Standardized Ginkgo Biloba Extract in the Treatment of Vertigo and/or Tinnitus: A Review of the Literature
Open Access
- 1 January 2021
- journal article
- review article
- Published by Scientific Research Publishing, Inc. in Advances in Aging Research
- Vol. 10 (02), 31-57
- https://doi.org/10.4236/aar.2021.102002
Abstract
Standardized Ginkgo biloba extract (GBE) is an established herbal treatment used for a variety of indications, including vertigo and/or tinnitus. The evidence base in human clinical studies for a clear benefit of GBE in vertigo and/or tinnitus is limited and contradictory due to poor reporting as well as variations in study quality and outcome measures used. The aim of this review is to identify and discuss the rationale for using GBE in the treatment of vertigo and/or tinnitus based on the known pleiotropic actions of GBE and the pathophysiology of vertigo and/or tinnitus. The rationale will be substantiated by a review of the literature in order to identify and evaluate clinical trials investigating the efficacy of GBE in individuals with vertigo and/or tinnitus. The review identified randomized controlled trials (RCTs) investigating the effectiveness of GBE in vertigo and/or tinnitus published in PubMed up to 1st January 2020. In total, 17 RCTs were included 8 of the 9 studies investigating tinnitus and/or vertigo/dizziness found improvements, and 6 of 8 included studies investigating solely tinnitus showed positive effects. Based on the known mechanisms of action of GBE as well as evidence from animal models and human clinical trials identified in this review, GBE is a rational alternative treatment that might provide benefits to individuals with vertigo and/or tinnitus. However, further well-defined RCTs in patients with defined pathological entities are necessary to further substantiate the beneficial effects of GBE for vertigo and/or tinnitus.Keywords
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