Effect of ingestion of test food on immune parameters and state of health of healthy adults in summer: a randomized, double-blinded, placebo-controlled trial.

Effect of ingestion of test food on immune parameters and state of health of healthy adults in summer: a randomized, double-blinded, placebo-controlled trial. - Effect of ingestion of test food on immune parameters and state of health of healthy adults in summer: a randomized, double-blinded, placebo-controlled trial.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000027405

Enrollment

300

Registered

2017-05-19

Start date

2017-05-22

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 Adults

Interventions

Ingestion of test food (high dose) for 12 weeks Ingestion of test food (low dose) for 12 weeks Ingestion of placebo for 12 weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Aged from 20 to 64 years old

Exclusion criteria

Exclusion criteria: 1) Subjects with chronic diseases 2) Subjects in pregnancy or breast-feeding 3) Subjects with milk allergy 4) Subjects who consume test food habitually 5) Subjects who have a history of serious disorders in liver, kidney, heart, lung, gastro-intestine, blood, endocrine system, or metabolic system etc. 6) Subjects who are judged inappropriate to this trial by the investigator

Design outcomes

Primary

Measure	Time frame
Immune parameters (natural killer cell cytotoxicity, Neutrophil phagocytic capacity, sIgA) State of health in summer (infectious diseases etc)	—

Secondary

Measure	Time frame
Balance of the autonomic nervous system Cortisol	—

Countries

Japan

Contacts

Public ContactMasahiko Kurokawa

Kyushu University of Health and Welfare Department of Biochemistry, Graduate School of Clinical Pharmacy

b2mk@phoenix.ac.jp0982-23-5574

Outcome results

None listed

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