Title:
EXTRACTION OF PHARMACEUTICALLY ACTIVE CANNABINOIDS FROM PLANT MATERIALS
Document Type and Number:
WIPO Patent Application WO2004016277
Kind Code:
A3
Abstract:
The invention relates to the extraction of pharmaceutically active components from plant materials, and more particularly to the preparation of a botanical drug substance (BDS) for incorporation in to a medicament. It also relates to a BDS of given purity, for use in pharmaceutical formulations. In particular it relates to BDS comprising cannabinoids obtained by extraction from cannabis.
Inventors:
WHITTLE BRIAN ANTHONY (GB)
HILL COLIN A (GB)
FLOCKHART IAN R (GB)
DOWNS DAVID VICTOR (GB)
GIBSON PETER (GB)
WHEATLEY GARY WILLIAM (GB)
HILL COLIN A (GB)
FLOCKHART IAN R (GB)
DOWNS DAVID VICTOR (GB)
GIBSON PETER (GB)
WHEATLEY GARY WILLIAM (GB)
Application Number:
PCT/GB2003/003566
Publication Date:
April 29, 2004
Filing Date:
August 14, 2003
Export Citation:
Assignee:
GW PHARMA LTD (GB)
WHITTLE BRIAN ANTHONY (GB)
HILL COLIN A (GB)
FLOCKHART IAN R (GB)
DOWNS DAVID VICTOR (GB)
GIBSON PETER (GB)
WHEATLEY GARY WILLIAM (GB)
WHITTLE BRIAN ANTHONY (GB)
HILL COLIN A (GB)
FLOCKHART IAN R (GB)
DOWNS DAVID VICTOR (GB)
GIBSON PETER (GB)
WHEATLEY GARY WILLIAM (GB)
International Classes:
A61K31/352; A61K36/185; (IPC1-7): A61K35/78; A61K31/352; B01D11/02
Domestic Patent References:
| WO2003063847A1 | 2003-08-07 | |||
| WO2002069993A1 | 2002-09-12 | |||
| WO2002032420A1 | 2002-04-25 | |||
| WO2002064109A2 | 2002-08-22 | |||
| WO2002089945A2 | 2002-11-14 |
Foreign References:
| GB2377633A | 2003-01-22 |
Other References:
WHITTLE BRIAN A. ET AL: "Yield and consistency of cannabinoids in Cannabis", JOURNAL OF PHARMACY AND PHARMACOLOGY, 137TH BRITISH PHARMACEUTICAL CONFERENCE, vol. 52, no. SUPPLEMENT, 10 September 2000 (2000-09-10) - 13 September 2000 (2000-09-13), ENGLAND, UK, pages 271, XP009021781, ISSN: 0022-3573
YOTORIYAMA M. ET AL: "COMPARISON OF PHARMACOLOGICAL ACTIVITY IN MICE OF DIFFERENT CANNABIS EXTRACTS FROM CBDA AND THCA STRAINS", JAPANESE JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH, vol. 37, no. 6, 1991, TOKYO, JP, pages 507 - 511, XP009010606, ISSN: 0013-273X
YOTORIYAMA M. ET AL: "COMPARISON OF PHARMACOLOGICAL ACTIVITY IN MICE OF DIFFERENT CANNABIS EXTRACTS FROM CBDA AND THCA STRAINS", JAPANESE JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH, vol. 37, no. 6, 1991, TOKYO, JP, pages 507 - 511, XP009010606, ISSN: 0013-273X
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