DE69231950T2 - Gasgefüllte liposome als ultraschall-kontrastmittel - Google Patents

Gasgefüllte liposome als ultraschall-kontrastmittel

Info

Publication number
DE69231950T2
DE69231950T2 DE69231950T DE69231950T DE69231950T2 DE 69231950 T2 DE69231950 T2 DE 69231950T2 DE 69231950 T DE69231950 T DE 69231950T DE 69231950 T DE69231950 T DE 69231950T DE 69231950 T2 DE69231950 T2 DE 69231950T2
Authority
DE
Germany
Prior art keywords
gas
liposomes
methods
ultrasonic imaging
ultrasonic contrast
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.)
Expired - Lifetime
Application number
DE69231950T
Other languages
English (en)
Other versions
DE69231950D1 (de
DE69231950T3 (de
Inventor
Evan C Unger
Guanli Wu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ImaRx Pharmaceutical Corp
Original Assignee
ImaRx Pharmaceutical Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24880655&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69231950(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ImaRx Pharmaceutical Corp filed Critical ImaRx Pharmaceutical Corp
Publication of DE69231950D1 publication Critical patent/DE69231950D1/de
Application granted granted Critical
Publication of DE69231950T2 publication Critical patent/DE69231950T2/de
Publication of DE69231950T3 publication Critical patent/DE69231950T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
    • A61K41/0028—Disruption, e.g. by heat or ultrasounds, sonophysical or sonochemical activation, e.g. thermosensitive or heat-sensitive liposomes, disruption of calculi with a medicinal preparation and ultrasounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
    • A61K41/0052—Thermotherapy; Hyperthermia; Magnetic induction; Induction heating therapy
    • 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
    • A61K47/50—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/69—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
    • A61K47/6905—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit the form being a colloid or an emulsion
    • A61K47/6911—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit the form being a colloid or an emulsion the form being a liposome
    • 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
    • A61K47/50—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/69—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
    • A61K47/6921—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit the form being a particulate, a powder, an adsorbate, a bead or a sphere
    • A61K47/6925—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 the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit the form being a particulate, a powder, an adsorbate, a bead or a sphere the form being a microcapsule, nanocapsule, microbubble or nanobubble
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/06—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
    • A61K49/18—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
    • A61K49/1806—Suspensions, emulsions, colloids, dispersions
    • A61K49/1815—Suspensions, emulsions, colloids, dispersions compo-inhalant, e.g. breath tests
    • 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
    • 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
    • A61K49/227—Liposomes, lipoprotein vesicles, e.g. LDL or HDL lipoproteins, micelles, e.g. phospholipidic or polymeric
    • 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
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A61K9/1277—Processes for preparing; Proliposomes
    • 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
    • A61K9/10—Dispersions; Emulsions
    • A61K9/127—Liposomes
    • A61K9/1277—Processes for preparing; Proliposomes
    • A61K9/1278—Post-loading, e.g. by ion or pH gradient
DE69231950T 1991-06-18 1992-03-31 Gasgefüllte liposome als ultraschall-kontrastmittel Expired - Lifetime DE69231950T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US717084 1991-06-18
US07/717,084 US5228446A (en) 1989-12-22 1991-06-18 Gas filled liposomes and their use as ultrasonic contrast agents
PCT/US1992/002615 WO1992022247A1 (en) 1991-06-18 1992-03-31 Gas filled liposomes and their use as ultrasonic contrast agents

Publications (3)

Publication Number Publication Date
DE69231950D1 DE69231950D1 (de) 2001-08-23
DE69231950T2 true DE69231950T2 (de) 2002-01-17
DE69231950T3 DE69231950T3 (de) 2005-03-10

Family

ID=24880655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69231950T Expired - Lifetime DE69231950T3 (de) 1991-06-18 1992-03-31 Gasgefüllte liposome als ultraschall-kontrastmittel

Country Status (10)

Country Link
US (1) US5228446A (de)
EP (1) EP0616508B2 (de)
JP (1) JP3456584B2 (de)
AT (1) ATE203148T1 (de)
AU (1) AU667471B2 (de)
DE (1) DE69231950T3 (de)
DK (1) DK0616508T4 (de)
ES (1) ES2159280T5 (de)
GR (1) GR3036877T3 (de)
WO (1) WO1992022247A1 (de)

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DE69231950D1 (de) 2001-08-23
US5228446A (en) 1993-07-20
ATE203148T1 (de) 2001-08-15
AU2002092A (en) 1993-01-12
AU667471B2 (en) 1996-03-28
DK0616508T3 (da) 2001-11-05
DE69231950T3 (de) 2005-03-10
EP0616508A4 (en) 1996-06-26
WO1992022247A1 (en) 1992-12-23
GR3036877T3 (en) 2002-01-31
EP0616508B2 (de) 2004-09-29
EP0616508B1 (de) 2001-07-18
ES2159280T5 (es) 2005-03-16
JP3456584B2 (ja) 2003-10-14
JPH06508364A (ja) 1994-09-22
DK0616508T4 (da) 2005-01-31
EP0616508A1 (de) 1994-09-28
ES2159280T3 (es) 2001-10-01

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