DE3751647D1 - Biologisch abbaubare Mikrokugeln als Träger für Makromoleküle - Google Patents

Biologisch abbaubare Mikrokugeln als Träger für Makromoleküle

Info

Publication number
DE3751647D1
DE3751647D1 DE3751647T DE3751647T DE3751647D1 DE 3751647 D1 DE3751647 D1 DE 3751647D1 DE 3751647 T DE3751647 T DE 3751647T DE 3751647 T DE3751647 T DE 3751647T DE 3751647 D1 DE3751647 D1 DE 3751647D1
Authority
DE
Germany
Prior art keywords
water
biologically active
macromolecules
carriers
biodegradable microspheres
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
DE3751647T
Other languages
English (en)
Other versions
DE3751647T2 (de
Inventor
Patrick P Deluca
Frantisek Rypacek
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.)
University of Kentucky Research Foundation
Original Assignee
University of Kentucky Research Foundation
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 University of Kentucky Research Foundation filed Critical University of Kentucky Research Foundation
Publication of DE3751647D1 publication Critical patent/DE3751647D1/de
Application granted granted Critical
Publication of DE3751647T2 publication Critical patent/DE3751647T2/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
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • 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
    • 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.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only
DE3751647T 1986-05-16 1987-05-11 Biologisch abbaubare Mikrokugeln als Träger für Makromoleküle Expired - Lifetime DE3751647T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/864,147 US4741872A (en) 1986-05-16 1986-05-16 Preparation of biodegradable microspheres useful as carriers for macromolecules

Publications (2)

Publication Number Publication Date
DE3751647D1 true DE3751647D1 (de) 1996-02-08
DE3751647T2 DE3751647T2 (de) 1996-06-20

Family

ID=25342631

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751647T Expired - Lifetime DE3751647T2 (de) 1986-05-16 1987-05-11 Biologisch abbaubare Mikrokugeln als Träger für Makromoleküle

Country Status (11)

Country Link
US (1) US4741872A (de)
EP (1) EP0245820B1 (de)
JP (1) JP2634813B2 (de)
AT (1) ATE132035T1 (de)
AU (1) AU600723B2 (de)
CA (1) CA1309657C (de)
DE (1) DE3751647T2 (de)
DK (1) DK175890B1 (de)
ES (1) ES2080715T3 (de)
GR (1) GR3018872T3 (de)
NZ (1) NZ220323A (de)

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Also Published As

Publication number Publication date
DK244687A (da) 1987-11-17
US4741872A (en) 1988-05-03
AU600723B2 (en) 1990-08-23
DK175890B1 (da) 2005-05-30
CA1309657C (en) 1992-11-03
EP0245820A2 (de) 1987-11-19
ES2080715T3 (es) 1996-02-16
EP0245820B1 (de) 1995-12-27
GR3018872T3 (en) 1996-05-31
JP2634813B2 (ja) 1997-07-30
EP0245820A3 (de) 1991-01-30
DK244687D0 (da) 1987-05-14
AU7266887A (en) 1987-11-19
DE3751647T2 (de) 1996-06-20
NZ220323A (en) 1991-04-26
JPS6328445A (ja) 1988-02-06
ATE132035T1 (de) 1996-01-15

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