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Int J Clin Pharmacol Ther. 2002 May;40(5):188-97.

The efficacy of Ginkgo special extract EGb 761 in patients with tinnitus.

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  • 1Allgemeines Krankenhaus St. Georg. Hamburg, Germany.

Abstract

OBJECTIVE:

The objective of the present study in 60 patients with chronic tinnitus aurium was to confirm the efficacy of oral treatment with 2 x 80 mg Ginkgo special extract EGb 761 per day subsequent to 10-day EGb 761 infusion treatment.

METHODS:

Patients with chronic tinnitus aurium underwent 10 days of in-patient infusion treatment with 200 mg/day EGb 761, after which they were randomized to double-blind, oral out-patient treatment with either 2 x 80 mg/day EGb 761 or placebo, given over a scheduled treatment period of 12 weeks. The primary outcome measure was the change in tinnitus volume in the more severely affected ear during randomized treatment.

RESULTS:

Fifty-two of 60 patients (89.7%) completed the infusion treatment; complete sets of data were available for 40 (66.7%), 30 (50.0%) and 22 (36.7%) patients after 4, 8 and 12 weeks of randomized treatment, respectively. For the primary outcome measure, significant superiority of EGb 761 over placebo was demonstrated in the intention-to-treat analysis data set after 4, 8 and 12 weeks of out-patient treatment (p < 0.05, 1-tailed), although the absolute treatment group difference was moderate. The results were supported by the secondary outcome measures for efficacy (e.g. decreased hearing loss, improved self-assessment of subjective impairment). During out-patient treatment, there were no attributable adverse events under EGb 761.

CONCLUSIONS:

A combination of infusion therapy followed by oral administration of Ginkgo special extract EGb 761 appears to be effective and safe in alleviating the symptoms associated with tinnitus aurium.

PMID:
12051570
[PubMed - indexed for MEDLINE]
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