WO2019124261A1 - ロチゴチン含有貼付剤 - Google Patents
ロチゴチン含有貼付剤 Download PDFInfo
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- WO2019124261A1 WO2019124261A1 PCT/JP2018/046137 JP2018046137W WO2019124261A1 WO 2019124261 A1 WO2019124261 A1 WO 2019124261A1 JP 2018046137 W JP2018046137 W JP 2018046137W WO 2019124261 A1 WO2019124261 A1 WO 2019124261A1
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- rotigotine
- adhesive layer
- sensitive adhesive
- pressure
- content
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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
-
- 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
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/38—Heterocyclic compounds having sulfur as a ring hetero atom
- A61K31/381—Heterocyclic compounds having sulfur as a ring hetero atom having five-membered rings
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
-
- 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
- A61K9/7076—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising ingredients of undetermined constitution or reaction products thereof, e.g. rosin or other plant resins
-
- 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
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/14—Radicals substituted by singly bound hetero atoms other than halogen
- C07D333/20—Radicals substituted by singly bound hetero atoms other than halogen by nitrogen atoms
Definitions
- the present invention relates to a rotigotine-containing patch, and more particularly to a patch containing rotigotine and / or a pharmaceutically acceptable salt thereof.
- Rotigotine is an international general name of the compound (-)-5,6,7,8-tetrahydro-6- [propyl- [2- (2-thienyl) ethyl] -amino] 1-naphthalenol, and it is of type I and II It is described in JP-A-2011-504902 (Patent Document 1) that there is a type of crystal polymorphism.
- Rotigotine is a D1 / D2 / D3 dopamine receptor agonist and is mainly used for the treatment of symptoms of Parkinson's disease and restless legs syndrome.
- JP 2002-509878 A (patent document 2) contains a backing layer inactive to the components of the matrix and a self-adhesive matrix layer containing rotigotine, and the matrix has a solubility of rotigotine of 5 Transdermal therapeutic systems are described that are based on water-insoluble acrylate or silicone polymer adhesives that are not less than% (w / w).
- JP-A-2015-503541 includes a backing layer which is impermeable to the active substance, and a matrix layer containing particles of pressure sensitive adhesive, drug, and crosslinked polyvinyl pyrrolidone.
- a transdermal therapeutic system has been described, and rotigotine as the drug and a silicone polymer as the pressure sensitive adhesive.
- a rubber containing a support, a rosin-based resin and a rubber-based adhesive component JP-A-2013-079220 describes a percutaneous absorption-type patch preparation including a pressure-sensitive adhesive and a drug-containing layer containing rotigotine or a pharmaceutically acceptable salt thereof.
- a transdermal patch is described which comprises a support, a rubber-based pressure-sensitive adhesive, rotigotine or a salt thereof, and a drug-containing layer containing an inhibitor of formation of a degradation product of rotigotine.
- rotigotine is amorphous (amorphous) type in JP-A-2006-513195 (patent document 6) and JP-A-2012-504609 (patent document 7). It is described that it is contained, and in JP-A-2013-515041 (Patent Document 8), polyvinyl pyrrolidone (non-crosslinked) is used at a specific weight ratio to rotigotine, polyvinyl pyrrolidone and an amorphous form
- a process for the stabilization of rotigotine is described which comprises the steps of providing a solid dispersion comprising rotigotine.
- JP-A-2013-510805 discloses, as a method for preventing the crystallization of a drug in a polymer film, a solvent-containing coating material to be applied for producing a polymer film, It is described to dry at a temperature at least 10 ° C. sometimes above the melting temperature of the drug present.
- JP-A-2017-515871 Patent Document 10 describes a method for producing a transdermally absorbable preparation in which rotigotine and an antioxidant are mixed at a specific weight ratio for the purpose of preventing rotigotine crystal precipitation. There is.
- Rotigotine in a Rotigotine-containing patch containing Rotigotine and / or a pharmaceutically acceptable salt thereof, Rotigotine is amorphous in the presence of Rotigotine alone or in the presence of polyvinylpyrrolidone.
- the amorphous form When it is contained in (amorphous) form, the amorphous form is in the state of energetically metastable system, and there is a possibility that crystals may be precipitated by transitioning to an energetically more stable crystal form with time.
- the manufacturing method including specific conditions and steps as described in Patent Document 9 is complicated and may increase the manufacturing cost, and an antioxidant as described in Patent Document 10 is simply used. However, there was a problem that sufficient rotigotine skin permeability may not be achieved.
- Rotigotine-containing patch comprising a support layer and a pressure-sensitive adhesive layer
- it has been conventionally used in combination with rotigotine as a pressure-sensitive adhesive base to be contained in the pressure-sensitive adhesive layer.
- rotigotine and / or its pharmaceutically acceptable salt does not dissolve, or Even if it is temporarily dissolved, crystals derived from rotigotine and / or its pharmaceutically acceptable salt precipitate with time, so that rotigotine and / or its pharmaceutically acceptable salt is dissolved.
- the pressure-sensitive adhesive layer Even if a conventional silicone-based adhesive base or acrylic adhesive is used, or even if a rubber-based adhesive such as polyisobutylene is simply used, rotigotine and / or its pharmaceutically acceptable salt does not dissolve, or Even if it is temporarily dissolved, crystals derived from rotigotine and / or its pharmaceutically acceptable salt precipitate with time, so that rotigotine and / or its pharmaceutically acceptable salt is dissolved.
- the present inventors have also found that the use of a solubilizer or the like that is conventionally known to have the function of dissolving crystals in order to dissolve such crystals causes a problem that the skin permeability of rotigotine decreases. Found.
- the present invention has been made in view of the above problems, and contains rotigotine and / or a pharmaceutically acceptable salt thereof in a soluble form in the pressure-sensitive adhesive layer, and improves the temporal stability and the skin permeability of rotigotine. It aims to provide an excellent patch.
- the adhesive layer comprises rotigotine and a pharmaceutically acceptable salt thereof.
- rotigotine and / or a pharmaceutically acceptable salt thereof Selected from the group consisting of at least one selected from the following (hereinafter sometimes referred to as “rotigotine and / or a pharmaceutically acceptable salt thereof"), a styrenic thermoplastic elastomer, a petroleum based resin and a terpene based resin At least one (hereinafter sometimes referred to as “petroleum-based resin and / or terpene-based resin”), an aliphatic alcohol, and cross-linked polyvinyl pyrrolidone, and further, rotigotine and / or its pharmaceutically acceptable
- blend ratio mass ratio
- the present inventors also achieve high skin permeability of Rotigotine, and furthermore, Rotigotine and / or its pharmacologically even after a long period of production. It has been found that the above-mentioned excellent skin permeability and formulation physical properties are maintained and stability over time is exhibited because crystals of an acceptable salt do not precipitate, and the present invention has been completed.
- the rotigotine-containing patch of the present invention is a rotigotine-containing patch comprising a support layer and a pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer contains rotigotine and / or a pharmaceutically acceptable salt thereof.
- the pressure-sensitive adhesive layer further contains a styrene-based thermoplastic elastomer, a petroleum-based resin and / or a terpene-based resin, an aliphatic alcohol, and cross-linked polyvinyl pyrrolidone, and
- a styrene-based thermoplastic elastomer a petroleum-based resin and / or a terpene-based resin, an aliphatic alcohol, and cross-linked polyvinyl pyrrolidone
- Rotigotine free content of salt is 10: 3 to 1: 3, It is characterized by
- the pressure-sensitive adhesive layer preferably contains rotigotine and / or a pharmaceutically acceptable salt thereof in a soluble form.
- the aliphatic alcohol preferably has 12 to 23 carbon atoms.
- the content of rotigotine and / or a pharmaceutically acceptable salt thereof in the pressure-sensitive adhesive layer in terms of free rotigotine is 5 with respect to the total mass of the pressure-sensitive adhesive layer.
- the content of the petroleum-based resin and / or the terpene-based resin in the pressure-sensitive adhesive layer is preferably 5 to 80% by mass with respect to the total mass of the pressure-sensitive adhesive layer.
- the content of the aliphatic alcohol in the pressure-sensitive adhesive layer is preferably 1 to 15% by mass with respect to the total mass of the pressure-sensitive adhesive layer.
- the pressure-sensitive adhesive layer preferably further contains a stabilizer.
- the “dissolvable” drug means that the drug is molecularly diffused in the adhesive layer at room temperature (25 ° C.).
- the fact that the drug is in a soluble form can be confirmed by the fact that a differential scanning calorimetry (DSC) does not observe an endothermic melting point peak derived from crystals and a baseline shift due to a glass transition derived from an amorphous substance.
- DSC differential scanning calorimetry
- the endothermic melting point peak is measured by heating the crystal of the drug from 10 ° C. to 120 ° C.
- thermogram obtained by carrying out, for example, as shown in FIGS. 1 and 2, around 78.degree. C. when the crystal of rotigotine free form is type I (FIG. 1).
- FIGS. 1 and 2 show the peak observed in the thermogram obtained by carrying out, for example, as shown in FIGS. 1 and 2, around 78.degree. C. when the crystal of rotigotine free form is type I (FIG. 1).
- an endothermic melting point peak is observed around 97 ° C. (FIG. 2).
- the shift of the baseline due to the glass transition is achieved by heating the amorphous drug at 10 ° C./min from 10 ° C. to 120 ° C. using a differential scanning calorimeter and performing DSC measurement.
- thermogram It can be determined from the baseline shift observed in the resulting thermogram. Also, for example, when the drug is rotigotine hydrochloride, the shift of the endothermic melting point peak and the baseline due to the glass transition is the same as described above except that the heating temperature is from 10 ° C. to 190 ° C. It can be determined from the peak observed in the thermogram obtained by performing the measurement.
- a rotigotine-containing patch which contains rotigotine and / or a pharmaceutically acceptable salt thereof in a soluble form in an adhesive layer and is excellent in temporal stability and skin permeability of rotigotine. It is possible to
- the rotigotine-containing patch of the present invention is a patch comprising a support layer and an adhesive layer, wherein the adhesive layer contains rotigotine and / or a pharmaceutically acceptable salt thereof.
- the pressure-sensitive adhesive layer further contains a styrene-based thermoplastic elastomer, a petroleum-based resin and / or a terpene-based resin, an aliphatic alcohol, and cross-linked polyvinyl pyrrolidone, and In the pressure-sensitive adhesive layer, the mass ratio of rotigotine and / or a pharmaceutically acceptable salt thereof converted to rotigotine free body to the content of crosslinked polyvinylpyrrolidone (rotigotine and / or pharmaceutically acceptable thereof)
- the patch is a patch wherein the content of rotigotine free form in the salt: cross-linked polyvinyl pyrrolidone content) is 10: 3 to 1: 3.
- the rotigotine-containing patch of the present invention comprises a support layer and an adhesive layer.
- the support layer is not particularly limited as long as it can support the below-described pressure-sensitive adhesive layer, and any known support layer for patches can be appropriately adopted.
- Examples of the material of the support layer according to the present invention include polyolefins such as polyethylene and polypropylene; ethylene-vinyl acetate copolymer, vinyl acetate-vinyl chloride copolymer, polyvinyl chloride and the like; polyamides such as nylon; polyethylene terephthalate (PET), polyesters such as polybutylene terephthalate and polyethylene naphthalate; cellulose derivatives; synthetic resins such as polyurethane; and metals such as aluminum.
- PET polyethylene terephthalate
- polyesters such as polybutylene terephthalate and polyethylene naphthalate
- synthetic resins such as polyurethane
- metals such as aluminum.
- polyester and polyethylene terephthalate are preferable from the viewpoints of drug non-adsorbability and drug non-permeability.
- the form of the support layer include films; sheets such as sheets, sheet-like porous bodies and sheet-like foams; fabrics such as woven fabrics, knitted fabrics and non-woven fabrics; foils; and laminates of these.
- the thickness of the support layer is not particularly limited, but it is preferably in the range of 5 to 1000 ⁇ m from the viewpoint of workability and manufacturability at the time of attaching a patch.
- the rotigotine-containing patch of the present invention may further comprise a release liner on the side of the pressure-sensitive adhesive layer opposite to the support layer.
- release liners include polyolefins such as polyethylene and polypropylene; ethylene-vinyl acetate copolymer, vinyl acetate-vinyl chloride copolymer, polyvinyl chloride etc .; polyamides such as nylon; polyesters such as polyethylene terephthalate; cellulose derivatives; polyurethane And films and sheets made of materials such as aluminum and paper, and laminates of these.
- release liners the surface on the side in contact with the pressure-sensitive adhesive layer is subjected to a release treatment such as a silicone-containing compound coat or a fluorine-containing compound coat so as to be easily peeled off from the pressure-sensitive adhesive layer. Is preferred.
- the pressure-sensitive adhesive layer according to the present invention contains at least one member selected from the group consisting of rotigotine and pharmaceutically acceptable salts thereof as a drug.
- the form of rotigotine contained in the pressure-sensitive adhesive layer may be a free form (free form) or a pharmaceutically acceptable salt thereof, which is produced and / or produced.
- the pharmaceutically acceptable salt of rotigotine may be desalted into a free form in the preparation, or one or a mixture of two or more of them may be used.
- Pharmaceutically acceptable salts of rotigotine include acid addition salts, and acids of the acid addition salts include, for example, hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, phosphorous acid, hydrobromic acid, maleic acid And malic acid, ascorbic acid, tartaric acid, lauric acid, stearic acid, palmitic acid, oleic acid, myristic acid, lauryl sulfuric acid, linolenic acid and fumaric acid.
- acids of the acid addition salts include, for example, hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid, phosphorous acid, hydrobromic acid, maleic acid And malic acid, ascorbic acid, tartaric acid, lauric acid, stearic acid, palmitic acid, oleic acid, myristic acid, lauryl sulfuric acid, linolenic acid and fumaric acid.
- acids of the acid addition salts include, for example, hydrochloric
- the content of rotigotine and / or a pharmaceutically acceptable salt thereof contained in the pressure-sensitive adhesive layer is preferably 5 to 15% by mass with respect to the total mass of the pressure-sensitive adhesive layer in rotigotine free substance calculation, and It is more preferably 12% by mass, and still more preferably 8 to 10% by mass.
- the skin permeability of rotigotine tends to decrease, while if the content exceeds the upper limit, rotigotine and / or its pharmacologically It tends to precipitate crystals of a salt acceptable to the above, to form an amorphous form, and to lower the adhesion of the pressure-sensitive adhesive layer.
- the pressure-sensitive adhesive layer according to the present invention contains a styrene-based thermoplastic elastomer as a pressure-sensitive adhesive base.
- styrenic thermoplastic elastomer is contained in the pressure-sensitive adhesive layer in the constitution of the present invention, in particular, rotigotine and / or a pharmaceutically acceptable salt thereof may be contained in the pressure-sensitive adhesive layer more stably in a soluble form. It becomes possible.
- the styrenic thermoplastic elastomer according to the present invention is a styrenic elastomer which is softened to exhibit fluidity when heat is applied, and thermoplastic which returns to a rubbery elastic body when cooled.
- styrenic block copolymers are preferable from the viewpoint of sufficient tackiness and temporal stability.
- styrene-based block copolymer examples include styrene-butadiene block copolymer, styrene-butadiene-styrene block copolymer (SBS), styrene-isoprene block copolymer, and styrene-isoprene-styrene block.
- SBS styrene-butadiene block copolymer
- SBS styrene-butadiene-styrene block copolymer
- styrene-isoprene block copolymer examples include styrene-isoprene block copolymer, and styrene-isoprene-styrene block.
- SIS styrene-ethylene / butylene block copolymer
- styrene-ethylene / butylene-styrene block copolymer styrene-ethylene / propylene block copolymer
- styrene-ethylene / propylene-styrene block copolymer styrene-ethylene / propylene-styrene block copolymer
- styrene-isobutylene block copolymers styrene-isobutylene-styrene block copolymers and the like, and one of these may be used alone, or two or more may be used in combination.
- ethylene / butylene represents a copolymer block of ethylene and butylene
- ethylene / propylene represents a copolymer block of ethylene and propylene
- the styrene-based thermoplastic elastomer according to the present invention is more preferably a styrene-isoprene-styrene block copolymer.
- the styrene-isoprene-styrene block copolymer preferably has a viscosity average molecular weight of 30,000 to 2,500,000, and more preferably 100,000 to 1,700,000. If the viscosity average molecular weight is less than the lower limit, the formulation physical properties of the patch (particularly the cohesion of the pressure-sensitive adhesive layer) tend to decrease, and if it exceeds the upper limit, it is contained in the pressure-sensitive adhesive layer The compatibility with other ingredients tends to be reduced, making it difficult to produce a patch.
- the content of the styrene-based thermoplastic elastomer contained in the pressure-sensitive adhesive layer is preferably 5 to 50% by mass, based on the total mass of the pressure-sensitive adhesive layer, and 10 to 40% by mass. %, More preferably 10 to 30% by mass. If the content of the styrenic thermoplastic elastomer is less than the lower limit, the cohesion and shape retention of the pressure-sensitive adhesive layer tend to be lowered, while if the content exceeds the upper limit, the cohesion of the pressure-sensitive adhesive layer is Excessive increase tends to reduce the adhesion or compatibility of the pressure-sensitive adhesive layer.
- the pressure-sensitive adhesive layer according to the present invention further contains at least one selected from the group consisting of petroleum resins and terpene resins.
- the inclusion of the petroleum-based resin and / or the terpene-based resin achieves a high level of skin permeability, further suppresses the formation of rotigotine analogues, and further improves the temporal stability. .
- Examples of the petroleum-based resin according to the present invention include C5-based synthetic petroleum resins (copolymers of at least two of isoprene, cyclopentadiene, 1,3-pentadiene, and 1-pentene; 2-pentene and dicyclo) Copolymers of at least two of pentadienes; resins based on 1,3-pentadiene, etc., C9 synthetic petroleum resins (cohesion of at least two of indene, styrene, methyl indene, and ⁇ -methyl styrene) And the like, and synthetic cyclopentadiene-based petroleum resins (copolymers with isoprene and / or 1,3-pentadiene mainly composed of dicyclopentadiene).
- alicyclic petroleum resin alicyclic saturated hydrocarbon resin etc.
- alicyclic hydrogenated petroleum resin aliphatic petroleum resin (aliphatic hydrocarbon resin etc.)
- aliphatic hydrogenated petroleum resins and aromatic petroleum resins More specifically, Alcon P-70, Alcon P-85, Alcon P-90, Alcon P-100, Alcon P-115, Alcon P-125 (trade name, manufactured by Arakawa Chemical Industry Co., Ltd.), Escolets 8000 (trade name, manufactured by Esso Petrochemical Co., Ltd.).
- petroleum resin which concerns on this invention you may use individually by 1 type in these, or you may use it in combination of 2 or more type.
- alicyclic saturated hydrocarbon is preferable from the viewpoint that it is easy to obtain suitable adhesion to the skin, the feeling of use is good because there is little odor etc., and the formation of the analogue of rotigotine is further suppressed. It is more preferable that it is a resin.
- the alicyclic saturated hydrocarbon resin refers to a resin which is a homopolymer or copolymer of an alicyclic saturated hydrocarbon monomer.
- the weight average molecular weight of the alicyclic saturated hydrocarbon resin is preferably 1,000 to 1,500, and more preferably 1,200 to 1,400.
- terpene resin As the terpene resin according to the present invention, for example, pinene polymer ( ⁇ -pinene polymer, ⁇ -pinene polymer, etc.), terpene polymer, dipentene polymer, terpene-phenol polymer, aromatic modified terpene polymer And pinene-phenol copolymers, and more specifically, YS resin (YS resin PXN (1150N, 300N), YS resin PX1000, YS resin TO125, YS resin TO105, etc.), Clearon P105, Clearon M115, Clearon K100 (above, trade name, made by Yasuhara Chemical Co., Ltd.), Tamanor 901 (trade name, made by Arakawa Chemical Industry Co., Ltd.) may be mentioned, and even if one of them is used alone, it is possible to combine two or more kinds You may use.
- the terpene resin according to the present invention is more preferably a pinene polymer from the viewpoint of being able
- the content of the petroleum-based resin and / or the terpene-based resin contained in the pressure-sensitive adhesive layer (the content of the petroleum-based resin or the terpene-based resin, or when both are contained)
- the total content thereof is preferably 5 to 80% by mass, more preferably 10 to 70% by mass, and further preferably 10 to 60% by mass, based on the total mass of the pressure-sensitive adhesive layer. Is more preferably 20 to 60% by mass.
- the content of the petroleum-based resin and / or terpene-based resin is less than the above lower limit, the adhesion of the pressure-sensitive adhesive layer or the adhesion to the skin may be reduced, and the formation inhibitory effect of rotigotine analogue is sufficiently exerted.
- the above upper limit is exceeded, the percutaneous absorbability of the drug and the shape retention of the pressure-sensitive adhesive layer tend to be reduced.
- the pressure-sensitive adhesive layer according to the present invention further contains an aliphatic alcohol.
- the aliphatic alcohol refers to a saturated or unsaturated, linear or branched, monovalent or divalent or higher aliphatic alcohol.
- the aliphatic alcohol according to the present invention is preferably monovalent.
- the carbon number of the aliphatic alcohol according to the present invention is preferably 3 to 23, more preferably 12 to 23, and further preferably 17 to 23 from the viewpoint of the temporal stability. It is preferably 19 to 21 and particularly preferably 12 to 20 from the viewpoint of skin permeability. If the carbon number of the aliphatic alcohol is less than the lower limit, it is difficult to keep the content constant in the preparation because the boiling point is low, and the temporal stability tends to decrease, and on the other hand, the upper limit If the value is more than the above, the compatibility with the adhesive base and other components tends to be reduced.
- Examples of the aliphatic alcohol according to the present invention include isopropanol, hexyl alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, octyl dodecanol, oleyl alcohol, linolenyl alcohol and hexyl decanol.
- One of these may be used alone or two or more may be used in combination.
- octyldodecanol and lauryl as aliphatic alcohols according to the present invention from the viewpoint of tending to particularly improve the skin permeability of rotigotine, in addition to the above-mentioned temporal stability and compatibility. It is particularly preferable that it is at least one selected from the group consisting of alcohols.
- the content of the aliphatic alcohol contained in the pressure-sensitive adhesive layer is 1 to 15% by mass with respect to the total mass of the pressure-sensitive adhesive layer in total in the case of two or more types. It is preferably 1 to 10% by mass, more preferably 2 to 7% by mass, and particularly preferably 3 to 7% by mass.
- the content of the aliphatic alcohol is less than the lower limit, the skin permeability of rotigotine tends to decrease, and when the content exceeds the upper limit, the compatibility with the adhesive base and other components decreases. There is a tendency.
- the pressure-sensitive adhesive layer according to the present invention further contains crosslinked polyvinyl pyrrolidone (also referred to as “crosslinked PVP” or “crospovidone”).
- crosslinked PVP also referred to as “crosslinked PVP” or “crospovidone”.
- Cross-linked polyvinyl pyrrolidones include cross-linked N-vinyl pyrrolidone polymers.
- the N-vinylpyrrolidone polymer may be a homopolymer or a copolymer, for example, a homopolymer of N-vinylpyrrolidone or a copolymer of N-vinylpyrrolidone and a polyfunctional monomer It can be mentioned.
- the crosslinked polyvinyl pyrrolidone according to the present invention is preferably a crosslinked homopolymer of 1-vinyl-2-pyrrolidone (also referred to as “crospovidone”).
- crospovidone commercially available products such as Kollidon CL, Kollidon CL-M (manufactured by BASF Japan Ltd.); Polyplasdone XL, Polyplasdone XL-10, Polyplasdone INF-10 (manufactured by ISP Japan Ltd.) May be used.
- the content of the cross-linked polyvinyl pyrrolidone contained in the pressure-sensitive adhesive layer is a mass ratio to the content of the rotigotine and / or a pharmaceutically acceptable salt thereof (rotigotine and / or a pharmaceutical thereof) It is necessary that the content of rotigotine in free form: a content of cross-linked polyvinyl pyrrolidone) of an acceptable salt thereof is 10: 3 to 1: 3.
- the content of the cross-linked polyvinyl pyrrolidone relative to the rotigotine and / or the pharmaceutically acceptable salt thereof is less than the lower limit, crystals of rotigotine and / or a pharmaceutically acceptable salt thereof precipitate.
- the mass ratio (rotigotine free content of rotigotine and / or a pharmaceutically acceptable salt thereof: crosslinked polyvinyl pyrrolidone content), from the viewpoint of being more excellent in temporal stability and skin permeability of rotigotine, The ratio is preferably 10: 3 to 1: 2.5, and more preferably 10: 3 to 1: 2.
- the content of the crosslinked polyvinyl pyrrolidone contained in the pressure-sensitive adhesive layer is preferably 3 to 25% by mass, and more preferably 3 to 20% by mass, with respect to the total mass of the pressure-sensitive adhesive layer. More preferably, it is 3 to 15% by mass. If the content of the cross-linked polyvinyl pyrrolidone is less than the lower limit, crystals of rotigotine and / or a pharmaceutically acceptable salt thereof tend to precipitate, while if the content exceeds the upper limit, the pressure-sensitive adhesive layer is produced at the time of production The compatibility of the composition tends to be reduced and production becomes difficult.
- other drugs other than rotigotine and pharmaceutically acceptable salts thereof as long as the effects of the present invention are not inhibited;
- other pressure-sensitive adhesive bases other than the above-mentioned styrenic thermoplastic elastomer Tackifiers; absorption accelerators; additives such as adsorbents, demineralizers, plasticizers, solubilizers, fillers, stabilizers, preservatives and the like may be further contained.
- Other drugs besides rotigotine and pharmaceutically acceptable salts thereof include, for example, non-steroidal anti-inflammatory analgesics (diclofenac, indomethacin, ketoprofen, felbinac, loxoprofen, ibuprofen, flurbiprofen, tiaprofen, acemetacin, sulindac) , Etodolac, tolmetin, piroxicam, meloxicam, anpiroxicam, naproxen, azapropazone, methyl salicylate, glycol salicylate, valdecoxib, celecoxib, celecoxib, rofecoxib, anfenac etc., antipyretic analgesics (acetaminophen etc.), antihistamines (diphenhydramine, chlorpheniramine, etc.) Mequitazine, homochlorcyclozine, etc., antihypertensive agents (diltiaze), azine
- the content thereof is, in the case of two or more, in total, 10 with respect to the total mass of the pressure-sensitive adhesive layer. It is preferable that it is mass% or less.
- the adhesive base other than the styrene-based thermoplastic elastomer examples include, for example, rubber-based adhesive bases other than the styrene-based thermoplastic elastomer, acrylic adhesive bases, and silicone-based adhesive bases. One of them may be used alone, or two or more may be used in combination.
- Examples of the rubber-based pressure-sensitive adhesive base other than the styrene-based thermoplastic elastomer include isoprene rubber, polyisobutylene (PIB), polybutene and the like, and even if one of them is used alone, it is used in combination of two or more May be Among these, polyisobutylene is preferable from the viewpoint of improving the adhesiveness and cohesion of the pressure-sensitive adhesive layer, and in this case, a styrene-based thermoplastic elastomer (more preferably a styrene-isoprene-styrene block)
- the mass ratio of copolymer (copolymer) to polyisobutylene is 1: 2 to 30: 1 (more preferably in the range of 1: 1 to 10: 1) More preferable.
- acrylic adhesive base acrylic acid / acrylic acid octyl ester copolymer, acrylic acid 2-ethylhexyl vinyl, which is listed as a pressure-sensitive adhesive in “Pharmaceutical Additive Dictionary 2016 (Edited by Japan Pharmaceutical Additives Association)” Pyrrolidone copolymer, acrylic ester / vinyl acetate copolymer, 2-ethylhexyl acrylate / 2-ethylhexyl methacrylate / dodecyl methacrylate copolymer, methyl acrylate / 2-ethylhexyl acrylate copolymer resin, 2-ethylhexyl acrylate ⁇ Methyl acrylate ⁇ Acrylic acid ⁇ Glycidyl methacrylate copolymer, 2-ethylhexyl acrylate ⁇ Vinyl acetate ⁇ Hydroxyethyl acrylate ⁇ glycidyl methacrylate copo
- silicone-based adhesive base examples include polydimethylsiloxane (a polymer represented by MQ in the representation by ASTMD-1418), polymethylvinylsiloxane (a polymer represented by VMQ in the representation by ASTMD-1418), polymethyl methacrylate
- silicone-based adhesive base examples include polydimethylsiloxane (a polymer represented by MQ in the representation by ASTMD-1418), polymethylvinylsiloxane (a polymer represented by VMQ in the representation by ASTMD-1418), polymethyl methacrylate
- phenyl siloxane a polymer represented as PVMQ in the indication by ASTMD-1418
- the content thereof in the case of two or more, in total, is 10% by mass or less based on the total mass of the adhesive layer. Is preferred.
- the tackifier is blended mainly for the purpose of enhancing the tackiness of the adhesive base.
- the tackifier include tackifying resins other than the petroleum resin and terpene resin, such as rosin resin, phenol resin and xylene resin, and one of them may be used alone. Two or more may be used in combination.
- the content is at most 10% by mass with respect to the total mass of the pressure-sensitive adhesive layer as a total of two or more. Is preferred.
- absorption enhancer examples include those having a transdermal absorption promoting action of a drug other than the aliphatic alcohol, and examples thereof include a fatty acid having 6 to 20 carbon atoms, a fatty acid ester, a fatty acid amide, or a fatty alcohol ether; Organic acids; aromatic organic acid esters or ethers; POE hydrogenated castor oils; lecithins; phospholipids; soybean oil derivatives; triacetin, one of which may be used alone 2 You may use combining a seed or more.
- the content thereof is at most 10% by mass with respect to the total mass of the pressure-sensitive adhesive layer in total in the case of two or more types. Is preferred.
- adsorbent examples include inorganic and / or organic substances having hygroscopicity, and more specifically, minerals such as talc, kaolin, bentonite, fumed silica (Aerosil (registered trademark), etc.), hydrous silica Silicon compounds such as: metal compounds such as zinc oxide and dry aluminum hydroxide gel; weak acids such as lactic acid and acetic acid; sugars such as dextrin; polyvinylpyrrolidone (non-crosslinked PVP), aminoalkyl methacrylate copolymer, carboxyvinyl polymer and butyl methacrylate methyl Polymeric polymers such as methacrylate copolymers may be mentioned, and one of these may be used alone, or two or more may be used in combination.
- minerals such as talc, kaolin, bentonite, fumed silica (Aerosil (registered trademark), etc.
- hydrous silica Silicon compounds such as: metal compounds such as zinc oxide and dry aluminum hydrox
- adsorbents when these adsorbents are further contained in the pressure-sensitive adhesive layer, in the case where the content thereof is two or more, in total, 10 mass based on the total mass of the pressure-sensitive adhesive layer It is preferable that it is% or less.
- the desalting agent is formulated mainly for the purpose of converting all or part of the basic drug into a free form.
- a desalting agent is not particularly limited, and for example, it may be a basic substance when an acid addition salt of a drug is incorporated as the drug to obtain a preparation containing a free drug.
- the metal ion-containing desalting agent and the basic nitrogen atom-containing desalting agent are more preferable.
- the metal ion-containing desalting agent include sodium acetate (including anhydrous sodium acetate), sodium hydroxide, potassium hydroxide, magnesium hydroxide, sodium hydrogencarbonate, potassium hydrogencarbonate, sodium citrate, sodium lactate and the like.
- the pressure-sensitive adhesive layer according to the present invention further contains a compound derived from the basic drug and the desalting agent (for example, sodium hydrochloride in the case of combining rotigotine hydrochloride and sodium acetate) It is also good.
- a compound derived from the basic drug and the desalting agent for example, sodium hydrochloride in the case of combining rotigotine hydrochloride and sodium acetate
- the content thereof is two or more. It is preferable that it is 10 mass% or less with respect to the total mass of the said adhesive layer in total.
- plasticizer is blended mainly for the purpose of adjusting the adhesion properties of the pressure-sensitive adhesive layer, the flow characteristics in the production of the pressure-sensitive adhesive layer, the percutaneous absorption characteristics of the drug, and the like.
- plasticizers include, for example, silicone oils; petroleum oils such as paraffinic process oils, naphthenic process oils and aromatic process oils; squalane, squalene; olive oil, camellia oil, castor oil, tall oil and peanut oil Etc .; dibasic acid esters such as dibutyl phthalate and dioctyl phthalate; liquid rubbers such as polybutene and liquid isoprene rubber; diethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol, etc.
- plasticizers are further contained in the above-mentioned pressure-sensitive adhesive layer, the content thereof is, if it is two or more, in total, improvement in adhesion of the pressure-sensitive adhesive layer and / or peeling It is preferably 5 to 30% by mass, and more preferably 10 to 20% by mass, with respect to the total mass of the pressure-sensitive adhesive layer, from the viewpoint of alleviating local irritation.
- solubilizer / filler examples include organic acids such as acetic acid and surfactants, and one of these may be used alone or two or more may be used in combination.
- the filler is blended mainly for the purpose of adjusting the adhesive strength of the pressure-sensitive adhesive layer, and examples of the filler include aluminum hydroxide, calcium carbonate, magnesium carbonate; aluminum silicate and magnesium silicate And silicates such as: silicic acid, barium sulfate, calcium sulfate, calcium zincate, zinc oxide, titanium oxide, and one of these may be used alone, or two or more may be used in combination. .
- Stabilizer for example, ascorbic acid or metal salt or ester thereof (preferably, sodium salt, palmitic acid ester), isoascorbic acid or metal salt thereof (preferably sodium salt), ethylenediaminetetraacetic acid or metal thereof Salts (preferably calcium disodium salt, tetrasodium salt), cysteine, acetylcysteine, 2-mercaptobenzimidazole, dibutylhydroxytoluene, butylhydroxyanisole, propylgallate, pentaerythrityl-tetrakis [3- (3,5,5 -Di-t-butyl-4-hydroxyphenyl) propionate], 3-mercapto-1,2-propanediol, tocopherol acetate, thymol, soya lecithin, rutin, dihydroxybenzoic acid, dichloroisocyanurate , Quercetin, hydroquinone, hydroxymethanesulfinic acid metal
- the pressure-sensitive adhesive layer further contains the stabilizer, from the viewpoint that the temporal stability tends to further improve.
- the content of the stabilizer is preferably 0.001 to 5% by mass with respect to the total mass of the pressure-sensitive adhesive layer in total in the case of two or more types, and 0.005 The amount is more preferably 3% by mass, further preferably 0.01% by mass to 2% by mass.
- the content of the stabilizer exceeds the upper limit, physical properties such as adhesiveness of the pressure-sensitive adhesive layer may be reduced, and when the content is less than the lower limit, the stabilization effect by the stabilizer may not be sufficiently exhibited. There is a tendency.
- preservative examples include p-hydroxybenzoic acid derivatives, benzyl alcohol, phenol, cresol and the like, and one of these may be used alone or two or more may be used in combination.
- the content thereof is 40% by mass or less with respect to the total mass of the pressure-sensitive adhesive layer in total in the case of two or more types. It is preferable that it is 30 mass% or less.
- the pressure-sensitive adhesive layer according to the present invention is not particularly limited, but the weight per unit area (area of the attached surface) is preferably 20 to 200 g / m 2 , and more preferably 30 to 100 g / m 2. Preferably, it is 30 to 70 g / m 2 .
- the area of the adhesive surface of the pressure-sensitive adhesive layer according to the present invention can be appropriately adjusted according to the purpose of treatment and the application target, and is not particularly limited, but is usually in the range of 0.5 to 200 cm 2 .
- the rotigotine-containing patch of the present invention is not particularly limited, and can be produced by appropriately employing a known method for producing a patch.
- a known method for producing a patch For example, first, rotigotine and / or a pharmaceutically acceptable salt thereof, the styrenic thermoplastic elastomer, the petroleum resin and / or terpene resin, the aliphatic alcohol, the crosslinked polyvinyl pyrrolidone, and the solvent as needed.
- the above other components are kneaded according to a conventional method to obtain a uniform pressure-sensitive adhesive layer composition.
- rotigotine free form When rotigotine free form is used as the rotigotine and / or pharmaceutically acceptable salt thereof, it may be crystalline form I, crystalline form II or amorphous form thereof, It may be a mixture of at least two of crystal, type II crystal, and amorphous form.
- those dissolved in the solvent may be used as the rotigotine and / or a pharmaceutically acceptable salt thereof.
- the solvent include absolute ethanol, toluene, heptane, methanol, ethyl acetate, hexane, and a mixed solution of at least two or more of them.
- this pressure-sensitive adhesive layer composition is applied on the surface of the support layer (usually on one surface) so as to have a desired mass per unit area, and the solvent is then heated if necessary.
- the patch of the present invention can be obtained by drying and removal to form a pressure-sensitive adhesive layer and further cutting into a desired shape as required.
- the method for producing the rotigotine-containing patch of the present invention may further include the step of laminating the release liner on the surface of the pressure-sensitive adhesive layer opposite to the support layer, and the pressure-sensitive adhesive layer composition Is first applied on one side of the release liner to a desired mass per unit area to form a pressure-sensitive adhesive layer, and then the support is placed on the side of the pressure-sensitive adhesive layer opposite to the release liner.
- the patch of the present invention may be obtained by laminating layers and cutting into a desired shape as needed. Furthermore, the obtained patch may be enclosed in a storage packaging container (for example, an aluminum laminate bag) as a package, if necessary.
- the present invention will be more specifically described based on examples and comparative examples, but the present invention is not limited to the following examples.
- the skin permeation test, the evaluation of precipitation of crystals, and the differential scanning calorimetry were each performed by the method described below.
- the receptor solution is fed at a flow rate of about 5 mL / hr while circulating warm circulating water around the periphery so that the receptor solution is kept at 32 ° C., and the receptor solution is collected every two hours for 24 hours. did.
- the amount of rotigotine skin permeation per unit area of the pressure-sensitive adhesive layer was calculated, and the amount of skin permeation per hour (skin permeation rate ( ⁇ g / cm 2 / hr)) was determined.
- the measurement was performed for each of two test samples, and the average value of the maximum value within 24 hours of each skin permeation rate was taken as the maximum skin permeation rate (Jmax).
- ⁇ Crystal precipitation evaluation> The patch obtained in each Example and Comparative Example is enclosed in an aluminum laminate bag to make a test sample, which is stored at room temperature (about 25 ° C.) for 3 days or 6 months, and the adhesive layer after storage is stored. The surface was observed visually and by an optical microscope. Precipitate state of crystals on the surface of each pressure-sensitive adhesive layer and presence or absence of particles of amorphous type are as follows: A: Neither crystal particles nor particles of amorphous type are observed by visual observation and optical microscope. B: Evaluation was made based on observation of crystal particles and / or particles of amorphous type by visual observation or optical microscope. Although evaluation was performed about two test samples, respectively, there is no difference between the two test samples obtained in each of the following examples and comparative examples, and the evaluation results are shown in the following tables.
- ⁇ Differential Scanning Calorimetry (DSC Measurement)> First, with respect to rotigotine (free form) type I crystals and type II crystals, using a differential scanning calorimeter (“Q-2000”, manufactured by TA Instruments) from 10 ° C. at a heating rate of 10 ° C./min. It heated to 120 degreeC and DSC measurement was performed. The endothermic melting point peak (melting point) was determined from the peaks observed in the obtained thermogram. As a result, it was 78.56 ° C. for type I and 97.40 ° C. for type II.
- FIG. 1 shows the DSC measurement result of rotigotine free form I crystal
- FIG. 2 shows the DSC measurement result of rotigotine free form II crystal.
- each patch is cut out immediately after production and 6 months after production (the patch is sealed in an aluminum laminate bag and stored for 6 months at room temperature (about 25 ° C.)), and a support is used using a microspater
- the pressure-sensitive adhesive layer was peeled off from the layer and sealed in a hermetic pan. This is subjected to DSC measurement while heating from 10 ° C. to 120 ° C. at a heating rate of 10 ° C./min using the differential scanning calorimeter, and endothermic melting point peaks and bases at around 78.56 ° C. and 97.4 ° C. The line shift was observed.
- thermogram obtained by DSC measurement When the endothermic melting point peak is observed in the thermogram obtained by DSC measurement, it indicates that the drug contained in the pressure-sensitive adhesive layer is a crystal, and when the shift of the baseline is observed, the adhesion It shows that the drug contained in the agent layer is in an amorphous form, and when neither is observed, it shows that the drug contained in the adhesive layer is in a completely dissolved form.
- Example 1 First, 9.0 parts by mass of rotigotine (free form), 14.5 parts by mass of styrene-isoprene-styrene block copolymer, 6.2 parts by mass of polyisobutylene, 45.7 parts by mass of alicyclic saturated hydrocarbon resin, fluid An adhesive layer composition was obtained by adding 16.6 parts by mass of paraffin, 5 parts by mass of octyl dodecanol, and 3 parts by mass of crosslinked polyvinyl pyrrolidone (crosslinked PVP) to an appropriate amount of solvent (anhydrous ethanol and toluene) and mixing. .
- solvent anhydrous ethanol and toluene
- the obtained pressure-sensitive adhesive layer composition is applied onto a release liner (a polyethylene terephthalate film subjected to mold release treatment), and the solvent is removed by drying so that the mass per unit area is 50 g / m 2.
- the adhesive layer was formed on the A support layer (polyethylene terephthalate film) was laminated on the surface of the obtained pressure-sensitive adhesive layer opposite to the release liner, to obtain a patch in which the support layer / pressure-sensitive adhesive layer / release liner was laminated in this order.
- Example 2 to 3 and Comparative Examples 1 to 3 Each patch was obtained in the same manner as Example 1 except that the composition of the pressure-sensitive adhesive layer composition was changed to the composition shown in Table 1 below.
- Example 4 Each patch was obtained in the same manner as Example 1 except that the composition of the pressure-sensitive adhesive layer composition was changed to the composition shown in Table 2 below.
- Table 2 “KE-311 (manufactured by Arakawa Chemical Industries, Ltd.)” as hydrogenated rosin ester, “Eudragit (manufactured by Evonik)” as aminoalkyl methacrylate copolymer E, and vinyl acetate / vinyl pyrrolidone copolymer
- Koridone VA-64 manufactured by BASF Corporation
- Soluplus manufactured by BASF Corporation
- the skin permeation test and the evaluation of crystal deposition were carried out on the patches obtained in Comparative Examples 4 to 11.
- the results are shown in Table 2 together with the composition (excluding the solvent) of the pressure-sensitive adhesive layer composition of each Comparative Example.
- the maximum skin permeation rate is indicated by the value when the maximum skin permeation rate in Example 3 described above is 100, and Table 2 shows the composition of the pressure-sensitive adhesive layer composition of Example 3 as a reference. Also, the results of the skin permeation test and the evaluation of crystallization are shown together.
- Table 3 shows the compositions (excluding the solvent) of the pressure-sensitive adhesive layer compositions in Reference Examples 1 to 21.
- the skin permeation test and the evaluation of precipitation of crystals (3 days after production) were carried out on the patches obtained in Reference Examples 1 to 21.
- the results are shown in Table 4 together with the absorption accelerators used in each of the reference examples.
- the drug is contained in a soluble form immediately after production in the pressure-sensitive adhesive layer, and the precipitation of crystals is preserved. It has been confirmed that a high degree of skin permeability is achieved, which is also suppressed later.
- the skin permeability of rotigotine was also significantly reduced when a hydrogenated rosin ester as a tackifier was used instead of the alicyclic saturated hydrocarbon resin (Comparative Example 4). Furthermore, it is confirmed that the skin permeability of rotigotine is greatly reduced when aliphatic alcohol is not contained (Comparative Example 1), and another absorption enhancer is used instead of aliphatic alcohol (Reference Example) 10 to 21) suggested that the skin permeability of rotigotine is reduced.
- Examples 4 to 6 Each patch was obtained in the same manner as Example 1 except that the composition of the pressure-sensitive adhesive layer composition was changed to the composition shown in Table 5 below. The skin permeation test and the evaluation of crystal deposition (after 6 months of production) were carried out for the patches obtained in Examples 4 to 6. The results are shown in Table 5 together with the composition (excluding the solvent) of the pressure-sensitive adhesive layer composition of each example.
- Examples 7 to 8 and Comparative Example 12 Each patch was obtained in the same manner as Example 1 except that the composition of the pressure-sensitive adhesive layer composition was changed to the composition shown in Table 6 below.
- Table 6 “YS resin PX1150N (manufactured by Yashara Chemical Co., Ltd.)” was used as the terpene resin, and “KE-311 (manufactured by Arakawa Chemical Co., Ltd.)” was used as the hydrogenated rosin ester.
- Example 9 to 12 Each patch was obtained in the same manner as Example 1 except that the composition of the pressure-sensitive adhesive layer composition was changed to the composition shown in Table 7 below.
- the skin permeation test and the evaluation of crystal deposition were carried out on the patches obtained in Examples 9 to 12.
- the crystal precipitation was evaluated in the same manner as in Examples 7 to 8 and Comparative Example 12 except that the storage period was 3 days.
- the results are shown in Table 7 together with the compositions (excluding the solvent) of the pressure-sensitive adhesive layer compositions of the examples.
- Example 13 to 14 Each patch was obtained in the same manner as Example 1 except that the composition of the pressure-sensitive adhesive layer composition was changed to the composition shown in Table 8 below.
- the skin permeation test and the evaluation of crystal deposition were carried out on the patches obtained in Examples 13 to 14 and the patch obtained in Example 6 described above.
- frozen human skin sections were thawed at room temperature in place of the fat-free skin pieces of the hairless mouse trunk, and after subcutaneous fat was removed, they were cut to a thickness of about 500 ⁇ m using a dermatome. Fat-free skin pieces were used.
- rotigotine and / or a pharmaceutically acceptable salt thereof is contained in a soluble form in the adhesive layer, and the stability over time and the skin permeability of rotigotine are excellent. It becomes possible to provide a rotigotine-containing patch.
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Abstract
Description
前記粘着剤層が、スチレン系熱可塑性エラストマーと、石油系樹脂及び/又はテルペン系樹脂と、脂肪族アルコールと、架橋ポリビニルピロリドンと、をさらに含有しており、かつ、
前記粘着剤層において、ロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体に換算した含有量と架橋ポリビニルピロリドンの含有量との質量比(ロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体換算含有量:架橋ポリビニルピロリドン含有量)が、10:3~1:3である、
ことを特徴とするものである。
前記粘着剤層が、スチレン系熱可塑性エラストマーと、石油系樹脂及び/又はテルペン系樹脂と、脂肪族アルコールと、架橋ポリビニルピロリドンと、をさらに含有しており、かつ、
前記粘着剤層において、ロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体に換算した含有量と架橋ポリビニルピロリドンの含有量との質量比(ロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体換算含有量:架橋ポリビニルピロリドン含有量)が、10:3~1:3である貼付剤である。
本発明に係る粘着剤層は、薬物としてロチゴチン及びその薬学的に許容される塩からなる群から選択される少なくとも1種を含有する。本発明において前記粘着剤層中に含有されるロチゴチンの形態としては、遊離体(フリー体)であってもその薬学的に許容される塩であってもよく、製造中及び/又は製造された製剤中においてロチゴチンの薬学的に許容される塩が脱塩されてフリー体となったものであってもよく、これらのうちの1種であっても2種以上の混合物であってもよい。ロチゴチンの薬学的に許容される塩としては、酸付加塩が挙げられ、前記酸付加塩の酸としては、例えば、塩酸、硫酸、硝酸、リン酸、亜リン酸、臭化水素酸、マレイン酸、リンゴ酸、アスコルビン酸、酒石酸、ラウリン酸、ステアリン酸、パルミチン酸、オレイン酸、ミリスチン酸、ラウリル硫酸、リノレン酸、フマル酸が挙げられる。これらの中でも、本発明に係る粘着剤層としては、ロチゴチンを遊離体の形態で含有していることが好ましい。
本発明に係る粘着剤層は、粘着基剤としてスチレン系熱可塑性エラストマーを含有する。本発明の構成においてスチレン系熱可塑性エラストマーを前記粘着剤層に含有させると、特に、ロチゴチン及び/又はその薬学的に許容される塩を溶解型でより安定に粘着剤層中に含有させることが可能となる。
本発明に係る粘着剤層は、石油系樹脂及びテルペン系樹脂からなる群から選択される少なくとも1種をさらに含有する。本発明においては、前記石油系樹脂及び/又はテルペン系樹脂を含有することによって高水準の皮膚透過性が達成され、さらに、ロチゴチンの類縁物質の生成がより抑制され、経時安定性がより向上する。
本発明に係る石油系樹脂としては、例えば、C5系合成石油樹脂(イソプレン、シクロペンタジエン、1,3-ペンタジエン、及び1-ペンテンのうちの少なくとも2種の共重合体;2-ペンテン及びジシクロペンタジエンのうちの少なくとも2種の共重合体;1,3-ペンタジエン主体の樹脂等)、C9系合成石油樹脂(インデン、スチレン、メチルインデン、及びα-メチルスチレンのうちの少なくとも2種の共重合体等)、ジシクロペンタジエン系合成石油樹脂(ジシクロペンタジエンを主体とするイソプレン及び/又は1,3-ペンタジエンとの共重合体)が挙げられる。また、別の分類の観点から、例えば、脂環族系石油樹脂(脂環族飽和炭化水素樹脂等)、脂環族系水添石油樹脂、脂肪族系石油樹脂(脂肪族炭化水素樹脂等)、脂肪族系水添石油樹脂、芳香族系石油樹脂が挙げられ、より具体的には、アルコンP-70、アルコンP-85、アルコンP-90、アルコンP-100、アルコンP-115、アルコンP-125(以上、商品名、荒川化学工業株式会社製)、エスコレッツ8000(商品名、エッソ石油化学株式会社製)が挙げられる。本発明に係る石油系樹脂としては、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。これらの中でも、皮膚に対する好適な付着性が得られ易い、臭い等が少ないため使用感が良好である、またロチゴチンの類縁物質の生成がより抑制される、といった観点から、脂環族飽和炭化水素樹脂であることがより好ましい。
本発明に係るテルペン系樹脂としては、例えば、ピネン重合体(α-ピネン重合体、β-ピネン重合体等)、テルペン重合体、ジペンテン重合体、テルペン-フェノール重合体、芳香族変性テルペン重合体、ピネン-フェノール共重合体が挙げられ、より具体的には、YSレジン(YSレジンPXN(1150N、300N)、YSレジンPX1000、YSレジンTO125、YSレジンTO105等)、クリアロンP105、クリアロンM115、クリアロンK100(以上、商品名、ヤスハラケミカル株式会社製)、タマノル901(商品名、荒川化学工業株式会社製商品名)が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。これらの中でも、本発明に係るテルペン系樹脂としては、皮膚に対する好適な付着性が得られ易い、臭い等が少ないため使用感が良好であるという観点から、ピネン重合体であることがより好ましい。
本発明に係る粘着剤層は、脂肪族アルコールをさらに含有する。本発明において、脂肪族アルコールとは、飽和又は不飽和の、直鎖状又は分岐鎖状の、1価又は2価以上の脂肪族アルコールのことをいう。
本発明に係る粘着剤層は、架橋ポリビニルピロリドン(「架橋PVP」、「クロスポビドン」ともいう)をさらに含有する。
本発明に係る粘着剤層としては、本発明の効果を阻害しない範囲内において、ロチゴチン及びその薬学的に許容される塩以外の他の薬物;前記スチレン系熱可塑性エラストマー以外の他の粘着基剤;粘着付与剤;吸収促進剤;吸着剤、脱塩剤、可塑剤、溶解剤、充填剤、安定化剤、保存剤等の添加剤をさらに含有していてもよい。
前記ロチゴチン及びその薬学的に許容される塩以外の他の薬物としては、例えば、非ステロイド性消炎鎮痛剤(ジクロフェナク、インドメタシン、ケトプロフェン、フェルビナク、ロキソプロフェン、イブプロフェン、フルルビプロフェン、チアプロフェン、アセメタシン、スリンダク、エトドラク、トルメチン、ピロキシカム、メロキシカム、アンピロキシカム、ナプロキセン、アザプロパゾン、サリチル酸メチル、サリチル酸グリコール、バルデコキシブ、セレコキシブ、ロフェコキシブ、アンフェナク等)、解熱鎮痛薬(アセトアミノフェン等)、抗ヒスタミン剤(ジフェンヒドラミン、クロルフェニラミン、メキタジン、ホモクロルシクロジン等)、降圧剤(ジルチアゼム、ニカルジピン、ニルバジピン、メトプロロール、ビソプロロール、トランドラプリル等)、抗パーキンソン剤(ぺルゴリド、ロピニロール、ブロモクリプチン、セレギリン等)、気管支拡張剤(ツロブテロール、イソプレテノロール、サルブタモール等)、抗アレルギー剤(ケトチフェン、ロラタジン、アゼラスチン、テルフェナジン、セチリジン、アシタザノラスト等)、局所麻酔剤(リドカイン、ジブカイン等)、神経障害性疼痛治療薬(プレガバリン等)、非麻薬性鎮痛薬(ブプレノルフィン、トラマドール、ペンタゾシン)、麻酔系鎮痛剤(モルヒネ、オキシコドン、フェンタニル等)、泌尿器官用剤(オキシブチニン、タムスロシン等)、精神神経用剤(プロマジン、クロルプロマジン等)、ステロイドホルモン剤(エストラジオール、プロゲステロン、ノルエチステロン、コルチゾン、ヒドロコルチゾン等)、抗うつ剤(セルトラリン、フルオキセチン、パロキセチン、シタロプラム等)、抗痴呆薬(ドネペジル、リバスチグミン、ガランタミン等)、抗精神病薬(リスペリドン、オランザピン等)、中枢神経興奮剤(メチルフェニデート等)、骨粗しょう症治療薬(ラロキシフェン、アレンドロネート等)、乳がん予防薬(タモキシフェン等)、抗肥満薬(マジンドール、ジブトラミン等)、不眠症改善薬(メラトニン等)、抗リウマチ薬(アクタリット等)が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。
前記スチレン系熱可塑性エラストマー以外の他の粘着基剤としては、例えば、前記スチレン系熱可塑性エラストマー以外のゴム系粘着基剤、アクリル系粘着基剤、及びシリコーン系粘着基剤が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。
前記粘着付与剤は、主に前記粘着基剤の粘着性を高めることを目的として配合される。前記粘着付与剤としては、前記石油系樹脂及びテルペン系樹脂以外の粘着付与樹脂、例えば、ロジン系樹脂、フェノール系樹脂及びキシレン系樹脂が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。本発明において、これらの粘着付与剤がさらに含有される場合、その含有量としては、2種以上である場合には合計で、前記粘着剤層の全質量に対して10質量%以下であることが好ましい。
前記吸収促進剤としては、前記脂肪族アルコール以外の薬物の経皮吸収促進作用を有するものが挙げられ、例えば、炭素数6~20の脂肪酸、脂肪酸エステル、脂肪酸アミド、又は脂肪族アルコールエーテル;芳香族有機酸;芳香族アルコール;芳香族有機酸エステル又はエーテル;POE硬化ヒマシ油類;レシチン類;リン脂質;大豆油誘導体;トリアセチンが挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。本発明において、これらの吸収促進剤がさらに含有される場合、その含有量としては、2種以上である場合には合計で、前記粘着剤層の全質量に対して10質量%以下であることが好ましい。
〔吸着剤〕
前記吸着剤としては、吸湿性を有する無機及び/又は有機の物質が挙げられ、より具体的には、タルク、カオリン、ベントナイト等の鉱物;フュームドシリカ(アエロジル(登録商標)等)、含水シリカ等のケイ素化合物;酸化亜鉛、乾燥水酸化アルミニウムゲル等の金属化合物;乳酸、酢酸等の弱酸;デキストリン等の糖;ポリビニルピロリドン(非架橋PVP)、アミノアルキルメタクリレートコポリマー、カルボキシビニルポリマー及びブチルメタクリレートメチルメタクリレートコポリマー等の高分子ポリマーが挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。本発明において、これらの吸着剤が前記粘着剤層中にさらに含有される場合、その含有量としては、2種以上である場合には合計で、前記粘着剤層の全質量に対して10質量%以下であることが好ましい。
前記脱塩剤は、主に塩基性薬物の全部又は一部を遊離体に変換することを目的として配合される。このような脱塩剤としては、特に限定はされないが、例えば、前記薬物として薬物の酸付加塩を配合して遊離体の薬物を含有する製剤を得る場合には、塩基性物質であることが好ましく、金属イオン含有脱塩剤、塩基性窒素原子含有脱塩剤であることがより好ましい。前記金属イオン含有脱塩剤としては、酢酸ナトリウム(無水酢酸ナトリウムを含む)、水酸化ナトリウム、水酸化カリウム、水酸化マグネシウム、炭酸水素ナトリウム、炭酸水素カリウム、クエン酸ナトリウム、乳酸ナトリウム等が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。なお、本発明に係る粘着剤層としては、前記塩基性薬物及び前記脱塩剤に由来する化合物(例えば、塩酸ロチゴチンと酢酸ナトリウムとを組み合わせた場合には、塩酸ナトリウム)をさらに含有していてもよい。本発明において、これらの脱塩剤、並びに、塩基性薬物及び脱塩剤に由来する化合物が前記粘着剤層中にさらに含有される場合、その含有量としては、2種以上である場合には合計で、前記粘着剤層の全質量に対して10質量%以下であることが好ましい。
前記可塑剤は、主に前記粘着剤層の粘着物性、前記粘着剤層の製造における流動特性、前記薬物の経皮吸収特性等を調整することを目的として配合される。このような可塑剤としては、例えば、シリコーンオイル;パラフィン系プロセスオイル、ナフテン系プロセスオイル及び芳香族系プロセスオイル等の石油系オイル;スクワラン、スクワレン;オリーブ油、ツバキ油、ひまし油、トール油及びラッカセイ油等の植物系オイル;ジブチルフタレート及びジオクチルフタレート等の二塩基酸エステル;ポリブテン及び液状イソプレンゴム等の液状ゴム;ジエチレングリコール、ポリエチレングリコール、プロピレングリコール、ジプロピレングリコール等が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。これらの中でも、前記可塑剤としては、シリコーンオイル、流動パラフィン、液状ポリブテンが好ましい。本発明において、これらの可塑剤が前記粘着剤層中にさらに含有される場合、その含有量としては、2種以上である場合には合計で、粘着剤層の粘着力の向上及び/又は剥離時の局所刺激性の緩和という観点から、前記粘着剤層の全質量に対して5~30質量%であることが好ましく、10~20質量%であることがより好ましい。
前記溶解剤としては、例えば、酢酸等の有機酸、界面活性剤が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。また、前記充填剤は主に前記粘着剤層の粘着力を調整することを目的として配合され、該充填剤としては、例えば、水酸化アルミニウム、炭酸カルシウム、炭酸マグネシウム;ケイ酸アルミニウムやケイ酸マグネシウム等のケイ酸塩;ケイ酸、硫酸バリウム、硫酸カルシウム、亜鉛酸カルシウム、酸化亜鉛、酸化チタンが挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。
前記安定化剤としては、例えば、アスコルビン酸又はその金属塩若しくはエステル(好ましくは、ナトリウム塩、パルミチン酸エステル)、イソアスコルビン酸又はその金属塩(好ましくは、ナトリウム塩)、エチレンジアミン四酢酸又はその金属塩(好ましくは、カルシウム二ナトリウム塩、四ナトリウム塩)、システイン、アセチルシステイン、2-メルカプトベンズイミダゾール、ジブチルヒドロキシトルエン、ブチルヒドロキシアニソール、没食子酸プロピル、ペンタエリスリチル-テトラキス[3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオネート]、3-メルカプト-1,2-プロパンジオール、酢酸トコフェロール、チモール、大豆レシチン、ルチン、ジヒドロキシ安息香酸、ジクロイソシアヌール酸カリウム、クエルセチン、ヒドロキノン、ヒドロキシメタンスルフィン酸金属塩(好ましくは、ナトリウム塩)、メタ重亜硫酸金属塩(例えば、ナトリウム塩)、亜硫酸金属塩(好ましくは、ナトリウム塩)、チオ硫酸金属塩(好ましくは、ナトリウム塩)が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。上記において、金属塩としては、例えば、ナトリウム塩、カリウム塩、カルシウム塩、マグネシウム塩が挙げられる。また、エステルとしては、パルミチン酸エステル、ステアリン酸エステル、ミリスチン酸エステルなどが挙げられる。
前記保存剤としては、例えば、パラオキシ安息香酸誘導体、ベンジルアルコール、フェノール、クレゾール等が挙げられ、これらのうちの1種を単独で用いても2種以上を組み合わせて用いてもよい。
先ず、ヘアレスマウス胴体部の皮膚を剥離して脂肪を除去した脂肪除去皮膚片の角質層側に1.0cm2の正方形に切断して剥離ライナーを除去した貼付剤を貼付して試験サンプルとした。これを真皮側がレセプター液に接するようにフロースルー型拡散セルにセットし、前記セルにレセプター溶液(リン酸緩衝生理食塩水)を満たした。次いで、レセプター溶液が32℃に保温されるように、暖めた循環水を外周部に循環させながら約5mL/hrの流速でレセプター溶液を送液し、2時間毎に24時間までレセプター溶液を採取した。採取したレセプター溶液中のロチゴチン濃度を高速液体クロマトグラフ法により測定し、それぞれ、次式:
ロチゴチン皮膚透過量(μg/cm2)={レセプター溶液中のロチゴチン濃度(μg/mL)×流量(mL)}/貼付剤面積(cm2)
により、粘着剤層の単位面積あたりにおけるロチゴチン皮膚透過量を算出し、1時間あたりの皮膚透過量(皮膚透過速度(μg/cm2/hr))を求めた。測定はそれぞれ2つの試験サンプルについて行い、各皮膚透過速度の24時間内における最大値の平均値を最大皮膚透過速度(Jmax)とした。
各実施例及び比較例で得られた貼付剤をアルミラミネート製袋に封入して試験サンプルとし、これを室温(約25℃)において3日間又は6ヶ月間保存し、保存後の粘着剤層の表面を目視及び光学顕微鏡により観察した。各粘着剤層の表面における結晶の析出状態及び非晶質型の粒子の有無を以下の基準:
A:目視及び光学顕微鏡により結晶粒子及び非晶質型の粒子がいずれも観察されない
B:目視又は光学顕微鏡により結晶粒子及び/又は非晶質型の粒子が観察される
に基づいて評価した。評価はそれぞれ2つの試験サンプルについて行ったが、下記の実施例及び比較例の各々で得られた2つの試験サンプル間で差異はなく、下記の各表に示す評価結果であった。
先ず、ロチゴチン(遊離体)のI型結晶及びII型結晶について、示差走査熱量計(「Q-2000」、TAインスツルメント社製)を用いて10℃/minの昇温速度で10℃から120℃まで加熱してDSC測定を行った。得られたサーモグラムにおいて観測されるピークから吸熱融点ピーク(融点)を求めたところ、I型では78.56℃、II型では97.40℃であった。図1にロチゴチン遊離体のI型結晶のDSC測定結果を、図2にロチゴチン遊離体のII型結晶のDSC測定結果を、それぞれ示す。
先ず、ロチゴチン(遊離体)9.0質量部、スチレン-イソプレン-スチレンブロック共重合体14.5質量部、ポリイソブチレン6.2質量部、脂環族飽和炭化水素樹脂45.7質量部、流動パラフィン16.6質量部、オクチルドデカノール5質量部、及び架橋ポリビニルピロリドン(架橋PVP)3質量部を、適量の溶媒(無水エタノール及びトルエン)に加えて混合し、粘着剤層組成物を得た。次いで、得られた粘着剤層組成物を剥離ライナー(離型処理が施されたポリエチレンテレフタレート製フィルム)上に塗布し、溶媒を乾燥除去して、単位面積あたり質量が50g/m2となるように粘着剤層を形成した。得られた粘着剤層の前記剥離ライナーと反対の面上に支持体層(ポリエチレンテレフタレート製フィルム)を積層し、支持体層/粘着剤層/剥離ライナーの順に積層された貼付剤を得た。
粘着剤層組成物の組成を下記の表1に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。
粘着剤層組成物の組成を下記の表2に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。表2中、水素添加ロジンエステルとしては「KE-311(荒川化学工業株式会社製)」を、アミノアルキルメタクリレートコポリマーEとしては「オイドラギット(エボニック社製)」を、酢酸ビニル・ビニルピロリドン共重合体としては「コリドンVA-64(BASF社製)」を、ポリビニルカプロラクタム・ポリビニル酢酸・ポリエチレングリコールグラフトコポリマーとしては「Soluplus(BASF社製)」を、それぞれ用いた。
粘着剤層組成物の組成を下記の表3に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。表3に記載の吸収促進剤としては、下記の表4に示す吸収促進剤をそれぞれ用いた。
粘着剤層組成物の組成を下記の表5に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。実施例4~6で得られた貼付剤について皮膚透過試験及び結晶析出評価(製造6ヶ月後)を実施した。結果を各実施例の粘着剤層組成物の組成(溶媒を除く)とあわせてそれぞれ表5に示す。
粘着剤層組成物の組成を下記の表6に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。表6中、テルペン系樹脂としては「YSレジンPX1150N(ヤスハラケミカル株式会社製)」を、水素添加ロジンエステルとしては「KE-311(荒川化学工業株式会社製)」を、それぞれ用いた。
A:目視により粒子(結晶粒子及び非晶質型の粒子)が観察されない
B:目視により粒子(結晶粒子及び/又は非晶質型の粒子)が観察される
に基づいて評価した。結果を各実施例及び比較例の粘着剤層組成物の組成(溶媒を除く)とあわせてそれぞれ表6に示す。
粘着剤層組成物の組成を下記の表7に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。実施例9~12で得られた貼付剤について皮膚透過試験及び結晶析出評価(製造3日後)を実施した。なお、結晶析出評価は、保存期間を3日間としたこと以外は実施例7~8、比較例12と同様にして行った。結果を各実施例の粘着剤層組成物の組成(溶媒を除く)とあわせてそれぞれ表7に示す。
粘着剤層組成物の組成を下記の表8に示す組成となるようにしたこと以外は実施例1と同様にして、各貼付剤を得た。実施例13~14で得られた貼付剤及び上記の実施例6で得られた貼付剤について、皮膚透過試験及び結晶析出評価(製造3日後)を実施した。なお、皮膚透過試験は、ヘアレスマウス胴体部の脂肪除去皮膚片に代えて、凍結ヒト皮膚切片を室温にて解凍し、皮下脂肪を除去した後、ダーマトームを用いて約500μmの厚さに切断した脂肪除去皮膚片を用いた。また、結晶析出評価は、保存期間を3日間としたこと以外は実施例7~8、比較例12と同様にして行った。結果を各実施例の粘着剤層組成物の組成(溶媒を除く)とあわせてそれぞれ表8に示す。表8において、最大皮膚透過速度は、実施例6における最大皮膚透過速度を100としたときの値で示し、表8には、参照として同実施例6の粘着剤層組成物の組成をあわせて示す。
Claims (7)
- 支持体層及び粘着剤層を備え、前記粘着剤層がロチゴチン及び/又はその薬学的に許容される塩を含有するロチゴチン含有貼付剤であり、
前記粘着剤層が、スチレン系熱可塑性エラストマーと、石油系樹脂及び/又はテルペン系樹脂と、脂肪族アルコールと、架橋ポリビニルピロリドンと、をさらに含有しており、かつ、
前記粘着剤層において、ロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体に換算した含有量と架橋ポリビニルピロリドンの含有量との質量比(ロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体換算含有量:架橋ポリビニルピロリドン含有量)が、10:3~1:3である、
ことを特徴とするロチゴチン含有貼付剤。 - 前記粘着剤層が、ロチゴチン及び/又はその薬学的に許容される塩を溶解型で含有することを特徴とする請求項1に記載のロチゴチン含有貼付剤。
- 前記脂肪族アルコールの炭素数が12~23であることを特徴とする請求項1又は2に記載のロチゴチン含有貼付剤。
- 前記粘着剤層におけるロチゴチン及び/又はその薬学的に許容される塩のロチゴチン遊離体に換算した含有量が、前記粘着剤層の全質量に対して5~15質量%であることを特徴とする請求項1~3のうちのいずれか一項に記載のロチゴチン含有貼付剤。
- 前記粘着剤層における前記石油系樹脂及び/又はテルペン系樹脂の含有量が、前記粘着剤層の全質量に対して5~80質量%であることを特徴とする請求項1~4のうちのいずれか一項に記載のロチゴチン含有貼付剤。
- 前記粘着剤層における前記脂肪族アルコールの含有量が、前記粘着剤層の全質量に対して1~15質量%であることを特徴とする請求項1~5のうちのいずれか一項に記載のロチゴチン含有貼付剤。
- 前記粘着剤層が安定化剤をさらに含有することを特徴とする請求項1~6のうちのいずれか一項に記載のロチゴチン含有貼付剤。
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JP2019561049A JP6908729B2 (ja) | 2017-12-19 | 2018-12-14 | ロチゴチン含有貼付剤 |
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KR1020207014517A KR102363218B1 (ko) | 2017-12-19 | 2018-12-14 | 로티고틴 함유 첩부제 |
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WO2022015887A1 (en) * | 2020-07-14 | 2022-01-20 | Alzheimer's Drug Discovery Foundation | Combination drug formulations including rotigotine and an acetylcholinesterase inhibitor for the treatment of neurodegenerative diseases |
JP7322324B1 (ja) * | 2022-02-21 | 2023-08-07 | 久光製薬株式会社 | ロチゴチン含有貼付剤 |
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KR102363218B1 (ko) | 2022-02-14 |
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TW201927291A (zh) | 2019-07-16 |
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