Examination of the effects of vegetable oil intake on immunity and mental and physical QOL

Examination of the effects of vegetable oil intake on immunity and mental and physical QOL (motivation, cognition, etc.) for healthy adult men and women who are worried about mental and physical deterioration due to aging - Examination of the effects of vegetable oil intake on immunity and mental and physical QOL (motivation, cognition, etc.) for healthy adult men and women who are worried about mental and physical deterioration due to aging

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041980

Enrollment

Registered

2021-12-27

Start date

2020-10-05

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

Healthy adult

Interventions

Ingest vegetable oil for 8 consecutive weeks Ingest placebo for 8 consecutive weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Healthy males and females from 40 years of age (2) Subjects who are aware of the deterioration of memory due to aging (3) Subjects with inferior scores of primary outcome (4) Subjects with inferior score on the questionnaire

Exclusion criteria

Exclusion criteria: (1) Subjects who regularly use health foods, etc. that contain many ingredients that may affect research results (2) Subjects who have symptoms that affect the performance of the test (3) Subjects having a disease requiring treatment or a history of serious diseases for which medication was required (4) Subjects who have been diagnosed as menopausal symptoms (5) Subjects who have depressive symptoms, or who have been diagnosed as depressive disorder (6) Subjects who take medications that may affect research results (7) Subjects who have diseases requiring regular administration, or who have severe diseases (8) Subjects who sometimes have irregular lifestyles during the study (9) Smokers or subjects who started smoking cessation within 12 months (10) Subjects who have performed the same tests as the primary endpoint of this study within 12 months (11) Subjects who have done blood transfusion or blood donation within 3 months (12) Subjects who have participated in other clinical studies within 1 month, or who are planning to participate in other clinical studies during this study (13) Subjects who are, or are planning to be pregnant or breastfeeding during study (14) Subjects who are judged as unsuitable by doctor for laboratory value, anthropometric measurements, or physical examination value (15) Subjects who are at risk of developing allergies related to research (16) Subjects who are judged as unsuitable due to lifestyle questionnaire (17) Subjects who are judged as unsuitable by doctor for other reasons

Design outcomes

Primary

Measure	Time frame
PASAT and Stroop before and after 8 weeks	—

Secondary

Measure	Time frame
s-IgA and SF-36 before and after 8 weeks	—

Countries

Japan

Contacts

Public ContactKotoha Isobe

TTC Co., Ltd. Clinical Research Planning Department

k.isobe@ttc-tokyo.co.jp03-5459-5329

Outcome results

None listed

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