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A randomized, double-blind, placebo-controlled study of effect of green tea on lifestyle-related disease prevention

A randomized, double-blind, placebo-controlled study of effect of green tea on lifestyle-related disease prevention - Effect of green tea on lifestyle-related disease prevention

Status
Unknown
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001722
Enrollment
60
Registered
2009-02-21
Start date
2009-02-01
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

metabolic syndrome

Interventions

Ten capsules of green tea powder, three times a day (6g/day), for 12 weeks. Ten placebo capsules, three times a day (6g/day), for 12 weeks.

Sponsors

Kakegawa Research Council for application of green tea in preventive medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Is over 30 years old and under 75 years old and meets at least one of the followings; 1.BMI:23-35Kg/m2 2.Waist circumference: 85cm or more in males and 90cm or more in females

Exclusion criteria

Exclusion criteria: 1) Individuals with a medical record of heart failure or cardiac infarction. 2) Individuals judged to have atrial fibrillation, Irregular Heart Beat, hepatic damage, kidney damage, cerebrovascular accident, rheumatism, diabetes mellitus, lipid disorder and/or anemia. 3) Individuals with a medical record of allergy to food and drug. 4) Pregnant women, or women with intending to become pregnant, and lactating women. 5) Individuals judged by the doctor to be unsuitable.

Design outcomes

Primary

MeasureTime frame
1) body weight 2) HbA1c 3) LDL-cholesterol

Secondary

MeasureTime frame
1) Blood pressure, fat percentage, waist, BMI 2) FBS, insulin 3) Serum total cholesterol, HDL-cholesterol, triglycerides 4) Serum amyloid protein A, high sensitive C_reactive protein 5) Adiponectin, TNF-alfa, urine 8-OHdG

Countries

Japan

Contacts

Public ContactMitsuhiro Yamada

Kakegawa city Health Protection Section

Outcome results

None listed

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