UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000036667
Receipt number R000041775
Scientific Title Cognitive training via conversation support to healthy older adults-1
Date of disclosure of the study information 2019/05/08
Last modified on 2021/04/14 21:44:07

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Basic information

Public title

Cognitive training via conversation support to healthy older adults-1

Acronym

Cognitive training via conversation support to healthy older adults-1

Scientific Title

Cognitive training via conversation support to healthy older adults-1

Scientific Title:Acronym

Cognitive training via conversation support to healthy older adults-1

Region

Japan


Condition

Condition

Healthy older adults

Classification by specialty

Neurology Geriatrics Psychiatry

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

This study`s purpose is to gather evidence on the effect of a group conversation intervention on cognition in healthy older adults.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

(1) Cognitive function
-Montreal Cognitive Assessment (MOCA)
-Mini Mental State Examination (MMSE)
-WMS-R, Logical memory I,II
-Advanced Trail Making Test (ATMT)
-Digit span
-Digit symbol
-Verbal fluency

Evaluation
Before intervention and after intervention (12 weeks)

(2) Brain Imaging
-MRI
-fMRI
-DTI

Evaluation
After 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

YES

Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Behavior,custom

Interventions/Control_1

Intervention group participants receive weekly 30-minute intervention sessions, each followed by 30 minutes of explanation about intervention.

Interventions/Control_2

The active control sessions in the control group involved 30 minutes of weekly unstructured conversation among the group and 30 minutes of health education about successful aging.

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

65 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

(1)>=65 years old
(2)MMSE>=24
(3)Can complete evaluations and interventions
(4)Agree to participate

Key exclusion criteria

(1)Having any neurological impairment known to affect the central nervous system
(2)Having any serious complicating disorder
(3)Having any history of serious head injury
(4)Having any disease or medication known to affect the central nervous system

Target sample size

65


Research contact person

Name of lead principal investigator

1st name Mihoko
Middle name
Last name Otake-Matsuura

Organization

RIKEN

Division name

Center for Advanced Intelligence Project

Zip code

103-0027

Address

Nihonbashi 1-chome Mitsui Building, 15th floor, 1-4-1 Nihonbashi, Chuo-ku, Tokyo 103-0027, Japan

TEL

0362252482

Email

mihoko.otake@riken.jp


Public contact

Name of contact person

1st name Mihoko
Middle name
Last name Otake-Matsuura

Organization

RIKEN

Division name

Center for Advanced Intelligence Project

Zip code

103-0027

Address

Nihonbashi 1-chome Mitsui Building, 15th floor, 1-4-1 Nihonbashi, Chuo-ku, Tokyo 103-0027, Japan

TEL

0362252482

Homepage URL


Email

mihoko.otake@riken.jp


Sponsor or person

Institute

The RIKEN Center for Advanced Intelligence Project

Institute

Department

Personal name



Funding Source

Organization

The RIKEN Center for Advanced Intelligence Project

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

RIKEN, Bio Safety and Ethics Section

Address

2-1, Hirosawa, Wako, Saitama, Japan

Tel

048-467-9293

Email

mizuho.mamiya@riken.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

2019 Year 05 Month 08 Day


Related information

URL releasing protocol

https://www.frontiersin.org/articles/10.3389/frobt.2021.633076/full

Publication of results

Published


Result

URL related to results and publications

https://www.frontiersin.org/articles/10.3389/frobt.2021.633076/full

Number of participants that the trial has enrolled

65

Results

Among the primary outcome measures, one of the subcategories of cognitive functions, verbal fluency significantly improved in the intervention group. Among the process outcome measures, a part of the subcategories of linguistic characteristics of speech, the amount of speech and richness of words, proportion of providing topics, questions, and answers in total utterances were larger for the intervention group.

Results date posted

2021 Year 04 Month 14 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

The participants were community-living healthy adults aged over 65 years, recruited from the Silver Human Resources Center.

Participant flow

The intervention was provided once a week for 12 weeks.

Adverse events

None

Outcome measures

Primary outcome measures were the cognitive functions; process outcome measures included the linguistic characteristics of speech to estimate interaction quality.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2018 Year 03 Month 01 Day

Date of IRB

2018 Year 06 Month 04 Day

Anticipated trial start date

2018 Year 06 Month 04 Day

Last follow-up date

2018 Year 11 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2019 Year 05 Month 07 Day

Last modified on

2021 Year 04 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000041775


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name