JPH11505272A - 画像化剤として使用するためのポリマー―脂質ミクロカプセル化フッ素化ガス - Google Patents
画像化剤として使用するためのポリマー―脂質ミクロカプセル化フッ素化ガスInfo
- Publication number
- JPH11505272A JPH11505272A JP10508764A JP50876498A JPH11505272A JP H11505272 A JPH11505272 A JP H11505272A JP 10508764 A JP10508764 A JP 10508764A JP 50876498 A JP50876498 A JP 50876498A JP H11505272 A JPH11505272 A JP H11505272A
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- microparticles
- microparticle
- poly
- lipid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 108060006613 prolamin Proteins 0.000 description 1
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- NRWCNEBHECBWRJ-UHFFFAOYSA-M trimethyl(propyl)azanium;chloride Chemical compound [Cl-].CCC[N+](C)(C)C NRWCNEBHECBWRJ-UHFFFAOYSA-M 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/0002—General or multifunctional contrast agents, e.g. chelated agents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/0004—Screening or testing of compounds for diagnosis of disorders, assessment of conditions, e.g. renal clearance, gastric emptying, testing for diabetes, allergy, rheuma, pancreas functions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/22—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations
- A61K49/222—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/223—Microbubbles, hollow microspheres, free gas bubbles, gas microspheres
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Diabetes (AREA)
- Endocrinology (AREA)
- Gastroenterology & Hepatology (AREA)
- Engineering & Computer Science (AREA)
- Rheumatology (AREA)
- Toxicology (AREA)
- Urology & Nephrology (AREA)
- Biomedical Technology (AREA)
- Acoustics & Sound (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 微粒子が生体適合性ポリマーから形成され、中に画像化剤を取り込んでい る診断用画像化用の微粒子を製造する方法であって、微粒子中で水の浸透または 吸収速度を減少させる量の疎水性化合物をポリマーに含ませることを含む該方法 。 2. 疎水性化合物を、疎水性化合物の重量対ポリマー重量で0.01〜30の割合で ポリマー中に取り込ませる請求項1に記載の方法。 3. 疎水性化合物が0.01〜30(脂質重量/ポリマー重量)の割合でポリマーに 取り込まれた脂質である請求項2に記載の方法。 4. 脂質が、脂肪酸及び誘導体、モノ、ジ及びトリグリセリド、リン脂質、ス フィンゴ脂質、コレステロール及びステロイド誘導体、油、ビタミン並びにテル ペンからなる群から選択される請求項1に記載の方法。 5. 脂質が、ホスファチジン酸、飽和及び不飽和脂質を有するホスファチジル コリン、ホスファチジルエタノールアミン、ホスファチジルグリセロール、ホス ファチジルセリン、ホスファチジルイノシトール、リソホスファチジル誘導体、 カルジオリピン及びβ-アシル-y-アルキルリン脂質からなる群から選択されるリ ン脂質である請求項4に記載の方法。 6. リン脂質が、ジオレイルホスファチジルコリン、ジミリストイルホスファ チジルコリン、ジペンタデカノイルホスファチジルコリン、ジラウロイルホスフ ァチジルコリン、ジパルミトイルホスファチジルコリン、ジステアロイルホスフ ァチジルコリン、ジアラキドイルホスファチジルコリン、ジベヘノイルホスファ チジルコリン、ジトリコサノイルホスファチジルコリン、ジリグノセロイルファ チジルコリン及びホスファチジルエタノールアミンからなる群から選択される請 求項5に記載の方法。 7. 画像化剤が、フッ素化ガス、酸素、キセノン、アルゴン、ヘリウム及び空 気からなる群から選択される請求項1に記載の方法。 8. ガスが、CF4、C2F6、C3F8、C4F8、SF6、C2F4及びC3F6から なる群から選択される請求項7に記載の方法。 9. ガスがオクタフルオロプロパンである請求項8に記載の方法。 10. 画像化剤が、磁気共鳴画像化、コンピュータ断層撮影法、エックス線、 陽電子エミッション断層撮影法及び単一光子エミッションコンピュータ断層撮影 法からなる群から選択される画像化法により検出可能である請求項1に記載の方 法。 11. 微粒子が合成ポリマーから形成される請求項1に記載の方法。 12. 微粒子が天然ポリマーから形成される請求項1に記載の方法。 13.微粒子が生体接着性合成ポリマーから形成される請求項1に記載の方法。 14. 微粒子が、ポリ(ヒドロキシ酸)、ポリアンヒドリド、ポリオルソエス テル、ポリアミド、ポリカーボネート、ポリアルキレン、ポリアルキレングリコ ール、ポリアルキレンオキシド、ポリアルキレンテレフタレート、ポリビニルア ルコール、ポリビニルエーテル、ポリビニルエステル、ポリビニルハライド、ポ リビニルピロリドン、ポリシロキサン、ポリ(ビニルアルコール)、ポリ(酢酸 ビニル)、ポリスチレン、ポリウレタン及びそのコポリマー、合成セルロース、 ポリアクリル酸、ポリ(酪酸)、ポリ(吉草酸)、及びポリ(ラクチド−コ−カ プロラクトン)、エチレンビニルアセテート、そのコポリマー及びブレンドから なる群から選択される合成ポリマーから形成される請求項11に記載の方法。 15. 微粒子が生体適合性ポリマーから形成され、中に画像化剤を取り込んで いる診断画像化用の微粒子であって、微粒子中で水の浸透及び吸収速度を減少さ せる疎水性化合物の有効量をポリマー中に含んでいる該微粒子。 16. 疎水性化合物が、疎水性化合物の重量対ポリマー重量の0.01〜30の割合 でポリマーに取り込まれている請求項15に記載の微粒子。 17. 疎水性化合物が、0.01〜30(脂質重量/ポリマー重量)の割合でポリマ ーに取り込まれた脂質である請求項16に記載の微粒子。 18. 脂質が、脂肪酸及び誘導体、モノ、ジ及びトリグリセリド、リン脂質、 スフィンゴ脂質、コレステロール及びステロイド誘導体、油、ビタミン並びにテ ルペンからなる群から選択される請求項17に記載の微粒子。 19. 脂質が、ホスファチジン酸、飽和及び不飽和脂質を有するホスファチジ ルコリン、ホスファチジルエタノールアミン、ホスファチジルグリセロール、ホ スファチジルセリン、ホスファチジルイノシトール、リソホスファチジル誘導体 、 カルジオリピン及びβ-アシル-y-アルキルリン脂質からなる群から選択されるリ ン脂質である請求項18に記載の微粒子。 20. リン脂質が、ジオレイルホスファチジルコリン、ジミリストイルホスフ ァチジルコリン、ジペンタデカノイルホスファチジルコリン、ジラウロイルホス ファチジルコリン、ジパルミトイルホスフアチジルコリン、ジステアロイルホス ファチジルコリン、ジアラキドイルホスファチジルコリン、ジベヘノイルホスフ ァチジルコリン、ジトリコサノイルホスファチジルコリン、ジリグノセロイルフ ァチジルコリン及びホスファチジルエタノールアミンからなる群から選択される 請求項19に記載の微粒子。 21. 画像化剤が、フッ素化ガス、酸素、キセノン、アルゴン、ヘリウム及び 空気からなる群から選択されるガスである請求項15に記載の微粒子。 22. ガスが、CF4、C2F6、C3F8、C4F8、SF6、C2F4及びC3F6か らなる群から選択される請求項21に記載の微粒子。 23. ガスがオクタフルオロプロパンである請求項22に記載の微粒子。 24. ポリマーが、磁気共鳴画像化、コンピュータ断層撮影法、エックス線、 陽電子エミッション断層撮影法及び単一光子エミッションコンピュータ断層撮影 法からなる群から選択される画像化法により検出可能である請求項15に記載の 微粒子。 25. 微粒子が合成ポリマーから形成される請求項15に記載の微粒子。 26. ポリマーが、ポリ(ヒドロキシ酸)、ポリアンヒドリド、ポリオルソエ ステル、ポリアミド、ポリカーボネート、ポリアルキレン、ポリアルキレングリ コール、ポリアルキレンオキシド、ポリアルキレンテレフタレート、ポリビニル アルコール、ポリビニルエーテル、ポリビニルエステル、ポリビニルハライド、 ポリビニルピロリドン、ポリシロキサン、ポリ(ビニルアルコール)、ポリ(酢 酸ビニル)、ポリスチレン、ポリウレタン及びそのコポリマー、合成セルロース 、ポリアクリル酸、ポリ(酪酸)、ポリ(吉草酸)、及びポリ(ラクチド−コ− カプロラクトン)、エチレンビニルアセテート、そのコポリマー及びブレンドか らなる群から選択される請求項25に記載の微粒子。 27. 脂質がポリマーと共に融解し、微粒子を形成している請求項17に記載 の微粒子。 28. 脂質及びポリマーを両方に対する溶媒に溶解させ、次いで微粒子を形成 している請求項27に記載の微粒子。 29. ポリマー及び脂質が固化した後にガスが微粒子に取り込まれている請求 項27に記載の微粒子。 30. ポリマーが、蛋白質及び多糖類からなる群から選択される天然ポリマー である請求項15に記載の微粒子。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US681,710 | 1996-07-29 | ||
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1997
- 1997-02-27 NZ NZ333864A patent/NZ333864A/en not_active IP Right Cessation
- 1997-02-27 EP EP97929669A patent/EP0957942B2/en not_active Expired - Lifetime
- 1997-02-27 PT PT97929669T patent/PT957942E/pt unknown
- 1997-02-27 IL IL12816397A patent/IL128163A/en not_active IP Right Cessation
- 1997-02-27 JP JP10508764A patent/JP2987212B2/ja not_active Expired - Fee Related
- 1997-02-27 PL PL33148797A patent/PL188011B1/pl not_active IP Right Cessation
- 1997-02-27 DK DK97929669T patent/DK0957942T4/da active
- 1997-02-27 HU HU0000392A patent/HU226584B1/hu not_active IP Right Cessation
- 1997-02-27 CA CA002260938A patent/CA2260938C/en not_active Expired - Fee Related
- 1997-02-27 DE DE69729579T patent/DE69729579T3/de not_active Expired - Lifetime
- 1997-02-27 AU AU33672/97A patent/AU720727B2/en not_active Ceased
- 1997-02-27 AT AT97929669T patent/ATE269107T1/de active
- 1997-02-27 WO PCT/US1997/003007 patent/WO1998004292A2/en active IP Right Grant
- 1997-02-27 CN CN97196876A patent/CN1092989C/zh not_active Expired - Fee Related
- 1997-02-27 BR BRPI9711109-0A patent/BR9711109B1/pt active IP Right Grant
- 1997-02-27 CZ CZ99328A patent/CZ32899A3/cs unknown
- 1997-02-27 KR KR10-1999-7000708A patent/KR100477876B1/ko not_active IP Right Cessation
- 1997-02-27 ES ES97929669T patent/ES2223080T5/es not_active Expired - Lifetime
- 1997-03-03 ZA ZA9701813A patent/ZA971813B/xx unknown
- 1997-03-05 ID IDP970682A patent/ID17646A/id unknown
- 1997-03-05 MY MYPI97000890A patent/MY130324A/en unknown
- 1997-03-10 TW TW086102919A patent/TW480176B/zh not_active IP Right Cessation
-
1999
- 1999-01-28 NO NO19990402A patent/NO318460B1/no not_active IP Right Cessation
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2000
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008501684A (ja) * | 2004-06-04 | 2008-01-24 | アキュスフィア, インコーポレイテッド | 超音波造影剤の投薬処方物 |
WO2006051732A1 (ja) * | 2004-11-10 | 2006-05-18 | Konica Minolta Medical & Graphic, Inc. | 被覆磁性粒子含有製剤およびその製造方法、並びに診断治療システム |
JP2011140527A (ja) * | 2011-04-20 | 2011-07-21 | Acusphere Inc | 超音波造影剤の投薬処方物 |
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