UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048502
Receipt number R000055268
Scientific Title A two-session couple intervention for improving couple satisfaction: A feasibility randomized controlled trial (RCT)
Date of disclosure of the study information 2022/08/01
Last modified on 2023/07/29 10:43:33

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Basic information

Public title

A two-session couple intervention for improving couple satisfaction

Acronym

A couple intervention for improving couple satisfaction

Scientific Title

A two-session couple intervention for improving couple satisfaction: A feasibility randomized controlled trial (RCT)

Scientific Title:Acronym

A feasibility RCT of a couple intervention

Region

Japan


Condition

Condition

Couple relationship

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study investigates the feasibility of the two-session couple intervention, both qualitatively and quantitatively.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

Program safety (qualitative and quantitative), acceptability (qualitative and quantitative), effectiveness ("the couple satisfaction index Japanese version" scores at the post, one month, and three months), and completion rate (quantitative) of the intervention.

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

No treatment

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Other

Interventions/Control_1

Two-session online couple intervention (80 minutes per session)

Interventions/Control_2

Wait list control group

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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Couples who can participate in the study together.
2) Couples who have been cohabiting for at least one year.
3) At least one of the partners has the CSI-4 (i.e., short version of the couple satisfaction index) score of 12 points or less.
4) Couples who can participate in the online interview with PC.
5) Couples who can participate in the study for at least three months continuously.
6) Couples who agree to withdraw from the intervention even after it has begun if the therapist decides that participation is inappropriate for the couple.
7) Couples who agree that the results of each others' responses to the pre-questionnaires can be shared during the intervention sessions.

Key exclusion criteria

1) Couples with psychological or physical violence.
2) Couples with alcohol-related problems
3) Couples in which either or both partners have ongoing infidelity.
4) Couples in either or both partners have a history of receiving medical treatment by a psychiatrist or psychosomatic physician within the past six months.
5) Couples in which one or both partners are currently receiving counselling or psychotherapy.
6) Couples who are about to divorce or separate.

Target sample size

40


Research contact person

Name of lead principal investigator

1st name Takashi
Middle name
Last name Mitamura

Organization

Ritsumeikan University

Division name

College of comprehensive psychology

Zip code

567-8570

Address

2-150 Iwakura-cho, Ibaraki, Osaka 567-8570 JAPAN

TEL

072-665-2214

Email

mitamura-psyc@umin.ac.jp


Public contact

Name of contact person

1st name Takashi
Middle name
Last name Mitamura

Organization

Ritsumeikan University

Division name

College of comprehensive psychology

Zip code

567-8570

Address

2-150 Iwakura-cho, Ibaraki, Osaka 567-8570 JAPAN

TEL

072-665-2214

Homepage URL


Email

mitamura-psyc@umin.ac.jp


Sponsor or person

Institute

College of comprehensive psychology, Ritsumeikan University

Institute

Department

Personal name



Funding Source

Organization

KAKENHI, JSPS

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

Ritsumeikan University Ethics Review Committee for Research Involving Human Subjects (Humanities and Social Sciences)

Address

56-1 Toji-in Kitamachi, Kita-ku, Kyoto, Japan

Tel

075-465-8319

Email

k-rinri@st.ritsumei.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

2022 Year 08 Month 01 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

Completed

Date of protocol fixation

2022 Year 05 Month 31 Day

Date of IRB

2022 Year 07 Month 13 Day

Anticipated trial start date

2022 Year 08 Month 01 Day

Last follow-up date

2023 Year 03 Month 31 Day

Date of closure to data entry

2023 Year 03 Month 31 Day

Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 07 Month 28 Day

Last modified on

2023 Year 07 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000055268


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name