DE69305730T2 - Partikel für die nmr-bildgebung sowie herstellungsverfahren - Google Patents

Partikel für die nmr-bildgebung sowie herstellungsverfahren

Info

Publication number
DE69305730T2
DE69305730T2 DE69305730T DE69305730T DE69305730T2 DE 69305730 T2 DE69305730 T2 DE 69305730T2 DE 69305730 T DE69305730 T DE 69305730T DE 69305730 T DE69305730 T DE 69305730T DE 69305730 T2 DE69305730 T2 DE 69305730T2
Authority
DE
Germany
Prior art keywords
particles
core
glycerophospholipid
micellar
shell
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
DE69305730T
Other languages
English (en)
Other versions
DE69305730D1 (de
Inventor
Herve Tournier
Roland Hyacinthe
Michel Domaine Du Mo Schneider
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.)
Bracco International BV
Original Assignee
Bracco International BV
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
Application filed by Bracco International BV filed Critical Bracco International BV
Application granted granted Critical
Publication of DE69305730D1 publication Critical patent/DE69305730D1/de
Publication of DE69305730T2 publication Critical patent/DE69305730T2/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
    • 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
    • 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
    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
    • A61K49/1821—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles
    • A61K49/1824—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles
    • A61K49/1827—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
    • A61K49/1833—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with a small organic molecule
    • A61K49/1839—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with a small organic molecule the small organic molecule being a lipid, a fatty acid having 8 or more carbon atoms in the main chain, or a phospholipid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/832—Nanostructure having specified property, e.g. lattice-constant, thermal expansion coefficient
    • Y10S977/838—Magnetic property of nanomaterial
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/905—Specially adapted for travel through blood circulatory system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/904—Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/927—Diagnostic contrast agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/902—Specified use of nanostructure
    • Y10S977/932—Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/953—Detector using nanostructure
    • Y10S977/96—Of magnetic property
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/24—Nuclear magnetic resonance, electron spin resonance or other spin effects or mass spectrometry

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
DE69305730T 1992-08-13 1993-07-30 Partikel für die nmr-bildgebung sowie herstellungsverfahren Expired - Lifetime DE69305730T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP92810618 1992-08-13
EP93810380 1993-05-25
PCT/EP1993/002046 WO1994004197A1 (en) 1992-08-13 1993-07-30 Particles for nmr imaging and method of manufacture

Publications (2)

Publication Number Publication Date
DE69305730D1 DE69305730D1 (de) 1996-12-05
DE69305730T2 true DE69305730T2 (de) 1997-05-28

Family

ID=26132520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69305730T Expired - Lifetime DE69305730T2 (de) 1992-08-13 1993-07-30 Partikel für die nmr-bildgebung sowie herstellungsverfahren

Country Status (20)

Country Link
US (3) US5464696A (de)
EP (1) EP0607401B1 (de)
JP (1) JP2968588B2 (de)
KR (1) KR100307773B1 (de)
CN (1) CN1076205C (de)
AT (1) ATE144714T1 (de)
AU (1) AU660108B2 (de)
CA (1) CA2119654C (de)
DE (1) DE69305730T2 (de)
DK (1) DK0607401T3 (de)
ES (1) ES2094558T3 (de)
FI (1) FI941677A0 (de)
GR (1) GR3022288T3 (de)
HU (1) HU221805B1 (de)
IL (1) IL106493A (de)
IS (1) IS1648B (de)
MX (1) MX9304924A (de)
NO (1) NO307244B1 (de)
NZ (1) NZ254791A (de)
WO (1) WO1994004197A1 (de)

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Also Published As

Publication number Publication date
WO1994004197A1 (en) 1994-03-03
ATE144714T1 (de) 1996-11-15
NO307244B1 (no) 2000-03-06
NO941311L (no) 1994-04-12
NZ254791A (en) 1996-11-26
AU4705493A (en) 1994-03-15
CA2119654C (en) 2001-02-06
JP2968588B2 (ja) 1999-10-25
GR3022288T3 (en) 1997-04-30
CN1076205C (zh) 2001-12-19
FI941677A (fi) 1994-04-12
IS1648B (is) 1997-03-25
HU221805B1 (hu) 2003-01-28
EP0607401B1 (de) 1996-10-30
IS4058A (is) 1994-02-14
HUT75149A (en) 1997-04-28
IL106493A (en) 1997-02-18
JPH07503976A (ja) 1995-04-27
US5587199A (en) 1996-12-24
US5545395A (en) 1996-08-13
HU9401038D0 (en) 1994-07-28
US5464696A (en) 1995-11-07
NO941311D0 (no) 1994-04-12
ES2094558T3 (es) 1997-01-16
CA2119654A1 (en) 1994-03-03
EP0607401A1 (de) 1994-07-27
FI941677A0 (fi) 1994-04-12
AU660108B2 (en) 1995-06-08
KR100307773B1 (ko) 2001-12-28
IL106493A0 (en) 1993-11-15
MX9304924A (es) 1994-08-31
CN1089470A (zh) 1994-07-20
DK0607401T3 (da) 1996-11-25
DE69305730D1 (de) 1996-12-05

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