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Preliminary effectiveness study of the Japanese version of cognitive behavioral treatment for complicated grief (J-CGT)

Preliminary effectiveness study of the Japanese version of cognitive behavioral treatment for complicated grief (J-CGT) - An open label pilot study of the Japanese version of cognitive behavioral treatment for complicated grief (J-CGT)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000029930
Enrollment
20
Registered
2017-11-11
Start date
2017-11-11
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

Complicated grief

Interventions

Cognitive behavior therapy for complicated grief (fifty minutes / 1 session, 1 session/1-2 weeks, total 16 sessions)

Sponsors

Cognitive Behavioral Therapy and Research Institute, Musashino University
Lead Sponsor
1.National Center for Cognitive Behavior Therapy and Research, National Center of Neurology and Psychiatry 2.Cognitive Behavioral Therapy and Research Institute, Musashino University 3.International University of Health and Welfare 4. Hyogo Institute for Traumatic Stress
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.complicated grief as the most important clinical problem 2.more than 26 score of Inventory of Complicated Grief 3.13 months and over after the death of loved one 4.stable antidepressants, antipsychotics, and mood stabilizers medication for a minimum of 3 months, with at least 6 weeks at the same dose. 5.those who can give a written informed consent 6.those who can visit to hospital more than one time per two weeks 7.those who are under treatment at psychiatric or psychosomatic medicine department, and obtain approval from own doctor permission to participate in this intervention

Exclusion criteria

Exclusion criteria: 1.comorbidity of schizophrenia or the other psychotic disorders 2.physical conditions that may interfere this intervention 3.presence of psychiatric symptoms below;manic episode of bipolar disorders, alcohol/drug dependence or abuse, severe depression, PTSD, self-injury, and suicidal attempt. 4.history of alcohol/drug dependence or abuse in past 6 months 5.history of suicidal attempt or severe self-injury in past 6 months 6.concurrent psychotherapy without supportive counseling 7.those who have difficulty for intervention such as cognitive impairment, impaired consciousness, and mental retardation 8.concurrent other clinical trails 9.those who have difficulty for understanding of this intervention, and communicating with clinician in Japanese 10.others whom the principal investigator decides to exclude

Design outcomes

Primary

MeasureTime frame
Change of severity of complicated grief measured by ICG from the pre J-CGT to the 1-2 week after the end of treatment

Secondary

MeasureTime frame
Change of prevalence of complicated grief (ICG, CGQ), severity of grief related avoidance symptoms(GRAQ),typical belief related grief(TBQ), depression(BDI-2), anxiety(STAI),traumatic stress symptoms(IES-R),and posttraumatic cognitions(PTCI), QOL (EQ-5D-5L), satisfaction with life (SWLS), social support (SSQ) and the improvement of clinical global impression (CGI-I) from the pre J-CGT to the post J-CGT (1-2 weeks, 3 months and 6 months after the end of treatment)

Countries

Japan

Contacts

Public ContactSatomi Nakajima

Musashino University Faculty of Human sciences

satonaka@musashino-u.ac.jp0355307618

Outcome results

None listed

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