UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000063591
Receipt number R000072771
Scientific Title Healthy food choice confidence and well-being after a Teaching Kitchen programme in Japanese school-aged children: a single-arm pilot pre-post study
Date of disclosure of the study information 2026/11/11
Last modified on 2026/11/11 13:46:05

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Basic information

Public title

Changes in healthy food choice confidence and well-being after a Teaching Kitchen programme in Japanese school-aged children

Acronym

TK Kids Japan

Scientific Title

Healthy food choice confidence and well-being after a Teaching Kitchen programme in Japanese school-aged children: a single-arm pilot pre-post study

Scientific Title:Acronym

Changes in healthy food choice confidence and well-being after a Teaching Kitchen programme in Japanese school-aged children: a single-arm pilot pre-post study

Region

Japan


Condition

Condition

Healthy school aged children (grades 4 to 6)

Classification by specialty

Pediatrics Child

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The objective of this pilot study is to preliminarily evaluate short-term changes in confidence in choosing healthy foods, diet-related attitudes, and well-being among Japanese school-aged children after participation in a Teaching Kitchen programme. In addition, the study aims to explore candidate outcome measures for future controlled studies.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The primary outcome is change in child-reported confidence in choosing healthy foods. This outcome is assessed using a 5-point questionnaire at baseline (T1), immediately after programme completion (T2), and approximately 1 month after programme completion (T3). The primary analysis evaluates the change from T1 to T2.

Key secondary outcomes

Secondary outcomes are changes in child-reported life satisfaction, child quality of life, enjoyment of cooking, preference for fish dishes, preference for vegetable dishes, and considering nutritional balance when eating. Life satisfaction, child quality of life, enjoyment of cooking, preference for fish dishes, and preference for vegetable dishes are assessed at baseline (T1), immediately after programme completion (T2), and approximately 1 month after programme completion (T3). Considering nutritional balance when eating is assessed at T1 and T2.


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Diagnosis

Type of intervention

Behavior,custom

Interventions/Control_1

Participants receive a Teaching Kitchen programme for children in grades 4-6. The programme consists of six sessions of approximately 120 minutes each and includes mini-lectures, interactive activities, hands-on cooking practice, tasting, and reflection. Session themes include balanced meals, salt reduction and umami, fish, whole foods, Japanese food culture including fermented foods, and plant-based eating. All participants receive the same programme, and no control group is included.

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

9 years-old <=

Age-upper limit

12 years-old >=

Gender

Male and Female

Key inclusion criteria

Children in grades 4-6 who had parental or guardian consent to participate in the Teaching Kitchen programme and who provided assent or consent to participate in the study. Participants were also required to be able to take part in questionnaire assessments at baseline, immediately after programme completion, and approximately 1 month after programme completion.

Key exclusion criteria

Children judged by the investigators or programme staff to be unable to participate safely or appropriately in the programme for safety or operational reasons. Children with food allergies were not automatically excluded; instead, individual dietary accommodations were provided as needed.

Target sample size

22


Research contact person

Name of lead principal investigator

1st name Kokoro
Middle name
Last name Sano

Organization

Shokuno-Okusuri Inc.

Division name

Headquarter

Zip code

104-0061

Address

B1F, Kitasukiya Building, 4-1-saki Ginza, Chuo-ku, Tokyo 104-0061, Japan

TEL

0335615711

Email

sano@shokuno-okusuri.com


Public contact

Name of contact person

1st name Kazumi
Middle name
Last name Kubota

Organization

The University of Tokyo Hospital

Division name

Department of Healthcare Information Management

Zip code

113-8655

Address

7-3-1 Hongo, Bunkyo-ku, Tokyo

TEL

0358008685

Homepage URL


Email

kkubota@m.u-tokyo.ac.jp


Sponsor or person

Institute

Shokuno-Okusuri Inc

Institute

Department

Personal name



Funding Source

Organization

ANDO FOUNDATION

Organization

Division

Category of Funding Organization

Non profit foundation

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Public Health Research Foundation

Address

1-1-7 Nishiwaseda, Shinjuku-ku, Tokyo 169-0051, Japan

Tel

03-5287-5070

Email

p-info@phrf.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

2026 Year 11 Month 11 Day


Related information

URL releasing protocol


Publication of results

Partially published


Result

URL related to results and publications


Number of participants that the trial has enrolled

22

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

No longer recruiting

Date of protocol fixation

2025 Year 09 Month 01 Day

Date of IRB

2025 Year 09 Month 05 Day

Anticipated trial start date

2025 Year 09 Month 07 Day

Last follow-up date

2025 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

2026 Year 11 Month 11 Day

Last modified on

2026 Year 11 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000072771