JP2011051966A - 爪白癬治療用貼付剤 - Google Patents
爪白癬治療用貼付剤 Download PDFInfo
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Abstract
【解決手段】 白癬菌に有効な成分を内包してなる小胞体を分散保持した含水ゲルを膏体とする爪白癬治療用貼付剤であって、小胞体を、爪もしくは皮膚の細孔及び角質層細孔を通過し得るが毛細血管内皮細胞間隙を通過し得ない粒径に調節する。
【選択図】なし
Description
水虫罹患者は国民の15%を超え、その内爪白癬罹患者は1000万人前後である。
しかしながら、このものは創傷の感染を治療・防止をして、創傷の治癒を図るためのものであり、リポソームに被包された有効成分を皮膚表面の創傷領域で適用する構成のものであって、リポソームそのものを特定の皮下領域に侵入させる構成のものではない。
非特許文献2 松本忠彦、他:西日本皮膚科、56、374−381、1994
特許文献1 特開2004−83439号公報明細書
特許文献2 特表2003−508127号公報明細書
上記少なくとも表面が親水性を有する繊維としては、例えば、パルプ、木綿糸、レーヨン、微結晶セルロース繊維その他の各種親水性樹脂繊維のほか、表面が親水性処理された各種の疎水性樹脂繊維やガラス繊維・セラミック繊維等が挙げられるが、これらに限定されない。
塩酸テルビナフィン内包リポソームの調製
ジパルミトイルホスファチジルコリン(DPPC)及びコレステロールを1:1の割合で用意し、DPPCの凍結乾燥物及びコレステロールの凍結乾燥物を混合して脂質凍結乾燥混合物を調製しておく。
一方、塩酸テルビナフィンを生理食塩水及び/又は5%デキストロースのような水性媒体に予め溶解させ、水性薬液を調製しておく。
次いで、上記脂質凍結乾燥混合物を、上記水性薬液で水和し、これを40〜50℃の温水浴で解凍した後、30〜50nm程度の孔を有する薄膜から高圧で押し出すことにより、平均粒径50nmの塩酸テルビナフィン内包リポソームを得た。
すなわち含水ゲル膏体構成成分として、ポリアクリル酸ナトリウム4g、ポリビニルアルコール2g、グリセリン18g、カルボキシメチルセルロースナトリウム1g、カラギーナン2g、エチルアルコール1g、パラベン0.1g、水(全体が100gとなるように用いる)を用意し、一方、塩酸テルビナフィン内包リポソームは、上記含水ゲル膏体成分における濃度がDPPCに関して約20mmolの割合となろよう用意した。
(1)カラギーナンを適量の水に加温溶解した。
(2)ポリビニルアルコールを適量の水に加温溶解した。
(3)上記(1)と(2)を加え、よく撹拌混合した。
(4)ポリアクリル酸ナトリウム及びカルボキシメチルセルロースナトリウムをグリセリンと混合した。
(5)(3)に(4)を加え、残りのものを加えて良く撹拌混合するとゲル組成物が得られた。
Claims (10)
- 白癬菌に有効な成分を内包してなる小胞体を分散保持した含水ゲルを膏体とする爪白癬治療用貼付剤であって、小胞体が、爪もしくは皮膚の細孔及び角質層細孔を通過し得るが毛細血管内皮細胞間隙を通過し得ない粒径に調節されていることを特徴とする爪白癬治療用貼付剤。
- 白癬菌に有効な成分をさらに膏体内に含有してなる請求項1記載の爪白癬治療用貼付剤。
- 有効成分がテルビナフィン又はその塩である請求項1又は2に記載の爪白癬治療用貼付剤。
- 小胞体の粒径が、100nm以下である請求項1〜3のいずれかに記載の爪白癬治療用貼付剤。
- 小胞体の粒径が、30〜50nmである請求項4に記載の爪白癬治療用貼付剤。
- 小胞体が、リポソームである請求項1〜5のいずれかに記載の爪白癬治療用貼付剤。
- 含水ゲルが、合成水溶性高分子及び/又は天然水溶性高分子からなる請求項1〜6のいずれかに記載の爪白癬治療用貼付剤。
- 合成水溶性高分子が、ポリアクリル酸及びその塩、カルボキシビニルポリマー、カルボキシメチルセルロースナトリウム、ポリビニルアルコールからなる群から選択される1種又は2種以上である請求項7記載の爪白癬治療用貼付剤。
- 天然水溶性高分子が、カラギーナン、ローカストビーンガム、グルコマンナン、グアーガム、タマリンドシードガム、ジェランガムからなる群から選択される1種又は2種以上である請求項7記載の爪白癬治療用貼付剤。
- 少なくとも表面が親水性である繊維群が含水ゲル内に分散保持されてなる請求項1〜9のいずれかに記載の爪白癬治療用貼付剤。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009225516A JP2011051966A (ja) | 2009-09-03 | 2009-09-03 | 爪白癬治療用貼付剤 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018525318A (ja) * | 2015-07-30 | 2018-09-06 | ウーシン ラボタチ カンパニー, リミテッドWooshin Labottach Co., Ltd. | 爪甲真菌症の予防用または治療用の医薬組成物およびその製造方法 |
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| JPS63126820A (ja) * | 1986-11-17 | 1988-05-30 | Shiseido Co Ltd | 外皮用リポソ−ム製剤 |
| JPH02204413A (ja) * | 1989-02-02 | 1990-08-14 | Nonogawa Shoji:Kk | 抗真菌外用製剤 |
| JPH09504510A (ja) * | 1993-07-28 | 1997-05-06 | ファイザー・インコーポレーテッド | 爪用の抗真菌性液剤 |
| JP2003508127A (ja) * | 1999-08-27 | 2003-03-04 | デパートメント オブ ナショナル ディフェンス | リポソームで被包された治療薬を含むヒドロゲル傷被覆用品 |
| WO2007031519A2 (en) * | 2005-09-15 | 2007-03-22 | Air Liquide Sante (International) | Antimicrobial preparations having a content of octenidine dihydrochloride encapsulated in liposomes |
| WO2007077806A1 (ja) * | 2005-12-28 | 2007-07-12 | Teikoku Seiyaku Co., Ltd. | 爪用医薬組成物 |
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| JPH02204413A (ja) * | 1989-02-02 | 1990-08-14 | Nonogawa Shoji:Kk | 抗真菌外用製剤 |
| JPH09504510A (ja) * | 1993-07-28 | 1997-05-06 | ファイザー・インコーポレーテッド | 爪用の抗真菌性液剤 |
| JP2003508127A (ja) * | 1999-08-27 | 2003-03-04 | デパートメント オブ ナショナル ディフェンス | リポソームで被包された治療薬を含むヒドロゲル傷被覆用品 |
| WO2007031519A2 (en) * | 2005-09-15 | 2007-03-22 | Air Liquide Sante (International) | Antimicrobial preparations having a content of octenidine dihydrochloride encapsulated in liposomes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2018525318A (ja) * | 2015-07-30 | 2018-09-06 | ウーシン ラボタチ カンパニー, リミテッドWooshin Labottach Co., Ltd. | 爪甲真菌症の予防用または治療用の医薬組成物およびその製造方法 |
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