UMIN-CTR Clinical Trial
| Unique ID issued by UMIN | UMIN000062202 |
|---|---|
| Receipt number | R000071181 |
| Scientific Title | Association between Exposure to Gambling Advertising and Gambling Behavior: An Online Cross-Sectional Study |
| Date of disclosure of the study information | 2026/07/11 |
| Last modified on | 2026/07/10 11:47:00 |
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Basic information
Public title
Association between Exposure to Gambling Advertising and Gambling Behavior: An Online Cross-Sectional Study
Acronym
Association between Exposure to Gambling Advertising and Gambling Behavior: An Online Cross-Sectional Study
Scientific Title
Association between Exposure to Gambling Advertising and Gambling Behavior: An Online Cross-Sectional Study
Scientific Title:Acronym
Association between Exposure to Gambling Advertising and Gambling Behavior: An Online Cross-Sectional Study
Region
| Japan |
Condition
Condition
gamblers
Classification by specialty
| Not applicable | Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
The purpose of this study is to obtain accurate measurements of exposure to gambling-related advertisements on smartphones, to identify differences in exposure to such advertisements according to factors including gambling severity, and to examine the association between advertising exposure and gambling behavior.
Basic objectives2
Others
Basic objectives -Others
This study will employ Ecological Momentary Assessment (EMA), a procedure with high ecological validity, to investigate when, through which media, and what types of advertisements participants encounter.
Trial characteristics_1
Exploratory
Trial characteristics_2
Developmental phase
Not applicable
Assessment
Primary outcomes
advertising exposure
Key secondary outcomes
Gambling behavior (days of gambling and gambling expenditure)
Base
Study type
Observational
Study design
Basic design
Randomization
Randomization unit
Blinding
Control
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment
Intervention
No. of arms
Purpose of intervention
Type of intervention
Interventions/Control_1
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
| 20 | years-old | <= |
Age-upper limit
| 69 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
Participants who use an Android device
Participants who use Facebook, Instagram, X, or YouTube at least once per week
Participants who have engaged in gambling within the past year
Participants who agree to install and use an SNS launcher application developed for the study
Key exclusion criteria
Participants who subscribe to paid premium plans for X or YouTube that prevent advertisements from being displayed
Participants who have not engaged in gambling within the past year
Target sample size
100
Research contact person
Name of lead principal investigator
| 1st name | Kengo |
| Middle name | |
| Last name | Yokomitsu |
Organization
University of Human Environments
Division name
School of Psychological Sciences
Zip code
7900825
Address
9-12, dogo-himata, Matsuyama, Ehime
TEL
08066417784
yokomitsuken5@gmail.com
Public contact
Name of contact person
| 1st name | Kengo |
| Middle name | |
| Last name | Yokomitsu |
Organization
University of Human Environments
Division name
School of Psychological Sciences
Zip code
7900825
Address
9-12 Dogohimata, Matsuyama, Ehime 790-8578, Japan
TEL
08066417784
Homepage URL
yokomitsuken5@gmail.com
Sponsor or person
Institute
National Hospital Organization, an Independent Administrative Agency, Department of Clinical Research, Kurihama Medical and Addiction Center
Institute
Department
Personal name
Kengo Yokomitsu
Funding Source
Organization
National Hospital Organization, an Independent Administrative Agency, Department of Clinical Research, Kurihama Medical and Addiction Center
Organization
Division
Category of Funding Organization
Other
Nationality of Funding Organization
Japan
Other related organizations
Co-sponsor
Name of secondary funder(s)
IRB Contact (For public release)
Organization
National Hospital Organization, an Independent Administrative Agency, Department of Clinical Research, Kurihama Medical and Addiction Center
Address
5-3-1 Nobi, Yokosuka, Kanagawa, Japan
Tel
046-848-1550
koga.kmac@gmail.com
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 | 07 | Month | 11 | 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
Open public recruiting
Date of protocol fixation
| 2026 | Year | 07 | Month | 01 | Day |
Date of IRB
| 2026 | Year | 05 | Month | 30 | Day |
Anticipated trial start date
| 2026 | Year | 07 | Month | 06 | Day |
Last follow-up date
| 2026 | Year | 07 | Month | 19 | Day |
Date of closure to data entry
Date trial data considered complete
Date analysis concluded
Other
Other related information
An online survey will be conducted.
Management information
Registered date
| 2026 | Year | 07 | Month | 10 | Day |
Last modified on
| 2026 | Year | 07 | Month | 10 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071181
