PT951280E - Microparticulas hidrofilicas e metodos para a sua preparacao - Google Patents

Microparticulas hidrofilicas e metodos para a sua preparacao

Info

Publication number
PT951280E
PT951280E PT97910783T PT97910783T PT951280E PT 951280 E PT951280 E PT 951280E PT 97910783 T PT97910783 T PT 97910783T PT 97910783 T PT97910783 T PT 97910783T PT 951280 E PT951280 E PT 951280E
Authority
PT
Portugal
Prior art keywords
preparation
methods
water
hydrophilic microparticles
present
Prior art date
Application number
PT97910783T
Other languages
English (en)
Inventor
Daniel C F Chan
Dmitri Kirpotin
Paul Bunn
Original Assignee
Hermes Biosciences Inc
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 Hermes Biosciences Inc filed Critical Hermes Biosciences Inc
Publication of PT951280E publication Critical patent/PT951280E/pt

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
    • A61K9/51—Nanocapsules; Nanoparticles
    • A61K9/5107—Excipients; Inactive ingredients
    • A61K9/513—Organic macromolecular compounds; Dendrimers
    • A61K9/5161—Polysaccharides, e.g. alginate, chitosan, cellulose derivatives; Cyclodextrin
    • 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
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • 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
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • 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
    • A61K9/5192—Processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
    • 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
    • A61K9/19—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles lyophilised, i.e. freeze-dried, solutions or dispersions

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Nanotechnology (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Biotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biophysics (AREA)
  • Dispersion Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Steroid Compounds (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
PT97910783T 1996-10-03 1997-10-02 Microparticulas hidrofilicas e metodos para a sua preparacao PT951280E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2759496P 1996-10-03 1996-10-03

Publications (1)

Publication Number Publication Date
PT951280E true PT951280E (pt) 2004-05-31

Family

ID=21838625

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97910783T PT951280E (pt) 1996-10-03 1997-10-02 Microparticulas hidrofilicas e metodos para a sua preparacao

Country Status (10)

Country Link
US (1) US6048550A (pt)
EP (1) EP0951280B1 (pt)
AT (1) ATE257698T1 (pt)
AU (1) AU4807197A (pt)
CA (1) CA2267973C (pt)
DE (1) DE69727244T2 (pt)
DK (1) DK0951280T3 (pt)
ES (1) ES2212083T3 (pt)
PT (1) PT951280E (pt)
WO (1) WO1998014180A1 (pt)

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Also Published As

Publication number Publication date
EP0951280A1 (en) 1999-10-27
CA2267973A1 (en) 1998-04-09
DE69727244T2 (de) 2004-11-25
ES2212083T3 (es) 2004-07-16
EP0951280A4 (en) 2001-08-29
DE69727244D1 (de) 2004-02-19
WO1998014180A1 (en) 1998-04-09
CA2267973C (en) 2006-12-19
US6048550A (en) 2000-04-11
EP0951280B1 (en) 2004-01-14
DK0951280T3 (da) 2004-05-17
AU4807197A (en) 1998-04-24
ATE257698T1 (de) 2004-01-15

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