UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000060549
Receipt number R000066119
Scientific Title Behavioral science studies to promote understanding of guideline-based cancer screening
Date of disclosure of the study information 2026/02/03
Last modified on 2026/02/02 12:09:56

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Basic information

Public title

Study on ways to promote understanding of guideline-based cancer screening

Acronym

Study to disseminate guideline-based cancer screening

Scientific Title

Behavioral science studies to promote understanding of guideline-based cancer screening

Scientific Title:Acronym

Study to promote understanding of guideline-based cancer screening

Region

Japan


Condition

Condition

Stomach cancer, colon cancer, lung cancer, cervical cancer, breast cancer

Classification by specialty

Medicine in general Not applicable Adult

Classification by malignancy

Malignancy

Genomic information

NO


Objectives

Narrative objectives1

To examine what approaches are appropriate to advance the understanding of the benefits-disadvantages of cancer screening for ordinary employees.

Basic objectives2

Others

Basic objectives -Others

To compare the effectiveness of three video materials created by researchers with the goal of encouraging people to receive guideline-based cancer screenings.

Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

In the questionnaire survey, after viewing the video, respondents were asked,"What kind of cancer screening would you like to receive?" Primary outcome is the number of respondents who choose "I want to be screened for cancer as recommended by the guidelines" and do not choose the screening options not based on the guidelines.

Key secondary outcomes

Relevance, clarity, informativeness, acceptability, aversiveness, perceived impact on discussions with family and friends, and perceived impact on intentions to receive guideline-based cancer screenings


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

3

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Other

Interventions/Control_1

A science-based explanatory video detailing the potential harms of screening outside guideline recommendations, such as screening at a young age, overly frequent screening, and overdiagnosis

Interventions/Control_2

A narrative-style video depicting a realistic personal story of an individual adversely affected by inappropriate screening

Interventions/Control_3

An engaging, fast-paced dialogue-based video with humorous elements intended to attract viewer interest

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

30 years-old <=

Age-upper limit

60 years-old >=

Gender

Male and Female

Key inclusion criteria

Individuals registered as panel members with a survey company (Rakuten Insight, Inc.)
Employed persons aged between 30 and 60 years
Those who provided informed consent to participate in the study

Key exclusion criteria

Individuals with a history of gastric, colorectal, lung, cervical, or breast cancer
Individuals who have undergone cancer screenings offered by local governments within the past three years

Target sample size

1200


Research contact person

Name of lead principal investigator

1st name Masayuki
Middle name
Last name Tatemichi

Organization

Tokai University School of Medicine

Division name

Department of Preventive Medicine

Zip code

2591193

Address

143 Shimokasuya, Isehara City, Kanagawa, Japan

TEL

0463931121

Email

tatemichi@tokai.ac.jp


Public contact

Name of contact person

1st name Kosuke
Middle name
Last name Sakai

Organization

Tokai University School of Medicine

Division name

Department of Preventive Medicine

Zip code

2591193

Address

143 Shimokasuya, Isehara City, Kanagawa, Japan

TEL

0463931121

Homepage URL


Email

ksakai@tokai.ac.jp


Sponsor or person

Institute

Tokai University

Institute

Department

Personal name



Funding Source

Organization

Ministry of Health, Labour and Welfare

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Research Ethics Committee, Tokai University School of Medicine

Address

143 Shimokasuya, Isehara City, Kanagawa, Japan

Tel

0463931121

Email

tokai-rec@tokai.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 02 Month 03 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

1200

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

Completed

Date of protocol fixation

2025 Year 02 Month 01 Day

Date of IRB

2025 Year 02 Month 10 Day

Anticipated trial start date

2025 Year 06 Month 01 Day

Last follow-up date

2025 Year 06 Month 15 Day

Date of closure to data entry

2025 Year 06 Month 20 Day

Date trial data considered complete

2025 Year 06 Month 30 Day

Date analysis concluded

2025 Year 07 Month 31 Day


Other

Other related information



Management information

Registered date

2026 Year 02 Month 02 Day

Last modified on

2026 Year 02 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066119