Status:
COMPLETED
Effects of Tea Catechin Extracts on Oxidative Damage
Lead Sponsor:
University of Shizuoka
Conditions:
Healthy
Eligibility:
All Genders
40-65 years
Phase:
NA
Brief Summary
The purpose of this study is to clarify the effects of tea catechin extracts on the frequency changes of micronuclei in peripheral lymphocytes compared with other oxidative stress markers in late midd...
Detailed Description
Experimental studies have revealed that tea catechin extracts induce preventive effects on oxidative stress, but there have been few clinical trials conducted to verify the effects. Also, there have b...
Eligibility Criteria
Inclusion
- aged 40 to 65 years old
- healthy volunteers
- obtained written informed concent before participation
Exclusion
- participant who is not able to refrain from drinking tea for 2 weeks during the study
- participant taking supplements or herbal products including folate, vitamin B, C, E, coenzyme Q10, calcium, for 2 weeks before the study
- participant taking supplements or herbal products including folate, vitamin E for 3 months before the study
- participant possessing tea allergy
Key Trial Info
Start Date :
June 1 2007
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2012
Estimated Enrollment :
40 Patients enrolled
Trial Details
Trial ID
NCT00448513
Start Date
June 1 2007
End Date
April 1 2012
Last Update
July 16 2013
Active Locations (1)
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1
Shizuoka General Hospital
Shizuoka, Shizuoka, Japan, 420-0881