JP6700263B2 - エロビキシバットの結晶変態 - Google Patents
エロビキシバットの結晶変態 Download PDFInfo
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- JP6700263B2 JP6700263B2 JP2017519487A JP2017519487A JP6700263B2 JP 6700263 B2 JP6700263 B2 JP 6700263B2 JP 2017519487 A JP2017519487 A JP 2017519487A JP 2017519487 A JP2017519487 A JP 2017519487A JP 6700263 B2 JP6700263 B2 JP 6700263B2
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
- A61K31/554—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having at least one nitrogen and one sulfur as ring hetero atoms, e.g. clothiapine, diltiazem
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Description
「結晶変態」なる用語は、有機化合物の結晶性固相を指す。結晶変態は、溶媒和物又は非溶媒和物のいずれであってもよい。
X線粉末回折(XRPD)分析
必要に応じて、めのう乳鉢中、乾燥試料を軽く粉砕した後、試料ホルダーに塗り広げた。スラリー試料を湿潤状態で試料ホルダーに添加し、湿潤状態と乾燥状態の両方で分析した。X´celerator又はPIXcel検出器を装備したPANalytical X´Pert Pro回折計を使用し、カットシリコン型ゼロバックグラウンドホルダー(ZBH)又は多孔質アルミナフィルター型試料ホルダーにおいてXRPDデータを収集した。試料は、分析中、回転させ、Cu線を使用した。下記の実験設定を使用した。
管の電圧及び電流: 40kV、50mA
波長アルファ1(CuKα1): 1.5406Å
波長アルファ2(CuKα2): 1.5444Å
波長アルファ1と波長アルファ2との平均(CuKα): 1.5418Å
開始角度[2θ]: 1〜4°
終了角度[2θ]: 30〜40°
分析時間: 50秒(「1分走査」)、125秒(「2分走査」)、192秒(「3分走査」)、397秒(「6分走査」)、780秒(「13分走査」)、1020秒(「17分走査」)、4560秒(「1時間走査」)
およそ2〜16mgの試料を金属製受器に量り取り、次いで、試料から静電気を放出させた。次いで金属製受器を、Surface Measurements System Ltd製のDVS Advantage機器内で位置決めした。試料に、2回の逐次的な収着-脱着サイクルを施した。各サイクルは、0%〜95%〜0%までの相対湿度(%RH)で運転した。1回のサイクルは21の工程から構成されるが、0%RHから90%RHまでの間の工程については、10%のRH毎に実施した。各段階で、以下の平衡基準を使用した:dm/dt、5分以上<0.002%であり、各ステージにおける最小および最大時間はそれぞれ10分および360分であった。
形態A一水和物は、2014年4月25日に出願された国際出願番号第PCT/EP2014/058432号に記載の方法に従って調製することができる。なお、前記国際出願では、結晶変態IVと称されている。簡潔に述べると、形態Aは、100mgのエロビキシバットの乾燥固体材料を2mLのエタノールと、密閉容器中で1週間混合することによって調製可能である。次いで、固形物を単離し、エタノールが乾燥するまで高温で真空中、乾燥させる。最後に、前記固体は、高度に結晶質の形態A一水和物が形成されるまで、常温で湿った空気に晒される。
102mgのエロビキシバット形態A一水和物を、60℃で10mL試験管中、0.5mLのメチルイソブチルケトン(MIBK)に溶解した。次いで、N-ヘプタンを0.1mL分量で2時間かけて添加した。0.6mLのn-ヘプタンを添加した時点で、沈殿が生じた。次いで、濃い白色スラリーが形成されるまで、容器を4日間撹拌した。容器を21〜22℃に冷却し、次いでスラリーのサンプルをパスツールピペットで取り出し、カットシリコン型ゼロバックグラウンドホルダ(ZBH)に試料採取した。湿ったサンプルをXRPDで分析したところ、形態G MIBK溶媒和物からなることが示された(図8)。
441mgのエロビキシバット形態A一水和物、0.6mLの酢酸エチルおよび0.6mLのn-ヘプタンを10mL試験管に添加した。磁気撹拌子を加え、容器を閉じ、次いで62℃で2日間撹拌した。このスラリーを熱(60℃)多孔質アルミナXRPD基質にサンプリングし、XRPDで分析したところ、形態H酢酸エチル溶媒和物からなることが示された(図9)。
111mgのエロビキシバット形態A一水和物を10mL試験管に秤量した。磁気撹拌フリアおよび2.0mLのアセトン:水50:50%v/v混合物を添加した。試験管を閉じて21〜22℃で磁気撹拌する前に、手動撹拌し、数分間、激しく振盪したところ、ゲル状物質を生じた。2日後、白色スラリーの試料をパスツールピペットで取り出し、カットシリコン型ゼロバックグラウンドホルダ(ZBH)に試料採取した。湿った試料をXRPDで分析したところ、形態E二水和物からなることが示された(図7)。
95mgのエロビキシバット形態A一水和物を10mL試験管に秤量した。磁気撹拌フリアと2.0mLの酢酸エチルを加えた。これによりスラリーが生成し、これを21〜22℃で磁気撹拌した。2日後、白色スラリーの試料をパスツールピペットで取り出し、カットシリコン型ゼロバックグラウンドホルダ(ZBH)に試料採取した。湿った試料をXRPDで分析したところ、形態D溶媒和物からなることが示された(図12)。XRPD試料を21〜22℃および30%相対湿度で3日間保存し、次いでXRPDで再分析したところ、形態C無水物を含有するものであった(図4)。
99mgのエロビキシバット形態A一水和物を10mL試験管に秤量した。磁気撹拌フリアおよびアセトニトリル2.0mLを添加した。固体は溶解したが、再び急速に沈殿し、スラリーを形成した。試験管を封じ、21〜22℃で磁気撹拌した。2日後、白色スラリーの試料をパスツールピペットで取り出し、カットシリコン型ゼロバックグラウンドホルダ(ZBH)に試料採取した。湿った試料をXRPDで分析したところ、形態Mアセトニトリル溶媒和物からなることが示された(図13)。
形態L無水物の平坦な試料を、その上から水滴を加えることによって湿らせた。固体の疎水性のために、水滴は固体に非常にゆっくりと取りこまれた。水が試料に取り込まれたとき、XRPDで分析したところ、形態N二水和物からなるものであった(図6)。
30mgのエロビキシバットを1.0mLの試験管に秤量した。磁気撹拌フリアおよび0.5mLの2-プロパノール:水の50:50%v/v混合物を添加した。試験管を閉じ、5℃で磁気撹拌した。1週間後、白色スラリーの試料をパスツールピペットで採取し、多孔性コランダム試料ホルダーに試料採取した。湿った試料をXRPDで分析したところ、形態N二水和物のそれと一致した。
本願に記載されているエロビキシバットの固体状態挙動の概要は、図15に示される。
Claims (12)
- 6.1±0.2及び5.9±0.2の°2θ位置にピークを有する、CuKα1線によって得たXRPDパターンを有する、エロビキシバットの結晶性無水物。
- 12.4±0.2及び5.8±0.2の°2θ位置にピークを有する、CuKα1線によって得たXRPDパターンを有する、エロビキシバットの結晶性無水物。
- 6.4±0.2及び12.7±0.2の°2θ位置にピークを有する、CuKα1線によって得たXRPDパターンを有する、エロビキシバットの結晶性無水物。
- 6.1±0.2及び12.0±0.4の°2θ位置にピークを有する、CuKα1線によって得たXRPDパターンを有する、エロビキシバットの結晶性二水和物。
- 6.1±0.2、8.0±0.2、及び12.0±0.2の°2θ位置にピークを有する、CuKα1線によって得たXRPDパターンを有する、エロビキシバットの結晶性二水和物。
- 6.1±0.2、12.1±0.2、及び20.9±0.2の°2θ位置にピークを有する、CuKα1線によって得たXRPDパターンを有する、エロビキシバットの結晶性二水和物。
- 治療用の請求項1から6のいずれか一項に記載のエロビキシバットの結晶性無水物または結晶性二水和物。
- 医薬として許容される希釈剤又は担体とともに、請求項1から6のいずれか一項に記載のエロビキシバットの結晶性無水物または結晶性二水和物を含む、医薬組成物。
- 結晶性無水物または結晶性二水和物の化学的純度が>99%である、請求項8に記載の医薬組成物。
- 高コレステロール血症、脂質異常症、代謝症候群、肥満、脂肪酸代謝の障害、グルコース利用率障害、インスリン抵抗性が関与する障害、1型糖尿病及び2型糖尿病、肝臓疾患、IBAT阻害剤化合物を含む治療中の下痢、慢性便秘を含めた便秘、例えば、慢性便秘及び便秘型過敏性腸症候群(IBS-C)を含めた機能的便秘からなる群より選択される疾患の処置又は予防のための、請求項1から6のいずれか一項に記載のエロビキシバットの結晶性無水物または結晶性二水和物。
- 肝実質、肝臓の先天性代謝異常、バイラー症候群、脳腱黄色腫瘍症等の胆汁酸(BA)合成に関する一次性欠損症、ツェルウェガー症候群等の二次性欠損症、新生児肝炎、嚢胞性線維症(肝臓における発現)、ALGS(アラジール症候群)、進行性家族性肝内胆汁うっ滞(PFIC)、自己免疫性肝炎、原発性胆汁性肝硬変(PBC)、肝線維症、非アルコール性脂肪肝疾患、NAFLD/NASH、門脈圧亢進症、薬物に起因した黄疸又は妊娠中の黄疸等の一般的な胆汁うっ滞、遺伝型の胆汁うっ滞、例えばPFIC1等の肝内胆汁うっ滞及び肝外胆汁うっ滞、原発性硬化性胆管炎(PSC)、胆石及び総胆管結石症、胆管系の閉塞を引き起こす悪性腫瘍、胆汁うっ滞/黄疸に起因した症状(擦過傷、そう痒症)、膵炎、進行性胆汁うっ滞に帰結する慢性自己免疫性肝臓疾患、胆汁うっ滞性肝臓疾患に関するそう痒症、並びに、高脂質症の疾患に付随する疾患状態からなる群より選択される疾患の処置又は予防のための、請求項1から6のいずれか一項に記載のエロビキシバットの結晶性無水物または結晶性二水和物。
- 肝臓障害及び肝臓障害に関連した疾患、脂肪肝、肝脂肪症、非アルコール性脂肪性肝炎(NASH)、アルコール性肝炎、急性脂肪肝、妊娠による脂肪肝、薬物によって誘導される肝炎、鉄過剰症障害、肝線維症、肝硬変、肝癌、ウイルス性肝炎、並びに、肝臓、胆道及び膵臓の腫瘍及び新生物に関連した問題からなる群より選択される疾患の処置又は予防のための、請求項1から6のいずれか一項に記載のエロビキシバットの結晶性無水物または結晶性二水和物。
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EP3209649A1 (en) | 2017-08-30 |
US20170240516A1 (en) | 2017-08-24 |
KR102498539B1 (ko) | 2023-02-09 |
CA2959760C (en) | 2023-10-10 |
CN107001301A (zh) | 2017-08-01 |
WO2016062848A1 (en) | 2016-04-28 |
EP3012252A1 (en) | 2016-04-27 |
EP3209649B1 (en) | 2021-04-21 |
AU2015334883A1 (en) | 2017-03-23 |
EP3904344A1 (en) | 2021-11-03 |
CN112375044A (zh) | 2021-02-19 |
KR20170072908A (ko) | 2017-06-27 |
RU2017114109A3 (ja) | 2019-04-30 |
RU2017114109A (ru) | 2018-11-26 |
CA2959760A1 (en) | 2016-04-28 |
US10183920B2 (en) | 2019-01-22 |
JP2017537061A (ja) | 2017-12-14 |
US20190177286A1 (en) | 2019-06-13 |
AU2015334883B2 (en) | 2019-10-24 |
US10519120B2 (en) | 2019-12-31 |
ES2874573T3 (es) | 2021-11-05 |
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