ATE308977T1 - Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil - Google Patents

Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil

Info

Publication number
ATE308977T1
ATE308977T1 AT99965212T AT99965212T ATE308977T1 AT E308977 T1 ATE308977 T1 AT E308977T1 AT 99965212 T AT99965212 T AT 99965212T AT 99965212 T AT99965212 T AT 99965212T AT E308977 T1 ATE308977 T1 AT E308977T1
Authority
AT
Austria
Prior art keywords
microparticles
release profile
release
production
active agent
Prior art date
Application number
AT99965212T
Other languages
English (en)
Inventor
Shawn L Lyons
Michael J Ramstack
Steven G Wright
Original Assignee
Alkermes 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 Alkermes Inc filed Critical Alkermes Inc
Application granted granted Critical
Publication of ATE308977T1 publication Critical patent/ATE308977T1/de

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
    • A61K9/14—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
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
    • 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
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • 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.]

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
AT99965212T 1998-12-30 1999-12-10 Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil ATE308977T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/223,276 US6194006B1 (en) 1998-12-30 1998-12-30 Preparation of microparticles having a selected release profile
PCT/US1999/029349 WO2000040221A1 (en) 1998-12-30 1999-12-10 Preparation of microparticles having a selected release profile

Publications (1)

Publication Number Publication Date
ATE308977T1 true ATE308977T1 (de) 2005-11-15

Family

ID=22835812

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99965212T ATE308977T1 (de) 1998-12-30 1999-12-10 Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil

Country Status (10)

Country Link
US (4) US6194006B1 (de)
EP (1) EP1140029B1 (de)
JP (1) JP4694694B2 (de)
AT (1) ATE308977T1 (de)
AU (1) AU759214B2 (de)
CA (1) CA2352818C (de)
DE (1) DE69928283T2 (de)
DK (1) DK1140029T3 (de)
ES (1) ES2251850T3 (de)
WO (1) WO2000040221A1 (de)

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CA2352818C (en) 2009-04-14
EP1140029A1 (de) 2001-10-10
AU3117800A (en) 2000-07-24
US6596316B2 (en) 2003-07-22
US6379703B1 (en) 2002-04-30
CA2352818A1 (en) 2000-07-13
US20030203039A1 (en) 2003-10-30
EP1140029B1 (de) 2005-11-09
WO2000040221A1 (en) 2000-07-13
DE69928283D1 (de) 2005-12-15
US6194006B1 (en) 2001-02-27
JP4694694B2 (ja) 2011-06-08
DK1140029T3 (da) 2006-02-13
AU759214B2 (en) 2003-04-10
ES2251850T3 (es) 2006-05-01
US20030003156A1 (en) 2003-01-02
JP2002534372A (ja) 2002-10-15
DE69928283T2 (de) 2006-08-10

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