UMIN-ICDS Clinical Trial
| Unique ID issued by UMIN | UMIN000063189 |
|---|---|
| Receipt number | R000072258 |
| Scientific Title | Crossover effects of a job crafting intervention on coworkers: a pretest-posttest study |
| Date of disclosure of the study information | 2026/10/06 |
| Last modified on | 2026/10/06 14:42:21 |
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Basic information
Public title
Crossover effects of a job crafting intervention on coworkers: a pretest-posttest study
Acronym
Crossover effects of a job crafting intervention on coworkers: a pretest-posttest study
Scientific Title
Crossover effects of a job crafting intervention on coworkers: a pretest-posttest study
Scientific Title:Acronym
Crossover effects of a job crafting intervention on coworkers: a pretest-posttest study
Region
| Japan |
Condition
Condition
None
Classification by specialty
| Not applicable | Adult |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To examine the crossover effects of a job crafting intervention on coworkers of workers who received the intervention.
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Confirmatory
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Job crafting behavior of coworkers of workers who received the intervention (Job crafting scale) (Immediately after intervention, 1 month after intervention, and 3 months after intervention)
Key secondary outcomes
Coworkers' work engagement (UWES) (Immediately after intervention, 1 month after intervention, and 3 months after intervention)
Psychological safety (Psychological safety scale) (Immediately after intervention, 1 month after intervention, and 3 months after intervention)
Social support at work (BJSQ) (Immediately after intervention, 1 month after intervention, and 3 months after intervention)
Base
Study type
Interventional
Study design
Basic design
Single arm
Randomization
Non-randomized
Randomization unit
Blinding
Open -no one is blinded
Control
Uncontrolled
Stratification
Dynamic allocation
Institution consideration
Institution is not considered as adjustment factor.
Blocking
Concealment
Intervention
No. of arms
1
Purpose of intervention
Prevention
Type of intervention
| Behavior,custom |
Interventions/Control_1
An job crafting intervention program will be implemented on workers selected based on social network analysis for 2 weeks, during which psychoeducation on job crafting will be provided.
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
| Not applicable |
Age-upper limit
| Not applicable |
Gender
Male and Female
Key inclusion criteria
- Full-time or contract employees of the participating company
- Holding a position of section manager or below
- Working full-time
- Native Japanese speakers
Key exclusion criteria
- Night-shift workers
- Employees on secondment
- Part-time employees
Target sample size
140
Research contact person
Name of lead principal investigator
| 1st name | Kazuki |
| Middle name | |
| Last name | Kikunaga |
Organization
Kyoto university
Division name
Institute for the future of human society
Zip code
606-8501
Address
Inamori Center, 46 Yoshidashimoadachicho, Sakyo Ward, Kyoto
TEL
075-753-9670-5449
kikunaga.kazuki.7n@kyoto-u.ac.jp
Public contact
Name of contact person
| 1st name | Kazuki |
| Middle name | |
| Last name | Kikunaga |
Organization
Kyoto university
Division name
Institute for the future of human society
Zip code
606-8501
Address
Inamori Center, 46 Yoshidashimoadachicho, Sakyo Ward, Kyoto
TEL
075-753-9670-5449
Homepage URL
kikunaga.kazuki.7n@kyoto-u.ac.jp
Sponsor or person
Institute
Kyoto university
Institute
Department
Personal name
Kazuki Kikunaga
Funding Source
Organization
Ministry of Education, Culture, Sports, Science and Technology
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
Kyoto university Institute for the future of human society
Address
Inamori Center, 46 Yoshidashimoadachicho, Sakyo Ward, Kyoto
Tel
075-366-7206
kokoro.unit.ecadmin@mail2.adm.kyoto-u.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 | 10 | Month | 06 | 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 | 08 | Month | 25 | Day |
Date of IRB
Anticipated trial start date
| 2026 | Year | 10 | Month | 08 | Day |
Last follow-up date
| 2027 | Year | 02 | Month | 28 | 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 | 10 | Month | 06 | Day |
Last modified on
| 2026 | Year | 10 | Month | 06 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072258
