JP5589097B2 - ダサチニブ多結晶体、並びにその調製方法及び薬物組成物 - Google Patents
ダサチニブ多結晶体、並びにその調製方法及び薬物組成物 Download PDFInfo
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- JP5589097B2 JP5589097B2 JP2012551475A JP2012551475A JP5589097B2 JP 5589097 B2 JP5589097 B2 JP 5589097B2 JP 2012551475 A JP2012551475 A JP 2012551475A JP 2012551475 A JP2012551475 A JP 2012551475A JP 5589097 B2 JP5589097 B2 JP 5589097B2
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Description
オクタデシルシリル化シリカゲルを充填剤とし、0.05mol/Lリン二水素カリウム(0.2%トリエチルアンモニウム、リン酸でpH値を2.5まで調節した)−メタノール(45:55)を移動相とする。検出波長230nm、理論段数はダサチニブのピークに基づいて計算すれば2000以上であるべきであり、ダサチニブのピークと隣接する不純物のピークとの分解能が要求を満たす必要がある。
一、溶解性:中国薬典2000年版2部凡例に基づいて試験する。
1.光照射試験
ダサチニブ1水和物の多結晶体Iを開口のシャーレに均一に分注し、厚さ≦5mm、距離を調節し、光照射強度を4500±500Lxにし、それぞれ5、10日目にサンプルを取って測定を行い、且つ0日目の結果と比較する。結果を表2に示す。10日のX線回折図は図6に示す。ダサチニブ1水和物の多結晶体Iの、強光照射10日のDSC図は図7に示す。
ダサチニブ1水和物の多結晶体I原料を密封の清浄ガラスボトルに入れて、60℃の恒温乾燥装置に放置し、それぞれ5、10日目にサンプルを取って測定を行い、且つ0日目の結果と比較する。結果を表3に示す。60℃10日考察したX線回折図を図8に示す。60℃10日考察したDSC図は図9−1に示し、TGA図は図9−2に示す。
ダサチニブ1水和物の多結晶体I原料を開口のシャーレに均一に分注し、厚さ≦5mm、室温(約25℃)、相対湿度75±5%の恒温恒湿培養装置に放置し、それぞれ5、10日目にサンプルを取って測定を行い、且つ0日目の結果と比較する。結果を表4に示す。相対湿度75±5%の10日のX線回折図は図10に示し、DSC走査図は図11−1に示し、TGA図は11−2に示す。
ダサチニブ1水和物の多結晶体I原料をポリエチレンフィルムのプラスチック袋で密封包装し、40±2℃、相対湿度75±5%の恒温恒湿培養装置に6ヶ月放置し、それぞれ1、2、3、6ヶ月末にサンプルを取って測定を行い、且つ0ヶ月の結果と比較する。結果を表5に示す。6ヶ月のX線回折図は図12に示し、DSC走査図は図13−1に示し、TGA図は13−2に示す。
一、溶解性:中国薬典2000年版2部凡例に基づいて試験する。
1.光照射試験
ダサチニブ多結晶体IIを開口のシャーレに均一に分注し、厚さ≦5mm、距離を調節し、光照射強度を4500±500Lxにし、それぞれ5、10日目にサンプルを取って測定を行い、且つ0日目の結果と比較する。結果を表7に示す。10日のX線回折図は図19に示し、光照射10日のDSC図は図20に示す。
ダサチニブ多結晶体II原料を密封の清浄なガラスボトルに入れて、60℃の恒温乾燥装置に放置し、それぞれ5、10日目にサンプルを取って測定を行い、且つ0日目の結果と比較する。結果を表8に示す。高温下で10日間試験したX線回折図を図21に示す。高温下で10日間試験DSC図を図22に示す。
ダサチニブ多結晶体II原料を開口のシャーレに均一に分注し、厚さ≦5mm、室温(約25℃)、相対湿度75±5%の恒温恒湿培養装置に放置し、それぞれ5、10日目にサンプルを取って測定を行い、且つ0日目の結果と比較する。結果を表9に示す。高湿実験10日のX線回折図を図23に示し、高湿実験10日目のDSC図を図24−1に示し、高湿実験10日のTGA図を24−2に示す。
ダサチニブ多結晶体II原料をポリエチレンフィルムのプラスチック袋で密封包装し、40±2℃、相対湿度75±5%の恒温恒湿培養装置に6ヶ月放置し、それぞれ1、2、3、6ヶ月末にサンプルを取って測定を行い、且つ0ヶ月の結果と比較する。結果を表10に示す。40℃加速試験6ヶ月目のX線回折図を図25に示し、40℃加速試験6ヶ月目のDSC図を図26−1に示し、40℃加速試験6ヶ月目のTGA図を26−2に示す。
多結晶体Iの調製
A、反応フラスコに、ダサチニブ10g、ジメチルスルホキシド40mlを加え、撹拌しながら温度を60〜70℃まで上げて、溶解させた後保温下で120ml水とアセトンとの混合液(1:1)を加え、撹拌下で結晶を析出させた後温度を0℃まで下げて10分間結晶形成させる。真空ろ過して、ケーキを水で洗浄した後水とアセトンとの混合液(1:1)で洗浄を行い且つ真空乾燥する。ケーキを約50℃で減圧(−0.095MPa)乾燥を行い、五酸化二リンで補助乾燥を行い、7.7g白色固体を得た、収率が77%である。
多結晶体IIの調製
A、反応フラスコに、ダサチニブ10g、ジメチルホルムアミド40mlを加え、温度を60〜70℃まで上げて撹拌しながら溶解させ、前記ダサチニブのジメチルホルムアミド溶液を、300mlの体積のアセトンの密封環境に放置する。アセトンを室温から還流温度まででダサチニブのジメチルホルムアミド溶液に揮発させる。数時間ひいては数日後溶液から堆積状の結晶が析出された後さらに数時間ひいては数日を静置する。真空ろ過して、ケーキをアセトンで洗浄する。ケーキを約50℃で減圧(−0.095MPa)乾燥し、五酸化二リンで補助乾燥を行い、6.1g白色固体を得る、収率は61%である。
ダサチニブカプセル剤の処方及び調製プロセス
以下の方法に基づいて、複数種の賦形剤を使用して、前記ダサチニブ多結晶体I、II、またはI、IIの任意な割合の混合物を、50mg含有する固体製剤に調製する。
ダサチニブ錠剤の処方及び調製プロセス
以下の方法に基づいて、複数種の賦形剤を使用して、前記ダサチニブ多結晶体I、II、またはI、IIの任意な割合の混合物を、50mg含有する錠剤に調製する。
CN200580011916.6に開示される方法で調製されたダサチニブ多結晶体A(以下“916.6多結晶体A”と略称する)を代表として、本発明の多結晶体I及びII(以下“多結晶体I及びII”と略称する)と、破壊実験の安定性考察方法及び結果を比較する。
酸化破壊:サンプル50mgを取り、精密に量り、100mlメスフラスコに入れ、30%過酸化水素10mlを加え、室温で2時間放置した後、移動相でフルスケールまで希釈し、均一に振り混ぜて、高速液体クロマトグラフィー法によって測定を行う。
高速液体クロマトグラフィー法の条件及びシステム適合性 オクタデシルシリル化シリカゲルを充填剤とし、0.05mol/Lりん酸二水素カリウム(0.2%トリエチルアンモニウム、リン酸でpH値を2.5まで調節した)−メタノール(45:55)を移動相とする。検出波長230nm、理論段数はダサチニブのピークに基づいて計算すれば2000以上であるべき、ダサチニブのピークと隣接する不純物のピークとの分解能がが要求要求を満たす必要がある。
本発明の実施例3及び4において調製したカプセル及び錠剤のX線回折図を測定し、本発明の実施例1の方法Aにより調製されたダサチニブ多結晶体IのXRPD図において特徴的なピークと比較を行った。以下のように示す。
また、本発明の実施例3及び4において調製されたカプセル及び錠剤の類縁物質を測定し、本発明の実施例1の方法Aにより調製されたダサチニブ多結晶体Iの類縁物質と比較を行った。以下のように示す。
本発明はダサチニブの新型結晶体を提供し、さらにその調製方法、及び当該ダサチニブの新型多結晶体を含有する薬物組成物を提供する。本発明により提供されるダサチニブ多結晶体は理化性質が優れており且つ安定性がよく、工業的量産により適し、且つ長期的保管にも適し、製剤プロセス及び製剤の長期保管の要求をより満足できる。本発明により提供されるダサチニブ多結晶体の調製方法はプロセスが簡単で、操作が非常にしやすく、工業的量産時の操作が便利で、品質が制御しやすく且つ収率が安定である。また、本発明により提供される調製方法によって回転結晶時の有機溶剤の使用量が大幅に削減され、コストが下がった。また、毒性の低い3類有機溶剤類を選択して使用しダサチニブ多結晶体を調製することができるため、人体に対する残留有機溶媒による害毒の潜在的な影響をある程度緩和できた。
Claims (7)
- ダサチニブ一水和物の多結晶体Iであって、Cu−Kα線を使用し、そのX線回折図は、強度で示される2θが9.1±0.2、11.1±0.2、13.7±0.2、15.1±0.2、17.8±0.2、19.4±0.2、及び23.0±0.2に回折ピークを有する、ダサチニブ一水和物の多結晶体I。
- XRPD図回折ピークが下記の通りである、請求項1に記載の多結晶体I。
- そのDSC図は約100〜130℃の間において第1吸熱ピークを有し、284〜290℃の間において第2吸熱ピークを有する、請求項1または2に記載の多結晶体I。
- KBr打錠法によって測定した赤外吸収スペクトルは、その特徴として約3462.42cm−1、3210.67cm−1、3003.96cm−1、2954.14cm−1、2823.49cm−1、1682.15cm−1、1629.58cm−1、1612.25cm−1、1583.84cm−1、1305.47cm−1、1290.91cm−1、1000.19cm−1、1040.60cm−1において吸収ピークを有する、請求項1または2に記載の多結晶体I。
- その固体13C−NMRスペクトルの特徴シフト値が16.75±0.2ppm、24.92±0.2ppm、41.72±0.2ppm、43.23±0.2ppm、44.28±0.2ppm、54.01±0.2ppm、55.48±0.2ppm、57.53±0.2ppm、58.70±0.2ppm、62.23±0.2ppm、63.20±0.2ppm、84.66±0.2ppm、127.92±0.2ppm、128.81±0.2ppm、132.70±0.2ppm、137.68±0.2ppm、139.00±0.2ppm、157.17±0.2ppm、162.07±0.2ppm、163.54±0.2ppm、166.84±0.2ppm、167.58±0.2ppmである、請求項1または2に記載の多結晶体I。
- ダサチニブをジメチルホルムアミドまたはジメチルスルホキシドに加えるステップ(1)と、
撹拌下で加熱してそれを溶解させるステップ(2)と、
水と、ダサチニブが溶けないまたはやや溶ける1種または複数種の混合溶剤である有機溶媒との混合溶剤を滴下するステップ(3)と、
滴下を止め、保温後撹拌下で温度を徐々に0〜5℃まで下げて固体を完全に析出させ、且つ結晶を成長させるステップ(4)と、
ろ過して固体を収集し、且つ乾燥するステップ(5)とを含む、請求項1〜5のいずれか1項に記載の多結晶体Iの調製方法。 - 請求項1〜5のいずれか1項に記載のダサチニブの多結晶体Iを含む薬物組成物。
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