JP2013516409A - メトホルミン及びロスバスチンを含む医薬組成物 - Google Patents
メトホルミン及びロスバスチンを含む医薬組成物 Download PDFInfo
- Publication number
- JP2013516409A JP2013516409A JP2012547034A JP2012547034A JP2013516409A JP 2013516409 A JP2013516409 A JP 2013516409A JP 2012547034 A JP2012547034 A JP 2012547034A JP 2012547034 A JP2012547034 A JP 2012547034A JP 2013516409 A JP2013516409 A JP 2013516409A
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- Prior art keywords
- pharmaceutical composition
- rosuvastatin
- metformin
- gum
- pharmaceutically acceptable
- Prior art date
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Abstract
Description
ステップ(1)は、メトホルミン、徐放性担体及び/又は賦形剤を混合した後の乾燥顆粒を製造する。
1−1.徐放性乾燥メトホルミン顆粒の調製
メトホルミン塩酸塩(Granules、India)、ヒドロキシプロピルメチルセルロース2208(Metolose 90SH−100000SR、Shin−Etsu Chemical)、ヒドロキシプロピルメチルセルロース2901(Pharmacoat603、Shin−Etsu)、ミクロ結晶セルロース(Avicel102、FMC Biopolymer)及びカルボキシメチルセルロースナトリウム(Blanose 7HF、Aqualon)を高速ミキサ(SPG−2、Dalton)中で5分間混合し;その後湿式顆粒方法で生成された混合物を約1時間乾燥オーブン中で50〜70℃で乾燥し、シーブメッシュ番号3で篩分けした。最後に前記混合物から、下表1の組成物に従って徐放性を持つ乾燥メトホルミン顆粒を製造した。
ロスバスタチンカルシウム(Biocon、India)、リン酸カルシウム(Calipharm T、Innophos)、ミクロ結晶セルロース(Avicel102、FMC Biopolymer)及びラクトース(Pharmatose、DMV−Fonterra)を5分間混合し、シーブメッシュ番号40で篩分けし、その後これとクロスポビドン(Kollidon CL、BASF)及びステアリン酸マグネシウム(Junsei)と混合し、これをシーブメッシュ番号30で高速ミキサー(SPG−2、Dalton)中で5分間篩分けした。最後に前記乾燥ロスバスタチン顆粒を、下表2の組成物に従って製造した。
2−1.錠剤の調製
実施例1−1で調製された徐放性を持つ乾燥メトホルミン顆粒を、ステアリン酸マグネシウム(錠剤当たり10mg、表1と同量)と完全に混合し、シーブメッシュ番号30で篩分けし、その混合物を錠剤プレス (Ek0、Korsch)を用いて通常の圧力で錠剤に錠剤化した。その後1錠剤当たりメトホルミン1030mgを含む白色徐放性錠剤を100製造した。
実施例2−1で調製された徐放性錠剤をコーティングパン(Hi−coater、Sejong Pharma Tech)上に置き、空気で満たして30〜45℃に維持した。表3の組成に従い、ロスバスタチン及びオパドライ(Opadry、PVAが45.52%含まれるコーティング剤、Colorcon)とを4倍量の水中で懸濁させ、その後得られた懸濁液を前記乾燥錠剤上に、空気厚を用いてスプレー装置で噴霧し、その後約10分間乾燥させた。オパドライ(Opadry、PVAが45.52%含まれるコーティング剤、Colorcon)の量は錠剤の全量に対して5%であった。さらに、錠剤の安定性を保証するために、追加のフィルムコーティング手順が、上述のコーティングの前/後で実施され得る。ただしここでは行わなかった。
3−1.二層錠剤の調製
実施例1−1で調製された徐放性を持つ乾燥メトホルミン顆粒をステアリン酸マグネシウム(錠剤当たり10mg、表と同じ量)と完全に混合し、シーブメッシュ番号30で篩分けし、得られた混合物と実施例1−2で調製された乾燥ロスバスタチン顆粒とを錠剤プレス(Ek0、Korsch)を用いて、韓国薬局方に記載された製造方法により二層錠剤に錠剤化した。
上述の実施例3−1から得られた二層錠剤を、空気で満たされ30〜45℃に維持されたコーティングパン(Hi−coater、Sejong Pharma Tech)に置いた。コーティング剤を表4の組成に従い調製した。その後コーティング剤を前記乾燥錠剤上に空気圧を用いて操作されたスプレー装置で噴霧した。その後約10分間室温で乾燥させた。コーティング剤の量は、錠剤の全量に対して約4%であった。
4−1.単純医薬組成物の調製
実施例1−1から得られた徐放性を持つ乾燥メトホルミン顆粒を、ステアリン酸マグネシウム(錠剤当たり10mg、表1と同じ量)と完全に混合し、シーブメッシュ30で篩分けした。混合物を60回回転させ、その後実施例1−2で得られた乾燥ロスバスタチン錠剤とともに60回回転させた。その後混合物を錠剤プレス(Ek0、Korsch)を用いて平均厚で錠剤へ錠剤化した。最後に単純医薬組成物が製造された。
上述の実施例4−1から得られた錠剤をコーティングパン(Hi−coater、Sejong Pharma Tech)に置き、空気で満たし20〜45℃に維持した。コーティング剤を上の表4の組成に従い調製し、それを前記乾燥錠剤に空気圧で操作されるスプレー装置で噴霧した。それを約10分間室温で乾燥した。コーティング剤の量は、全錠剤に対して約4%であった。
ここで使用されたラット筋芽細胞株L6は韓国細胞株バンクから得た。細胞は、4.5g/LのD−グルコース、L−グルタミン、0.11g/Lのピルビン酸ナトリウム及び10%のFBS(ウシ胎児血清、Gibco;Invitrogen Corp.、CA、USA)を添加したDMEM(Dulbecco’s Modified Eagle medium)を用いて、T−75フラスコ(BD Biosciences)内で細胞数が1x106に達するまで培養した。細胞を分化させるために、細胞を2%HS(馬血清、Gibco;Invitrogen Corp.、CA、USA)を含む培地に接種し、37℃で5%CO2インキュベーター(Forma scientific、Germany)でインキュベートした。培地を2日毎に交換し、3、4日毎に継体培養した。さらに、この実施例で使用した前記筋芽細胞は、使用する前には6ウェルプレート(BD biosciences)中に0.3×106まで分化した。PBS(Gibco;Invitrogen Corp.、CA、USA)で洗浄ステップの後、前記細胞はELISA、MTT及びPCR分析に使用された。
2−1.試薬
L6株(骨格筋細胞)は韓国細胞株バンクから入手し、PGC−1及びアトロジン−1α抗体はサンタクルーズバイオテクノロジ(Santa Cruz Biotechnology、Santa Cruz、CA、USA)及びアブカム(Abcam、Cambridge science Park、UK)からそれぞれ入手し、さらにウサギIgG−H&Lに対する山羊ポリクローナル抗体第2抗体をアブカムから入手した。
実験には、ミクロプレート発光ジニアス(Microplate fluorescence Genious、Molercular devices、Austria)、遠心分離(Eppendorf)、顕微鏡(IS−70、Olympus)及びPCR(ポリメラーゼ連鎖反応、Bio−rad)を用いた。
統計及び比較分析は、グラフパッドPRISM統計パッケージ(GraphPad PRISM statistical package、Version 2.00、 Graphpadsoftware Inc.、San Diego、USA)を用いて実施し、トルコの事後テスト(Turkey’s post−hoc test)により再確認した。全ての報告データは、平均±S.D.である。
1−1.錠剤(1)の溶解試験
実施例2〜4で製造されたロスバスタチンの溶解試験が、韓国薬局方の溶解試験方法No.2により、表5で示される同じ条件に基づき実施された。
実施例2〜4でのメトホルミンの溶解速度を決定するために、実験例1−1と同じ方法で溶解試験を行った。実施例2〜4のメトホルミンの溶解速度は比較実施例2(表8及び図2を参照)と類似して12時間一定であった。
ロスバスタチン及びメトホルミンにおいてアトロジン−1及びPGC−1αの発現を確かめるために、それぞれの抗体を処理し分析した。アッセイ希釈緩衝液で10μl/mLに希釈された血清サンプルの100μlを96ウェルプレート(Nunc、Roskilde、Denmark)のそれぞれのウェルに分配し、4℃で一晩(12時間)インキュベートした。非結合材料を、0.2%Tween20(PBS−T)含むリン酸緩衝生理的食塩水で4回洗浄して除去した。
メトホルミンの濃度によるL6細胞株の形態を比較するために、0.5x105筋細胞を6ウェルプレート(Falcon)のそれぞれに播種し、5%CO2インキュベーター中で24時間37℃でインキュベーターした。20μlのロスバスタチンで処理し、0、1、10、20及び100μMのメトホルミンでそれぞれ処理した。48時間後、それらの全てを顕微鏡で観察した(IS−70、Olympus)。
MTTアッセイは、L6筋細胞の生存率を決定することで実施された。1x104細胞が96ウェルプレートのそれぞれに播種し、5%CO2インキュベーターで24時間37℃でインキュベートした。
メトホルミンの濃度に依存する筋細胞中のアトロジン−1のmRNAレベルを測定するために、前記細胞を500μlのトリゾール(Trizol、Invitrogen)中でホモジナイズし、及び3μgの全RNAを細胞スクラパーを用いて集めた。筋細胞から抽出した全RNAを2μlの5X緩衝液RT、1μlのdNTP混合物(それぞれのdNTP5mM)、0.5μlのRnase阻害剤(10ユニット/μl)、2ユニットのオムニスクリプト逆転写酵素(Omniscript Reverse Transcriptase)、及び20μlのRnaseフリー水(DEPC)の混合物中に入れ;逆転写反応を、37℃で60分及び72℃で15分実施してcDNAを合成した。ミニサイクラ(Bio−rad、USA)を用いてPCRを行った。3μlの合成cDNAを2μlの10x緩衝液(Cosmo−Gentec)、1μlのdNTP混合物(それぞれのdNTP5mM)、0.3μlの1ユニットのTaqDNAポリメラーゼ(Cosmo−Gentec)混合物中に入れ;2μlのそれぞれのプライマ(Macrogen製)及び水を添加して全容量を20μlにし;増幅させた。
Claims (13)
- ロスバスタチンの副作用を低減させる高脂血症の予防及び治療のための医薬組成物であり、前記医薬組成物は:(a)治療的有効量のメトホルミン又はその薬物的許容される塩、及び(b)治療的有効量のロスバスタチン又はその薬物的に許容される塩を含む、医薬組成物。
- ロスバスタチンの副作用を低減させる高脂血症の予防及び治療のための医薬組成物であり、前記医薬組成物は:(a)治療的有効量のメトホルミン又はその薬物的許容される塩、(b)徐放性担体及び(c)高脂血症予防及び治療の有効量のロスバスタチン又はその薬物的に許容される塩を含む、医薬組成物。
- ロスバスタチンの副作用を低減させる高脂血症の予防及び治療のための医薬組成物であり、前記医薬組成物は:(a)治療的有効量のメトホルミン又はその薬物的許容される塩、(b)徐放性担体(c)高脂血症予防及び治療の有効量のロスバスタチン又はその薬物的に許容される塩、及び(d)高脂血症の予防及び治療の効果を持つ賦形剤を含む、医薬組成物。
- 請求項1に記載された医薬組成物であり、前記メトホルミンの薬物的に許容される塩が、メトホルミンHCl塩、メトホルミンアセチルサリチル酸塩、メトホルミンフマル酸塩、メトホルミンコハク酸塩、メトホルミンマレイン酸塩、メトホルミンマロン酸塩を含む群から選択される少なくとも1つである、医薬組成物。
- 請求項1に記載された医薬組成物であり、ロスバスタチンの薬物的に許容される塩が、ロスバスタチンカルシウム塩、ロスバスタチンHCl塩、ロスバスタチンアセチルサリチル酸塩、ロスバスタチンフマル酸塩、ロスバスタチンコハク酸塩、ロスバスタチンマレイン酸塩、ロスバスタチンマロン酸塩を含む群から選択される少なくとも1つである、医薬組成物。
- 請求項1に記載された医薬組成物であり、前記副作用が、筋肉痛、筋肉細胞障害及び横紋筋融解症を含む群から選択される少なくとも1つである、医薬組成物。
- 請求項2又は3のいずれか一項に記載された医薬組成物であり、前記徐放性担体が、ヒドロキシプロピルメチルセルロース、カルボキシルメチルセルロースナトリウム、メチルセルロース、エチルセルロース、ヒドロキシメチルセルロース、ヒドロキシエチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシエチルメチルセルロース、ヒドロキシエチルエチルセルロース、ヒドロキシプロピルエチルセルロース、アルキルヒドロキシプロピリメチルセルロース、プロピレンオキシド、ポリビニルアセテート、ポリビニルアルコール、ポビドン及びその誘導体、コーンスターチ、ポテトスターチ、前ゲル化スターチ及びその誘導体、ヒドロキシエチルスターチ、デキストリン及びその誘導体、デキストラン、マルトデキストリン、ポリデキストロース、アルギン酸及びその誘導体、グアガム、ローカストビーンガム、キサンタンガム、シクロデキストリン、アラビアゴム、ジェランガム、カラヤゴム、カゼイン、タラガム、タマリンドガム、トラガカントゴム、ガッチガム、ゼラチン、コラーゲン、プロタミン、ゼイン、カルボマー、ポリアクリルアミド、ポリビニルアセタールジエチルアミノアセテート、グルコマンナン、グルコサミン、アラビノガラクタン、フルセレラン、ポルラン、ポリウレタン、キトサン、キチン、アガー、ペクチン、カラギーナンを含む群から選択される少なくとも1つである、医薬組成物。
- 請求項3に記載された医薬組成物であり、前記賦形剤が、ミクロ結晶セルロース、ヒドロキシプロピルメチルセルロース、カルボキシメチルセルロースナトリウム、メチルセルロース、エチルセルロース、ヒドロキシメチルセルロース、ヒドロキシエチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシエチルメチルセルロース、ヒドロキシエチルエチルセルロース、ヒドロキシプロピルエチルセルロース、アルキルヒドロキシプロピルメチルセルロース、ヒドロキシプロピルメチルセルロースフタレート、ヒドロキシプロピルメチルセルロースアセテートスクシネート、セルロースアセテート、セルロースアセテートナフタレート、プロピレンオキシド、ポリビニルアセテート、ポリビニルアルコール、ポビドン及びその誘導体、コーンスターチ、ポテトスターチ及びその誘導体、ヒドロキシメチルスターチ、デキストリン及びその誘導体、デキストラン、マルトデキストリン、ポリデキストロース、グアガム、ロカストビーンガム、キサンタンガム、シクロデキストリン、アラビアゴム、ジェランゴム、カラヤゴム、カゼイン、タラガム、タマリンドガム、トラガカントガム、ガッチガム、ゼラチン、コラーゲン、プロタミン、カルボマー、ポリアクリリアミド、カルナウバワックス、ビイーズワックス、スクロース、脂質スクロース、ラクトース、ポリビニルアセテート、ジエチルアミノアセテート、ポリウレタン、キトサン、キチン、アガー、ペクチン、カラギーナン又はシェレックを含む群から選択される少なくとも1つである、医薬組成物。
- 請求項2に記載された医薬組成物であり、(a)メトホルミン:(b)徐放性担体:(c)ロスバスタチンの混合物の重量比が、1:0.01〜5:0.001〜0.5である、医薬組成物。
- 請求項3に記載された医薬組成物であり、(a)メトホルミン:(b)徐放性担体:(c)ロスバスタチン:(d)賦形剤の混合物の重量比が、1:0.01〜5:0.001〜0.5:0.01〜5である、医薬組成物。
- 請求項9又は10のいずれか一項に記載された医薬組成物であり、前記メトホルミンが、水又は生理的pH溶解媒体中で約2〜24時間一定に放出される、医薬組成物。
- 請求項9又は10のいずれか一項に記載された医薬組成物であり、前記ロスバスタチンの50〜100%が、水又は生理的pH溶解媒体中で約10〜60分間で即時に放出される、医薬組成物。
- 請求項9又は10のいずれか一項に記載された医薬組成物であり、前記ロスバスタチンが、水又は生理的pH溶解媒体中で約1〜24時間以上一定に放出される、医薬組成物。
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