JP2017008018A - 溶出改善されたオルメサルタンメドキソミル錠 - Google Patents
溶出改善されたオルメサルタンメドキソミル錠 Download PDFInfo
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Abstract
【解決手段】 本発明は、平均粒子径が3μm以下のオルメサルタンメドキソミルに対しては、ステアリン酸マグネシウム配合量をオルメサルタンメドキソミル含量に対して5重量%以上配合し、平均粒子径が4μm〜6μmのオルメサルタンメドキソミルに対しては、ステアリン酸マグネシウム配合量をオルメサルタンメドキソミル含量に対して8重量%以上配合することを特徴とするオルメサルタンメドキソミル含有製剤を提供する。
【選択図】図1
Description
<1>平均粒子径が3μm以下のオルメサルタンメドキソミルを含有する錠剤であって、オルメサルタンメドキソミル含量に対して5重量%以上のステアリン酸マグネシウムを含有した錠剤。
<2>平均粒子径が4μm〜6μmのオルメサルタンメドキソミルを含有する錠剤であって、オルメサルタンメドキソミル含量に対して8重量%以上のステアリン酸マグネシウムを含有した錠剤。
<3>オルメサルタンメドキソミル含量に対して5重量%〜50重量%のステアリン酸マグネシウムを含有する<1>記載の錠剤。
<4>オルメサルタンメドキソミル含量に対して5重量%〜20重量%のステアリン酸マグネシウムを含有する<1>記載の錠剤。
<5>オルメサルタンメドキソミル含量に対して8重量%〜60重量%のステアリン酸マグネシウムを含有する<2>記載の錠剤。
<6>オルメサルタンメドキソミル含量に対して8重量%〜30重量%のステアリン酸マグネシウムを含有する<2>記載の錠剤。
<7> <1>乃至<6>に記載されたオルメサルタンメドキソミル含有製剤の製造方法。
平均粒子径が約4μmのオルメサルタンメドキソミル(API)を40g、乳糖水和物を212.4g及び低置換度ヒドロキシプロピルセルロースを40g流動層造粒機(マルチプレックスMP―01(パウレック))に投入し混合後、水80gにヒドロキシプロピルセルロース6.4gを溶かした結合剤溶液で造粒・乾燥し、コーミル(パウレック)にて整粒した。得られた整粒品に、1錠あたり結晶セルロースが6重量%、及びステアリン酸マグネシウム(StMg)が0.625重量%となるように加えて、V型混合機(徳寿工作所)で混合し、錠剤機(VELA5(菊水製作所))にて320mgの錠剤を製した。
オルメサルタンメドキソミル40mg錠の溶出率の測定
日本薬局方第16改正に記載される溶出試験法第2法(パドル法)に従い、毎分50回転、試験液として水900mLを用い、1ベッセルあたり1錠のオルメサルタンメドキソミル40mg錠を添加し試験を行った。試験開始から120分後の試験液を採取し、0.45μm孔径のメンブランフィルターを用いて濾過し、吸光度測定法によりオルメサルタンメドキソミルの溶出率を測定した。溶出率の算出は、「257nmにおける濾液の吸光度−338nmにおける濾液の吸光度」を基に算出した。
Claims (7)
- 平均粒子径が3μm以下のオルメサルタンメドキソミルを含有する錠剤であって、オルメサルタンメドキソミル含量に対して5重量%以上のステアリン酸マグネシウムを含有した錠剤。
- 平均粒子径が4μm〜6μmのオルメサルタンメドキソミルを含有する錠剤であって、オルメサルタンメドキソミル含量に対して8重量%以上のステアリン酸マグネシウムを含有した錠剤。
- オルメサルタンメドキソミル含量に対して5重量%〜50重量%のステアリン酸マグネシウムを含有する請求項1記載の錠剤。
- オルメサルタンメドキソミル含量に対して5重量%〜20重量%のステアリン酸マグネシウムを含有する請求項1記載の錠剤。
- オルメサルタンメドキソミル含量に対して8重量%〜60重量%のステアリン酸マグネシウムを含有する請求項2記載の錠剤。
- オルメサルタンメドキソミル含量に対して8重量%〜30重量%のステアリン酸マグネシウムを含有する請求項2記載の錠剤。
- 請求項1乃至請求項6に記載されたオルメサルタンメドキソミル含有製剤の製造方法。
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011045760A2 (en) * | 2009-10-13 | 2011-04-21 | Ranbaxy Laboratories Limited | Micronized olmesartan medoxomil compositions |
| JP2012530126A (ja) * | 2009-06-19 | 2012-11-29 | ドラッガビリティ テクノロジーズ アイピー ホールドコ (ジャージー) リミテッド | ナノ粒子のオルメサルタンメドキソミル組成物、その調製方法、及びそれらを含有する医薬組成物 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012530126A (ja) * | 2009-06-19 | 2012-11-29 | ドラッガビリティ テクノロジーズ アイピー ホールドコ (ジャージー) リミテッド | ナノ粒子のオルメサルタンメドキソミル組成物、その調製方法、及びそれらを含有する医薬組成物 |
| WO2011045760A2 (en) * | 2009-10-13 | 2011-04-21 | Ranbaxy Laboratories Limited | Micronized olmesartan medoxomil compositions |
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