JP2012530062A - 規定された含量の異性体を有するジケトピペラジン微粒子 - Google Patents
規定された含量の異性体を有するジケトピペラジン微粒子 Download PDFInfo
- Publication number
- JP2012530062A JP2012530062A JP2012515175A JP2012515175A JP2012530062A JP 2012530062 A JP2012530062 A JP 2012530062A JP 2012515175 A JP2012515175 A JP 2012515175A JP 2012515175 A JP2012515175 A JP 2012515175A JP 2012530062 A JP2012530062 A JP 2012530062A
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- Prior art keywords
- fdkp
- trans isomer
- microparticles
- isomer content
- diketopiperazine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 title description 3
- 229940094417 fumaryl diketopiperazine Drugs 0.000 claims abstract description 130
- BBNKIRVUCQNAQR-FETIZUMASA-N (e)-4-[4-[(2s,5s)-5-[4-[[(e)-3-carboxyprop-2-enoyl]amino]butyl]-3,6-dioxopiperazin-2-yl]butylamino]-4-oxobut-2-enoic acid Chemical compound OC(=O)\C=C\C(=O)NCCCC[C@@H]1NC(=O)[C@H](CCCCNC(=O)\C=C\C(O)=O)NC1=O BBNKIRVUCQNAQR-FETIZUMASA-N 0.000 claims abstract description 128
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Abstract
【選択図】なし
Description
I.トランス異性体含量とRF/fillとの間の関係
FDKPのトランス異性体の測定
カラム:Phenomenex LUNA Phenyl−Hexyl
粒子サイズ:3mm
カラム長:15cm
カラム内径:3.0mm
移動相A:水/トリフルオロ酢酸、1000:1(v:v)
移動相B:メタノール/テトラヒドロフラン/トリフルオロ酢酸、900:100:1(v:v:v)
注入量:20μL
流速:0.3mL/分
ランタイム:90分間
カラム温度:30±3℃
サンプル温度:8±3℃
検出器:UV254nm
容積メジアン幾何学径(VMGD)特性による放出された製剤の幾何学的粒子サイズ分析
本出願は、米国仮特許出願61/186,779(出願日2009年6月12日)に基づき、35USC§119(e)に基づく優先権主張の利益を有する。これらの出願各々の全体の内容は、本明細書に参照により取り込まれる。
Claims (30)
- 約45%から約65%の含量のトランス異性体を含有する、フマリルジケトピペラジン(FDKP)組成物。
- 前記トランス異性体の含量は、約50%から約65%である、
ことを特徴とする請求項1に記載のFDKP組成物。 - 前記トランス異性体の含量は、約53%から約63%である、
ことを特徴とする請求項1に記載のFDKP組成物。 - 請求項1に記載のFDKP組成物を含有する、フマリルジケトピペラジン(FDKP)微粒子。
- 前記トランス異性体の含量は、約50%から約65%である、
ことを特徴とする請求項4に記載のFDKP微粒子。 - 前記トランス異性体の含量は、約53%から約63%である、
ことを特徴とする請求項4に記載のFDKP微粒子。 - さらに薬物又は活性剤を含有する、請求項4に記載のFDKP微粒子。
- 前記薬物又は活性剤は、ペプチド又はタンパク質である、
ことを特徴とする請求項7に記載のFDKP微粒子。 - 前記ペプチドは、内分泌ホルモンである、
ことを特徴とする請求項8に記載のFDKP微粒子。 - 前記内分泌ホルモンは、インスリン、副甲状腺ホルモン、カルシトニン、グルカゴン、グルカゴン様ペプチド−1、オキシントモジュリン、前記内分泌ホルモンの類似体又は活性フラグメントである、
ことを特徴とする請求項9に記載のFDKP微粒子。 - 薬物は、微粒子の0.01wt%よりも多い量で存在する、
ことを特徴とする請求項4に記載のFDKP微粒子。 - 請求項4に記載のFDKP微粒子を含有する、乾燥粉末。
- 請求項7に記載のFDKP微粒子を含有する、乾燥粉末。
- 内分泌関連疾患又は不調を治療する方法であって、
約45%から約65%の含量のFDKPトランス異性体及び前記疾患又は不調を治療するのに適した内分泌ホルモンを含有するフマリルジケトピペラジン(FDKP)微粒子を含有する乾燥粉末製剤を、必要に応じてヒトに投与することを含む方法。 - 内分泌ホルモンは、インスリン、副甲状腺ホルモン、カルシトニン、グルカゴン、グルカゴン様ペプチド−1、オキシントモジュリン、前記内分泌ホルモンの類似体である、
ことを特徴とする請求項14に記載の方法。 - 内分泌関連疾患は、糖尿病である、
ことを特徴とする請求項14に記載の方法。 - a)約45%から約65%の含量のFDKPトランス異性体を有するFDKP化合物を合成することと、
b)FDKP溶液を形成するように、塩基性pHを有する溶液にFDKP化合物を溶解することと、
c)揮発性酸の溶液を供給することと、
d)懸濁液において前記微粒子を作るように、高せん断ミキサーで溶液をともに混合することと、
を含む、乾燥粉末としての肺投与に適した微粒子を製造する方法。 - さらにFDKPのトランス異性体含量を決定することを含む、請求項17に記載の方法。
- FDKPのトランス異性体含量を決定する工程は、高速液体クロマトグラフィーを用いて行われる、
ことを特徴とする請求項18に記載の方法。 - さらに薬物を含有する溶液と前記微粒子とを混合することを含む、請求項17に記載の方法。
- 薬物は、内分泌ホルモンである、
ことを特徴とする請求項17に記載の方法。 - 薬物は、インスリン、副甲状腺ホルモン、カルシトニン、グルカゴン、グルカゴン様ペプチド−1、オキシントモジュリン、又は前記薬物の類似体である、
ことを特徴とする請求項21に記載の方法。 - a)塩基性のpHで水と水混和性溶媒との混合物においてジケトピペラジンのエステルをけん化することと、
b)約0.4から約0.7の範囲の比率でトリフルオロ酢酸及び氷酢酸を含有する反応混合物において前記ジケトピペラジンを再結晶化することと、
を含む、約45%から約65%の含量のトランス異性体を有するジケトピペラジンを合成する方法。 - 水混和性溶媒は、アルコール、テトラヒドロフラン、ジオキサン、及びアセトニトリルである、
ことを特徴とする請求項23に記載の方法。 - アルコールは、メタノール、エタノール、又はイソプロパノールである、
ことを特徴とする請求項24に記載の方法。 - メタノールの水:メタノール比は、1:1から約3:1の範囲である、
ことを特徴とする請求項25に記載の方法。 - さらにジケトピペラジンのトランス異性体含量を決定することを含む、請求項23に記載の方法。
- ジケトピペラジンは、式2,5−ジケト−3,6−ビス(N−X−4−アミノブチル)ピペラジンであり、
Xは、フマリル、スクシニル、マレイル、及びグルタリルからなる群より選択される、
ことを特徴とする請求項23に記載の方法。 - ジケトピペラジンは、2,5−ジケト−3,6−ビス(N−フマリル−4−アミノブチル)ピペラジンである、
ことを特徴とする請求項23に記載の方法。 - 再結晶化工程における反応混合物は、約4時間又は4時間以上の期間維持される、
ことを特徴とする請求項23に記載の方法。
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