UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000047781
Receipt number R000054472
Scientific Title Elucidation of biological mechanisms of pathological grief in a longitudinal investigation
Date of disclosure of the study information 2022/05/17
Last modified on 2022/05/17 19:32:10

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Basic information

Public title

Understaning of mechanisms in coping with grief after bereavement

Acronym

Mechanisms in coping with grief

Scientific Title

Elucidation of biological mechanisms of pathological grief in a longitudinal investigation

Scientific Title:Acronym

Biological mechanisms of grief

Region

Japan


Condition

Condition

Prolonged grief disorder

Classification by specialty

Psychiatry

Classification by malignancy

Others

Genomic information

YES


Objectives

Narrative objectives1

Pathological factors

Basic objectives2

Others

Basic objectives -Others

Etiology

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Brain functional and structural imaging measures

Key secondary outcomes

Salivary inflammatory markers, salivary oxytocin concentration, oxytocin receptor DNA methylation polymorphism, heart rate variability, physical activity, grief symptoms, depression symptoms, anxiety symptoms, posttraumatic stress symptoms, qality of life, sleep quality, daytime sleepiness, pain empathy, attachment style


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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

20 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Aged 20 years or older
2) Bereaved of a significant other (a family member, relative, friend, or partner)
3) Bereaved for more than 12 months
4) Capable to provide informed consent
5) MRI indicated

Key exclusion criteria

1) Any psychiatric disorders excluding prolonged grief disorder, depressive disorders, or posttraumatic stress disorder
2) Substance-related disorders within 6 months
3) Self-harm or suicide attempt within 6 months
4) A score less than 24 on Mini-Mental State Examination
5) Neurological disorders
6) Pregnancy

Target sample size

90


Research contact person

Name of lead principal investigator

1st name Takuya
Middle name
Last name Yoshiike

Organization

National Center of Neurology and Psychiatry

Division name

Department of Sleep-Wake Disorders, National Institute of Mental Health

Zip code

187-8553

Address

4-1-1 Ogawahigashi, Kodaira, Tokyo

TEL

042-346-2071

Email

yoshiike@ncnp.go.jp


Public contact

Name of contact person

1st name Takuya
Middle name
Last name Yoshiike

Organization

National Center of Neurology and Psychiatry

Division name

Department of Sleep-Wake Disorders, National Institute of Mental Health

Zip code

187-8553

Address

4-1-1 Ogawahigashi, Kodaira, Tokyo

TEL

042-346-2071

Homepage URL


Email

yoshiike@ncnp.go.jp


Sponsor or person

Institute

National Center of Neurology and Psychiatry

Institute

Department

Personal name



Funding Source

Organization

Japan Society for the Promotion of Science

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

Ethical Committee of National Center of Neuro logy and Psychiatry

Address

4-1-1 Ogawahigashi, Kodaira, Tokyo

Tel

042-346-2071

Email

rinri-jimu@ncnp.go.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

2022 Year 05 Month 17 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

2022 Year 03 Month 15 Day

Date of IRB

2022 Year 03 Month 22 Day

Anticipated trial start date

2022 Year 05 Month 10 Day

Last follow-up date

2024 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

None


Management information

Registered date

2022 Year 05 Month 17 Day

Last modified on

2022 Year 05 Month 17 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054472


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name