Efficacy study of oral Ginkgo biloba extract to improve brain function for the middle aged and elderly
- Conditions
- Healthy adult
- Registration Number
- JPRN-UMIN000023990
- Lead Sponsor
- Itty, INC.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 44
Not provided
1) Subjects who are difficult to discriminate color 2) Subjects with bad eyesight, or are diagnosed with amblyopia or blindness 3) Subjects with bad hearing, or are diagnosed with hearing loss or permanent hearing loss 4) Subjects who get a score of 20 or less on the Revised HDS-R 5) Subjects with history of cranial nerve disease 6) Subjects who have depressive symptoms, or who have been diagnosed as depressive disorder 7) Subjects who are under hormone treatment or are diagnosed with menopause 8) Subjects who have some irregular schedules during the study, due to night work or something 9) Subjects who drink much alcohol 10) Subjects who smoke, or quit smoking within one year before pre-inspection 11) Subjects who have done the same brain function test before 12) Subjects who are under treatment of brain functions, or are prescribed with medicine for them 13) Subjects who continuously take medicine, health foods, Food for Specified Health Uses or Foods with Function Claims including substance related to brain functions 14) Subjects who was given or donated 200 ml or 400 ml whole blood within three months before pre-inspection 15) Subjects who participated in other study within one month before pre-inspection, or are going to participate in other study during the study 16) Subjects who have a disease which needs regular medication, or have a history of the disease 17) Subjects who are judged as unsuitable for the study by investigator because of clinical test, anthropometric test and physical examination in pre-inspection 18) Subjects who are in danger of allergy to the study 19) Subjects who are taking warfarin in the brain infarction or heart or need to take warfarin during the study 20) Subjects who are pregnant or lactating, or plan to become pregnant or lactate during the study 21) Subjects who are judged as unsuitable for the study because of lifestyle questionnaire 22) Subjects who are judged as unsuitable for the study by investigator for other reasons
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Rey Auditory Verbal Learning Test, Standard verbal paired-associate learning test, Paced Auditory Serial Addition Test
- Secondary Outcome Measures
Name Time Method Stroop test