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A Study for the effect of Bifidobacterium-containing food intake on cognitive function for healthy elderly subject

A Study for the effect of Bifidobacterium-containing food intake on cognitive function for healthy elderly subject - A Study for the effect of Bifidobacterium-containing food intake on cognitive function

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000033917
Enrollment
60
Registered
2018-08-28
Start date
2018-08-29
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None (Healthy adult)

Interventions

Ingestion of Bifidobacterium-containing food for 12 consecutive weeks Ingestion of placebo for 12 consecutive weeks

Sponsors

TTC Co., Ltd
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Healthy male and female aged from 50 to 69 2)Subjects with self-awareness of forgetfulness 3)Subjects with inferior scores of cognitive function tests

Exclusion criteria

Exclusion criteria: 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 with history of cranial nerve disease 5)Subjects who are under treatment of cognitive functions, or are prescribed with medicine for them 6)Subjects who are suspected dementia 7)Subjects who have depressive symptoms, or who have been diagnosed as depressive disorder 8)Subjects who are under hormone treatment or who have been diagnosed as menopausal symptoms 9) Subjects who have a pain or disease that troubles with keystrokes 10)Subjects who have some irregular schedules during the study, due to night work or something 11)Subjects who drink much alcohol 12)Subjects who smoke, or quit smoking within one year before pre-inspection 13)Subjects who have done the same cognitive function test within one yea4 14)Subjects who continuously take medicine, health foods related to cognitive functions and/or rich in lactic acid bacteria 15)Subjects who was given or donated 200 ml or 400 ml whole blood within three months before pre-inspection 16)Subjects who participated in other study within one month before pre-inspection, or are going to participate in other study during the study 17)Subjects who have a disease which needs regular medication, or have a history of the disease 18)Subjects who are judged as unsuitable for the study by investigator because of clinical test, anthropometric test and physical examination in pre-inspection 19)Subjects who have possibilities for emerging allergy onset related to 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

Design outcomes

Primary

MeasureTime frame
Cognitrax (memory) at 12 week ingestion

Secondary

MeasureTime frame
Cognitrax (others) and BDNF at 12 week ingestion

Countries

Japan

Contacts

Public ContactTakashi Nakagawa

TTC Co., Ltd. Clinical Research Planning Department

t.nakagawa@ttc-tokyo.co.jp03-5459-5329

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026