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Wien Med Wochenschr. 2004 Nov;154(21-22):498-507.

Efficacy and safety of topically applied Symphytum herb extract cream in the treatment of ankle distortion: results of a randomized controlled clinical double blind study.

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  • 1Department for Sports Medicine and Rehabilitation, 2nd Medical Faculty of the Charles University Prague, Prague. miroslav.kucera@lfmotol.cuni.cz

Abstract

In a controlled, double blind, randomized multicentre study, the efficacy and safety of the topical comfrey product Traumaplant (10% active ingredient of a 2.5:1 aqueous ethanolic pressed juice of freshly harvested, cultivated comfrey herb (Symphytum x uplandicum NYMAN), corresponding to 25 g of fresh herb per 100 g of cream; n = 104) was tested against a 1% product (corresponding to 2.5 g of fresh comfrey herb in 100 g of cream; n = 99) in 203 patients with acute ankle distortion. With the high concentration, decrease of the scores for pain on active motion, pain at rest and functional impairment was highly significant and clinically relevant on days T3-4 as well as T7 (p < 0.001). Amelioration of swellings as compared to reference was also significant on day 3-4 (p < 0.01). Efficacy was judged good to excellent in 85.6% of cases with verum and in 65.7% of cases with reference on day 3-4. Overall tolerability was excellent.

PMID:
15638067
[PubMed - indexed for MEDLINE]
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