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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register.
Register: JPRN
Last refreshed on: 17 October 2023
Main ID:  JPRN-UMIN000026287
Date of registration: 24/02/2017
Prospective Registration: Yes
Primary sponsor: Miura Clinic, Medical Corporation Kanonkai
Public title: Effects of green tea and black tea extracts-containing dietary supplement intake on motor function : a randomized double-blind, parallel-group, placebo-controlled study
Scientific title: Effects of green tea and black tea extracts-containing dietary supplement intake on motor function : a randomized double-blind, parallel-group, placebo-controlled study - Effects of green tea and black tea extracts-containing dietary supplement intake on motor function
Date of first enrolment: 2017/02/27
Target sample size: 60
Recruitment status: Complete: follow-up complete
URL:  https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000030194
Study type:  Interventional
Study design:  Parallel Randomized  
Phase:  Not selected
Countries of recruitment
Japan
Contacts
Name:     Makoto Terashima
Address:  Higashitenma building 4F, 1-7-17, Higashitenma, Kita-ku, Osaka, Osaka Japan
Telephone: 06-4801-8917
Email: mterashima@oneness-sup.co.jp
Affiliation:  Oneness support Co., Ltd. Clinical trial Division
Name:     Koji Wakame
Address:  Maeda,Teine-ku,Sapporo,Hokkaido,006-8590 Japan
Telephone: 011-676-8682
Email: wakame-k@hokuytakudai.ac.jp
Affiliation:  Hokkaido Pharmaceutical University School of Pharmacy Pharmacology
Key inclusion & exclusion criteria
Inclusion criteria:
Exclusion criteria: (1) Subjects with diabetes, liver disease, kidney disease, gastrointestinal disease, peripheral vascular disease, or medical history for severe diseases (2) Subjects who are likely to have allergic symptoms due to components contained in the test food (3) Subjects who indicate disorder of heart and lung function (4) Subjects who indicate abnormal parameter in liver or kidney function (5) Subjects who had a gastrointestinal surgery (6) Subjects with a disease under treatment now (7) Subjects with drug or food allergy (8) Subjects who play high intensity sports or are on a diet (9) Subjects who are taking medication or functional foods which might affect the results of this study, such as medicine, quasi drug and health foods (10) Subject who consume exscessive alcohol (11) Smoker. (12) Subject who has been pregnant or subject who have a plan to become pregnant or breast feed during the study period (13) Subjects who is participating in the other study or plannning to participate during the study period (14) Subjects who isdeemed unsuitable by the principal investigator

Age minimum: 30years-old
Age maximum: 59years-old
Gender: Male and Female
Health Condition(s) or Problem(s) studied
Healthy Adult
Intervention(s)
12-week continuous intake of green tea and black tea extracts-containing dietary supplement(low dose)
12-week continuous intake of green tea and black tea extracts-containing dietary supplement (high dose)
12-week continuous intake of placebo
Primary Outcome(s)
VAS (fatigue item, degree of fatigue recovery after exercise, etc.)
Secondary Outcome(s)
Lactic acid,red blood cell count,MCV,CK, Inflammatory cytokines (IL-1beta, IL-6), Salivary cortisol
Secondary ID(s)
Source(s) of Monetary Support
WAKASA SEIKATSU Co., Ltd.
Secondary Sponsor(s)
National Institute of Fitness and Sports in Kanoya
Ethics review
Status: YES
Approval date:
Contact:
Results
Results available:
Date Posted:
Date Completed:
URL:
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