UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000061310 |
|---|---|
| Receipt number | R000070153 |
| Scientific Title | A Study on Pre-Competition Weight Loss Practices and Their Effects in Judo Athletes |
| Date of disclosure of the study information | 2026/04/20 |
| Last modified on | 2026/04/19 15:04:38 |
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Basic information
Public title
Research on weight loss before matches in judo athletes
Acronym
PRE-WL Study
Scientific Title
A Study on Pre-Competition Weight Loss Practices and Their Effects in Judo Athletes
Scientific Title:Acronym
Judo-WL Study
Region
| Japan |
Condition
Condition
Not applicable
Classification by specialty
| Not applicable |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
The aim is to establish scientifically-based nutritional support methods to prevent a decline in physical condition due to weight loss before a match.
Basic objectives2
Others
Basic objectives -Others
No secondary objectives
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Body composition of athletes during weight loss
Key secondary outcomes
Base
Study type
Interventional
Study design
Basic design
Single arm
Randomization
Non-randomized
Randomization unit
Blinding
Open -no one is blinded
Control
Self control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
1
Purpose of intervention
Educational,Counseling,Training
Type of intervention
| Behavior,custom |
Interventions/Control_1
Dietary intervention
Interventions/Control_2
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
| 18 | years-old | <= |
Age-upper limit
| 35 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
All individuals who voluntarily wish to participate.
Key exclusion criteria
Individuals who do not wish to participate
Target sample size
15
Research contact person
Name of lead principal investigator
| 1st name | Minako |
| Middle name | |
| Last name | Sone |
Organization
Niigata University of Health and Welfare
Division name
Department of Health and Nutrition
Zip code
950-3198
Address
1398 Shimami-cho, Kita-ku, Niigata
TEL
0252122181
minako-sone@nuhw.ac.jp
Public contact
Name of contact person
| 1st name | Minako |
| Middle name | |
| Last name | Sone |
Organization
Niigata University of Health and Welfare
Division name
Department of Health and Nutrition
Zip code
950-3198
Address
1398 Shimami-cho, Kita-ku, Niigata
TEL
0252122181
Homepage URL
minako-sone@nuhw.ac.jp
Sponsor or person
Institute
Niigata University of Health and Welfare
Institute
Department
Personal name
Funding Source
Organization
Niigata University of Health and Welfare
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
Niigata University of Health and Welfare
Address
1398 Shimami-cho, Kita-ku, Niigata
Tel
025-257-4455
rinri@nuhw.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
新潟県
Institutions
Institutions
Other administrative information
Date of disclosure of the study information
| 2026 | Year | 04 | Month | 20 | 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 | 04 | Month | 19 | Day |
Date of IRB
Anticipated trial start date
| 2026 | Year | 05 | Month | 20 | Day |
Last follow-up date
| 2032 | Year | 03 | Month | 31 | 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 | 04 | Month | 19 | Day |
Last modified on
| 2026 | Year | 04 | Month | 19 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070153
