WO2004078212A1 - 放出制御用医薬組成物およびその製造方法 - Google Patents
放出制御用医薬組成物およびその製造方法 Download PDFInfo
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- WO2004078212A1 WO2004078212A1 PCT/JP2003/016581 JP0316581W WO2004078212A1 WO 2004078212 A1 WO2004078212 A1 WO 2004078212A1 JP 0316581 W JP0316581 W JP 0316581W WO 2004078212 A1 WO2004078212 A1 WO 2004078212A1
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- polyethylene oxide
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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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
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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
- A61K31/16—Amides, e.g. hydroxamic acids
- A61K31/18—Sulfonamides
-
- 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
- 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
- A61K47/34—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
-
- 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
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
-
- 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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
-
- 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
- A61K9/20—Pills, tablets, discs, rods
-
- 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
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/02—Drugs for disorders of the urinary system of urine or of the urinary tract, e.g. urine acidifiers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/08—Drugs for disorders of the urinary system of the prostate
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/10—Drugs for disorders of the urinary system of the bladder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- the present invention relates to a pharmaceutical composition for controlled release and a method for producing the same.
- the present invention contains a drug, polyethylene oxide having a molecular weight of 2,000,000 or more, and a specific sizing agent for the above-mentioned polyethylene oxide, and the drug and the specific sizing agent for the polyethylene oxide.
- the present invention relates to a pharmaceutical composition for controlled release in which is dispersed uniformly.
- the present invention also relates to the controlled-release pharmaceutical composition and a method for producing a controlled-release preparation containing the granules.
- sustained-release preparations are being developed with the aim of preventing side effects by improving compliance or reducing the fluctuation range of blood concentration (Peak / Trough) with a decrease in the number of administrations, and expecting stable therapeutic effects.
- various formulations have been developed.
- Various sustained-release preparations have been created by the present applicant. Among them, a hydrophilic base (hereinafter sometimes referred to as a gelation enhancer) and a noid-mouth gel-forming polymer are among them.
- the hydrogel sustained-release preparation consisting of is easy to manufacture because of its simple composition, and such a sustained-release preparation can be used not only in the upper gastrointestinal tract, including the stomach and small intestine, but also in the lower gastrointestinal tract, including the colon.
- polyethylene oxide is particularly effective in imparting a particularly good sustained-release property to the preparation.
- polyethylene oxide is selected as the first candidate for the hydrogel-forming polymer.
- polyethylene oxide is a white powder or granular water-soluble thermoplastic resin whose molecular weight obtained by polymerizing ethylene oxide reaches hundreds of thousands to millions, and is polyethylene oxide having a molecular weight of 2,000,000 or more.
- the side has stronger tackiness when wet
- the polyethylene oxide has a very high viscosity, so it may be used for grinding, granulation or tableting. It can be said that the substance is difficult to handle in the process, especially in the granulation process.
- a sustained-release preparation using polyethylene oxide particularly a matrix-type controlled release preparation containing polyethylene oxide as a release-controlling base
- a wet granulation method or a direct compression method in which a salt-based solvent such as dichloromethane or carbon tetrachloride or an alcohol-based solvent such as methanol, ethanol or propanol is used alone or in combination with water.
- a salt-based solvent such as dichloromethane or carbon tetrachloride or an alcohol-based solvent such as methanol, ethanol or propanol
- methods such as dry granulation have been proposed (for example, Patent Document 1: WO 94/06414 pamphlet, Patent Document 2: WO 01Z10466 pamphlet, Patent document 3: US patent) No. 52 737 758).
- Patent Document 4 US Pat. No. 4,662,880
- Patent Document 5 U.S. Pat. No. 4,810,502 (corresponding Japanese Patent Application Publication No.
- JP-A-Heisei 7-215869 which can be carried out by a person skilled in the art with regard to conditions of wet granulation and the like
- polyethylene oxide with a molecular weight of 2,000,000 or more has a viscosity of 2000 mPa's or more (millipascal second: 2% W / V aqueous solution, 25 ° C), and polyethylene oxide with a molecular weight of 100,000.
- the viscosity increases sharply, so if the same wet granulation method is used, granulation will proceed. Too much, or stringy powder is produced, That like, to produce a powder suitable for tableting are considered may not be.
- Patent Document 1
- Patent Document 2
- Patent Document 3
- Patent Document 4 '
- Patent Document 5
- the present invention provides a powder which contains polyethylene oxide having a molecular weight of 2,000,000 or more and is suitable for tableting for producing a pharmaceutical composition for controlled release having good drug content uniformity, and contains the powder.
- a pharmaceutical composition for controlled release and to provide a method for producing the powder or a pharmaceutical composition for controlled release containing the powder.
- the present inventors have found that there are many problems in the case of using a conventional wet granulation method using a binder in producing a powder for controlled release in an aqueous system using polyethylene oxide particles, and it is practically difficult to produce the powder. I knew it was. That is, for example, when a binder having a binding force but poor plasticity such as PVP is used, granulation proceeds excessively, resulting in a powder having a high specific volume and inferior fluidity, or a viscous action such as sorbitol. In the case of using a sugar that has binding power but has stringiness at the time of spray drying or a surfactant that has low binding power such as polysorbate, etc.
- the present inventors have proposed a part of the polyethylene glycol (hereinafter, also referred to as PEG) used as a gelation accelerator (hydrophilic base), which is a component of the above-mentioned controlled release preparation for forming a gel in mouth.
- PEG polyethylene glycol
- hydrophilic base hydrophilic base
- the present inventors focused on polyethylene oxide and conducted further intensive studies.As a result, a solid-state PEG was taken together with highly viscous polyethylene oxide in a fluidized bed, and a drug aqueous solution was sprayed on the PEG. As in the method, it was found that a poly (ethylene oxide) sized product having characteristics suitable for tableting can be obtained, and that the controlled-release preparation obtained by tableting the sized product shows excellent content uniformity. .
- HPMC hydroxypropylmethylcellulose
- HPC hydroxypropylcellulose
- HPC methylcellulose
- HPC methylcellulose
- polyethylene oxide product itself is a powder that is an aggregate of fine particles, it is disassembled into small particles by using water.
- Polyethylene is a polyethylene that exhibits properties suitable for tableting by selecting and using a specific substance that has appropriate plasticity and bonding strength. It is presumed that oxide is recombined into powder and granules and then sized.
- the polyethylene oxide powder of the present invention may be referred to as a polyethylene oxide sized product or simply a sized product.
- the present invention has been made based on these series of findings.
- a controlled-release pharmaceutical composition comprising a sized product obtained by uniformly dispersing at least (c) a sizing agent with respect to the polyethylene oxide (b);
- the polyethylene oxide sizing agent of (b) is polyethylene glycol which is solid at room temperature, 2 to 15 mPa's (2 W / V) of hydroxypropyl methylcellulose, 2 to 10 mPa's (2% W / V) hydroxypropyl methylcellulose, and 2 to 15 mPa-s (2% W / V) one or two or more selected from the group consisting of methylcellulose, the controlled release pharmaceutical composition according to the above 1,
- composition for controlled release according to the above-mentioned 8, wherein the hydrophilic base is required to dissolve 1 g of the base in an amount of water of 5 ml or less (20 ⁇ 5 ° C).
- hydrophilic base is polyethylene glycol, sucrose, or polyvinylpyrrolidone.
- composition for controlled release according to the above item 8, wherein the amount of the hydrophilic base is 5 to 80% by weight per unit of the preparation;
- composition for controlled release according to the above 1 or 8 further comprising yellow ferric oxide and Z or red ferric oxide.
- composition for controlling release according to any one of the above 1 to 15, wherein the drug is musculin hydrochloride,
- the polyethylene oxide sizing agent of (b) is a polyethylene render solid which is solid at room temperature, 2 to 15 mPa-s (2% W / V) hydroxypropyl methylcellulose, 2 to 10 mPa; s (2% W / V) hydroxypropyl methylcellulose and 2 to 15 mPa-s (2% W / V) methylcellulose selected from the group consisting of one or more selected from the group consisting of Sized product,
- hydrophilic base is polyethylene glycol, sucrose, or polyvinylpyrrolidone.
- the gel-forming component is hydroxypropylmethylcellulose (HPMC) having various grades of viscosities
- the wet granulation is One or more solutes selected from polyhydric alcohols and polyvinylpyrrolidone that inhibit gelation of HPMC during the process but allow gel formation when administered orally to mammals such as humans
- HPMC hydroxypropylmethylcellulose
- the wet granulation is One or more solutes selected from polyhydric alcohols and polyvinylpyrrolidone that inhibit gelation of HPMC during the process but allow gel formation when administered orally to mammals such as humans
- the document describes a wet granulation method using granulation as a granulation method for HPMC so that granules after granulation can be pulverized.
- the present invention does not relate to the wet granulation method, but discloses a sizing method in which fine particles of polyethylene oxide having high spinnability and disassembled by spraying with water are recombined.
- “sizing” is different from the unit operation of “granulation” usually performed by those skilled in the art in the art, and is also different from the step of extracting a fixed-size portion by a sieving operation or the like.
- granulation means a series of unit operations for producing granules having good fluidity by bonding particles together in order to improve adhesion and scattering of fine powder.
- the drug is crushed alone or mixed with a part of the additive and pulverized to ensure uniform content by pulverizing particles. Thereafter, a granulation operation is usually performed using a fluidized bed granulator. Therefore, in “granulation”, the growth of particles is promoted, so that a powder having a large particle diameter and a large specific volume is produced.
- sizing refers to spraying water on the high-viscosity polyethylene oxide (also simply referred to as PEO) powder (commercially available) used in the present invention to obtain a specific particle size and particle size. This refers to a series of unit operations for producing a granular material (granulated material) having a specific specific volume.
- polyethylene oxide sized product also simply referred to as PEO sized product
- PEO sized product includes, for example, when water is sprayed on PEO powder (commercially available) used in the present invention, a part or the whole thereof is sprayed.
- the polyethylene oxide sizing agent used in the present invention suppresses the disintegration of the PEO powder into fine particles.
- size control means that PEO particles are grown by dispersing the disintegrated fine particles of PEO by spraying with water to dry them, and having a size and specific volume suitable for tableting. It means a series of single operations to re-form into a powder.
- the “particle size” is represented by an average particle size (m) meaning a cumulative 50% average particle size of the powder and a fine powder amount (%) of 75 m or less.
- the specific volume is represented by the volume per unit weight of the powder (mL / g ).
- “substantially free of an organic solvent” or “substantially no use of an organic solvent” means that completely only water is used as a solvent, and the pharmaceutically acceptable range Means residue and Z or use within environmental standards or within environmental standards. Therefore, the range does not exclude those containing an organic solvent within a range that does not exceed the pharmaceutically acceptable range or the environmental standard value.
- the drug used in the present invention is not particularly limited as long as it is a therapeutically or prophylactically effective active ingredient.
- Such drugs include, for example, indomethacin, diclofenac, diclofenac sodium, codin, ibuprofen, fenilbutazone, oxifenbuesone, mepilizol, aspirin, ethenzamide, acetaminophen, aminopyrine, phenacetin, butyl scopolamine bromide
- Antiphlogistics such as morphine, etomidrine, penzozocin, phenoprofen calcium, naproxen, celecoxib, valdecoxib, tramadol, antipyretic, analgesic or analgesic, antirheumatic drugs such as etodolac, isodiazide, etamptorol hydrochloride Antituberculous drugs, isosorbide dinitrate, nitroglycerin, d
- Diazepam oral azepam, chlordiazepoxide, azinazolam, alprazolam, methylphenidate, milnacipran, peroxetine, risperidone, sodium valproate, etc., metoclobramide, ramosetron hydrochloride, ticaisetron hydrochloride, ondandan hydrochloride
- Antiemetics such as setron and azasetron hydrochloride
- antihistamines such as chlorpheniramine maleate and diphenhydramine hydrochloride
- Vitamin drugs such as thiamine acid, tocophenol acetate, sicotiamine, pyridoxal phosphate, copamide, ascorbic acid, nicotinamide, gout drugs such as aloprinol, colchicine, probenecid, and Parkinson's drugs such as levodopa and selegiline , Amoparbital, bromperylurea, Hypnotics and sedative
- Drugs pravastatin sodium, simvastatin, lovastatin, atorvastatin, etc., treatment for hyperlipidemia, ampicillin hydrochloride lysyl hydrochloride, cefotetan, josamycin BPH therapeutic agents such as antibacterial antibiotics, muscarinic acid, doxazosin mesylate, and terazosin hydrochloride; anti-asthmatics such as pranlukast, zafilkast, alpterol, amproxol, budesonide, and levelbuterol; Prostaglandin I derivative peripheral circulation improver, antithrombotic agent, antihypertensive agent, therapeutic agent for heart failure, therapeutic agent for various complications of diabetes, therapeutic agent for peptic ulcer, therapeutic agent for skin ulcer, antihyperlipidemic agent Agents, anti-asthmatic agents and the like.
- a free form or a pharmaceutically acceptable salt can be used.
- one or more drugs can be used in combination.
- an active ingredient that is therapeutically or prophylactically effective at an extremely small dose or a drug that is effective at a low dose and is poorly water-soluble is applied to the present invention, the desired effect of the present invention can be obtained. You can enjoy it even more.
- the drug of the above-mentioned examples, evening musk mouth syn is particularly preferable.
- Tamsulosin is (R) (—) 1-5— [2-[[2-(0-ethoxyphenoxy) [Ethyl] amino] propyl] -1-methoxybenzenesulfonamide and is represented by the following structural formula. The compound, together with its pharmaceutically acceptable salts, was first disclosed in JP-A-56-110665.
- tamsulosin or a salt thereof has an adrenergic 1A receptor blocking effect.
- its hydrochloride tamsulosin hydrochloride
- tamsulosin hydrochloride has a Qi! L receptor blocking effect in the urethra and the prostate, and has an intraurethral pressure. It is widely used as a drug to reduce the prostatic pressure in the curve and improve dysuria associated with benign prostatic hyperplasia.
- mucus mouth hydrochloride is an extremely clinically useful drug that has been clinically confirmed to be effective in treating lower urinary tract disease.
- Mus mucin can form pharmaceutically acceptable acid and base addition salts with a wide variety of inorganic and organic acids or bases. Such salts also form part of the invention. For example, salts with inorganic acids such as hydrochloric acid, sulfuric acid, and phosphoric acid, salts with organic acids such as fumaric acid, malic acid, citric acid, and succinic acid, salts with alkali metals such as sodium and potassium, and calcium And salts with alkaline earth metals such as magnesium. In the present invention, most preferred is a hydrochloride. These salts can be produced by a conventional method.
- the compounding amount of the drug is usually appropriately selected and used depending on the kind of the drug or the medical use (indication), and is not particularly limited as long as it is a therapeutically or prophylactically effective amount.
- the drug is effective in a very small amount (low-dose drug) from the viewpoint of further enjoying the desired effects of the present invention, but is effective in a high dose (high-dose drug).
- high-dose drug since it can be easily predicted that the content uniformity can be achieved, There is no particular limitation on the amount of the drug.
- Such an amount is exemplified from the viewpoint of the hydrogel sustained-release preparation described below, but is preferably 85% by weight of the whole preparation. / Q or less, more preferably 80 weight. /.
- the drug is musculinine hydrochloride
- the content is 1% by weight or less.
- the dose of muscarinic acid or a pharmaceutically acceptable salt thereof is appropriately determined depending on the individual case in consideration of the administration route, the symptoms of the disease, the age and sex of the administration subject, and the like.
- the active ingredient is usually about 0.1 to 1.6 mg / day per adult when administered orally, and is orally administered once a day.
- the polyethylene oxide (hereinafter, also referred to as PEO) used in the present invention is not particularly limited as long as it can control the release of a drug from a pharmaceutical composition for controlling release containing PEO as a release controlling base.
- PEOs include POLYOX® WSR-303 (viscosity average molecular weight: 7 million, viscosity: 7500—lOOOOmPa's (millipascal second: 1% aqueous solution of WZV, 25 t :)), POLYOX® WSR Coagulant (viscosity average molecular weight: 5 million) , Viscosity: 5500-7500mPa's (1% W / V aqueous solution, 25 ° C)), POLYOX® WSR-301
- PEO-18 viscosity average molecular weight: 4.3 to 4.8 million, viscosity: 250 to 480 mPa's (0.5% WZV aqueous solution, 25 ° C)
- PEO preferably has a high viscosity at the time of gelation or has a high viscosity average molecular weight.
- PEO for example, those exhibiting a viscosity of 2000 mPa's or more in a 2% aqueous solution (25 ° C.) or those having a viscosity average molecular weight of 2,000,000 to 10,000,000 are preferable. More preferably, the viscosity average molecular weight is from 4,000,000 to 10,000,000, and even more preferably, the viscosity average molecular weight is from 5,000,000 to 10,000,000, and most preferably, the viscosity average molecular weight is 7 million (for example, POLYOX WSR-303). PEOs having different molecular weights and grades can be used alone or in combination of two or more. '
- the amount of polyethylene oxide to be incorporated is not particularly limited as long as it can control the release of the drug from the sustained-release hydrogel preparation, but is preferably 10 to 95% by weight based on the whole preparation. More preferably, it is 15 to 90% by weight based on the whole preparation.
- the amount of PEO added is preferably 70 mg or more per unit of the preparation, more preferably 100 mg or more, and even more preferably 150 mg or more. Even when the drug is musculin hydrochloride, the amount of PEO is preferably from 100 mg to 300 mg, more preferably from 150 mg to 250 mg, and even more preferably from 200 mg.
- controlled-release preparations with a viscosity-average molecular weight of 7 million (for example, POLYOX WSR-303) are produced using the compounding amount, and the effect as a controlled-release preparation is remarkably exhibited.
- the polyethylene oxide granule sizing agent used in the present invention is not particularly limited as long as it is a water-based, high-viscosity PEO powder which is suitable for tableting. Such a sizing agent is a substance having appropriate plasticity and binding action.
- the granulating agent examples include solid polyethylene glycol (hereinafter, referred to as PEG), hydroxypropyl cellulose (hereinafter, referred to as HPMC), hydroxypropyl cellulose (hereinafter, referred to as HPC), and methyl cellulose (hereinafter, referred to as HPC), all of low viscosity grade. , MC) and the like.
- PEG solid polyethylene glycol
- HPMC hydroxypropyl cellulose
- HPC hydroxypropyl cellulose
- HPC methyl cellulose
- HPC methyl cellulose
- PEG PEG that is solid at room temperature
- PEG4000, PEG6000, PEG8000 PEG that is solid at room temperature
- Macrogol 4000 JP, molecular weight 2600-3800, trade name: Macrogol 4000Z Sanyo Chemical Industries, Nippon Yushi, Lion, etc.
- Macrogol 6000 JP, molecular weight 7300-9300, trade name: Macrogol 6000 / Sanyo Kasei Kogyo, Japan Oil, Lion, etc.
- macrogol 20000 JP, molecular weight 15000-25000, trade name: Macrogol 20000 / Sanyo Chemical, Nippon Oils and Fats, Lion, etc.
- Polyethylene Dalicol 8000 USP / NF, molecular weight 7000-9000, trade name: Polyethylene glycol 8000 / Dow Chemical etc.
- a low viscosity grade (viscosity 2: L5 inPa's, 2% WV aqueous solution, 20 ° C) is suitable.
- trade name TC-5E viscosity 3 mPa's, 2% W / V aqueous solution, 20 ° (: Shin-Etsu Chemical)
- trade name TC-5R viscosity 6 mPa's, 2% WV aqueous solution, 2 (TC , Shin-Etsu Chemical)
- Trade name TC-1 5S trade name
- HPC a low viscosity grade (viscosity 2: L0 mPa's, 2% W / V aqueous solution, 20) is suitable.
- HPC-SSL viscosity 3.0 to 5.9 mPa's, 2% W / V aqueous solution, 20 ° C, Nippon Soda
- HPC-SL viscosity 2.0 to 2.9 mPa's, 2% WV aqueous solution, 20 ° C, Nippon Soda
- HPC-L viscosity 6.0 ⁇ : L0.0 mPa's, 2% WV aqueous solution, 20 ° C, Nippon Soda).
- a low viscosity grade (viscosity 2: 15 mPa's, 2% W / V aqueous solution, 20 ° C) is suitable.
- Specific examples include Methocel A15-LV (viscosity 15 mPa's, 2% W / V aqueous solution, 20 at Dow Chemical), Methorose SM4 (viscosity 0.4 mPa's, 2% W / V aqueous solution, 20 ° C, Shin-Etsu Chemical) or Metrolose SM15 (viscosity 15 mPa-s, 2% W / V aqueous solution, 20 ° C, Shin-Etsu Chemical). ,
- the sizing agent for polyethylene oxide is PEG and Z or HPMC, and most preferably PEG which can be added to the powdered state and still be the sizing agent of the present invention.
- the sizing agent of the present invention can be used alone or in combination of two or more. Examples of the form of use include a method of spraying an aqueous solution containing water or a binder after physical mixing, and a method of spraying as an aqueous solution containing a sizing agent.
- the amount of the polyethylene oxide sizing agent used is not particularly limited as long as PEO can be sieved in an aqueous system, but is usually 0.5 to 60% by weight per unit of drug product.
- PEG as a light integer granules is sprayed as an aqueous solution, preferably 0.5 to 3 weight per formulation unit 0 /. And more preferably 1-2 weight. /. It is.
- a substance other than PEG is sprayed as an aqueous solution as the granule sizing agent of the present invention, it is preferably 0.5 to 3 weight per unit of formulation. / 0 , more preferably 1-2% by weight.
- PEG is used as a solid sizing agent, it is preferably 5 to 60% by weight, more preferably 10 to 30% by weight.
- the amount of substances other than PEG used as an aqueous solution as a sizing agent is smaller than the amount used as an ordinary binder (3 to 5% by weight). 0.5 weight. /. If the amount is smaller than desired, there is a problem that desired sizing is not performed, the amount of fine powder is increased, the uniformity of the drug content is reduced, and the powder becomes more inactive. If the content is more than 3% by weight, the granulation proceeds excessively, and as a result, the fluidity of the powder decreases, or the powder becomes too large, and it becomes necessary to grind again after drying. As a result, the drug content becomes uniform. It is feared that the problem remains in the sex.
- the pharmaceutical composition for controlled release of the present invention is not particularly limited as long as it is a pharmaceutical composition with controlled drug release, particularly a pharmaceutical.
- controlled release pharmaceutical composition especially controlled release preparation
- an 8-open mouth gel sustained release preparation described in WO94 / 06414 can be mentioned.
- the hydrogel sustained-release preparation comprises, as basic constituents, a drug, a gelling accelerator having a specific solubility (hydrophilic base), and PEO having a specific weight and molecular weight.
- PEO is used as a controlled release preparation, yellow iron sesquioxide and / or red iron sesquioxide is added as a stabilizer for PEO, as described in WO 01Z10466.
- the drug release mechanism of each of the preparations is as described in WO94Z06414.
- the controlled-release preparation absorbs water during the upper gastrointestinal tract residence, almost completely gerichs (70% or more, preferably 80% or more), and moves to the lower gastrointestinal tract while the erosion of the preparation surface occurs. Furthermore, since the drug continues to be released by erosion, the drug can be released and absorbed well and continuously even in the colon with low water content.
- the pharmaceutical composition for controlled release or sustained-release preparation of hydrogel may further contain a pharmaceutical excipient, if desired.
- the hydrophilic base (gelling accelerator) used in the present invention includes: There is no particular limitation as long as the PEO used can be dissolved before gelation. Absent.
- a hydrophilic base preferably has an amount of water of 5 ml or less (20 ⁇ 5 ° C.), and more preferably 4 ml or less (same temperature), for dissolving the base lg. It is.
- hydrophilic base examples include polyethylene glycol (for example, Macrogol 400, Macrogol 1500, Macrogol 4000, Macrogol 6000, Macrogol 20000 (all manufactured by NOF Corporation), polyvinylpyrrolidone (for example, PVP®30 (BASF), water-soluble polymers, sugar alcohols such as D-sorbitol, xylyl-1-yl, sucrose, maltose, lactulose, D-fructose, dextran (for example, dextran 40), and sugars such as glucose.
- polyethylene glycol for example, Macrogol 400, Macrogol 1500, Macrogol 4000, Macrogol 6000, Macrogol 20000 (all manufactured by NOF Corporation
- polyvinylpyrrolidone for example, PVP®30 (BASF)
- water-soluble polymers examples include sugar alcohols such as D-sorbitol, xylyl-1-yl, sucrose, maltose, lactulose, D-fructose
- Polyoxyethylene hydrogenated castor oil eg, Cremophor® RH40 (manufactured by BASF), HCO'40, HCO'60 (manufactured by Nikko Chemicals), polyoxyethylene polyoxypropylene glycol (eg, Purokunik® F68 (Asahi Denka) Etc.) or polyoxyethylene sorbitan higher fatty acid esters (for example, TweenSO Chemicals), etc.
- surfactants such as sodium chloride, magnesium chloride, etc., organic acids such as citric acid, tartaric acid, etc., amino acids such as glycine, ⁇ -alanine, lysine hydrochloride, etc., amino sugars such as medalmine, etc.
- the amount of the hydrophilic base is preferably 5 to 80% by weight based on the whole preparation, more preferably 5 to 60% by weight based on the whole preparation.
- the blending amount of the gelling agent is calculated as the total amount.
- the pharmaceutical composition for controlled release of the present invention preferably contains yellow iron sesquioxide and / or red iron sesquioxide as a stabilizer for ((USPSN09 / 629,405 (see corresponding pamphlet of International Publication No. 01Z10466).
- the amount of the stabilizer is preferably from 1 to 20% by weight, more preferably from 3 to 15% by weight, based on the total weight of the preparation, for physical mixing in a matrix.
- For iron sesquioxide it is preferably from 5 to 20% by weight, more preferably from 10 to 15% by weight, based on the total weight of the preparation. Yes, more preferably 3 to L0 weight.
- the content When formulated with a tablet, the content is preferably 0.3 to 2%, more preferably 0.5 to 1.5%, based on the weight of the tablet. At this time, the concentration of yellow ferric oxide or red ferric oxide present in the film is preferably 5 to 50%, more preferably 10 to 20%.
- the term "physical mixing in the matrix" used herein means, for example, that the drug, polyethylene oxide and the iron sesquioxide are uniformly dispersed, and the drug and the iron sesquioxide are homogeneously dispersed in PEO, which is the main base of the controlled release formulation.
- film coat means, for example, dissolving or suspending the above-mentioned iron sesquioxide in a water-soluble polymer solution such as hydroxypropylmethylcellulose and coating a separately prepared tablet with a thin film.
- the yellow iron sesquioxide and Z or red iron sesquioxide of the present invention can usually be present anywhere in the formulation.
- a film such as a film coat
- a granulated product such as a granulated product
- a matrix for example, in the vicinity of polyethylene oxide
- various pharmaceutical excipients are further appropriately used to prepare a pharmaceutical composition.
- a pharmaceutical excipient is not particularly limited as long as it is pharmaceutically acceptable and pharmacologically acceptable.
- binders, disintegrants, acidulants, foaming agents, artificial sweeteners, flavors, lubricants, coloring agents, stabilizers, buffers, antioxidants and the like are used.
- the binder include, for example, hydroxypropylmethylcellulose, hydroxypropylcellulose, polyvinyl alcohol, methylcellulose, and Arabic rubber.
- Disintegrators include, for example, corn starch, starch, carmellose calcium, carmellose sodium, low-substituted hydroxypropylcellulose and the like.
- the acidulant for example, citric acid, tartaric acid, malic acid and the like can be mentioned.
- the foaming agent include baking soda.
- artificial sweeteners include saccharin sodium, dipotassium glycyrrhizinate, aspartame, stevia, thaumatin and the like.
- the flavor include lemon, lemon lime, orange, and menthol.
- the lubricant include magnesium stearate, calcium stearate, sucrose fatty acid ester, polyethylene glycol, talc, stearic acid and the like.
- the coloring agent include yellow iron sesquioxide, red iron sesquioxide, edible yellow No. 4, No. 5, edible red No. 3, No. 102, edible blue No.
- Buffering agents include cunic acid, succinic acid, fumaric acid, tartaric acid, ascorbic acid or salts thereof, glutamic acid, glutamine, glycine, aspartic acid, alanine, arginine or salts thereof, magnesium oxide, zinc oxide, magnesium hydroxide, phosphorus Acids, boric acid or salts thereof.
- the antioxidant include ascorbic acid, dibutylhydroxytoluene, propyl gallate and the like.
- an appropriate amount can be appropriately added alone or in combination of two or more.
- the pharmaceutical composition for controlled release and the method for producing a sized product of the present invention will be described in detail. .
- the production process of the pharmaceutical composition for controlled release of the present invention substantially comprises the following steps. :
- This step is not particularly limited in terms of equipment and means as long as it is a method which can be usually pulverized pharmaceutically.
- the mixing step of each component which is continuous with the pulverization is not particularly limited in terms of equipment and means as long as each component can be uniformly mixed pharmaceutically.
- the milling device examples include a hammer mill, a pole mill, a jet mill, and a colloid mill.
- the grinding conditions are not particularly limited as long as they are appropriately selected.
- the screen punch diameter is usually 0.5 to 5 mm, preferably 0.8 to 2 mm.
- the powder feed rate is usually 50 to 500 gZmin, preferably 100 to 200 g / min.
- the mixing device examples include a V-type mixer, a Ripon-type mixer, a container mixer, and a high-speed stirring mixer.
- the mixing conditions are not particularly limited as long as they are appropriately selected.
- the rotation speed is usually 10 to 40 rpm, preferably 20 to 30 rpm.
- a sieve such as 42mesh (mesh size 355 m).
- the suspension (dissolution) device examples include a magnetic stirrer and a propeller mixer. There are no particular restrictions on the conditions for preparing the sizing agent solution, provided that they are appropriately selected.
- the concentration of the granulating agent solution is not particularly limited as long as it is the concentration of the granulating agent sprayed in the fluidized bed granulation.
- the concentration is usually from 1 to 50% W / W, preferably from 2 to 30% W / W. In PEG ::! 5050% W / W, preferably 5-30% W / W.
- HPMC it is 1-20% W / W, preferably 2-10% W / W.
- For HPC it is 1 to 20% W / W, preferably about 2 to 10% W / W.
- In MC it is 1 to 20% W / W, preferably 2 to 10% W / W.
- the process and the method are not particularly limited as long as the method can wet-size high-viscosity PEO using an aqueous solution of a PEO sizing agent.
- Spraying devices include, for example, high-speed stirring granulation, pulverization (pulverization) granulation, fluidized bed granulation, extrusion granulation, tumbling granulation, spray granulation, and their methods. And the like used by the company.
- Preferable is a fluidized bed granulation method and apparatus, and more preferably, an easy rolling fluidized bed granulation method capable of uniformly blending a low-dose drug and a hydrophilic base into high-viscosity PEO. Device.
- the sizing apparatus examples include a fluidized bed granulator (eg, a flow coater, , GPCG, Glatt Co., Ltd., Granulation coating equipment with a horizontal rotating disk with a smooth powder contacting part (eg, centrifugal flow granulation equipment (eg, CF Dara Niyle One Night, Freund) Granulation coating equipment with a rotating disk with a vent and a smooth surface below the fluidized bed (for example, Spiral Flow, a flow coater with a rotor container, all manufactured by Freund Sangyo), etc. Is mentioned.
- a fluidized bed granulator eg, a flow coater, , GPCG, Glatt Co., Ltd.
- Granulation coating equipment with a horizontal rotating disk with a smooth powder contacting part eg, centrifugal flow granulation equipment (eg, CF Dara Niyle One Night, Freund)
- the amount of water at the time of sizing is not particularly limited as long as the sizing agent (preferably, a drug) can be uniformly dissolved and Z or suspended (dispersed).
- the sizing agent preferably, a drug
- PEG polyethylene glycol
- PEO polyethylene glycol
- the method of adding water at the time of sizing is not particularly limited as long as it is a method which does not become non-uniform, usually comprising a powdery cohesive soul and an untreated powder.
- a continuous spraying method in which the powder is continuously added an intermittent spraying method in which a drying step and a shaking step are provided in the middle of the granulation step, and the like are mentioned.
- the rate of water addition at the time of sizing is not particularly limited as long as the rate does not become nonuniform, which is usually composed of a powdery cohesive soul and an untreated powder.
- rate usually composed of a powdery cohesive soul and an untreated powder.
- fluidized bed granulation usually 0.1 to 1 weight per PEO. /. / min, preferably 0.2-0.8 weight. /. Zmin, more preferably 0.4 to 0.6% by weight / min.
- the temperature of the powder during sizing is not particularly limited as long as it does not induce thermal denaturation of PEO.
- the temperature of the powder during sizing is not particularly limited as long as it does not induce thermal denaturation of PEO.
- the temperature of the powder during sizing is not particularly limited as long as it does not induce thermal denaturation of PEO.
- from 20 ° C. to the melting point of PEO (62 to 67 ° C.) preferably from 20 to 50 ° C., more preferably from 20 to 35 ° C., and most preferably from 25 to 30 ° C. ° C.
- the drying step is not particularly limited, as long as the sized product is dried.
- the drying device include a fluidized bed granulator (eg, Flowco Ichiichi, manufactured by Freund Sangyo, GPCG, Glatt), and a granulation coating device equipped with a horizontal rotating disk with a smooth powder contact part.
- a centrifugal fluidized-granulation device for example, CF Granule Ichigo, manufactured by Freund Corporation
- a granulation-coating device with a rotating disk having a ventilation part and a smooth surface below the fluidized bed For example, Spiral Flow, Froco Suppo with Container, and Froco Sapphire, all manufactured by Freund Corporation.
- the drying conditions are not particularly limited as long as the sized product is usually dried in the fluidized bed. For example, if the drying air temperature is 50 ° C and drying is performed until the sized product temperature reaches 40 ° C, The drying is almost finished. A ventilation drying method and a reduced pressure drying method can be applied to the drying method.
- the powder (granulated material) thus obtained can be evaluated by the following method.
- the average particle size can be measured by, for example, an automatic particle size distribution analyzer (product name port pot shift Yuichi, manufactured by Seishin Enterprise) or the like. It is usually about 50 to 500 m, preferably about 60 to 300 m, and more preferably 80 to 200 m.
- an automatic particle size distribution analyzer product name port pot shift Yuichi, manufactured by Seishin Enterprise
- Mean particle size of 75 m or less The particle size can be measured by, for example, an automatic particle size distribution analyzer (product name mouth pot shift Yuichi, manufactured by Seishin Enterprise).
- the amount of particles having a particle size of 75 m or less is preferably 20% or less, and more preferably 15% or less.
- a powder property measurement device Pulpowder Tester PT-D, manufactured by Hosokawa Micron
- the sediment is formed, and the inclination angle is read with a protractor.
- the evaluation criterion is preferably 45 ° or less, more preferably 42 ° or less.
- the device and means are not particularly limited as long as the PEO sized product obtained in the process (3) and the pharmaceutically acceptable excipient are uniformly mixed. Absent. For example, (1) a step of dissolving and / or suspending in a spray liquid, (2) a step of preparing a powder, and (3) a step of uniformly blending with a pharmaceutically acceptable pharmaceutical excipient. And the method of blending in one or two steps selected from the group consisting of
- the device and means for the step are not particularly limited as long as it is a method by which a compression molded product (preferably a tablet) is usually produced pharmaceutically.
- the tableting device examples include a rotary tableting machine (for example, HT P-22, manufactured by Hata Iron Works) and a single-shot tableting machine (for example, KM-2, manufactured by Okada Seie).
- a rotary tableting machine for example, HT P-22, manufactured by Hata Iron Works
- a single-shot tableting machine for example, KM-2, manufactured by Okada Seie.
- the rotation speed of the turntable is 20 to 30 rpm
- the tableting pressure is 200 to 600 kgf / punch.
- Examples of the pharmaceutical composition (formulation) include a sized product itself, a tablet, a fine granule, a granule, or a forcepsel prepared by filling a sized product in a gelatin hard capsule, for example, prepared by a method known per se. .
- the method for producing the pharmaceutical composition for controlled release of the present invention or the pharmaceutical preparation thereof is not particularly limited as long as it is a method for producing a desired pharmaceutical preparation by appropriately combining the above-described methods or methods known per se.
- the examples of the present invention also include examples that do not include a drug.However, these examples show that the drug of the present invention has a very small dose, that is, the present invention does not affect the properties of PEO sized granules. It means that a very small amount of drug that has no effect (a very small amount that is effective in treating or preventing a disease) has been applied.
- the sized product of the present invention was obtained by the method described in Example 1 using 2 parts of Macrogol 6000 and 38 parts of water.
- the sized product of the present invention was obtained by the same production method as in Example 1, except that PEG was replaced by HPMC (6 mPa-s) as a binder.
- Reference Example 1 The powder characteristics of a commercially available PEO product (powder characteristics of non-sized granules: Reference Example) are referred to as Reference Example 1.
- Example 1 Water (Comparative Example 1), PVP (Comparative Example 2), Sorbyl 1 (Comparative Example 3), or Tween80 (Comparative Example 4) were used as a sizing agent in the same manner as in Example 1 to prepare the present invention. A comparative sized product was obtained. Table 1 shows the characteristic values of the sized product.
- Example 2 3
- Example 1 Example 2
- Example 3 Example 1 Pelletizing agent PEG PEG No HPMC PVP Sorbi Tween80
- the aqueous solution of sorbitol and polysorbate increased the amount of fine powder of 75 m or less to 38% and 27%, respectively.
- the electron micrograph it was observed that the particles were in a loose state (the electron micrograph is not attached).
- Aqueous solution of PEG and HPMC does not increase the average particle size, but the amount of fine powder of 75 m or less However, 13% and 15%, respectively, were granulated into fine powder of appropriate size.
- the compressibility was 7.7% and 10.6%, respectively, and the fluidity was further improved than the original PEO particles.
- the electron micrograph it was observed that the number of fine particles was reduced and smooth particles having a surface of about 100 to 200 im were formed (the electron micrograph is not attached).
- granulation means a series of unit operations that promote the growth of particles and reduce the amount of fine powder in order to avoid the problem of sticking and scattering of punches during tableting.
- the substance When sorbitol or polysorbate is used as a PEO sizing agent, the substance is not suitable because the amount of fine powder is increased.
- PVP When PVP is used as a PEO sizing agent, it is not preferable because PVP reduces the amount of fine powder but has a high specific volume and poor fluidity, causing tableting trouble and weight uniformity as described above.
- PEG or HPMC When PEG or HPMC is used as a PEO sizing agent, it has appropriate plasticity and binding power, so that loose and fine PEO particles can be recombined and the surface with good fluidity should be dried with a smooth surface It is considered possible 6
- the uniformity of drug mixture in the sized product was as good as 97.3% for drug content and 1.2% for standard deviation.
- the tablets obtained showed a small variation with a standard deviation of weight of 0.2%.
- the spray was spray-dried at a cycle of 20 seconds / '40 seconds, and the particles were sized.
- the sized product was dried at an intake air temperature of 40 for 30 minutes to obtain a sized product of the present invention.
- the sized product had an average particle size of 93 m, a specific volume of 2.22 mL / g, and a repose angle of 39 °.
- the uniformity of drug mixture in the sized product was good with a drug content of 97.7% and a standard deviation of 0.7%.
- the mixture was tabletted with a rotary tableting machine (HT P-22, manufactured by Hata Iron Works) using a 7.5 ⁇ punch.
- the tablet was pressed with a pressure of 400 kgfZ punch and a tablet weight of 181.3 mg to obtain a controlled-release preparation (tablet) of the present invention.
- the obtained tablets showed little variation with a standard deviation of weight of 0.4%.
- Macrogol 6000 3.84 parts were mixed with 9.76 parts of water using a magnetic mixer. It was dissolved by stirring. While stirring with a magnetics mixer, 2.4 parts of tamsulosin hydrochloride, which had been ground in advance using a hammer mill (Sample Mill AP-S, 1 mm screen, manufactured by Hosokawa Micron Corporation), was suspended in this solution, and the spray solution was dispersed. Prepared.
- a coating component can be obtained at a suction temperature of 60 ° C, a pan rotation speed of 13 rpm, and a coating solution supply speed of 5 g / min using a ventilated coating machine (Hyco Ichiyo HCT-30, manufactured by Freund Corporation). It was spray-coated to 3% of the tablet weight to obtain a controlled-release preparation (film-coated tablet) of the present invention. Microscopic observation of the resulting film-coated tablet showed that the pigment was uniformly distributed, the surface was smooth, and no PEO gelation was observed.
- Example 8 A spray solution was prepared by dissolving 1.2 parts of mussin in water and 148.8 parts of water. Next, 60 parts of Macrogol 6000 and 300 parts of PEO (POLYOX® WSR-303, Dow Chemical) were charged into a fluidized bed granulator (FLOW COATER, manufactured by Freund), the inlet temperature was 30 ° C, and the spray rate was 5 g / The granules were sized by spraying the spray liquid at a min / spray dry cycle of 20 seconds / 40 seconds. After sizing, the sized product was dried at an intake air temperature of 40 ° C. for 30 minutes to obtain a sized product of the present invention.
- FLOW COATER fluidized bed granulator
- the sized product had an average particle size of 108 m, a specific volume of 2.66 mL / g, and a repose angle of 40 °.
- a tableting pressure of about 400 m with a 7.0 m ⁇ punch using a flat-tablet tableting machine (HT P-22, manufactured by Hata Iron Works).
- the tablet was tableted with a kgf / punch and a tablet weight of 121 mg to obtain a controlled release preparation (tablet) of the present invention.
- the tablets obtained had a small variation with a standard deviation of weight of 0.6%.
- the tablet content was 97.8%, and the content uniformity was good with a standard deviation of 1.4%.
- hydroxypropylmethylcellulose (6 mPa's) was dissolved in 18.0 parts of water with stirring using a magnetic stirrer. While stirring with a magnetic stirrer, suspend 0.8 parts of musculoscinol hydrochloride hydrochloride previously ground in this solution using a hammer mill (sample mill AP-S, using lmm screen, manufactured by Hosoka Micron). ) To prepare a spray solution. Next, 78.0 parts of 6000 microgol and 400 parts of PEO (POLYOX® WSR-303, Dow Chemical) were charged into a fluidized bed granulator (FLOW COATER, manufactured by Freuit).
- PEO POLYOX® WSR-303
- the particles were sized by spraying the spray liquid at a spray-dry cycle of 5 g / min and a spray-dry cycle of 20 seconds / 40 seconds. After sizing, the sieved product is dried at the intake air temperature 4 (TC for 30 minutes, I got something.
- the sized product had an average particle size of 95 m, a specific volume of 2.53 mL / g , and a repose angle of 36 °.
- the mixing uniformity of the drug in the sized product was good with a drug content of 101.6% and a standard deviation of 1.4%.
- Macrogol 6000 was dissolved in 10.56 parts of water by stirring using a magnetic stirrer. While stirring with a magnetic stirrer, suspend 1.6 parts of a chlorinated hydrochloric acid with a hammer mill (sample mill AP-S, using a 1 mm screen, manufactured by Hosokawa Micron Corporation) in advance in this liquid.
- a hammer mill sample mill AP-S, using a 1 mm screen, manufactured by Hosokawa Micron Corporation
- Macrogol 6000 76.16 parts, PEO (POLYOX® WSR-303, Dow Chemical) 400 parts were charged into a fluidized bed granulator (FLOW COATER, manufactured by Freund), suction temperature 25, spray speed 5 g / min> spray The particle size was adjusted by spraying the spray liquid at a dry cycle of 20 seconds / 40 seconds.
- FLOW COATER manufactured by Freund
- the sized product was dried at an intake air temperature of 40 ° C. for 30 minutes to obtain a sized product of the present invention.
- the sized product had an average particle size of 96 ⁇ m, a specific volume of 2.27 mL / g, and a repose angle of 37 °.
- the mixture was mixed with a rotary tableting machine (HT P-22, manufactured by Hatatetsusho) using a 9 mm ⁇ punch. Tableting was performed with a tableting pressure of 400 kgfZ punch and a tablet weight of 242 mg to obtain a controlled-release preparation (tablet) of the present invention.
- the tablets obtained had a small standard deviation of 0.6% in weight, and the content uniformity was good with a standard deviation of 1.8%.
- the sized product was dried at an intake air temperature of 40 for 30 minutes to obtain the sized product of the present invention.
- the sized product had an average particle size of 110 m, a specific volume of 2.04 mL / g , and an angle of repose of 38 °.
- the uniformity of drug mixture in the sized product was 98.2% and the standard deviation was 5.4%, indicating a decrease in content uniformity.
- the present invention provides a sized product comprising a drug, a high-viscosity polyethylene oxide, and a specific PEO sizing agent, wherein at least the sizing agent is uniformly dispersed in the polyethylene oxide among the three components. It is intended to provide a pharmaceutical composition for controlled release containing:
- a pharmaceutical composition for oral release control with good content uniformity, particularly for low-dose drugs, and therefore, a release control containing a high-viscosity polyethylene oxide as a release control base in particular.
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Abstract
Description
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Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2003801006908A CN1691965B (zh) | 2003-03-06 | 2003-12-24 | 控释用医药组合物及其制备方法 |
| EP03768169.9A EP1523994B1 (en) | 2003-03-06 | 2003-12-24 | Medicinal composition for regulating release and process for producing the same |
| AU2003292756A AU2003292756B2 (en) | 2003-03-06 | 2003-12-24 | Medicinal composition for regulating release and process for producing the same |
| GB0416309A GB2402063B (en) | 2003-03-06 | 2003-12-24 | Pharmaceutical composition for controlled release of active substances and the manufacturing method thereof |
| BR0311908-4A BR0311908A (pt) | 2003-03-06 | 2003-12-24 | Composição farmacêutica para liberação controlada de substâncias ativas e seu método de fabricação |
| ES03768169T ES2432354T3 (es) | 2003-03-06 | 2003-12-24 | Composición medicinal de liberación regulada y procedimiento para su producción |
| KR1020047019905A KR101061394B1 (ko) | 2003-03-06 | 2003-12-24 | 방출 제어용 의약 조성물 및 이의 제조방법 |
| JP2004569118A JP3755532B2 (ja) | 2003-03-06 | 2003-12-24 | 放出制御用医薬組成物およびその製造方法 |
| CA002490299A CA2490299C (en) | 2003-03-06 | 2003-12-24 | Pharmaceutical composition for controlled release of active substances and the manufacturing method thereof |
| MXPA04012974A MXPA04012974A (es) | 2003-03-06 | 2003-12-24 | Composicion medicinal para regular la liberacion y proceso para producir la misma. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45304603P | 2003-03-06 | 2003-03-06 | |
| US60/453,046 | 2003-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004078212A1 true WO2004078212A1 (ja) | 2004-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/016581 Ceased WO2004078212A1 (ja) | 2003-03-06 | 2003-12-24 | 放出制御用医薬組成物およびその製造方法 |
Country Status (21)
| Country | Link |
|---|---|
| US (2) | US7442387B2 (ja) |
| EP (1) | EP1523994B1 (ja) |
| JP (2) | JP3755532B2 (ja) |
| KR (1) | KR101061394B1 (ja) |
| CN (1) | CN1691965B (ja) |
| AR (1) | AR043239A1 (ja) |
| AU (1) | AU2003292756B2 (ja) |
| BR (1) | BR0311908A (ja) |
| CA (1) | CA2490299C (ja) |
| CZ (1) | CZ14386U1 (ja) |
| DE (1) | DE202004003404U1 (ja) |
| ES (1) | ES2432354T3 (ja) |
| GB (1) | GB2402063B (ja) |
| MX (1) | MXPA04012974A (ja) |
| PL (1) | PL209908B1 (ja) |
| PT (1) | PT1523994E (ja) |
| RU (1) | RU2291711C2 (ja) |
| SK (1) | SK4070U (ja) |
| TW (1) | TWI307632B (ja) |
| WO (1) | WO2004078212A1 (ja) |
| ZA (1) | ZA200410386B (ja) |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1568361A3 (en) * | 2003-11-10 | 2006-02-22 | Astellas Pharma Inc. | Sustained-release pharmaceutical composition containing tamsulosin |
| WO2008018569A1 (en) * | 2006-08-10 | 2008-02-14 | Takeda Pharmaceutical Company Limited | Pharmaceutical composition |
| JP2008528653A (ja) * | 2005-02-04 | 2008-07-31 | グリュネンタール・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | 乱用に対して保護された投薬形の製造方法 |
| WO2010072401A1 (en) | 2008-12-24 | 2010-07-01 | Synthon B.V. | Low dose controlled release tablet |
| WO2010090172A1 (ja) | 2009-02-04 | 2010-08-12 | アステラス製薬株式会社 | 経口投与用医薬組成物 |
| US8030355B2 (en) | 2006-05-17 | 2011-10-04 | Synthon Bv | Tablet composition with a prolonged release of tamsulosin |
| US8106100B2 (en) | 2005-12-06 | 2012-01-31 | Asahi Kasei Chemicals Corporation | Process for producing tablet by high-speed direct compression |
| US8722086B2 (en) | 2007-03-07 | 2014-05-13 | Gruenenthal Gmbh | Dosage form with impeded abuse |
| JP2015010085A (ja) * | 2013-07-02 | 2015-01-19 | 三菱瓦斯化学株式会社 | ピロロキノリンキノン類を含む分散液 |
| US9161917B2 (en) | 2008-05-09 | 2015-10-20 | Grünenthal GmbH | Process for the preparation of a solid dosage form, in particular a tablet, for pharmaceutical use and process for the preparation of a precursor for a solid dosage form, in particular a tablet |
| US9579285B2 (en) | 2010-02-03 | 2017-02-28 | Gruenenthal Gmbh | Preparation of a powdery pharmaceutical composition by means of an extruder |
| US9629807B2 (en) | 2003-08-06 | 2017-04-25 | Grünenthal GmbH | Abuse-proofed dosage form |
| US9636303B2 (en) | 2010-09-02 | 2017-05-02 | Gruenenthal Gmbh | Tamper resistant dosage form comprising an anionic polymer |
| US9655853B2 (en) | 2012-02-28 | 2017-05-23 | Grünenthal GmbH | Tamper-resistant dosage form comprising pharmacologically active compound and anionic polymer |
| US9675610B2 (en) | 2002-06-17 | 2017-06-13 | Grünenthal GmbH | Abuse-proofed dosage form |
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