JP6666352B2 - デュタステリド含有固体分散体及びこれを含む組成物 - Google Patents
デュタステリド含有固体分散体及びこれを含む組成物 Download PDFInfo
- Publication number
- JP6666352B2 JP6666352B2 JP2017538405A JP2017538405A JP6666352B2 JP 6666352 B2 JP6666352 B2 JP 6666352B2 JP 2017538405 A JP2017538405 A JP 2017538405A JP 2017538405 A JP2017538405 A JP 2017538405A JP 6666352 B2 JP6666352 B2 JP 6666352B2
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- Prior art keywords
- dutasteride
- solid dispersion
- cyclodextrin
- thickener
- surfactant
- 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.)
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Images
Classifications
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- A61K31/58—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
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- 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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Description
Claims (11)
- デュタステリド包接物と;増粘剤及び界面活性剤からなる群より選ばれたいずれか1種以上とを含む固体分散体であって、
デュタステリド包接物は、デュタステリドとγ−シクロデキストリンを1:50〜1:300の重量比で含有することを特徴とする固体分散体。 - 増粘剤が、ポリビニルピロリドン、ポリエチレンオキシド及びガム(Gum)からなる群より選ばれたいずれか1種以上であることを特徴とする請求項1に記載の固体分散体。
- 増粘剤がポリビニルピロリドンであることを特徴とする請求項2に記載の固体分散体。
- 界面活性剤が、ポリエチレングリコールアーモンドグリセリド、ポリエチレングリコールカプリル酸/カプリン酸グリセリド、ラウリルマクロゴールグリセリド、ステアロイルマクロゴールグリセリド、トコフェリルポリエチレングリコールコハク酸、ポロキサマー及びジエチレングリコールモノエチルエーテルからなる群より選ばれたいずれか1種以上であることを特徴とする請求項1に記載の固体分散体。
- 界面活性剤がステアロイルマクロゴールグリセリドであることを特徴とする請求項4に記載の固体分散体。
- デュタステリドに対して増粘剤及び界面活性剤の重量比が1:0.05〜1:0.05〜4であることを特徴とする請求項1に記載の固体分散体。
- 薬学的に許容可能な添加剤をさらに含有することを特徴とする請求項6に記載の固体分散体。
- 請求項1乃至請求項7のいずれか一項に係る固体分散体と薬学的に許容可能な添加剤とを含有することを特徴とする薬剤学的組成物。
- (a)デュタステリドを炭素数1〜6のアルコールに溶かし、γ−シクロデキストリンと、増粘剤及び界面活性剤からなる群より選ばれたいずれか1種以上とを水に溶かした後、二液を混合するステップと;
(b)前記混合物を減圧乾燥法、噴霧乾燥法又は凍結乾燥法により顆粒化するステップと;
(c)前記顆粒物と薬学的に許容可能な添加剤とを混合して経口投与用製剤を調製し、
デュタステリド包接物は、デュタステリドとγ−シクロデキストリンを1:50〜1:300の重量比で含有することを特徴とする方法。 - ステップ(a)において、プロピレングリコールを添加することを特徴とする請求項9に記載の方法。
- ステップ(a)において、薬学的に許容可能な添加剤をさらに混合することを特徴とする請求項9に記載の方法。
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