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A systematic review of the effects of oral oenothein B intake on visceral fat, body weight, and body mass index (BMI)/ updated version

A systematic review of the effects of oral oenothein B intake on visceral fat, body weight, and body mass index (BMI)/ updated version - A systematic review of oenothein B/ updated version

Status
Active, not recruiting
Phases
Unknown
Study type
Unknown
Source
JPRN
Registry ID
JPRN-UMIN000057837
Enrollment
Unknown
Registered
2025-05-12
Start date
2025-05-13
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

None listed

Sponsors

Nagaoka Co., Ltd.
Lead Sponsor
Evaluation Center of Health and Nutrition Inc.
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Participants (P): Healthy adults (excluding pregnant and lactating women) with a BMI of 23 or higher and less than 30, who do not fall outside the scope of subjects eligible for Food for Specified Health Uses. Intervention (I): Oral intake of test food containing oenothein B. Comparison (C): Intake of placebo (control) food not containing oenothein B. Outcomes (O): Reduction in visceral fat, body weight, and BMI. Study Design (S): Randomized double-blind placebo-controlled trial (RCT) with parallel-group comparison or crossover comparison. Publication format: Peer-reviewed original articles, systematic reviews, or meta-analysis reports only. However, results published in clinical trial registration databases are included. Unpeer-reviewed reports are limited to those with detailed content, such as doctoral theses or reports similar to statistical white papers issued by public institutions.

Exclusion criteria

Exclusion criteria: Reports that are not clinical trials involving humans. Reports that do not meet the above PICOS criteria. Reports that do not meet the above report characteristics. Reports without a control group. Reports that did not evaluate the efficacy of oenothein B alone.

Design outcomes

Primary

MeasureTime frame
Visceral fat area Body weight BMI

Countries

Japan

Contacts

Public ContactOffice

Nagaoka Co., Ltd. Research and Development Center

mail@npc-nagaoka.co.jp072-623-5252

Outcome results

None listed

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