WO2008066185A1 - Procédé destiné à prévenir la décoloration provoquée par le temps d'une préparation d'adhésif cutané contenant du donépézil - Google Patents
Procédé destiné à prévenir la décoloration provoquée par le temps d'une préparation d'adhésif cutané contenant du donépézil Download PDFInfo
- Publication number
- WO2008066185A1 WO2008066185A1 PCT/JP2007/073254 JP2007073254W WO2008066185A1 WO 2008066185 A1 WO2008066185 A1 WO 2008066185A1 JP 2007073254 W JP2007073254 W JP 2007073254W WO 2008066185 A1 WO2008066185 A1 WO 2008066185A1
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- WIPO (PCT)
- Prior art keywords
- acid
- metal salt
- donepezil
- butyl
- group
- Prior art date
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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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/22—Heterocyclic compounds, e.g. ascorbic acid, tocopherol or pyrrolidones
-
- 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
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/445—Non condensed piperidines, e.g. piperocaine
-
- 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
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/365—Lactones
- A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/04—Sulfur, selenium or tellurium; Compounds thereof
-
- 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
- A61K47/02—Inorganic 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
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
-
- 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
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
- A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
- A61K9/7061—Polyacrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
Definitions
- the present invention relates to a method for suppressing discoloration over time of a donepezil-containing patch preparation.
- Donepezil a basic drug, has an acetylcholinesterase inhibitory action and is used as an anti-Alzheimer-type dementia drug! Many patients with Alzheimer-type dementia have difficulty in swallowing oral preparations for elderly people with many elderly people. Also, patients with advanced Alzheimer type 1 dementia may have difficulty taking oral medications. In these cases, parenteral administration of donepezil such as transdermal is useful.
- Patent Document 1 JP-A-11-315016
- Patent Document 2 Non-fret
- Patent Document 3 Non-fret pamphlet
- Patent Document 3 includes general antioxidants used in oral preparations such as tocopherol and their ester derivatives, ascorbic acid, ascorbic acid stearate, nordihydroguaya.
- retinoic acid dibutylhydroxytoluene (BHT), butylhydroxylazole and the like can be used.
- BHT dibutylhydroxytoluene
- Patent Document 4 discloses a composition for oral administration containing donepezil, in which sodium bisulfite, sodium sulfite, sodium pyrosulfite (metabisulfite). Sodium), cysteine, citrate, sodium edetate (disodium ethylenediamine tetraacetate), ascorbic acid and erythorbic acid (isoascorbic acid) are described as being able to suppress the increase in related substances. I'll do it.
- Patent Document 4 proposes oral preparations such as liquids and syrups, and does not teach the application of antioxidants to adhesive preparations. It has been fully validated for its effectiveness!
- Patent Document 5 Japanese Patent No. 3124069 (Patent Document 5) is disclosed in JP-A-11 047233 (Patent Document 6), Special Table 2006-523637 (Patent Document 7), Special Table 2003-530422 (Patent Document 6) Patent Document 8) discloses a technique for suppressing discoloration during long-term storage in a patch preparation.
- Patent Document 6 Japanese Patent No. 3124069
- Patent Document 7 Special Table 2006-523637
- Patent Document 7 Special Table 2003-530422
- Patent Document 1 Japanese Patent Laid-Open No. 11 315016
- Patent Document 2 WO2003 / 032960 Nonfret
- Patent Document 3 WO2006 / 082728 Nonfret
- Patent Document 4 Japanese Unexamined Patent Publication No. 2000-136134
- Patent Document 5 Patent No. 3124069
- Patent Document 6 Japanese Patent Laid-Open No. 11 047233
- Patent Document 7 Special Table 2006—No. 523637
- Patent Document 8 Special Table 2003-530422
- an object of the present invention is to suppress discoloration over time in a donepezil-containing patch preparation.
- the present invention is as follows.
- a method for suppressing discoloration with time of a patch preparation comprising a support and an adhesive layer, the adhesive layer containing an adhesive and donepezil,
- the stabilizer is ascorbic acid or a metal salt or ester thereof, isoascorbic acid or a metal salt thereof, ethylenediamine tetraacetic acid or a metal salt thereof, 2-mercaptobenzimidazole, 3 (2) -t-butyl-4-hydroxyanisole 2, 6G t-Butyl-4 methylphenol, tetrakis [3— (3 ', 5, -di-tert-butyl-4'-hydroxyphenenole) propionic acid] pentaerythritol, (soil) ⁇ tocopherol, acetic acid (soil) ⁇
- a method which is at least one selected from the group consisting of tocopherol, rutin, hypophosphorous acid, metal metabisulfite, and metal salt of hydroxymethanesulfinic acid.
- (b-1) A combination of isoscorbic acid or a metal salt thereof and at least one selected from the group consisting of a metal salt of hydroxymethanesulfinic acid and 2-mercaptobenzimidazole
- the stabilizer in (3) above is a group consisting of (b-2), (c 2) and (d-2) below.
- a preparation containing the pressure-sensitive adhesive, the donepezil, and the stabilizer is prepared.
- the method according to any one of (1) to (3) comprising: applying the preparation to the surface of the support to form the pressure-sensitive adhesive layer.
- the method of suppressing discoloration over time of the patch preparation of the present invention is a patch preparation comprising a support and an adhesive layer formed on at least one side of the support. And a pressure-sensitive adhesive and a specific stabilizer.
- donepezil refers to 2-[(1 benzyl 4-piperidinyl) methyl] -5,6-dimethoxyindan 1-on (free form) (( ⁇ ) -2-[( l-benzylpiperidin-4-yl) methyl] -5,6-dimethoxyindan-l-one) and its pharmaceutically acceptable salts and esters.
- stabilizer refers to discoloration over time (or hue, saturation and HYPERLIN) in the adhesive layer containing donepezil and in the preparation of the material used to form the adhesive layer.
- "http: ⁇ www.sophia_it.com ontent /% E6% 98% 8E% E5% BA% A6” This means a compound that has an action that can suppress (change in brightness and brightness).
- the degree of color change over time is expressed by the color value (L *, a *) in the CIE1976 (L * a * b *) color system (Elster 'Aster' Baster color system JIS Z 8729). *, B *).
- donepezil may be donepezil (free form), a pharmaceutically acceptable salt or ester thereof, but from the viewpoint of transdermal absorbability, It is preferable that the pressure-sensitive adhesive layer has a structure containing S donepezil (free body).
- the patch preparation of the present invention can be used as an anti-Alzheimer type dementia drug.
- Other uses include anti-cerebral vascular dementia and migraine prevention.
- the ratio of donepezil in the adhesive layer is the total of the adhesive layer.
- the stabilizer used in the present invention is a specific stabilizer, ascorbic acid or a metal salt or ester thereof (preferably a sodium salt or normitic acid ester), isoascorbic acid or a metal salt thereof.
- Ascorbic acid or a metal salt or ester thereof preferably a sodium salt or normitic acid ester
- isoascorbic acid or a metal salt thereof Preferably sodium salt), ethylenediamine tetraacetic acid or its metal salt (preferably calcium disodium salt, tetrasodium salt), 2-mercaptobenzimidazole, 3 (2) -t-butyl-4-hydroxyani Sole, 2, 6 Di-tert-butyl 4-methylphenol, tetrakis [3— (3 ', 5, -di-tert-butyl-4'-hydroxyphenenole) propionic acid] pentaerythritol, (soil) alpha tocopherol, acetic acid (soil ) - alpha
- examples of the metal salt include sodium salt, potassium salt, calcium salt, magnesium salt and the like.
- examples of the ester include normitic acid ester, stearic acid ester, and myristic acid ester.
- the method in order to suppress the discoloration of the patch preparation over time, includes the adhesive, the donepezil, and a stabilizer in the adhesive layer. Is preferably included in the production process of the patch preparation. After the effects of the present invention have been achieved, the stabilizer may be decomposed or lost during the manufacture of the patch preparation or during storage, but this case is also within the scope of the present invention.
- the above-mentioned stabilizers can be used alone or in combination of two or more.
- examples of preferred combinations include the following (a) to (e).
- ascorbic acid ascorbic acid or a metal salt or ester thereof (hereinafter collectively referred to as “ascorbic acid”), isoascorbic acid or a metal salt thereof, metabisulfite metal salt, 2 mercaptobenzimidazole, 2, 6 di-tert-butyl-4 methylphenol, at least 1 selected from the group consisting of hydroxymethanesulfinic acid metal salt and rutin Combination with seeds
- more preferred embodiments are the following (a- ;!) to (c 1).
- the effect of suppressing discoloration over time is exhibited synergistically as compared with the arithmetic average of each stabilizer used alone. It is at least one selected from the group consisting of (b-2), (c-2) and (d-2) below in that sufficient effects of the invention are achieved even in the initial stage after the manufacture of the patch preparation It is more preferable.
- (b-1) A combination of isoscorbic acid or a metal salt thereof and at least one selected from the group consisting of a metal salt of hydroxymethanesulfinic acid and 2-mercaptobenzimidazole
- the stabilizer needs to be contained in the adhesive layer of the patch preparation.
- the weight ratio of the stabilizer is not particularly limited as long as the physical properties of the pressure-sensitive adhesive layer are not adversely affected.
- a preferable example of the upper limit of the proportion of the stabilizer is based on the total weight of the pressure-sensitive adhesive layer. If the total amount exceeds 5% by weight, the physical properties such as the adhesive property of the pressure-sensitive adhesive layer may be reduced. If the amount is less than 0.005% by weight, a sufficient stabilizing effect may not be obtained. Therefore, preferred examples of the upper limit value are 5% by weight, 3% by weight, 2% by weight, 1% by weight, 0.7% by weight, 0.5% by weight and 0.3% by weight. Preferred examples are 0.005% by weight, 0.001% by weight, 0.01% by weight, 0.02% by weight, 0.03% by weight, 0.05% by weight, 0.1% by weight, 0.2 % By weight
- the total amount is preferably 0.0005 to 5% by weight, more preferably 0.00;! To 3% by weight, more preferably 0.00. preferably 01-1 wt%, still 0. 0;! ⁇ 0. 91 wt 0/0 Ca preferably, further 0. 0;! ⁇ 0.7 weight 0/0 Ca preferably, 0.5 to further 02-0. 7% by weight is preferred 0.02-0. 5% by weight is most preferred 0.03—0.3% by weight
- the weight ratio of the two is preferably 100: 1 to; 1: 100, preferably 10: 1 to; 1: 100, more preferably 1: 1 to 1: 100.
- the adhesive contained in the adhesive layer is not particularly limited.
- acrylic adhesive silicone rubber, polyisoprene rubber, polyisobutylene rubber, styrene butadiene rubber, styrene isoprene.
- Rubber adhesives such as styrene block copolymer rubber and styrene butadiene styrene block copolymer rubber; silicone adhesives; bur polymer adhesives such as polybulu alcohol, polybulu alkyl ether, polyacetate bur Etc.
- Rubber-based adhesives often do not have highly reactive functional groups, and the donepezil contained therein is relatively stable, and the possibility of coloring the patch is relatively low. . like this
- rubber-based adhesives include polyisobutylene, styrene 'gen' styrene block copolymers (eg, styrene 'butadiene' styrene block copolymer (SBS), styrene 'isoprene' styrene block copolymer (SIS), etc.), etc.
- SBS styrene 'butadiene' styrene block copolymer
- SIS styrene 'isoprene' styrene block copolymer
- the acrylic pressure-sensitive adhesive has a relatively high degree of freedom, such as control of the adhesive properties and drug solubility, depending on the type and ratio of the monomer to be copolymerized, but it is functional with reactivity with donepezil.
- the polymer chain has a group, and the monomer or polymerization initiator remaining in the pressure-sensitive adhesive may be reactive, which may cause the patch preparation to be colored. Therefore, the present invention is particularly advantageously carried out in a patch preparation using an acrylic adhesive.
- the acrylic pressure-sensitive adhesive in the present invention includes an acrylic pressure-sensitive adhesive containing a (meth) acrylic acid alkyl ester, preferably a (meth) acrylic acid alkyl ester as a main component (main structural unit). It is an acrylic adhesive.
- a copolymer obtained by further copolymerizing the above monomer (third monomer component) is particularly preferred from the viewpoints of cross-linking treatment, adhesion to human skin, drug dissolution operability, and the like.
- Examples of the above (meth) acrylic acid alkyl ester (first monomer component) include linear, branched or cyclic alkyl groups (for example, methyl, (Tinol, propinole, butinole, pentinole, hexinole, cyclohexenole, heptinole, octinole, 2-ethylhexyl, noel, decyl, undecyl, dodecyl, tridecyl, etc.)
- a linear, branched or cyclic alkyl group having 4 to 18 carbon atoms for example, butyl, pentyl, hexyl, cyclohexyl, heptyl, octinole, 2-ethylhexyl, noninole, (Meth) acrylic acid alkyl esters which are decinole, undecinole, dodecyl, tridecyl, etc.) are preferred.
- a monomer component that lowers the glass transition temperature of the polymer so that the alkyl group has 4 to 8 carbon atoms in a straight chain or branched chain.
- cyclic alkyl groups eg butyl, pentyl, hexyl, cyclohexyleno
- Heptyl octyl
- 2-ethylhexyl etc.
- 2-ethylhexyl cyclohexyl, particularly preferably 2-ethylhexyl
- acrylic acid alkyl ester is more preferred.
- butyl acrylate, 2-ethylhexyl acrylate, 2-ethylhexyl methacrylate, cyclohexyl acrylate, cyclohexyl methacrylate, and the like are preferred. Hexyl is most preferred.
- alkyl (meth) acrylates (first monomer component) can be used alone or in combination of two or more.
- examples of the functional group that can participate in the crosslinking reaction include a hydroxyl group, a carboxyl group, and a bull group.
- a carboxyl group is preferred.
- Specific examples of the monomer (second monomer component) include (meth) acrylic acid hydroxyethyl ester, (meth) acrylic acid hydroxypropyl ester, (meth) acrylic acid, itaconic acid, maleic acid, maleic anhydride, Examples include mesaconic acid, citraconic acid, and dartaconic acid.
- acrylic acid acrylic acid, acrylic acid, methacrylic acid, and hydroxyethyl acrylate ester (particularly 2-hydroxyethyl acrylate) are the most preferable from the viewpoint of availability.
- These monomers can be used alone or in combination of two or more.
- the other monomer is mainly used for adjusting the cohesive strength of the pressure-sensitive adhesive layer and adjusting the solubility and release properties of donepezil.
- the monomer (third monomer component) includes, for example, burestenoles such as butyl acetate and butyl propionate; vinino ethenoles such as methinolevinoleatenore and ethinolevinoleetenore; Buramides such as 2-pyrrolidone and N-bulur prolatatum; (meth) acrylic acid methoxyethyl ester, (meth) acrylic acid ethoxyethyl ester, (meth) atanolenic acid tetrahydrofurfuryl ester ) Acrylic acid alkoxy ester; Hydro group-containing monomer (not used as a crosslinking point because it is used as the third monomer component); (meth) acrylamide, dimethyl (meth) acrylamide, N-buty
- buresters which are preferred for buresters and buramides, are preferred for buramides, for which buracetes are preferred, but N-bul 2-pyrrolidone is preferred!
- These monomers can be used alone or in combination of two or more.
- the acrylic pressure-sensitive adhesive is a copolymer of (meth) acrylic acid alkyl ester (first monomer component) and a butyl monomer having a functional group capable of participating in a crosslinking reaction (second monomer component)
- the polymerization reaction may be carried out by a method known per se and is not particularly limited.
- a polymerization initiator for example, benzoyl peroxide, azobisisobutyronitrile, etc.
- a method of reacting at 50 70 ° C. for 548 hours in a solvent for example, ethyl acetate
- Particularly preferred acrylic pressure-sensitive adhesives in the present invention include, for example, a copolymer of 2-ethylhexyl acrylate / acrylic acid / N-butyl-2-pyrrolidone, 2-ethylhexyl acrylate / acrylic acrylate. Acid 2-hydroxyethyl ester / acetic acid butyl copolymer, acrylic acid 2-ethyl hexyl ester / acrylic acid copolymer, and the like, more preferably 2-ethyl hexyl acrylate / acrylic acid / N-vininole 2-pyrrolidone copolymer.
- the glass transition temperature of the acrylic pressure-sensitive adhesive in the present invention is usually preferably ⁇ 100 to 10 ° C. from the viewpoint of adhesiveness as an adhesive patch that varies depending on the copolymer composition. Preferably, it is 90 ° C.
- the patch preparation of the present invention from the viewpoint of imparting a soft feeling to the pressure-sensitive adhesive layer and reducing pain and skin irritation caused by skin adhesive force when the patch preparation is peeled from the skin.
- a liquid component can be contained in the adhesive layer.
- an organic liquid component is preferred.
- the patch preparation of the present invention containing an organic liquid component the patch preparation may be colored by chemical reaction with donepezil depending on the type of the organic liquid component. Therefore, the present invention is particularly advantageously carried out in a patch preparation containing an organic liquid component in that such a decrease in stability can be efficiently suppressed.
- the organic liquid component is not particularly limited as long as it is a liquid at room temperature, exhibits plasticizing action, and is compatible with the adhesive polymer constituting the above-mentioned adhesive. What improves the transdermal absorbability and storage stability of donepezil is preferable. It can also be added for the purpose of further increasing the solubility of donepezil in the adhesive.
- organic liquid components include fatty acid alkyl esters (for example, esters of low-grade monohydric alcohols having carbon numbers of!
- saturated or unsaturated fatty acids having 16 carbon atoms, etc. saturated or unsaturated fatty acids having 16 carbon atoms, etc.
- 8 to 10 saturated or unsaturated fatty acids for example, strong prillic acid (octanoic acid, C8), pelargonic acid (nonanoic acid, C9), strong puric acid (decanoic acid, C10), lauric acid (C12), etc.
- Glycols such as tylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, propylene glycol, polypropylene glycol; oils such as olive oil, castor oil, squalene, lanolin; ethyl acetate, ethyl alcohol, dimethyl decyl Organic solvents such as sulfoxide, decylmethyl sulfoxide, dimethyl sulfoxide, dimethylformamide, dimethylacetamide, dimethyllaurylamide, dodecylpyrrolidone, isosorbitol, oleyl alcohol; liquid surfactants; diisopropyl adipate, phthalic acid Examples thereof include plasticizers such as esters and jetyl sebacate; hydrocarbons such as liquid paraffin.
- ethoxylated stearyl alcohol liquid at room temperature
- isotridecyl myristate N-methylpyrrolidone
- ethyl oleate oleic acid
- diisopropyl adipate octyl palmitate
- 1,3-propanediol examples thereof include glycerin.
- fatty acid alkyl esters saturated fatty acids, hydrocarbons, and organic solvents are more preferable and fatty acid alkyl esters are more preferable from the viewpoint of the stability of the preparation.
- organic liquid components are used alone or in combination of two or more.
- the organic liquid component is preferably a fatty acid alkyl ester from the viewpoint of compatibility with the acrylic pressure-sensitive adhesive among the above.
- saturated or unsaturated fatty acids having 12 to 16 carbon atoms are preferably saturated fatty acids, and lower monohydric alcohols having 1 to 4 carbon atoms may be linear or branched.
- fatty acid having 12 to 16 carbon atoms include lauric acid (C12), myristic acid (C14), normitic acid (C16), etc., which are lower monohydric alcohols having 1 to 4 carbon atoms.
- Preferable examples include isopropyl alcohol, ethyl alcohol, methyl alcohol, propyl alcohol and the like.
- Specific examples of particularly preferred fatty acid alkyl esters include isopropyl myristate, ethyl laurate, isopropyl palmitate, and the like.
- the amount of the organic liquid component is preferably 10 to 160 parts by weight, more preferably 40 to 150 parts by weight, per 100 parts by weight of the pressure-sensitive adhesive.
- the blending amount is less than 10 parts by weight, the adhesive layer may not be sufficiently plasticized due to insufficient plasticization, or the skin irritation reducing effect may not be sufficiently obtained.
- the amount exceeds 160 parts by weight the organic liquid component cannot be retained in the adhesive even by the cohesive force of the adhesive, and the adhesive layer is bloomed and the adhesive strength becomes too weak. The possibility that the preparation will fall off the surface increases.
- the adhesive layer has a known chemical crosslinking treatment (crosslinking treatment using a crosslinking agent, etc.) or physical crosslinking treatment (electron beam irradiation such as ⁇ -rays). And the like, etc.)
- the crosslinking treatment can be performed by a method generally used in this field.
- the patch preparation may be colored by chemical or physical crosslinking treatment. Therefore, the present invention is particularly advantageously carried out in a patch preparation in which the pressure-sensitive adhesive layer is subjected to a crosslinking treatment.
- chemical crosslinking treatment using a crosslinking agent is preferred!
- the cross-linking agent is not particularly limited as long as the cross-linking agent does not inhibit the formation of cross-linking by donepezil! /
- Peroxides eg, benzoyl peroxide ( ⁇ ), etc.
- metal oxides eg, magnesium aluminate metasilicate
- polyfunctional isocyanate compounds organometallic compounds (eg, zirconium and zinc alaninates, acetic acid) Zinc, glycine ammonium zinc, titanium compounds, etc.), metal alcoholates (eg, tetraethyl titanate, tetraisopropyl titanate, aluminum isopropylate, aluminum sec-butyrate, etc.), and metal chelate compounds (eg, Dipropoxybis (acetylenacetate) titanium, tetraoctylene glycol titanium, aluminum Isopropylate, ethyl acetate acetate
- peroxides, metal oxides, organometallic compounds, metal alcoholates, and metal chelate compounds are more preferable than the viewpoint of being able to efficiently form a bridge in the presence of donepezil.
- Metal alcoholate gold From the viewpoint that it is a genus chelate compound and it is easy to obtain a crosslinked structure having an appropriate crosslinking density, a metal chelate compound is most preferred.
- ethyl acetate aluminum diisopropylate is particularly preferred!
- These crosslinking agents may be used alone or in combination of two or more! /.
- the blending amount of the crosslinking agent varies depending on the kind of the crosslinking agent and the pressure-sensitive adhesive, but is generally 0.;! To 0.6 parts by weight, preferably 0.15 to 100 parts by weight of the pressure-sensitive adhesive. —0. 5 parts by weight. If the amount is less than 1 part by weight, there are too few cross-linking points and sufficient cohesive force cannot be imparted to the pressure-sensitive adhesive layer. If the amount is larger than the parts by weight, the cohesive force is large, but sufficient skin adhesion may not be obtained. Moreover, there is a possibility that skin irritation may occur due to residual unreacted crosslinking agent.
- the chemical cross-linking treatment can be carried out, for example, by adding a cross-linking agent and then heating and storing it at a temperature equal to or higher than the cross-linking reaction temperature, that is, an aging step.
- a cross-linking agent Is appropriately selected according to the type of the crosslinking agent, but is preferably 60 to 90 ° C, more preferably 60 to 80 ° C.
- the heating time is preferably 12 to 96 hours, more preferably 24 to 72 hours.
- the cross-linked pressure-sensitive adhesive layer can contain a metal chloride together with donepezil.
- the adhesive layer contains metal chloride, the decrease in cohesive strength of the adhesive layer is reduced with the adhesive preparation applied to human skin, and cohesive failure does not occur when the adhesive layer is peeled off. It becomes.
- the strength and the metal chloride are not particularly limited, but alkali metal chlorides such as sodium and potassium; alkaline earth metal chlorides such as calcium and magnesium; aluminum chloride, stannous chloride, And ferric chloride.
- Sodium chloride, calcium chloride is preferred, and sodium chloride, calcium chloride, sodium chloride, sodium chloride, and calcium chloride are more preferred because of their superior safety and ability to suppress the cohesive strength of the adhesive layer.
- Particularly preferred is sodium chloride. Any of these may be used alone or in combination of two or more.
- the compounding amount of the metal chloride is preferably 0.;! To 20 parts by weight, more preferably 1 to; 15 parts by weight, most preferably 3 to 10 parts by weight per 100 parts by weight of the pressure-sensitive adhesive.
- this amount is less than 0.1 part by weight, the cohesive strength of the adhesive layer is prevented from decreasing. In contrast, if the amount exceeds 20 parts by weight, the inhibitory effect may be obtained, but it cannot be uniformly dispersed in the adhesive (adhesive polymer), causing the product to have a poor appearance. There is.
- the metal chloride may be produced by neutralizing donepezil hydrochloride with an inorganic base containing a metal in the process of forming the pressure-sensitive adhesive layer.
- inorganic bases that contain power and metal are alkali metals or alkaline earths such as sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, sodium hydrogen carbonate, potassium hydrogen carbonate, sodium carbonate, potassium carbonate
- alkali metal or alkaline earth metal hydroxides are preferred, and sodium hydroxide, calcium hydroxide, and magnesium hydroxide are preferred.
- sodium hydroxide is particularly preferred.
- the thickness of the pressure-sensitive adhesive layer is preferably from 20 to 300 111, more preferably from 30 to 300 m, and most preferably from 50 to 300 111. If the thickness of the pressure-sensitive adhesive layer is less than 20 m, it may be difficult to obtain sufficient adhesive strength and contain an effective amount of donepezil. The thickness of the pressure-sensitive adhesive layer is 300 m. Otherwise, coating may be difficult
- the patch preparation of the present invention includes a support and an adhesive layer, and preferably includes a release liner. That is, the patch preparation of the present invention has a structure in which the above-mentioned pressure-sensitive adhesive layer is laminated on at least one surface of the support, and the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer (the surface opposite to the surface laminated on the support of the pressure-sensitive adhesive layer) ) Is preferably protected by coating with a release liner until just before use. Further, a back surface treatment agent such as silicone, fluorine, or wax can be applied on the support and can be made into a roll form without using a release liner.
- a back surface treatment agent such as silicone, fluorine, or wax
- the support is not particularly limited, but the donepezil in the pressure-sensitive adhesive layer passes through the support and is lost from the back surface thereof (ie, relative to donepezil).
- donepezil and the organic liquid component pass through the support and are attached to the back surface. Preferred are those that are lost from the process (ie, materials that are impervious to organic liquid components and donepezil)!
- polyester for example, polyethylene terephthalate (PET), etc.
- naphthalene polychlorinated butyl
- polyethylene polypropylene
- ethylene acetate butyl copolymer polytetrafluoroethylene
- ionomer resin etc.
- polyester for example, polyethylene terephthalate (PET), etc.
- naphthalene polychlorinated butyl
- polyethylene polypropylene
- ethylene acetate butyl copolymer polytetrafluoroethylene
- ionomer resin etc.
- the support is a laminate film of a nonporous film made of the above material and the following porous film, and is porous. It is preferable to form an adhesive layer on the adhesive film side!
- the porous film is not particularly limited as long as the anchoring property with the pressure-sensitive adhesive layer is improved.
- paper woven fabric, nonwoven fabric (for example, polyester (for example, polyethylene terephthalate (PET)) Etc.) Nonwoven fabric etc.) and the above films (eg polyester, nylon)
- Saran (trade name), polyethylene, polypropylene, ethylene acetate butyl copolymer, poly chloride butyl, ethylene acrylate acrylate copolymer, polytetrafluoroethylene, metal foil, polyethylene terephthalate and other single films, and these (For example, laminated films made by laminating one or two or more types of films) mechanically perforated finolems, etc., especially paper, woven fabrics, non-woven fabrics (eg polyester non-woven fabrics, polyethylene terephthalate non-woven fabrics) It is preferable from the viewpoint of body flexibility.
- the thickness of the porous film is usually 10 to 500 m, taking into consideration the improvement of anchoring properties and the flexibility of the adhesive layer, and is usually about 1 to 200 m for thin patch preparations such as plaster type and adhesive tape type. .
- the basis weight is preferably 5 to 30 g / m 2 from the viewpoint of improving the anchoring force.
- the thickness of the support of the patch preparation of the present invention is not particularly limited, but is preferably 2 to 200 mm 111, more preferably 10 to 50 111. 2 If it is less than 111, the handling property such as self-supporting tendency tends to be lowered, and if it exceeds 200 ⁇ 111, a sense of incongruity (stiff feeling) is caused and the followability tends to be lowered.
- the release liner is not particularly limited, and a known release liner can be used. Specifically, as the release liner, a release liner having a release treatment agent layer made of a release treatment agent formed on the surface of the substrate for the release liner, a plastic film having high releasability itself, or a release liner. On the surface of the base material for use, Examples thereof include a release liner having a structure in which a release layer is formed of a LUM material. The release surface of the release liner may be only one side of the substrate or both sides.
- the release treatment agent is not particularly limited, and examples thereof include a long-chain alkyl group-containing polymer, a silicone polymer (silicone release agent), and a fluorine polymer (fluorine release agent).
- the release agent examples include plastic films such as polyethylene terephthalate (PET) film, polyimide film, polypropylene film, polyethylene film, polycarbonate film, polyester (excluding PET) film, and metal on these films. Vapor deposited metal film Plastic film; Paper such as Japanese paper, paper, kraft paper, dalasin paper, fine paper; Substrate made of fibrous material such as non-woven cloth, cloth;
- plastic film having high peelability for example, polyethylene
- the release layer formed on the surface of the release liner base material is obtained by laminating or coating the highly peelable plastic film material on the release liner base material.
- the force S is formed by the S.
- the thickness (overall thickness) of the release liner is not particularly limited! /, But is usually 200 am or less, preferably 25 to 100 ⁇ m.
- the production method of the patch preparation is not particularly limited! /, but as one embodiment, the patch preparation of the present invention comprises an adhesive, donepezil, and the above-mentioned It is produced by forming a pressure-sensitive adhesive layer containing donepezil by depositing a composition containing at least a specific stabilizer. That is, the present invention also provides a pressure-sensitive adhesive layer containing donepezil provided on at least one surface of a support, a composition containing a pressure-sensitive adhesive, donepezil, and the specific stabilizer described above. The present invention relates to a method for producing a donepezil-containing patch preparation formed by a film.
- the present invention relates to a method for suppressing discoloration over time of a donepezil-containing patch preparation, which comprises allowing the specific stabilizer described above to coexist with donepezil in the presence of an adhesive.
- a method for suppressing discoloration over time of a donepezil-containing patch preparation which comprises allowing the specific stabilizer described above to coexist with donepezil in the presence of an adhesive.
- an adhesive, donepezil, the above-described stabilizer and the like are prepared by dissolving or dispersing in a solvent, and the obtained solution or dispersion is prepared on at least one side of the support.
- a pressure-sensitive adhesive layer is formed on the surface of the support by coating, drying and forming a film, and then providing a release liner.
- the above solution or dispersion is applied on at least one surface of a protective release liner, dried to form a pressure-sensitive adhesive layer on the surface of the release liner, and then the support is adhered to the surface.
- Manufactured by adhering to the agent layer are provided by dissolving or dispersing in a solvent, and the obtained solution or dispersion is prepared on at least one side of the support.
- Examples of the solvent for dissolving or dispersing the above-mentioned pressure-sensitive adhesive include ethyl acetate, toluene, hexane, 2-propanol, methanol, ethanol, water and the like. Moreover, after adding a crosslinking agent, these can also be used for viscosity adjustment.
- a cross-linking agent is preferably added to the solution or dispersion in the chemical cross-linking treatment.
- the pressure-sensitive adhesive layer is cross-linked, it is preferably stored (aging treatment (aging step) to promote cross-linking of the pressure-sensitive adhesive layer after film formation.
- the aging treatment (ripening process) is usually performed by applying the above solution or dispersion, drying and forming a film (after forming the adhesive layer), and then subjecting the resulting adhesive layer to 60 to 90 ° C (preferably Or 60 to 80 ° C) for about 12 to 96 hours (preferably about 24 to 72 hours). During this time, donepezil coexists with the stabilizer described above, thereby suppressing coloring of the product.
- the shape of the patch preparation of the present invention is not limited, and includes, for example, a tape shape, a sheet shape, a matrix type, a reservoir type, a membrane release control type and the like. Since the tape or sheet is susceptible to the environment, particularly oxygen, the stabilization effect of the present invention is advantageous.
- the dosage of the patch preparation of the present invention varies depending on the type and amount of the adhesive and organic liquid component used, the age, weight, symptoms, etc. of the patient. Alternatively, it is preferable to apply a patch preparation containing donepezil hydrochloride 2 to 150 mg to skin 5 to 120 cm 2 ; for! To 7 days.
- a patch preparation containing donepezil hydrochloride 2 to 150 mg to skin 5 to 120 cm 2 ; for! To 7 days.
- the stored patch preparation (placebo preparation) of Reference Example 1 was obtained in the same manner as in Example 1 except that Donepezil hydrochloride and two kinds of additives were not added! /.
- the stored patch preparation (control preparation) of Reference Example 2 was obtained in the same manner as in Example 1, except that the two additives were not added.
- the color of the patch preparation (placebo preparation) of Reference Example 1 is represented by the color value (L * aV) represented by the CIE1976 (L * aV) color system (Elster 1 'Aster 1' Baster color system JIS Z 8729). * s, a * s, b * s), and then the color of each of the patch preparations of Examples;! to 15 and Comparative Examples;! to 9 and the patch preparation (control preparation) of Reference Example 2 was changed to CIE1976 (L * a * b * ) Color values (L * l, a * l, b * l) represented by the color system (Elsta I. Aster. Baster color system JIS Z 8729).
- Example 16 to 30 The stored patch preparations of Examples 16 to 30 were operated in the same manner as in Example 1 except that the stabilizer was changed to the two kinds of stabilizers shown in Table 3 (each 0.5 parts by weight). Got.
- Example 16 Example 17, Example 19, Example 20, Example 22, Example 24, Example 26, and Example 27, the color difference AE * ab2 before and after long-term storage was used together for stabilization.
- the arithmetic mean of the discoloration suppression effect of each agent over time (calculated based on the color difference AE * ab2 of Example 1, Example 4, Example 5, Example 8, Example 11 and Example 12) The values were 1.1, 1.3, 0.8, 34.5, 0.7, 0.6, 0.3 and 0.3, respectively). Therefore, according to the combination of stabilizers used in these Examples, the effect of suppressing discoloration over time of the patch containing donepezil can be exhibited synergistically. I am clear.
- discoloration over time of the donepezil-containing patch preparation can be suppressed, and a constant appearance can be maintained over a long period of time. Since the reliability of the preparations in the elderly is improved, it is widely used in pharmaceutical applications such as anti-Alzheimer type 1 dementia, anti-cerebral vascular dementia, migraine prophylaxis by parenteral administration, especially transdermal administration. It can be used effectively.
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Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800484629A CN101605546B (zh) | 2006-12-01 | 2007-11-30 | 抑制含有多奈哌齐的贴剂的经时变色的方法 |
JP2008547069A JP5110712B2 (ja) | 2006-12-01 | 2007-11-30 | ドネペジル含有貼付製剤の経時的な変色を抑制する方法 |
EP07849960.5A EP2098235B1 (en) | 2006-12-01 | 2007-11-30 | Method for prevention of discoloration with time of donepezil-containing skin adhesive preparation |
BRPI0719307-6A2A BRPI0719307A2 (pt) | 2006-12-01 | 2007-11-30 | Método para a supressão da descoloração ao longo do tempo da preparação adesiva contendo donepezil. |
US12/517,004 US20100048628A1 (en) | 2006-12-01 | 2007-11-30 | Method for suppressing discoloration over time of adhesive preparation containing donepezil |
KR1020097011146A KR101408488B1 (ko) | 2006-12-01 | 2007-11-30 | 도네페질 함유 접착 제제의 경시적인 변색을 억제하는 방법 |
CA002671006A CA2671006A1 (en) | 2006-12-01 | 2007-11-30 | Method for suppressing discoloration over time of adhesive preparation containing donepezil |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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US86196506P | 2006-12-01 | 2006-12-01 | |
JP2006325104 | 2006-12-01 | ||
US60/861,965 | 2006-12-01 | ||
JP2006-325104 | 2006-12-01 | ||
JP2007152016 | 2007-06-07 | ||
JP2007152047 | 2007-06-07 | ||
JP2007-152047 | 2007-06-07 | ||
JP2007-152016 | 2007-06-07 |
Publications (1)
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WO2008066185A1 true WO2008066185A1 (fr) | 2008-06-05 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/073254 WO2008066185A1 (fr) | 2006-12-01 | 2007-11-30 | Procédé destiné à prévenir la décoloration provoquée par le temps d'une préparation d'adhésif cutané contenant du donépézil |
PCT/JP2007/073253 WO2008066184A1 (fr) | 2006-12-01 | 2007-11-30 | Procédés destinés à prévenir la coloration dans une préparation d'adhésif cutané contenant du donépézil, procédés de réduction de la production d'analogue de donépézil dans une préparation d'adhésif cutané |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/073253 WO2008066184A1 (fr) | 2006-12-01 | 2007-11-30 | Procédés destinés à prévenir la coloration dans une préparation d'adhésif cutané contenant du donépézil, procédés de réduction de la production d'analogue de donépézil dans une préparation d'adhésif cutané |
Country Status (7)
Country | Link |
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US (3) | US20100062045A1 (ja) |
EP (2) | EP2090310B1 (ja) |
JP (3) | JP5110712B2 (ja) |
KR (2) | KR101408454B1 (ja) |
BR (2) | BRPI0719308A2 (ja) |
CA (2) | CA2671006A1 (ja) |
WO (2) | WO2008066185A1 (ja) |
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WO2009145177A1 (ja) * | 2008-05-30 | 2009-12-03 | 日東電工株式会社 | ドネペジル含有貼付製剤およびその包装体 |
JP2011190204A (ja) * | 2010-03-12 | 2011-09-29 | Nitto Denko Corp | セレギリン含有貼付製剤 |
JP2023525533A (ja) * | 2020-05-13 | 2023-06-16 | ドン-ア エスティ カンパニー リミテッド | 安定性が向上したドネペジル含有経皮吸収製剤 |
RU2814017C2 (ru) * | 2018-12-21 | 2024-02-21 | Донг-А Ст Ко., Лтд. (Dong-A St Co., Ltd.) | Препарат с чрескожной абсорбцией, содержащий стабилизированный донепезил |
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- 2007-11-30 KR KR1020097011141A patent/KR101408454B1/ko not_active IP Right Cessation
- 2007-11-30 US US12/516,998 patent/US20100062045A1/en not_active Abandoned
- 2007-11-30 BR BRPI0719308-4A2A patent/BRPI0719308A2/pt not_active Application Discontinuation
- 2007-11-30 US US12/517,004 patent/US20100048628A1/en not_active Abandoned
- 2007-11-30 EP EP07849959.7A patent/EP2090310B1/en active Active
- 2007-11-30 WO PCT/JP2007/073254 patent/WO2008066185A1/ja active Application Filing
- 2007-11-30 BR BRPI0719307-6A2A patent/BRPI0719307A2/pt not_active Application Discontinuation
- 2007-11-30 US US11/987,480 patent/US20080131490A1/en not_active Abandoned
- 2007-11-30 KR KR1020097011146A patent/KR101408488B1/ko not_active IP Right Cessation
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- 2007-11-30 JP JP2008547068A patent/JP5037523B2/ja not_active Expired - Fee Related
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Cited By (6)
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WO2009145177A1 (ja) * | 2008-05-30 | 2009-12-03 | 日東電工株式会社 | ドネペジル含有貼付製剤およびその包装体 |
EP2279739B2 (en) † | 2008-05-30 | 2018-02-28 | Nitto Denko Corporation | Donepezil-containing patch preparation and packaging thereof |
JP2011190204A (ja) * | 2010-03-12 | 2011-09-29 | Nitto Denko Corp | セレギリン含有貼付製剤 |
RU2814017C2 (ru) * | 2018-12-21 | 2024-02-21 | Донг-А Ст Ко., Лтд. (Dong-A St Co., Ltd.) | Препарат с чрескожной абсорбцией, содержащий стабилизированный донепезил |
JP2023525533A (ja) * | 2020-05-13 | 2023-06-16 | ドン-ア エスティ カンパニー リミテッド | 安定性が向上したドネペジル含有経皮吸収製剤 |
JP7419565B2 (ja) | 2020-05-13 | 2024-01-22 | ドン-ア エスティ カンパニー リミテッド | 安定性が向上したドネペジル含有経皮吸収製剤 |
Also Published As
Publication number | Publication date |
---|---|
EP2090310B1 (en) | 2013-07-10 |
BRPI0719307A2 (pt) | 2014-02-04 |
KR101408488B1 (ko) | 2014-06-17 |
KR101408454B1 (ko) | 2014-06-17 |
JP5547785B2 (ja) | 2014-07-16 |
JP5110712B2 (ja) | 2012-12-26 |
JPWO2008066184A1 (ja) | 2010-03-11 |
KR20090085087A (ko) | 2009-08-06 |
US20080131490A1 (en) | 2008-06-05 |
BRPI0719308A2 (pt) | 2014-02-04 |
CA2671000C (en) | 2014-01-21 |
EP2098235B1 (en) | 2013-08-21 |
WO2008066184A1 (fr) | 2008-06-05 |
US20100062045A1 (en) | 2010-03-11 |
CA2671000A1 (en) | 2008-06-05 |
JP2012255044A (ja) | 2012-12-27 |
EP2090310A4 (en) | 2012-03-21 |
EP2098235A1 (en) | 2009-09-09 |
EP2098235A4 (en) | 2012-03-21 |
CA2671006A1 (en) | 2008-06-05 |
JP5037523B2 (ja) | 2012-09-26 |
US20100048628A1 (en) | 2010-02-25 |
KR20090085089A (ko) | 2009-08-06 |
EP2090310A1 (en) | 2009-08-19 |
JPWO2008066185A1 (ja) | 2010-03-11 |
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