JP2014062110A - 改善された生物学的利用能をもつイトラコナゾール組成物 - Google Patents
改善された生物学的利用能をもつイトラコナゾール組成物 Download PDFInfo
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- JP2014062110A JP2014062110A JP2013248144A JP2013248144A JP2014062110A JP 2014062110 A JP2014062110 A JP 2014062110A JP 2013248144 A JP2013248144 A JP 2013248144A JP 2013248144 A JP2013248144 A JP 2013248144A JP 2014062110 A JP2014062110 A JP 2014062110A
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Classifications
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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
- A61K9/10—Dispersions; Emulsions
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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
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/496—Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
-
- 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
- A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
- A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
Abstract
【解決手段】 式
0.35>ΔHtr (1)
(式中、ΔHtrは、約240℃での転移を伴う吸熱量(J/g)を示す)を満たすイトラコナゾールおよびヒドロキシプロピルメチルセルロースを含む固体分散体。
【選択図】 なし
Description
0.35>ΔHtr
(式中、ΔHtrは、約240℃〜約250℃の範囲にある吸熱ピーク温度での転移を伴う吸熱量(J/g)を表す)を満足する、イトラコナゾールとヒドロキシプロピルメチルセルロースとを含む固体分散体によって実現される。
0.20>ΔHtr
を満たす。
0.15>ΔHtr
を満たす。
a)イトラコナゾールとヒドロキシプロピルメチルセルロースを混合すること;
b)均一な溶融物を得るために混合物を加熱すること、
c)こうして得られた溶融物を1個以上のノズルに強制的に通過させること;および
d)固体分散体を得るために該溶融物を固化させること。
a)イトラコナゾールと、ヒドロキシプロピルメチルセルロースまたは2個以上のヒドロキシプロピルメチルセルロースとの混合物を混合すること;
b)均一な溶融物を得るために、予め設定された温度条件、剪断および処理速度の下で、該混合物を加熱すること;
c)こうして得られた溶融物を1個以上のノズルに強制的に通過させること;
d)固体分散体を得るために溶融物を固化させること;
e)得られた固体分散体の代表的な試料を示差走査熱量測定にかけること;そして、必要ならば、
f)固体分散体が式
0.35 >ΔHtr、
好ましくは、0.20>ΔHtr、
より好ましくは、0.15>ΔHtr
(式中、ΔHtrは、約240℃〜約250℃の範囲にある吸熱ピーク温度での転移を伴う吸熱量(J/g)を表す)を満たすように、工程b)において使用される温度条件、剪断および処理速度を調節すること。
着色剤および顔料は、二酸化チタンおよび食品に適した染料を含む。着色剤は、本発明の錠剤の中の任意成分であるが、使用される場合、着色剤は、総錠剤重量に基づいて3.5%の量まで存在させることができる。
イトラコナゾール(21.74kg)とヒドロキシプロピルメチルセルロース29105mPa・s(ヤンセン(Janssen)によって供給され、ダウケミカルによって、そのMidland工場において生産されたものであり;レーザー光回折(マルベルン・マスタサイザー)を使用して測定される時、d0.1=38μm、d0.5=119μm、d0.9=256μmである粒度分布を有する)との40/60(W/W)混合物を、該混合物が均一になるまで、ふるい、遊星型ミキサー中で混合した。
複数のバッチのイトラコナゾール粒子を、以下の例外事項を適用して、実施例1(二軸スクリュー速度250回転/分)に述べたように調製した。HPMCは、カラコン(Colorcon)から入手し、ダウのPlaquemine工場で生産された(d0.1=32μm、d0.5=92μm、d0.9=235μm)。この出所からのHPMCは、著しく低い流動性を持っていた。比較的低い流動性を考慮して、処理速度を下げなければならなかった。これが押出機内での溶融押出物の輸送時間が長引く結果となり、高いエネルギー導入量をもたらしたようである。処理量は、わずか18±3kg/hであった。より円滑な押出を得て且つ目詰まりを避けるために、押出用金型の温度を上げた。第1、第2、および第3のコンパートメントの温度は、それぞれ20℃、190℃および190℃であり、転移セクションの温度は205℃であり、金型の温度は205℃であった。
標準化された朝食の後、室温の非炭酸水240mLで、1個の錠剤の単回経口服用。
Claims (16)
- 式
0.29≧ΔHtr
(式中、ΔHtrは240℃〜250℃の範囲にある吸熱のピーク温度での転移を伴う吸熱量(J/g)を表す)を満たす、溶融−押出プロセスによって調製される、イトラコナゾールおよびヒドロキシプロピルメチルセルロースを含む固体分散体であって、
イトラコナゾール:ヒドロキシプロピルメチルセルロースの重量比が1:1〜1:17の範囲にある固体分散体。 - 600μm未満の重量平均粒径を有する、請求項1の固体分散体。
- ヒドロキシプロピルメチルセルロース中のメトキシおよびヒドロキシプロピル基の総含量が23〜42重量%の範囲である、請求項1または2の固体分散体。
- メトキシ基含量が19〜30重量%の範囲であり、ヒドロキシプロピル基含量が4〜12重量%の範囲である、請求項3の固体分散体。
- 20℃で2重量%の水溶液として測定するとき、ヒドロキシプロピルメチルセルロースが3〜15mPa・sの見掛け粘度を有する、請求項4の固体分散体。
- さらに、可塑剤、界面活性剤、香料、着色剤および防腐剤から選択される1種以上の薬学的に許容される賦形剤を含む、請求項1〜5のいずれか1項の固体分散体。
- 請求項1〜6のいずれか1項の固体分散体の粒子、ならびに希釈剤と崩壊剤から選択される少なくとも1種の添加物を含む製薬剤型。
- 請求項1〜6のいずれか1項の固体分散体を含む製薬剤型であって、該剤型が、単回用量のイトラコナゾール200mgの経口投与の後に、400ng/mL以上というCmaxによって特性づけられるイトラコナゾールとヒドロキシイトラコナゾールの生体内血漿濃度を与える製薬剤型。
- a)イトラコナゾールと、ヒドロキシプロピルメチルセルロースとを混合すること;
b)均質の溶融物を得るために該混合物を加熱すること;後方送り用素子、剪断素子、混練ディスクおよび回転羽根の少なくとも1つを備えた二軸スクリュー押出機または多軸スクリュー押出機において、該溶融物に剪断および/または混練作用を与えること;
c)このようにして得られた溶融物を1個以上のノズルに強制的に通過させること;
d)固体分散体を得るために該溶融物を固化させること;および
e)任意に固体分散体を磨砕すること、
を含む、請求項1〜6のいずれか1項の固体分散体を調製する方法。 - 押出成形が195〜300℃の温度で遂行される、請求項9の方法。
- 請求項9または10の方法であって、さらに磨砕された固体分散体をふるい別することを含む方法。
- 請求項10または11の方法であって、さらに磨砕された固体分散体を圧縮して錠剤にすることを含む方法。
- 請求項9の方法によって得られる固体分散体。
- 真菌感染症を患っている哺乳類への経口投与のための薬剤形態を調製するのに用いられる請求項1〜6のいずれか1項の固体分散体。
- 真菌感染症を患っている哺乳類への経口服用のための薬剤形態の調製における、請求項1〜6のいずれか1項の固体分散体の使用。
- 真菌感染症が分芽菌症、ヒストプラスマ症、アスペルギルス症、爪甲真菌症、足部白癬、皮膚糸状菌症、マラセジア/イースト皮膚炎、クリプトコッカス症、カンジダ症、コクシジオイデス症、クロモブラストミコーシス、菌髄膜炎および口の粘膜炎から選択される、請求項15の使用。
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