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This database contains 14 studies, archived under the term: "plant extracts"

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Comparison of integrated traditional Chinese and western medicine therapy on vascular cognitive impairment with no dementia

The aim of this study was to investigate the clinical effect of western medicine therapy assisted by Ginkgo biloba tablets (GBT) in patients with vascular cognitive impairment with no dementia (VCIND). Eighty patients with VCIND were randomly divided into two groups: the conventional treatment group (control group) and the combined treatment group. The conventional treatment […]

Diverse effects of a low dose supplement of lipidated curcumin in healthy middle aged people

Background: Curcumin extracts of turmeric are proposed to produce health benefits. To date, human intervention studies have focused mainly on people with existing health problems given high doses of poorly absorbed curcumin. The purpose of the current study was to check whether in healthy people, a low dose of a lipidated curcumin extract could alter […]

Improvement in delusions and hallucinations in patients with dementia with Lewy bodies upon administration of yokukansan, a traditional Japanese medicine

Background: This multicentre open-label trial examined the efficacy and safety of the traditional Japanese medicine, or Kampo medicine, yokukansan (YKS), for behavioural and psychological symptoms of dementia (BPSD) in patients with dementia with Lewy bodies.; Methods: Sixty-three dementia with Lewy bodies patients with probable BPSD (M:W, 30:33; mean age, 78.2±5.8 years) were enrolled and treated […]

Efficacy and tolerability of a once daily formulation of Ginkgo biloba extract EGb 761® in Alzheimer’s disease and vascular dementia: results from a randomised controlled trial

Introduction: A 24-week randomised controlled trial was conducted to assess the efficacy of a 240 mg once-daily preparation of Ginkgo biloba extract EGb 761® in 404 outpatients ≥ 50 years diagnosed with mild to moderate dementia (SKT 9-23), Alzheimer’s disease (AD) or vascular dementia (VaD), with neuropsychiatric features (NPI total score ≥ 5).; Methods: Separate […]

Ginkgo biloba extract EGb 761® in dementia with neuropsychiatric features: a randomised, placebo-controlled trial to confirm the efficacy and safety of a daily dose of 240 mg

A multi-centre, double-blind, randomised, placebo-controlled, 24-week trial with 410 outpatients was conducted to demonstrate efficacy and safety of a 240 mg once-daily formulation of Ginkgo biloba extract EGb 761(®) in patients with mild to moderate dementia (Alzheimer’s disease or vascular dementia) associated with neuropsychiatric symptoms. Patients scored 9 to 23 on the SKT cognitive battery, […]

Effects of yokukansan on behavioral and psychological symptoms of vascular dementia: an open-label trial

Previous clinical trials suggest that the traditional Japanese medicine yokukansan has beneficial effects on the behavioral and psychological symptoms of dementia (BPSD). The present study was conducted to elucidate the efficacy of yokukansan on BPSD in patients with vascular dementia. Thirteen Japanese patients (9 men and 4 women) who were diagnosed as having vascular dementia […]

A combination of green tea extract and l-theanine improves memory and attention in subjects with mild cognitive impairment: a double-blind placebo-controlled study

A combination of green tea extract and l-theanine (LGNC-07) has been reported to have beneficial effects on cognition in animal studies. In this randomized, double-blind, placebo-controlled study, the effect of LGNC-07 on memory and attention in subjects with mild cognitive impairment (MCI) was investigated. Ninety-one MCI subjects whose Mini Mental State Examination-K (MMSE-K) scores were […]

Effect of ferulic acid and Angelica archangelica extract on behavioral and psychological symptoms of dementia in frontotemporal lobar degeneration and dementia with Lewy bodies

Aim: The behavioral and psychological symptoms of dementia place a heavy burden on caregivers. Antipsychotic drugs, though used to reduce the symptoms, frequently decrease patients’ activities of daily living and reduce their quality of life. Recently, it was suggested that ferulic acid is an effective treatment for behavioral and psychological symptoms. We have also reported […]

A 22-week, multicenter, randomized, double-blind controlled trial of Crocus sativus in the treatment of mild-to-moderate Alzheimer’s disease

Rationale: There is increasing evidence to suggest the possible efficacy of Crocus sativus (saffron) in the management of Alzheimer’s disease (AD).; Objective: The purpose of the present investigation was to assess the efficacy of C. sativus in the treatment of patients with mild-to-moderate AD.; Methods: Fifty-four Persian-speaking adults 55 years of age or older who […]

Safety and effectiveness of a traditional ginkgo fresh plant extract – results from a clinical trial

Background: In Chinese medicine, Ginkgo biloba is used for a variety of indications. In the current study, the safety and efficacy of a traditional fresh plant extract was investigated in patients with mild cognitive impairment.; Patients and Methods: 59 elderly patients were treated for 6 weeks with a twice daily tablet containing 90 mg of […]

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