JP2013224265A - 打圧感受性薬物を含有する錠剤 - Google Patents
打圧感受性薬物を含有する錠剤 Download PDFInfo
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- JP2013224265A JP2013224265A JP2012095931A JP2012095931A JP2013224265A JP 2013224265 A JP2013224265 A JP 2013224265A JP 2012095931 A JP2012095931 A JP 2012095931A JP 2012095931 A JP2012095931 A JP 2012095931A JP 2013224265 A JP2013224265 A JP 2013224265A
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Abstract
【解決手段】打圧感受性薬物及び平均L/Dが2.0−4.5のセルロースを含有し、低融点油状物質を含有しない、直接打錠により得られた錠剤とする。
【選択図】なし
Description
[1]打圧感受性薬物及び平均L/Dが2.0−4.5のセルロースを含有し、低融点油状物質を含有しない、直接打錠により得られた錠剤、
[2]打圧感受性薬物がカンデサルタンシレキセチルである、[1]に記載の錠剤、
である。
錠剤を薬物濃度が160mg/Lとなるように移動相に溶解させ、空孔0.45μmのPTFEシリンジフィルターでろ過して不溶物を除き、HPLC(型式LC−10ADVP、島津製作所製)を用いて測定する。
カラム:Phenomenex Luna C18(2)、Φ4.6mm×250mm
カラム温度:35℃
移動相:アセトニトリル:0.1Mリン酸2水素ナトリウム水溶液:トリエチルアミン=65:35:0.1[vol.%]の混合溶液にリン酸を加えて、pH3.9に調整して使用した。
流速:1.0mL/min
注入量:5μL/分析
検出:UV検出器(型式SPD−10AVP、島津製作所製)、波長262nm
上記と同じ測定方法により、打錠直後の類縁物質量(A)と、温度25℃、湿度58%RHに設定した恒温恒湿機中で6ヶ月間保存した後の類縁物質量(B)を測定し、下記の式から求めた。
類縁物質発生量=B−A
シュロインゲル硬度計(型式8M、PHARMATRON製)で、錠剤を破壊するために必要な荷重を求め、錠剤3個の平均値を算出し、以下の範囲であれば実用可能な硬度とする。なお、剤形がカプレット(楕円形)のように円形でない錠剤では、錠剤の最長部分の直線距離を錠剤の直径とする。
錠剤の直径4〜6mm :錠剤硬度30N以上
錠剤の直径6〜9mm :錠剤硬度50N以上
錠剤の直径9〜11mm :錠剤硬度70N以上
錠剤の直径11〜15mm:錠剤硬度100N以上
錠剤の直径15mm以上 :錠剤硬度150N以上
カンデサルタンシレキセチル粉末5gと結晶セルロースとして、セオラスPH−102(旭化成ケミカルズ)を4g、乳糖(SuperTAB 11SD、DMV−Fonterra Excipients)を1gポリ袋に入れ、3分間混合し、単発打錠機で打圧2kN、3kN、4kN、5kNで打錠し、直径8mm、錠剤重量200mgの錠剤を得た。得られた錠剤をガラス瓶で密栓し、周囲の雰囲気を25℃、湿度58%RHとして、3か月保存し、類縁物質発生量を求めると、表1のようになり、打圧感受性があることが確認できた。
打圧感受性薬物であるカンデサルタンシレキセチル粉末5gと平均L/Dが3.2の結晶セルロース(セオラスKG−1000、旭化成ケミカルズ)4g、乳糖(SuperTAB 11SD、DMV−Fonterra Excipients)1gをポリ袋に入れ、3分間混合して、200mgを量りとり、臼に充填して、単発打錠機(型式1321DW、アイコーエンジニアリング製)を用いて打錠圧2.5kNを10秒間保持して打錠し(直接打錠)、直径8mm、200mgの平錠を得た。得られた錠剤の硬度は55Nであり、実用硬度を満たしていることを確認した。得られた錠剤の物性を表2に示す。
実施例1における結晶セルロースを平均L/Dが2.8の結晶セルロース(セオラスKG−802、旭化成ケミカルズ)に変更した。打圧3.0kNで、錠剤硬度52Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例1における打圧感受性薬物と結晶セルロースの配合比を変更した。
打圧感受性薬物であるカンデサルタンシレキセチル粉末6gと平均L/Dが3.2の結晶セルロース(セオラスKG−1000、旭化成ケミカルズ)4gを実施例1と同様に混合し、単発打錠機にて打錠した(直接打錠法)。打圧2.0kNで、錠剤硬度51Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例3における結晶セルロースを平均L/Dが2.8の結晶セルロース(セオラスKG−802、旭化成ケミカルズ)に変更した。打圧2.75kNで、錠剤硬度53Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例1における結晶セルロースを平均L/Dが1.3の結晶セルロース(セオラスPH−102、旭化成ケミカルズ)に変更した。打圧4.0kNで、錠剤硬度58Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例1における結晶セルロースを平均L/Dが1.2の結晶セルロース(セオラスPH−200、旭化成ケミカルズ)に変更した。打圧4.5kNで、錠剤硬度55Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例3における結晶セルロースを平均L/Dが1.3の結晶セルロース(セオラスPH−102、旭化成ケミカルズ)に変更した。打圧4.0kNで、錠剤硬度54Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例3における結晶セルロースを平均L/Dが1.2の結晶セルロース(セオラスPH−200、旭化成ケミカルズ)に変更した。打圧4.7kNで、錠剤硬度55Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
実施例1において、乳糖の配合量を1.0gから0.5gに変更し、さらにポリエチレングリコール6000を0.5g添加する処方に変更した。打圧6kNで、錠剤硬度54Nである、実用硬度を満たした錠剤を得た。得られた錠剤の物性を表2に示す。
Claims (2)
- 打圧感受性薬物及び平均L/Dが2.0−4.5のセルロースを含有し、低融点油状物質を含有しない、直接打錠により得られた錠剤。
- 打圧感受性薬物が、カンデサルタンシレキセチルである、請求項1に記載の錠剤。
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WO2014088123A1 (en) * | 2012-12-05 | 2014-06-12 | Sawai Pharmaceutical Co., Ltd. | Candesartan cilexetil-containing preparation |
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WO2014088123A1 (en) * | 2012-12-05 | 2014-06-12 | Sawai Pharmaceutical Co., Ltd. | Candesartan cilexetil-containing preparation |
US9561213B2 (en) | 2012-12-05 | 2017-02-07 | Sawai Pharmaceutical Co., Ltd | Candesartan cilexetil-containing preparation |
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