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A Study on cognitive function improving effect for adult healthy men and women

A Study on cognitive function improving effect for adult healthy men and women - A Study on cognitive function improving effect for adult healthy men and women

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000029559
Enrollment
40
Registered
2018-12-20
Start date
2017-10-24
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 adults)

Interventions

Ingestion of a test food for 20 consecutive weeks Ingestion of placebo for 20 consecutive weeks

Sponsors

TTC Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Male and female aged 50 and older 2) Subjects with self-awareness of forgetfulness but who are judged healthy by a doctor 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 have depressive symptoms, or who have been diagnosed as depressive disorder 7) Subjects who diagnosed with dementia or MCI by a doctor at screening test 8) Subjects who are under hormone treatment or are diagnosed with menopause 9) Subjects who have a pain or disease at wrist or arm 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 screening test 13) Subjects who have done the same cognitive function test within one year before screening test 14) Subjects who continuously take medicine, health foods, Food for Specified Health Uses or Foods with Function Claims including substance related to cognitive functions 15) Subjects who was given or donated 200 mL or 400 mL of whole blood within three months before screening test 16) Subjects who participated in other study within one month before screening test, 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 screening test 19) Subjects who are in danger of allergy 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
Tests for memory functions

Secondary

MeasureTime frame
Tests for memory functions Tests for attention functions Tests for executive functions Questionnaires

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