JP4684991B2 - 薬物添加ナノカプセルを用いる局所的薬物デリバリー - Google Patents
薬物添加ナノカプセルを用いる局所的薬物デリバリー Download PDFInfo
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Description
ピジル、リプロスチン、ダクチノマイシン、レステンーNG、Ap−17、アブシキシマブ、クロピドグレル及びリドグレルのような抗再狭窄薬は典型的薬物グループの一つである。
与えた後、非結合粒子をもし必要なら装置撤去以前に区画から除去でき(例えば真空により)、その結果薬物の全身作用を制限する。
等、“中空高分子電解質カプセル中への染料の制御沈降"("Controlled Precipitation of Dyes into Hollow Polyelectrolyte Capsules")、アドバンスドマテリアル(Advanced Materials)、12巻、2号、112−115頁(2000年)に見られ、これら開示は文献としてここに含む。
000nmの範囲である。
ーの様な血管細胞成長プロモーター、(g)成長因子阻害剤、成長因子受容体拮抗剤、転写リプレッサー、翻訳リプレッサー、複製阻害剤、阻害抗体、成長因子に拮抗する抗体、内皮前駆細胞上受容体を認知する抗体、CD9ベータ―1及びベーター3インテグリンの様なテトラスパニン群タンパク質、CD63、CD81、FcガンマRII、成長因子及び細胞毒素からなる二官能性分子、抗体と細胞毒素からなる二官能性分子の様な血管細胞成長阻害剤、(h)タンパク質キナーゼ及びチロシンキナーゼ阻害剤(例えばチロホスチン、ゲニステイン、キノキサリン)、(i)プロスタサイクリン類似体、(j)コレステロール低下剤、(k)アンジオポエチン、(l)トリクロサン、セファロスポリン、アミノ配糖体及びニトロフラントインの様な抗菌剤、(m)細胞毒性薬、細胞分裂停止剤及び細胞増殖影響因子、(n)血管拡張薬、(o)内因性血管作動機構の妨害剤、(p)モノクロナール抗体の様な白血球補填阻害剤、(q)サイトカイン及び(r)ホルモンを含む。好ましい非遺伝子治療薬としてはパクリタキセル、シロリムス、エベロリムス、タクロリムス、デキサメタゾン、ハロフジノン、クラドリビン、エストラジオール、ABT―578(アボットラボラトリ(Abbott Laboratories))、トラピジル、リプロスチン、ダクチノマイシン、レステンーNG、Ap−17、アブシキシマブ、クロピドグレル及びリドグレルがある。
ウイルス、アデノ関連ウイルス、レトロウイルス、アルファウイルス(セムリキ森林ウイルス、シンドビスウイルス等)、レンチウイルス、単純疱疹ウイルス、複製コンピテントウイルス(例えばONYX―015)及び混成ベクターの様なウイルスベクター、人造染色体及びミニ染色体のような非ウイルスベクター、プラスミドDNAベクター(例えばpCOR)、カチオンポリマー(例えばポリエチレンイミン(PEI))グラフト共重合体(例えばポリエーテル−PEI及びポリエチレンオキサイドーPEI)、中性ポリマーのPVP、SP1017(スプラテック(SUPRATEK))、陽イオン脂質の様な脂質、リポソーム、リポプレックス複合体、タンパク質形質導入ドメイン(PTD)のような目標配列付き及び無しのナノ粒子又はミクロ粒子がある。
O−ニトロソ化合物、N−ニトロソ化合物及びL−アルギニンを含む一酸化窒素供与体/放出分子、(g)シラザプリル、フォシノプリル及びエナラプリルの様なACE阻害剤、(h)サララシン及びロサルチンの様なATII受容体拮抗薬、(i)アルブミン及びポリエチレンオキサイドの様な血小板接着阻害剤、(j)アスピリン及びチエノピリジン(チクロピジン、クロピドグレル)を含む血小板凝集阻害剤及びアブシキシマブ、エプチフィバチド及びチロフィバンの様なGPIIb/IIIa阻害剤、(k)ヘパリン、低分子量ヘパリン、硫酸デキストラン及びβ―シクロデキストリンテトラデカサルフェートの様なヘパリノイド、ヒルジン、ヒルログ、ピーパック(D−フェニルアラニン―L―プロリン―L−アルギニンクロロメチルケトン)及びアルガトロバンの様なトロンビン阻害剤、アンチスタチン及びTAP(ティック抗凝集ペプチド)の様なFXa阻害剤、ワルファリンの様なビタミンK阻害剤、更には活性化タンパク質Cを含む凝集経路修飾因子、(l)アスピリン、イブプロフェン、フルルビプロフェン、インドメタシン及びスルフィンピラゾンの様なシクロオキシゲナーゼ経路阻害剤、(m)デキサメタゾン、プレドニゾロン、メトプレドニゾロン及びヒドロコーチゾンの様な天然及び合成副腎皮質ステロイド、(n)ノルジヒドログアヤレト酸及びコーヒー酸の様なリポキシゲナーゼ経路阻害剤、(o)ロイコトリエン受容体拮抗薬、(p)E−及びP−セレクチンの拮抗薬、(q)VCAM−1及びICAM−1相互作用阻害剤、(r)PGE1及びPGI2の様なプロスタグランジンを含むプロスタグランジン及びその類似体及びシプロステン、エポステノール、カルバサイクリン、イロプロスト及びベラプロストの様なプロスタサイクリン類似体、(s)ビスホスホネートを含むマクロファージ活性化防止剤、(t)ロバスタチン、プラバスタチン、フルバスタチン、シムバスタチン及びセリバスタチンの様なHMG―CoA還元酵素阻害剤、(u)魚油及びオメガ−3―脂肪酸、(v)プロブコール、ビタミンC及びE、エブセレン、トランスレチノイン酸及びSOD擬態物の様な遊離基捕捉剤/抗酸化剤、(w)bFGF抗体及びキメラ融合タンパク質の様なFGF経路薬、トラピジルの様なPDGF受容体拮抗薬、アンギオペプチン及びオクレオチドの様なソマトスタチン類似体を含むIGF経路薬、ポリアニオン系試薬(ヘパリン、フコイダン)、デコリン及びTGF−β抗体の様なTGF−β経路薬、EGF抗体の様なEGF経路薬、受容体拮抗薬及びキメラ融合タンパク質、サリドマイド及びその類似体の様なTNF−α経路薬、スロトロバン、バピプロスト、ダゾキシベン及びリドグレルの様なトロンボキサンA2(TAX2)経路修飾因子、更にはチロホスチン、ゲニステイン及びキノザリン誘導体の様なタンパク質チロシンキナーゼ阻害剤の様な種々の成長因子に影響する試薬、(x)マリマスタット、アイロマスタット及びメタスタットの様なMMP経路阻害剤、(y)サイトカラシンBの様な細胞運動阻害剤、(z)プリン類似体(6−メルカプトプリン又は塩素化プリンヌクレオチド類似体であるクラドリビン)、ピリミジン類似体(例えばシタラビン及び5−フルオロウラシル)及びメトトレキサートの様な代謝拮抗剤、ナイトロジェンマスタード、アルキルスルホン酸、エチレンイミン、抗生物質(例えばダウノルビシン、ドキソルビシン)、ニトロソ尿素、シスプラチン、微少管運動に影響する薬剤(例えばビンブラスチン、ビンクリスチン、コルヒチン、パクリタキセル及びエポチロン)、カスパーゼ活性体、プロテアソーム阻害剤、血管形成阻害剤(例えばエンドスタチン、アンギオスタチン及びスクアラミン)、ラパマイシン、セリバスタチン、フラボピリドール及びスラミンを含む抗増殖/抗悪性腫瘍薬、(aa)ハロフジノン、他のキナゾリノン誘導体及びトラニラストの様な基質沈着/組織化経路阻害剤、(bb)VEGF及びRGDペプチドの様な内皮化促進剤及び(cc)ペントキシフィリンの様な血液レオロジー修飾因子。
び細胞内接着分子(ICAMS)及び血管接着分子(VCAMS)を含む接着分子を含む多種多様な細胞外基質成分及び細胞表面受容体を認識する。細胞表面受容体のインテグリン群メンバーはほぼ全ての哺乳類細胞上で発現し細胞の相互及び細胞外基質接着を調節する。
表面機能化は配位子に限られない。例えば異なる機能化表面物性を持つナノカプセルを混合できるし、或いは表面に複数の表面配位子/受容体/等を持つナノカプセルを供与できる。更に種々の表面作動装置/引き金/受容体を結合、組織への移行及び/又は血小板受容体の遮断を強めるためにナノカプセル上に配置できる。
親水性高分子材料である。ヒドロゲルは埋め込みか挿入可能な医療装置用塗布剤又は装置自身内部の構築材として開示され、例えばボストンサイエンティフィック社(Boston Scientific Corporation)又はサイメドライフシステム社(SciMed Life Systems, Inc)に譲渡された米国特許6,316,522、6,261,630、6,184,266、6,176,849、6,096,108、6,060,534、5,702,754、5,693,034及び5,304,121があり、それら各々を全て文献としてここに含む。前述の典型的米国特許に記載の物の様なのようなヒドロゲルは合成又は天然存在の材料又はそれらの混合物を基にしており、生分解性又は実質的に非生分解性でも良く、且つヒドロゲルを希望目的により適合する様に多くの方法で改良又は誘導化できる。例えばヒドロゲルは例えば高分子構造と共有結合した官能基と反応する多官能性架橋剤で化学的に架橋して改良できる。ヒドロゲルポリマーは又例えば多価金属イオンでイオン的に架橋できる。多くのヒドロゲルポリマーは化学的且つイオン的に架橋できる。ヒドロゲルポリマーの例としてはポリアクリル酸塩、ポリ(アクリル酸)、ポリ(メタアクリル酸)、ポリヒドロキシエチルメタアクリレート、ポリアクリルアミド、ポリ(N−アルキルアクリルアミド)、ポリアルキレンオキサイド、ポリ(エチレンオキサイド)、ポリ(プロピレンオキサイド)、ポリ(ビニルアルコール)、ポリビニル芳香族、ポリ(ビニルピロリドン)、ポリ(エチレンイミン)、ポリエチレンアミン、ポリアクリロニトリル、ポリエステル、ポリビニルスルホン酸、ポリアミド、ポリ(L−リシン)、親水性ポリウレタン、無水マレイン酸ポリマー、タンパク質、線維素、コラーゲン、セルロース系ポリマー、メチルセルロース、カルボキシメチルセルロース、デキストラン、カルボキシメチルデキストラン、改良デキストラン、アルギン酸塩、アルギン酸、ペクチン酸、ヒアルロン酸、キチン、プルラン、エラスチン、ラミニン、アガロース、ゼラチン、ジェラン、キサン、カルボキシメチル澱粉、コンドロイチン硫酸、グアー、澱粉及びそれらの共重合体、混合物及び誘導体を含む。
に放除し(例えば緩衝化溶液内での注射により)、ナノカプセルを隣接管腔壁(例えば血管壁)と結合できる。割り当て時間後、過剰の注射材を例えば吸引又は洗い出し作用によりデリバリー装置を通じて除去できる。本発明のこの様態は例えばナノカプセルの循環系全体への広がりを減少したい場合に有益である。
る。例えば装置はEAP構造にサンドイッチしたり、箔に結合したり、織り構造などにしたシート、細長い片、ワイヤー又は粉末の形で磁石を備える。この特定実施形態では一連の磁性ワイヤー(図示していない)を装置400に織り込む。図示装置400は適当な電圧の印加によりデリバリー中収縮状態を維持する。
Claims (22)
- 患者に埋め込むか又は挿入に適した医療装置であって、該医療装置が磁性又は常磁性領域と該磁性又は常磁性領域に磁性的に引き付けられる複数のナノカプセルとを含み、該ナノカプセルが、(a)治療薬、(b)磁性又は常磁性材、及び(c)高分子電解質多層殻を含む、装置。
- 該医療装置がカテーテル又はガイドワイヤーである請求項1の医療装置。
- 該医療装置がステント、グラフト、大静脈フィルター、ペースメーカー、心臓弁及び静脈弁から選んだインプラントである請求項1の医療装置。
- 該医療装置が磁性領域を含む請求項1の医療装置。
- 該磁性領域が強磁性領域である請求項4の医療装置。
- 該磁性領域が電磁性領域である請求項4の医療装置。
- 該医療装置が複数の異なる磁性領域を含む請求項1の医療装置。
- 該医療装置全体が磁性又は常磁性である請求項1の医療装置。
- 該医療装置が電気活性高分子作動装置を含む請求項1の医療装置。
- 該ナノカプセルが磁性材を含む請求項1の医療装置。
- 該ナノカプセルが常磁性材を含む請求項1の医療装置。
- 該医療装置が磁性材領域を含み且つ該ナノカプセルが磁性又は常磁性材を含む請求項1の医療装置。
- 該医療装置が磁性又は常磁性領域を含み且つ該ナノカプセルが磁性材を含む請求項1の医療装置。
- (a)患者に挿入又は埋め込まれるように適合された医療装置であって、該医療装置が磁性又は常磁性領域を含む医療装置と、(b)該医療装置に磁性的に結合される複数のナノカプセルとを含む、薬物デリバリーシステムであって、該複数のナノカプセルが、(i)治療薬、(ii)磁性又は常磁性材、及び(iii)高分子電解質多層殻を含む、システム。
- 該ナノカプセルを患者に挿入又は埋め込み後に医療装置に磁性的に結合することを特徴とする請求項14のシステム。
- 該ナノカプセルを磁性的に結合後医療装置から放除することを特徴とする請求項15のシステム。
- 該ナノカプセルを患者への挿入又は埋め込み以前に医療装置に磁性的に結合することを特徴とする請求項14のシステム。
- 該ナノカプセルを患者に挿入又は埋め込み後に医療装置から放除することを特徴とする請求項17のシステム。
- 該ナノカプセルの一部を医療装置の埋め込み又は挿入以前に磁性的に除去することを特徴とする請求項17のシステム。
- 一時的に磁界を低下又は除去することにより該ナノカプセルを放除する手段をさらに含む請求項14のシステム。
- 該磁性領域が電磁性領域であり、該一時的磁界が電磁性領域への電流フローを停止することにより減少又は除去される請求項20のシステム。
- 該磁性領域が強磁性領域であり、該一時的磁界が患者に外部磁界を印加することにより減少又は除去され、その結果強磁性領域を消磁する請求項20のシステム。
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| US44395003P | 2003-01-31 | 2003-01-31 | |
| PCT/US2004/002523 WO2004069169A2 (en) | 2003-01-31 | 2004-01-30 | Localized drug delivery using drug-loaded nanocapsules and implantable device coated with the same |
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| Publication Number | Publication Date |
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| JP2006518736A JP2006518736A (ja) | 2006-08-17 |
| JP4684991B2 true JP4684991B2 (ja) | 2011-05-18 |
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| JP2006503146A Expired - Fee Related JP4684991B2 (ja) | 2003-01-31 | 2004-01-30 | 薬物添加ナノカプセルを用いる局所的薬物デリバリー |
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| US (1) | US7767219B2 (ja) |
| EP (1) | EP1610752B1 (ja) |
| JP (1) | JP4684991B2 (ja) |
| WO (1) | WO2004069169A2 (ja) |
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-
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- 2004-01-30 JP JP2006503146A patent/JP4684991B2/ja not_active Expired - Fee Related
- 2004-01-30 EP EP04706932A patent/EP1610752B1/en not_active Expired - Lifetime
- 2004-01-30 US US10/768,388 patent/US7767219B2/en not_active Expired - Fee Related
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| EP1610752B1 (en) | 2013-01-02 |
| US7767219B2 (en) | 2010-08-03 |
| WO2004069169A3 (en) | 2006-03-02 |
| JP2006518736A (ja) | 2006-08-17 |
| US20050129727A1 (en) | 2005-06-16 |
| EP1610752A2 (en) | 2006-01-04 |
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