Safety and efficacy of polyphenols derived from Japanese chestnut peel

Safety and efficacy of polyphenols derived from Japanese chestnut peel - Safety and efficacy of polyphenols derived from Japanese chestnut peel

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010822

Enrollment

Registered

2013-05-28

Start date

2013-05-29

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

obesity

Interventions

An extract containing polyphenols derived from Japanese chestnut peel is administered for 8 weeks. Placebo controlled trial.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: - Age: more than or equal to 20 years at the time of providing informed consent - Individuals who have never experienced psychological and critical diseases. - Individuals who have the ability to provide written informed consent.

Exclusion criteria

Exclusion criteria: - Subjects who have an inappropriate clinical history for efficacy and safety assessment in the study (such as drug abuse, alcoholism, and the disease of heart, liver, kidney, lungs, eye, blood etc.) and who is taking any drugs. - Subjects judged to be inappropriate for the study by the investigator.

Design outcomes

Primary

Measure	Time frame
The primary endpoint is evaluation of safety as phase I trial. An evaluation of adverse events.	—

Secondary

Measure	Time frame
Efficacy for body composition as phase II study.	—

Countries

Japan

Contacts

Public ContactSeika Kamohara MD, PhD

DHC Corporation Division of Research Adviser

kamohara-seika@umin.ac.jp03-5442-3945

Outcome results

None listed

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