JP4662556B2 - 治療薬デリバリー制御に関する相溶性ポリマーブレンド含有埋め込み又は挿入可能医療器具 - Google Patents
治療薬デリバリー制御に関する相溶性ポリマーブレンド含有埋め込み又は挿入可能医療器具 Download PDFInfo
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- JP4662556B2 JP4662556B2 JP2006509193A JP2006509193A JP4662556B2 JP 4662556 B2 JP4662556 B2 JP 4662556B2 JP 2006509193 A JP2006509193 A JP 2006509193A JP 2006509193 A JP2006509193 A JP 2006509193A JP 4662556 B2 JP4662556 B2 JP 4662556B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
- A61K9/0024—Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/34—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/08—Materials for coatings
- A61L29/085—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L29/00—Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
- A61L29/14—Materials characterised by their function or physical properties, e.g. lubricating compositions
- A61L29/16—Biologically active materials, e.g. therapeutic substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/08—Materials for coatings
- A61L31/10—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/14—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L31/16—Biologically active materials, e.g. therapeutic substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/602—Type of release, e.g. controlled, sustained, slow
Description
及び/又はスチレン誘導体(例えばα―メチルスチレン、環アルキル化スチレン又は環ハロゲン化スチレン又は一個又はそれ以上の置換基が芳香環上にある他の置換スチレン)モノマーの生成鎖の様な芳香族ビニルポリマーであり、ここではまとめて“スチレンブロック”又は“スチレン鎖”と呼ばれる。例としてはジブロック共重合体、トリブロック共重合体(例えば中央Aブロックのいずれかの末端をBブロックで封止する)、星型共重合体(例えば中央AブロックをBブロックで封止する)及び他の分岐ブロック共重合体、例えば樹枝型ブロック共重合体(例えば中央分岐AブロックをBブロックで封止する)又はグラフト共重合体(例えば多数のBブロックがAブロック主鎖を起源とする)がある。
Claims (22)
- (a)埋め込み又は挿入可能医療器具基材、
(b)治療薬及び
(c)該埋め込み又は挿入可能医療器具基材の少なくとも一部の上に配置の放除領域
を含む治療薬放除医療器具であって、
該放除領域が(i)複数の相溶性ポリマーを含む第一相であって、該複数の相溶性ポリマーが互いに相溶性であってブレンドを形成する第一相と、(ii)該複数の相溶性ポリマーのいずれかもしくはすべて、または該相溶性ポリマーのブレンドに対して非相溶性である追加ポリマーを含む第二相を含み;ここで、
該放除領域が該医療器具を患者に埋め込むか又は挿入したとき該医療器具からの薬剤放除速度を制御する医療器具。 - 前記相溶性ポリマーのうちの少なくとも1つがホモポリマーである請求項1の治療薬放除医療器具。
- 前記相溶性ポリマーのうちの少なくとも1つが共重合体である請求項1の治療薬放除医療器具。
- 前記複数の相溶性ポリマーが一対の相溶性ポリマー対である請求項1の治療薬放除医療器具。
- 一対の相溶性ポリマーが(a)ポリ(ビニルブチラール)/ポリ(ビニルピロリドン)、(b)ポリ(2,6−ジメチル−1,4−フェニレンオキシド)/ポリスチレン、(c)テトラメチルビスフェノールA ポリカーボネート/ポリスチレン、(d)ポリ(エチレンオキサイド)/ポリ(メチルメタアクリレート)、(e)ポリ(フッ化ビニリデン)/ポリ(メチルメタアクリレート)、(f)ポリスチレン/ポリ(ビニルメチルエーテル)、(g)ポリ(メチルメタアクリレート)/ポリ(スチレン−コ−アクリロニトリル)、(h)ポリ(塩化ビニル)/ポリ(エチレン−コ−酢酸ビニル)及び(i)ポリ(スチレン−コ−無水マレイン酸/(ポリ(スチレン−コ−アクリロニトリル)から選択した請求項4の治療薬放除医療器具。
- 前記追加ポリマーがホモポリマーである請求項1の治療薬放除医療器具。
- 前記追加ポリマーが共重合体である請求項1の治療薬放除医療器具。
- 前記追加ポリマーが(i)一つ又はそれ以上のポリオレフィンポリマー鎖と(ii)一つ又はそれ以上の芳香族ビニルポリマー鎖を含む共重合体である請求項7の治療薬放除医療器具。
- 前記放除領域が治療薬含有領域上に配置のバリヤー領域である請求項1の治療薬放除医療器具。
- 前記放除領域が前記治療薬を含有する担体領域である請求項1の治療薬放除医療器具。
- 前記埋め込み又は挿入可能医療器具がカテーテル、ガイドワイヤー、バルーン、フィルター、ステント、ステントグラフト、血管グラフト、血管パッチ、シャント及び腔内舗装系から選択した請求項1の治療薬放除医療器具。
- 前記埋め込み又は挿入可能医療器具がステントである請求項1の治療薬放除医療器具。
- 前記埋め込み又は挿入可能医療器具が冠動脈管構造、末梢血管系、食道、気管、大腸、胆管、尿道、前立腺又は脳への埋め込み又は挿入に適応する請求項1の治療薬放除医療器具。
- 前記治療薬が抗トロンビン剤、抗増殖性薬、抗炎症薬、抗偏頭痛薬、細胞外基質生成及び組織化影響剤、抗悪性腫瘍薬、有糸分裂阻害剤、麻酔薬、抗凝血剤、血管細胞成長促進物質、血管細胞成長阻害剤、コレステロール降下剤、血管拡張薬及び内在性血管作動機構妨害薬からなる群から選択した請求項1の治療薬放除医療器具。
- 請求項1の治療薬放除医療器具を形成する方法であって、
(a)(i)一つ又はそれ以上の溶剤種、(ii)前記相溶性ポリマー及び(iii)前記追加ポリマーを含む溶液を提供し、
(b)該溶液を前記埋め込み又は挿入可能医療器材の表面に塗布し、且つ
(c)該溶液から溶剤を除去して放除領域を形成する事
を含む方法。 - 前記溶液が更に治療薬を含有する請求項15の方法。
- 前記溶液を治療薬剤含有領域上に塗布する請求項15の方法。
- 前記溶液を溶剤スプレー法で塗布する請求項15の方法。
- 患者へ治療薬を投与するためのシステムであって、
請求項1の治療薬放除医療器具を含み、ここで該治療薬放除医療器具が患者に埋め込まれるように構成されている、システム。 - 前記医療器具がカテーテル、ガイドワイヤー、バルーン、フィルター、ステント、ステントグラフト、血管グラフト、血管パッチ、シャント及び腔内舗装系から選択した請求項19のシステム。
- 前記医療器具が脈管構造に挿入される請求項20のシステム。
- 前記治療薬が再狭窄治療において放除される請求項21のシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/382,552 US8313759B2 (en) | 2003-03-06 | 2003-03-06 | Implantable or insertable medical devices containing miscible polymer blends for controlled delivery of a therapeutic agent |
PCT/US2004/006853 WO2004080397A2 (en) | 2003-03-06 | 2004-03-05 | Implantable or insertable medical devices containing miscible polymer blends for controlled delivery of a therapeutic agent |
Publications (3)
Publication Number | Publication Date |
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JP2006520673A JP2006520673A (ja) | 2006-09-14 |
JP2006520673A5 JP2006520673A5 (ja) | 2010-08-12 |
JP4662556B2 true JP4662556B2 (ja) | 2011-03-30 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006509193A Expired - Fee Related JP4662556B2 (ja) | 2003-03-06 | 2004-03-05 | 治療薬デリバリー制御に関する相溶性ポリマーブレンド含有埋め込み又は挿入可能医療器具 |
Country Status (4)
Country | Link |
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US (1) | US8313759B2 (ja) |
EP (1) | EP1599229A2 (ja) |
JP (1) | JP4662556B2 (ja) |
WO (1) | WO2004080397A2 (ja) |
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- 2004-03-05 JP JP2006509193A patent/JP4662556B2/ja not_active Expired - Fee Related
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Also Published As
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US20040175406A1 (en) | 2004-09-09 |
EP1599229A2 (en) | 2005-11-30 |
JP2006520673A (ja) | 2006-09-14 |
US8313759B2 (en) | 2012-11-20 |
WO2004080397A2 (en) | 2004-09-23 |
WO2004080397A3 (en) | 2004-12-02 |
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