JP2005536537A - 血餅−標的ナノパーティクル - Google Patents
血餅−標的ナノパーティクル Download PDFInfo
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- JP2005536537A JP2005536537A JP2004529815A JP2004529815A JP2005536537A JP 2005536537 A JP2005536537 A JP 2005536537A JP 2004529815 A JP2004529815 A JP 2004529815A JP 2004529815 A JP2004529815 A JP 2004529815A JP 2005536537 A JP2005536537 A JP 2005536537A
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- fibrin
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- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 1
- JAJLKEVKNDUJBG-UHFFFAOYSA-N perfluorotripropylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)F JAJLKEVKNDUJBG-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002823 phage display Methods 0.000 description 1
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000004032 porphyrins Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000003805 procoagulant Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JKRXAWIOILQNGC-UHFFFAOYSA-N pyrrole-2,5-dione;2-sulfanylacetic acid Chemical compound OC(=O)CS.O=C1NC(=O)C=C1 JKRXAWIOILQNGC-UHFFFAOYSA-N 0.000 description 1
- 239000002287 radioligand Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 208000013220 shortness of breath Diseases 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000009870 specific binding Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- ATGUDZODTABURZ-UHFFFAOYSA-N thiolan-2-ylideneazanium;chloride Chemical compound Cl.N=C1CCCS1 ATGUDZODTABURZ-UHFFFAOYSA-N 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000003966 vascular damage Effects 0.000 description 1
- 208000021331 vascular occlusion disease Diseases 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
Classifications
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- A61K47/6843—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment the modifying agent being an antibody or an immunoglobulin bearing at least one antigen-binding site the antibody targeting a material from animals or humans
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Abstract
Description
mは、0〜3であり;
R1は、非干渉性置換基(non-interfering substituent)であり;
lは、0〜2であり;
Zは、S又はOであり;
R2は、H又はアルキル(1-4C)であり、
nは、0又は1であり;及び
それぞれのR3は、独立して、少なくとも10Cを含む任意に置換した飽和又は不飽和炭化水素基であり、キレート化剤と関連して、少なくとも1種の常磁性金属イオン又は放射性核種と結合したものを含んでもよい。
ペルフルオロオクチルブロマイド(40%w/v、PFOB)、界面活性剤共混合物(2.0%、w/v)、及びグリセリン(1.7%、w/v)及び任意に「油」(2〜10% w/v、PFOBの代わりに用いる)を含むナノパーティクルを調製する。
この実施例において、キレート化リガンド及びターゲティングリガンドは、乳化する前に、ナノパーティクルと結合される。
この実施例では、画像化及びターゲティングするためのリガンドを、乳化後、ナノパーティクルと結合させる。
(エマルジョンの調製):ペルフルオロカーボンナノパーティクル造影剤は、1,2−ジパルミトイル−sn−グリセロ−3−ホスフォエタノールアミン−N−4−(p−マレイミドフェニル)ブチルアミン(1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine-N-4-(p-maleimidophenyl)butyramine;MPB-PE)をエマルジョンの外脂質単層中に組み込むことにより製造した。エマルジョンは、ペルフルオロジクロロオクタン、サフラワー油、界面活性剤共混合物及びグリセリンで構成される。当該界面活性剤共混合物には、レシチン、コレステロール及びクロロホルム中に溶解させたMPB−PEが含有される。クロロホルム−脂質混合物を、減圧蒸発させ、50℃真空乾燥器で一晩乾燥させ、超音波処理により水中へ分散させる。懸濁液を、ペルフルオロジクロロオクタン、サフラワー油及び蒸留、脱イオン水と共にブレンダーカップ(Dynamics Corporation of America)中へ移し、30〜60秒間乳化処理する。予乳化混合物を、微乳化機(microemulsidier)に移し、3分間、10000 PSIで、連続的に処理する。でき上がったエマルジョンを、ガラス瓶に入れ、窒素を充填し、使用するまで圧着密閉栓で密閉する。ネガティブコントロールエマルジョンも、非誘導体化したホスファチジルエタノールアミンが界面活性剤共混合物に代用されることを除いて、同様に調製される。パーティクルの大きさ(径)を、レーザ光散乱微小粒子径分析機を用いて、30℃で3回測定する。
エマルジョンを、実施例4において記載されたように調製するが、脂質混合物には、下記記載されたようなDOTAと結合されているホスフォエタノールアミンが含まれる。混合物中におけるパーティクルに対する結合したDOTAの比は、およそ5000:1以上である。ホスファチジルエタノールアミンをパーティクル表面に組み込んで、ナノパーティクルを含むエマルジョンを与えるが、このナノパーティクルは、そのとき抗フィブリンリガンド及びキレート化剤の両方を含むであろう。キレート剤は、その後、ガドリニウムイオンの溶液と接触されて、完全なエマルジョンが与えられる。
新鮮な全血を取得し、滅菌クエン酸ナトリウムを用いて血液凝固を阻止した(9:1、v/v)。一連の試験では、血漿凝塊(plasma clot)(9)を、ニトロセルロース膜の上に重ねたプラスチック管中で、5単位のトロンビン(Sigma Chemical Company、St Louis、MO)と血漿及び100mM塩化カルシウム(3:1、v/v)を組み合わせて製造した。血漿を、室温でゆっくりと凝固させた。
B(f)2=10log[V(f) 2 組織]/[V(f) 2 ステンレス鋼プレート]
但し、V(f) 2 組織は、細胞からのゲート制御したrf後方散乱の選択周波数でのパワーであり、V(f) 2 ステンレス鋼プレートは、ステンレス鋼プレートからのゲート制御したrf後方散乱の同一周波数でのパワーである。積分後方散乱(integrated backscatter)を、トランスジューサーの有用な帯域幅にわたる周波数依存性後方散乱伝達関数の平均から計算した。
ペルフルオロカーボンナノパーティクル造影剤により、1,2−ジパルミトイル−sn−グリセロ−3−ホスフォエタノールアミン−N−4−(p−マレイミドフェニル)ブチルアミン(1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine-N-4-(p-maleimidophenyl)butylamide;MPB-PE;Avanti Polar Lipids、Alabaster、AL)をエマルジョンの外脂質単層に組み込んで、後のリガンド結合に対処する。Gd−DTPA−ホスファチジルエタノールアミン(Gd−DTPA−PE)を、前記記載したように0又は20モル%で界面活性剤混合物に添加した。
生体内で使用される(循環する)ペルフルオロカーボンナノパーティクル造影剤を、1,2−ジパルミトイル−sn−グリセロ−3−ホスフォエタノールアミン−N−4−(p−マレイミドフェニル)ブチルアミン(1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine-N-4-(p-maleimidophenyl)butylamide;MPB-PE;Avanti Polar Lipids、Alabaster、AL)をエマルジョンの外脂質単層に組み込むことにより製造し、後のリガンド結合20に対処した。Gd−DTPAホスファチジルエタノールアミン(Gd−DTPA−PE)を、前記記載したように20モル%で界面活性剤混合物に添加した。
患者A.C.は、35歳男性であり、胸苦しさ、及び適度な運動をしてもしなくても断続的に生ずる息切れを示す。この患者の父親は、突発性心臓発作で40歳で死亡した。A.C.は医師を訪ね、EKG、心エコー図及びトレッドミルストレステスト(tredmill stress test)を受ける。全て目立ったところはない。この患者の過去の病歴からして、彼の医師は、彼の心臓の非侵襲的なMRI検査を決める。この患者の心臓機能は正常であり、MRI血管造影図は、病巣の狭窄症でない軽い広汎性の冠状動脈疾患を示唆する。
患者B.L.は65歳男性であり、高コレステロール血症、高血圧症で、年30箱の喫煙歴であることがわかっている。B.L.は、ある朝起きて、左足のしびれと脱力感に気づくが、以後2時間にわたって徐々に回復していく。心配になって、B.L.は、標準限度内の簡単な理学的検査を行なう医師を訪ねる。患者は心配したままであり、医師は、高度の血管閉塞の可能性を排除するためにこの患者の左頸動脈の二重超音波診断(duplex ultrasound)検査を指示することに同意する。その検査では、血行力学的に重大な狭窄症は示されない。超音波診断検査について判断がなされる一方で、実施例4において記載される音響反射ナノパーティクルの表面に結合される抗フィブリン抗体の各種領域で構成される、フィブリン標的ナノパーティクルを投与する判断がなされる。10分間にわたり0.5cc/kgの投薬量での静脈内注入により薬剤が投与され、患者は2D及び3D超音波診断法を用いて再検査される。
患者D.S.は40歳男性であり、介入心臓病学(interventional cardiology)の手腕が無い地方の病院で病歴、検査、及びEKGにより診断された急性心筋梗塞の徴候を示す。患者は、自身が約1年前一過性脳虚血発作を患っていたかもしれないこと、及び自身の血圧が現在180/110であることを提言する。患者には、潜在的な脳内出血の危険性を最小限にするため、実施例4におけるものと同様に調製されるフィブリン標的ナノパーティクルであって、その表面上に組換えヒト組織プラスミノゲン活性化因子(recombinant tissue plasminogen activator)を持つフィブリン標的ナノパーティクルが投与される。静脈内注入(点滴)が、10分間にわたって、100mgのrTPA(組換えヒト組織プラスミノゲン活性化因子)を含む0.5cc/kgの投与量で、なされる。患者の胸苦しさは10分間経てば正常に近くなって鎮まり、患者は更なる心臓血管検査のため安定したコンディション(容態)で航空救難(air rescue)により三次医療センターに送られる。
G.氏は、60歳男性であり、健常であったが、この2ヶ月間に庭で働いている間、5分間続く胸の重苦しさを2回経験した。二つの発症は、軽い頭のくらくら及び発汗の増大を伴っていた。患者は、「暑」中で働きすぎたこと及び簡単に日陰で小休止する必要があったことと指摘する。今日、G.氏は、仕事をするため電車に間に合うように走っている間、短時間ではあるが同様の胸苦しさの症状に気づいて、医師に電話する。患者は、少し減量し、タバコを止める必要があることは知っているが、何か他に起こっていることはないかと述べる。医師は運動ストレステストを提案する。
C.夫人は、55歳女性であり、瞬間的な左視覚障害及び4時間未満で回復する右手の脱力感の症状を示す。頚動脈の二重超音波診断は、左右に、50%以下の広汎性の疾病をと共に、そこなわれていない順行性の流動を示す。患者は、自分の左手を襲う3ヶ月前同様の症状が発現したことを思い出す。
Claims (18)
- 液体、高沸点ペルフルオロカーボンベースのナノパーティクル系エマルジョンの使用において、前記ナノパーティクルは、更に脂質/界面活性剤の被膜を含み、血餅を特徴づける少なくとも1つの成分に対して特異的である少なくとも1つのターゲティングリガンドと直接結合することを特徴とする、ヒト被験者における血餅を画像化及び治療する方法において使用する診断用及び/又は治療用組成物の製造のための、液体、高沸点ペルフルオロカーボンベースのナノパーティクル系エマルジョンの使用。
- 前記方法は、前記組成物を前記ヒト被験者に対して全身投与することを含む請求項1に記載の使用。
- 前記全身投与は、静脈内投与によるものである請求項2に記載の使用。
- 前記方法は、前記組成物を前記血餅に対して局所投与することを含む請求項1に記載の使用。
- 前記方法は、超音波、MRI又は放射性核種を用いて前記血餅の画像化をすることを含む請求項1〜4の何れか一項に記載の使用。
- 前記方法は、更に前記血餅の溶解又は前記血餅の広がりを抑制することを含む請求項1〜5の何れか一項に記載の使用。
- 前記ターゲティングリガンドは、脂質/界面活性剤被膜の成分と共有結合的にカップリングされる請求項1〜6の何れか一項に記載の使用。
- 前記リガンドは、フィブリンと特異的に結合する請求項1〜7の何れか一項に記載の使用。
- 前記ナノパーティクルは、更に少なくとも1つの磁気共鳴画像化造影剤を含む請求項1〜8の何れか一項に記載の使用。
- 前記磁気共鳴画像化造影剤は、キレート化した常磁性イオンである請求項9に記載の使用。
- 前記キレート化剤は、DOTAであり、常磁性イオンは、ガドリニウムイオンである請求項10に記載の使用。
- 前記ナノパーティクルは、更に少なくとも1つの放射性核種を含む請求項1〜8の何れか一項に記載の使用。
- 前記放射性核種は、99Tcである請求項12に記載の使用。
- 更に少なくとも1つの生物活性剤を含む請求項1〜13の何れか一項に記載の使用。
- 前記生物活性剤は、血栓溶解剤である請求項14に記載の使用。
- 前記ターゲティングリガンドは、抗体、抗体のフラグメント、ペプチド、アプタマー、ペプチド擬似物の又はレセプターのリガンドである請求項1〜15の何れか一項に記載の使用。
- ターゲティングリガンドは、抗体又は抗体のフラグメントである請求項16に記載の使用。
- 前記抗体又はフラグメントは、ヒト型である請求項17に記載の使用。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/225,024 US7220401B2 (en) | 1999-09-24 | 2002-08-20 | Blood clot-targeted nanoparticles |
| PCT/US2003/026265 WO2004017907A2 (en) | 2002-08-20 | 2003-08-20 | Blood clot-targeted nanoparticles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005536537A true JP2005536537A (ja) | 2005-12-02 |
| JP2005536537A5 JP2005536537A5 (ja) | 2006-09-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004529815A Pending JP2005536537A (ja) | 2002-08-20 | 2003-08-20 | 血餅−標的ナノパーティクル |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7220401B2 (ja) |
| EP (1) | EP1539252A4 (ja) |
| JP (1) | JP2005536537A (ja) |
| AU (1) | AU2003258325B2 (ja) |
| CA (1) | CA2491758A1 (ja) |
| IL (1) | IL166171A0 (ja) |
| WO (1) | WO2004017907A2 (ja) |
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| JP2009511209A (ja) * | 2005-10-14 | 2009-03-19 | ザ・クリーブランド・クリニック・ファンデーション | 血管組織をキャラクタライズするシステム及び方法 |
| JP2009535126A (ja) * | 2006-04-27 | 2009-10-01 | バーンズ−ジューイッシュ ホスピタル | 標的組織の検出とイメージング |
| JP2010514839A (ja) * | 2007-01-03 | 2010-05-06 | バーナム インスティテュート フォー メディカル リサーチ | クロット結合化合物に関連する方法および組成物 |
| JP2013500959A (ja) * | 2009-07-31 | 2013-01-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | イメージングに用いるパーフルオロ化合物 |
| JP2016029098A (ja) * | 2009-07-31 | 2016-03-03 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | イメージングに用いるパーフルオロ化合物 |
| JP2016515553A (ja) * | 2013-03-25 | 2016-05-30 | ビー.ブラウン メルズンゲン アーゲーB.Braun Melsungen Ag | セミフッ化炭素化合物含有造影剤 |
| JP2022552775A (ja) * | 2019-10-28 | 2022-12-20 | フロデザイン ソニックス, インク. | 音響プロセスで使用する粒子 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004017907A3 (en) | 2004-06-17 |
| CA2491758A1 (en) | 2004-03-04 |
| IL166171A0 (en) | 2006-01-15 |
| WO2004017907A2 (en) | 2004-03-04 |
| US20070202040A1 (en) | 2007-08-30 |
| EP1539252A2 (en) | 2005-06-15 |
| US7220401B2 (en) | 2007-05-22 |
| US20030086867A1 (en) | 2003-05-08 |
| AU2003258325B2 (en) | 2009-06-11 |
| EP1539252A4 (en) | 2008-03-12 |
| AU2003258325A1 (en) | 2004-03-11 |
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