Unique ID issued by UMIN | UMIN000054033 |
---|---|
Receipt number | R000061641 |
Scientific Title | Impact of the Timing of Caffeine Ingestion on Endurance Exercise Performance Based on the CYP1A2 Genotype |
Date of disclosure of the study information | 2024/04/01 |
Last modified on | 2024/10/01 09:43:58 |
Trial of the effects of caffeine intake timing on endurance performance: based on genotype
Caffeine intake timing trial
Impact of the Timing of Caffeine Ingestion on Endurance Exercise Performance Based on the CYP1A2 Genotype
Caffeine intake timing on endurance performance trial
Japan |
Endurance performance
Not applicable |
Others
YES
The purpose of this study is to clear up whether the timing of caffeine intake affects endurance exercise performance differently depending on the CYP1A2 genotype.
Efficacy
Confirmatory
Pragmatic
The duration of 10 km cycling time trial 120 minutes after the administration of the first capsule in each experiment
Heart rate, blood pressure, expired gases (oxygen uptake, carbon dioxide output, ventilation, respiratory exchange ratio), cardiac output, stroke volume, rate of perceived exertion (RPE) 120 minutes after the administration of the first capsule in each experiment
Interventional
Cross-over
Randomized
Individual
Double blind -all involved are blinded
Placebo
NO
NO
3
Educational,Counseling,Training
Food |
Subjects ingest capsules containing 6 mg of caffeine per 1 kilogram of body weight. Ninety minutes later, they take a placebo capsule. Cycling time trial begins 30 minutes after ingesting the second capsule.
Subjects take a placebo capsule. Ninety minutes later, they ingest capsules containing 6 mg of caffeine per 1 kilogram of body weight. Cycling time trial begins 30 minutes after ingesting the second capsule.
Subjects take placebo capsules both initially and after 90 minutes. Cycling time trial begins 30 minutes after ingesting the second capsule.
18 | years-old | <= |
30 | years-old | >= |
Male
Healthy male aged 18 to 30 years old
Smokers
Medication users
60
1st name | Kumpei |
Middle name | |
Last name | Tanisawa |
Waseda University
Faculty of Sport Sciences
359-1192
2-579-15 Mikajima, Tokorozawa, Saitama
04-2947-6745
tanisawa@waseda.jp
1st name | JINXINGZE |
Middle name | |
Last name | CHENG |
Waseda University
Graduate School of Sport Sciences
359-1192
2-579-15 Mikajima, Tokorozawa, Saitama
04-2947-6833
teisinnseitaku@akane.waseda.jp
Waseda University
Ministry of Education, Culture, Sports, Science and Technology
Japanese Governmental office
Ethics Review Procedures concerning Research with Human Subjects at Waseda University
1-104 Totsuka-cho, Shinjyuku-ku, Tokyo 169-8050
03-5272-1639
rinri@list.waseda.jp
NO
2024 | Year | 04 | Month | 01 | Day |
Unpublished
Preinitiation
2024 | Year | 02 | Month | 06 | Day |
2024 | Year | 04 | Month | 02 | Day |
2025 | Year | 04 | Month | 01 | Day |
2026 | Year | 03 | Month | 31 | Day |
2024 | Year | 04 | Month | 01 | Day |
2024 | Year | 10 | Month | 01 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000061641