JPH08505366A - 改良診断薬の製造 - Google Patents
改良診断薬の製造Info
- Publication number
- JPH08505366A JPH08505366A JP6509745A JP50974594A JPH08505366A JP H08505366 A JPH08505366 A JP H08505366A JP 6509745 A JP6509745 A JP 6509745A JP 50974594 A JP50974594 A JP 50974594A JP H08505366 A JPH08505366 A JP H08505366A
- Authority
- JP
- Japan
- Prior art keywords
- microspheres
- diameter
- protein
- minutes
- hollow
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5052—Proteins, e.g. albumin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—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
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/42—Proteins; Polypeptides; Degradation products thereof; Derivatives thereof, e.g. albumin, gelatin or zein
-
- 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; Ultrasonic imaging preparations
-
- 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; Ultrasonic imaging preparations
- A61K49/222—Echographic preparations; Ultrasonic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/223—Microbubbles, hollow microspheres, free gas bubbles, gas microspheres
-
- 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
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1658—Proteins, e.g. albumin, gelatin
-
- 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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Gyroscopes (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Steroid Compounds (AREA)
- Luminescent Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Saccharide Compounds (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 微小球の30%以上の直径が2μmの範囲内であり、かつ、微小球の少 なくとも90%の直径が10.1〜19.9μmの範囲内である、中空微小球。 2. 直径の四分位範囲が2μm以下であり、メジアン直径が10.1〜19 .9μmである、中空微小球。 3. タンパク質性壁を有する中空微小球であって、微小球の少なくとも90 %が、直径が1.0〜8.0μmの範囲にあり、微小球の少なくとも90%の壁 厚が40〜500nmであり、微小球の壁のタンパク質の少なくとも50%が架 橋して、1%HCl中2分間の抽出に耐えるものであり、そして微小球のイン・ ビボでのt1/2が少なくとも5分であるかまたは微小球がヒトもしくは動物の体 内のある部位に対して選択的に標的設定されてなる、中空微小球。 4. タンパク質の少なくとも95%が前記のように架橋している、請求の範 囲第3項に記載の中空微小球。 5. 直径が主として1.0〜10.0μmであり、微小球の少なくとも10 %を水に懸濁したとき、2.66×104Paの圧0.25秒間加えても破裂、 崩壊、または水の充満なしに残ることができる中空微小球であって、この微小球 がイン・ビボでのt1/2が少なくとも5分であるかまたは微小球がヒトもしくは 動物の 体内のある部位に対して選択的に標的設定されてなる、中空微小球。 6. 微小球の30%以上の直径が2μmの範囲内であり、少なくとも90% の直径が1.0〜8.0μmであり、微小球のイン・ビボでのt1/2が少なくと も5分であるかまたは微小球がヒトもしくは動物の体内のある部位に対して選択 的に標的設定されてなる、中空微小球。 7. 直径の四分位範囲が2μm以下であり、メジアン直径が2.0〜8.0 μmであり、そして、微小球のイン・ビボでのt1/2が少なくとも5分であるか または微小球がヒトもしくは動物の体内のある部位に対して選択的に標的設定さ れてなる、中空微小球。 8. 画像を形成させた後、検査を行う方法であって、(a)哺乳類の体内に 請求の範囲第1項〜7項のいずれか一項に記載の微小球を注射し、(b)哺乳類 またはその一部を適当な超音波で処理し、(c)前記微小球によって反射し、伝 達し、共鳴し、または振動数変調した超音波を検出することからなる、方法。 9. 動脈内投与に好適な医薬組成物であって、中空微小球の直径が主として 10.1〜19.9μmであることを特徴とする、医薬組成物。 10. 画像を形成させた後、検査を行う方法であって、(a)哺乳類の体内 に主として直径が10.1〜19.9μmの微小球を注射し、(b)哺乳類また はその 一部を適当な超音波で処理し、(c)前記微小球によって反射し、伝達し、共鳴 し、または振動数変調した超音波を検出することからなる、方法。 11. 液体キャリヤー中に壁形成材料を溶解または分散したものをガス中に 噴霧し、液体キャリヤーを蒸発させることによって中空微小球を得る段階を含ん でなる方法であって、微小球の直径が10.1〜19.9μmであり、または微 小球のヒト循環t1/2が少なくとも5分であるかまたは微小球がヒトもしくは動 物の体内のある部位に対して選択的に標的設定されてなる、方法。 12. 得られた生成物を、少なくとも微小球の外側の水溶性を減少させる段 階に付す、請求の範囲第11項に記載の方法。 13. 壁形成材料がタンパク質である、請求の範囲第11項または第12項 に記載の方法。 14. タンパク質がコラーゲン、ゼラチン、または血清アルブミンである、 請求の範囲第13項に記載の方法。 15. タンパク質がヒト血清アルブミンであるか、または血清に由来した若 しくは組換えDNA技術によって調製したその類似物またはフラグメントである 、請求の範囲第14項に記載の方法。 16. タンパク質溶液または分散液が10.0〜30.0%のタンパク質を 含む、請求の範囲第13項〜 第15項のいずれか一項に記載の方法。 17. 請求の範囲第11項に記載の生成物が96〜98%のモノマー性タン パク質を含むものである、請求の範囲第13項〜第16項のいずれか一項に記載 の方法。 18. 請求の範囲第12項に記載される段階の生成物のモノマー性タンパク 質が5%以下である、請求の範囲第13項〜第17項のいずれか一項に記載の方 法。 19. 請求の範囲第11項に記載の段階の条件が請求の範囲第12項に記載 の段階を実質的に同時に行うようにするものである、請求の範囲第12項〜第1 6項のいずれか一項に記載の方法。 20. 請求の範囲第11項〜第19項のいずれか一項に記載の方法によって 得られる微小球。 21. 請求の範囲第11項〜第19項のいずれか一項に記載の方法によって 得ることができる微小球。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9221329.7 | 1992-10-10 | ||
| GB929221329A GB9221329D0 (en) | 1992-10-10 | 1992-10-10 | Preparation of further diagnostic agents |
| PCT/GB1993/002091 WO1994008627A1 (en) | 1992-10-10 | 1993-10-08 | Preparation of further diagnostic agents |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006189610A Division JP2006273874A (ja) | 1992-10-10 | 2006-07-10 | 改良診断薬の製造 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08505366A true JPH08505366A (ja) | 1996-06-11 |
Family
ID=10723265
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6509745A Withdrawn JPH08505366A (ja) | 1992-10-10 | 1993-10-08 | 改良診断薬の製造 |
| JP2006189610A Ceased JP2006273874A (ja) | 1992-10-10 | 2006-07-10 | 改良診断薬の製造 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006189610A Ceased JP2006273874A (ja) | 1992-10-10 | 2006-07-10 | 改良診断薬の製造 |
Country Status (11)
| Country | Link |
|---|---|
| US (7) | US6344182B1 (ja) |
| EP (2) | EP1226832B1 (ja) |
| JP (2) | JPH08505366A (ja) |
| AT (2) | ATE451127T1 (ja) |
| CA (1) | CA2146783C (ja) |
| DE (2) | DE69334304D1 (ja) |
| DK (1) | DK0663840T3 (ja) |
| ES (2) | ES2356372T3 (ja) |
| GB (4) | GB9221329D0 (ja) |
| HK (1) | HK1007960A1 (ja) |
| WO (1) | WO1994008627A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09508067A (ja) * | 1994-11-19 | 1997-08-19 | アンダリス、リミテッド | 中空マイクロカプセルの製造 |
| NL1014175C2 (nl) | 2000-01-25 | 2001-07-26 | Oldelft B V | Ultrageluid probe. |
| JP2006511461A (ja) * | 2002-08-29 | 2006-04-06 | ザ・コーポレーション・オブ・メイサー・ユニバーシティー | マイクロカプセル化された物質及びそれらを作成する方法 |
| JP2007509989A (ja) * | 2003-10-31 | 2007-04-19 | ポイント バイオメディカル コーポレイション | 超音波造影剤として有用な再構成可能なミクロスフィア組成物 |
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| US5993805A (en) * | 1991-04-10 | 1999-11-30 | Quadrant Healthcare (Uk) Limited | Spray-dried microparticles and their use as therapeutic vehicles |
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| US20030113273A1 (en) * | 1996-06-17 | 2003-06-19 | Patton John S. | Methods and compositions for pulmonary delivery of insulin |
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| US6290991B1 (en) * | 1994-12-02 | 2001-09-18 | Quandrant Holdings Cambridge Limited | Solid dose delivery vehicle and methods of making same |
| BR9510462A (pt) * | 1994-12-16 | 1998-12-15 | Andaris Ltd | Micropartículas reticuladas e seu uso como veículos terapéuticos |
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| GB9610830D0 (en) | 1996-05-23 | 1996-07-31 | Andaris Ltd | Use of hollow microcapsules |
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| JP2002515887A (ja) * | 1996-10-19 | 2002-05-28 | クウォドラント、ヘルスケアー、(ユーケー)、リミテッド | 診断および治療における中空マイクロカプセルの使用 |
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-
1992
- 1992-10-10 GB GB929221329A patent/GB9221329D0/en active Pending
-
1993
- 1993-10-08 DE DE69334304T patent/DE69334304D1/de not_active Expired - Lifetime
- 1993-10-08 ES ES02076722T patent/ES2356372T3/es not_active Expired - Lifetime
- 1993-10-08 AT AT02076722T patent/ATE451127T1/de not_active IP Right Cessation
- 1993-10-08 JP JP6509745A patent/JPH08505366A/ja not_active Withdrawn
- 1993-10-08 ES ES93922577T patent/ES2214477T3/es not_active Expired - Lifetime
- 1993-10-08 DE DE69333345T patent/DE69333345T2/de not_active Revoked
- 1993-10-08 DK DK93922577T patent/DK0663840T3/da active
- 1993-10-08 GB GB9616117A patent/GB2302650B/en not_active Expired - Fee Related
- 1993-10-08 AT AT93922577T patent/ATE255911T1/de active
- 1993-10-08 EP EP02076722A patent/EP1226832B1/en not_active Expired - Lifetime
- 1993-10-08 US US08/411,815 patent/US6344182B1/en not_active Expired - Fee Related
- 1993-10-08 WO PCT/GB1993/002091 patent/WO1994008627A1/en not_active Ceased
- 1993-10-08 EP EP93922577A patent/EP0663840B1/en not_active Revoked
- 1993-10-08 GB GB9507191A patent/GB2286122B/en not_active Expired - Fee Related
- 1993-10-08 CA CA002146783A patent/CA2146783C/en not_active Expired - Fee Related
- 1993-10-08 HK HK98107199A patent/HK1007960A1/xx not_active IP Right Cessation
- 1993-10-08 GB GB9616116A patent/GB2302649B/en not_active Expired - Fee Related
-
1995
- 1995-06-05 US US08/465,621 patent/US6015546A/en not_active Expired - Fee Related
- 1995-06-05 US US08/465,622 patent/US5957848A/en not_active Expired - Fee Related
- 1995-06-05 US US08/465,236 patent/US6348186B1/en not_active Expired - Fee Related
-
1999
- 1999-09-03 US US09/390,467 patent/US6416741B1/en not_active Expired - Fee Related
-
2002
- 2002-06-21 US US10/175,853 patent/US6939530B2/en not_active Expired - Fee Related
-
2005
- 2005-06-23 US US11/159,209 patent/US20050238586A1/en not_active Abandoned
-
2006
- 2006-07-10 JP JP2006189610A patent/JP2006273874A/ja not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09508067A (ja) * | 1994-11-19 | 1997-08-19 | アンダリス、リミテッド | 中空マイクロカプセルの製造 |
| NL1014175C2 (nl) | 2000-01-25 | 2001-07-26 | Oldelft B V | Ultrageluid probe. |
| US6575909B2 (en) | 2000-01-25 | 2003-06-10 | Oldelft B.V. | Ultrasound probe having transducer elements with different frequency centers |
| JP2006511461A (ja) * | 2002-08-29 | 2006-04-06 | ザ・コーポレーション・オブ・メイサー・ユニバーシティー | マイクロカプセル化された物質及びそれらを作成する方法 |
| JP2007509989A (ja) * | 2003-10-31 | 2007-04-19 | ポイント バイオメディカル コーポレイション | 超音波造影剤として有用な再構成可能なミクロスフィア組成物 |
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| JP4592831B2 (ja) | 中空マイクロカプセルの製造 | |
| JP2000511525A (ja) | 中空マイクロカプセルの使用 |
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