DE69928283D1 - Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil - Google Patents

Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil

Info

Publication number
DE69928283D1
DE69928283D1 DE69928283T DE69928283T DE69928283D1 DE 69928283 D1 DE69928283 D1 DE 69928283D1 DE 69928283 T DE69928283 T DE 69928283T DE 69928283 T DE69928283 T DE 69928283T DE 69928283 D1 DE69928283 D1 DE 69928283D1
Authority
DE
Germany
Prior art keywords
microparticles
release profile
preparation
release
active agent
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
DE69928283T
Other languages
English (en)
Other versions
DE69928283T2 (de
Inventor
L Lyons
J Ramstack
G Wright
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.)
Alkermes Inc
Alkermes Controlled Therapeutics Inc II
Original Assignee
Alkermes Inc
Alkermes Controlled Therapeutics Inc II
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, Alkermes Controlled Therapeutics Inc II filed Critical Alkermes Inc
Publication of DE69928283D1 publication Critical patent/DE69928283D1/de
Application granted granted Critical
Publication of DE69928283T2 publication Critical patent/DE69928283T2/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
    • A61K9/14—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)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
DE69928283T 1998-12-30 1999-12-10 Herstellung von mikropartikeln mit einem gewählten freisetzungsprofil Expired - Lifetime DE69928283T2 (de)

Applications Claiming Priority (3)

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
US223276 1998-12-30
PCT/US1999/029349 WO2000040221A1 (en) 1998-12-30 1999-12-10 Preparation of microparticles having a selected release profile

Publications (2)

Publication Number Publication Date
DE69928283D1 true DE69928283D1 (de) 2005-12-15
DE69928283T2 DE69928283T2 (de) 2006-08-10

Family

ID=22835812

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928283T Expired - Lifetime DE69928283T2 (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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ATE308977T1 (de) 2005-11-15
AU3117800A (en) 2000-07-24
CA2352818A1 (en) 2000-07-13
JP2002534372A (ja) 2002-10-15
US6379703B1 (en) 2002-04-30
AU759214B2 (en) 2003-04-10
US20030203039A1 (en) 2003-10-30
ES2251850T3 (es) 2006-05-01
US20030003156A1 (en) 2003-01-02
DE69928283T2 (de) 2006-08-10
EP1140029A1 (de) 2001-10-10
EP1140029B1 (de) 2005-11-09
JP4694694B2 (ja) 2011-06-08
US6596316B2 (en) 2003-07-22
US6194006B1 (en) 2001-02-27
WO2000040221A1 (en) 2000-07-13
CA2352818C (en) 2009-04-14
DK1140029T3 (da) 2006-02-13

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