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Systematic reviews of complementary therapies – an annotated bibliography. Part 2: Herbal medicine

Saller, R., Linde, K., ter Riet, G., Hondras, M., Vickers, A. and Melchart, D. (2001) Systematic reviews of complementary therapies – an annotated bibliography. Part 2: Herbal medicine. BMC Complementary and Alternative Medicine. ISSN 1472-6882

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Background Complementary therapies are widespread but controversial. We aim to provide a comprehensive collection and a summary of systematic reviews of clinical trials in three major complementary therapies (acupuncture, herbal medicine, homeopathy). This article is dealing with herbal medicine. Potentially relevant reviews were searched through the register of the Cochrane Complementary Medicine Field, the Cochrane Library, Medline, and bibliographies of articles and books. To be included articles had to review prospective clinical trials of herbal medicines; had to describe review methods explicitly; had to be published; and had to focus on treatment effects. Information on conditions, interventions, methods, results and conclusions was extracted using a pre-tested form and summarized descriptively. Results From a total of 79 potentially relevant reviews pre-selected in the screening process 58 met the inclusion criteria. Thirty of the reports reviewed ginkgo (for dementia, intermittent claudication, tinnitus, and macular degeneration), hypericum (for depression) or garlic preparations (for cardiovascular risk factors and lower limb atherosclerosis). The quality of primary studies was criticized in the majority of the reviews. Most reviews judged the available evidence as promising but definitive conclusions were rarely possible. Conclusions Systematic reviews are available on a broad range of herbal preparations prescribed for defined conditions. There is very little evidence on the effectiveness of herbalism as practised by specialist herbalists who combine herbs and use unconventional diagnosis.

Item Type: Article
Copyright, Publisher and Additional Information: © 2001 Linde et al; licensee BioMed Central Ltd. This is an Open Access article: verbatim copying and redistribution of this article are permitted in all media for any purpose, provided this notice is preserved along with the article's original URL.
Institution: The University of York
Academic Units: The University of York > Centre for Reviews and Dissemination (York)
Depositing User: Repository Officer
Date Deposited: 17 Feb 2006
Last Modified: 20 Jun 2016 23:06
Published Version: http://dx.doi.org/10.1186/1472-6882-1-5
Status: Published
Refereed: Yes
URI: http://eprints.whiterose.ac.uk/id/eprint/1039

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