Blackcurrant Foods for Managing Human Carbohydrate Metabolism and Cognitive Wellness

Blackcurrant Foods for Managing Human Carbohydrate Metabolism and Cognitive Wellness - Blackcurrant Foods for Managing Human Carbohydrate Metabolism and Cognitive Wellness

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000026078

Enrollment

Registered

2017-02-10

Start date

2016-08-13

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

Blackcurrant 6 g/day for 4 weeks No treatment

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Persons who give written informed consent, and have full ethical and regulatory approval 2. Persons who are Japanese and 50-89 years

Exclusion criteria

Exclusion criteria: 1. Persons who are allergic to blackcurrant 2. Persons who took blackcurrant products daily in large quantity 3. Persons who take pharmaceuticals, dairy supplement, health-promoting diet and health food for the purpose of health maintenance related to this trial 4. Persons who were enrolled into other clinical trials within the last one month before agreeing to participate in this trial 5. Persons who are judged unsuitable for participating in this trial by physician

Design outcomes

Primary

Measure	Time frame
BDNF value after 4 weeks ingestion	—

Secondary

Measure	Time frame
Blood biochemistry, oxidative stress marker, inflammation marker after 4 weeks ingestion	—

Countries

Japan

Contacts

Public ContactHirohito Ishikawa

Healthcare Systems Co., Ltd. Research and Development

ishikawa@hc-sys.jp03-6809-2722

Outcome results

None listed

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