The exploratory research on improvements in the gastrointestinal function of the algae food intake a randomized, double-blind, placebo-controlled, parallel-group study

The exploratory research on improvements in the gastrointestinal function of the algae food intake a randomized, double-blind, placebo-controlled, parallel-group study - The beneficial effect of the algal food intake on human gastrointestinal function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039201

Enrollment

Registered

2020-12-01

Start date

2020-02-19

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) Japanese, adult, male subjects aged =>20 years at the time of informed consent (2) It is less than 25 more than BMI18. (3) Individuals who has trends of diahhrea. (4)Individuals who are healthy and are not suffered from a chronic malady. (5)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 uses commercially available drug or a quasi-drugs, for the prevention and treatment of diarrhea with abdominal pain and abdominal discomfort, on a daily basis. (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 irregular or disturbed life style such as night shifts. (8)Individuals who are receiving treatment at a medical institution or those who judged to be in the relevant condition requires treatment. (9)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. (10)Individuals who have history of alcohol and drug dependence. (11)Individuals who have participated in other clinical studies within the past 4 weeks and/or who plan to participate in the other clinical tests . (12)Individuals judged inappropriate for the study by the principal

Design outcomes

Primary

Measure	Time frame
Bowel Survey	—

Secondary

Measure	Time frame
questionnaire salivary sIgA concentration	—

Countries

Japan

Contacts

Public ContactHiromu Okazawa

Tokyo University of Agriculture Faculty of Regional Environment Science

h1okazaw@nodai.ac.jp03-5477-2685

Outcome results

None listed

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