Effectiveness and feasibility study of the cognitive behavioral therapy for complicated grief in Japanese clinical setting

Effectiveness and feasibility study of the cognitive behavioral therapy for complicated grief in Japanese clinical setting - An open label pilot study of the cognitive behavioral therapy for complicated grief

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002565

Enrollment

Registered

2009-10-01

Start date

2009-10-01

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 Behavioral Therapy for Complicated Grief (once a week, 16 sessions)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Complicated grief as the most important clinical problem 2. More than 30 score of Inventory of Complicated Greif 3. 13 months and over after the death of loved one 4. Stable antidepressant 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 once a week 7. Native Japanese speaker

Exclusion criteria

Exclusion criteria: 1. Comorbidity of psychotic disorders, bipolar disorder, alcohol/drug dependence or abuse and group A personality disorder 2. History of psychotic disorders and bipolar disorder 3. History of alcohol/drug dependence or abuse in past 3 months 4. History of suicidal attempt or severe self-injury in past 6 months 5. Those who have difficulty for intervention such as cognitive impairment and mental retardation 6. Other mental/ physical conditions that may interfere this intervention 7. Ongoing or scheduled court litigation related to bereavement 8. Concurrent psychotherapy without supportive counseling 9. Pregnant or lactating woman 10. Concurrent other clinical trails 11. Those who are judged by screening doctors as inadequate

Design outcomes

Primary

Measure	Time frame
1. Inventory of Complicated Grief (ICG) 2. Response rate(responder status: score of 2 or lower on the CGI-I or ICG improvement of at least 2SDs above baseline mean)	—

Secondary

Measure	Time frame
1. Mini-International Neuropsychiatric Interview (M.I.N.I.) 2. Structured Clinical Interview for Complicated Grief (SCI-CG) 3. Prolonged Grief Disorder Scale (PG-13) 4. Grief Related Avoidance Questionnaire (GRAQ) 5. Beck Depression Inventory-2 (BDI-2) 6. State-Trait Anxiety Inventory (STAI) 7. Impact of Event Scale-Revised (IES-R) 8. Posttraumatic Cognition Inventory (PTCI) 9. Pittsburg Sleep Quality Index (PSQI) 10. Connor-Davidson Resilience Scale (CD-RISC) 11. MOS 36-Item Short-Form Health Survey (SF-36) 12. Social Support Questionnaire short form (SSQ-6) 13.Positive and Negative Affect Schedule Scale(PANAS)	—

Measure

Time frame

1. Mini-International Neuropsychiatric Interview (M.I.N.I.) 2. Structured Clinical Interview for Complicated Grief (SCI-CG) 3. Prolonged Grief Disorder Scale (PG-13) 4. Grief Related Avoidance Questionnaire (GRAQ) 5. Beck Depression Inventory-2 (BDI-2) 6. State-Trait Anxiety Inventory (STAI) 7. Impact of Event Scale-Revised (IES-R) 8. Posttraumatic Cognition Inventory (PTCI) 9. Pittsburg Sleep Quality Index (PSQI) 10. Connor-Davidson Resilience Scale (CD-RISC) 11. MOS 36-Item Short-Form Health Survey (SF-36) 12. Social Support Questionnaire short form (SSQ-6) 13.Positive and Negative Affect Schedule Scale(PANAS)

—

Countries

Japan

Contacts

Public ContactSatomi Nakajima

Fukushima Medical University Radiation Medical Science Center for the Fukushima Health Management Survey

snakajim@fmu.ac.jp024-547-1887

Outcome results

None listed

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