UMIN-ICDS Clinical Trial
| Unique ID issued by UMIN | UMIN000061481 |
|---|---|
| Receipt number | R000070349 |
| Scientific Title | Effect of Intervention on Posttraumatic Growth Among Japan Self-Defense Forces Personnel After Mission-Related Traumatic Events: A Longitudinal Intervention Study |
| Date of disclosure of the study information | 2026/05/07 |
| Last modified on | 2026/05/07 18:35:48 |
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Basic information
Public title
Effect of Intervention on Posttraumatic Growth Among Japan Self-Defense Forces Personnel After Mission-Related Traumatic Events: A Longitudinal Intervention Study
Acronym
Intervention for Mission-Related PTG Among JSDF personnel
Scientific Title
Effect of Intervention on Posttraumatic Growth Among Japan Self-Defense Forces Personnel After Mission-Related Traumatic Events: A Longitudinal Intervention Study
Scientific Title:Acronym
Intervention for Mission-Related PTG Among JSDF personnel
Region
| Japan |
Condition
Condition
Healthy Adult
Classification by specialty
| Not applicable |
Classification by malignancy
Others
Genomic information
NO
Objectives
Narrative objectives1
To implement an intervention designed to facilitate meaning-making and reinterpretation of mission-related traumatic events, and to evaluate its effectiveness in promoting PTG among JSDF personnel.
Basic objectives2
Efficacy
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase
Assessment
Primary outcomes
Japanese version of the Expanded Posttraumatic Growth Inventory (PTGI-X-J)(Tedeschi et al., 2017; Taku, 2017)
Key secondary outcomes
Japanese version of Event-Related Rumination Inventory (ERRI-J) (Taku, Cann, Tedeschi, & Calhoun, 2015)
Facilitating factors of JSDF-PTG
Base
Study type
Interventional
Study design
Basic design
Parallel
Randomization
Randomized
Randomization unit
Individual
Blinding
Single blind -participants are blinded
Control
No treatment
Stratification
YES
Dynamic allocation
NO
Institution consideration
Institution is not considered as adjustment factor.
Blocking
YES
Concealment
Central registration
Intervention
No. of arms
2
Purpose of intervention
Educational,Counseling,Training
Type of intervention
| Other |
Interventions/Control_1
A group intervention will be conducted based on the curriculum proposed by Tedecshi & Bret(2016). The program consists of psychoeducation on PTG, exploration of PTG facilitators, and the development of narratives of traumatic events.
Interventions/Control_2
For the waiting-list control group, data collection via questionnaires will be conducted at the same time points as the intervention group, followed by implementation of the same program.
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
| 65 | years-old | >= |
Gender
Male and Female
Key inclusion criteria
JSDF personnel who have experienced mission-related traumatic events
Key exclusion criteria
Individuals currently receiving treatment for psychiatric disorders
Target sample size
80
Research contact person
Name of lead principal investigator
| 1st name | Kunihisa |
| Middle name | |
| Last name | Komori |
Organization
University of Tsukuba
Division name
Graduate School of Comprehensive Human Sciences
Zip code
112-0012
Address
3-29-1 Otsuka, Bunkyo-ku, Tokyo, Japan
TEL
03-3942-6814
s2440453@u.tsukuba.ac.jp
Public contact
Name of contact person
| 1st name | Kunihisa |
| Middle name | |
| Last name | Komori |
Organization
University of Tsukuba
Division name
Graduate School of Comprehensive Human Sciences
Zip code
112-0012
Address
3-29-1 Otsuka, Bunkyo-ku, Tokyo, Japan
TEL
03-3942-6814
Homepage URL
s2440453@u.tsukuba.ac.jp
Sponsor or person
Institute
University of Tsukuba
Institute
Department
Personal name
Kunihisa Komori
Funding Source
Organization
None
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
Institutional Review Board, Tokyo Area, Faculty of Human Sciences, University of Tsukuba
Address
3-29-1 Otsuka, Bunkyo-ku, Tokyo, Japan
Tel
03-3942-6814
hitorinri@un.tsukuba.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 | 05 | Month | 07 | 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 | 01 | Month | 14 | Day |
Date of IRB
| 2026 | Year | 02 | Month | 20 | Day |
Anticipated trial start date
| 2026 | Year | 02 | Month | 20 | Day |
Last follow-up date
| 2027 | 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 | 05 | Month | 07 | Day |
Last modified on
| 2026 | Year | 05 | Month | 07 | Day |
Link to view the page
Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070349
