DE69812887D1 - Mikropartikel aus chitosan-gelatin a - Google Patents

Mikropartikel aus chitosan-gelatin a

Info

Publication number
DE69812887D1
DE69812887D1 DE69812887T DE69812887T DE69812887D1 DE 69812887 D1 DE69812887 D1 DE 69812887D1 DE 69812887 T DE69812887 T DE 69812887T DE 69812887 T DE69812887 T DE 69812887T DE 69812887 D1 DE69812887 D1 DE 69812887D1
Authority
DE
Germany
Prior art keywords
bioadhesive
chitosan
microspheres
chitosan gelatin
polymeric material
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
DE69812887T
Other languages
English (en)
Other versions
DE69812887T2 (de
Inventor
James Watts
Lisbeth Illum
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.)
Kyowa Kirin Services Ltd
Original Assignee
West Pharmaceutical Services Drug Delivery and Clinical Research Center Ltd
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 West Pharmaceutical Services Drug Delivery and Clinical Research Center Ltd filed Critical West Pharmaceutical Services Drug Delivery and Clinical Research Center Ltd
Application granted granted Critical
Publication of DE69812887D1 publication Critical patent/DE69812887D1/de
Publication of DE69812887T2 publication Critical patent/DE69812887T2/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
    • A61K9/1652—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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0043—Nose
    • 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
    • A61K9/1658—Proteins, e.g. albumin, gelatin
DE69812887T 1997-01-14 1998-01-14 Mikropartikel aus chitosan-gelatin a Expired - Lifetime DE69812887T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9700624.1A GB9700624D0 (en) 1997-01-14 1997-01-14 Drug delivery composition
PCT/GB1998/000108 WO1998030207A1 (en) 1997-01-14 1998-01-14 Chitosan-gelatin a microparticles

Publications (2)

Publication Number Publication Date
DE69812887D1 true DE69812887D1 (de) 2003-05-08
DE69812887T2 DE69812887T2 (de) 2003-12-18

Family

ID=10805925

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69812887T Expired - Lifetime DE69812887T2 (de) 1997-01-14 1998-01-14 Mikropartikel aus chitosan-gelatin a

Country Status (15)

Country Link
US (1) US6465626B1 (de)
EP (1) EP0952822B1 (de)
JP (1) JP2001508061A (de)
AT (1) ATE235889T1 (de)
AU (1) AU725460B2 (de)
CA (1) CA2275717C (de)
DE (1) DE69812887T2 (de)
DK (1) DK0952822T3 (de)
ES (1) ES2200306T3 (de)
GB (2) GB9700624D0 (de)
NO (1) NO993195L (de)
NZ (1) NZ335815A (de)
PT (1) PT952822E (de)
WO (1) WO1998030207A1 (de)
ZA (1) ZA98273B (de)

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Also Published As

Publication number Publication date
ES2200306T3 (es) 2004-03-01
GB2335357A (en) 1999-09-22
EP0952822B1 (de) 2003-04-02
NZ335815A (en) 2001-03-30
GB2335357B (en) 2000-12-13
NO993195D0 (no) 1999-06-28
GB9916018D0 (en) 1999-09-08
NO993195L (no) 1999-06-28
DK0952822T3 (da) 2003-07-21
DE69812887T2 (de) 2003-12-18
CA2275717A1 (en) 1998-07-16
AU5568998A (en) 1998-08-03
WO1998030207A1 (en) 1998-07-16
ZA98273B (en) 1999-07-13
US6465626B1 (en) 2002-10-15
PT952822E (pt) 2003-08-29
AU725460B2 (en) 2000-10-12
EP0952822A1 (de) 1999-11-03
CA2275717C (en) 2007-09-11
GB9700624D0 (en) 1997-03-05
JP2001508061A (ja) 2001-06-19
ATE235889T1 (de) 2003-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ARCHIMEDES DEVELOPMENT LTD., NOTTINGHAM, GB

8328 Change in the person/name/address of the agent

Representative=s name: STROHSCHAENK UND KOLLEGEN, 85521 OTTOBRUNN