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Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function

Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function - Beneficial Effects of Konjac-derived Glucosylceramide on Cognitive function

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000051463
Enrollment
40
Registered
2023-07-03
Start date
2023-07-06
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 adult

Interventions

Daily ingestion of test food 1 for 24 weeks. Daily ingestion of test food 2 for 24 weeks. Daily ingestion of test food 3 for 24 weeks. Daily ingestion of placebo food for 24 weeks.

Sponsors

Hokkaido Information University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Subjects who agree to participate in this study with a written informed consent. 2. Japanese males and females between 60 and 80 years old at the time of screening test. 3. Subjects who are aware of their cognitive decline, such as forgetfulness. 4. Subjects with relatively low total MoCA-J score at the time of screening test. 5. Subjects who can carry out cognitive function test, write diary and questionnaire.

Exclusion criteria

Exclusion criteria: 1. Subjects whose total MMSE score is <= 23 points. 2. Subjects who are under medication for dementia, Alzheimer's disease, psychiatric disorder and cerebrovascular disease. 3. Subjects with a history or suspected of psychiatric disorder and cerebrovascular disease. 4. Subjects with implantable electronic medical devices. 5. Subjects with serious cerebrovascular, cardiac, hepatic, renal, gastrointestinal, respiratory diseases, and/or affected with infectious diseases requiring reports to the authorities. 6. Subjects with major surgical history relevant to the digestive system. 7. Subjects with unusually high and/or low blood pressure, abnormal physical data and/or abnormal hematological data. 8. Subjects with severe anemia. 9. Pre- or post-menopausal women complaining of obvious physical changes. 10. Subjects with dysphagia. 11. Subjects who may have allergic reactions to drugs, foods or plants (especially gelatin, mango, urushi, pistachio, cashew nut, latex rubber and birch). 12. Subjects who regularly take medicine, functional foods which would affect cognitive function. 13. Heavy smokers, alcohol addicts or subjects with disordered lifestyle. 14. Subjects who donated either 400 ml whole blood within 16 weeks (women), 12 weeks (men), 200 ml whole blood within 4 weeks (men and women), or blood components within 2 weeks (men and women), prior to the current study. 15. Subjects who currently participate in other clinical trials, or participated within the last 4 weeks prior to the current study. 16. Any other medical and/or health reasons unfavorable to participation in the current study, as judged by the principal investigator.

Design outcomes

Primary

MeasureTime frame
Cognitive assessment (MoCA-J, logical memory I and II of the WMS-R, digit symbol substitution test of the WAIS-IV, S-PA) and blood amyloid-beta composite biomarker after 24 weeks of ingestion.

Secondary

MeasureTime frame
Mental activity assessment, blood amyloid-beta binding exosomes, blood sphingolipids

Countries

Japan

Contacts

Public ContactNaoyuki HONMA

Hokkaido Information University Health Information Science Center

hisc-acad.res@s.do-johodai.ac.jp011-385-4430

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Sep 11, 2026