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A study on the effects of LPS-containing foods on immune function

A study on the effects of 8-week continuous intake of LPS-containing foods on immune function in a parallel-group randomized, double-blind trial in healthy adults - A study on the effects of 8-week continuous intake of LPS-containing foods on immune function in a double-blind trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000046154
Enrollment
30
Registered
2021-11-25
Start date
2021-12-13
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 person

Interventions

Sponsors

Innate Immune Network
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Subjects who have received at least two doses of the new coronary vaccine at the time of intake and at least four weeks have passed since the most recent vaccination date. 2)Those who have received an explanation of the study in advance, understand its contents, and agree to participate in the study.

Exclusion criteria

Exclusion criteria: 1)Those who are currently taking medication or visiting a hospital for treatment of any disease. 2)Those who are currently undergoing exercise or diet therapy under the supervision of a physician. 3)Those who may develop allergies to the test food. 4)Pregnant women and lactating women. 5)Those who are using medicines (antibiotics, immunosuppressive drugs, anti-inflammatory drugs, anti-rheumatic drugs, antihistamines, antiallergic drugs, lactobacillus preparations, etc.) that the physician in charge of the study judges may affect their participation in the study. 6)Those who are unable to stop eating foods that the physician in charge of the study judges may affect their participation in the study (health foods that may affect immune function, etc.) during the study period. 7)Those who are participating or planning to participate in other clinical trials. 8)Those who have donated 400 mL or more of blood at least three months prior to the date of consent, or 200 mL or more at least one month prior to the date of consent. 9)Those who are judged by the physician in charge of the study to be unsuitable for participation in the study.

Design outcomes

Primary

MeasureTime frame
Wisconsin upper respiratory symptom survey-21 (WURSS-21)

Secondary

MeasureTime frame
1)Phagocytic activity of peripheral blood cell, mCSF1 gene expression of peripheral blood leukocytes 2)Amount of IgA in saliva 3)Number of immune cells 4)Hematology examination 5)Biochemical test 6)Subjective symptoms questionnaire 7)Height, Weight, BMI

Countries

Japan

Contacts

Public ContactYuko Nakamoto

Innate Immune Network Secretariat

npolsinlsin@lsin.org087-813-9201

Outcome results

None listed

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