Effects of green tea catechin consumption on plasma adiponectin levels: a randomized controlled trial.

UMIN ID: UMIN000000742

Registered date:22/06/2007

Basic Information

• Recruitment status: Complete: follow-up complete
• Health condition(s) or Problem(s) studied: Men and women who wish to improve their lifestyle aged 20 to 79 years without history of cancer, myocardial infarction, cerebrovascular disease, and renal disease.
• Date of first enrollment: 2007/06/01
• Target sample size: 60
• Countries of recruitment: Japan
• Study type: Interventional

Intervention(s)

High tea catechin concentration group (400mg/day ): Study participants drink green tea with high tea catechin concentration during nine weeks after quitted drinking of green tea during one week.
Low tea catechin concentration group (100mg/day ): Study participants drink green tea with low tea catechin concentration during nine weeks after quitted drinking of green tea during one week.

Outcome(s)

• Primary Outcome: Plasma diponectin levels.
• Secondary Outcome: High-sensitive C-reactive protein, total cholesterol, triglyceride, HDL cholesterol, LDL cholesterol, aspartate aminotransferase, alanine aminotransferase, gamma-glutamyl transpeptidase, blood glucose, blood pressure, waist, and body mass index.

Key inclusion & exclusion criteria

• Age minimum: 20years-old
• Age maximum: 79years-old
• Gender: Male and Female
• Exclude criteria: Persons with history of cancer, myocardial infarction, cerebrovascular disease, or renal disease.

Related Information

• Primary Sponsor: Division of Epidemiology, Department of Public Health and Forensic Medicine, Tohoku University Graduate School of Medicine
• Source(s) of Monetary Support: Grant-in-Aid for Exploratory Research