title: Efficacy of Ginkgo biloba in 90 outpatients with cerebral insufficiency caused by old age Results of a placebo-controlled double-blind trial.
abstract: The efficacy of the Ginkgo biloba special extract LI 1370 was tested in a double-blind trial comprising 90 outpatients with cerebral insufficiency. The average age of the patients was 62.7 years. The trial was conducted over a period of 12 weeks. Significant improvements in the patient's performance were observed under verum compared to the placebo preparation which was administered to a control group of patients among which the relevant disorder were distributed homogeneously. The effects of the preparation were recorded in respect of specific performance parameters and are summarized as follows: - Stabilization of time intervals in respect of the quality of information processing processes. It was shown by the study that the test preparation should be used over a minimum period of time, since improvements of some of the parameters were not observed until the 6th week of treatment. The clinical efficacy of LI 1370 was clearly established.
authors.affiliation: Department of Neurology/Psychiatry, Evangelisches Krankenhaus Königin Elisabeth Herzberge, Herzbergstraße 79, 10365 Berlin (FRG).
authors.forename: J
authors.initials: J
authors.lastname: Vesper
authors.forename: K D
authors.initials: KD
authors.lastname: Hänsgen