range of approx. 4.3-5.0 mm and a diameter of approx. 10.0-10.1 mm were produced.
- the breaking strength of the tablets obtained is in the range of approx. 40-50 N.
- the tablets based on the particles according to the invention are also suitable for further processing (e.g. coating) due to the correspondingly determined breaking strength.
- the breaking strength of the products according to the invention is comparable to that of the MCC products.
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- Polymers & Plastics (AREA)
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- Mycology (AREA)
- Food Science & Technology (AREA)
- Medicinal Preparation (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19208352.5A EP3818974A1 (de) | 2019-11-11 | 2019-11-11 | Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer cellulose |
| PCT/EP2020/081125 WO2021094192A1 (de) | 2019-11-11 | 2020-11-05 | Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer cellulose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4057988A1 true EP4057988A1 (de) | 2022-09-21 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19208352.5A Withdrawn EP3818974A1 (de) | 2019-11-11 | 2019-11-11 | Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer cellulose |
| EP20799745.3A Withdrawn EP4057988A1 (de) | 2019-11-11 | 2020-11-05 | Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer cellulose |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19208352.5A Withdrawn EP3818974A1 (de) | 2019-11-11 | 2019-11-11 | Feste partikel enthaltend feste primärpartikel aus im wesentlichen nativer cellulose |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20220395461A1 (de) |
| EP (2) | EP3818974A1 (de) |
| JP (1) | JP2023500963A (de) |
| KR (1) | KR20220100906A (de) |
| CN (1) | CN114760985A (de) |
| BR (1) | BR112022008953A2 (de) |
| CA (1) | CA3157557A1 (de) |
| IL (1) | IL292820A (de) |
| MX (1) | MX2022005410A (de) |
| WO (1) | WO2021094192A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240090118A (ko) * | 2022-12-13 | 2024-06-21 | 주식회사 매스컨 | 액체 성분을 포함하는 고체 입자, 이를 포함하는 클러스터 및 고체 화장품 및 이의 제조 방법 |
| DE102024002836A1 (de) * | 2024-09-03 | 2026-03-05 | J. Rettenmaier & Söhne Gmbh + Co Kg | Granulat, Verfahren zur Herstellung des Granulats und Futtermischung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD137186A1 (de) | 1978-06-30 | 1979-08-22 | Guenther Magister | Verfahren zur herstellung von rieselfaehigen produkten aus zellulosepulver |
| US5283123A (en) * | 1989-05-03 | 1994-02-01 | Carter Deborah H | Adsorption material and method |
| US20100055180A1 (en) * | 2007-10-10 | 2010-03-04 | Mallinckrodt Baker, Inc. | Directly Compressible Granular Microcrystalline Cellulose Based Excipient, Manufacturing Process and Use Thereof |
| JP2018052909A (ja) * | 2016-05-16 | 2018-04-05 | 日本製紙株式会社 | 化粧用組成物 |
-
2019
- 2019-11-11 EP EP19208352.5A patent/EP3818974A1/de not_active Withdrawn
-
2020
- 2020-11-05 JP JP2022526753A patent/JP2023500963A/ja active Pending
- 2020-11-05 MX MX2022005410A patent/MX2022005410A/es unknown
- 2020-11-05 WO PCT/EP2020/081125 patent/WO2021094192A1/de not_active Ceased
- 2020-11-05 CN CN202080078484.5A patent/CN114760985A/zh not_active Withdrawn
- 2020-11-05 US US17/775,140 patent/US20220395461A1/en not_active Abandoned
- 2020-11-05 EP EP20799745.3A patent/EP4057988A1/de not_active Withdrawn
- 2020-11-05 CA CA3157557A patent/CA3157557A1/en active Pending
- 2020-11-05 IL IL292820A patent/IL292820A/en unknown
- 2020-11-05 BR BR112022008953A patent/BR112022008953A2/pt not_active Application Discontinuation
- 2020-11-05 KR KR1020227019278A patent/KR20220100906A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US20220395461A1 (en) | 2022-12-15 |
| WO2021094192A1 (de) | 2021-05-20 |
| KR20220100906A (ko) | 2022-07-18 |
| JP2023500963A (ja) | 2023-01-11 |
| IL292820A (en) | 2022-07-01 |
| CA3157557A1 (en) | 2021-05-20 |
| EP3818974A1 (de) | 2021-05-12 |
| BR112022008953A2 (pt) | 2022-08-02 |
| CN114760985A (zh) | 2022-07-15 |
| MX2022005410A (es) | 2022-05-26 |
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