JP2000509428A - 生体内分解性標的指向性マイクロパーティクル送達システム - Google Patents
生体内分解性標的指向性マイクロパーティクル送達システムInfo
- Publication number
- JP2000509428A JP2000509428A JP10528169A JP52816998A JP2000509428A JP 2000509428 A JP2000509428 A JP 2000509428A JP 10528169 A JP10528169 A JP 10528169A JP 52816998 A JP52816998 A JP 52816998A JP 2000509428 A JP2000509428 A JP 2000509428A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.一般式: 上式中、 R1、R2、R3、R4およびR5は独立して選択され、H、直鎖または分岐鎖アル キル基から選択され、 R6はH、アミン保護基、スペーサ分子または生物学的に活性な化学種から選択 され、 XはOまたはS基から選択され、 xおよびyは整数である、 の骨格を有する生体分解性、生体適合性ポリマー。 2.xおよびyが、ポリマーが少なくとも約95%のα−ヒドロキシ残基からな るような値の整数である請求項1に記載のポリマー。 3.少なくとも1つのα−ヒドロシキ酸と少なくとも1つの疑似−α−アミノ酸 を含むモノマーの共重合により得られる請求項1に記載のポリマー。 4.少なくとも1つのα−ヒドロキシ酸が式R1R2COHCO2Hを有し、上式 中、R1およびR2基はH、線状または枝分かれアルキル単位であり、アルキル単 位は式CnH2n+1で表され、上式中、nは約1から10の整数である請求項3に 記載のポリマー。 5.α−ヒドロキシ酸がα−ヒドロキシ酸混合物を含み、前記α−ヒドロキシ酸 混合物の1つが水素であるR1およびR2基を有し、前記α−ヒドロキシ酸混合物 のその他がCH3であるR1基およびHであるR2基を有する請求項4に記載のポ リマー。 6.少なくとも1つの疑似−α−アミノ酸が式R5CHNHR6CO2Hを有し、 上式中、R5基はヒドロキシメチルまたはメチルチオール基であり、R6はアミ ン保護基である請求項3に記載のポリマー。 7.アミン保護基を、カルボベンジルオキシ(CBZまたはZ)、ベンジル(B n)、パラメトキシベンジル(MeOBn)、べンジルオキシメトキシ(BOM )、第三ブチルオキシカルボニル(t−BOc)および[9−フルオレニルメチ ルオキシ]カルボニル(FMOC)からなる群から選択する請求項6に記載のポ リマー。 8.少なくとも1つのα−ヒドロキシ酸を、L−乳酸、D,L−乳酸、グリコー ル酸、ヒドロキシ吉草酸およびヒドロキシ酪酸からなる群から選択する請求項3 に記載のポリマー。 9.少なくとも1つの疑似−α−アミノ酸がセリンから得られる請求項3に記載 のポリマー。 10.前記ポリマーがポリ−D,L−ラクチド−コ−グリコリド−コ−疑似−Z −セリンエステル(PLGpZS)である請求項1に記載のポリマー。 11.前記ポリマーがポリ−P,L−ラクチド−コ−グリコリド−コ−疑似−セ リンエステル(PLGpS)である請求項1に記載のポリマー。 12.R6が少なくとも1つの生物学的に活性な化学種である請求項1に記載の ポリマー。 13.R6が、少なくとも1つの生物学的に活性な化学種が結合した少なくとも 1つのスペーサ分子である請求項12に記載のポリマー。 14.スペーサ分子を、式R7R8COHCO2Hで表されるα−ヒドロキシ酸( 上式中、R7またはR8基は独立して、直鎖または分岐鎖アルキル単位である)お よび式R9CHNHR10CO2Hで表される疑似−α−アミノ酸(上式中、R9基 はヒドロキシメチルまたはメチルチオール基であり、R10はアミン保護基である )から選択する請求項13に記載のポリマー。 15.少なくとも1つの生物学的に活性な化学種を、細胞生体接着基、マクロフ ァージ刺激物質、ポリアミノ酸およびポリエチレングリコールからなる群から選 択する請求項12に記載のポリマー。 16.分子量が約5000から約40000ダルトンである請求項1に記載のポ リマー。 17.少なくとも1つのα−ヒドロシキ酸モノマーと少なくとも1つの疑似−α −アミノ酸モノマーを共重合することを含む生体分解性、生体適合性ポリマーの 製法。 18.請求項1に記載の式を有する生体分解性、生体適合性ポリマーの製法であ って、 −不活性雰囲気条件下、エステル化触媒の有機溶媒溶液を使用して、少なくとも 1っのα−ヒドロシキ酸とアミン保護基を有する少なくとも1つの疑似−α−ア ミノ酸を含むモノマー混合物を形成するステップと、 −前記モノマーを共重合するステップと、 −得られたポリマーを単離するステップと を含む方法。 19.形成されたポリマーを固相触媒による還元または酸触媒作用で脱保護する 請求項18に記載の方法。 20.前記脱保護を、酢酸溶液中、臭化水素の存在下、酸触媒作用により実施す る請求項19に記載の方法。 21.前記触媒が2−エチルヘキサン酸第一スズである請求項18に記載の方法 。 22.前記重合を約120℃の温度で約28時間実施する請求項18に記載の方 法。 23.前記有機溶媒が無水クロロホルムである請求項18に記載の方法。 24.前記方法がさらに、ポリマーをフィルムに形成するステップを含む請求項 18に記載の方法。 25.前記方法がさらに、ポリマーを微小粒子に形成するステップを含む請求項 18に記載の方法。 26.生物学的に活性な物質を宿主に送達するための粒状担体であって、 一般式:上式中、 R1、R2、R3、R4およびR5は独立して選択され、H、直鎖または分岐鎖アル キル基から選択され、 R6はH、アミン保護基、スペーサ分子または生物学的に活性な化学種から選択 され、 XはOまたはS基から選択され、 xおよびyは整数である、 の骨格を有するポリマーを含む粒状担体。 27.前記担体の粒径が約1から50μMである請求項26に記載の粒状担体。 28.前記ポリマーの分子量が約5000から約40000ダルトンである請求 項27に記載の粒状担体。 29.前記ポリマーの少なくとも約95%がα−ヒドロキシ酸残基からなる請求 項28に記載の粒状担体。 30.請求項26に記載の粒状担体とその担体内に閉じ込めた少なくとも1つの 生物学的に活性な物質を含む組成物。 31.請求項26に記載の粒状担体とその担体と物理的に混合した少なくとも1 つの生物学的に活性な物質とを含む組成物。 32.前記少なくとも1つの生物学的に活性な物質が免疫応答を誘導できる請求 項30または31に記載の組成物。 33.前記少なくとも1つの生物学的に活性な物質が少なくとも1つのインフル エンザ菌のタンパク質を含む請求項32に記載の組成物。 34.インフルエンザ菌のタンパク質を、非タンパク質分解性Hin−47類似 体、D15、P1、P2、P6およびそれらの混合物からなる群から選択する請 求項33に記載の組成物。 35.前記少なくとも1つの生物学的に活性な物質が少なくとも1つのインフル エンザウィルスまたはインフルエンザウィルスのタンパク質を含む請求項32に 記載の組成物。 36.前記インフルエンザウィルスが多価インフルエンザウィルスワクチンを含 む請求項35に記載の組成物。 37.前記インフルエンザウィルスが一価インフルエンザウィルスワクチンを含 む請求項35に記載の組成物。 38.前記インフルエンザウィルスのタンパク質が一価インフルエンザウィルス ワクチンのタンパク質を含む請求項35に記載の組成物。 39.前記少なくとも1つの生物学的に活性な物質が少なくとも1つのモラクセ ラ・カタラーリスのタンパク質を含む請求項32に記載の組成物。 40.少なくとも1つのモラクセラ・カタラーリスのタンパク質がモラクセラ・ カタラーリスのTbp2タンパク質である請求項39に記載の組成物。 41.前記少なくとも1つの生物学的に活性な物質が少なくとも1つのヘリコバ クター・ピロリのタンパク質を含む請求項32に記載の組成物。 42.前記ヘリコバクター・ピロリのタンパク質がウレアーゼを含む請求項41 に記載の組成物。 43.その中に閉じ込められた少なくとも1つのアジュバントをさらに含む請求 項26に記載の組成物。 44.その中に混合された少なくとも1つのアジュバントをさらに含む請求項2 6に記載の組成物。 45.前記アジュバントを、リポペプチド、無機塩、脂質、糖脂質、炭水化物な らびにそれらの組み合わせ、誘導体および混合物からなる群から選択する請求項 43または44に記載の組成物。 46.前記アジュバントが有機溶媒溶解性アジュバントである請求項45に記載 の組成物。 47.前記アジュバントを、BAY R1−005、トリパルミトイルシステイ ンおよびDC−cholからなる群から選択する請求項46に記載の組成物。 48.前記アジュバントが水溶性アジュバントである請求項45に記載の組成物 。 49.前記アジュバントがポリマー性水溶性アジュバントである請求項48に記 載の組成物。 50.前記ポリマーアジュバントがPCPPである請求項49に記載の組成物。 51.前記水溶性アジュバントが粘膜アジュバントである請求項49に記載の組 成物。 52.前記粘膜アジュバントがCT−Xである請求項51に記載の組成物。 53.前記粘膜アジュバントがLTである請求項51に記載の組成物。 54.前記担体が、約1から50μMの粒径を有するマトリックスを含む請求項 30または31に記載の組成物。 55.少なくとも1つの生物学的に活性な物質を宿主に送達するための粒状担体 の製法であって、 (a)α−ヒドロキシ酸ポリマーまたはコポリマーを含む有機溶媒相を、分散ま たは溶解した生物学的に活性な物質を含む水性組成物と混合して、第1の油中水 型エマルジョンを形成するステップと、 (b)第1の油中水型エマルジョンを水性洗剤相に分散して、第2の水中油中水 型ダブルエマルジョンを形成するステップと、 (c)第2のダブルエマルジョンから水を除去して、ミクロスフェアを形成する ステップと、 (d)ミクロスフェアを回収し、その中に前記生物学的に活性な物質を閉じ込め るステップと を含む方法。 56.前記ポリマーを、ポリ−D,L−ラクチド−コ−グリコリド(PLG)、 ポリ−D,L−ラクチド−コ−グリコリド−コ−疑似−Z−セリンエステル(P LGpZS)および ポリ−D,L−ラクチド−コ−グリコリド−コ−疑似−セ リンエステル(PLGpS)からなる群から選択する請求項55に記載の方法。 57.前記有機溶媒を、ジクロロメタン、酢酸エチル、アセトンおよびそれらの 混合物からなる群から選択する請求項55に記載の方法。 58.前記水性洗剤相が少なくとも1つの非イオン性エマルジョン安定剤を含む 請求項58に記載の方法。 59.前記少なくとも1つの非イオン性エマルジョン安定剤を、ポリビニルアル コール、メチルセルロースおよびTriton X−100からなる群から選択 する請求項58に記載の方法。 60.前記第1の油中水型エマルジョンが少なくとも1つの有機溶媒溶解性アジ ュバントを含む請求項55に記載の方法。 61.前記有機溶媒溶解性アジュバントが親油性である請求項55に記載の方法 。 62.前記アジュバントを、BAY R1−055、トリパルミトイルシステイ ンおよびDC−Cholからなる群から選択する請求項61に記載の方法。 63.前記第1の油中水型エマルジョンが少なくとも1つの水溶性アジュバント をさらに含む請求項55に記載の方法。 64.前記水溶性アジュバントがポリマーの水溶性アジュバントである請求項6 3に記載の方法。 65.前記ポリマー性水溶性アジュバントがPCPPである請求項64に記載の 方法。 66.前記水溶性アジュバントが粘膜アジュバントである請求項62に記載の方 法。 67.前記粘膜アジュバントがCT−Xである請求項63に記載の方法。 68.前記粘膜アジュバントがLTである請求項66に記載の方法。 69.前記第1の油中水型エマルジョンが少なくとも1つの表面活性剤をさらに 含む請求項55に記載の方法。 70.前記表面活性剤を、蔗糖、マンノース、トレハロースおよびゼラチンから なる群から選択する請求項69に記載の方法。 71.請求項26に記載の粒状担体、免疫原およびその生理学的に許容される担 体を含む免疫原性組成物。 72.請求項71に記載の免疫原性組成物を宿主に投与することを含む、宿主で 免疫応答を起こす方法。 73.前記組成物を粘膜からまたは非経口的に投与する請求項72に記載の方法 。 74.前記免疫応答が抗体応答である請求項72に記載の方法。 75.前記抗体応答が局所または血清抗体反応である請求項74に記載の方法。
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Cited By (3)
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WO2004092388A1 (ja) * | 2003-04-18 | 2004-10-28 | Japan As Represented By President Of National Cardiovascular Center | ベクター |
JPWO2004092388A1 (ja) * | 2003-04-18 | 2006-07-06 | 国立循環器病センター総長 | ベクター |
US8298817B2 (en) | 2003-04-18 | 2012-10-30 | National Cerebral And Cardiovascular Center | Vector |
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BR9714065A (pt) | 2000-10-24 |
JP3428972B2 (ja) | 2003-07-22 |
NZ336718A (en) | 2001-01-26 |
US20050163745A1 (en) | 2005-07-28 |
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DE69720516D1 (de) | 2003-05-08 |
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CA2275033C (en) | 2005-08-02 |
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PT946624E (pt) | 2003-08-29 |
JP3990303B2 (ja) | 2007-10-10 |
AU729305B2 (en) | 2001-02-01 |
AU5472198A (en) | 1998-07-17 |
EP0946624A1 (en) | 1999-10-06 |
DK0946624T3 (da) | 2003-07-14 |
ES2196385T3 (es) | 2003-12-16 |
CA2275033A1 (en) | 1998-07-02 |
JP2003261661A (ja) | 2003-09-19 |
US6312732B1 (en) | 2001-11-06 |
DE69720516T2 (de) | 2004-02-19 |
US6471996B1 (en) | 2002-10-29 |
US6287604B1 (en) | 2001-09-11 |
US6042820A (en) | 2000-03-28 |
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