Effect of Intervention on Posttraumatic Growth Among Japan Self-Defense Forces Personnel After Mission-Related Traumatic Events: A Longitudinal Intervention Study

Effect of Intervention on Posttraumatic Growth Among Japan Self-Defense Forces Personnel After Mission-Related Traumatic Events: A Longitudinal Intervention Study - Intervention for Mission-Related PTG Among JSDF personnel

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000061481

Enrollment

Registered

2026-05-07

Start date

2026-02-20

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Adult

Interventions

A group intervention will be conducted based on the curriculum proposed by Tedecshi &amp

Bret(2016). The program consists of psychoeducation on PTG, exploration of PTG facilitators, and the development of narratives of traumatic events. For the waiting-list control group, data collection

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: JSDF personnel who have experienced mission-related traumatic events

Exclusion criteria

Exclusion criteria: Individuals currently receiving treatment for psychiatric disorders

Design outcomes

Primary

Measure	Time frame
Japanese version of the Expanded Posttraumatic Growth Inventory (PTGI-X-J)(Tedeschi et al., 2017; Taku, 2017)	—

Secondary

Measure	Time frame
Japanese version of Event-Related Rumination Inventory (ERRI-J) (Taku, Cann, Tedeschi, & Calhoun, 2015) Facilitating factors of JSDF-PTG	—

Countries

Japan

Contacts

Public ContactKunihisa Komori

University of Tsukuba Graduate School of Comprehensive Human Sciences

s2440453@u.tsukuba.ac.jp03-3942-6814

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026