UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000063282
Receipt number R000072437
Scientific Title A Proof-of-Concept Study of a Public Health Nurse-Supported Digital Dietary Improvement Program for Public Health Nurses, Community Health Class Volunteers, and Older Adult Participants within an Existing Municipal Health Program
Date of disclosure of the study information 2026/10/16
Last modified on 2026/10/14 20:44:40

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Basic information

Public title

A Proof-of-Concept Study of a Public Health Nurse-Supported Digital Dietary Improvement Program for Public Health Nurses, Community Health Class Volunteers, and Older Adult Participants within an Existing Municipal Health Program

Acronym

A Proof-of-Concept Study of a Public Health Nurse-Supported Digital Dietary Improvement Program for Public Health Nurses, Community Health Class Volunteers, and Older Adult Participants within an Existing Municipal Health Program

Scientific Title

A Proof-of-Concept Study of a Public Health Nurse-Supported Digital Dietary Improvement Program for Public Health Nurses, Community Health Class Volunteers, and Older Adult Participants within an Existing Municipal Health Program

Scientific Title:Acronym

A Proof-of-Concept Study of a Public Health Nurse-Supported Digital Dietary Improvement Program for Public Health Nurses, Community Health Class Volunteers, and Older Adult Participants within an Existing Municipal Health Program

Region

Japan


Condition

Condition

No

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To assess the usability of the Digital Dietary Improvement Program -which features meal logging and dietary habit assessment functions- and its effects on diet-related awareness and behaviors among older adults, as well as its usability and usefulness as a tool to support public health nurses in providing dietary guidance.

Basic objectives2

Others

Basic objectives -Others

Confirmation of efficacy, user experience, etc.

Trial characteristics_1


Trial characteristics_2

Pragmatic

Developmental phase

Not applicable


Assessment

Primary outcomes

Acceptability of and intention to continue using the Digital Dietary Improvement Program, including satisfaction, intention for continued use, willingness to recommend it, and usefulness in the workplace.

Key secondary outcomes

Secondary Outcome Measures
1. Changes in food group intake and the food diversity index
2.Changes in attitudes and behaviors related to diet and health
3. Changes in usage of the Digital Dietary Improvement Program
4. Improved work efficiency, reduced workload, and enhanced quality of dietary guidance

Exploratory Outcome Measures
1. Associations between the food diversity index and each outcome measure
2. Free-text responses and interview findings


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Self control

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Behavior,custom

Interventions/Control_1

Public health nurses use the Digital Dietary Improvement Program to manage the record status of older adults and others, and to support dietary guidance.
Older adults and Community Health Class Volunteers in the program use the Digital Dietary Improvement Program to record and check their own diet and habits, and to use its support features based on those records to improve their dietary lifestyles.

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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

[Public Health Nurses]
1. Individuals employed as public health nurses at the participating local government municipality.
2. Individuals who provide dietary guidance as public health nurses using the Digital Dietary Improvement Program in the participating local government municipality's FY2026 "Brain and Body Training Class" program.
3. Individuals who, after reading and fully understanding the explanatory document regarding participation in the PoC study, have provided consent of their own free will.

[Community Health Class Volunteers]
1. Individuals residing in the participating local government municipality.
2. Individuals serving as Community Health Class Volunteers in the participating local government municipality's FY2026 "Brain and Body Training Class" program.
3. Individuals who, after reading and fully understanding the explanatory document regarding participation in the PoC study, have provided consent of their own free will.

[Older Adults]
1. Individuals aged 65 or older at the start of their participation in the "Brain and Body Training Class" and residing in the participating local government municipality.
2. Individuals participating in the participating local government municipality's FY2026 "Brain and Body Training Class" program.
3. Individuals who, after reading and fully understanding the explanatory document regarding participation in the PoC study, have provided consent of their own free will.

Key exclusion criteria

No

Target sample size

23


Research contact person

Name of lead principal investigator

1st name Michihiro
Middle name
Last name Takada

Organization

Ajinomoto Co., Inc.

Division name

Research Institute for Bioscience Products and Fine Chemicals

Zip code

210-8681

Address

1-1 Suzuki-cho, Kawasaki-ku, Kawasaki City, Kanagawa Prefecture

TEL

070-1002-5065

Email

michihiro.takada.c5v@asv.ajinomoto.com


Public contact

Name of contact person

1st name Masatsugu
Middle name
Last name Shimomasuda

Organization

Ajinomoto Co., Inc.

Division name

Research Institute for Bioscience Products and Fine Chemicals

Zip code

210-8681

Address

1-1 Suzuki-cho, Kawasaki-ku, Kawasaki City, Kanagawa Prefecture

TEL

080-2427-6713

Homepage URL


Email

masatsugu.shimomasud.3de@asv.ajinomoto.com


Sponsor or person

Institute

Ajinomoto Co., Inc.

Institute

Department

Personal name



Funding Source

Organization

Ajinomoto Co., Inc.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

AJINOMOTO INSTITUTIONAL REVIEW BOARD

Address

7-1 Kyobashi 1-Chome, Chuo-ku, Tokyo 104-0031, Japan

Tel

03-5250-8111

Email

irb.admin.p52@asv.ajinomoto.com


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

自治体(Local government municipality)


Other administrative information

Date of disclosure of the study information

2026 Year 10 Month 16 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

Preinitiation

Date of protocol fixation

2026 Year 10 Month 09 Day

Date of IRB

2026 Year 10 Month 09 Day

Anticipated trial start date

2026 Year 10 Month 16 Day

Last follow-up date

2027 Year 03 Month 26 Day

Date of closure to data entry

2027 Year 03 Month 26 Day

Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 10 Month 14 Day

Last modified on

2026 Year 10 Month 14 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072437