NO20050860L - Fremgangsmate for fremstilling av krystallinske nanopartikkeldispersjoner - Google Patents

Fremgangsmate for fremstilling av krystallinske nanopartikkeldispersjoner

Info

Publication number
NO20050860L
NO20050860L NO20050860A NO20050860A NO20050860L NO 20050860 L NO20050860 L NO 20050860L NO 20050860 A NO20050860 A NO 20050860A NO 20050860 A NO20050860 A NO 20050860A NO 20050860 L NO20050860 L NO 20050860L
Authority
NO
Norway
Prior art keywords
preparation
dispersion
water
insoluble substance
amorphous particles
Prior art date
Application number
NO20050860A
Other languages
English (en)
Inventor
Per Lennart Lindfors
Tommy Urban Skantze
Sara Forssen
Original Assignee
Astrazeneca Ab
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 Astrazeneca Ab filed Critical Astrazeneca Ab
Publication of NO20050860L publication Critical patent/NO20050860L/no

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
    • 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
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/145—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic compounds
    • 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
    • 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
    • A61K9/141—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146—Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • 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
    • A61K9/51—Nanocapsules; Nanoparticles
    • 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
    • A61K9/51—Nanocapsules; Nanoparticles
    • A61K9/5107—Excipients; Inactive ingredients
    • A61K9/513—Organic macromolecular compounds; Dendrimers
    • A61K9/5138—Organic macromolecular compounds; Dendrimers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
  • Dispersion Chemistry (AREA)
  • Colloid Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Medicinal Preparation (AREA)
  • Glass Compositions (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

En fremgangsmåte for fremstilling av en dispersjon av krystallinske nanopartikler i et vandig medium som omfatter å forene (i) en første løsning som omfatter en i det alt vesentlige vann-uløselig substans i et vann-blandbart løsningsmiddel med; ii) en vandig fase som omfatter vann og eventuelt et stabiliserende middel, for å danne en dispersjon av amorfe partikler; og (iii) å behandle dispersjonen av amorfe partikler sonisk i en tilstrekkelig tidsperiode for å danne krystallinske nanopartikler av den i det alt vesentlige vann-uløselige substansen. Fremgangsmåten tilveiebringer nanokrystaller med en midlere hydrodynamisk diameter på mindre enn 1 mikron, i særdeleshet mindre enn 300 nm og som er særlig nyttige ved fremstillingen av nanokrystallinske dispersjoner av farmasøytiske substanser.
NO20050860A 2002-07-18 2005-02-17 Fremgangsmate for fremstilling av krystallinske nanopartikkeldispersjoner NO20050860L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0216700.5A GB0216700D0 (en) 2002-07-18 2002-07-18 Process
PCT/GB2003/003044 WO2004009057A1 (en) 2002-07-18 2003-07-14 Process for the preparation of crystalline nano-particle dispersions

Publications (1)

Publication Number Publication Date
NO20050860L true NO20050860L (no) 2005-04-18

Family

ID=9940704

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20050860A NO20050860L (no) 2002-07-18 2005-02-17 Fremgangsmate for fremstilling av krystallinske nanopartikkeldispersjoner

Country Status (18)

Country Link
US (1) US7780989B2 (no)
EP (1) EP1524964B1 (no)
JP (1) JP2006504511A (no)
KR (1) KR101061309B1 (no)
CN (1) CN100594885C (no)
AT (1) ATE489939T1 (no)
BR (1) BR0312631A (no)
CA (1) CA2492709C (no)
DE (1) DE60335189D1 (no)
ES (1) ES2355137T3 (no)
GB (1) GB0216700D0 (no)
HK (1) HK1075199A1 (no)
IL (1) IL165930A0 (no)
MX (1) MXPA05000595A (no)
NO (1) NO20050860L (no)
NZ (1) NZ537654A (no)
WO (1) WO2004009057A1 (no)
ZA (1) ZA200410343B (no)

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Also Published As

Publication number Publication date
WO2004009057A1 (en) 2004-01-29
DE60335189D1 (de) 2011-01-13
ATE489939T1 (de) 2010-12-15
ZA200410343B (en) 2005-10-17
MXPA05000595A (es) 2005-04-19
EP1524964A1 (en) 2005-04-27
KR20050023432A (ko) 2005-03-09
CN1668280A (zh) 2005-09-14
EP1524964B1 (en) 2010-12-01
IL165930A0 (en) 2006-01-15
US7780989B2 (en) 2010-08-24
AU2003244871A1 (en) 2004-02-09
CA2492709C (en) 2012-01-24
CA2492709A1 (en) 2004-01-29
GB0216700D0 (en) 2002-08-28
US20050202092A1 (en) 2005-09-15
CN100594885C (zh) 2010-03-24
ES2355137T3 (es) 2011-03-23
NZ537654A (en) 2006-08-31
JP2006504511A (ja) 2006-02-09
HK1075199A1 (en) 2005-12-09
KR101061309B1 (ko) 2011-08-31
BR0312631A (pt) 2005-04-19

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