WO2010117035A1 - 複合体及びその製造方法、ならびに粒状剤及び錠剤 - Google Patents
複合体及びその製造方法、ならびに粒状剤及び錠剤 Download PDFInfo
- Publication number
- WO2010117035A1 WO2010117035A1 PCT/JP2010/056363 JP2010056363W WO2010117035A1 WO 2010117035 A1 WO2010117035 A1 WO 2010117035A1 JP 2010056363 W JP2010056363 W JP 2010056363W WO 2010117035 A1 WO2010117035 A1 WO 2010117035A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ibuprofen
- complex
- composite
- aluminum hydroxide
- tablet
- Prior art date
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- 238000000034 method Methods 0.000 title description 9
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Classifications
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid
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- 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
- A61K47/50—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
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- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
- A61K9/0056—Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals
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- 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
- A61K9/1611—Inorganic compounds
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- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
- A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
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- A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
- A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
- A61K9/2081—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets with microcapsules or coated microparticles according to A61K9/50
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- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
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Definitions
- the present invention relates to a composite in which the dissolution property of ibuprofen is improved and the bitterness is masked, a method for producing the same, and a granule and a tablet containing the composite.
- Ibuprofen is widely used for antipyretic analgesics and cold medicines, but has a bitter taste and has a problem in ingestion.
- Bitter taste masking has generally been improved by coating and granulation of ibuprofen particles.However, there is a problem that elution of ibuprofen decreases when coating and granulation are performed at a level that provides sufficient masking properties. there were. Therefore, the effect may be delayed for headaches that need to be corrected as soon as possible. This tendency is particularly noticeable when tablets are dissolved in the oral cavity and taken without water, such as orally disintegrating tablets and chewable tablets, and it is extremely possible to achieve both practical dissolution and bitterness masking properties. It was difficult.
- the present invention has been made in view of the above circumstances, and an object thereof is to provide a composite containing ibuprofen, a method for producing the same, and a granule and a tablet containing the composite containing ibuprofen, which are compatible with the dissolution property and bitterness masking property of ibuprofen.
- the present inventors have found that the elution and bitterness masking properties of ibuprofen can be achieved by using a composite containing amorphous ibuprofen and aluminum hydroxide. It has been found and the present invention has been made. Furthermore, it has been found that by using this complex in combination with thaumatin and / or crospovidone having a median diameter of less than 30 ⁇ m, a significant bitterness masking effect of ibuprofen can be obtained, and the present invention has been made. is there.
- the present invention provides the following composite, a production method thereof, a granule and a tablet.
- a composite comprising ibuprofen or a salt thereof and aluminum hydroxide, wherein ibuprofen is amorphous ibuprofen.
- [2] The composite according to [1], wherein aluminum hydroxide is dispersed in an ibuprofen solution comprising ibuprofen or a salt thereof and a solvent, and then the solvent is distilled off.
- a complex containing ibuprofen a method for producing the same, and a granule and a tablet containing the same, which can achieve both dissolution properties and bitterness masking properties of ibuprofen.
- FIG. 2 is a chart showing thermal analysis (DSC) results of particles of Example 1.
- the composite of the present invention contains ibuprofen or a salt thereof and aluminum hydroxide, and ibuprofen is amorphous ibuprofen.
- ibuprofen or its salt examples include ibuprofen (2- (4-isobutyphenyl) propionic acid) and its salts such as sodium, potassium, magnesium, calcium, ammonium, methylglucamine, and salts with amino acids such as lysine. Can be mentioned. Ibuprofen or a salt thereof is effective as an antipyretic analgesic, but has a problem in dissolution and has a bitter taste.
- the compounding amount of ibuprofen in the complex and the preparation (granulate and tablet) is appropriately selected based on the OTC drug approval reference amount so that the daily dose is 450 mg.
- Aluminum hydroxide serves as a support for amorphized ibuprofen.
- aluminum hydroxide it is preferable to use aluminum hydroxide having an oil absorption of 1 mL / g or more, more preferably 1.2 mL / g or more. If the oil absorption is less than 1 mL / g, the amorphous stability may be insufficient.
- the upper limit of the oil absorption amount is not particularly limited, but if the oil absorption amount is too large, there may be a problem in the productivity of the composite, and 7 mL / g or less is preferable.
- the blending amount of ibuprofen in the complex and preparation (granule and tablet) is preferably 1 / 0.5 to 7, more preferably 1/1 to 4 by mass ratio represented by ibuprofen / aluminum hydroxide.
- the carrier for the amorphized ibuprofen Although it is preferable to use only aluminum hydroxide as the carrier for the amorphized ibuprofen, other carrier components and aluminum hydroxide can be used in combination as long as the effects of the present invention are not impaired.
- other carrier components include light anhydrous silicic acid and calcium carbonate.
- the amount of aluminum hydroxide in the carrier is preferably 70 to 100% by mass, more preferably 85 to 100% by mass.
- the amount of ibuprofen in the supported components is preferably 70 to 100% by mass, more preferably 85 to 100% by mass.
- Non-steroidal anti-inflammatory agents such as nitrazepam, triazolam, phenobarbital, and amibarbital; hypnotics and sedatives such as phenytoin, metalbital, primidone, clonazepam, carbamazepine, and valproic acid; meclizine hydrochloride, dimenhydrinate Antidepressants; antidepressants such as imiplanin, noxiptylline, phenelzine; haloperidol, meprobamate, chlordiazepoxide, diazebam, oxa
- Vitamins dimethicone, famotidine, ranitidine, cimetidine, nizatidine, metoclopramide, famotidine, omeprazole, sulpiride, trepibutone, sucralfa Gastrointestinal diseases therapeutic agents such as caffeine, dicoumarol, cinnarizine, clofibrate, gefarnate, brobenesid, mercaptopurine, methotrexate, ursodeoxycholic acid, dihydroergotamine mesylate, glucuronolactone, ⁇ - Bioactive substances such as aminobutyric acid, chondroitin, sodium chondroitin sulfate, lactoferrin, milk protein, cysteine, collagen; starch, pregelatinized starch, sucrose, gelatin, gum arabic powder, methylcellulose, carmellose, carmellose calcium, carmellose sodium , Hydroxypropylcellulose, hydroxypropylmethylcellulose, polyvinylpyr
- the complex is a method in which aluminum hydroxide is dispersed or dissolved in an ibuprofen solution composed of ibuprofen or a salt thereof and a solvent, and then the solvent is distilled off.
- An aluminum hydroxide gel is added to ibuprofen or a salt thereof, and the mixture is melted by heating. It can be obtained by, for example, a method of cooling after cooling and solidifying. In this way, ibuprofen or a salt thereof is once dissolved, and reprecipitated using aluminum hydroxide as a carrier, whereby ibuprofen is non-crystallized and a composite in which amorphous ibuprofen is supported on aluminum hydroxide is obtained. Non-crystallization can be confirmed from the fact that a diffraction peak derived from an ibuprofen crystal is not observed with a thermal analysis (DSC) diffractometer.
- DSC thermal analysis
- the method of distilling off the solvent is preferable, and the solvent for dissolving ibuprofen or a salt thereof is not particularly limited as long as it can dissolve ibuprofen or a salt thereof, but a solvent such as ethanol, methanol, acetone, acetonitrile, water, aqueous sodium hydroxide, etc. Can be used alone or in combination of two or more.
- the concentration of ibuprofen in the ibuprofen solution is not particularly limited as long as it can be dissolved, but is 0.1 to 50% by mass.
- the mass ratio represented by ibuprofen / aluminum hydroxide is preferably 1 / 0.5 to 7, and more preferably 1/1 to 4. If the amount of aluminum hydroxide relative to ibuprofen is less than 0.5, the amorphous stability may be insufficient, and the dissolution property may be poor. Further, since the amount of ibuprofen in the composite decreases when the amount of aluminum hydroxide increases, the amount of particles may increase in order to obtain an effective amount of ibuprofen.
- the obtained liquid is evaporated.
- the method for distilling off the solvent is not particularly limited, and a known method such as an evaporator can be used.
- the obtained composite can be pulverized, granulated, or sized as it is or as necessary to obtain composite particles having a predetermined particle diameter.
- the volume average particle diameter of the particles is preferably from 0.1 to 800 ⁇ m, more preferably from 1 to 600 ⁇ m.
- the measurement of the average particle diameter in this invention uses the particle size distribution measuring apparatus by a laser diffraction scattering method.
- the composite is usually “as it is, or, if necessary, within the range where the effects of the present invention are not impaired, and / or a granulated product to which other components are added” , Composite particles) ”.
- the ratio of the composite is appropriately selected in the range of 30 to 100% by mass in the composite particle, more preferably 50 to 100% by mass, and still more preferably 70 to 100% by mass.
- the component quoted by [0014] is mentioned, for example.
- a solution or dispersion of a coating agent selected from ethylcellulose, triacetin, hydroxypropylcellulose, hydroxypropylmethylcellulose, methylcellulose, polyvinylpyrrolidone, pregelatinized starch and gelatin is separately sprayed and It is good also as a coating particle by drying and coating. Thereby, interaction with other components, etc. can be reduced.
- the concentration of the coating agent in the solution or dispersion is preferably 0.1 to 50% by mass, and more preferably 1 to 20% by mass.
- the granulating apparatus used for coating is not particularly limited, and a Wurster type fluidized bed granulator or the like is appropriately selected.
- the supply air temperature during flow is preferably 40 to 90 ° C, and the exhaust temperature is preferably 20 to 40 ° C.
- the drying temperature and time are not particularly limited, and the drying is performed at 40 to 80 ° C. for about 1 to 120 minutes.
- the amount of the coating agent can be performed within a range that does not significantly impair the effects of the present invention.
- the composite or composite particle of the present invention can be blended to prepare a granule or tablet preparation containing the composite.
- the tablet is an orally disintegrating tablet, an orally dissolving tablet, or a chewable tablet that can be chewed and taken in the mouth, the effect of the present invention is remarkably exhibited.
- complex is suitably selected according to the intake amount of the said ibuprofen or its salt, and aluminum hydroxide. For example, in the case of 2 tablets at a time and the mass ratio of ibuprofen to aluminum hydroxide (ibuprofen / aluminum hydroxide) is 1/1, the amount of the complex per tablet is 150 mg.
- thaumatin and / or crospovidone having a median diameter of less than 30 ⁇ m is blended, whereby the bitterness of ibuprofen is remarkably suppressed by the synergistic effect with the complex or the composite particle. Show the effect.
- the combined use of thaumatin and crospovidone having a median diameter of less than 30 ⁇ m further suppresses the bitter taste of ibuprofen.
- Saumatine is a type of protein, also known as thaumatin. Although thaumatin is usually mixed with powder, when ibuprofen is granulated, it may be mixed in the granulated particles.
- the amount of thaumatin is preferably 0.01 to 50 parts by weight, more preferably 0.01 to 1.0 parts by weight, and particularly preferably 0.01 to 0.10 parts by weight with respect to 100 parts by weight of ibuprofen. . Within this range, the effect of suppressing bitterness can be obtained effectively.
- crospovidone having a median diameter of less than 30 ⁇ m examples include Kollidon CL-F, CL-SF, CL-M manufactured by BASF, and polyplastidone INF-10 manufactured by ISP. Further, crospovidone having a median diameter of 30 ⁇ m or more can be pulverized according to a conventional method. The lower limit of the median diameter is not particularly set, but is usually preferably 1 ⁇ m or more.
- the amount of crospovidone having a median diameter of less than 30 ⁇ m is preferably 0.1 to 150 parts by weight, more preferably 0.5 to 120 parts by weight, and particularly preferably 1 to 100 parts by weight with respect to 100 parts by weight of ibuprofen. Within this range, the effect of suppressing bitterness can be obtained effectively.
- the components to be added to the preparation can be used singly or in appropriate combination of two or more, as long as the effects of the present invention are not impaired. be able to.
- the following are mentioned as other components.
- excipients include cellulose and derivatives thereof, starch and derivatives thereof, saccharides, sugar alcohols, and the like. More specifically, crystalline cellulose, lactose, sucrose, mannitol, erythritol, corn starch, potato starch, hydroxy And propyl starch.
- binder examples include hydroxypropylcellulose, hydroxypropylmethylcellulose, methylcellulose, ethylcellulose, polyvinyl alcohol, polyvinylpyrrolidone, gelatin, dextrin, starch, pregelatinized starch and the like.
- disintegrant examples include carmellose, carmellose calcium, croscarmellose sodium, low-substituted hydroxypropyl cellulose, low-substituted carboxymethyl starch sodium, and crospovidone having a median diameter of 30 ⁇ m or more.
- lubricant examples include magnesium stearate, calcium stearate, sucrose fatty acid ester, anhydrous silicic acid, light anhydrous silicic acid, sodium stearyl fumarate and the like.
- the preparation can be made into a granule by mixing a complex and an optional component, and then wrapping the mixture, and the mixture can be compression molded with a rotary tableting machine, a single-punch tableting machine, or the like.
- a sugar coating or a pigment-containing coating can be appropriately formed into tablets.
- Example 1 100 g of crystalline ibuprofen was dissolved in 200 g of ethanol. 50 g of dry aluminum hydroxide gel was added thereto to make a uniform slurry, and then the solvent was distilled off with a rotary evaporator. When the crystallinity of the residue was evaluated with a thermal analyzer manufactured by Rigaku Denki Co., Ltd., no melting peak derived from ibuprofen crystals was observed, and ibuprofen was amorphous. The residue was sieved with a sieve of 150 to 355 ⁇ m to obtain particles with a volume average particle diameter of 200 ⁇ m. In addition, the chart which shows the thermal analysis (DSC) result of the particle
- DSC thermal analysis
- Example 6 After adding 50 g of dry aluminum hydroxide gel to 100 g of crystalline ibuprofen, ibuprofen was melted with stirring in a 90 ° C. water bath. The molten dispersion was put into a stainless steel vat and cooled to room temperature, and the solidified product was pulverized in a mortar. When the crystallinity of the solidified product was evaluated by a thermal analyzer manufactured by Rigaku Corporation, no melting peak derived from ibuprofen crystals was observed, and ibuprofen was amorphous.
- Comparative Example 6 The particles obtained in Comparative Example 5 were used as core particles, an aqueous dispersion of 20% ethyl cellulose and 3% triacetin was used as a coating solution, and an air supply temperature was 70 using an MP-01 Wurster type fine particle coating apparatus (manufactured by POWREC). Granulation was performed at a temperature of 30 ° C. and an exhaust temperature of 30 ° C., followed by quenching at 80 ° C. for 1 hour to obtain coating particles. The coating rate was 15 parts with respect to 100 parts in total of ibuprofen and dry aluminum hydroxide gel. The coating agent is not listed in the table.
- Examples 7 to 16 The compositions shown in Tables 3 and 4 were mixed and tableted with a tableting tester at a tableting pressure of 400 kg to obtain an orally disintegrating tablet with a diameter of 10 mm.
- Examples 17 to 21 The composite particles of Examples 1, 2, 5, 6 and 7 were used as core particles, an aqueous dispersion of 20% ethyl cellulose and 3% triacetin was used as a coating solution, and MP-01 Wurster type fine particle coating apparatus (manufactured by POWREC). The mixture was granulated at a supply temperature of 70 ° C. and an exhaust temperature of 30 ° C., and then quenched at 80 ° C. for 1 hour to obtain coating particles. The coating rate was 15 parts with respect to 100 parts in total of ibuprofen and dry aluminum hydroxide gel. All ibuprofen of these coating particles were amorphous, and both bitterness and dissolution were excellent as in Examples 1-16.
- Example 22 100 g of crystalline ibuprofen was dissolved in 200 g of ethanol. To this, 100 g of dry aluminum hydroxide gel and 50 g of magnesium aluminate metasilicate were added to form a uniform slurry, and then the solvent was distilled off with a rotary evaporator. When the crystallinity of the residue was evaluated with a thermal analyzer manufactured by Rigaku Denki Co., Ltd., no melting peak derived from ibuprofen crystals was observed, and ibuprofen was amorphous. The residue was sieved with a sieve of 150 to 355 ⁇ m to obtain composite particles having an average particle diameter of 200 ⁇ m.
- Example 23 A mixture having the following composition was prepared using the composite particles obtained in Example 22, and 422.55 mg of this mixture was tableted with a tableting tester at a tableting pressure of 400 kg to obtain an orally disintegrating tablet with a diameter of 10 mm. .
- Mixture composition composite particles (Example 22) 187.5 g 150 g of crystalline cellulose (Theolas KG801) Crospovidone (Polyplusdon INF-10) 80g Somachin 0.05g Magnesium stearate 5g Total 422.55g
- Example 24 Composite particles were obtained in the same manner as in Example 22 except that 100 g of ibuprofen, 200 g of dry aluminum hydroxide gel, and 100 g of magnesium aluminate metasilicate were used. The obtained composite particles were granulated by the same method as in Example 17 to obtain coating particles.
- Example 25 A mixture having the following composition was prepared using the coating particles obtained in Example 24, and 457.6 mg of this mixture was tableted with a tableting tester at a tableting pressure of 400 kg to obtain an orally disintegrating tablet with a diameter of 10 mm. .
- Mixture composition coated particles (Example 24) 172.5 g Acetaminophen coating * 85 g 140g D-mannitol Crospopidone (Kollidon CL) 50g Somachin 0.05g Magnesium stearate 10g Total 457.55g * Coated product of acetaminophen; acetaminophen was granulated and coated in the same manner as in Example 17. The coating rate was 15 parts by mass with respect to 100 parts by mass of acetaminophen.
- Example 26 Composite particles were obtained in the same manner as in Example 18 except that 100 g of ibuprofen, 100 g of dry aluminum hydroxide gel, and 200 g of magnesium aluminate metasilicate were used. The obtained composite particles were granulated by the same method as in Example 17 to obtain coating particles.
- Example 27 A mixture having the following composition was prepared using the coating particles obtained in Example 26, and 470 mg of this mixture was tableted with a tableting tester at a tableting pressure of 400 kg to obtain an orally disintegrating tablet with a diameter of 10 mm.
- 345 g of mixture composition coated particles Fructose 100g Crospopidone (Kollidon CL-SF) 20g Somachin 0.05g Sucralose 0.3g Magnesium stearate 5g Fragrance 0.5g Total 470.85g
- the ibuprofen in the composite particles obtained in Examples 22 to 27 was amorphous, and the bitterness and dissolution were excellent as in Examples 1 to 16.
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Abstract
Description
[1].イブプロフェン又はその塩と水酸化アルミニウムとを含有し、イブプロフェンが非晶質イブプロフェンであることを特徴とする複合体。
[2].イブプロフェン又はその塩と溶媒とからなるイブプロフェン溶液に、水酸化アルミニウムを分散させた後、溶媒留去してなることを特徴とする[1]記載の複合体。
[3].水酸化アルミニウムの吸油量が1mL/g以上である[1]又は[2]記載の複合体。
[4].[1]~[3]のいずれかに記載の複合体又はこの複合体を含む複合体粒子と、ソーマチンとを含む粒状剤。
[5].[1]~[3]のいずれかに記載の複合体又はこの複合体を含む複合体粒子と、メジアン径が30μm未満のクロスポビドンとを含む粒状剤。
[6].[1]~[3]のいずれかに記載の複合体又はこの複合体を含む複合体粒子と、ソーマチンとを含む錠剤。
[7].[1]~[3]のいずれかに記載の複合体又はこの複合体を含む複合体粒子と、メジアン径が30μm未満のクロスポビドンとを含む錠剤。
[8].錠剤が、口腔内崩壊錠、口腔内溶解錠又はチュアブル錠である[6]又は[7]記載の錠剤。
[9].イブプロフェン又はその塩と溶媒とからなるイブプロフェン溶液に、水酸化アルミニウムを分散させた後、溶媒留去することを特徴とする[1]記載の複合体の製造方法。
イブプロフェン又はその塩としては、イブプロフェン(2-(4-isobutylphenyl)propionic acid)及びその塩類、例えば、ナトリウム、カリウム、マグネシウム、カルシウム、アンモニウム、メチルグルカミン、さらにはリジン等のアミノ酸との塩等が挙げられる。イブプロフェン又はその塩は解熱鎮痛薬として有効であるが、溶出性に問題があり、苦味を有する。イブプロフェンの複合体及び製剤(粒状剤及び錠剤)への配合量は、OTC医薬品承認基準量に基づき、1日服用量が450mgとなるように適宜選定される。
水酸化アルミニウムは、非晶質化イブプロフェンの担体となるものである。水酸化アルミニウムとしては、好ましくは吸油量1mL/g以上、より好ましくは1.2mL/g以上の水酸化アルミニウムを用いることができる。吸油量が1mL/g未満では非晶質の安定性が不十分となるおそれがある。吸油量の上限は特に限定されないが、吸油量が大きすぎると複合体の製造性に問題が生じる場合があり、7mL/g以下が好ましい。イブプロフェンの複合体及び製剤(粒状剤及び錠剤)への配合量は、イブプロフェン/水酸化アルミニウムで表される質量比が1/0.5~7が好ましく、1/1~4がより好ましい。
複合体は、例えば、イブプロフェン又はその塩と溶媒とからなるイブプロフェン溶液に、水酸化アルミニウムを分散又は溶解させた後、溶媒留去する方法、イブプロフェン又はその塩に水酸化アルミニウムゲルを加え、加熱溶融させた後に冷却し、固化させる方法等により得ることができる。このように、イブプロフェン又はその塩を一度溶解させ、水酸化アルミニウムを担体として、再析出させることで、イブプロフェンが非結晶化され、非晶質イブプロフェンが水酸化アルミニウムに担持された複合体となる。非結晶化は、熱分析(DSC)回折装置にて、イブプロフェン結晶由来の回折ピークが観察されないことから確認できる。
本発明の複合体又は複合体粒子を配合し、これを含有する粒状剤又は錠剤の製剤とすることができる。特に錠剤が、口腔内崩壊錠、口腔内溶解錠又は口中で咀嚼して服用可能なチュアブル錠等にした場合、本発明の効果が顕著に発揮される。複合体の配合量は、上記イブプロフェン又はその塩、水酸化アルミニウムの摂取量に合わせ、適宜選定される。例えば、1回2錠で、イブプロフェンと水酸化アルミニウムの質量比(イブプロフェン/水酸化アルミニウム)が1/1の場合、1錠当たりの複合体配合量としては150mgとなる。
結晶性イブプロフェン100gをエタノール200gに溶解した。これに乾燥水酸化アルミニウムゲル50gを加えて均一なスラリーとした後、ロータリーエバポレーターにて溶媒を留去した。残留物の結晶性を理学電気(株)製熱分析装置にて評価したところ、イブプロフェン結晶由来の融解ピークは観察されず、イブプロフェンは非晶質化していた。残留物を150~355μmの篩いで篩過し、体積平均粒径200μmの粒子を得た。
なお、実施例1の粒子の熱分析(DSC)結果を示すチャートを図1に示す。
乾燥水酸化アルミニウムゲルを表1,2の成分及び量に変更する以外は、実施例1と同様の方法で、粒子を得た。粒子の結晶性を理学電気(株)製熱分析装置にて評価した。イブプロフェンの結晶又は非晶質化は表に示す通りである。
していた。さらに、表中にソーマチン(三栄源エフ・エフ・アイ社 サンスイートT-147)又はスクラロース(三栄源エフ・エフ・アイ社 スクラロース)量の記載がある場合は、これらを添加・混合し、粒状剤を得た。
結晶性イブプロフェン100gに乾燥水酸化アルミニウムゲル50gを加えた後、90℃の水浴上でイブプロフェンを撹拌しながら溶融した。溶融分散物をステンレス製のバットにあけて室温まで冷却し、固化物を乳鉢で粉砕した。固化物の結晶性を理学電気(株)製熱分析装置にて評価したところ、イブプロフェン結晶由来の融解ピークは観察されず、イブプロフェンは非晶質化していた。
結晶性イブプロフェン100gと乾燥水酸化アルミニウムゲル100g、ソーマチン0.05gとをビニール袋に入れ、手で30回振って混合した。混合物の結晶性を理学電気(株)製熱分析装置にて評価したところ、イブプロフェン結晶由来の融解ピークが観察され、イブプロフェンは結晶性であった。
比較例5で得られた粒子を核粒子とし、エチルセルロース20%、トリアセチン3%の水分散液をコーティング液とし、MP-01ワースター型微粒子コーティング装置(パウレック社製)にて、給気温度は70℃、排気温度30℃で造粒し、その後、80℃・1時間クエンチングして、コーティング粒子を得た。コーティング率は、イブプロフェンと乾燥水酸化アルミニウムゲルの合計量100部に対して15部であった。コーティング剤については、表に記載していない。
表3,4に示す組成物を混合し、タブレッティングテスターにて打錠圧400kgで打錠し、直径10mmの口腔内崩壊錠を得た。
実施例2で得られた複合粒子を、比較例6で得られたコーティング粒子にする以外は、実施例8と同様の方法で、口腔内崩壊錠を得た。
<苦味抑制>
イブプロフェン量として75mgとなる量の粒状剤、及び口腔内崩壊錠を専門パネル8名が口中で20秒間溶解させた。溶解物を吐き出した後、下記評価基準に従って官能評価を行った。結果を平均値で示す。
1点:非常に苦い
2点:かなり苦い
3点:苦い
4点:やや苦い
5点:苦くない
日局一般試験法に準じ、溶出液にpH4.5のクエン酸緩衝液を用い、イブプロフェン量として75mgとなる量の粒状剤、及び口腔内崩壊錠を溶解させ、10分における溶出率を算出した。結果を溶出率と評価下記基準で示す。
◎:溶出率70%以上
○:溶出率55%以上70%未満
△:溶出率40%以上55%未満
×:溶出率40%未満
実施例1、2、5、6及び7の複合粒子を核粒子とし、エチルセルロース20%、トリアセチン3%の水分散液をコーティング液とし、MP-01ワースター型微粒子コーティング装置(パウレック社製)にて、給気温度は70℃、排気温度30℃で造粒し、その後80℃・1時間クエンチングし、コーティング粒子を得た。コーティング率は、イブプロフェンと乾燥水酸化アルミニウムゲルの合計量100部に対して15部であった。これらコーティング粒子のイブプロフェンはいずれも非晶質となっており、苦味、溶出性とも実施例1~16と同様に優れていた。
結晶性イブプロフェン100gをエタノール200gに溶解した。これに乾燥水酸化アルミニウムゲル100g及びメタケイ酸アルミン酸マグネシウム50gを加えて均一なスラリーとした後、ロータリーエバポレーターにて溶媒を留去した。残留物の結晶性を理学電気(株)製熱分析装置にて評価したところ、イブプロフェン結晶由来の融解ピークは観察されず、イブプロフェンは非晶質化していた。残留物を150~355μmの篩いで篩過し、平均粒径200μmの複合粒子を得た。
実施例22で得られた複合粒子を用いて下記組成の混合物を調製し、この混合物422.55mgをタブレッティングテスターにて打錠圧400kgで打錠し、直径10mmの口腔内崩壊錠を得た。
混合物組成
複合粒子(実施例22) 187.5g
結晶セルロース(セオラスKG801) 150g
クロスポビドン(ポリプラスドンINF-10) 80g
ソーマチン 0.05g
ステアリン酸マグネシウム 5g
合計 422.55g
イブプロフェン100g、乾燥水酸化アルミニウムゲル200g、メタケイ酸アルミン酸マグネシウム100gとする以外は実施例22と同様の方法で、複合粒子を得た。得られた複合粒子を実施例17と同様の方法で造粒し、コーティング粒子を得た。
実施例24で得られたコーティング粒子を用いて下記組成の混合物を調製し、この混合物457.6mgをタブレッティングテスターにて打錠圧400kgで打錠し、直径10mmの口腔内崩壊錠を得た。
混合物組成
コーティング粒子(実施例24) 172.5g
アセトアミノフェンのコーティング物* 85g
D-マンニトール 140g
クロスポピドン(コリドンCL) 50g
ソーマチン 0.05g
ステアリン酸マグネシウム 10g
合計 457.55g
*アセトアミノフェンのコーティング物;アセトアミノフェンを実施例17と同様の方法で造粒し、コーティングした。コーティング率はアセトアミノフェン100質量部に対して15質量部であった。
イブプロフェン100g、乾燥水酸化アルミニウムゲル100g、メタケイ酸アルミン酸マグネシウム200gとする以外は実施例18と同様の方法で、複合粒子を得た。得られた複合粒子を実施例17と同様の方法で造粒し、コーティング粒子を得た。
実施例26で得られたコーティング粒子を用いて下記組成の混合物を調製し、この混合物470mgをタブレッティングテスターにて打錠圧400kgで打錠し、直径10mmの口腔内崩壊錠とした。
混合物組成
コーティング粒子(実施例26) 345g
果糖 100g
クロスポピドン(コリドンCL-SF) 20g
ソーマチン 0.05g
スクラロース 0.3g
ステアリン酸マグネシウム 5g
香料 0.5g
合計 470.85g
実施例22~27で得られた複合粒子中のイブプロフェンは非晶質であり、苦味、溶出性は実施例1~16と同様に優れていた。
Claims (9)
- イブプロフェン又はその塩と水酸化アルミニウムとを含有し、イブプロフェンが非晶質イブプロフェンであることを特徴とする複合体。
- イブプロフェン又はその塩と溶媒とからなるイブプロフェン溶液に、水酸化アルミニウムを分散させた後、溶媒留去してなることを特徴とする請求項1記載の複合体。
- 水酸化アルミニウムの吸油量が1mL/g以上である請求項1又は2記載の複合体。
- 請求項1~3のいずれか1項記載の複合体又はこの複合体を含む複合体粒子と、ソーマチンとを含む粒状剤。
- 請求項1~3のいずれか1項記載の複合体又はこの複合体を含む複合体粒子と、メジアン径が30μm未満のクロスポビドンとを含む粒状剤。
- 請求項1~3のいずれか1項記載の複合体又はこの複合体を含む複合体粒子と、ソーマチンとを含む錠剤。
- 請求項1~3のいずれか1項記載の複合体又はこの複合体を含む複合体粒子と、メジアン径が30μm未満のクロスポビドンとを含む錠剤。
- 錠剤が、口腔内崩壊錠、口腔内溶解錠又はチュアブル錠である請求項6又は7記載の錠剤。
- イブプロフェン又はその塩と溶媒とからなるイブプロフェン溶液に、水酸化アルミニウムを分散させた後、溶媒留去することを特徴とする請求項1記載の複合体の製造方法。
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KR20140027287A (ko) * | 2011-04-27 | 2014-03-06 | 스미또모 가가꾸 가부시끼가이샤 | 입상 농약 조성물 |
KR101944560B1 (ko) | 2011-04-27 | 2019-01-31 | 스미또모 가가꾸 가부시끼가이샤 | 입상 농약 조성물 |
WO2017115745A1 (ja) | 2015-12-28 | 2017-07-06 | エスエス製薬株式会社 | 圧縮成型製剤 |
JP2020083884A (ja) * | 2018-11-16 | 2020-06-04 | エスエス製薬株式会社 | イブプロフェン含有経口用医薬製剤 |
JP7406349B2 (ja) | 2018-11-16 | 2023-12-27 | エスエス製薬株式会社 | イブプロフェン含有経口用医薬製剤 |
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JPWO2010117035A1 (ja) | 2012-10-18 |
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