WO2021085211A1 - アセナピン-n-オキシドの生成を抑制する方法 - Google Patents
アセナピン-n-オキシドの生成を抑制する方法 Download PDFInfo
- Publication number
- WO2021085211A1 WO2021085211A1 PCT/JP2020/039240 JP2020039240W WO2021085211A1 WO 2021085211 A1 WO2021085211 A1 WO 2021085211A1 JP 2020039240 W JP2020039240 W JP 2020039240W WO 2021085211 A1 WO2021085211 A1 WO 2021085211A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- asenapine
- sensitive adhesive
- acid
- oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/40—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil
- A61K31/407—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with other heterocyclic ring systems, e.g. ketorolac, physostigmine
-
- 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
- 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
- A61K47/20—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing sulfur, e.g. dimethyl sulfoxide [DMSO], docusate, sodium lauryl sulfate or aminosulfonic acids
-
- 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
-
- 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
- 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
- A61K9/7069—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. polysiloxane, polyesters, polyurethane, polyethylene oxide
-
- 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
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
Definitions
- the present invention relates to a method for suppressing the production of asenapine-N-oxide.
- Asenapine is a compound known as a therapeutic agent for central nervous system diseases, especially schizophrenia.
- sublingual tablets of asenapine maleate (trade name: Cycrest) are distributed as a drug containing asenapine.
- Sublingual administration is generally known as a route of administration that is less susceptible to the first pass effect. Therefore, even a compound having relatively low metabolic stability is expected to exert a sufficient pharmacological effect by sublingual administration.
- Patent Documents 1 to 3 the development of asenapine-containing patches has been studied as a new formulation.
- Asenapine is absorbed into the body and then metabolized to produce various metabolites.
- the main primary metabolites of asenapine are N-demethylated form (N-desmethylacenapine), N-oxidized form (acenapine-N-oxide), 11-hydroxylated form (11-hydroxyacenapine), and asenapine.
- -N-Glucuronic acid conjugates are known. These metabolites are thought to have a lower contribution to the originally intended therapeutic effect because they have a lower affinity for the receptors to which asenapine binds or have lower transferability to the brain.
- an object of the present invention is to provide a method for suppressing the production of asenapine-N-oxide. It is also an object of the present invention to provide a patch in which the production of asenapine-N-oxide is suppressed.
- the present invention provides the following [1] to [12].
- [1] A patch having an adhesive layer on a support.
- [2] The patch according to [1], wherein the pyrosulfite is sodium pyrosulfite or potassium pyrosulfite.
- [3] The patch according to [1] or [2], wherein the pressure-sensitive adhesive base is a rubber-based pressure-sensitive adhesive base.
- [9] Add at least one selected from the group consisting of thiosulfate, sulfite and pyrosulfite to the adhesive base and the composition containing acenapine or a pharmaceutically acceptable salt thereof.
- a method of suppressing the production of acenapin-N-oxide which comprises. [10] The method according to [9], wherein the pyrosulfite is sodium metabisulfite or potassium pyrosulfite. [11] The method for suppressing the formation of asenapine-N-oxide according to [9] or [10], wherein the pressure-sensitive adhesive base is a rubber-based pressure-sensitive adhesive base.
- the production of asenapine-N-oxide in the manufacturing process of the patch can be suppressed. Further, according to the present invention, it is possible to provide a patch in which the production of asenapine-N-oxide is suppressed. Since the asenapine-containing patch of the present invention suppresses the production of asenapine-N-oxide, it can withstand storage for a longer period of time.
- the degree of asenapine-N-oxide formation in the manufacturing process and storage process of the patch may vary depending on the type of adhesive base.
- asenapine-N-oxide tends to be more easily produced than when a rubber-based pressure-sensitive adhesive base is used.
- compression of the formation of asenapine-N-oxide in the manufacturing process of the patch means that, when the pressure-sensitive adhesive base is a rubber-based pressure-sensitive adhesive base, asenapine-immediately after the production of the patch is used. It means that the amount of N-oxide produced is 0.05% or less (preferably 0.03% or less), and when the pressure-sensitive adhesive base is an acrylic pressure-sensitive base or a silicone-based pressure-sensitive base, asenapine Or, the amount of asenapine-N-oxide produced immediately after the production of the patch is higher than the value in the patch containing only the pharmaceutically acceptable salt and the tacky base (for example, Comparative Examples 5 and 6). It means that it is 90% or less (preferably 80% or less).
- compression of asenapine-N-oxide formation in the storage process of the patch means that, when the pressure-sensitive adhesive base is a rubber-based pressure-sensitive adhesive base, the patch is stored at 60 ° C. for 2 weeks. This means that the amount of asenapine-N-oxide produced is 0.25% or less (preferably 0.20% or less), and when the pressure-sensitive adhesive base is an acrylic pressure-sensitive group or a silicone-based pressure-sensitive adhesive base. After storing the patch at 60 ° C. for 2 weeks, as compared to the values in the patch containing only asenapine or a pharmaceutically acceptable salt thereof and an adhesive base (eg, Comparative Examples 5 and 6). It means that the amount of asenapine-N-oxide produced in the above is 90% or less (preferably 85% or less).
- One embodiment of the present invention is a patch having a pressure-sensitive adhesive layer on a support, wherein the pressure-sensitive adhesive layer is acenapine or a pharmaceutically acceptable salt thereof, a pressure-sensitive adhesive base, and a thiosulfite.
- the support may be any one that can maintain the shape of the patch, especially the adhesive layer.
- the material of the support include polyethylene, polypropylene, polybutadiene, ethylene-vinyl chloride copolymer, polyamide such as polyvinyl chloride and nylon, polyester, cellulose derivative, and synthetic resin such as polyurethane.
- the properties of the support include, for example, a film, a sheet, a sheet-like porous body, a sheet-like foam, a woven cloth, a knitted cloth, a cloth such as a non-woven fabric, and a laminate thereof.
- the thickness of the support is not particularly limited, but is usually preferably about 2 to 3000 ⁇ m.
- the pressure-sensitive adhesive layer is a mixture of acenapine or a pharmaceutically acceptable salt thereof, a pressure-sensitive adhesive base, at least one selected from the group consisting of thiosulfates, sulfites and pyrosulfites, and optional components described later. It is formed from the pressure-sensitive adhesive composition thus obtained.
- the thickness of the pressure-sensitive adhesive layer is not particularly limited and may be 30 to 300 ⁇ m, 50 to 200 ⁇ m or 70 to 120 ⁇ m. If the thickness of the pressure-sensitive adhesive layer exceeds 300 ⁇ m, the adhesive tends to come off when putting on and taking off clothes.
- Asenapine is also called (3aRS, 12bRS) -5-chloro-2-methyl-2,3,3a, 12b-tetrahydro-1H-dibenzo [2,3: 6,7] oxepino [4,5-c] pyrrole. It is a compound and is represented by the following formula (1).
- a pharmaceutically acceptable salt of asenapine means an acid addition salt of asenapine that can be used as a medicine.
- Acids include, for example, hydrochloric acid, hydrobromic acid, hydroiodic acid, phosphoric acid, acetic acid, propionic acid, glycolic acid, maleic acid, malonic acid, succinic acid, tartaric acid, citric acid, ascorbic acid, salicylic acid, benzoic acid. And so on.
- acenapine maleate is commercially available as a therapeutic agent for schizophrenia.
- Asenapine includes a plurality of optical isomers, and may be any optical isomer or a mixture of optical isomers such as racemic.
- the acid added to asenapine is not particularly limited as long as it is a pharmaceutically acceptable acid.
- the acid addition salt of asenapine may be anhydrous or hydrated.
- the content of asenapine or a pharmaceutically acceptable salt thereof may be 1 to 30% by mass, preferably 2 to 20% by mass or 3 to 10% by mass, based on the total mass of the pressure-sensitive adhesive layer.
- the adhesive base is a component that imparts adhesiveness to the adhesive layer, and examples thereof include rubber-based adhesive bases, acrylic-based adhesive bases, and silicone-based adhesive bases.
- the pressure-sensitive adhesive base is preferably one or more selected from the group consisting of a rubber-based pressure-sensitive group, an acrylic-based pressure-sensitive group, and a silicone-based pressure-sensitive group.
- the adhesive base preferably does not contain water (non-aqueous adhesive base).
- the pressure-sensitive adhesive base may be any of a rubber-based pressure-sensitive group, an acrylic-based pressure-sensitive group, and a silicone-based pressure-sensitive adhesive base, and may be a combination thereof.
- the total content of the pressure-sensitive adhesive base is preferably 40 to 98% by mass, more preferably 50 to 95% by mass, based on the total mass of the pressure-sensitive adhesive layer.
- the rubber-based adhesive base examples include natural rubber, polyisobutylene, alkyl vinyl ether (co) polymer, polyisoprene, polybutadiene, styrene-butadiene copolymer, styrene-isoprene copolymer, and styrene-isoprene-styrene block. Examples include copolymers. As the rubber-based pressure-sensitive adhesive base, one of these may be used alone, or two or more thereof may be used in combination.
- the rubber-based adhesive base according to the present embodiment is derived from styrene-isoprene-styrene block copolymer and polyisobutylene from the viewpoint that the adhesive layer tends to exhibit more sufficient adhesive force. It is preferably at least one selected from the above group, and more preferably styrene-isoprene-styrene block copolymer and polyisobutylene.
- the rubber adhesive examples include Opanol B12, B15, B50, B80, B100, B120, B150, B220 (trade name, manufactured by BASF), JSR Butyl 065, 268, 365 (trade name, manufactured by JSR). , Vistanex LM-MS, MH, H, MML-80, 100, 120, 140 (product name, Exxon Chemical), HYCAR (product name, Goodrich), SIBSTAR T102 (product name, Kaneka) (Manufactured) and the like.
- the content of the rubber-based pressure-sensitive adhesive base may be 10 to 90% by mass or 15 to 85% by mass based on the total mass of the pressure-sensitive adhesive layer.
- the acrylic adhesive base is a component that imparts adhesiveness to the adhesive layer, and is, for example, a (co) polymer of one or more (meth) acrylic acid alkyl esters.
- the (meth) acrylic acid alkyl ester include butyl (meth) acrylate, isobutyl (meth) acrylate, hexyl (meth) acrylate, octyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, and ( Meta) decyl acrylate and the like can be mentioned.
- the term "(meth) acrylic acid” means either one or both of acrylic acid and methacrylic acid, and similar expressions are similarly defined.
- the acrylic pressure-sensitive adhesive base may be a copolymer formed from a (meth) acrylic acid alkyl ester (main monomer) and a comonomer.
- main monomer examples include methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, hexyl (meth) acrylate, heptyl (meth) acrylate, and octyl (meth) acrylate.
- Examples thereof include 2-ethylhexyl (meth) acrylate, and one of these may be used alone or in combination of two or more.
- the comonomer may be a component that can be copolymerized with the (meth) acrylic acid alkyl ester.
- examples of the comonomer include (meth) acrylic acid hydroxyalkyl ester, ethylene, propylene, styrene, vinyl acetate, N-vinylpyrrolidone, (meth) acrylic acid, and (meth) acrylic acid amide.
- the comonomer may be one type alone or a combination of two or more types.
- acrylic pressure-sensitive adhesive base examples include acrylic acid / oxyacrylic acid octyl ester copolymer, 2-ethylhexyl acrylate / vinylpyrrolidone copolymer solution, acrylic acid ester / vinyl acetate copolymer, and 2-ethylhexyl / methacrylic acid acrylate.
- acrylic acid / oxyacrylic acid octyl ester copolymer 2-ethylhexyl acrylate / vinylpyrrolidone copolymer solution, acrylic acid ester / vinyl acetate copolymer, and 2-ethylhexyl / methacrylic acid acrylate.
- examples thereof include a 2-ethylhexyl acid / dodecyl methacrylate copolymer, a 2-ethylhexyl acrylate copolymer resin emulsion, and an acrylic polymer contained in an acrylic resin alkanolamine solution.
- acrylic pressure-sensitive adhesives include DURO-TAK (registered trademark) 387-2510, DURO-TAK (registered trademark) 87-2510, DURO-TAK (registered trademark) 387-2287, and DURO-.
- TAK (registered trademark) 87-2287, DURO-TAK (registered trademark) 87-4287, DURO-TAK (registered trademark) 387-2516, DURO-TAK (registered trademark) 87-2516, DURO-TAK (registered trademark) 87 -2074, DURO-TAK (registered trademark) 87-900A, DURO-TAK (registered trademark) 87-901A, DURO-TAK (registered trademark) 87-9301, DURO-TAK (registered trademark) 87-4098, etc.
- TAK series (manufactured by Henkel); GELVA (registered trademark) GMS788, GELVA (registered trademark) GMS3083, GELVA (registered trademark) GMS3253, etc.
- GELVA series (manufactured by Henkel); MAS811 (trademark), MAS683 (product) MAS series (manufactured by Cosmedy Pharmaceutical Co., Ltd.); Eudragit (registered trademark) series (manufactured by Ebonic), Nicazole (registered trademark, manufactured by Nippon Carbide Industry Co., Ltd.), Ultrasol (registered trademark, Aika Kogyo Co., Ltd.) Made by).
- the content of the acrylic pressure-sensitive adhesive base may be 10 to 90% by mass or 15 to 85% by mass based on the total mass of the pressure-sensitive adhesive layer.
- the silicone-based adhesive base is a compound having an organopolysiloxane skeleton.
- the silicone-based adhesive base include dimethylpolysiloxane, polymethylvinylsiloxane, and polymethylphenylsiloxane.
- Specific silicone-based adhesive bases include, for example, MD series (manufactured by Dow Corning) such as MD7-4502 Silicone Adhesive and MD7-4602 Silicone Adhesive; BIO-PSA (registered trademark) 7-4301 Silicone Adhesive, BIO-PSA.
- BIO-PSA (Registered Trademarks) 7-4302 Silicone Adhesive, BIO-PSA (Registered Trademarks) 7-4201 Silicone Adhesive, BIO-PSA (Registered Trademarks) 7-4202 Silicone Adhesive, BIO-PSA (Registered Trademarks) 7-4101 Silicone Adhesive, BIO -PSA (registered trademark) 7-4102 Silicone Adhesive, BIO-PSA (registered trademark) 7-4601 Silicone Adhesive, BIO-PSA (registered trademark) 7-4602 Silicone Adhesive, BIO-PSA (registered trademark) 7-4501 Silicone Adhesive , BIO-PSA (registered trademark) 7-4502 Silicone Adhesive, BIO-PSA (registered trademark) 7-4401 Silicone Adhesive, BIO-PSA (registered trademark) 7-4402 Silicone Adhesive, etc.
- the content of the silicone-based pressure-sensitive adhesive base may be 10 to 90% by mass or 15 to 85% by mass based on the total mass of the pressure-sensitive adhesive layer.
- the pressure-sensitive adhesive layer and the pressure-sensitive adhesive composition contain at least one selected from the group consisting of thiosulfate, sulfite and pyrosulfite.
- the thiosulfate is not particularly limited as long as it is a metal salt of thiosulfate.
- the thiosulfate is preferably an alkali metal salt of thiosulfate, more preferably sodium thiosulfate or potassium thiosulfate.
- the content of thiosulfate may be 0.005 to 1% by mass, 0.01 to 0.8% by mass or 0.02 to 0.5% by mass, based on the total mass of the pressure-sensitive adhesive layer. It is preferable to have it. When the content of thiosulfate is 0.02% by mass or more, the production of asenapine-N-oxide can be further suppressed.
- the sulfite is not particularly limited as long as it is a metal salt of sulfite.
- the sulfite is preferably an alkali metal salt of sulfite, more preferably sodium sulfite, sodium hydrogen sulfite, potassium sulfite or potassium hydrogen sulfite.
- the content of sulfite may be 0.005 to 1% by mass, 0.01 to 0.8% by mass or 0.02 to 0.5% by mass, based on the total mass of the pressure-sensitive adhesive layer. Is preferable. When the content of sulfite is 0.02% by mass or more, the production of asenapine-N-oxide can be further suppressed.
- the pyrosulfite is not particularly limited as long as it is a metal salt of pyrosulfite.
- the pyrosulfite is preferably an alkali metal salt of pyrosulfite, more preferably sodium metabisulfite or potassium pyrosulfite.
- the content of pyrosulfite may be 0.005 to 1% by mass, 0.01 to 0.8% by mass or 0.02 to 0.5% by mass, based on the total mass of the pressure-sensitive adhesive layer. It is preferable to have it. When the content of pyrosulfite is 0.02% by mass or more, the production of asenapine-N-oxide can be further suppressed.
- the pressure-sensitive adhesive layer may optionally further contain other additives.
- Other additives include, for example, tackifier resins, plasticizers, absorption promoters, solubilizers, other auxiliary stabilizers, fillers, fragrances and the like.
- Adhesive-imparting resin is a component that adjusts the adhesiveness of the adhesive layer.
- the tackifying resin include alicyclic saturated hydrocarbon resins; rosin, rosin glycerin ester, hydrogenated rosin, hydrogenated rosin glycerin ester, rosin pentaerythritol ester, rosin derivatives such as maleated rosin; terpene-based resin.
- Adhesive-imparting resin; Petroleum-based adhesive-imparting resin and the like can be mentioned.
- the tackifier resin one type may be used alone, or two or more types may be used in combination.
- the content of the pressure-sensitive adhesive resin is, for example, 2 to 65% by mass, 5 to 60% by mass, or 10 to 55% by mass based on the mass of the entire pressure-sensitive adhesive layer. Is.
- plasticizers for example, paraffin oil (liquid paraffin, etc.), squalane, squalane, vegetable oils (olive oil, camellia oil, castor oil, tall oil, lacquer oil, spearmint oil, eucalyptus oil, jojoba oil, citrus oil, sunflower oil, etc. (Orange oil, etc.), fats and oils (dibutylphthalate, dioctylphthalate, etc.), and liquid rubber (liquid polybutene, liquid isoprene rubber, etc.).
- Preferred plasticizers are liquid paraffin or liquid polybutene.
- the content of the plasticizer is, for example, 3 to 50% by mass, 5 to 30% by mass, or 7 to 20% by mass with respect to the total mass of the pressure-sensitive adhesive layer. ..
- the absorption promoter may be a compound conventionally known to have a transdermal absorption promoting action.
- the absorption enhancer include organic acids and salts thereof (for example, aliphatic carboxylic acids having 6 to 20 carbon atoms (hereinafter, also referred to as “fatty acids”) and salts thereof, silicic acid and salts thereof), and organic substances.
- Acid esters eg, fatty acid esters, silicic acid esters
- organic acid amides eg, fatty acid amides
- fatty alcohols polyhydric alcohols
- ethers eg, fatty ethers, polyoxyethylene alkyl ethers
- absorption enhancers may have unsaturated bonds and may have a cyclic, linear or branched chemical structure.
- the absorption accelerator may be a monoterpene compound, a sesquiterpene compound, and a vegetable oil (for example, olive oil). These absorption promoters may be used alone or in combination of two or more.
- organic acids examples include aliphatic (mono, di or tri) carboxylic acids (for example, acetic acid, propionic acid, sulfonic acid (including anhydrous citrate), isobutyric acid, caproic acid, capric acid, fatty acid, lactic acid and maleic acid.
- aliphatic (mono, di or tri) carboxylic acids for example, acetic acid, propionic acid, sulfonic acid (including anhydrous citrate), isobutyric acid, caproic acid, capric acid, fatty acid, lactic acid and maleic acid.
- organic acids may be alkali metal salts such as sodium salts.
- aliphatic carboxylic acids, aromatic carboxylic acids or salts thereof are preferable, and acetic acid, sodium acetate or citric acid are particularly preferable.
- fatty acids include lauric acid, myristic acid, palmitic acid, stearic acid, isostearic acid, oleic acid, linolenic acid, and linolenic acid.
- Examples of the organic acid ester include ethyl acetate, propyl acetate, cetyl lactate, lauryl lactate, methyl salicylate, ethylene glycol salicylate, methyl cinnamate, and fatty acid ester.
- Examples of the fatty acid ester include methyl laurate, hexyl laurate, isopropyl myristate, myristyl myristate, octyldodecyl myristate, isopropyl palmitate, and cetyl palmitate.
- the fatty acid ester may be glycerin fatty acid ester, propylene glycol fatty acid ester, sorbitan fatty acid ester, polyethylene glycol sorbitan fatty acid ester, polyethylene glycol fatty acid ester, sucrose fatty acid ester, or polyoxyethylene hydrogenated castor oil.
- Specific examples of the fatty acid ester include glycerin monocaprelate, glycerin monocaplate, glycerin monolaurate, glycerin monooleate, sorbitan monolaurate, sucrose monolaurate, polysorbate 20 (trade name), and propylene glycol monolaurate.
- organic acid amide examples include fatty acid amide (for example, lauric acid diethanolamide), hexahydro-1-dodecyl-2H-azepine-2-one (also referred to as azepine) and its derivative, pyrothiodecane.
- fatty acid amide for example, lauric acid diethanolamide
- hexahydro-1-dodecyl-2H-azepine-2-one also referred to as azepine
- pyrothiodecane pyrothiodecane
- Fatty alcohol means an aliphatic alcohol having 6 to 20 carbon atoms.
- fatty alcohols include lauryl alcohol, myristyl alcohol, oleyl alcohol, isostearyl alcohol, and cetyl alcohol.
- polyhydric alcohol include propylene glycol.
- the aliphatic ether means an ether having an aliphatic group having 6 to 20 carbon atoms (for example, an alkyl group or an alkenyl group).
- Examples of the polyoxyethylene alkyl ether include polyoxyethylene lauryl ether.
- monoterpene compounds include geraniol, thymol, eugenol, terpineol, l-menthol, borneolol, d-limonene, isoeugenol, isobornol, nerol, and dl-camphor. Mentha oil may be used as the monoterpene compound.
- Absorption enhancers include fatty acids (particularly oleic acid), isopropyl palmitate, oleyl alcohol, lauryl alcohol, isostearyl alcohol, diethanolamide lauric acid, glycerin monocaprelate, glycerin monocaplate, glycerin monooleate, and sorbitan monolaur. More preferred are rates, propylene glycol monolaurates, polyoxyethylene lauryl ethers or pyrothiodecanes.
- the content of the absorption-promoting agent is preferably 2 to 40% by mass based on the mass of the entire pressure-sensitive adhesive layer.
- the content of the absorption enhancer is 2% by mass or more, the skin permeability of asenapine is further increased, and there is a tendency to exhibit a sufficient pharmacological action. Further, when the content of the absorption promoter is 40% by mass or less, it tends not to show skin irritation.
- the solubilizer is a component that facilitates the dissolution of asenapine or a pharmaceutically acceptable salt thereof in the pressure-sensitive adhesive composition.
- examples of the solubilizer include fatty acids (eg, capric acid, oleic acid, linoleic acid), fatty acid alkyl esters (eg, isopropyl myristate, isopropyl palmitate), fatty acid polyhydric alcohol esters (eg, propylene glycol monolaurate, monolaurin).
- Glycerin acid glycerin monooleate, sorbitan monolaurate
- fatty acid amide eg, diethanolamide laurate
- aliphatic alcohols eg, octyldodecanol, isostearyl alcohol, oleyl alcohol
- polyhydric alcohols eg, propylene glycol
- Dipropylene glycol polyethylene glycol
- pyrrolidone derivatives eg, N-methyl-2-pyrrolidone
- organic acids or salts thereof eg, acetic acid, lactic acid, sodium acetate, sodium lactate.
- the content of the dissolving agent is preferably 2 to 40% by mass based on the mass of the entire pressure-sensitive adhesive layer.
- auxiliary stabilizers may be those capable of suppressing the generation of free radicals generated by the action of light rays such as ultraviolet rays, heat or active chemical species, and the progress of the chain reaction thereof.
- a stabilizer By optionally containing a stabilizer, the stability of asenapine during the production of the patch can be further improved.
- the stabilizer include tocopherol and its ester derivative, ascorbic acid and its ester derivative, 2,6-dibutylhydroxytoluene (BHT), 2,6-dibutylhydroxyanisole (BHA), 2-mercaptobenzimidazole and the like. Can be mentioned.
- the stabilizer one type may be used alone, or two or more types may be used in combination.
- the stabilizer dibutylhydroxytoluene is preferable because the physical properties (moldability, appearance, etc.) of the patch are appropriate and asenapine is more stabilized.
- the content of the stabilizer is preferably 0.1 to 3% by mass, preferably 0.1 to 1% by mass, based on the total mass of the pressure-sensitive adhesive layer. More preferably. When the content of the stabilizer is 0.1 to 3% by mass, the stability of each component in the patch tends to be excellent.
- the pressure-sensitive adhesive layer according to this embodiment may not contain tocopherol, ascorbyl palmitate, or both.
- the filler examples include metal compounds (aluminum oxide, aluminum hydroxide, zinc oxide, titanium oxide, calcium carbonate, etc.), ceramics (talc, clay, kaolin, silica, hydroxyapatite, synthetic aluminum silicate, and aluminic acid metasilicate). Examples thereof include short fibers of powders of organic compounds (cellulose powder, stearate, etc.) or resins containing them.
- the content of the filler is preferably 0.1 to 20% by mass based on the mass of the entire pressure-sensitive adhesive layer.
- the patch may further include a release liner.
- the release liner is laminated on the surface opposite to the support with respect to the pressure-sensitive adhesive layer.
- the surface of the release liner in contact with the pressure-sensitive adhesive layer is preferably mold-released with silicone, fluorinated polyolefin, or the like.
- the material of the release liner is not particularly limited, and a liner generally known to those skilled in the art can be used.
- the release liner include polyesters such as polyethylene terephthalate and polyethylene naphthalate; polyolefins such as polyethylene and polypropylene; films such as polyvinyl chloride, polyvinylidene chloride, nylon (trade name), and aluminum.
- the release liner may be a laminated film of high-quality paper and polyolefin.
- a film made of polypropylene or polyethylene terephthalate is preferable.
- the patch can be produced by, for example, the following method, but the patch is not limited to this, and a known method can be used.
- each component constituting the pressure-sensitive adhesive layer is mixed at a predetermined ratio to obtain a uniform solution (pressure-sensitive adhesive composition).
- the pressure-sensitive adhesive composition is spread to a predetermined thickness on a peelable film (release liner) to form a pressure-sensitive adhesive layer.
- the support is pressure-bonded to the pressure-sensitive adhesive layer so that the pressure-sensitive adhesive layer is sandwiched between the release liner and the support.
- the patch can be obtained by cutting into a desired shape and size. In this case, the release liner is removed when the patch is applied.
- the shape and dimensions of the patch may be, for example, a rectangle having a short side of 3 to 14 cm and a long side of 7 to 20 cm, or a circle having a diameter of 1 to 10 cm.
- patches were prepared as follows. Each component of the pressure-sensitive adhesive layer shown in Tables 1 to 7 was mixed and spread on a release-treated PET film (release liner) to form a pressure-sensitive adhesive layer (100 g / m 2) having a thickness of 100 ⁇ m. Next, after the support was pressure-bonded onto the pressure-sensitive adhesive layer, it was appropriately cut to an appropriate size to obtain a patch.
- a chromatogram in which the peaks of asenapine and asenapine-N-oxide were separated was obtained by high performance liquid chromatography under the following analytical conditions.
- the content of asenapine-N-oxide was calculated by dividing the value of the area under the curve of the peak corresponding to asenapine-N-oxide by the value of the area under the curve of the peak corresponding to asenapine in the obtained chromatogram. .. That is, the amount of asenapine-N-oxide (also simply referred to as "N-oxide") shown in the table below is a relative value with respect to the amount of asenapine.
- asenapine-N-oxide was also produced in the patches of Comparative Examples 1 to 3.
- the patch of Comparative Example 4 produced a small amount of asenapine-N-oxide immediately after production, but the amount of asenapine-N-oxide produced significantly increased after storage at 60 ° C. for 2 weeks.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Psychiatry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
Description
[1] 支持体上に粘着剤層を備える貼付剤であって、
上記粘着剤層が、アセナピン又はその薬学的に許容可能な塩と、粘着基剤と、チオ硫酸塩、亜硫酸塩およびピロ亜硫酸塩からなる群より選ばれる少なくとも1つと、を含有する、貼付剤。
[2] ピロ亜硫酸塩が、ピロ亜硫酸ナトリウムまたはピロ亜硫酸カリウムである、[1]に記載の貼付剤。
[3] 粘着基剤がゴム系粘着基剤である、[1]又は[2]に記載の貼付剤。
[4] 粘着基剤がアクリル系粘着基剤又はシリコーン系粘着基剤であり、アセナピン又はその薬学的に許容可能な塩がアセナピンマレイン酸塩である、[1]又は[2]に記載の貼付剤。
[5] 粘着基剤、及び、アセナピン又はその薬学的に許容可能な塩を含有する組成物に、チオ硫酸塩、亜硫酸塩及びピロ亜硫酸塩からなる群より選ばれる少なくとも1つを添加して粘着剤組成物を得ることと、
上記粘着剤組成物を支持体上に展延することと、を含む、貼付剤の製造方法。
[6] ピロ亜硫酸塩が、ピロ亜硫酸ナトリウム又はピロ亜硫酸カリウムである、[5]に記載の貼付剤の製造方法。
[7] 粘着基剤がゴム系粘着基剤である、[5]又は[6]に記載の貼付剤の製造方法。
[8] 粘着基剤がアクリル系粘着基剤又はシリコーン系粘着基剤であり、アセナピン又はその薬学的に許容可能な塩がアセナピンマレイン酸塩である、[5]又は[6]に記載の貼付剤の製造方法。
[9] 粘着基剤、及び、アセナピン又はその薬学的に許容可能な塩を含有する組成物に、チオ硫酸塩、亜硫酸塩及びピロ亜硫酸塩からなる群より選ばれる少なくとも1つを添加することを含む、アセナピン-N-オキシドの生成を抑制する方法。
[10] ピロ亜硫酸塩が、ピロ亜硫酸ナトリウム又はピロ亜硫酸カリウムである、[9]に記載の方法。
[11] 粘着基剤がゴム系粘着基剤である、[9]又は[10]に記載のアセナピン-N-オキシドの生成を抑制する方法。
[12] 粘着基剤がアクリル系粘着基剤又はシリコーン系粘着基剤であり、アセナピン又はその薬学的に許容可能な塩がアセナピンマレイン酸塩である、[9]又は[10]に記載のアセナピン-N-オキシドの生成を抑制する方法。
以下の例において、別段の記載がない限り、貼付剤は次のように調製した。
表1~7に記載の粘着剤層の各成分を混和し、離型処理をしたPETフィルム(剥離ライナー)上に展延し、厚み100μmの粘着剤層(100g/m2)を形成した。次に、粘着剤層上に支持体を圧着した後、適当な大きさに適宜裁断して、貼付剤を得た。
アセナピン-N-オキシドの含有量は、製造直後の貼付剤、及び、製造してから60℃にて2週間又は1ヶ月間保管した後の貼付剤を用いて、以下の手順で測定した。
まず、貼付剤の粘着剤層を取り出し、テトラヒドロフラン(高速液体クロマトグラフィー用グレード)10mLに浸漬して有機物を抽出した。次に、得られた抽出液を5mL採取し、これに希釈用液(0.05%リン酸水溶液/メタノール=50/50(v/v))を加えて全量を25mLとした後、不溶物をろ過した。ろ液を濃縮した後、以下の分析条件における高速液体クロマトグラフィー法により、アセナピン及びアセナピン-N-オキシドのピークが分離したクロマトグラムを得た。アセナピン-N-オキシドの含有量は、得られたクロマトグラムにおいて、アセナピン-N-オキシドに対応するピークの曲線下面積の値をアセナピンに対応するピークの曲線下面積の値で除して算出した。すなわち、下表に示すアセナピン-N-オキシド(単に「N-オキシド」ともいう。)の量は、アセナピンの量に対する相対値である。なお、アセナピン-N-オキシドのアセナピンに対する相対保持時間(RRT)は、0.24であった。
<分析条件>
カラム:CAPCELLPAKC18 MGII 5μm(4.6mmI.D×150mm)
移動相:メタノール/リン酸緩衝液(pH6.8)=70/30
測定波長:230nm
流速:1.0mL/min
試料注入量:15μL
カラム温度:50℃
上記で得られたクロマトグラムを用いて、保管後の貼付剤に含有されるアセナピンの曲線下面積の値を製造直後の貼付剤に含有されるアセナピンの曲線下面積の値で除して、アセナピンの含有量の変化量を算出した。すなわち、下表に示すアセナピンの量は、製造直後の貼付剤におけるアセナピンの量に対する相対値である。
Claims (3)
- 支持体上に粘着剤層を備える貼付剤であって、
前記粘着剤層が、アセナピン又はその薬学的に許容可能な塩と、粘着基剤と、チオ硫酸塩、亜硫酸塩及びピロ亜硫酸塩からなる群より選ばれる少なくとも1つと、を含有する、貼付剤。 - 粘着基剤、及び、アセナピン又はその薬学的に許容可能な塩を含有する組成物に、チオ硫酸塩、亜硫酸塩及びピロ亜硫酸塩からなる群より選ばれる少なくとも1つを添加して粘着剤組成物を得ることと、
前記粘着剤組成物を支持体上に展延することと、を含む、貼付剤の製造方法。 - 粘着基剤、及び、アセナピン又はその薬学的に許容可能な塩を含有する組成物に、チオ硫酸塩、亜硫酸塩及びピロ亜硫酸塩からなる群より選ばれる少なくとも1つを添加することを含む、アセナピン-N-オキシドの生成を抑制する方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020227005312A KR102883506B1 (ko) | 2019-10-28 | 2020-10-19 | 아세나핀-n-옥사이드의 생성을 억제하는 방법 |
| JP2021510472A JP7170124B2 (ja) | 2019-10-28 | 2020-10-19 | アセナピン-n-オキシドの生成を抑制する方法 |
| CN202080058076.3A CN114302716B (zh) | 2019-10-28 | 2020-10-19 | 抑制阿塞那平-n-氧化物的生成的方法 |
| US17/768,555 US12343329B2 (en) | 2019-10-28 | 2020-10-19 | Method for suppressing production of asenapine-N-oxide |
| EP20881624.9A EP4052703A4 (en) | 2019-10-28 | 2020-10-19 | METHOD FOR SUPPRESSING THE PRODUCTION OF ASENAPINE N-OXIDE |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019195125 | 2019-10-28 | ||
| JP2019-195125 | 2019-10-28 | ||
| JP2020-063702 | 2020-03-31 | ||
| JP2020063702 | 2020-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021085211A1 true WO2021085211A1 (ja) | 2021-05-06 |
Family
ID=75715953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2020/039240 Ceased WO2021085211A1 (ja) | 2019-10-28 | 2020-10-19 | アセナピン-n-オキシドの生成を抑制する方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12343329B2 (ja) |
| EP (1) | EP4052703A4 (ja) |
| JP (1) | JP7170124B2 (ja) |
| KR (1) | KR102883506B1 (ja) |
| CN (1) | CN114302716B (ja) |
| TW (1) | TWI809323B (ja) |
| WO (1) | WO2021085211A1 (ja) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014207664A2 (en) * | 2013-06-28 | 2014-12-31 | Alembic Pharmaceuticals Limited | Stable pharmaceutical composition of asenapine |
| WO2016140087A1 (ja) * | 2015-03-02 | 2016-09-09 | 久光製薬株式会社 | 貼付剤 |
| WO2017018321A1 (ja) | 2015-07-27 | 2017-02-02 | 久光製薬株式会社 | アセナピン含有貼付剤の製造方法 |
| WO2017018322A1 (ja) | 2015-07-27 | 2017-02-02 | 久光製薬株式会社 | アセナピン含有貼付剤 |
| WO2018115001A1 (en) | 2016-12-20 | 2018-06-28 | Lts Lohmann Therapie-Systeme Ag | Transdermal therapeutic system containing asenapine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100682729B1 (ko) | 2004-06-15 | 2007-02-15 | (주)아모레퍼시픽 | 신규 경피흡수제제 및 그 제조방법 |
| WO2012048455A1 (zh) | 2010-10-12 | 2012-04-19 | 武汉大学 | 一种抗病毒透皮吸收贴片及其制备方法 |
| PT2878299T (pt) | 2012-07-26 | 2018-07-06 | Hisamitsu Pharmaceutical Co | Emplastro adesivo |
| CA3047354A1 (en) * | 2016-12-20 | 2018-06-28 | Lts Lohmann Therapie-Systeme Ag | Transdermal therapeutic system containing asenapine and polysiloxane or polyisobutylene |
| US12329862B2 (en) | 2018-06-20 | 2025-06-17 | Lts Lohmann Therapie-Systeme Ag | Transdermal therapeutic system containing asenapine |
| JP7152499B2 (ja) | 2018-10-01 | 2022-10-12 | 久光製薬株式会社 | アセナピン含有貼付剤 |
-
2020
- 2020-10-19 JP JP2021510472A patent/JP7170124B2/ja active Active
- 2020-10-19 EP EP20881624.9A patent/EP4052703A4/en active Pending
- 2020-10-19 WO PCT/JP2020/039240 patent/WO2021085211A1/ja not_active Ceased
- 2020-10-19 US US17/768,555 patent/US12343329B2/en active Active
- 2020-10-19 KR KR1020227005312A patent/KR102883506B1/ko active Active
- 2020-10-19 CN CN202080058076.3A patent/CN114302716B/zh active Active
- 2020-10-22 TW TW109136661A patent/TWI809323B/zh active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014207664A2 (en) * | 2013-06-28 | 2014-12-31 | Alembic Pharmaceuticals Limited | Stable pharmaceutical composition of asenapine |
| WO2016140087A1 (ja) * | 2015-03-02 | 2016-09-09 | 久光製薬株式会社 | 貼付剤 |
| WO2017018321A1 (ja) | 2015-07-27 | 2017-02-02 | 久光製薬株式会社 | アセナピン含有貼付剤の製造方法 |
| WO2017018322A1 (ja) | 2015-07-27 | 2017-02-02 | 久光製薬株式会社 | アセナピン含有貼付剤 |
| WO2018115001A1 (en) | 2016-12-20 | 2018-06-28 | Lts Lohmann Therapie-Systeme Ag | Transdermal therapeutic system containing asenapine |
Also Published As
| Publication number | Publication date |
|---|---|
| US12343329B2 (en) | 2025-07-01 |
| CN114302716B (zh) | 2024-09-17 |
| US20240122898A1 (en) | 2024-04-18 |
| EP4052703A4 (en) | 2023-12-20 |
| JPWO2021085211A1 (ja) | 2021-11-25 |
| TWI809323B (zh) | 2023-07-21 |
| KR102883506B1 (ko) | 2025-11-12 |
| TW202128149A (zh) | 2021-08-01 |
| KR20220035217A (ko) | 2022-03-21 |
| JP7170124B2 (ja) | 2022-11-11 |
| CN114302716A (zh) | 2022-04-08 |
| EP4052703A1 (en) | 2022-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2017018322A1 (ja) | アセナピン含有貼付剤 | |
| JP7170124B2 (ja) | アセナピン-n-オキシドの生成を抑制する方法 | |
| WO2023048192A1 (ja) | ジクロフェナクインドリノン体の生成を抑制する方法 | |
| JP7337287B2 (ja) | アセナピンの分解を抑制する方法 | |
| JP7337286B2 (ja) | アセナピン含有貼付剤 | |
| KR102763501B1 (ko) | 디클로페낙인돌리논체의 생성을 억제하는 방법 | |
| JP7640513B2 (ja) | ジクロフェナクインドリノン体の生成を抑制する方法 | |
| JP7640598B2 (ja) | ビソプロロール含有貼付剤 | |
| JP7260726B1 (ja) | フェンタニル含有貼付剤 | |
| JP7065940B2 (ja) | メチルフェニデート含有貼付剤 | |
| JP2024078015A (ja) | ビソプロロール含有貼付剤 | |
| JP2025031068A (ja) | ビソプロロール又はその薬学的に許容可能な塩の保存安定性を向上させる方法 | |
| JP2024109305A (ja) | ビソプロロール含有貼付剤 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2021510472 Country of ref document: JP Kind code of ref document: A |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20881624 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 20227005312 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 17768555 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| ENP | Entry into the national phase |
Ref document number: 2020881624 Country of ref document: EP Effective date: 20220530 |
|
| WWG | Wipo information: grant in national office |
Ref document number: 17768555 Country of ref document: US |