Unique ID issued by UMIN | UMIN000049052 |
---|---|
Receipt number | R000055884 |
Scientific Title | Exploratory study of a new phenotyping method for the evaluation of CYP1A2 activity |
Date of disclosure of the study information | 2022/10/01 |
Last modified on | 2023/03/30 09:21:02 |
Development of a method to evaluate the function of metabolizing enzyme CYP1A2
Development of evaluation method for metabolizing enzyme CYP1A2
Exploratory study of a new phenotyping method for the evaluation of CYP1A2 activity
Exploratory study to evaluate CYP1A2 activity
Japan |
healthy subject
Adult |
Others
NO
In this study, we validate a new phenotyping method using the metabolism of melatonin to 6-hydroxymelatonin by CYP1A2.
PK,PD
Confirmatory
Melatonin pharmacokinetic parameters (melatonin 6-hydroxy metabolic clearance, plasma 6-hydroxy melatonin/melatonin ratio)
Caffeine pharmacokinetic parameters (caffeine clearance, plasma caffeine/paraxanthine ratio)
Interventional
Single arm
Non-randomized
Open -no one is blinded
Uncontrolled
1
Diagnosis
Food |
Caffeine intake from food
18 | years-old | <= |
Not applicable |
Male and Female
Persons who have given consent for this study
1) Persons who do not consume caffeine-containing products (coffee, tea, soft drinks) on a daily basis (2 to 3 times a week).
2) Persons who have experienced adverse reactions (palpitations, nausea, etc.) to caffeine-containing products (coffee, tea, soft drinks). Persons who are allergic to caffeine
3) Persons who have ever felt sick from blood sampling.
4) Persons who are under medical treatment, pregnant women or those who are thought to be pregnant or nursing
5) Persons who have subjective symptoms of hyperacidity on interview, persons who have been diagnosed with heart disease or gastric ulcer
18
1st name | Akitomo |
Middle name | |
Last name | Yokokawa |
School of Pharmacy, Tokyo University of Pharmacy and Life Sciences
Laboratory of Clinical Chemistry and Experimental Therapeutics
192-0392
1432-1 Horinouchi, Hachioji, Tokyo
042-676-5803
yokokawa@toyaku.ac.jp
1st name | Akitomo |
Middle name | |
Last name | Yokokawa |
School of Pharmacy, Tokyo University of Pharmacy and Life Sciences
Laboratory of Clinical Chemistry and Experimental Therapeutics
192-0392
1432-1 Horinouchi, Hachioji, Tokyo
042-676-5803
yokokawa@toyaku.ac.jp
Tokyo University of Pharmacy and Life Sciences
None
Self funding
Human Subjects Review Board of the Tokyo University of Pharmacy and Life Sciences
1432-1 Horinouchi, Hachioji, Tokyo
042-676-5111
rinri-office-ml@toyaku.ac.jp
NO
2022 | Year | 10 | Month | 01 | Day |
Unpublished
Open public recruiting
2022 | Year | 05 | Month | 27 | Day |
2022 | Year | 06 | Month | 27 | Day |
2022 | Year | 10 | Month | 01 | Day |
2025 | Year | 08 | Month | 31 | Day |
2022 | Year | 09 | Month | 28 | Day |
2023 | Year | 03 | Month | 30 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000055884
Research Plan | |
---|---|
Registered date | File name |
Research case data specifications | |
---|---|
Registered date | File name |
Research case data | |
---|---|
Registered date | File name |