JPH06505981A - 造影剤におけるまたは造影剤に関する改良 - Google Patents
造影剤におけるまたは造影剤に関する改良Info
- Publication number
- JPH06505981A JPH06505981A JP4506536A JP50653692A JPH06505981A JP H06505981 A JPH06505981 A JP H06505981A JP 4506536 A JP4506536 A JP 4506536A JP 50653692 A JP50653692 A JP 50653692A JP H06505981 A JPH06505981 A JP H06505981A
- Authority
- JP
- Japan
- Prior art keywords
- protein
- group
- mmol
- gas
- crosslinking
- 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
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
- A61K49/22—Echographic preparations; Ultrasonic imaging preparations
- A61K49/222—Echographic preparations; Ultrasonic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/225—Microparticles, microcapsules
-
- 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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/26—Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/96—Esters of carbonic or haloformic acids
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Organic Chemistry (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicinal Preparation (AREA)
- Glass Compositions (AREA)
- Materials For Medical Uses (AREA)
- Organic Insulating Materials (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Semiconductor Lasers (AREA)
- Steroid Compounds (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Electroluminescent Light Sources (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims (12)
- 1.プロテインシェル中にカプセル封入されたガスまたはガス前駆体の徴小気泡 からなり、該プロテインが生物分解性架橋基によって架橋されていることを特徴 とする、診断用超音波検査に用いるための造影剤。
- 2.架橋基がアミド、イミド、イミン、エステル、無水物、アセタール、カルバ メート、カルボネート、カルボネートエステルおよびジサルファイド基から選ば れた生物分解性結合を含む、請求項1に記載の造影剤。
- 3.架橋基が式 −(Y)n−CO−O−C(R1R1)−O−CO−(Z)n−(式中、YとZ は同じでもまたは異なってもよく、−O−、−S−または一NR3−しであり; R1とR2は同じでもまたは異なってもよく、水素原子または炭素結合した一価 の有機基であるかまたは一緒になって炭素結合した二価の有機基を示し;R3は 水素原子または有機基であり;そして記号nは同じかまたは異なってもよく、0 または1である)の生物分解性結合を含む、請求項2に記載の造影剤。
- 4.プロテインがアルブミン、ゼラチンまたはγ−グロブリンである、前記請求 項のいずれかに記載の造影剤。
- 5.プロテインがヒト血清アルブミンである、請求項4に記載の造影剤。
- 6.さらに無機の粒状安定剤を含む前記請求項のいずれかに記載の造影剤。
- 7.ガスまたはガス前駆体をプロテイン中にカプセル封入し、そしてカプセル封 入の前、その間または後で生物分解性架橋基によりプロテインを架橋することか らなる、請求項1に記載の造影剤の調製方法。
- 8.架橋がカプセル封入の後でなされる、請求項7に記載の方法。
- 9.架橋が式 A1−X−A2(I) (式中、Xは請求項2または3で定義された1個またはそれ以上の生物分解性結 合を含む結合基であり、そしてA1−とA2は同じでもまたは異なってもよく、 プロテインと反応性の官能基である)の架橋剤を使用して行われる、請求項7ま たは8に記載の方法。
- 10.A1とA2が共にアルデヒド基である、請求項9に記載の方法。
- 11.カプセル封入が水性媒体中でプロテインを撹拌または超音波処理してプロ テインの泡を得、この泡を乾燥した後極性有機溶剤中の架橋剤溶液中に懸濁する ことにより行われる、請求項8〜10のいずれかに記載の方法。
- 12.架橋剤が請求項9で定義した式(I)(式中、A1とA2はいずれもO− 結合したスルホン化N−ヒドロキシサクシンイミデイル残基である)の化合物で ある、請求項11に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919106686A GB9106686D0 (en) | 1991-03-28 | 1991-03-28 | Improvements in or relating to contrast agents |
| GB9106686.0 | 1991-03-28 | ||
| PCT/EP1992/000716 WO1992017213A1 (en) | 1991-03-28 | 1992-03-28 | Improvements in or relating to contrast agents |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005250437A Division JP2006045238A (ja) | 1991-03-28 | 2005-08-31 | 造影剤における微小球体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06505981A true JPH06505981A (ja) | 1994-07-07 |
| JP3739783B2 JP3739783B2 (ja) | 2006-01-25 |
Family
ID=10692392
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50653692A Expired - Lifetime JP3739783B2 (ja) | 1991-03-28 | 1992-03-28 | 造影剤におけるまたは造影剤に関する改良 |
| JP2005250437A Pending JP2006045238A (ja) | 1991-03-28 | 2005-08-31 | 造影剤における微小球体 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005250437A Pending JP2006045238A (ja) | 1991-03-28 | 2005-08-31 | 造影剤における微小球体 |
Country Status (17)
| Country | Link |
|---|---|
| US (5) | US5529766C1 (ja) |
| EP (2) | EP0807441A3 (ja) |
| JP (2) | JP3739783B2 (ja) |
| AT (1) | ATE157547T1 (ja) |
| AU (2) | AU663488B2 (ja) |
| BR (1) | BR1100808A (ja) |
| CA (1) | CA2107107C (ja) |
| DE (1) | DE69222037T3 (ja) |
| DK (1) | DK0576521T4 (ja) |
| ES (1) | ES2106857T5 (ja) |
| FI (1) | FI118887B (ja) |
| GB (1) | GB9106686D0 (ja) |
| GR (1) | GR3025333T3 (ja) |
| IE (1) | IE980188A1 (ja) |
| NO (1) | NO307448B1 (ja) |
| SG (1) | SG47687A1 (ja) |
| WO (1) | WO1992017213A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000517272A (ja) * | 1996-08-27 | 2000-12-26 | ニユコメド・イメージング・アクシエセルカペト | 造影剤を入れた容器 |
Families Citing this family (116)
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|---|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000517272A (ja) * | 1996-08-27 | 2000-12-26 | ニユコメド・イメージング・アクシエセルカペト | 造影剤を入れた容器 |
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