| Unique ID issued by UMIN | UMIN000063526 |
|---|---|
| Receipt number | R000072688 |
| Scientific Title | A Study to Evaluate the Effects of a Functional Beverage containing Lemon Juice on Cognitive Task-Induced Fatigue |
| Date of disclosure of the study information | 2026/11/09 |
| Last modified on | 2026/11/05 16:12:12 |
A Study to Evaluate the Effects of a Functional Beverage containing Lemon Juice on Cognitive Task-Induced Fatigue
A Study to Evaluate the Effects of a Functional Beverage containing Lemon Juice on Cognitive Task-Induced Fatigue
A Study to Evaluate the Effects of a Functional Beverage containing Lemon Juice on Cognitive Task-Induced Fatigue
A Study to Evaluate the Effects of a Functional Beverage containing Lemon Juice on Cognitive Task-Induced Fatigue
| Japan |
Healthy Adult
| Adult |
Others
NO
To evaluate the effect of a functional beverage on alleviating cognitive fatigue during computerized task performance.
Efficacy
VAS-based subjective assessment of fatigue and related symptoms
Change in fatigue-inducing task performance
Changes in autonomic nerve activity
Changes in salivary stress markers
STAI scores
Blood pressure
Interventional
Cross-over
Randomized
Individual
Double blind -all involved are blinded
Placebo
2
Prevention
| Food |
Ingestion of the Test beverage
Ingestion of the Control beverage
| 20 | years-old | <= |
| 60 | years-old | > |
Female
1. Healthy female aged 20 to 59 years
2. Individuals who understand the informed consent information and are able to provide voluntary written consent
1. Individuals employed by a food or pharmaceutical company.
2. Individuals with a history of neurological or cardiovascular disease, renal failure, or any other serious illness.
3. Individuals with a history of seizures (such as loss of consciousness, coma, or convulsions) due to neurological disorders.
4. Individuals currently receiving ongoing treatment or taking medication for any medical condition.
5. Individuals who have difficulty performing essential evaluation items in this study due to hearing or visual impairments.
6. Individuals with olfactory or taste disorders.
7. Individuals who are currently pregnant or breastfeeding.
8. Individuals with food allergies.
9. Individuals who dislike sour tastes.
10. Individuals who regularly consumed foods containing functional ingredients at least three times per week during the month prior to providing informed consent.
11. Individuals who consumed foods containing functional ingredients between 8:00 p.m. on the day before the study and the start of the study procedures.
12. Individuals who are currently participating in another clinical trial or who participated in another clinical trial within one month prior to providing informed consent.
13. Individuals judged as inappropriate for participation by the principal investigator.
20
| 1st name | Yasuyoshi |
| Middle name | |
| Last name | Watanabe |
Integrated Health Science Co., Ltd.
Research Division
530-0011
JAM-OFFICE 5-D, JAM BASE, 5F, GRAND GREEN OSAKA North 6-38 Ofukacho, Kita-ku, Osaka, JAPAN
080-2466-6100
contact@integhs.jp
| 1st name | Kyosuke |
| Middle name | |
| Last name | Watanabe |
Integrated Health Science Co., Ltd.
Research Division
530-0011
JAM-OFFICE 5-D, JAM BASE, 5F, GRAND GREEN OSAKA North 6-38 Ofukacho, Kita-ku, Osaka, JAPAN
080-2466-6100
contact@integhs.jp
Integrated Health Science Co., Ltd.
POKKA SAPPORO Food & Beverage Ltd.
Profit organization
The Ethics Committee of Umekita Digital Health
JAM-OFFICE 5-D, JAM BASE, 5F, GRAND GREEN OSAKA North 6-38 Ofukacho, Kita-ku, Osaka, JAPAN
080-2466-6100
hrerc@integhs.jp
NO
| 2026 | Year | 11 | Month | 09 | Day |
Unpublished
Preinitiation
| 2026 | Year | 08 | Month | 18 | Day |
| 2026 | Year | 08 | Month | 19 | Day |
| 2026 | Year | 11 | Month | 09 | Day |
| 2026 | Year | 12 | Month | 31 | Day |
| 2026 | Year | 11 | Month | 05 | Day |
| 2026 | Year | 11 | Month | 05 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072688