Efficacy of rivastigmine in comparison to ginkgo for treating Alzheimer's dementia.

Objectives: To assess the efficacy of the Ginkgo biloba in patients with dementia of the Alzheimer type in slowing down the disease's degenerative progression and the patients' cognitive impairment compared with rivastigmine.

Methods: Total 56 patients aged 50-75 years, suffering from dementia, were allocated into one of the two treatments: group 1) Ginkgo biloba (120 mg daily dose); group 2) rivastigmine (4.5 mg daily dose) in a 24-week randomized double blind study.