Skip to content

A study of the effect of test-food on testosterone production and cognitive function in adult women and men.

A study of the effect of test-food on testosterone production and cognitive function in adult women and men. - A study of the effect of test-food on testosterone production and cognitive function in adult women and men.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000058200
Enrollment
29
Registered
2025-06-17
Start date
2025-06-18
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 volunteer

Interventions

Intake of test-food (2 tablets) with (lukewarm) water, twice daily, for 8 weeks.

Sponsors

DKS Co. Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.Men and women aged 35 to under 70 years at the time of providing consent to participate in the study. 2.Individuals whose written informed consent has been obtained. 3.Individuals judged appropriate for the study by the principal.

Exclusion criteria

Exclusion criteria: 1. Individuals with comorbid or suspected neurodegenerative diseases presenting dementia-like symptoms, such as Parkinson's disease, dementia with Lewy bodies, frontotemporal dementia, Huntington's disease, progressive supranuclear palsy, corticobasal degeneration, multiple system atrophy, or multiple sclerosis. 2.Individuals undergoing hormone replacement therapy, including testosterone replacement therapy. 3.Individuals with a history of treatment for psychiatric disorders, sleep apnea syndrome, diabetes, taste disorders, anemia, or other serious illnesses within the past year. 4.Individuals with a history or current diagnosis of serious hepatic, renal, cardiac, pulmonary, hematologic, or other systemic diseases. 5.Individuals with serious comorbid or past gastrointestinal diseases. 6.Individuals who may experience allergic reactions to silkworm (silk), mushrooms, or other foods or medications. 7.Individuals who are currently, or have within the past month, habitually consumed foods containing Cordyceps sinensis, or health functional foods, dietary supplements, Foods for Specified Health Uses (FOSHU), or other health foods that are highly enriched with ingredients suggested to have similar effects to the investigational product-such as Cordyceps sinensis, isoflavones, Pycnogenol, zinc, Korean ginseng, maca extract, coenzyme Q10, ginkgo biloba extract,or DHA/EPA-or individuals who plan to consume such products during the study period. 8.Pregnant or lactating women, or women who intend to become pregnant during the study period. 9.Individuals currently participating in another clinical trial or who have participated in another clinical trial within the past three months. 10.Individuals who are unable to attend the scheduled study visits. 11.Individuals who are unable to comply with the instructions of the principal investigator or clinical trial staff. 12.Any other individuals deemed inappropriate for participation by the principal investigator.

Design outcomes

Primary

MeasureTime frame
3D-Maze test

Secondary

MeasureTime frame
Testing for testosterone using saliva.

Countries

Japan

Contacts

Public ContactNoriaki Komori

DKS Co. Ltd Basic R&D Group R&D Department Life Sciences Headquarters

nkomori@dks-web.co.jp075-326-7572

Outcome results

None listed

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