Skip to content

A study to confirm the effect of continuous ingestion of bifidobacteria and dietary fiber-containing beverages to improve cognitive function: A randomized, double-blind, placebo-controlled, parallel group comparison study.

A study to confirm the effect of continuous ingestion of bifidobacteria and dietary fiber-containing beverages to improve cognitive function: A randomized, double-blind, placebo-controlled, parallel group comparison study. - A study to confirm the effect of continuous ingestion of bifidobacteria and dietary fiber-containing beverages to improve cognitive function.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000048386
Enrollment
80
Registered
2023-11-01
Start date
2022-08-25
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

Sponsors

KSO Corporation
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Males and females from 50 to 79 years old at the time of the informed. 2.Subjects who get 24 or more in score of Mini Mental State Examination-Japanese (MMSE-J) , 17 or more in score of Montreal Cognitive Assessment-Japanese version (Moca-J) and 5 or less in score of The Geriatric Depression Scale-Short Form-Japanese (GDS-S-J). 3. Subjects who have the subjective symptom of forgetfulness, or who have been pointed out by relatives or acquaintances that they have objective symptoms of forgetfulness. 4. Subjects who has received sufficient explanation of the purpose and content of the research, is capable of giving informed consent, voluntarily volunteers to participate in the research, and consents to participate in the research in writing.

Exclusion criteria

Exclusion criteria: 1. Subjects who are in the hospital or have a history of mental disorders (including depressive symptoms), cerebrovascular diseases, and sleep disorders. 2. Subjects who with severe liver, kidney, heart, respiratory organs, endocrine and metabolic diseases. 3. Smokers. 4. Alcohol addicts (those who drink 60 g or more of pure alcohol every day) and subjects with extremely irregular eating habits. 5. Subjects who cannot comply with restrictions on foods and supplements that affect the intestinal environment during in this study. 6. Subjects who took antibiotics within one month from the start date of this study. 7. Subjects who have undergone gastrointestinal surgery (excluding appendicitis). 8. Subjects who have experienced allergies to research food ingredients. 9. Subjects who taking medications (antipsychotics, anxiolytics, antidepressants, anti-Parkinson's diseases, antidepressants, antiepileptic drugs, anti-blood coagulants, etc.) that may affect cognitive function. 10. Subjects with impaired cognitive function tests due to impaired eyesight and hearing. 11. Subjects who routinely take foods and supplements that may affect cognitive function. 12. Subjects with current or a history of drug or alcohol dependence. 13. Subjects who are participating in research on ingestion of other foods or using medicines, research on applying cosmetics and medicines, subjects who participate in other research while participating in this study. 14. Subjects who are considered as an inappropriate candidate by the doctor in charge.

Design outcomes

Primary

MeasureTime frame
Cognitrax after 12 weeks of ingestion

Secondary

MeasureTime frame
Cognitrax after 8 weeks of ingestion SF-36 Fecal bifidobacteria Blood inflammatory marker Blood BDNF

Countries

Japan

Contacts

Public ContactEiji Yoshikawa

KSO Corporation Clinical Trial Management department

eigyou@kso.co.jp03-3452-7733

Outcome results

None listed

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