Unique ID issued by UMIN | UMIN000024121 |
---|---|
Receipt number | R000027771 |
Scientific Title | The effect of tryptophan-supplement intake at breakfast on melatonin secretion at night |
Date of disclosure of the study information | 2016/09/21 |
Last modified on | 2017/03/24 10:11:03 |
The effect of tryptophan-supplement intake at breakfast on melatonin secretion at night
The effect of tryptophan-supplement intake at breakfast on melatonin secretion at night
The effect of tryptophan-supplement intake at breakfast on melatonin secretion at night
The effect of tryptophan-supplement intake at breakfast on melatonin secretion at night
Japan |
Healthy adults
Adult |
Others
NO
The aim of this study is to reveal if Tryptophan-supplement intake at breakfast can increase melatonin secretion at night.
Efficacy
Nocturnal melatonin secretion which is measured immediately after intervention
Interventional
Cross-over
Randomized
Individual
Open -but assessor(s) are blinded
Placebo
4
Educational,Counseling,Training
Food |
Tryptophan-supplement intake at breakfast and bright light exposure during daytime (only 1day)
Placebo-supplement intake at breakfast and bright light exposure during daytime (only 1day)
Tryptophan-supplement intake at breakfast and dim light exposure during daytime (only 1day)
Placebo-supplement intake at breakfast and dim light exposure during daytime (only 1day)
18 | years-old | <= |
Not applicable |
Male
Healthy adult male
1. Mental diseases
2. Extreame morningness-type
3. Extreame eveningness-type
4. Sleep disorder
5. Smorker
12
1st name | |
Middle name | |
Last name | Takeshi Morita |
Fukuoka Women's University
Graduate School of Health and Environmental Science
1-1-1, Kasumigaoka, Higashi-ku, Fukuoka-city, Fukuoka
092-673-0293
morita@fwu.ac.jp
1st name | |
Middle name | |
Last name | Takeshi Morita |
Fukuoka Women's University
Graduate School of Health and Environmental Science
1-1-1, Kasumigaoka, Higashi-ku, Fukuoka-city, Fukuoka
092-673-0293
morita@fwu.ac.jp
Fukuoka Women's University
MEXT(Japan)
Japanese Governmental office
NO
2016 | Year | 09 | Month | 21 | Day |
Published
Completed
2014 | Year | 10 | Month | 23 | Day |
2015 | Year | 04 | Month | 08 | Day |
2016 | Year | 09 | Month | 21 | Day |
2017 | Year | 03 | Month | 24 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000027771