A study for the effects of ingestion of food constituents derived from microorganism on health and work performance of office workers.

A study for the effects of ingestion of food constituents derived from microorganism on health and work performance of office workers. - A study for the effects of food constituents derived from microorganism on health and work performance.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000029950

Enrollment

400

Registered

2017-11-13

Start date

2017-11-16

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

None (Healthy adults)

Interventions

Ingestion of food constituents derived from microorganism Non-ingestion of food constituents derived from microorganism

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Males and females aged from 20 to less than 65 years old. (2)Individuals who work inside the office. (3)Individuals who give the informed consents in writing, after receiving enough explanation of the purpose and details of the study, understanding the study well, and deciding to attend the study with their own will.

Exclusion criteria

Exclusion criteria: (1)Individuals who have or had a serious disease (e.g., diabetes, liver disease, kidney disease, and/or heart disease), thyroid gland disease, adrenal gland disease, and/or metabolic disorder. (2)Individuals who have chronic diseases and use medicines continuously. (3)Individuals who declare the allergy symptoms against test food. (4)Individuals who have tendency to get diarrhea by eating test food. (5)Individuals who are participating or willing to participate in other clinical trials of food, pharmaceutical or cosmetic products. (6)Individuals who are pregnant, planning to be pregnant in test period or breastfeeding. (7)Individuals who are judged as unsuitable for the study based on the results of pre-questionnaire. (8)Individuals who are judged unsuitable for this study by the investigator for other reasons.

Design outcomes

Primary

Measure	Time frame
Health and work performance questionnaire	—

Secondary

Measure	Time frame
Mood, physical condition and skin condition questionnaire	—

Countries

Japan

Contacts

Public ContactMihoko Takuma

Yahoo Japan Corporation Good conditioning division

mtakuma@yahoo-corp.jp03-6898-7145

Outcome results

None listed

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