EP3624853A1 - Freisetzung von wirkstoffen unter verwendung siliconhaltiger polymere - Google Patents
Freisetzung von wirkstoffen unter verwendung siliconhaltiger polymereInfo
- Publication number
- EP3624853A1 EP3624853A1 EP17724792.1A EP17724792A EP3624853A1 EP 3624853 A1 EP3624853 A1 EP 3624853A1 EP 17724792 A EP17724792 A EP 17724792A EP 3624853 A1 EP3624853 A1 EP 3624853A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- active substance
- silicone
- general formula
- hydrogen
- groups
- 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- Withdrawn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
- 229920000642 polymer Polymers 0.000 title claims abstract description 40
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 33
- 239000013543 active substance Substances 0.000 title claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 28
- -1 siloxane unit Chemical group 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004480 active ingredient Substances 0.000 claims description 39
- 239000001257 hydrogen Substances 0.000 claims description 29
- 229910052739 hydrogen Inorganic materials 0.000 claims description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 22
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 229920006395 saturated elastomer Polymers 0.000 claims description 14
- 125000004122 cyclic group Chemical group 0.000 claims description 13
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 125000004417 unsaturated alkyl group Chemical group 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 125000005702 oxyalkylene group Chemical group 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 125000003275 alpha amino acid group Chemical group 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 150000002431 hydrogen Chemical group 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000011734 sodium Chemical group 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Chemical group 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000003961 organosilicon compounds Chemical class 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 241000272517 Anseriformes Species 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Chemical group 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 238000006467 substitution reaction Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013270 controlled release Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 description 10
- 150000001413 amino acids Chemical class 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000003814 drug Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 229960003512 nicotinic acid Drugs 0.000 description 5
- 235000001968 nicotinic acid Nutrition 0.000 description 5
- 239000011664 nicotinic acid Substances 0.000 description 5
- 229920005573 silicon-containing polymer Polymers 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004472 Lysine Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical group [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-UHFFFAOYSA-N 0.000 description 1
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 125000000539 amino acid group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 239000005515 coenzyme Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 231100000673 dose–response relationship Toxicity 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000010534 nucleophilic substitution reaction Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003016 pheromone Substances 0.000 description 1
- 229930195732 phytohormone Natural products 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229940047670 sodium acrylate Drugs 0.000 description 1
- 229940080313 sodium starch Drugs 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N urethane group Chemical group NC(=O)OCC JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- 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
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
-
- 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
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7007—Drug-containing films, membranes or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
Definitions
- the invention relates to an active substance (W) for use in a process for the release of active substance (W), in which a shaped body (F) comprising a composition (Z) which comprises silicone-containing polymer (P) and active substance (W) .
- composition (Z) is added with water, whereby the composition (Z)
- Active ingredient (W) releases the shaped body (F) and a process for producing the shaped bodies (F).
- Active ingredients are used in various fields, in particular in medicine and pharmacy, in cosmetics, in agriculture or in biotechnology.
- polymeric materials from which the active ingredient may be set free ⁇ are used iA polymeric materials from which the active ingredient may be set free ⁇ . It is often desirable here that the controlled release of the active ingredients by contact with moist or aqueous media takes place, for example for agricultural applications in soils, in pharmacy and medicine in the body by contact with body fluid or on the skin surface by sweat.
- the release of the active ingredient is based on a permeability of the polymer to water in a moist or aqueous environment (for a review, see R. Po, J. Macromolec Sc, C, Rev. Macromol, Chem. Phys., C34, p. 650, 1994).
- Examples of polymers used are carboxymethylcellulose or copolymers of sodium acrylate and starch.
- a disadvantage of these polymer materials, however, is that they gradually dissolve during the swelling process. It would therefore be desirable to have a largely water-insoluble material which does not have the disadvantages mentioned.
- Silicone-based polymers have hitherto been used singly as matrices for drugs. Advantages of silicone-containing polymers are their high biocompatibility, their chemical properties
- Silicone-containing polymers also have the advantage that they have only low brittleness and optionally plastically deformable, which is particularly advantageous for applications on the skin. In these applications, an increased gas permeability may be desirable, for which silicone-containing polymers
- Materials are particularly suitable because of their high gas permeability.
- 2013/0172419 was also shown that a drug release from pure silicone materials is not carried out to any significant extent.
- the invention relates to an active substance (W) for use in a process for the release of active ingredient (W), in which a shaped body (F) containing a composition (Z), which silicone-containing polymer (P) and active ingredient (W) includes, is added with water, whereby the composition releases (Z) active ingredient (W),
- silicone-containing polymer (P) at least one siloxane unit of the general formula I and no or at least one unit of the general formula II
- R 1 and R 2 are independently hydrogen or a straight, branched or cyclic saturated or unsaturated ⁇ saturated alkyl group having 1 to 20 carbon atoms or aryl group or aralkyl group, wherein individual non-adjacent Me ⁇ thylenechen by groups -0-, -CO-, -COO-, -OCO- or -OCOO-, -S- or NR X or may be replaced by an oxyalkylene group of the general formula (-O-CH 2 -CHR 3 -) d,
- R 3 is hydrogen or alkyl
- R X is hydrogen or an unsubstituted or ducks with substitution selected from -CN and halogen substi ⁇ -substituted C 1 -C 1 0 - hydrocarbon radical,
- X is a radical of the general formula which carries at least one amino acid unit and is bonded via a carbon atom to the silicon atom
- M is hydrogen, metal or an ammonium radical NR 10 4 + ,
- R 10 is independently hydrogen or C 1 -C 1 2 alkyl, aryl or aralkyl
- R 4 is hydrogen or a linear, branched or cyclic saturated or unsaturated alkyl group having 1 to 20 C atoms or aryl group or aralkyl group, where individual non-adjacent methylene units are represented by groups -O-, -CO-, -COO-, -OCO- or - OCOO-, -S- or NR X or may be replaced by an oxyalkylene group of the general formula (-O-CH 2 -CHR 3 -) d,
- R 5 and R 6 are independently hydrogen or linear
- Y is a linear, branched, cyclic, saturated or mono- or polyunsaturated C 1 to C 100 alkylene radical connected via a carbon atom to the organosilicon compound, in which individual carbon atoms may be replaced by oxygen, nitrogen or sulfur atoms,
- a 0, 1, 2 or 3
- c 1, 2 or 3
- e have integer values 0 to 50.
- the subject of the invention is also a shaped body (F),
- composition (Z) comprising the silicone-containing polymer (P) and the active ingredient (W).
- silicone-containing polymers (P) are silicone-containing polymers (P)
- the silicone-containing polymer (P) is preferably solid at 20 ° C and 1 bar.
- the silicone-containing polymer (P) is solid in the range of -10 ° C to 50 ° C and 1 bar.
- amino acid moieties -Y-NR 4 - (CH 2 ) e -CR 5 R 6 -COOM can exist in different protonation states.
- Carboxylic acid groups may be present as a free carboxylic acid or as a carboxylate salt or as mixtures of these.
- the amino moiety may be present both as a free amino group or in protonated form as an ammonium moiety or as a mixture thereof.
- R 1 and R 2 independently of one another preferably denote hydrogen or an unbranched, branched or cyclic saturated or unsaturated alkyl group having 1 to 6 C atoms or a benzyl or phenyl group, where non-adjacent methylene units may be replaced by nitrogen atoms or oxygen atoms, or may be replaced by an oxyalkylene group of the general formula (-O-CH 2 -CHR 3 -) d .
- R 3 is hydrogen or methyl, in particular
- R x is preferably hydrogen or an unsubstituted C 1 -C 6 -hydrocarbon radical.
- M is preferably hydrogen, alkali metal or
- Alkaline earth metal particularly preferably alkali metal, particularly particularly preferably sodium or potassium, or a
- R 10 is hydrogen or C 1 -C 4 alkyl.
- R 4 is preferably hydrogen or a linear, branched or cyclic saturated or unsaturated alkyl group having 1 to 10 carbon atoms or a benzyl or phenyl group, wherein non-adjacent methylene units may be replaced by nitrogen atoms or oxygen atoms, or by a
- Formula -0- (CH 2 -CHR 3 -) d may be substituted, especially methyl.
- the radicals R 3 mean hydrogen or
- Methyl especially methyl.
- R 5 is hydrogen and R 6 is hydrogen or a linear, branched or cyclic saturated or unsaturated alkyl group having 1 to 10 C atoms or aryl group or
- Aralkyl group wherein individual non-adjacent methylene units can be replaced by groups -0-, -CO-, -COO-, -OCO- or -OCOO-, -S- or NR X.
- R 5 is hydrogen and R 6 is hydrogen or
- radicals are preferably linked via an alkylene radical, in particular with 1 to 6 carbon atoms.
- Y is preferably a linear or branched, saturated C 1 to C 20 alkylene radical in which individual carbon atoms can be replaced by oxygen, nitrogen or sulfur atoms.
- Y is particularly preferably a grouping
- Z is preferably a bonded via a carbon atom of the organosilicon compound with the linear, branched, cyclic, saturated or mono- or polyunsaturated C to C alkylene group 100, may be at the individual coals ⁇ atoms replaced by oxygen atoms.
- Z is particularly preferably an oxyalkylene radical of the general formula
- radicals R 11 independently of one another are hydrogen or alkyl, in particular methyl
- f has a value of 0 to 100, preferably 0 to 50 and particularly preferably 0.
- the radicals R 7, R 8 and R 9 are independently hydrogen or a linear Ci to Ce alkyl group, particularly preferably hydrogen or linear Ci to C3 alkyl group.
- the radicals R and R can also be via alkylene radicals or oxygen be connected with each other and with the grouping Z.
- d and f are each independently of one another preferably 0 to 50, particularly preferably 0 to 10, particularly preferably 0 to 5 and very particularly preferably the values 0 to 3.
- e is preferably 0 to 10, particularly preferably 0 to 5 and very particularly preferably 0 to 3.
- silicone polymers (P) can be prepared in a manner known to those skilled in the art. For example, the following reactions can be used for the attachment of the amino acids to the silicone:
- Amino group may be bound to two silicone radicals. Contains one amino acid more than one basic nitrogen-containing one
- siloxane or the amino acid units to each other may be different.
- the silicone-containing polymers (P) used to release active ingredients (W) may contain other polymers. These may form homogeneous or inhomogeneous mixtures, they may be covalently linked to the polymer (P) or via H-bonds or they may be unbonded.
- the silicone-containing polymers (P) contain these other polymers preferably in
- the silicone-containing polymer (P) may comprise blocks of siloxane units of the general formula I and none or at least one unit of the general formula II and organic blocks which interrupt the blocks of siloxane units.
- the organic blocks may be connected to the blocks of siloxane units, for example via urea groups, urethane groups or ester groups.
- the proportion of organic blocks is preferably at least 2 and at most 300 parts by weight, more preferably at most 30 parts by weight, in particular at most 10 parts by weight per 100 parts by weight of siloxane units of the general formulas I and I I.
- the polymers (P) used for controlled release of active substances (W) may be crosslinked or uncrosslinked.
- composition (Z) may contain other substances which are present either as solids or dissolved.
- fillers such as finely divided silica, silicates, zeolites or carbon ⁇ based fillers, such as carbon black are used.
- the composition (Z) may also contain liquids or liquid mixtures as additives. These components can accelerate or reduce the release of the active ingredient (W).
- the proportion of liquid additives is preferably at least 0.01 and not more than 1000 parts by weight, more preferably at least 0.1 and not more than 100 parts by weight, especially at least 1 and at most 10 weight parts per 100 weight parts ⁇ siloxane units of the general formulas I and II.
- Preferred liquid additives are water, organic liquid ⁇ speeds or mixtures thereof, for example, other siloxanes, esters, mono- or polyhydric alcohols, ethers, hydrocarbons.
- composition (Z) for example, by contacting the composition (Z) with wet materials and surfaces or aqueous
- composition (Z) and water-containing medium further layers may be present in the shaped body (F), which allow the transport of water in either liquid or gaseous form.
- the transport of water in liquid or gaseous form through these layers can be via pores or via channels.
- Shaped bodies (F) can be granules, sticks,
- Leaflets, films, cavities containing materials e.g.
- active ingredients (W) are preferably substances which have an effect on biological systems.
- drugs active pharmaceutical ingredients
- drugs active pharmaceutical ingredients
- Hormones vitamins, trace elements, pesticides, and others.
- Pheromones phytohormones, fragrances, enzymes, coenzymes or antibodies, chelating agents, metals or metal ions,
- Light absorbers antioxidants and pigments.
- the production of the shaped bodies (F) can be carried out, for example, by adding a solution of the polymer (P) with the active ingredient (W) in the desired amount and preferably evaporating the resulting mixture subsequently. This results in the composition (Z).
- Another possibility is to contact shaped bodies (F) containing the polymer (P) with liquid, for example water, or with a water-containing mixture which contains the active ingredient (W).
- liquid for example water
- W active ingredient
- the active ingredient (W) can diffuse from the liquid into the polymer (P) in this way. This also produces the composition (Z).
- the solid composition (Z) may after evaporation or contact with liquid
- the solution of the polymer (P) with the active ingredient (W) can also be placed in molds and evaporated.
- the release of active ingredient (W) is preferably carried out in
- the release of active ingredient (W) is preferably carried out at
- the release of active ingredient (W) is preferably carried out at a pressure of at least 0.1 mbar to at most 50 bar, more preferably at least 100 mbar to at most 20 bar, particularly preferably at least 0.9 bar to 10 bar.
- the release of active ingredient (W) can also be controlled by the pH or the change in the pH or electrically by changing the potential.
- a terminal glycidoxypropyl-functionalized silicone polymer having a molecular weight of about 900 are dissolved in 75 ml of methanol and added at reflux temperature to a solution of 10 g of lysine in 260 g of methanol. The mixture is refluxed for 9 hours, filtered and the clear polymer solution is concentrated to a solids content of about 40 ⁇ 6.
- Example 2 introduction of the active ingredient (W) into the polymer matrix
- W active ingredient
- Example 2 introduction of the active ingredient (W) into the polymer matrix
- 352 mg of nicotinic acid are dissolved.
- the drug-containing polymer solution is poured into a Teflon mold.
- a clear nicotinic acid-containing polymer film receive .
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silicon Polymers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2017/061696 WO2018210406A1 (de) | 2017-05-16 | 2017-05-16 | Freisetzung von wirkstoffen unter verwendung siliconhaltiger polymere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3624853A1 true EP3624853A1 (de) | 2020-03-25 |
Family
ID=58745215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17724792.1A Withdrawn EP3624853A1 (de) | 2017-05-16 | 2017-05-16 | Freisetzung von wirkstoffen unter verwendung siliconhaltiger polymere |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20230099877A1 (de) |
| EP (1) | EP3624853A1 (de) |
| KR (1) | KR20190132542A (de) |
| CN (1) | CN110636864A (de) |
| WO (1) | WO2018210406A1 (de) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5272241A (en) * | 1992-08-21 | 1993-12-21 | General Electric Company | Amino acid functionalized silicones and method for preparation |
| US8772422B2 (en) | 2012-01-04 | 2014-07-08 | Momentive Performance Materials Inc. | Polymer composites of silicone ionomers |
| DE102013214081A1 (de) * | 2013-07-18 | 2015-01-22 | Evonik Industries Ag | Neue aminosäuremodifizierte Siloxane, Verfahren zu ihrer Herstellung und Anwendung |
| DE102015210173A1 (de) * | 2015-06-02 | 2016-12-08 | Wacker Chemie Ag | Verfahren zur Herstellung von Aminosäure-Gruppierungen aufweisenden Organosiliciumverbindungen |
-
2017
- 2017-05-16 EP EP17724792.1A patent/EP3624853A1/de not_active Withdrawn
- 2017-05-16 KR KR1020197033589A patent/KR20190132542A/ko not_active Withdrawn
- 2017-05-16 CN CN201780090847.5A patent/CN110636864A/zh not_active Withdrawn
- 2017-05-16 US US16/613,883 patent/US20230099877A1/en not_active Abandoned
- 2017-05-16 WO PCT/EP2017/061696 patent/WO2018210406A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20230099877A1 (en) | 2023-03-30 |
| KR20190132542A (ko) | 2019-11-27 |
| WO2018210406A1 (de) | 2018-11-22 |
| CN110636864A (zh) | 2019-12-31 |
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