JPH11335302A - Stable medicinal composition - Google Patents

Stable medicinal composition

Info

Publication number
JPH11335302A
JPH11335302A JP16001198A JP16001198A JPH11335302A JP H11335302 A JPH11335302 A JP H11335302A JP 16001198 A JP16001198 A JP 16001198A JP 16001198 A JP16001198 A JP 16001198A JP H11335302 A JPH11335302 A JP H11335302A
Authority
JP
Japan
Prior art keywords
formula
component
methacrylic acid
pharmaceutical composition
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP16001198A
Other languages
Japanese (ja)
Inventor
Kensaku Sato
謙作 佐藤
Kunihiko Kimura
邦彦 木村
Tadashi Matsui
正 松井
Kentaro Kojo
健太郎 古城
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toa Eiyo Ltd
Original Assignee
Toa Eiyo Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toa Eiyo Ltd filed Critical Toa Eiyo Ltd
Priority to JP16001198A priority Critical patent/JPH11335302A/en
Publication of JPH11335302A publication Critical patent/JPH11335302A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To obtain a stable medicinal composition having high selectivity to an adenosine A2 receptor, an angiectasis activity and a platelet aggregation suppressing activity and useful as a hypertension curing agent, etc., by mixing a specific purine derivative with a methacrylic acid copolymer or an antioxidant. SOLUTION: This medicinal composition contains (A) (-)-6-amino-2-(1- octinyl)-9-β-D-ribofuranosyl-9H-purine expressed by the formula and (B) a methacrylic acid copolymer, preferably an aminoalkyl methacrylate copolymer, etc., or (C) an antioxidant, preferably dibutylhydroxytoluene, etc. A mixing ratio of (the component A/the component B) is (1/0.1)-(1/5) and a mixing ratio of (the component A/the component C) is (1/0.01)-(1/1), and the objective composition is preferably prepared by dissolving or suspending the component A and the component B in water and/or an organic solvent, adding an excipient and pelletizing or covering to a small particular nucleus.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、下記式(1)で表され
る(−)−6−アミノ−2−(1−オクチニル)−9−
β−D−リボフラノシル−9H−プリンの安定な医薬組
成物及びその製法に関するものである。
The present invention relates to (-)-6-amino-2- (1-octynyl) -9- represented by the following formula (1).
The present invention relates to a stable pharmaceutical composition of β-D-ribofuranosyl-9H-purine and a method for producing the same.

【化2】 Embedded image

【0002】[0002]

【従来の技術】式(1)の化合物はアデノシンデアミナ
ーゼに抵抗性を有する経口投与が可能なアデノシン誘導
体であり、アデノシンA2受容体に高い選択性を有し、
血管拡張作用と血小板凝集抑制作用を有することから、
新たな高血圧治療剤や末梢循環治療剤、更には脳循環治
療剤として有用である。
BACKGROUND ART Compounds of formula (1) is an adenosine derivative which can be administered orally having resistance to adenosine deaminase, has a high selectivity for the adenosine A 2 receptor,
Because it has a vasodilator action and a platelet aggregation inhibitory action,
It is useful as a new therapeutic agent for hypertension, a therapeutic agent for peripheral circulation, and a therapeutic agent for cerebral circulation.

【0003】[0003]

【発明が解決しようとする課題】式(1)の化合物は安
定性が悪く、熱、湿度又は酸素曝気のいずれの条件下で
も分解して着色することから、乳糖、デンプン及び結晶
セルロースからなる通常の固形製剤の組成では、安定な
医薬組成物は得られず、医療の場において要求される安
定性を確保することに問題があった。
The compound of the formula (1) has poor stability and decomposes under heat, humidity or oxygen aeration to form a color. Therefore, the compound comprising lactose, starch and crystalline cellulose is usually used. In the case of the composition of the solid preparation, a stable pharmaceutical composition could not be obtained, and there was a problem in securing the stability required in a medical setting.

【0004】[0004]

【課題を解決するための手段】本発明者らは、上記のよ
うな事情に鑑み、式(1)の化合物の安定化について鋭
意検討した結果、メタアクリル酸コポリマー又は抗酸化
剤を配合することにより、式(1)の安定な医薬組成物
が得られることを見いだして本発明を完成するに至っ
た。
Means for Solving the Problems In view of the circumstances described above, the present inventors have made intensive studies on the stabilization of the compound of the formula (1), and found that a methacrylic acid copolymer or an antioxidant was added. As a result, the present inventors have found that a stable pharmaceutical composition of the formula (1) can be obtained, and have completed the present invention.

【0005】本発明は、式(1)の化合物にメタアクリ
ル酸コポリマーを配合、又は式(1)の化合物に抗酸化
剤を配合してなる安定な医薬組成物である。。
[0005] The present invention is a stable pharmaceutical composition comprising a compound of formula (1) and a methacrylic acid copolymer or a compound of formula (1) and an antioxidant. .

【0006】本発明において、メタアクリル酸コポリマ
ーとしては、アミノアルキルメタアクリレートコポリマ
ーE又はメタアクリル酸コポリマーLを使用する。ま
た、アミノアルキルメタアクリレートコポリマーRSを
使用することもできる。なお、アミノアルキルメタアク
リレートコポリマーEは、メタアクリル酸、メタアクリ
ル酸メチル、メタアクリル酸ブチル及びメタアクリル酸
ジメチルアミノエチルを共重合させることにより得られ
る。また、メタアクリル酸コポリマーLは、メタアクリ
ル酸とメタアクリル酸メチルを共重合させることにより
得られる。アミノアルキルメタアクリレートコポリマー
Eを使用する場合、式(1)の化合物に対し、アミノア
ルキルメタアクリレートコポリマーEを1:0.1〜5
の配合比で添加するのが好ましい。さらに、メタアクリ
ル酸コポリマーは添加効果を高めるために、式(1)の
化合物とともに溶剤に溶解又は懸濁した後、添加剤に加
えて造粒する又は小粒子状核に被覆することが好まし
い。
In the present invention, an aminoalkyl methacrylate copolymer E or a methacrylic acid copolymer L is used as the methacrylic acid copolymer. Also, an aminoalkyl methacrylate copolymer RS can be used. The aminoalkyl methacrylate copolymer E is obtained by copolymerizing methacrylic acid, methyl methacrylate, butyl methacrylate, and dimethylaminoethyl methacrylate. The methacrylic acid copolymer L is obtained by copolymerizing methacrylic acid and methyl methacrylate. When the aminoalkyl methacrylate copolymer E is used, the aminoalkyl methacrylate copolymer E is added to the compound of the formula (1) in a ratio of 1: 0.1 to 5: 1.
It is preferable to add at a compounding ratio of Further, in order to enhance the effect of addition, the methacrylic acid copolymer is preferably dissolved or suspended in a solvent together with the compound of the formula (1), and then granulated in addition to the additive or coated on small particle nuclei.

【0007】一方、抗酸化剤としては、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、トコフェ
ロール、アスコルビン酸、エデト酸ナトリウム又はクエ
ン酸を使用する。また、クエン酸ナトリウム、亜硫酸水
素ナトリウム、ピロ亜硫酸ナトリウムも使用することが
できる。ジブチルヒドロキシトルエンを使用する場合、
式(1)の化合物とジブチルヒドロキシトルエンは1:
0.01〜1の混合比で添加するのが好ましい。また、
当該医薬組成物の製法は、式(1)の化合物と抗酸化剤
を溶剤に溶解又は懸濁した後、造粒又は被覆に用いるこ
ともできるが、抗酸化剤を他の添加剤と混合した後、式
(1)の化合物を溶解又は懸濁した溶液を加えて造粒す
ることもできる.
On the other hand, as an antioxidant, dibutylhydroxytoluene, butylhydroxyanisole, tocopherol, ascorbic acid, sodium edetate or citric acid is used. Also, sodium citrate, sodium hydrogen sulfite, and sodium pyrosulfite can be used. When using dibutylhydroxytoluene,
The compound of formula (1) and dibutylhydroxytoluene are:
It is preferable to add at a mixing ratio of 0.01 to 1. Also,
In the method for producing the pharmaceutical composition, after dissolving or suspending the compound of formula (1) and the antioxidant in a solvent, the compound can be used for granulation or coating, but the antioxidant is mixed with other additives. Thereafter, granulation can also be performed by adding a solution in which the compound of the formula (1) is dissolved or suspended.

【0008】本発明で、溶剤は水及び有機溶媒を単独又
は適宜混合して用いてもよい。有機溶媒としては、メタ
ノール、エタノール、イソプロパノール、アセトンなど
を用いることができる。
In the present invention, water and an organic solvent may be used alone or in a suitable mixture as a solvent. As the organic solvent, methanol, ethanol, isopropanol, acetone and the like can be used.

【0009】本発明では、必要に応じて医薬上許容され
る添加剤を用いることができ、例えば乳糖、デンプン、
結晶セルロースなどの賦形剤、ヒドロキシプロピルセル
ロース、ポリビニルピロリドンなどの結合剤、カルメロ
ース、カルボキシメチルスターチナトリウム、クロスポ
ピドンなどの崩壊剤、タルク、ステアリン酸マグネシウ
ムなどの滑沢剤を使用することができる。一方、式
(1)の化合物とメタアクリル酸コポリマーの溶液を被
覆する小粒子状核としては、ショ糖、乳糖、結晶セルロ
ース、ショ糖とデンプンの混合物などから形成されたも
のを使用することができる。
In the present invention, pharmaceutically acceptable additives can be used if necessary, such as lactose, starch,
Excipients such as crystalline cellulose, binders such as hydroxypropylcellulose and polyvinylpyrrolidone, disintegrants such as carmellose, sodium carboxymethyl starch, crospovidone, and lubricants such as talc and magnesium stearate can be used. On the other hand, as the small particle nuclei for coating the solution of the compound of the formula (1) and the methacrylic acid copolymer, those formed from sucrose, lactose, crystalline cellulose, a mixture of sucrose and starch, and the like can be used. it can.

【0010】本発明の医薬組成物は、錠剤、顆粒剤、細
粒剤、散剤、カプセル剤など、通常、人に経口投与され
る固形製剤の形態とすることができる。
The pharmaceutical composition of the present invention can be in the form of a solid preparation usually administered orally to humans, such as tablets, granules, fine granules, powders and capsules.

【0011】本発明の医薬組成物は、通常の固形製剤の
製造法を用いて製造することができる。例えば、錠剤の
場合には、撹拌造粒又は流動層造粒などの方法で式
(1)の化合物を含む溶液を前記の添加剤に加えて造粒
物とする。これに滑沢剤を混合し、打錠して製造するこ
とができる。さらに、適宜な方法によりフィルムコーテ
ィング錠とすることができる。また、カプセル剤の場合
は前記の造粒物をカプセルに充填することにより製造す
ることもできるが、白糖からなる球形類粒などに式
(1)の化合物を含む溶液を流動層コーティングなどの
方法により噴霧被覆してできた生成物をカプセルに充填
して製造することができる。
[0011] The pharmaceutical composition of the present invention can be produced by a usual method for producing a solid preparation. For example, in the case of a tablet, a solution containing the compound of the formula (1) is added to the above-mentioned additive by a method such as stirring granulation or fluidized bed granulation to form a granulated product. It can be manufactured by mixing a lubricant with the mixture and tableting. Furthermore, it can be made into a film-coated tablet by an appropriate method. In the case of capsules, the granules can be produced by filling the granules into capsules. However, a method of coating a solution containing the compound of the formula (1) in spherical granules of sucrose or the like by fluid bed coating or the like can be used. The product produced by spray coating can be filled into capsules for production.

【0012】以下、本発明を実施例で詳細に説明する
が、本発明はこれらの実施例に限定されるものではな
い。
Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.

【実施例】比較例1 式(1)の化合物3.0g、乳糖112.2g、トウモ
ロコシデンプン24.0g及び結晶セルロース12.8
gを乳鉢に入れ混合した後、ヒドロキシプロピルセルロ
ース3.2gをメタノールに溶かした溶液を加えて造粒
し、造粒品を乾燥、整粒した。これにタルク3.2g及
びステアリン酸マグネシウム1.6gを混合した後、1
錠160mgになるよう打錠した。
EXAMPLES Comparative Example 1 3.0 g of the compound of the formula (1), 112.2 g of lactose, 24.0 g of corn starch and 12.8 microcrystalline cellulose
g in a mortar and mixed, and then a solution prepared by dissolving 3.2 g of hydroxypropylcellulose in methanol was added and granulated, and the granulated product was dried and sized. After mixing 3.2 g of talc and 1.6 g of magnesium stearate, 1
Tablets were compressed to 160 mg.

【0013】実施例1 乳糖112.4g、トウモロコシデンプン24.0g及
び結晶セルロース12.8gを乳鉢に入れ混合した後、
式(1)の化合物3.0g及びアミノアルキルメタアク
リレートコポリマーE(レームファーマ社製,オイドラ
ギットE)3.0gをメタノール60mlに溶かした溶
液を加えて造粒し、造粒品を乾燥、整粒した。これにタ
ルク3.2g及びステアリン酸マグネシウム1.6gを
混合した後、1錠160mgになるように打錠した。
EXAMPLE 1 112.4 g of lactose, 24.0 g of corn starch and 12.8 g of crystalline cellulose were mixed in a mortar.
A solution prepared by dissolving 3.0 g of the compound of the formula (1) and 3.0 g of aminoalkyl methacrylate copolymer E (Eudragit E, manufactured by Rohm Pharma Co., Ltd.) in 60 ml of methanol is added, and granulated. The granulated product is dried and sized. did. 3.2 g of talc and 1.6 g of magnesium stearate were mixed with the mixture, and the mixture was tableted to give a tablet of 160 mg.

【0014】実施例2 乳糖115.1g、トウモロコシデンプン24.0g及
び結晶セルロース12.8gを乳鉢に入れ混合した後、
式(1)の化合物3.0g及びアミノアルキルメタアク
リレートコポリマーE 0.3gをメタノール60ml
に溶かした溶液を加えて造粒し、造粒品を乾燥、整粒し
た。これにタルク3.2g及びステアリン酸マグネシウ
ム1.6gを混合した後、1錠160mgになるように
打錠した。
Example 2 115.1 g of lactose, 24.0 g of corn starch and 12.8 g of crystalline cellulose were mixed in a mortar.
3.0 g of the compound of formula (1) and 0.3 g of aminoalkyl methacrylate copolymer E were added to 60 ml of methanol.
The granulated product was dried and sized. 3.2 g of talc and 1.6 g of magnesium stearate were mixed with the mixture, and the mixture was tableted to give a tablet of 160 mg.

【0015】実施例3 乳糖76.6g、トウモロコシデンプン24.0g及び
結晶セルロース12.8gを乳鉢に入れ混合した後、式
(1)の化合物0.5g及びアミノアルキルメタアクリ
レートコポリマーE 2.5gをメタノール60mlに
溶かした溶液を加えて造粒し、造粒品を乾操、整粒し
た。これにタルク2.4g及びステアリン酸マグネシウ
ム1.2gを混合した後、1錠120mgになるように
打錠した。
Example 3 76.6 g of lactose, 24.0 g of corn starch and 12.8 g of crystalline cellulose were mixed in a mortar, and then 0.5 g of the compound of the formula (1) and 2.5 g of aminoalkyl methacrylate copolymer E were added. A solution dissolved in 60 ml of methanol was added and granulated, and the granulated product was dried and sized. 2.4 g of talc and 1.2 g of magnesium stearate were mixed with the mixture, and the mixture was tableted to give 120 mg per tablet.

【0016】実施例4 式(1)の化合物3.0g及びアミノアルキルメタアク
リレートコポリマーE9.0gをメタノール150ml
及びエタノール150mlの混液に溶解した後、タルク
3.0gを分散した。この液をコーティング機を用い
て、白糖顆粒(ノンパレル103、フロイント産業社
製)143.4gに被覆し、乾燥した。これにタルク
1.6gを混合した後、1カプセル160mgになるよ
うに充填し、カプセル剤とした。
Example 4 3.0 g of the compound of the formula (1) and 9.0 g of aminoalkyl methacrylate copolymer E were added to 150 ml of methanol.
After dissolving in a mixed solution of 150 ml of ethanol and ethanol, 3.0 g of talc was dispersed. This liquid was coated on 143.4 g of sucrose granules (Nonparel 103, manufactured by Freund Corporation) using a coating machine and dried. After 1.6 g of talc was mixed with the mixture, the mixture was filled into 160 mg capsules to give capsules.

【0017】実施例5 式(1)の化合物3.0g及びメタアクリル酸コポリマ
ーL(レームファーマ社製,オイドラギットL)9.0
gをメタノール150ml及びエタノール150mlの
混液に溶解した後、タルク3.0gを分散した。この液
をコーティング機を用いて、白糖顆粒(ノンパレル10
3、フロイント産業社製)143.4gに被覆し、乾燥
した。これにタルク1.6gを混合した後、1カプセル
160mgになるように充填し、カプセル剤とした。
Example 5 3.0 g of a compound of the formula (1) and methacrylic acid copolymer L (Eudragit L, manufactured by Rohm Pharma Co., Ltd.) 9.0
g was dissolved in a mixture of 150 ml of methanol and 150 ml of ethanol, and then 3.0 g of talc was dispersed. Using a coating machine, this solution was used to prepare sucrose granules (non-pareil 10).
3, Freund Corporation) and dried. After 1.6 g of talc was mixed with the mixture, the mixture was filled into 160 mg capsules to give capsules.

【0018】実施例6 乳糖114.8g、トウモロコシデンプン24.0g及
び結晶セルロース12.8gを乳鉢に入れ混合した後、
式(1)の化合物3.0g及びジブチルヒドロキシトル
エン0.6gをメタノール60mlに溶かした溶液を加
えて造粒し、造粒品を乾燥、整粒した。これにタルク
3.2g及びステアリン酸マグネシウム1.6gを混合
した後、1錠160mgになるように打錠した。
Example 6 114.8 g of lactose, 24.0 g of corn starch and 12.8 g of crystalline cellulose were mixed in a mortar.
A solution prepared by dissolving 3.0 g of the compound of the formula (1) and 0.6 g of dibutylhydroxytoluene in 60 ml of methanol was added and granulated, and the granulated product was dried and sized. 3.2 g of talc and 1.6 g of magnesium stearate were mixed with the mixture, and the mixture was tableted to give a tablet of 160 mg.

【0019】実施例7 乳糖115.4g、トウモロコシデンプン24.0g及
び結晶セルロース12.8gを乳鉢に入れ混合した後、
式(1)の化合物3.0g及びジブチルヒドロキシトル
エン0.03gをメタノール60mlに溶かした溶液を
加えて造粒し、造粒品を乾燥、整粒した。これにタルク
3.2g及びステアリン酸マグネシウム1.6gを混合
した後、1錠160mgになるように打錠した。
Example 7 115.4 g of lactose, 24.0 g of corn starch and 12.8 g of crystalline cellulose were mixed in a mortar.
A solution prepared by dissolving 3.0 g of the compound of the formula (1) and 0.03 g of dibutylhydroxytoluene in 60 ml of methanol was added and granulated, and the granulated product was dried and sized. 3.2 g of talc and 1.6 g of magnesium stearate were mixed with the mixture, and the mixture was tableted to give a tablet of 160 mg.

【0020】試験例1 比較例1及び実施例1〜7で得た錠剤又はカプセル剤を
PTP包装し、40℃相対湿度75%の条件下に保存し
た。1箇月後に式(1)の化合物の含量(残存率%)を
下記の液体クロマトグラフ(HPLC)法で測定した。
その結果を表1に示す。 HPLC法の測定条件 カラム:YMC−Pak A−302(ワイエムシー社
製) 移動相:アセトニトリル300mlと水700mlを混
合 検出法:紫外部吸光光度計(測定波長:270nm) 注入量:式(1)の化合物として約2μg
Test Example 1 The tablets or capsules obtained in Comparative Example 1 and Examples 1 to 7 were packaged in PTP and stored at 40 ° C. and 75% relative humidity. One month later, the content (residual%) of the compound of the formula (1) was measured by the following liquid chromatography (HPLC) method.
Table 1 shows the results. Measurement conditions of HPLC method Column: YMC-Pak A-302 (manufactured by YMC) Mobile phase: 300 ml of acetonitrile and 700 ml of water Detection method: UV absorption spectrophotometer (measurement wavelength: 270 nm) Injection amount: Formula (1) About 2μg as compound

【0021】[0021]

【表1】 メタアクリル酸コポリマーを使用した医薬組
成物中の式(1)の化合物の安定性 表1に示したように、本発明の組成物(錠剤又はカプセ
ル剤)では、いずれも式(1)の化合物が安定化されて
いた。
TABLE 1 Stability of compound of formula (1) in pharmaceutical composition using methacrylic acid copolymer As shown in Table 1, in each of the compositions (tablets or capsules) of the present invention, the compound of the formula (1) was stabilized.

【0022】比較例2式(1)の化合物1.0gをエタ
ノール10mlに加温して溶かした溶液を乳糖9.0g
に加えて練合し、乾燥、粉砕して散剤とした。
Comparative Example 2 A solution prepared by heating 1.0 g of the compound of the formula (1) in 10 ml of ethanol was dissolved in 9.0 g of lactose.
The mixture was kneaded, dried and pulverized to obtain a powder.

【0023】実施例8〜13 式(1)の化合物1.0gをエタノール10mlに加温
して溶かした溶液を乳糖8.0g及び下記の抗酸化剤
1.0gを混合した粉末に加え練合し、乾燥、粉砕して
散剤とした。 実施例8 :ジブチルヒドロキシトルエン 実施例9 :ブチルヒドロキシアニソール 実施例10:トコフェロール 実施例11:アスコルビン酸 実施例12:エデト酸ナトリウム 実施例13:クエン酸
Examples 8 to 13 A solution prepared by heating 1.0 g of the compound of the formula (1) in 10 ml of ethanol was added to a powder obtained by mixing 8.0 g of lactose and 1.0 g of the following antioxidant and kneading. Then, it was dried and pulverized to obtain a powder. Example 8: dibutylhydroxytoluene Example 9: butylhydroxyanisole Example 10: tocopherol Example 11: ascorbic acid Example 12: sodium edetate Example 13: citric acid

【0024】試験例2 比較例2及び実施例8〜13で得た粉末をガラス瓶に入
れ、40℃相対湿度75%の条件下に開放して保存し
た。1箇月後に式(1)の化合物の含量(残存率%)を
試験例1と同様のHPLC法で試験した。その結果を表
2に示す。
Test Example 2 The powders obtained in Comparative Example 2 and Examples 8 to 13 were put in glass bottles and opened and stored under conditions of 40 ° C. and 75% relative humidity. One month later, the content (residual%) of the compound of the formula (1) was tested by the same HPLC method as in Test Example 1. Table 2 shows the results.

【0025】[0025]

【表2】 抗酸化剤を使用した医薬組成物中の式(1)
の化合物の安定性 表2に示したように、本発明の組成物(粉末)では、い
ずれも式(1)の化合物が顕著に安定化されていた。
Table 2 Formula (1) in a pharmaceutical composition using an antioxidant
Stability of the compound As shown in Table 2, in each of the compositions (powder) of the present invention, the compound of the formula (1) was significantly stabilized.

【0026】[0026]

【発明の効果】本発明により、安定な医薬組成物が得ら
れ、医療の場で要求される医薬製剤の安定性に問題がな
く、長期間にわたり品質を確保することができる。
Industrial Applicability According to the present invention, a stable pharmaceutical composition can be obtained, and there is no problem in stability of a pharmaceutical preparation required in a medical field, and quality can be ensured for a long period of time.

フロントページの続き (51)Int.Cl.6 識別記号 FI A61K 31/70 AED A61K 31/70 AED 47/08 47/08 J 47/12 47/12 J 47/22 47/22 J // C07H 19/167 C07H 19/167 (72)発明者 古城 健太郎 福島県福島市飯坂町湯野字田中1番地 ト ーアエイヨー株式会社福島研究所内Continued on the front page (51) Int.Cl. 6 Identification code FI A61K 31/70 AED A61K 31/70 AED 47/08 47/08 J 47/12 47/12 J 47/22 47/22 J // C07H 19 / 167 C07H 19/167 (72) Inventor Kentaro Furushiro 1 Tanaka, Yuno, Iizaka-cho, Fukushima-shi, Fukushima Prefecture TORA-AYO Co., Ltd. Fukushima Research Center

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】 下記式(1)で表される(−)−6−ア
ミノ−2−(1−オクチニル)−9−β−D−リボフラ
ノシル−9H−プリンに、メタアクリル酸コポリマー又
は抗酸化剤を配合してなる安定な医薬組成物。 【化1】
(1) A methacrylic acid copolymer or an antioxidant is added to (-)-6-amino-2- (1-octynyl) -9-β-D-ribofuranosyl-9H-purine represented by the following formula (1). A stable pharmaceutical composition comprising an agent. Embedded image
【請求項2】 メタアクリル酸コポリマーが、アミノア
ルキルメタアクリレートコポリマーE又はメタアクリル
酸コポリマーLである請求項1記載の医薬組成物。
2. The pharmaceutical composition according to claim 1, wherein the methacrylic acid copolymer is an aminoalkyl methacrylate copolymer E or a methacrylic acid copolymer L.
【請求項3】 式(1)で表される化合物とアミノアル
キルメタアクリレートコポリマーEとの配合比が1:
0.1〜5である請求項1又は請求項2記載の医薬組成
物。
3. The compounding ratio of the compound represented by the formula (1) to the aminoalkyl methacrylate copolymer E is 1:
The pharmaceutical composition according to claim 1 or 2, wherein the ratio is 0.1 to 5.
【請求項4】 抗酸化剤が、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、トコフェロール、ア
スコルビン酸、エデト酸ナトリウム又はクエン酸である
請求項1記載の医薬組成物。
4. The pharmaceutical composition according to claim 1, wherein the antioxidant is dibutylhydroxytoluene, butylhydroxyanisole, tocopherol, ascorbic acid, sodium edetate or citric acid.
【請求項5】 式(1)で表される化合物とジブチルヒ
ドロキシトルエンの配合比が1:0.01〜1である請
求項1記載の医薬組成物。
5. The pharmaceutical composition according to claim 1, wherein the compounding ratio of the compound represented by the formula (1) and dibutylhydroxytoluene is 1: 0.01 to 1: 1.
【請求項6】 式(1)で表される化合物及びメタアク
リル酸コポリマーを水及び/又は有機溶媒に溶解又は懸
濁した後、賦形剤に添加して造粒又は小粒子状核に被覆
する請求項1〜3のいずれかに記載の医薬組成物の製
法。
6. A compound represented by the formula (1) and a methacrylic acid copolymer are dissolved or suspended in water and / or an organic solvent, and then added to an excipient to coat granules or small particulate nuclei. A method for producing the pharmaceutical composition according to claim 1.
JP16001198A 1998-05-26 1998-05-26 Stable medicinal composition Pending JPH11335302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16001198A JPH11335302A (en) 1998-05-26 1998-05-26 Stable medicinal composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16001198A JPH11335302A (en) 1998-05-26 1998-05-26 Stable medicinal composition

Publications (1)

Publication Number Publication Date
JPH11335302A true JPH11335302A (en) 1999-12-07

Family

ID=15706055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16001198A Pending JPH11335302A (en) 1998-05-26 1998-05-26 Stable medicinal composition

Country Status (1)

Country Link
JP (1) JPH11335302A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002138034A (en) * 2000-10-27 2002-05-14 Kyoto Pharmaceutical Industries Ltd Bitter taste masked chewable tablet and preparation method of the same
JP2002536300A (en) * 1999-02-01 2002-10-29 ユニバーシティ オブ バージニア パテント ファウンデーション Composition for treating inflammatory response
US8058259B2 (en) 2007-12-20 2011-11-15 University Of Virginia Patent Foundation Substituted 4-{3-[6-amino-9-(3,4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR agonists
US8158604B2 (en) 2001-10-01 2012-04-17 University Of Virginia Patent Foundation 2-propynyl adenosine analogs having A2A agonist activity and compositions thereof
US8178509B2 (en) 2006-02-10 2012-05-15 University Of Virginia Patent Foundation Method to treat sickle cell disease
US8188063B2 (en) 2006-06-19 2012-05-29 University Of Virginia Patent Foundation Use of adenosine A2A modulators to treat spinal cord injury
WO2014080784A1 (en) * 2012-11-20 2014-05-30 大蔵製薬株式会社 Aqueous olanzapine pharmaceutical preparation of having longterm stability

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002536300A (en) * 1999-02-01 2002-10-29 ユニバーシティ オブ バージニア パテント ファウンデーション Composition for treating inflammatory response
JP4837831B2 (en) * 1999-02-01 2011-12-14 ユニバーシティ オブ バージニア パテント ファウンデーション Composition for treating inflammatory response
JP2002138034A (en) * 2000-10-27 2002-05-14 Kyoto Pharmaceutical Industries Ltd Bitter taste masked chewable tablet and preparation method of the same
US8158604B2 (en) 2001-10-01 2012-04-17 University Of Virginia Patent Foundation 2-propynyl adenosine analogs having A2A agonist activity and compositions thereof
US8178509B2 (en) 2006-02-10 2012-05-15 University Of Virginia Patent Foundation Method to treat sickle cell disease
US8188063B2 (en) 2006-06-19 2012-05-29 University Of Virginia Patent Foundation Use of adenosine A2A modulators to treat spinal cord injury
US8058259B2 (en) 2007-12-20 2011-11-15 University Of Virginia Patent Foundation Substituted 4-{3-[6-amino-9-(3,4-dihydroxy-tetrahydro-furan-2-yl)-9H-purin-2-yl]-prop-2-ynyl}-piperidine-1-carboxylic acid esters as A2AR agonists
WO2014080784A1 (en) * 2012-11-20 2014-05-30 大蔵製薬株式会社 Aqueous olanzapine pharmaceutical preparation of having longterm stability

Similar Documents

Publication Publication Date Title
EP1245232B1 (en) Oral solid preparation
WO2009034541A9 (en) Controlled release pharmaceutical dosage forms of trimetazidine
EP2939662B1 (en) Pharmaceutical composition comprising temozolomide with improved stability and process for manufacturing the same
US10350170B2 (en) Solid preparation
PT2468361E (en) Vildagliptin formulations
KR20200097564A (en) Stable pharmaceutical formulation for oral administration comprising dexlansoprazole or a pharmaceutically acceptable salt thereof
JPH11335302A (en) Stable medicinal composition
RU2767872C2 (en) Pharmaceutical composition and method for its preparation
JP2016155777A (en) Composition comprising montelukast or salt thereof
JP2007186450A (en) Paroxetine hydrochloride-containing preparation and method for producing the same
KR102389339B1 (en) Controlled release high-dose tamsulosin hydrochloride tablet and its preparing method
WO2020111089A1 (en) Pharmaceutical composition
KR101406265B1 (en) Pharmaceutical composition of Pramipexole with improved stability and method for preparing thereof
BRPI0621739A2 (en) stable formulation consisting of wetting sensitive drugs and their manufacturing procedure
JPH0236571B2 (en) JIZOKUSEISEIZAI
KR100479367B1 (en) Composition comprising itraconazole for oral administration
JP5791817B2 (en) Pharmaceutical composition for oral administration with improved dissolution and / or absorption
EP2694039B1 (en) Solid preparation
JP5563371B2 (en) Oral tablets containing quetiapine fumarate
JPH0466846B2 (en)
KR20220088683A (en) Chidamide pharmaceutical compositions, methods for their preparation and uses thereof
EP3251669B1 (en) Solid composition of pyrrole carboxamide
JP5321454B2 (en) Manufacturing method of pharmaceutical tablets
KR20200002486A (en) Wet granulation composition, tablet comprising same, and method for preparing the tablet
KR20200002409A (en) Wet granulation composition comprising polaprezinc and method for preparing tablet using the same