UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062761
Receipt number R000071845
Scientific Title A Questionnaire Survey on the Use of Smartphones as Augmentative and Alternative Communication in People with Chronic Aphasia
Date of disclosure of the study information 2026/09/02
Last modified on 2026/09/01 10:59:23

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Basic information

Public title

A Questionnaire Survey on the Use of Smartphones as Compensatory Strategies in People with Aphasia

Acronym

Smartphone Compensatory Strategy Survey

Scientific Title

A Questionnaire Survey on the Use of Smartphones as Augmentative and Alternative Communication in People with Chronic Aphasia

Scientific Title:Acronym

Survey of Smartphone Use as AAC in People with Chronic Aphasia

Region

Japan


Condition

Condition

Aphasia

Classification by specialty

Rehabilitation medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to investigate how people with chronic aphasia use smartphones as augmentative and alternative communication (AAC) in daily life. A questionnaire survey will be conducted to identify situations in which participants experience communication difficulties, whether they use smartphones as a compensatory means of communication, how they use smartphones for communication, and reasons for not using smartphones when applicable.

Basic objectives2

Others

Basic objectives -Others

To investigate the use of smartphones as augmentative and alternative communication (AAC) in daily life among people with aphasia.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Ways of Using Smartphones as Augmentative and Alternative Communication (AAC) in Daily Life

Key secondary outcomes

Situations with Communication Difficulties
Smartphone Use
Reasons for Not Using Smartphones


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

* Individuals who are receiving outpatient or day-care rehabilitation services at Keio University Hospital, Tokyo Bay Rehabilitation Hospital, or Tokyo Bay Rehabilitation Center.

* Individuals who live at home.

* People with aphasia who are at least 6 months post-onset, or their cohabiting family members.

Key exclusion criteria

* Individuals with marked cognitive impairment, as indicated by a low score on the Raven's Colored Progressive Matrices (RCPM).

* Individuals who have difficulty initiating spontaneous behavior due to a reduced level of consciousness.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Michiyuki
Middle name
Last name Kawakami

Organization

Keio University School of Medicine

Division name

Department of Rehabilitation Medicine

Zip code

160-8582

Address

35 Shinanomachi, Shinjuku-ku, Tokyo, Japan

TEL

03-5363-3833

Email

michiyukikawakami@hotmail.com


Public contact

Name of contact person

1st name Nobuhiro
Middle name
Last name Takatsu

Organization

Keio University School of Medicine

Division name

Department of Rehabilitation Medicine

Zip code

160-8582

Address

35 Shinanomachi, Shinjuku-ku, Tokyo, Japan

TEL

03-5363-3833

Homepage URL


Email

lang.nobu@gmail.com


Sponsor or person

Institute

Keio University

Institute

Department

Personal name

Kawakami Michiyuki


Funding Source

Organization

Keio University

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor

Tokyo Bay rehabilitation hospital

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Keio University School of Medicine

Address

35 Shinanomachi, Shinjuku-ku, Tokyo, Japan

Tel

03-5363-3611

Email

keio@esct.bvits.com


Secondary IDs

Secondary IDs

YES

Study ID_1

20251238

Org. issuing International ID_1

Keio University School of Medicine Ethics Committee

Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

慶應義塾大学病院(東京都)、東京湾岸リハビリテーション病院(千葉県)


Other administrative information

Date of disclosure of the study information

2026 Year 09 Month 02 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

2026 Year 03 Month 31 Day

Date of IRB

2026 Year 03 Month 31 Day

Anticipated trial start date

2026 Year 09 Month 01 Day

Last follow-up date

2028 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

This is an observational study using a questionnaire.


Management information

Registered date

2026 Year 09 Month 01 Day

Last modified on

2026 Year 09 Month 01 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000071845