Randomized double-blind study for the effect of kosen-cha on obese subjects

Randomized double-blind study for the effect of kosen-cha on obese subjects - Randomized double-blind study for the effect of kosen-cha on obese subjects

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020068

Enrollment

Registered

2015-12-04

Start date

2015-11-25

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 volunteers with obesity

Interventions

Kosen-cha 5g tea leaf/1L/day, 12 weeks Placebo 5g tea leaf/1L/day, 12 weeks

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The healthy volunteers with obesity (BMI 25-30)

Exclusion criteria

Exclusion criteria: 1. Subjects who are under pharmacological therapy 2. Subjects with chronic diseases 3. Pregnancy and nursing 4. Subjects who participate in other clinical trials at the time of this study entry 5. Smoking 6. Subjects who are drinking catechin-riched drink 7. Cancer 8. Serious liver diseases 9. High serum creatine 10. etc

Design outcomes

Primary

Measure	Time frame
Body weight, body mass index, waist circumstance, visceral fat area after drinking kosen-cha for 6 or 12 weeks	—

Secondary

Measure	Time frame
Blood pressure, pulse rate, Hematological and biochemical evaluation by blood examination, bioactive molecules after drinking kosen-cha for 6 or 12 weeks	—

Countries

Japan

Contacts

Public ContactYasufumi Katanasaka

University of Shizuoka Division of Molecular Medicine, School of Pharmaceutical Sciences

Kosencha.test@gmail.com054-264-5766

Outcome results

None listed

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