JP2020528931A - 薬物送達組成物 - Google Patents
薬物送達組成物 Download PDFInfo
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- JP2020528931A JP2020528931A JP2020526681A JP2020526681A JP2020528931A JP 2020528931 A JP2020528931 A JP 2020528931A JP 2020526681 A JP2020526681 A JP 2020526681A JP 2020526681 A JP2020526681 A JP 2020526681A JP 2020528931 A JP2020528931 A JP 2020528931A
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- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
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- POTUGHMKJGOKRI-UHFFFAOYSA-N ficin Chemical compound FI=CI=N POTUGHMKJGOKRI-UHFFFAOYSA-N 0.000 description 1
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- OXCMYAYHXIHQOA-UHFFFAOYSA-N potassium;[2-butyl-5-chloro-3-[[4-[2-(1,2,4-triaza-3-azanidacyclopenta-1,4-dien-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methanol Chemical compound [K+].CCCCC1=NC(Cl)=C(CO)N1CC1=CC=C(C=2C(=CC=CC=2)C2=N[N-]N=N2)C=C1 OXCMYAYHXIHQOA-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
本開示は、以下の定義を参照することにより最もよく理解されるだろう。
本発明は、ポリマー材料で作られた薬物送達組成物に関する。より具体的には、ポリマー材料は、組成物の目的(例えば医療デバイスの性質)に応じて、所望の形態へ成形されるポリマーベースマトリックスから構成される。例えば、このような組成物から得られるデバイスは、縫合線維、ステント、補綴、パッチ、スクリューまたは骨プレート、子宮内デバイス、スキャホールド、インプラント、ポンプなどとして成形される。
本発明によれば、薬物送達組成物は、ポリマーベースマトリックスの少なくとも1つのポリマーを分解できる少なくとも1つのポリマー分解酵素を含有する。ポリマー分解酵素の組込みは、ポリマーベースマトリックスの分解性を増加させることを可能にし、これにより薬物の放出が改善される。
本発明によれば、薬物は、生物学的標的に作用するように選択される。本発明に関連して、「生物学的標的」は、薬物により直接的または間接的に影響を受け得るあらゆる生命体を指す。生物学的標的は、哺乳類のような動物の全身、臓器、組織、特定の細胞などまたは鳥類、微生物、ウイルスなどであり得る。
本発明の目的は、薬物送達組成物中に組み込まれる薬物を、好ましくは制御した速度で、放出することを可能にする新規の薬物送達組成物を提供することである。
・51〜99.98重量%のポリマーベースマトリックス、
・0.01〜49重量%の薬物、および
・0.01〜30重量%のポリマー分解酵素
を含む。
・50〜99.98重量%のポリマーベースマトリックス、
・0.01〜49.99重量%の薬物、および
・0.01〜30重量%のポリマー分解酵素
を含む。
・60〜99.98重量%のポリマーベースマトリックス、
・0.01〜39.99重量%の薬物、および
・0.01〜20重量%のポリマー分解酵素
を含む。
・60〜99.98重量%のポリマーベースマトリックス、
・0.01〜39重量%の薬物、および
・0.01〜20重量%のポリマー分解酵素
を含む。
本発明はまた、ポリマーベースマトリックス、薬物およびポリマー分解酵素を含む薬物送達組成物の製造方法であって、該方法が、ポリマーが部分的または完全に溶融状態である温度Tにてポリマーの熱処理中に、該薬物および該酵素をポリマーベースマトリックス中へ組み込むことを含む、方法に関する。好ましくは、薬物および酵素は、50℃〜200℃、好ましくは60℃〜180℃、より好ましくは70℃〜160℃の温度Tにて組み込まれる。温度Tは、薬物送達組成物のポリマーおよび/または薬物および/または酵素に応じて、当業者により調整され得る。
示差屈折率検出器Shodex RI-101 Analyticalを備えたUltimate 3000 HPLCシステム(Thermofisher Scientific)、およびPhenomenex RFQ-Fast Acid H+ (8%)、7.8×100mm、8μmカラムを用いた。カラム温度を60℃に制御した。移動相はH2SO4 5mmであり、流速は0.75mL/分であった。乳酸(LA)粉末を正確に秤量し、水に溶解させ、10g/L溶液を得た。水で連続希釈を行い、0.5〜5g/LのLA濃度を得た。上記の調製した標準溶液を、試料と同条件で注入した(20μL)。乳酸濃度のピーク面積を計算した。ピーク面積にLA濃度を回帰させて、ポリマーから放出されたLAの量を推定するのに用いた。
ダイオードアレイ検出器(DAD-3000(RS))を備えたUltimate 3000 HPLCシステム(Thermofisher Scientific)、およびPhenomenex Kinetex EVO C18、LCカラム100×2.1mm、2.6μm、孔径100Åを用いた。カラム温度を50℃に制御した。移動相は、38%のアセトニトリルおよび62%の20mM K2HPO4緩衝液(pH3、リン酸)の混合物であり、流速は0.75mL/分であった。S-イブプロフェン粉末を正確に秤量し、移動相に溶解させ、400μg/mL溶液を得た。移動相で連続希釈を行い、23〜400μg/mLの濃度を得た。上記の調製した標準溶液を、試料と同条件で注入した(20μL)。イブプロフェン濃度のピーク面積を計算した。ピーク面積にイブプロフェン濃度を回帰させて、ポリマー組成物から放出されたイブプロフェンの量を推定するのに用いた。放出されたイブプロフェンのHPLCピークは、押出していないイブプロフェンと同じであり、これは、イブプロフェンが押出中に分解していないことを示す。
ダイオードアレイ検出器(DAD-3000(RS))を備えたUltimate 3000 HPLCシステム(Thermofisher Scientific)、およびPhenomenex Kinetex EVO C18、LCカラム100×2.1mm、2.6μm、孔径100Åを用いた。カラム温度を30℃に制御した。移動相は、20mM炭酸水素アンモニウムpH9/アセトニトリル(5分間で95/5から35/65%)のグラジェントであり、流速は0.75mL/分であった。ナルトレキソン塩酸塩粉末を正確に秤量し、水に溶解させ、450μg/mL溶液を得た。水で連続希釈を行い、7〜450μg/mLの濃度を得た。上記の調製した標準溶液を、試料と同条件で注入した。ナルトレキソン濃度のピーク面積を計算した。ピーク面積にナルトレキソン濃度を回帰させて、ポリマーから放出されたナルトレキソンの量を推定するのに用いた。放出されたナルトレキソンのHPLCピークは、押出していないナルトレキソンと同じであり、これは、ナルトレキソンが押出中に分解していないことを示す。
ダイオードアレイ検出器(DAD-3000(RS))を備えたUltimate 3000 HPLCシステム(Thermofisher Scientific)、およびPhenomenex Kinetex EVO C18、LCカラム100×2.1mm、2.6μm、孔径100Åを用いた。カラム温度を30℃に制御した。移動相は、20mM炭酸水素アンモニウムpH9/アセトニトリル(5分間で85/15から35/65%)のグラジェントであり、流速は0.75mL/分であった。エストラジオール粉末を正確に秤量し、80%のアセトニトリルに溶解させ、110μg/mL溶液を得た。水で連続希釈を行い、0.3〜11μg/mLの濃度を得た。上記の調製した標準溶液を、試料と同条件で注入した。エストラジオール濃度のピーク面積を計算した。ピーク面積にエストラジオール濃度を回帰させて、ポリマーから放出されたエストラジオールの量を推定するのに用いた。放出されたエストラジオールのHPLCピークは、押出していないエストラジオールと同じであり、これは、エストラジオールが押出中に分解していないことを示す。
50%のPLGAおよび50%のナルトレキソンを含む組成物を、2.5gのDL-乳酸/グリコール酸コポリマー(PLGAまたはPLA/PGA、Corbion PuracのPURASORB PDLG 5002A、ゴム状プラトーを有する)および2.5gのナルトレキソン塩酸塩粉末(Sigma-Adrich)を混合することにより製造した。その後混合物を、二軸押出機(Thermo Scientific HAAKE Minilab II)を用いて押し出して、ナルトレキソンをPLGAへ組み込んだ。組成物を手動で充填しながら、二軸押出機を80prm、100℃にて用いた。
50%のPCLおよび50%のリゾチームを含む組成物を、2.5gのPCL粉末(PerstorpのCapaTM 6500、溶融温度58〜60℃)および2.5gのリゾチーム粉末(Sigma-Aldrich、変性温度74℃)を混合することにより製造した。その後混合物を、組成物を手動で充填しながら、78℃、80rpmにて二軸押出機(Thermo Scientific HAAKE Minilab II)を用いて押し出した。
50%のPLGAおよび50%のリゾチームを含む組成物を、2.5gのPLGAコポリマー粉末(Corbion PuracのPURASORB PDLG 5002A)および2.5gのリゾチーム粉末(Sigma-Aldrich)を混合することにより製造した。その後混合物を、組成物を手動で充填しながら、100℃、80rpmにて二軸押出機(Thermo Scientific HAAKE Minilab II)を用いて押し出した。
Claims (15)
- ポリマーベースマトリックス中に埋め込まれている薬物およびポリマー分解酵素を含む薬物送達組成物であって、該組成物が、ポリマーが部分的または完全に溶融状態である温度Tにておける熱処理中に、該薬物および該酵素を該ポリマーベースマトリックスに組み込むことにより得られる、組成物。
- 該組成物が、ポリマーベースマトリックス中に埋め込まれている薬物およびポリマー分解酵素を含み、該組成物が、
・50〜99.98重量%のポリマーベースマトリックス、
・0.01〜49.99重量%の薬物、および
・0.01〜30重量%のポリマー分解酵素
を含む、請求項1に記載の薬物送達組成物。 - ポリマー分解酵素が、ポリマーベースマトリックスの少なくとも1つのポリマーを分解できる、請求項1〜2のいずれか一項に記載の組成物。
- ポリマー分解酵素が、プロテアーゼ、エステラーゼ、クチナーゼまたはリパーゼより選択される、請求項1〜3のいずれか一項に記載の組成物。
- ポリマーベースマトリックスが、ポリ乳酸(PLA)、ポリブチレンアジペートテレフタレート(PBAT)、ポリヒドロキシアルカン酸(PHA)、ポリグリコール酸(PGA)、ポリブチレンサクシネート(PBS)、ポリカプロラクトン(PCL)、ポリ(エチレンアジペート)(PEA)、デキストラン、ゼラチン、ポリブチレンサクシネートアジペート(PBSA)、ポリジオキサノン(PDS)、ポリエチレングリコール(PEG)、ポリエチレンオキシド(PEO)またはコポリマー、およびそのブレンド/混合物より選択される少なくとも1つのポリマー、好ましくはPLA、より好ましくはPLLAおよび/またはPDLAを含有する、請求項1〜4のいずれか一項に記載の組成物。
- ポリマーベースマトリックスが、好ましくはPLAベースのヘテロポリマーより選択され、より好ましくは乳酸-グリコール酸コポリマー(PLA-co-PGA)、乳酸-カプロラクトンコポリマー(PLA-co-PCL)、乳酸-エチレングリコールコポリマー(PLA-co-PEG)、乳酸-エチレンオキシドコポリマー(PLA-co-PEO)またはグラフトPLA(PLA-g-ゼラチン)より選択される、乳酸コポリマーを含む、請求項1〜5のいずれか一項に記載の組成物。
- ポリマーベースマトリックスがPCLを含有する、および/またはポリマーベースマトリックスが、PGAを含有する、請求項1〜6のいずれか一項に記載の組成物。
- 薬物が、化学物質、医薬化合物、栄養補助化合物、アミノ酸、ペプチド、タンパク質、多糖、脂質誘導体、抗生物質、鎮痛薬、ワクチン、ワクチンアジュバント、抗炎症薬、抗腫瘍薬、ホルモン、サイトカイン、抗真菌薬、抗ウイルス薬、抗菌薬、抗糖尿病薬、ステロイド、ビタミン、プロビタミン、抗酸化薬、ミネラル塩、微量元素、特定酵素阻害薬、成長刺激薬、免疫抑制薬、免疫調節薬、抗高血圧薬、抗不整脈薬、強心薬、嗜癖療法薬、抗てんかん薬、抗老化薬、ニューロパシーまたは疼痛の処置のための薬物、脂質低下薬、抗凝固薬、抗体または抗体断片、抗原、抗うつ薬または向精神薬、神経調節薬、脳疾患、肝疾患、肺疾患、心疾患、胃疾患、腸疾患、卵巣疾患、精巣疾患、泌尿器疾患、性器疾患、骨疾患、筋肉疾患、子宮内膜疾患、膵疾患および/または腎疾患より選択される疾患の処置のための薬物、眼科薬物、抗アレルギー薬、避妊薬または黄体形成薬、酵素、漢方薬、栄養素、化粧品およびこれら薬物の少なくとも2つの混合物より選択される、請求1〜7項のいずれか一項に記載の組成物。
- 組成物が、医薬組成物であり、好ましくは錠剤、ゲル、コーティング、粒子およびマイクロビーズより選択される、請求項1〜8のいずれか一項に記載の組成物。
- 請求項1〜9のいずれか一項に記載の薬物送達組成物から得られる薬物送達デバイス。
- デバイスが、医療デバイスであり、好ましくはインプラント、フィルム、ステント、リーフレット、バルブ、コイル、スキャホールド、ドレッシング、ロッド、パッチ、線維、縫合線維、スクリュー、骨プレートまたはインプラント、骨セメントおよび補綴より選択される、請求項10に記載の薬物送達デバイス。
- ポリマーベースマトリックス、薬物およびポリマー分解酵素を含む薬物送達組成物の製造方法であって、該方法が、ポリマーが部分的または完全に溶融状態である温度Tにてポリマーの熱処理中に、該薬物および該酵素を該ポリマーベースマトリックス中へ組み込むことを含む、方法。
- 薬物および酵素が、50℃〜200℃、好ましくは60℃〜180℃、より好ましくは70℃〜160℃の温度Tにて組み込まれる、請求項12に記載の方法。
- 熱処理が、押出、内部混合、共混練、射出成形、熱成形、回転成形、圧縮、カレンダー加工、しごき加工、コーティング、成層、伸長、引抜成形、押出吹込成形、押出膨張、圧縮造粒および3D印刷、好ましくは押出および3D印刷より選択される、請求項12または13に記載の方法。
- 請求項12〜14のいずれか一項に記載の方法により得ることが可能である、医療薬物送達デバイス。
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