JP2023532126A - パゾパニブを有効成分として含む錠剤及びその製造方法 - Google Patents
パゾパニブを有効成分として含む錠剤及びその製造方法 Download PDFInfo
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- JP2023532126A JP2023532126A JP2022581391A JP2022581391A JP2023532126A JP 2023532126 A JP2023532126 A JP 2023532126A JP 2022581391 A JP2022581391 A JP 2022581391A JP 2022581391 A JP2022581391 A JP 2022581391A JP 2023532126 A JP2023532126 A JP 2023532126A
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- tablet
- pazopanib
- granules
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- pharmaceutically acceptable
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- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2013—Organic compounds, e.g. phospholipids, fats
- A61K9/2018—Sugars, or sugar alcohols, e.g. lactose, mannitol; Derivatives thereof, e.g. polysorbates
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/506—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim not condensed and containing further heterocyclic rings
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
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- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
- A61K9/2059—Starch, including chemically or physically modified derivatives; Amylose; Amylopectin; Dextrin
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- A—HUMAN NECESSITIES
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- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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Abstract
Description
他に明示的な記載がない限り、本明細書全体で使用されるいくつかの用語は、以下のように定義することができる。
パゾパニブ塩酸塩21.674gと微結晶セルロース5.9g、デンプングリコール酸ナトリウム2.0g、ポビドン(k-30)1.6gを篩過して混合した後、これに水16.0gを加えた後、混合し、50℃で乾燥して溶媒を揮発させた後、篩過して顆粒を得た。
篩過した顆粒に微結晶セルロース0.5gとデンプングリコール酸ナトリウム2.12gを加えて混合した後、ステアリン酸マグネシウム0.21gを加えてさらに混合した(滑沢工程)。この混合物を1錠当たり640.0mg重量に基づいて長方形パンチで打錠した。
素錠全重量に対して合計3.0%(w/w)に該当する割合でコーティングを行った。コーティング基剤は、ヒドロキシプロピルメチルセルロース(HPMC)を主成分とするカラコン社製のOpadry(登録商標)を使用し、コーティング液には水を用いた。
実施例1と同様の方法で顆粒を製造し、水7.5gを用い、その他の工程と賦形剤比率は同様に用いて、素錠とコーティング錠を得た。素錠の硬度は約150Nであった。
実施例1と同様の方法で顆粒を製造し、水12.5gを用い、その他の工程と賦形剤比率は同様に用いて、素錠とコーティング錠を得た。素錠の硬度は約153Nであった。
比較例1と同様の方法で顆粒を製造し、水16.0gを用い、その他の工程と賦形剤比率は同様に用いて、素錠とコーティング錠を得た。素錠の硬度は約150Nに合わせた。
パゾパニブ塩酸塩21.674gと微結晶セルロース5.9g、デンプングリコール酸ナトリウム2.0g、ポビドン(k-30)1.6gを篩過して混合した後、これにエタノール5.0gを加えた後、混合し、50℃で乾燥して溶媒を揮発させた後、篩過して顆粒を得た。
篩過した顆粒に微結晶セルロース0.5gとデンプングリコール酸ナトリウム2.12gを加えて最終混合した後、ステアリン酸マグネシウム0.21gを加えて混合した。この混合物を1錠当たり640.0mg重量に基づいて長方形パンチで打錠した。素錠の硬度は約155Nであった。
素錠全重量100%(w/w)に対して合計3.0%(w/w)に該当する割合でコーティングを行った。コーティング基剤は、HPMCを主成分とするカラコン社製のOpadry(登録商標)を使用し、コーティング液には水を用いた。
嵩、密度(嵩密度、タップ密度)の測定
嵩、密度は、米国薬局方616の粉末の嵩密度とタップ密度(BULK DENSITY AND TAPPED DENSITY OF POWDERS)の方法Iに記載された方法で進めた。各実施例及び比較例の滑沢を終えた顆粒10.0gを秤量し、50mLのメスシリンダーに押し付けられないように傾けて加え、体積を測定して嵩密度(g/mL)を計算した。
嵩密度を測定した顆粒が入っているメスシリンダーを毎分当り200回の速度でタップした。連続して測定した2回の測定値の差が前の測定値に対して2%未満になるまで50回タップを繰り返し、この時の最終体積を測定して、タップ密度(g/mL)を計算した。
錠剤の硬度及び厚さ
各実施例及び比較例の素錠について錠剤の硬度及び厚さを測定した。各バッチの個数はn=6とした。具体的に、硬度は電動硬度計(DR.SCHLEUNiGER社製のTablet Tester 8M)を使用して錠剤の長軸を基準に測定した。厚さは、バーニヤキャリパー(Mitutoyo社製のCD-20APX)を使用して錠剤の最も厚い中央部を測定した。
測定結果を下記表2に示した。
韓国薬局方第10改正の崩壊試験法に従って各実施例及び比較例で得られたコーティング錠についてn=3とし、水で崩壊試験を行った。具体的に、37±2℃の恒温槽で1分間29~32回往復、振幅53~57mm上下に運動する試験器及び電動機で、塩酸でpH約1.2に調整された水1000mLに、一つのコーティング錠を加えて崩壊速度を測定した。試験結果液の色は透明であり、そのpHは約1.2であり、結果を下記表3に示した。
各実施例及び比較例と対照薬(VOTRIENT(登録商標)錠)について韓国薬局方第10改正溶出試験法のパドル法による下記の条件でn=3とし、溶出試験を行った。その結果を下記表4に示した。
溶出液: 溶出試験第1液(pH1.2緩衝溶液)
回転速度: 50rpm
温度: 37℃
溶出検液の採取時点: 2.5分、5分、10分、15分、30分
分析方法: HPLC分析法
比較例2で製造されたパゾパニブコーティング錠(パゾパニブとして400mg用量)に対して対照薬であるVOTRIENT(登録商標)錠(ノバルティス社製、パゾパニブとして400mg用量)と生体内の薬力学的特性を比較するためにビーグル犬で非臨床薬力学(PK)試験を行った。
実験動物は2つの群に分け、それぞれ実施例2の錠剤と対照薬を空腹状態で水と共に服用した後、48時間までに決められた時間間隔で採血した。採取された血液サンプルは、血漿を分離した後、冷凍して保管し、LC/MS/MS装置で濃度を分析し、経時による血中濃度を得た。該当データからAUCとCmaxを求め、その結果をまとめて下記表5に示した。
実施例1で製造されたパゾパニブコーティング錠(パゾパニブとして400mg用量)に対して対照薬であるVOTRIENT(登録商標)錠(ノバルティス社製、パゾパニブとして400mg用量)と生体内の薬力学的特性を比較するためにビーグル犬で非臨床PK試験を行った。
実験動物は3つの群に分け、それぞれ実施例4の錠剤と対照薬を空腹状態で水と共に服用した後、48時間までに決められた時間間隔で採血した。採取された血液サンプルは、血漿を分離した後、冷凍して保管し、LC/MS/MS装置で濃度を分析し、経時による血中濃度を得た。該当データからAUCとCmaxを求め、その結果をまとめて下記表6に示した。
Claims (12)
- パゾパニブ又はその薬学的に許容される塩、希釈剤、崩壊剤及び結合剤を含み、アルコールを使用せずに製造された顆粒;及び
薬学的に許容される一つ以上の添加剤;
を含み、
素錠基準硬度が160N~200Nであるパゾパニブ錠剤。 - 前記パゾパニブ又はその薬学的に許容される塩が、パゾパニブ塩酸塩である請求項1に記載の錠剤。
- 前記顆粒に含まれる希釈剤が、糖、糖アルコール、セルロース、デンプン、無機塩及びそれらの混合物からなる群から選ばれる請求項1に記載の錠剤。
- 前記顆粒に含まれる崩壊剤が、膨潤性崩壊剤、湿潤性崩壊剤及びそれらの混合物からなる群から選ばれる請求項1に記載の錠剤。
- 前記顆粒に含まれる結合剤が、ポビドン、ポリビニルピロリドン、ポリビニルアルコール、カーボポール、ヒドロキシプロピルメチルセルロース、ヒドロキシプロピルセルロース、カルボキシメチルセルロース、カルボキシメチルセルロースナトリウム、ヒドロキシエチルセルロース、プルラン、カルボキシビニルポリマーポリエチレングリコール又はそれらの誘導体、及びそれらの混合物からなる群から選ばれる請求項1に記載の錠剤。
- 前記顆粒の嵩密度が、0.34g/mL以上~0.5g/mL以下である請求項1に記載の錠剤。
- 前記顆粒のタップ密度が、0.45g/mL以上~0.6g/mL以下である請求項1に記載の錠剤。
- コーティング層をさらに含む請求項1~7のいずれか1項に記載の錠剤。
- 37±2℃のpH1.0~1.4溶液中で2分30秒以上~5分以下の崩壊時間を示す請求項8に記載の錠剤。
- 37±0.5℃のpH1.0~1.4溶液中で5分以内に50%以下の溶出率を示し、30分以内に90%以上の溶出率を示す請求項8に記載の錠剤。
- (1)パゾパニブ又はその薬学的に許容される塩、希釈剤、崩壊剤、結合剤及び溶媒を混合する工程;
(2)前記工程(1)で得られた混合物から溶媒を除去して、造粒する工程;及び
(3)前記工程(2)で得られた顆粒に、薬学的に許容される一つ以上の添加剤を混合して、打錠する工程;
を含み、
前記工程(1)で使用された溶媒がアルコールを含まず、
前記工程(3)で製造された錠剤の素錠基準硬度が、160N~200Nであるパゾパニブ錠剤の製造方法。 - (4)前記工程(3)で打錠された素錠をコーティング基剤でコーティングする工程をさらに含む請求項11に記載の方法。
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