JP2007131591A - 胃内滞留型徐放性固形製剤 - Google Patents
胃内滞留型徐放性固形製剤 Download PDFInfo
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- JP2007131591A JP2007131591A JP2005327496A JP2005327496A JP2007131591A JP 2007131591 A JP2007131591 A JP 2007131591A JP 2005327496 A JP2005327496 A JP 2005327496A JP 2005327496 A JP2005327496 A JP 2005327496A JP 2007131591 A JP2007131591 A JP 2007131591A
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Abstract
【解決手段】 1種以上の活性成分と、保水量が400%以上で、ゲル押込み荷重が200g以上で、水溶性成分量が40〜95%で、目開き75μmの篩いを通過する粒子が90重量%以上で、目開き32μmの篩いを通過する粒子が20重量%以上である加工澱粉とを含み、投与後に胃内に滞留する徐放性固形製剤。
【選択図】 図7
Description
(1)1種以上の活性成分と、保水量が400%以上で、ゲル押込み荷重が200g以上で、水溶性成分量が40〜95%で、目開き75μmの篩いを通過する粒子が90重量%以上で、目開き32μmの篩いを通過する粒子が20重量%以上である加工澱粉とを含み、投与後に胃内に滞留することを特徴とする徐放性固形製剤。
(2)前記加工澱粉の目開き75μmの篩いを通過する粒子が98重量%以上で、目開き32μmの篩いを通過する粒子が40重量%以上であることを特徴とする上記(1)に記載の固形製剤。
(3)さらに、水膨潤性ポリマーを含有することを特徴とする上記(1)又は(2)に記載の固形製剤。
(4)さらに、コーティング顆粒を含有することを特徴とする上記(1)〜(3)のいずれかに記載の固形製剤。
(5)重量が0.20gよりも大きいこと特徴とする上記(1)〜(4)のいずれかに記載の固形製剤。
水溶性成分量=(乾燥重量×100÷30)÷澱粉1gの絶乾重量×100・・(ア)
(2)固形製剤の溶出試験開始0.5時間及び6.0時間経過後の大きさ
(3)溶出試験開始6時間経過後のゲル押込み荷重
(4)粒度分布 32μmより小さい粒子数
(5)粒度分布 75μmより小さい粒子数
(6)保水量
保水量(%)=100×(W−W0)/W0・・・・・(イ)
(7)崩壊時間(hr)
(8)ゲル押込み荷重(g)
(9)水溶性成分量(%)
水溶性成分(%)=(乾燥重量×100÷30)÷絶乾重量×100・・・・(ウ)
(10)加工澱粉の膨潤度(cm3/g)
加工澱粉の膨潤度(cm3/g)=V/加工澱粉の乾燥重量・・・・・(エ)
(11)加温保存条件下のゲル押込み荷重(g)
[比較製造例1]
[実施例1]
[比較例1]
[実施例2]
[比較例2]
[比較例3]
[比較例4]
Claims (5)
- 1種以上の活性成分と、保水量が400%以上で、ゲル押込み荷重が200g以上で、水溶性成分量が40〜95%で、目開き75μmの篩いを通過する粒子が90重量%以上で、目開き32μmの篩いを通過する粒子が20重量%以上である加工澱粉とを含み、投与後に胃内に滞留することを特徴とする徐放性固形製剤。
- 前記加工澱粉の目開き75μmの篩いを通過する粒子が98重量%以上で、目開き32μmの篩いを通過する粒子が40重量%以上であることを特徴とする請求項1に記載の固形製剤。
- さらに、水膨潤性ポリマーを含有することを特徴とする請求項1又は2に記載の固形製剤。
- さらに、コーティング顆粒を含有することを特徴とする請求項1〜3のいずれかに記載の固形製剤。
- 重量が0.20gよりも大きいこと特徴とする請求項1〜4のいずれかに記載の固形製剤。
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WO2011004799A1 (ja) | 2009-07-06 | 2011-01-13 | 杏林製薬株式会社 | 中空構造を有する錠剤 |
JP2014507122A (ja) * | 2010-12-13 | 2014-03-27 | アルトリア クライアント サービシーズ インコーポレイテッド | 印刷溶液を用意するプロセス、及びパターン付きタバコ包装材を作成するプロセス |
JP2015052007A (ja) * | 2009-05-27 | 2015-03-19 | サムヤン バイオファーマシューティカルズ コーポレイション | 生体利用率が向上した難溶性薬物含有微粒球およびその製造方法 |
US11707082B2 (en) | 2010-12-13 | 2023-07-25 | Altria Client Services Llc | Process of preparing printing solution and making patterned cigarette wrapper |
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WO2005005484A1 (ja) * | 2003-07-11 | 2005-01-20 | Asahi Kasei Chemicals Corporation | 機能性澱粉粉末 |
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WO2005005484A1 (ja) * | 2003-07-11 | 2005-01-20 | Asahi Kasei Chemicals Corporation | 機能性澱粉粉末 |
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JPN6007014504; Journal of controlled release 2001, Vol.76, No.76, No.1-2, pages 39-49 * |
JPN7007002383; Pharmaceutical research 1993, Vol.10, No.3, pages 351-355 * |
Cited By (6)
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JP2015052007A (ja) * | 2009-05-27 | 2015-03-19 | サムヤン バイオファーマシューティカルズ コーポレイション | 生体利用率が向上した難溶性薬物含有微粒球およびその製造方法 |
US9511026B2 (en) | 2009-05-27 | 2016-12-06 | Samyang Biopharmaceuticals Corporation | Poorly soluble drug containing microspheres with improved bioavailability and method of preparing the same |
WO2011004799A1 (ja) | 2009-07-06 | 2011-01-13 | 杏林製薬株式会社 | 中空構造を有する錠剤 |
JP2014507122A (ja) * | 2010-12-13 | 2014-03-27 | アルトリア クライアント サービシーズ インコーポレイテッド | 印刷溶液を用意するプロセス、及びパターン付きタバコ包装材を作成するプロセス |
US9302522B2 (en) | 2010-12-13 | 2016-04-05 | Altria Client Services Llc | Process of preparing printing solution and making patterned cigarette wrappers |
US11707082B2 (en) | 2010-12-13 | 2023-07-25 | Altria Client Services Llc | Process of preparing printing solution and making patterned cigarette wrapper |
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