A verification study of the test food intake on immune function.

A verification study of the test food intake on immune function, a randomized, double-blind, placebo-controlled, parallel study. - A verification study of the test food intake on immune function.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060140

Enrollment

Registered

2026-04-01

Start date

2025-12-01

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

To verify the effects of consumption of the test food on immune function in healthy Japanese subjects.

Interventions

Duration: 8 weeks Test food: Tablet containing plant extract Administration: Take 1 capsule per day. Daily dose should be taken within the day. If you forget to take the test food, take it as soon

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Japanese 2. Men or women 3. Subjects aged 20 or more 4. Healthy subjects 5. Subjects who are judged as eligible to participate in study by the physician

Exclusion criteria

Exclusion criteria: 1. Subjects who are undergoing medical treatment or have a medical history of malignant tumor, heart failure, and myocardial infarction 2. Subjects who have a pacemaker or an implantable cardioverter defibrillator (ICD) 3. Subjects who currently undergoing treatment for any of the following chronic disease: cardiac arrhythmia, liver disorder, kidney disorder, cerebrovascular disorder, rheumatism, diabetes mellitus, dyslipidemia, hypertension, or any other chronic diseases 4. Subjects who take "Foods for Specified Health Uses," "Foods with Functional Claims," or other functional food/beverage in daily use 5. Subjects who currently taking medications (including herbal medicines) and supplements 6. Subjects who are allergic to medicines and/or the test food related products 7. Subjects who are pregnant, lactation, or planning to become pregnant 8. Subjects who have been enrolled in other clinical trials within the last 28 days before the agreement to participate in this trial or plan to participate another trial during this trial 9. Subjects who are judged as ineligible to participate in the study by the physician 10. Subjects who have been vaccinated against influenza within three months 11. Subjects who suffer from COVID-19

Design outcomes

Primary

Measure	Time frame
Cold symptom score	—

Secondary

Measure	Time frame
Major immune marker	—

Countries

Japan

Contacts

Public ContactHIROSHI SHIMODA

Oryza Oil & Fat Chemical Co. Ltd. R&D

kaihatsu@mri.biglobe.ne.jp0586-86-5141

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 19, 2026