WO2008066184A1 - 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 - Google Patents
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 Download PDFInfo
- Publication number
- WO2008066184A1 WO2008066184A1 PCT/JP2007/073253 JP2007073253W WO2008066184A1 WO 2008066184 A1 WO2008066184 A1 WO 2008066184A1 JP 2007073253 W JP2007073253 W JP 2007073253W WO 2008066184 A1 WO2008066184 A1 WO 2008066184A1
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- WO
- WIPO (PCT)
- Prior art keywords
- donepezil
- adhesive layer
- ester
- preparation
- metal salt
- 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 coloration of a donepezil-containing patch preparation and a method for reducing the amount of donepezil-related substance produced.
- 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.
- Patch preparations containing donepezil for parenteral administration such as transdermal administration of donepezil are known.
- JP-A-11-315016 Patent Document 1
- Patent Document 2 Non-fret
- Patent Document 3 Patent Document 3
- the pressure-sensitive adhesive layer contains tocopherol and ester derivatives thereof, ascorbic acid, ascorbic acid stearic acid ester, nordihydroguaiaretic acid, dibutylhydroxytoluene (BHT). , Butylhydroxylazole
- antioxidants etc.
- JP-A-2000-136134 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.
- this document proposes oral preparations such as liquids and syrups, and does not teach the application of antioxidants to patch preparations.
- Patent Document 5 Japanese Patent Laid-Open No. 11 047233 (Patent Document 6), Special Table 2006-523637 (Patent Document 7), Special Table 2003-530422 (patent Reference 8) discloses a technique for suppressing discoloration during long-term storage in patch preparations.
- Patent Document 6 Japanese Patent Laid-Open No. 11 047233
- Patent Document 7 Special Table 2006-523637
- Patent Document 2003-530422 discloses a technique for suppressing discoloration during long-term storage in patch preparations.
- these references do not teach how to achieve the natural shade appearance of the formulation, nor do they teach how to achieve the natural shade appearance of a donepezil-containing patch formulation. It ’s not what you want.
- Patent Document 1 Japanese Patent Application 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
- the present invention achieves a natural color appearance of the preparation by suppressing coloring of the donepezil-containing patch preparation, and reduces the amount of donepezil related substances produced. The issue is to reduce it.
- the present inventors have been able to suppress the coloring of the donepezil-containing patch preparation by adding two specific types of additives, and to realize a natural color appearance. Therefore, it is possible to effectively suppress the amount of specific related substances of donepezil found in relatively large amounts in donepezil patch preparations, and surprisingly, the total amount of related substances is also reduced. As a result, the present invention has been completed.
- the present invention is as follows.
- a method comprising a support and an adhesive layer, wherein the adhesive layer contains an adhesive and donepezil to suppress coloring of the adhesive patch,
- a method comprising the step of including ascorbic acid or a metal salt or ester thereof and a metal bisulfite metal salt in the pressure-sensitive adhesive layer.
- the method according to (1) comprising: applying the preparation to the surface of the support to form the pressure-sensitive adhesive layer.
- the method according to (4) comprising: applying the preparation to the surface of the support to form the pressure-sensitive adhesive layer.
- a patch preparation comprising a support and an adhesive layer, the adhesive layer containing an adhesive and donepezil,
- a patch preparation comprising ascorbic acid or a metal salt or ester thereof and a metal bisulfite metal salt in the pressure-sensitive adhesive layer.
- the pressure-sensitive adhesive layer is contained in an amount of 0.02 to 1.5 parts by weight of ascorbic acid or a metal salt or ester thereof with respect to 1.0 part by weight of the metabisulfite metal salt.
- Mu the patch preparation according to (7).
- An adhesive preparation comprising a support and an adhesive layer, wherein the adhesive layer contains an adhesive and donepezil,
- a patch preparation wherein the pressure-sensitive adhesive layer is obtained by film formation of a preparation containing a pressure-sensitive adhesive, donepezil, ascorbic acid or a metal salt or ester thereof and a metal metabisulfite.
- the formulation contains 0.02 to 1.0 part by weight of the metabisulfite metal salt in a content ratio of 0.02 to 1.5 parts by weight of the ascorbic acid or a metal salt or ester thereof.
- the amount of related substances produced can be further suppressed as compared to the arithmetic average value of the amount of related substances produced by those additives alone. (Ie, synergistically suppressed). Therefore, it is possible to efficiently obtain a safe and stable donepezil-containing patch preparation that does not require the use of a large amount of additives.
- the method for suppressing coloration 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.
- the adhesive layer donepezil and an adhesive are used. And two specific types of additives.
- donepezil refers to 2-[(1 benzil 4-piperidinyl) methyl] -5,6-dimethoxyindan 1-on (free form) (( ⁇ ) -2-[( l-benzylpiperidin-4-yl) methyl]-
- This concept includes not only 5,6-dimethoxyindan-l-one) but also its pharmaceutically acceptable salts and esters.
- 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 proportion of donepezil in the adhesive layer of the present invention is preferably based on the total weight of the adhesive layer;! To 30% by weight, more preferably 3 to It is in the range of 20% by weight. If the percentage is less than 1% by weight, a therapeutically effective amount cannot be expected, and if it exceeds 30% by weight, the therapeutic effect may be limited and economically disadvantageous.
- the two specific additives used in the present invention include ascorbic acid or a metal salt thereof. Or an ester (preferably a sodium salt or normitic acid ester) and a metal metabisulfite (preferably a sodium salt).
- an ester preferably a sodium salt or normitic acid ester
- a metal metabisulfite preferably a sodium salt
- examples of the metal salt include sodium salt, potassium salt, calcium salt, magnesium salt and the like.
- examples of the ester include palmitic acid ester, stearic acid ester, and myristic acid ester.
- Ascorbic acid or a metal salt or ester thereof and a metabisulfite metal salt are not particularly limited, but preferably 1.0 parts by weight with respect to 1.0 part by weight of the metabisulfite metal salt. 02-1. 5 parts by weight ⁇ More preferably, 0.04-1.0.0 parts by weight, most preferably 0.04 to 0.2 part by weight of ascorbic acid or a metal salt or ester thereof is added. If the amount of ascorbic acid or a metal salt or ester thereof is less than 0.02 parts by weight or more than 1.5 parts by weight, coloring suppression may be insufficient.
- the content of ascorbic acid or its metal salt or ester in the pressure-sensitive adhesive layer can be appropriately set and is not particularly limited, but is 0.01 to 0. 0 in solid conversion with respect to the total weight of the pressure-sensitive adhesive layer. It is more preferably 75% by mass, more preferably 0.02-0. 5% by mass, and most preferably 0.02-0.10% by mass. Further, the content of the metal bisulfite metal salt in the pressure-sensitive adhesive layer can be appropriately set and is not particularly limited. However, the content of the metal bisulfite metal salt is 0.0. More preferably, it is 0.2 to 0.8% by mass.
- a stabilizer may be blended in the pressure-sensitive adhesive layer.
- the term “stabilizer” refers to suppressing the formation of donepezil-related substances in the adhesive layer containing donepezil and in the preparation of the material used for forming the adhesive layer (or It means a compound having an action capable of reducing the production amount of the related substance.
- the stabilizer include, for example, ascorbic acid or a metal salt or ester thereof (preferably sodium salt, panremitic acid ester), isoscorbic acid or a metal salt thereof (preferably sodium salt), ethylenediamine Tetraacetic acid or its metal salt (preferably calcium disodium salt, Tetrasodium salt), cysteine, acetyl cysteine, 2-mercaptobensimidazole, 3 (2) —t-butyl-4-hydroxyanisole, 2,6-di-tert-butyl-4-methylphenol, tetrakis [3— (3 ', 5,1-di-tert-butyl 4,1-hydroxyphenol) propionic acid] pentaerythritol, 3 menolecapto 1,2 propanediol, tocopherol acetate, rutin, taercetin, hydroquinone, hydroxymethanesulfinate metal salt (suitably Includes sodium salts), metal metabisulfites (eg, sodium salts),
- examples of the metal salt include sodium salt, potassium salt, calcium salt, magnesium salt and the like.
- examples of the ester include palmitic acid ester, stearic acid ester, and myristic acid ester.
- 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 (that is, the total weight of the pressure-sensitive adhesive layer in the adhesive preparation), and when the total amount exceeds 5% by weight, There is a possibility that physical properties such as adhesiveness may deteriorate, and if it is less than 0.0005% by weight, a sufficient stabilizing effect may not be obtained. Therefore, preferable 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. better record, ⁇ column (or, 0.0005 weight 0/0, 0.001 weight 0/0, 0.01 weight 0/0, 0.0 2% by weight, 0.03% by weight, 0.05% by weight 0.1% by weight and 0.2% by weight.
- Hazuki groups on the total weight of the adhesive layer as a ⁇ amount from 0.0005 to 5 weight 0/0 Ca
- a ⁇ amount from 0.0005 to 5 weight 0/0 Ca
- the adhesive in order to suppress coloring of the patch preparation, it is included in the manufacturing process of the patch preparation to include the adhesive, the donepezil and the additive in the adhesive layer.
- the above-mentioned additive has the effect of being able to decompose and disappear during storage of the patch preparation after exhibiting the effects of the present invention, and this case is also within the scope of the present invention.
- the related substance of donepezil in the present invention refers to a substance derived from donepezil (related to donepezil, which is found in a relatively large amount in an adhesive layer containing donepezil. Substances that are produced by: Don't contain donepezinole! /, Not found in the adhesive layer! /, Substances).
- related substances of donepezil are related substances detected at a retention time of 12.8 minutes when the adhesive preparation of the present invention is analyzed under the analysis conditions described in the examples below (hereinafter referred to as "Related substances 1") and related substances detected at a retention time of 3. 9 minutes (hereinafter referred to as "related substances 2").
- Related substances 1 related substances detected at a retention time of 12.8 minutes when the adhesive preparation of the present invention is analyzed under the analysis conditions described in the examples below
- related substances 2 related substances detected at a retention time of 3. 9 minutes
- ascorbic acid or a metal salt or ester thereof (hereinafter also collectively referred to as "ascorbic acid”) and a metabisulfite metal salt, the amount of ascorbic acid used can be reduced, This is advantageous in that the amount of production of related substance 1, related substance 2 and total related substance can be reduced synergistically.
- the pressure-sensitive adhesive contained in the pressure-sensitive adhesive layer is not particularly limited.
- acrylic pressure-sensitive 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 pressure-sensitive adhesives do not have highly reactive functional groups, and the donepezil contained therein is relatively stable, and the production rate of related substances is relatively low.
- rubber-based adhesives include polyisobutylene, styrene 'gen' styrene block copolymers (eg, styrene 'butadiene' styrene block copolymer (SBS), styrene 'isoprene' styrene block copolymer (SIS Etc.] are preferably used, and these may be used alone or in combination of two or more.
- the acrylic pressure-sensitive adhesive has a relatively high degree of freedom, such as control of adhesive properties and drug solubility, depending on the type and ratio of monomers to be copolymerized, but has reactivity with donepezil.
- the polymer chain has a functional group, and the monomer or polymerization initiator remaining in the adhesive may react with donepezil. There are concerns about a decline. Therefore, the present invention is particularly advantageously carried out in a patch preparation using an acrylic adhesive.
- Examples of the acrylic pressure-sensitive adhesive in the present invention include an acrylic pressure-sensitive adhesive containing a (meth) acrylic acid alkyl ester, and 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.
- a cyclic alkyl group for example, butyl, pentyl, hexyl, cyclohexylenoyl, heptyl, octyl, 2-ethylhexyl, etc., preferably butyl, 2-ethylhexyl, cyclohexyl, particularly preferably 2- Ethylhexyl) (meth) 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.
- These (meth) acrylic acid alkyl esters (first monomer component) are 1 type or 2 types A combination of the above can be used.
- 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 (third monomer component) 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; vinylinoatenoles 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-butyl (
- (meth) acrylic acid aminoalkyl esters (meth) Acrylic acid methoxyethylene glycol ester, (meth) acrylic acid methoxydiethylene glycol ester, (meth) acrylic acid methoxypolyethylene glycol ester norrecoxyalkylene glycol ester; (meth) acrylonitrile; styrene sulfonic acid, Monomers having sulfonic acids such as lensulfonic acid and acrylamidomethylsulfonic acid; bur group-containing monomers such as burpiperidone, burpyrimidine, burpiperazine, burpyrrole, buriumidazole, buroxazole and bulmorpholine It is done.
- 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 to 70 ° C. for 5 to 48 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-bule-2-pyrrolidone, attaly Noreic acid 2-ethylhexyl ester / acrylic acid 2-hydroxyethyl ester / acetic acid copolymer, acrylic acid 2-ethylhexyl ester / acrylic acid copolymer, etc., more preferably acrylic acid 2-Ethylhexyl ester / 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, etc.
- a liquid component can be contained in the adhesive layer.
- an organic liquid component is preferred.
- the stability of donepezil may decrease due to chemical reaction with donepezil. Therefore, the present invention is particularly advantageously carried out in a patch preparation containing an organic liquid component in that it can efficiently suppress a decrease in force and such stability.
- 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 ethylene 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 sulfoxide, decyl methyl sulfoxide, dimethyl sulfoxide, dimethyl formamide, dimethyl acetate Organic solvents such as amide, dimethyl lauryl amide, dodecyl pyrrolidone, isosorbitol, oleyl alcohol; liquid surfactants; diisopropyl adip Plasticizers such as carbonates, phthalates and jetyl sebacates; hydrocarbons such as liquid paraffins.
- oils such as olive oil, castor oil, squalene, lanolin
- ethyl acetate, ethyl alcohol Dimethyl decyl sulfoxide, dec
- 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.
- a fatty acid alkyl ester When a fatty acid alkyl ester is used, a fatty acid and / or glycerin having 8 to 10 carbon atoms may be used in combination with the fatty acid alkyl ester from the viewpoint of improving the transdermal absorbability of donepezil.
- the blending 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 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 stability of donepezil may be reduced during the manufacturing process or storage of the preparation (increased production of related substances) due to chemical or physical cross-linking treatment. There is. Therefore, the present invention is particularly advantageously applied to a patch preparation in which the pressure-sensitive adhesive layer is subjected to a crosslinking treatment. From the viewpoint that the crosslinking treatment does not adversely affect donepezil, chemical crosslinking treatment using a crosslinking agent is preferred.
- the crosslinking agent is not particularly limited as long as the crosslinking agent is inhibited from being formed 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, albumin isopropylate, aluminum sec-butyrate, etc.), and metal chelate compounds (eg, Dipropoxybis (acetylenacetate) titanium, tetraoctylene glycol titanium, aluminum Isopropylate, ethyl acetate acetate aluminum disopropylate,
- metal chelate compounds eg, Dipropoxybis (acet
- 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.
- the metal chelate compound is most preferable.
- the metal chelate compounds ethyl acetate aluminum diisopropylate is particularly preferred!
- These crosslinking agents may be used alone or in combination of two or more! /.
- the amount of the crosslinking agent varies depending on the type of the crosslinking agent and the pressure-sensitive adhesive. 0 to 0.6 parts by weight;! To 0.6 parts by weight, preferably 0.15 to 0.5 parts by weight. 0
- the amount is less than 1 part by weight, there are too few crosslinking points, and sufficient cohesive force cannot be imparted to the pressure-sensitive adhesive layer, which may cause adhesive residue and strong skin irritation due to cohesive failure during peeling. If it is more than the part, 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 higher than the cross-linking reaction temperature, that is, through 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 crosslinked 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 amount of the metal chloride is preferably 0.;! To 20 parts by weight, more preferably 1 to 15 parts by weight, and most preferably 3 to 10 parts by weight per 100 parts by weight of the pressure-sensitive adhesive.
- the effect of suppressing the cohesive strength reduction of the pressure-sensitive adhesive layer may be insufficient. Conversely, if it exceeds 20 parts by weight, the pressure-sensitive adhesive has an inhibitory effect. It may not be uniformly dispersed in (adhesive polymer) and the formulation may cause poor appearance.
- the metal chloride may be generated by neutralizing donepezil hydrochloride with an inorganic base containing a metal in the process of forming the pressure-sensitive adhesive layer.
- Strength, inorganic bases containing metal Examples include sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, sodium hydrogen carbonate, potassium hydrogen carbonate, sodium carbonate, inorganic bases of alkaline earth metals such as potassium carbonate, From the viewpoint of hardly generating a by-product, alkali metal or alkaline earth metal hydroxides are preferred, sodium hydroxide, calcium hydroxide and magnesium hydroxide are preferred, and 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 m force S, 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)!
- polyesters for example, polyethylene terephthalate (PET)
- PET polyethylene terephthalate
- naphthalene polychlorinated butyl
- polyethylene polyethylene
- polypropylene ethylene acetate butyl copolymer
- polytetrafluoroethylene ionomer resin
- ionomer resin etc.
- the support is used as a support in order to improve adhesion (sticking property) with the pressure-sensitive adhesive layer. It is preferable to form a pressure-sensitive adhesive layer on the porous film side as a laminate film of a non-porous film made of the above material and the following porous film!
- 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 preferably 2 to 200.
- ⁇ 111 preferably 10-50111. 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.
- 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.
- 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 As a substrate for release liner, plastic films such as polyethylene terephthalate (PET) film, polyimide film, polypropylene film, polyethylene film, polycarbonate film, polyester (excluding PET) film, and metal-deposited plastic film that deposits metal on these films; Papers such as paper, kraft paper, dalasin paper and fine paper; base materials made of fibrous materials such as non-woven cloth and cloth; metal foils and the like.
- plastic film having high peelability for example, polyethylene
- the release layer formed on the surface of the release liner substrate is formed by laminating or coating the material of the highly peelable plastic film on the release liner substrate.
- 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 2 It is manufactured by forming a pressure-sensitive adhesive layer containing donepezil by forming a film containing at least a seed additive. That is, the present invention also provides a pressure-sensitive adhesive layer containing donepezil provided on at least one side of a support, a pressure-sensitive adhesive, donepezil, and a formulation containing the above two additives. The present invention relates to a method for producing a donepezil-containing patch preparation formed by film formation.
- the present invention also relates to a method for stabilizing donepezil in a patch preparation, which comprises allowing the above two additives to coexist with donepezil in the presence of an adhesive. Furthermore, the present invention relates to a method for suppressing coloration of a donepezil-containing patch preparation, which comprises allowing the above two additives to coexist with donepezil in the presence of an adhesive.
- a pressure-sensitive adhesive layer is formed on the surface of a support by coating on at least one side, drying to form a film, and then providing a release liner.
- the pressure-sensitive adhesive layer is formed on the surface of the release liner by applying the solution or dispersion described above on at least one surface of the protective release liner, and drying to form a film, and then the support is formed. It can be produced by adhering to an adhesive layer.
- 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 is stabilized by coexisting with the above two additives, and the formation of related substances is suppressed.
- 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 pressure-sensitive adhesive and organic liquid component used, the age, weight, and symptoms 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.
- 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 adhesive preparations of Examples 1 to 4 were prepared by adding ascorbic acid and a metabisulfite metal salt. Surprisingly, the color difference (AE * abl) from the placebo preparation of Reference Example 1 was smaller than that of the control preparation of Reference Example 2. From this, it was confirmed that the patch preparations of Examples 1 to 4 realized the appearance of natural coloration as the donepezil-containing patch preparation.
- the patch preparations of Examples 1 to 3 should contain 0.04-0.2 parts by weight of ascorbic acid or a metal salt or ester thereof with respect to 1.0 parts by weight of metabisulfite metal salt. Confirms that the color difference (AE * abl) from the placebo preparation of Reference Example 1 is extremely small, and the coloration of the donepezil-containing patch preparation is further suppressed, realizing a very natural color appearance. It was done.
- the appearance of a natural color! / can be realized by suppressing the coloring of the donepezil-containing patch preparation, and the amount of specific related substances of donepezil in the preparation can be ensured. Therefore, it can be used widely and effectively in pharmaceutical applications such as anti-Alzheimer-type dementia, anti-cerebrovascular dementia and migraine prophylaxis by parenteral administration, especially transdermal administration. .
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Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800481616A CN101573115B (zh) | 2006-12-01 | 2007-11-30 | 抑制含有多奈哌齐的贴剂着色的方法、及降低多奈哌齐类似物的生成量的方法 |
KR1020097011141A KR101408454B1 (ko) | 2006-12-01 | 2007-11-30 | 도네페질 함유 접착 제제의 착색을 억제하는 방법 및 도네페질의 친척 물질의 생성량을 감소시키는 방법 |
BRPI0719308-4A2A BRPI0719308A2 (pt) | 2006-12-01 | 2007-11-30 | Método para supressão da coloração de preparação adesiva contendo donepzil e método para redução da quantidade de substâncias formadas relacionadas à donepezil. |
JP2008547068A JP5037523B2 (ja) | 2006-12-01 | 2007-11-30 | ドネペジル含有貼付製剤の着色を抑制する方法、およびドネペジルの類縁物質の生成量を低減する方法 |
CA2671000A CA2671000C (en) | 2006-12-01 | 2007-11-30 | Method for suppressing coloring of adhesive preparation containing donepezil and method for reducing amounts of donepezil-related substances formed |
EP07849959.7A EP2090310B1 (en) | 2006-12-01 | 2007-11-30 | Method for prevention of coloration in donepezil-containing skin adhesive preparation, and method for reducing the production of donepezil analogue in donepezil-containing skin adhesive preparation |
US12/516,998 US20100062045A1 (en) | 2006-12-01 | 2007-11-30 | Method for suppressing coloring of adhesive prepartion containing donepezil and method for reducing amounts of donepezil-related substances formed |
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 | ||
JP2006-325104 | 2006-12-01 | ||
US60/861,965 | 2006-12-01 | ||
JP2007-152016 | 2007-06-07 | ||
JP2007152016 | 2007-06-07 | ||
JP2007-152047 | 2007-06-07 | ||
JP2007152047 | 2007-06-07 |
Publications (1)
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WO2008066184A1 true WO2008066184A1 (fr) | 2008-06-05 |
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Family Applications (2)
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 |
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 |
Family Applications After (1)
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 |
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) | WO2008066184A1 (ja) |
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- 2007-11-30 CA CA002671006A patent/CA2671006A1/en not_active Abandoned
- 2007-11-30 EP EP07849959.7A patent/EP2090310B1/en active Active
- 2007-11-30 US US11/987,480 patent/US20080131490A1/en not_active Abandoned
- 2007-11-30 KR KR1020097011141A patent/KR101408454B1/ko not_active IP Right Cessation
- 2007-11-30 WO PCT/JP2007/073253 patent/WO2008066184A1/ja active Application Filing
- 2007-11-30 WO PCT/JP2007/073254 patent/WO2008066185A1/ja active Application Filing
- 2007-11-30 JP JP2008547068A patent/JP5037523B2/ja not_active Expired - Fee Related
- 2007-11-30 CA CA2671000A patent/CA2671000C/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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US20080131490A1 (en) | 2008-06-05 |
EP2090310B1 (en) | 2013-07-10 |
CA2671006A1 (en) | 2008-06-05 |
KR101408488B1 (ko) | 2014-06-17 |
KR20090085087A (ko) | 2009-08-06 |
WO2008066185A1 (fr) | 2008-06-05 |
EP2098235A1 (en) | 2009-09-09 |
JP5037523B2 (ja) | 2012-09-26 |
JPWO2008066185A1 (ja) | 2010-03-11 |
BRPI0719307A2 (pt) | 2014-02-04 |
EP2090310A4 (en) | 2012-03-21 |
US20100048628A1 (en) | 2010-02-25 |
CA2671000C (en) | 2014-01-21 |
JP2012255044A (ja) | 2012-12-27 |
EP2098235B1 (en) | 2013-08-21 |
KR101408454B1 (ko) | 2014-06-17 |
KR20090085089A (ko) | 2009-08-06 |
JP5547785B2 (ja) | 2014-07-16 |
JP5110712B2 (ja) | 2012-12-26 |
JPWO2008066184A1 (ja) | 2010-03-11 |
US20100062045A1 (en) | 2010-03-11 |
EP2090310A1 (en) | 2009-08-19 |
EP2098235A4 (en) | 2012-03-21 |
CA2671000A1 (en) | 2008-06-05 |
BRPI0719308A2 (pt) | 2014-02-04 |
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