JP7339057B2 - ラクトフェリン含有腸溶錠及びその製造方法 - Google Patents
ラクトフェリン含有腸溶錠及びその製造方法 Download PDFInfo
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- JP7339057B2 JP7339057B2 JP2019144441A JP2019144441A JP7339057B2 JP 7339057 B2 JP7339057 B2 JP 7339057B2 JP 2019144441 A JP2019144441 A JP 2019144441A JP 2019144441 A JP2019144441 A JP 2019144441A JP 7339057 B2 JP7339057 B2 JP 7339057B2
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- lactoferrin
- crystalline cellulose
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- enteric
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Description
前記(B)結晶セルロースの嵩密度は0.23 g/cm3以上である、
腸溶錠。
<2> 前記(B)結晶セルロースの嵩密度は0.25 g/cm3以上であり、
前記(B)結晶セルロースと前記(A)ラクトフェリンとの重量比(B/A)は0.09以上である、
<1>の腸溶錠。
<3> 前記重量比(B/A)は60以下である、
<2>に記載の腸溶錠。
<4> 前記(B)結晶セルロースと前記(A)ラクトフェリンとの重量比(B/A)は0.65以上2.60以下である、
<3>に記載の腸溶錠。
<5> 前記素錠は、嵩密度が0.25 g/cm3より小さい他の結晶セルロースをさらに含有する、
<2>~<4>いずれかに記載の腸溶錠。
<6> 前記(B)結晶セルロースの平均粒子径は20μm以上である、
<1>~<5>いずれかに記載の腸溶錠。
<7> 素錠が、(A)ラクトフェリンと、(B)結晶セルロースを含有し、
前記(B)結晶セルロースと前記(A)ラクトフェリンとの重量比(B/A)は0.65以上2.60以下であり、
素錠の硬度が7kgf以上であり、
溶出性維持率が70%以上である、
腸溶錠。
<8> 前記素錠が、さらに(C)ステアリン酸塩を含有する、
<1>~<7>いずれかに記載の腸溶錠。
<9> 前記素錠がメタクリル酸系高分子化合物、シェラック、ツェイン、アルギン酸及びアルギン酸塩のいずれかの保護膜成分でコーティングされている、
<1>~<8>いずれかに記載の腸溶錠。
<10> 前記素錠とコーティングとの間に前記保護膜成分を含まないプレコーティングが施されている、
<9>に記載の腸溶錠。
<11> 前記(A)ラクトフェリンを、脂質代謝の活性化、便秘の治療又は予防、腸内フローラの活性化、安眠、成長ホルモンの分泌の促進、ドライアイ及び角膜上皮剥離並びにこれらから派生する目の疾患のいずれかの治療又は予防、血圧降下、アレルギーの治療又は予防、免疫の活性化、更年期障害の治療又は予防、並びに肝機能の活性化のいずれかのための生理活性成分として含有する、
<1>~<10>のいずれかに記載の腸溶錠。
<12> 腸溶錠の製造方法であって、
(A)ラクトフェリンの粉体と、嵩密度が0.23 g/cm3以上である(B)結晶セルロースの粉体とを含有する混合粉体を打錠機にて打錠することで素錠を得て、これをコーティングする、
方法。
- 臼杵金型の形状:
直径9.0 mm,コーナーは2段式のR面取り
R1=3.6 mm,R2=10.5 mm,ランド部=1.5 mm
ランド部は錠剤の側面からR面の立ち上がり部までの距離を表す
- フィードシューの攪拌羽の回転数:60 rpm
HPMC(ヒドロキシプロピルメチルセルロース):6%
グリセリン:2%
水:92%
HPMC:2.1%
グリセリン:1.1%
アルギン酸ナトリウム:3.2%
微粒二酸化ケイ素:0.5%
水:93.1%
ヒドロキシプロピルメチルセルロース 2.9
グリセリン 1.0
ヒドロキシプロピルメチルセルロース 5.1
グリセリン 2.7
アルギン酸ナトリウム 7.8
微粒二酸化ケイ素 1.2
- 検出器: 紫外吸光光度計(測定波長:280 nm)
- カラム充填剤: 5 μmの液体クロマトグラフィー用ブチル化ポリビニルアルコールポリマーゲル(Shodex Asahipak C4P-50 4D)
- カラム管: 内径4.6 mm、長さ15 cmのステンレス管
- ガードカラム: Shodex Asahipak C4P-50G 4A
- カラム温度: 35℃
- 移動相A: 0.03 w/v重量%トリフルオロ酢酸含有アセトニトリル/塩化ナトリウム溶液(3→100) 混液 (10:90)
- 移動相B: 0.03 w/v重量%トリフルオロ酢酸含有アセトニトリル/塩化ナトリウム溶液(3→100) 混液 (50:50)
- 濃度勾配: A:B(50:50)からA:B(0:100)までの直線濃度勾配を25分間かけて適用する。
- 流量: 0.8 mL/分
** 7 kgf以上,9 kgf未満
* 7 kgf未満
*** 付着が認められなかった(図1)。
** 打錠開始から20分後には付着が認められた(図2)。
* 打錠開始直後から付着が認められた(図3)。
** 初期溶出率75%以上85%未満
* 初期溶出率65%以上75%未満
なお今回の実験例中では初期溶出率が75%に満たない処方は見られなかった。
レベル5 85%以上,90%未満
レベル4 80%以上,85%未満
レベル3 75%以上,80%未満
レベル2 70%以上,75%未満
レベル1 70%未満
(素錠)
(mg/錠)
ラクトフェリン 79.0
葛の花エキス 43.0
結晶セルロース(UF-F702) 167.0
CMC-Ca 6.0
微粒二酸化ケイ素 3.0
ステアリン酸Ca 2.0
HPMC 2.9
グリセリン 1.0
カラメル 0.5
HPMC 4.6
グリセリン 2.3
アルギン酸ナトリウム 7.1
微粒二酸化ケイ素 1.1
タルク 1.1
Claims (11)
- 素錠が、(A)ラクトフェリンと、(B)結晶セルロースを含有し、
前記(B)結晶セルロースの嵩密度は0.28 g/cm3以上であり、
前記(B)結晶セルロースと前記(A)ラクトフェリンとの重量比(B/A)は1.41以上である、
腸溶錠。 - 前記重量比(B/A)は60以下である、
請求項1に記載の腸溶錠。 - 前記重量比(B/A)は1.41以上2.60以下である、
請求項2に記載の腸溶錠。 - 前記素錠は、嵩密度が0.25 g/cm3より小さい他の結晶セルロースをさらに含有する、
請求項1~3いずれか1項に記載の腸溶錠。 - 前記(B)結晶セルロースの平均粒子径は20μm以上である、
請求項1~4いずれか1項に記載の腸溶錠。 - 素錠が、(A)ラクトフェリンと、(B)結晶セルロースを含有し、
前記(B)結晶セルロースの嵩密度は0.28 g/cm 3 以上であり、
前記(B)結晶セルロースと前記(A)ラクトフェリンとの重量比(B/A)は1.41以上2.60以下であり、
素錠の硬度が7kgf以上であり、
溶出性維持率が70%以上である、
腸溶錠。 - 前記素錠が、さらに(C)ステアリン酸塩を含有する、
請求項1~6いずれか1項に記載の腸溶錠。 - 前記素錠がメタクリル酸系高分子化合物、シェラック、ツェイン、アルギン酸及びアルギン酸塩のいずれかの保護膜成分でコーティングされている、
請求項1~7いずれか1項に記載の腸溶錠。 - 前記素錠とコーティングとの間に前記保護膜成分を含まないプレコーティングが施されている、
請求項8に記載の腸溶錠。 - 前記(A)ラクトフェリンを、脂質代謝の活性化、便秘の治療又は予防、腸内フローラの活性化、安眠、成長ホルモンの分泌の促進、ドライアイ及び角膜上皮剥離並びにこれらから派生する目の疾患のいずれかの治療又は予防、血圧降下、アレルギーの治療又は予防、免疫の活性化、更年期障害の治療又は予防、並びに肝機能の活性化のいずれかのための生理活性成分として含有する、
請求項1~9のいずれか1項に記載の腸溶錠。 - 腸溶錠の製造方法であって、
(A)ラクトフェリンの粉体と、嵩密度が0.28 g/cm3以上である(B)結晶セルロースの粉体とを、前記(B)結晶セルロースと前記(A)ラクトフェリンとの重量比(B/A)1.41以上で含有する混合粉体を打錠機にて打錠することで素錠を得て、これをコーティングする、
方法。
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