UMIN-ICDS Clinical Trial
| Unique ID issued by UMIN | UMIN000060389 |
|---|---|
| Receipt number | R000069087 |
| Scientific Title | Effects of a 3-day high-carbohydrate intake before a match on acceleration and deceleration performance during match play in national-level high school male soccer players |
| Date of disclosure of the study information | 2026/01/17 |
| Last modified on | 2026/01/17 16:56:21 |
* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments
Basic information
Public title
Effect of pre-match high-carbohydrate intake on high-intensity actions during match play in high school male soccer players
Acronym
Effect of pre-match high-carbohydrate intake on high-intensity actions during match play in high school male soccer players
Scientific Title
Effects of a 3-day high-carbohydrate intake before a match on acceleration and deceleration performance during match play in national-level high school male soccer players
Scientific Title:Acronym
Effects of a 3-day high-carbohydrate intake before a match on acceleration and deceleration performance during match play in national-level high school male soccer players
Region
| Japan |
Condition
Condition
N/A
Classification by specialty
| Not applicable |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
The purpose of this study is to investigate the effects of a 3-day high-carbohydrate intake before an official match on high-intensity actions, particularly acceleration and deceleration performance during the second half of match play, in national-level high school male soccer players.
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Rate of decline in high-intensity deceleration distance during the second half of the match, calculated by comparing the first and second halves and measured using a GNSS/IMU device.
Key secondary outcomes
High intensity acceleration indicators
Heart rate indices
Subjective rating of perceived exertion sRPE
Base
Study type
Interventional
Study design
Basic design
Parallel
Randomization
Randomized
Randomization unit
Individual
Blinding
Single blind -investigator(s) and assessor(s) are blinded
Control
Dose comparison
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
2
Purpose of intervention
Educational,Counseling,Training
Type of intervention
| Food |
Interventions/Control_1
In the high-carbohydrate intake group (High-CHO group), participants will consume 10 g of carbohydrates per kilogram of body weight per day for three days before the match. Total energy intake will be maintained within the estimated required range (45-55 kcal/kg/day), and protein intake will be standardized at 1.5-1.8 g/kg/day. If the increased carbohydrate intake results in excessive total energy intake, fat intake will be adjusted to prevent substantial imbalance in total energy and macronutrient composition. To minimize gastrointestinal symptoms, carbohydrate sources will mainly consist of easily digestible foods such as rice, noodles, and bread, and meal timing or portion size will be modified as necessary.
Interventions/Control_2
In the control diet group (Control group), participants will consume 5 g of carbohydrates per kilogram of body weight per day for three days before the match. Total energy intake will be maintained within the estimated required range (45-55 kcal/kg/day), and protein intake will be adjusted to achieve 1.5-1.8 g/kg/day. Any deficit or excess in total energy resulting from the lower carbohydrate intake will be compensated by adjusting fat intake, ensuring that the overall energy intake and macronutrient balance do not become substantially imbalanced.
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10
Eligibility
Age-lower limit
| 15 | years-old | <= |
Age-upper limit
| 18 | years-old | >= |
Gender
Male
Key inclusion criteria
1.Male high school soccer players aged 16-18 years
2.Competing continuously at a national competitive level
3.Written informed consent obtained from both the participant and a legal guardian
Key exclusion criteria
1.Individuals with metabolic or severe gastrointestinal diseases
2.Individuals with food allergies related to grains
3.Individuals who develop severe gastrointestinal symptoms during the study period and are judged unable to continue participation
Target sample size
20
Research contact person
Name of lead principal investigator
| 1st name | Takaaki |
| Middle name | |
| Last name | Mishima |
Organization
Osaka University of Health and Sport Sciences
Division name
School of Sport Sciences
Zip code
590-0496
Address
1-1 Asashirodai, Kumatori-cho, Sennangun, Osaka, 590-0496, Japan
TEL
072-453-7022
t-mishima@ouhs.ac.jp
Public contact
Name of contact person
| 1st name | Takaaki |
| Middle name | |
| Last name | Mishima |
Organization
Osaka University of Health and Sport Sciences
Division name
School of Sport Sciences
Zip code
590-0496
Address
1-1 Asashirodai, Kumatori-cho, Sennangun, Osaka, 590-0496, Japan
TEL
072-453-7022
Homepage URL
t-mishima@ouhs.ac.jp
Sponsor or person
Institute
Osaka University of Health and Sport Sciences
Institute
Department
Personal name
Funding Source
Organization
Osaka University of Health and Sport Sciences
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
Osaka University of Health and Sport Sciences
Address
1-1 Asashirodai, Kumatori-cho, Sennan-gun, Osaka, 590-0496, Japan
Tel
072-453-7022
y-taki@ouhs.ac.jp
Secondary IDs
Secondary IDs
NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2026 | Year | 01 | Month | 17 | Day |
Related information
URL releasing protocol
Publication of results
Unpublished
Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description
Progress
Recruitment status
Preinitiation
Date of protocol fixation
| 2026 | Year | 02 | Month | 01 | Day |
Date of IRB
Anticipated trial start date
| 2026 | Year | 02 | Month | 01 | Day |
Last follow-up date
| 2026 | Year | 10 | Month | 01 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
Management information
Registered date
| 2026 | Year | 01 | Month | 17 | Day |
Last modified on
| 2026 | Year | 01 | Month | 17 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069087
