WO2020166665A1 - パップ剤 - Google Patents
パップ剤 Download PDFInfo
- Publication number
- WO2020166665A1 WO2020166665A1 PCT/JP2020/005599 JP2020005599W WO2020166665A1 WO 2020166665 A1 WO2020166665 A1 WO 2020166665A1 JP 2020005599 W JP2020005599 W JP 2020005599W WO 2020166665 A1 WO2020166665 A1 WO 2020166665A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- plaster layer
- poultice
- extract
- ketoprofen
- Prior art date
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- 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
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- 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
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- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
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- 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
- A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
-
- 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
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
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- 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
- A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
- A61K47/14—Esters of carboxylic acids, e.g. fatty acid monoglycerides, medium-chain triglycerides, parabens or PEG fatty acid esters
-
- 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
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2121/00—Preparations for use in therapy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2300/00—Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
Definitions
- the present invention relates to a poultice and a method for producing the same.
- a poultice is a type of patch produced by spreading a plaster layer containing a drug on a support such as cloth, and generally contains a large amount of water, and the plaster layer has a large thickness, and the skin It has the feature that there is little irritation.
- the adhesiveness of the poultices often decreases with the lapse of time after application, and the development of a poultice that does not easily decrease even after being applied for a long time is under study (Patent Document 1). ⁇ 4).
- Patent Document 1 discloses that a decrease in adhesive force can be suppressed by blending a poultice containing a partially neutralized polyacrylic acid with poly(methyl acrylate/2-ethylhexyl acrylate).
- Patent Document 2 discloses that when a polyacrylic acid is further added to the plaster layer, a poultice having excellent moldability and shape retention can be obtained.
- the medicine for the poultice is contained in the hydrous plaster layer, the skin permeability of the medicine tends to be lower than that for the tape preparation (for example, Patent Document 3).
- an object of the present invention is to provide a poultice which has excellent storage stability of ketoprofen.
- Another object of the present invention is to provide a poultice that does not reduce the adhesive strength and does not easily increase the peel strength even after being applied for one day.
- a poultice comprising a plaster layer on a support, wherein the plaster layer contains ketoprofen or a pharmaceutically acceptable salt thereof, propylene glycol, 1-menthol, and water, A poultice in which the mass of propylene glycol in the body layer is 3 times or less the mass of ketoprofen, and the content of 1-menthol is 0.1 to 0.5 mass% based on the total mass of the plaster layer. .. [2] A poultice that the plaster layer further contains at least one of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate).
- a poultice which comprises a plaster layer on a support, Further comprising a release liner on the surface opposite to the support for the plaster layer,
- the plaster layer comprises a physiologically active substance, water, at least one of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate), a fatty acid alkyl ester and an alkylene dicarboxylic acid ester.
- the loss elastic modulus of the plaster layer after standing for 24 hours in an environment of a temperature of 25° C. and a relative humidity of 55% is 3000 to 7000 Pa at a frequency of 15 Hz and a measurement temperature of 32° C.
- poultice There is a poultice.
- the present invention it is possible to provide a poultice having excellent storage stability of ketoprofen.
- By improving the storage stability of ketoprofen it is possible to extend the expiration date of the poultice as a drug, and to provide a stable supply of the drug, reduce the financial burden on the user, and reduce the environmental load. Can also be beneficial.
- “excellent storage stability of ketoprofen” means that the production amount of ketoprofen ester is small, and for example, after storage at 60° C. for 2 weeks, the ketoprofen ester analog in the plaster layer is stored. It can be judged that the storage stability of ketoprofen is excellent when the content of is 2.5% or less, preferably 1.9% or less based on the content of ketoprofen immediately after the preparation of the poultice. If the content of the ester analog of ketoprofen is 2.1% or less, the therapeutic effect of ketoprofen sufficient as a drug can be exhibited even after 2 years from the production.
- the present invention it is possible to provide a poultice that is not only excellent in adhesiveness, but also does not decrease in adhesive strength even after being applied for one day, and the peel strength is not easily enhanced.
- excellent in adhesiveness means a force (peel strength) at the time of peeling after a cylindrical probe defined on the adhesive surface of the patch is contacted for a short time in the probe tack test.
- the measured value is 0.2 N or more, or in the tilting ball tack test, the poultice is placed on the tilting plate installed so that the tilt angle is 30° so that the support surface is in contact with the tilting plate. It means that when the release liner is peeled off and a ball having a diameter of 9/32 inch or more is placed at a position 100 mm from the upper end of the support, the ball stops on the plaster layer. The distance from the upper end of the support to the ball placement is called the runway.
- the probe tack test can be carried out as described in the 17th revised Japanese Pharmacopoeia.
- the tilting ball tack test can be performed according to JIS Z0237:2009 or the description of the 17th revised Japanese Pharmacopoeia.
- “enhancement of peel strength” refers to the peel strength of the plaster layer compared to the numerical value of the peel strength of the plaster layer at the time when the production of the poultice is completed, and the peel strength of the plaster layer after storage in a predetermined environment. It means that the strength value is increasing.
- the high frequency region which is a condition for measuring loss elastic modulus, means a range of 15 to 50 Hz.
- the frequency relating to the destruction process such as peeling and tacking is 10 2 rad/s (about 16 Hz), and finger tacking and polyken probe tacking.
- 10 to 10 -1 rad/s (about 0.016 to 1.6 Hz) for contact process such as loop tack, and 10 -2 rad/s (about 0.0016 Hz) for shear deformation process in holding force test. is there.
- a first embodiment of the present invention is a poultice comprising a plaster layer on a support, wherein the plaster layer comprises ketoprofen or a pharmaceutically acceptable salt thereof, propylene glycol, 1-menthol and water. And the mass of propylene glycol in the plaster layer is not more than 3 times the mass of ketoprofen, and the content of l-menthol is 0.1 to 0.5 mass% based on the total mass of the plaster layer. There is a poultice.
- the support may be any support that can support a plaster containing water, and those well known to those skilled in the art can be used.
- the support include woven fabric (including knitted fabric), non-woven fabric, resin film, foamed sheet, and paper.
- woven fabric including knitted fabric
- non-woven fabric resin film
- foamed sheet foamed sheet
- paper examples of the material thereof include polyolefins such as polyethylene, polypropylene and polybutylene, polyesters such as polyethylene terephthalate, rayon, polyurethane and cotton.
- the seeds may be used alone or in combination of two or more. Polyester is more preferable as the material for the support.
- the support is preferably a non-woven fabric or a woven fabric, and particularly preferably a non-woven fabric or a woven fabric having a predetermined elongation recovery rate (elongation elastic modulus).
- elongation recovery rate is a value measured according to JIS L1096:2010 and means “elongation elastic modulus at constant load” or “elongation elastic modulus at constant rate elongation”.
- elongation recovery rate is the elongation elastic modulus when the elongation rate is 50% (extension rate)
- “50% elongation load” is the elongation rate of 50%.
- the 50% elongation recovery rate of the nonwoven fabric is 60 to 99%, preferably 65 to 95%, and more preferably 70 to 90%.
- the load at 50% elongation of the nonwoven fabric is, for example, 1 to 5 N/2.5 cm in the longitudinal direction (long axis direction) and 0.1 to 3 N/2.5 cm in the transverse direction (minor axis direction). Is preferred.
- a suitable basis weight of the support is, for example, 80 to 120 g/m 2 , and preferably 90 to 110 g/m 2 .
- a suitable support thickness is, for example, 0.5 to 2 mm.
- the bending resistance of the support (the measuring method of the bending resistance is according to JIS L1096:2010 A method (45° cantilever method)) is, for example, 20 to 40 mm in the longitudinal direction (long axis direction), and in the lateral direction ( The length may be 10 to 35 mm in the minor axis direction, preferably 25 to 35 mm in the longitudinal direction (long axis direction) and 15 to 30 mm in the lateral direction (minor axis direction).
- the thickness of the nonwoven fabric as the support is preferably 0.5 to 2 mm.
- the basis weight of the nonwoven fabric as the support is preferably 80 to 150 g/m 2 .
- the knitted fabric used as the support includes, for example, knitted fabrics in which the stitches are gathered by circular knitting, warp (vertical) knitting, weft (horizontal) knitting, etc. and processed into a cloth shape.
- a knitted fabric made of one or a combination of two or more materials such as polyester-based, nylon-based, polypropylene-based and rayon-based materials is preferable, and among them, a knitted fabric made of polyethylene terephthalate, which has less interaction with a drug, is more preferable.
- the 50% elongation recovery rate of the woven fabric is, for example, 60 to 99%, preferably 65 to 95%, and more preferably 70 to 90%. preferable.
- the load at 50% elongation is preferably, for example, 1 to 5 N/2.5 cm in the longitudinal direction (long axis direction) and 0.1 to 3 N/2.5 cm in the lateral direction (minor axis direction).
- the bending resistance of the support may be, for example, 10 to 30 mm in the longitudinal direction (long axis direction) and 10 to 30 mm in the lateral direction (minor axis direction), preferably 15 to 25 mm in the longitudinal direction (long axis direction). It is 15 to 25 mm in the lateral direction (short axis direction).
- the thickness of the woven fabric as the support is preferably 0.5 to 2 mm.
- the water contained in the plaster becomes less likely to exude through the mesh of the woven fabric during spreading, and The anchoring property between them is more excellent.
- the polyethylene terephthalate woven fabric preferably has a longitudinal (long axis direction) modulus of 2 to 12 N/5 cm and a transverse direction (minor axis direction) modulus of 2 to 8 N/5 cm (the modulus measuring method is JIS L1018). : 1999.).
- the modulus is lower than 2 N/5 cm, the woven fabric may be stretched when the plaster is spread, and the adhesive may permeate the mesh and the function as a poultice may be deteriorated.
- the modulus is higher than 12 N/5 cm (longitudinal direction) or 8 N/5 cm (horizontal direction)
- the elasticity is poor, and it may be difficult to follow the expansion of the skin when applied to a movable part.
- the plaster layer contains ketoprofen or a pharmaceutically acceptable salt thereof, propylene glycol, and water.
- Ketoprofen is a compound represented by the chemical formula (1) and has two optical isomers of R-form and S-form.
- any one of the optical isomers of ketoprofen may be used, or two types of optical isomers may be mixed and used at an arbitrary ratio.
- ketoprofen examples include inorganic salts such as sodium salt, potassium salt and calcium salt; amine salts such as monoethanolamine and diethanolamine.
- the content of ketoprofen in the plaster layer is 1.5 to 2.5% by mass, preferably 1.8 to 2.2% by mass, based on the total mass of the plaster layer.
- the plaster layer contains a pharmaceutically acceptable salt of ketoprofen, the mass of the salt is converted into the mass of ketoprofen.
- Propylene glycol is particularly effective in improving the skin permeability of ketoprofen.
- the content of propylene glycol in the plaster layer is 3 times or less the content of ketoprofen on a mass basis, and is 0.5 to 3 times, 0.7 to 3 times, 1 to 3 times, 0.5 to 2 times. It may be 0.5 times, 0.7 to 2.5 times, 1 to 2.5 times, or 1.5 to 2.5 times.
- the content of propylene glycol in the plaster layer is 1.5 to 6.5 mass%, 2.5 to 6.5 mass%, or 3 to 6 mass% based on the total mass of the plaster layer. Good.
- the water content in the plaster layer may be 30 to 60 mass% or 35 to 50 mass% based on the total mass of the plaster layer.
- the plaster layer may further contain at least one of fatty acid alkyl ester and alkylenedicarboxylic acid ester.
- the fatty acid alkyl ester may be an ester synthesized from a fatty acid and an alkyl alcohol (alkanol).
- the alkyl alcohol can be, for example, an alkyl alcohol having 1 to 10 carbon atoms.
- fatty acid means a saturated or unsaturated alkylcarboxylic acid having 8 to 18 carbon atoms.
- fatty acid alkyl ester examples include caprylic acid alkyl ester, capric acid alkyl ester, lauric acid alkyl ester, myristic acid alkyl ester, palmitic acid alkyl ester, palmitoleic acid alkyl ester, stearic acid alkyl ester, and oleic acid alkyl ester.
- a preferred fatty acid alkyl ester is hexyl laurate or isopropyl myristate.
- the fatty acid alkyl ester may be used alone or in combination of two or more.
- the content of the fatty acid alkyl ester in the plaster layer may be 1 to 20% by mass, preferably 1 to 15% by mass or 2 to 13% by mass, based on the total mass of the plaster layer.
- the content of hexyl laurate, isopropyl myristate or isopropyl palmitate may be 0.5 to 15% by mass or 0.5 to 10% by mass, based on the total mass of the plaster layer, It is preferably 5 to 5.0% by mass or 1.0 to 3.5% by mass.
- the skin permeability of ketoprofen is particularly excellent, and the loss elastic modulus can be easily adjusted within a predetermined range, The skin permeability of physiologically active substances is also excellent.
- the alkylene dicarboxylic acid ester may be an ester synthesized from an alkylene dicarboxylic acid and a linear or branched alkyl alcohol.
- the alkyl alcohol can be, for example, an alkyl alcohol having 1 to 10 carbon atoms.
- the alkylenedicarboxylic acid is a compound having a carboxy group at both ends of an alkylene group having 1 to 8 carbon atoms.
- alkylenedicarboxylic acid examples include ethanedioic acid (oxalic acid), propanedioic acid (malonic acid), butanedioic acid (succinic acid), pentanedioic acid (glutaric acid), hexanedioic acid (adipic acid). , Heptanedioic acid (pimelic acid), octanedioic acid (suberic acid), nonanedioic acid (azelaic acid), and decanedioic acid (sebacic acid).
- alkylenedicarboxylic acid ester examples include diethyl adipate, diisopropyl adipate, diethyl sebacate, and diisopropyl sebacate.
- the alkylenedicarboxylic acid ester may be used alone or in combination of two or more. Further, the above-mentioned fatty acid alkyl ester and alkylenedicarboxylic acid ester may be combined.
- the content of the alkylenedicarboxylic acid ester in the plaster layer may be 1 to 20% by mass, preferably 1 to 15% by mass or 2 to 13% by mass, based on the total mass of the plaster layer.
- the content of diisopropyl adipate may be 0.5 to 10% by mass, based on the total mass of the plaster layer, 0.5 to 5.0% by mass or 1.0 to 3.5% by mass. % Is preferable.
- the content of diisopropyl adipate is 0.5 to 5.0% by mass, the loss elastic modulus can be easily adjusted within a predetermined range, and the skin permeability of the physiologically active substance is particularly excellent.
- the total content of the fatty acid alkyl ester and the alkylenedicarboxylic acid ester may be 1 to 10 mass% based on the total mass of the plaster layer.
- the plaster layer may further contain a polyacrylic acid neutralized product.
- the polyacrylic acid neutralized product may be a polyacrylic acid completely neutralized product, a polyacrylic acid partially neutralized product, or a mixture thereof.
- Examples of the neutralized product of polyacrylic acid include polyacrylic acid salts such as sodium salt, potassium salt, calcium salt, and ammonium salt.
- a partially neutralized product of polyacrylic acid is preferable because both the initial adhesive force and the adhesive force with time increase.
- the partially neutralized polyacrylic acid is one in which a structural unit derived from acrylic acid and a structural unit derived from an acrylate are present in one polymer chain at an arbitrary ratio.
- As the partially neutralized polyacrylic acid it is preferable to use one in which 50 mol% of the carboxy groups in one polymer chain are neutralized.
- the content of the polyacrylic acid neutralized product in the plaster layer is preferably 1 to 6% by mass, and more preferably 2 to 6% by mass, based on the total mass of the plaster layer.
- the content of the polyacrylic acid neutralized product is 1% by mass or more, the adhesive force of the plaster layer becomes sufficiently high and it becomes difficult to drop it.
- the content of the polyacrylic acid neutralized product is 6% by mass or less, the moldability and shape retention of the plaster layer are improved.
- the plaster layer may further contain polyacrylic acid.
- polyacrylic acid By containing polyacrylic acid, the performance of maintaining the adhesive force is kept high and the shape retention of the poultice is improved.
- the content of polyacrylic acid is preferably 1 to 5 mass% based on the mass of the plaster layer. When the content of polyacrylic acid is 1% by mass or more, the moldability and shape retention of the plaster layer are improved. When the content of polyacrylic acid is 5% by mass or less, the hardness of the plaster layer is unlikely to be high and the adhesion to the skin is high.
- the adhesiveness, moldability, shape retention, and hardness of the poultice are improved in a well-balanced manner.
- the plaster layer may further contain poly(methyl acrylate/2-ethylhexyl acrylate) or poly(methacrylic acid/n-butyl acrylate).
- Poly(methyl acrylate/2-ethylhexyl acrylate) is a copolymer of methyl acrylate and 2-ethylhexyl acrylate.
- Poly(methacrylic acid/n-butyl acrylate) is a copolymer of methacrylic acid and n-butyl acrylate.
- the content ratio of each monomer is not particularly limited.
- Poly(methyl acrylate/2-ethylhexyl acrylate) or poly(methacrylic acid/n-butyl acrylate) is in the form of an emulsion (aqueous emulsion) dispersed in any solvent such as water or a water-containing organic solvent.
- aqueous emulsion of poly(methyl acrylate/2-ethylhexyl acrylate) include Nicazole TS-620 (trade name, manufactured by Nippon Carbide Industry Co., Ltd.).
- aqueous emulsion of poly(methacrylic acid/n-butyl acrylate) for example, Primal N-580NF (trade name, manufactured by Rohm and Haas Co., Ltd.), Ultrasol W-50 (trade name, manufactured by Aika Kogyo Co., Ltd.) Is mentioned.
- Primal N-580NF trade name, manufactured by Rohm and Haas Co., Ltd.
- Ultrasol W-50 trade name, manufactured by Aika Kogyo Co., Ltd.
- the content of poly(methyl acrylate/2-ethylhexyl acrylate) or poly(methacrylic acid/n-butyl acrylate) is 2.75 to 15.75 mass as solid content based on the total mass of the plaster layer. %, preferably 3.3 to 13.86% by mass, 5.5 to 12.6% by mass or 5.5 to 11.34% by mass.
- the content of the poly(methyl acrylate/2-ethylhexyl acrylate) or poly(methacrylic acid/n-butyl acrylate) aqueous emulsion is 5 to 25 mass% (solid content based on the total mass of the plaster layer). May be 2.75 to 15.75% by mass, 6 to 22% by mass (3.3 to 13.86% by mass as solid content), 10 to 20% by mass (5.5 to 12 as solid content) It is preferably 0.6% by mass) or 10 to 18% by mass (5.5 to 11.34% by mass as solid content).
- Nicazole TS-620 contains 55-63% poly(methyl acrylate/2-ethylhexyl acrylate) as solids in the aqueous emulsion.
- the content of water in the plaster layer described above also includes the amount of water added as a medium of the aqueous emulsion.
- ingredients in the plaster layer are other agents, plant-derived ingredients, animal-derived ingredients, water-soluble polymers, solubilizing agents, cross-linking agents, humectants, cooling agents, stabilizers, inorganic powders, colorings. Ingredients, flavoring agents, pH adjusters and the like may be added.
- ketoprofen may be physiologically active substances other than ketoprofen, as long as they have transdermal absorbability.
- agents include, for example, nonsteroidal anti-inflammatory agents such as felbinac, flurbiprofen, diclofenac, diclofenac sodium, methyl salicylate, glycol salicylate, indomethacin, ketoprofen or their esters, antihistamines such as diphenhydramine, aspirin, acetoline.
- Analgesics such as aminophen, ibuprofen, loxoprofen sodium, local anesthetics such as lidocaine, muscle relaxants such as suxamethonium chloride, antifungal agents such as clotrimazole, antihypertensive agents such as clonidine, blood vessels such as nitroglycerin and isosorbide nitrate.
- Expanders vitamin A, vitamin E (tocopherol), tocopherol acetate, vitamin K, octothiacin, riboflavin butyrate and other vitamins, prostaglandins, scopolamine, fentanyl, 1-menthol, capsicum extract, nonyl vanillylamide, etc. Can be mentioned.
- Some physiologically active substances have two optical isomers, R-form and S-form.
- the physiologically active substance used in the present embodiment may be any one optical isomer, or may be a mixture of two types of optical isomers at an arbitrary ratio.
- Examples of pharmaceutically acceptable salts of physiologically active substances include inorganic salts such as sodium salts, potassium salts and calcium salts; amine salts such as monoethanolamine and diethanolamine.
- the plant-derived component may be a component or a hydrolyzate thereof extracted from at least a part of the plant (for example, leaves, roots, skins, fruits), and examples thereof include ages extract, orange extract, orange juice, and raspberry extract, Kiwi extract, cucumber extract, gardenia extract, grapefruit extract, hawthorn extract, hawthorn extract, hawthorn extract, hazelnut extract, turmeric extract, duke extract, tomato extract, grape extract, loofah extract, lime juice, apple extract, apple juice, Examples include fruit-derived components such as lemon extract and lemon juice, extracted components from various crude drugs such as allantoin, lecithin, amino acids, kojic acid, aloe and licorice.
- plant-derived ingredients acitaba extract, avocado extract, armchair extract, artea extract, arnica extract, ginkgo extract, fennel extract, turmeric extract, oolong tea extract, sardine extract, sardine extract, barley extract, Dutch mustard extract, seaweed extract, Hydrolyzed elastin, hydrolyzed wheat powder, chamomile extract, sagebrush extract, licorice extract, carkade extract, guanosine, kumazasa extract, walnut extract, clematis extract, burdock extract, comfrey extract, cowberry extract, psycho extract, salvia extract, saponsou Extract, sasa extract, hawthorn extract, shiitake extract, sage extract, shikon extract, linden extract, sycamore extract, ginseng root extract, birch extract, horsetail extract, honeysuckle extract, honeysuckle extract, hawthorn extract, samweed extract, stiletto extract, t
- Mint extract mallow extract, senburi extract, turmeric extract, thyme extract, clove extract, chigaya extract, chimpi extract, spruce extract, dokudami extract, natto extract, carrot extract, nobara extract, hibiscus extract, bakumondou extract, parsley extract, parietaria extract.
- Hikiokoshi extract bisabolol, coltsfoot extract, fukinoto extract, butterbur extract, butcher bloom extract, propolis, peppermint extract, bodige extract, hops extract, pine extract, horse chestnut extract, sphagnum extract, sucrose extract, peach leaf extract, cornflower extract, eucalyptus extract.
- Yuzu extract, mugwort extract lavender extract, lettuce extract, lotus root extract, rose extract, rosemary extract, Roman chamomile extract and the like.
- the animal-derived component may be a component extracted from at least a part of the animal (eg, placenta, umbilical cord) or a hydrolyzate thereof, or a component produced by the animal.
- a component extracted from at least a part of the animal eg, placenta, umbilical cord
- a hydrolyzate thereof e.g., a component produced by the animal.
- the water-soluble polymer is not particularly limited as long as it can retain the water content in the poultice, and those generally known to those skilled in the art can be used.
- Examples of the water-soluble polymer include gelatin, polyvinyl alcohol, polyvinylpyrrolidone, sodium alginate, hydroxypropyl cellulose, sodium carboxymethyl cellulose (carmellose sodium), methyl cellulose, and carrageenan, and one kind may be used alone. You may use it in combination of 2 or more types.
- carmellose sodium, gelatin or polyvinyl alcohol is preferable.
- the content of the water-soluble polymer is preferably 3 to 10% by mass based on the mass of the plaster layer.
- the solubilizing agent is not particularly limited as long as it can dissolve the drug, and examples thereof include crotamiton; N-methylpyrrolidone; polyalkylene glycols such as polyethylene glycol (PEG) and polybutylene glycol; polyethylene glycol monostearate. Oxyalkylene fatty acid ester; polyoxyalkylene sorbitan fatty acid ester such as polysorbate 80; and surfactant such as polyoxyethylene hydrogenated castor oil. These solubilizing agents may be used alone or in combination of two or more.
- the content of the solubilizing agent is preferably 0.1 to 10 mass% based on the mass of the plaster layer.
- the cross-linking agent is a component for adjusting the degree of progress of the cross-linking reaction between the polyacrylic acid neutralized products and the cross-linking reaction between the polyacrylic acid neutralized product and the polyacrylic acid optionally added, and is generally used in the art. You can use what is commonly used.
- Examples of the crosslinking agent include aluminum compounds.
- the content of the crosslinking agent is preferably 0.01 to 6 mass% based on the mass of the plaster layer. When the content of the cross-linking agent is within the range, a poultice that is more excellent in following the skin can be obtained.
- the moisturizer is not particularly limited as long as it can suppress the evaporation of water from the plaster layer over time.
- the humectant include concentrated glycerin, sorbitol, ethylene glycol, 1,4-butanediol, polyethylene glycol, polyhydric alcohol such as liquid paraffin, and the like. These moisturizers may be used alone or in combination of two or more. Concentrated glycerin is preferred as the moisturizer.
- the content of the humectant is preferably 20 to 40% by mass based on the mass of the plaster layer.
- cooling agent examples include thymol, 1-menthol, dl-menthol, 1-isopulegol, peppermint oil and the like.
- a preferred cooling agent is 1-menthol.
- the content of the cooling agent is preferably 0.5 to 3% by mass, based on the total mass of the plaster layer.
- the content of 1-menthol is preferably 0.1 to 0.5% by mass, more preferably 0.2 to 0.4% by mass, based on the total mass of the plaster layer. ..
- the content of 1-menthol is 0.1% by mass or more, the user of the poultice can be provided with a sufficient cooling sensation.
- the content of 1-menthol is 0.5% by mass or less, the storage stability of ketoprofen is more excellent.
- stabilizers examples include oxybenzone, dibutylhydroxytoluene (BHT), sodium edetate, UV absorbers (eg, dibenzoylmethane derivative), and the like.
- the content of the stabilizer is preferably 0.5 to 3% by mass based on the mass of the plaster layer.
- the mass of the plaster layer may be 214 to 1000 g/m 2 , may be 400 to 1000 g/m 2 , and may be 400 to 650 g/m 2 .
- the amount is 400 to 650 g/m 2 , the fit is improved and the adhesiveness for a longer period can be improved. If the mass of the plaster layer is in the above range, it is possible to reduce the thickness of the entire poultice, and easily follow the skin, and further, since the step with the peripheral portion becomes small when applied, it tends to be difficult to peel off. It is in.
- the pH of the plaster layer is preferably 4 to 8, and more preferably 4.5 to 6.
- the pH of the plaster layer is preferably 4 to 8, and more preferably 4.5 to 6.
- the poultice may have a release liner.
- the release liner is laminated on the surface opposite to the support with respect to the plaster layer. When the release liner is provided, it is possible to prevent the water content of the plaster layer from decreasing during storage and to reduce the adhesion of dust or the like to the plaster layer.
- the material of the release liner is not particularly limited, and a liner of a material generally known to those skilled in the art can be used.
- a liner of a material generally known to those skilled in the art can be used.
- examples of the material of the release liner include polyethylene, polypropylene, polybutylene, polyethylene terephthalate, rayon and polyurethane. Alternatively, two or more kinds may be used in combination.
- a polypropylene film is preferable as a material for the release liner.
- the poultice may be stored inside the pouch. By being stored inside the pouch, it is possible to suppress a decrease in the water content of the plaster layer and reduce the adhesion of dust or the like to the plaster layer.
- a poultice is, for example, a mixture of ketoprofen, propylene glycol, and water, and the above-mentioned optional components are added to obtain a plaster solution, which is spread evenly on a release liner, and a support is provided thereon. Can be manufactured by stacking.
- the present invention relates to a poultice comprising a plaster layer containing ketoprofen or a pharmaceutically acceptable salt thereof on a support, wherein the plaster layer has a propylene glycol content of 3 times or less the mass of ketoprofen. It also has an aspect of a method for stabilizing ketoprofen containing
- a second embodiment of the present invention is a poultice which comprises a plaster layer on a support, further comprising a release liner on the surface of the plaster layer opposite to the support, wherein the plaster layer is physiological.
- An active substance water, at least one of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate), and at least one fatty acid alkyl ester and alkylene dicarboxylic acid ester.
- the loss elastic modulus of the plaster layer after standing for 24 hours in an environment of a temperature of 25° C. and a relative humidity of 55% is 3000 at a frequency of 15 Hz and a measurement temperature of 32° C. It is a poultice that is up to 7,000 Pa.
- the present inventors have found that after applying a poultice containing poly(methyl acrylate/2-ethylhexyl acrylate) for 1 day, the peel strength of the plaster layer becomes high and pain may occur at the time of peeling. .. As a result of further investigations, the present inventors have found that when a fatty acid alkyl ester or dicarboxylic acid ester is added to a poultice containing poly(methyl acrylate/2-ethylhexyl acrylate), the peel strength is improved without impairing the adhesive force. It was found that the enhancement can be suppressed.
- the present inventors have found that when a fatty acid alkyl ester or alkylenedicarboxylic acid ester is added to a poultice containing poly(methyl acrylate/2-ethylhexyl acrylate) or poly(methacrylic acid/n-butyl acrylate) It is considered that the loss elastic modulus (G′′) in the high frequency region (especially 15 Hz) of the layer becomes a predetermined value, and the increase in peel strength can be suppressed.
- G′′ loss elastic modulus
- the support for the poultice according to this embodiment the one described in the first embodiment can be used.
- the plaster layer of the poultice according to the present embodiment contains a physiologically active substance, water, and at least one of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate), At least one of a fatty acid alkyl ester and an alkylene dicarboxylic acid ester is contained.
- the physiologically active substance is not limited to ketoprofen or a pharmaceutically acceptable salt thereof, and may be any substance having transdermal absorbability.
- the ketoprofen or a pharmaceutically acceptable salt thereof described in the first embodiment and physiologically active substances other than these can be used.
- the physiologically active substances may be used alone or in combination of two or more.
- a preferred bioactive substance is ketoprofen.
- the content of the physiologically active substance in the plaster layer is 1.5 to 2.5% by mass, preferably 1.8 to 2.2% by mass, based on the total mass of the plaster layer.
- the plaster layer contains a pharmaceutically acceptable salt of a physiologically active substance
- the content ratio of each component is calculated by converting the mass of the salt into the mass of the physiologically active substance (free form). ..
- the water content in the plaster layer may be 30 to 60 mass% or 35 to 50 mass% based on the total mass of the plaster layer.
- poly(methyl acrylate/2-ethylhexyl acrylate) or poly(methacrylic acid/n-butyl acrylate) those described in the first embodiment can be used.
- the total content of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate) is 2.75 to 15.75 as solid content based on the total mass of the plaster layer. It may be mass %, preferably 3.3 to 13.86 mass %, 5.5 to 12.6 mass% or 5.5 to 11.34 mass %.
- the total content of the aqueous emulsion of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate) is 5 to 25% by mass (solids) based on the total mass of the plaster layer.
- the amount may be 2.75 to 15.75% by mass, 6 to 22% by mass (3.3 to 13.86% by mass as solid content), 10 to 20% by mass (5.5 to 5% as solid content). It is preferably 12.6% by mass) or 10 to 18% by mass (5.5 to 11.34% by mass as solid content).
- Nicazole TS-620 contains 55-63% poly(methyl acrylate/2-ethylhexyl acrylate) as solids in the aqueous emulsion.
- the content of water in the plaster layer described above also includes the amount of water added as a medium of the aqueous emulsion.
- fatty acid alkyl ester and alkylene dicarboxylic acid ester those described in the first embodiment can be used.
- the content of the fatty acid alkyl ester may be 1 to 20% by mass, preferably 1 to 15% by mass or 2 to 13% by mass, based on the total mass of the plaster layer.
- the content of hexyl laurate may be 0.5 to 10% by mass, based on the total mass of the plaster layer, 0.5 to 5.0% by mass or 1.0 to 3.5% by mass. % Is preferable.
- the loss elastic modulus can be easily adjusted within a predetermined range, and the skin permeability of the physiologically active substance is particularly high. Excel.
- the content of the alkylenedicarboxylic acid ester may be 1 to 20% by mass, preferably 1 to 15% by mass or 2 to 13% by mass, based on the total mass of the plaster layer.
- the content of diisopropyl adipate may be 0.5 to 10% by mass, based on the total mass of the plaster layer, 0.5 to 5.0% by mass or 1.0 to 3.5% by mass. % Is preferable.
- the content of diisopropyl adipate is 0.5 to 5.0% by mass, the loss elastic modulus can be easily adjusted within a predetermined range, and the skin permeability of the physiologically active substance is particularly excellent.
- the total content of the fatty acid alkyl ester and the alkylenedicarboxylic acid ester may be 1 to 10 mass% based on the total mass of the plaster layer.
- the plaster layer may further contain propylene glycol.
- Propylene glycol has an excellent effect of improving the skin permeability of physiologically active substances.
- the physiologically active substance is ketoprofen
- the effect of improving the skin permeability by propylene glycol becomes more remarkable.
- the content of propylene glycol in the plaster layer is 3 times or less the content of the physiologically active substance on a mass basis, and is 0.5 to 3 times, 0.7 to 3 times, 1 to 3 times, 0.5. It may be up to 2.5 times, 0.7 to 2.5 times, 1 to 2.5 times, or 1.5 to 2.5 times.
- the plaster layer may further contain a polyacrylic acid neutralized product.
- the polyacrylic acid neutralized product may be a polyacrylic acid completely neutralized product, a polyacrylic acid partially neutralized product, or a mixture thereof.
- Examples of the neutralized product of polyacrylic acid include polyacrylic acid salts such as sodium salt, potassium salt, calcium salt, and ammonium salt.
- a partially neutralized product of polyacrylic acid is preferable because both the initial adhesive force and the adhesive force with time increase.
- the partially neutralized polyacrylic acid is one in which a structural unit derived from acrylic acid and a structural unit derived from an acrylate are present in one polymer chain at an arbitrary ratio.
- As the partially neutralized polyacrylic acid it is preferable to use one in which 50 mol% of the carboxy groups in one polymer chain are neutralized.
- the content of the polyacrylic acid neutralized product in the plaster layer is preferably 1 to 6% by mass, and more preferably 2 to 6% by mass, based on the total mass of the plaster layer.
- the content of the polyacrylic acid neutralized product is 1% by mass or more, the adhesive force of the plaster layer becomes sufficiently high and it becomes difficult to drop it.
- the content of the polyacrylic acid neutralized product is 6% by mass or less, the moldability and shape retention of the plaster layer are improved.
- the plaster layer may further contain polyacrylic acid.
- polyacrylic acid By containing polyacrylic acid, the performance of maintaining the adhesive force is kept high and the shape retention of the poultice is improved.
- the content of polyacrylic acid is preferably 1 to 5 mass% based on the mass of the plaster layer. When the content of polyacrylic acid is 1% by mass or more, the moldability and shape retention of the plaster layer are improved. When the content of polyacrylic acid is 5% by mass or less, the hardness of the plaster layer is unlikely to be high and the adhesion to the skin is high.
- the adhesiveness, moldability, shape retention, and hardness of the poultice are improved in a well-balanced manner.
- plaster layer Other components of the plaster layer are plant-derived components, animal-derived components, water-soluble polymers, solubilizing agents, cross-linking agents, moisturizers, refreshing agents, stabilizers, inorganic powders, coloring agents, and flavoring agents. , A pH adjuster and the like may be added. As these components, those described in the first embodiment can be used.
- the mass of the plaster layer may be 214 to 1000 g/m 2 , may be 400 to 1000 g/m 2 , and may be 400 to 650 g/m 2 .
- the amount is 400 to 650 g/m 2 , the fit is improved and the adhesiveness for a longer period can be improved. If the mass of the plaster layer is in the above range, it is possible to reduce the thickness of the whole poultice, easily follow the skin, and further, since the step with the peripheral portion becomes small when applied, it tends to be difficult to peel off. It is in.
- the pH of the plaster layer is preferably 4 to 8, and more preferably 4.5 to 6.
- the pH of the plaster layer is preferably 4 to 8, and more preferably 4.5 to 6.
- the poultice has a release liner on the surface opposite to the support with respect to the plaster layer.
- the release liner is provided, it is possible to prevent the water content of the plaster layer from decreasing during storage and to reduce the adhesion of dust or the like to the plaster layer.
- the material of the release liner is not particularly limited, and a liner of a material generally known to those skilled in the art can be used.
- a liner of a material generally known to those skilled in the art can be used.
- examples of the material of the release liner include polyethylene, polypropylene, polybutylene, polyethylene terephthalate, rayon and polyurethane. Alternatively, two or more kinds may be used in combination.
- a polypropylene film is preferable as a material for the release liner.
- the poultice may be stored inside the pouch. By being stored inside the pouch, it is possible to suppress a decrease in the water content of the plaster layer and reduce the adhesion of dust or the like to the plaster layer.
- poultices include physiologically active substances, water, at least one of poly(methyl acrylate/2-ethylhexyl acrylate) and poly(methacrylic acid/n-butyl acrylate), fatty acid alkyl ester and alkylenedicarboxylic acid. It is produced by mixing at least one of the esters, adding the above-mentioned optional components to obtain a paste solution, uniformly spreading the paste solution on a release liner, and laminating a support thereon. be able to.
- the viscoelasticity test is performed under the conditions of a frequency of 15 Hz and a measurement temperature of 32° C., after standing for 24 hours in an environment of a temperature of 25° C. and a relative humidity of 55%.
- the loss modulus of the plaster layer is 3000 to 7000 Pa, preferably 5000 to 7000 Pa.
- a poultice can be produced by spreading a plaster solution on a support and then laminating a release liner.
- the poultice may be produced by spreading a plaster solution on a release liner and laminating a support.
- the loss elastic modulus is preferably a numerical value measured after the release agent was peeled off after the poultice was produced by the above method, and the mixture was allowed to stand for 24 hours in an environment of a temperature of 25° C. and a relative humidity of 55%. ..
- Examples 1 to 4 and Comparative Examples 1 to 6 (1) Production of poultices The components shown in Table 1 were mixed for a certain period of time to obtain a plaster solution. The obtained plaster solution was spread evenly on a release liner so that the plaster mass per sheet (140 mm ⁇ 100 mm) of poultice was 6 g, and then immediately knitted fabric (support) was laminated. To produce a poultice.
- the results are shown in Table 2.
- the total amount of ketoprofen ester was calculated as a relative value (mol %) when the amount of ketoprofen at the time of producing the poultice was 100.
- the amount of ketoprofen in each example was 95% or more based on the content of ketoprofen at the time of producing the poultice.
- the amount of ketoprofen ester was 2.2% or more in Comparative Examples 1 to 6, but less than 2.1% in Examples 1 to 4.
- the poultices of Examples 3 and 4 containing hexyl laurate had a lower total amount of ester.
- Examples 5-10 and Comparative Examples 7-13 (1) Preparation of poultices The components shown in Table 3 were mixed for a certain period of time to obtain a plaster solution. The obtained plaster solution was spread evenly on a release liner so that the plaster mass per sheet (140 mm ⁇ 100 mm) of poultice was 6 g, and then immediately knitted fabric (support) was laminated. To produce a poultice.
- the results are shown in Table 4.
- the amount of ketoprofen in each example was 95% or more based on the content of ketoprofen at the time of producing the poultice.
- the amount of ketoprofen ester was 2.29% or more in Comparative Examples 7 to 13, but less than 2.1% in Examples 5 to 10.
- Example 11 and Comparative Examples 14 to 15 (1) Preparation of poultices The components shown in Table 5 were mixed for a certain period of time to obtain a plaster solution. The obtained plaster solution was spread evenly on a release liner so that the plaster mass per sheet (140 mm ⁇ 100 mm) of poultice was 6 g, and then immediately knitted fabric (support) was laminated. To produce a poultice.
- Reference Examples 1-7 (1) Production of poultices The components shown in Table 7 were mixed for a certain period of time to obtain a plaster solution. The obtained plaster solution was spread evenly on a release liner so that the plaster mass per sheet (140 mm ⁇ 100 mm) of the poultice was 6 g, and then immediately knitted fabric (support) was laminated. , Manufactured a poultice.
- Evaluation test 1 probe tack test
- the release liner was removed from each poultice and the probe tack was evaluated under the following test conditions. In addition, assuming the adhesive force 24 hours after being applied to the skin, the produced poultice is left standing for 24 hours at a temperature of 25° C. and a relative humidity of 55% with the release liner removed, Similarly, a probe tack test was performed. [Test conditions] Device: Probe Tack Tester (made by Tester Sangyo Co., Ltd.) Probe: Bakelite probe Contact speed: 1 cm/sec Contact time: 1 sec Retaining ring: Brass 20 g
- Test 2 Ball tack test The release liner was removed from each poultice (size: 50 mm x 100 mm), and a ball tack test was carried out according to the method described in JIS Z0237:2009.
- the poultice was placed on the inclined plate of the ball rolling device so that the plaster surface of the poultice (the surface to be attached to the skin) was the upper surface.
- the inclination angle of the inclined plate is 30°.
- the sizes of the balls to be arranged are 32 types, which are increased by 1/32 inch from a ball having a diameter of 1/32 inch, and the diameter of the largest ball is 1 inch (32/32 inch). Of the balls that stopped without passing over the plaster layer, the diameter of the ball with the largest diameter was recorded.
- Test 3 180° peel strength test The produced poultice was cut into a rectangle having a width of 2.5 cm and attached to a test plate. After pressing the poultice with a roller, it was peeled off at a constant speed under the following test conditions. The load (peel strength) required to peel off the poultice was measured. In addition, in order to estimate the strength of the pain when peeling 24 hours after being applied to the skin, the release liner was removed from the manufactured poultice, and the test plate was pressure-bonded with a roller at a temperature of 25° C. After standing for 24 hours under the condition of a humidity of 55%, a 180° peel strength test was conducted in the same manner. [Test conditions] Equipment: Tensilon type tensile tester (trade name: RTA-100, manufactured by A&D Co., Ltd.) Test plate: PTFE plate Peeling speed: 300 mm/min
- Test 4 Viscoelasticity test Assuming the adhesive force 24 hours after being applied to the skin, the manufactured poultice was left static for 24 hours at a temperature of 25°C and a relative humidity of 55% with the release liner removed. After placing, the loss elastic modulus was measured under the following measurement conditions. Among the obtained loss elastic moduli, the loss elastic moduli at a frequency of 15 Hz were recorded. [Measurement condition] Equipment: Rheometer HAAKE MARS-III (made by Thermo Fisher Scientific Co., Ltd.) Sample part: 20 mm diameter parallel plate, Gap interval: 1 mm Sample amount: 0.7g Temperature: 32 °C Frequency: 0.01-100Hz Distortion: 1%
- Reference Examples 8-11 A poultice (Reference Examples 8 to 11) was produced in the same manner as in Reference Example 1 except that sodium diclofenac, indomethacin, felbinac or flurbiprofen was used instead of ketoprofen. The poultices of Reference Examples 8 to 11 all showed good results in Tests 1 to 4.
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Abstract
Description
[2] 膏体層が、ポリ(アクリル酸メチル/アクリル酸2-エチルヘキシル)及びポリ(メタクリル酸/アクリル酸n-ブチル)の少なくとも1つをさらに含有するパップ剤。
[3] 膏体層が、脂肪酸アルキルエステル及びアルキレンジカルボン酸エステルの少なくとも1つをさらに含有する、[1]又は[2]に記載のパップ剤。
[4] 剥離ライナーを剥がしてから、温度25℃、相対湿度55%の環境下で24時間静置した後の、膏体層の損失弾性率が周波数15Hz、測定温度32℃の条件において、3000~7000Paである、[3]に記載のパップ剤。
[5] 脂肪酸アルキルエステルが、ラウリン酸ヘキシル、ミリスチン酸イソプロピル及びパルミチン酸イソプロピルからなる群より選択される少なくとも1種を含む、[3]又は[4]に記載のパップ剤。
[6] アルキレンジカルボン酸エステルが、アジピン酸ジイソプロピルを含む、[3]~[5]のいずれかに記載のパップ剤。
[7] 支持体上に、ケトプロフェン又はその薬学的に許容可能な塩を含有する膏体層を備えるパップ剤において、上記膏体層中に、ケトプロフェンの質量の3倍以下の質量のプロピレングリコールを加える、ケトプロフェンの安定化方法。
[8] 支持体上に膏体層を備えるパップ剤であって、
上記膏体層に対して支持体と反対側の面に剥離ライナーを更に備え、
膏体層が生理活性物質と、水と、ポリ(アクリル酸メチル/アクリル酸2-エチルヘキシル)及びポリ(メタクリル酸/アクリル酸n-ブチル)の少なくとも1つと、脂肪酸アルキルエステル及びアルキレンジカルボン酸エステルの少なくとも1つと、を含有し、
剥離ライナーを剥がしてから、温度25℃、相対湿度55%の環境下で24時間静置した後の、膏体層の損失弾性率が周波数15Hz、測定温度32℃の条件において、3000~7000Paである、パップ剤。
[9] 生理活性物質が、ケトプロフェン又はその薬学的に許容可能な塩である、[8]に記載のパップ剤。
[10] 脂肪酸アルキルエステル又はアルキレンジカルボン酸エステルをさらに含有する、[8]又は[9]に記載のパップ剤。
[11] 脂肪酸アルキルエステルが、ラウリン酸ヘキシル、ミリスチン酸イソプロピル及びパルミチン酸イソプロピルからなる群より選択される少なくとも1種を含む、[8]~[10]のいずれかに記載のパップ剤。
[12] アルキレンジカルボン酸エステルが、アジピン酸ジイソプロピルを含む、[8]~[11]のいずれかに記載のパップ剤。
[13] プロピレングリコールをさらに含有する、[8]~[12]のいずれかに記載のパップ剤。
[14] プロピレングリコールの質量が、生理活性物質の質量の3倍以下である、[13]に記載のパップ剤。
(1)パップ剤の製造
表1に記載の各成分を一定時間、混合して膏体液を得た。得られた膏体液を、パップ剤1枚(140mm×100mm)当たりの膏体質量が6gとなるように、剥離ライナー上に均一に展延し、その後、直ちに編布(支持体)を積層して、パップ剤を製造した。
得られたパップ剤を60℃、2週間保存した。保存後のパップ剤を貼付面積が35cm2(5cm×7cm)となるように裁断した後、剥離ライナーを除去し、膏体層をメタノール30mLで抽出し、試料溶液を得た。試料溶液中のケトプロフェンの含有量及びケトプロフェンのエステル(ケトプロフェンのグリセリン、プロピレングリコール、メントール、又はエチルヘキシルのエステル)の総含有量を、高速液体クロマトグラフィー(HPLC)法により、ピークエリアに基づいて算出した。
(1)パップ剤の製造
表3に記載の各成分を一定時間、混合して膏体液を得た。得られた膏体液を、パップ剤1枚(140mm×100mm)当たりの膏体質量が6gとなるように、剥離ライナー上に均一に展延し、その後、直ちに編布(支持体)を積層して、パップ剤を製造した。
上述の方法にしたがい、試料溶液中のケトプロフェンの含有量及びケトプロフェンのエステルの総含有量を、高速液体クロマトグラフィー(HPLC)法により、ピークエリアに基づいて算出した。
(1)パップ剤の製造
表5に記載の各成分を一定時間、混合して膏体液を得た。得られた膏体液を、パップ剤1枚(140mm×100mm)当たりの膏体質量が6gとなるように、剥離ライナー上に均一に展延し、その後、直ちに編布(支持体)を積層して、パップ剤を製造した。
上述の方法にしたがい、試料溶液中のケトプロフェンの含有量及びケトプロフェンのエステルの総含有量を、高速液体クロマトグラフィー(HPLC)法により、ピークエリアに基づいて算出した。
(1)パップ剤の製造
表7の記載の各成分を一定時間、混合して膏体液を得た。得られた膏体液をパップ剤1枚(140mm×100mm)当たりの膏体質量が6gとなるように、剥離ライナー上に均一に展延し、その後、直ちに編布(支持体)を積層して、パップ剤を製造した。
試験1:プローブタック試験
各パップ剤から剥離ライナーを除去し、以下の試験条件でプローブタックを評価した。また、皮膚に貼付してから24時間後の付着力を想定して、製造したパップ剤を、剥離ライナーを除去した状態で温度25℃、相対湿度55%の条件で24時間静置した後、同様にプローブタック試験を実施した。
[試験条件]
装置:プローブタックテスター(テスター産業株式会社製)
プローブ:ベークライトプローブ
接触速度:1cm/秒
接触時間:1秒
保持リング:真鍮製20g
各パップ剤(大きさ:50mm×100mm)から剥離ライナーを除去し、JIS Z0237:2009に記載の方法に準拠してボールタック試験を実施した。パップ剤の膏体面(皮膚へ貼付する面)が上面になるようにパップ剤を球転装置の傾斜板に配置した。傾斜板の傾斜角は30°である。膏体層の上端(上側の辺)から100mm(助走路)の位置(スタート位置)に、所定の直径を有するボールを配置した場合、ボールが傾斜板上を転がり、膏体層上に5秒間以上留まるかどうかを評価した。配置するボールのサイズは、直径1/32インチのボールから1/32インチずつ大きくなる32種類であり、最も大きいボールの直径は1インチ(32/32インチ)である。膏体層上を通過せずに停止したボールのうち、直径が最も大きいボールの直径を記録した。
製造したパップ剤を幅2.5cmとなるように矩形に切断し、試験板に貼付した。パップ剤をローラーで圧着した後、以下の試験条件で定速剥離した。パップ剤の剥離に要する荷重(ピール強度)を測定した。
また、皮膚に貼付してから24時間後に剥離する場合の痛みの強弱を推測するために、製造したパップ剤から剥離ライナーを除去して、試験板にローラーで圧着した状態で温度25℃、相対湿度55%の条件で24時間静置した後、同様に180°ピール強度試験を実施した。
[試験条件]
装置:テンシロン型引張試験機(商品名:RTA-100、株式会社エー・アンド・デイ社製)
試験板:PTFE板
剥離速度:300mm/分
皮膚に貼付してから24時間後の付着力を想定して、製造したパップ剤を、剥離ライナーを除去した状態で温度25℃、相対湿度55%の条件で24時間静置した後、以下の測定条件で損失弾性率を測定した。得られた損失弾性率のうち、周波数15Hzにおける損失弾性率を記録した。
[測定条件]
装置:レオメーターHAAKE MARS-III(サーモフィッシャー・サイエンティフィック株式会社製)
試料部:直径20mmの平行平板
ギャップ間隔:1mm
試料量:0.7g
温度:32℃
周波数:0.01~100Hz
歪:1%
ケトプロフェンに代えて、ジクロフェナクナトリウム、インドメタシン、フェルビナク又はフルルビプロフェンを使用した以外は、参考例1と同様にして、パップ剤(参考例8~11)を製造した。参考例8~11のパップ剤はいずれも、試験1~4において良好な結果を示した。
Claims (3)
- 支持体上に膏体層を備えるパップ剤であって、
前記膏体層が、ケトプロフェン又はその薬学的に許容可能な塩、プロピレングリコール、l-メントール、及び水を含有し、
前記膏体層におけるプロピレングリコールの質量が、ケトプロフェンの質量の3倍以下であり、
l-メントールの含有量が前記膏体層の全質量を基準として0.1~0.5質量%である、パップ剤。 - 前記膏体層が、脂肪酸アルキルエステルをさらに含有する、請求項1に記載のパップ剤。
- 支持体上に、ケトプロフェンを含有する膏体層を備えるパップ剤において、
前記膏体層中に、ケトプロフェンの質量の3倍以下の質量のプロピレングリコールを含有する、ケトプロフェンの安定化方法。
Priority Applications (5)
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US17/429,683 US11903915B2 (en) | 2019-02-14 | 2020-02-13 | Poultice |
EP20755936.0A EP3925604A4 (en) | 2019-02-14 | 2020-02-13 | POULTICE |
CN202080013897.5A CN113423394A (zh) | 2019-02-14 | 2020-02-13 | 泥罨剂 |
BR112021015884-7A BR112021015884A2 (pt) | 2019-02-14 | 2020-02-13 | Cataplasma |
KR1020217025033A KR102664518B1 (ko) | 2019-02-14 | 2020-02-13 | 파프제 |
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JP2019-024287 | 2019-02-14 | ||
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JP2020-009507 | 2020-01-23 | ||
JP2020009507A JP7282701B2 (ja) | 2020-01-23 | 2020-01-23 | パップ剤 |
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WO2020166665A1 true WO2020166665A1 (ja) | 2020-08-20 |
Family
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PCT/JP2020/005599 WO2020166665A1 (ja) | 2019-02-14 | 2020-02-13 | パップ剤 |
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US (1) | US11903915B2 (ja) |
EP (1) | EP3925604A4 (ja) |
KR (1) | KR102664518B1 (ja) |
CN (1) | CN113423394A (ja) |
BR (1) | BR112021015884A2 (ja) |
WO (1) | WO2020166665A1 (ja) |
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Publication number | Publication date |
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EP3925604A1 (en) | 2021-12-22 |
CN113423394A (zh) | 2021-09-21 |
BR112021015884A2 (pt) | 2021-10-05 |
KR20210113304A (ko) | 2021-09-15 |
US11903915B2 (en) | 2024-02-20 |
EP3925604A4 (en) | 2022-11-16 |
TW202045151A (zh) | 2020-12-16 |
US20220105060A1 (en) | 2022-04-07 |
KR102664518B1 (ko) | 2024-05-09 |
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