Efficacy study of oral astaxanthin to improve brain function for the middle aged and elderly
- Conditions
- Healthy adults
- Registration Number
- JPRN-UMIN000022299
- Lead Sponsor
- JX Nippon Oil & energy Corporation
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 60
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 who smoke, or quit smoking within one year before pre-inspection (6) Subjects with history of cranial nerve disease (7) Subjects with depressive symptoms or history of them (8) Subjects who are under hormone treatment or are diagnosed with menopause (9) Subjects who have some irregular schedules during the study, due to night work or something (10) Subjects who drink much alcohol (11) Subjects who have done brain function test before (12) Subjects who are under treatment of brain function, sleep or stress, 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 function, antioxidant, sleep or stress (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 ingredients of the test food (19) Subjects who are pregnant or lactating, or plan to become pregnant or lactate during the study (20) Subjects who are judged as unsuitable for the study because of lifestyle questionnaire (21) 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 Memory test of words, Recall test of words and Stroop test
- Secondary Outcome Measures
Name Time Method POMS VAS for fatigue Action of the bowels Serum concentration of astaxanthin