The exploratory research on improvements in the immune system of the algae food intake A randomized, placebo-controlled, double-blind cross-over trial

The exploratory research on improvements in the immune system of the algae food intake A randomized, placebo-controlled, double-blind cross-over trial - The research on improvements in the immune system of the algae food intake

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029388

Enrollment

Registered

2018-10-01

Start date

2017-10-03

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 individual

Interventions

algal food placebo control food

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: (1)Healty people who are 30 or more to less than 70 years old with experiencing fatigue and stress. (2)male. (3)Those who tend to be in poor health condition. (4)Individuals who are healthy and are not suffered from a chronic malady. (5)Those who are not currently smoking cigarettes. (6)Those from whom a written consent can be obtained on a voluntary basis.

Exclusion criteria

Exclusion criteria: (1)Individuals using medical products. (2)Individuals who are prone to allergies for foods. (3)Individuals who intake laxatives, antiflatulent etc. aiming to improve bowel movements. (4)Individuals who have a serious disease history or current medical history (5)Individuals with serious anemia. (6)Individuals who changed health food within the past 4 weeks or who started using it newly. (7)Individuals who have been exposed to ultraviolet rays beyond their daily life within the past 4 weeks. (8)Individuals who have irregular or disturbed life style such as night shifts. (9)Individuals who are receiving treatment at a medical institution or those who judged to be in the relevant condition requires treatment. (10)Individuals who have the following medical history : severe diseases (such as sugar metabolism, lipid metabolism, liver function, renal function, heart, circulatory organs, respiratory organs, endocrine system, the nervous system), or psychiatric diseases. (11)Individuals who have history of alcohol and drug dependence. (12)Individuals who have participated in other clinical studies within the past 1 year. (13)Individuals judged inappropriate for the study by the principal.

Design outcomes

Primary

Measure	Time frame
Immune function	—

Secondary

Measure	Time frame
Efficacy Objective evaluation feeling questionnaire	—

Countries

Japan

Contacts

Public ContactOotani Kazuyoshi

KOBELCO ECO-SOULUTIONS CO.,LTD Algae Business Promotion Dept.

k.otani@kobelco-eco.co.jp078-232-8223

Outcome results

None listed

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