UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061475
Receipt number R000070346
Scientific Title Efficacy of a workshop promoting vegetable intake among young adults: An evaluation based on consciousness and behavioral changes and objective indicators
Date of disclosure of the study information 2026/05/07
Last modified on 2026/05/07 15:41:43

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Basic information

Public title

Efficacy of a workshop promoting vegetable intake among young adults: An evaluation based on consciousness and behavioral changes and objective indicators

Acronym

Efficacy of a workshop promoting vegetable intake among young adults: An evaluation based on consciousness and behavioral changes and objective indicators

Scientific Title

Efficacy of a workshop promoting vegetable intake among young adults: An evaluation based on consciousness and behavioral changes and objective indicators

Scientific Title:Acronym

Efficacy of a workshop promoting vegetable intake among young adults: An evaluation based on consciousness and behavioral changes and objective indicators

Region

Japan


Condition

Condition

First-year life science students at a university in Japan (students participating in the workshop within a compulsory lecture) who received sufficient explanation about the study and provided voluntary electronic consent via a web form using a smartphone, etc.

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate consciousness, dietary habits, and behavioral changes regarding vegetables and salads before and after a workshop promoting salad intake for young adults (university students) using a questionnaire, and to quantify vegetable intake levels using a non-invasive device to verify how changes in consciousness link to actual intake status.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Change in skin carotenoid levels at the fingertip measured by a non-invasive device (objective vegetable intake level). Evaluation of consciousness and behavioral changes through a questionnaire: attributes/cooking experience, consciousness/attitudes towards vegetables, psychological indicators (Satisfaction With Life Scale: SWLS, Flourishing Scale: FS), and behavioral/knowledge changes due to the workshop.

Key secondary outcomes



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

Educational,Counseling,Training

Type of intervention

Other

Interventions/Control_1

Under the common goal of "specific methods to encourage university students to consume more salads," each group of subjects will design investigation themes from unique perspectives and conduct group work aimed at solving problems (3 sessions within lecture hours).

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

First-year life science students at a university in Japan (students participating in the workshop within a compulsory lecture) who received sufficient explanation about the study and provided voluntary electronic consent via a web form using a smartphone, etc.

Key exclusion criteria

Those who do not consent to participate in this study, or who withdraw their consent.

Target sample size

60


Research contact person

Name of lead principal investigator

1st name toshiharu
Middle name
Last name tanaka

Organization

Kewpie Corporation

Division name

R&D Division

Zip code

1820002

Address

2-5-7, Sengawa-cho, Chofu-shi, Tokyo

TEL

03-5384-7759

Email

toshiharu_tanaka@kewpie.co.jp


Public contact

Name of contact person

1st name Yui/ Wei
Middle name
Last name Ou/Wang

Organization

Kewpie Corporation

Division name

R&D Division

Zip code

1820002

Address

2-5-7, Sengawa-cho, Chofu-shi, Tokyo

TEL

03-5384-7759

Homepage URL


Email

yui_ou@kewpie.co.jp


Sponsor or person

Institute

Kewpie Corporation

Institute

Department

Personal name



Funding Source

Organization

Kewpie Corporation

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

Shiba Palace Clinic Ethics Review Committee

Address

DaiwaA Hamamatsucho Bldg. 3F, 1-9-10, Hamamatsucho, Minato-ku, Tokyo, 105-0013, JAPAN

Tel

03-5408-1599

Email

shiba_palace@s-palace-clinic.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



Other administrative information

Date of disclosure of the study information

2026 Year 05 Month 07 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

52

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

2026 Year 04 Month 26 Day

Date of IRB

2026 Year 04 Month 23 Day

Anticipated trial start date

2026 Year 04 Month 28 Day

Last follow-up date

2026 Year 06 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 05 Month 07 Day

Last modified on

2026 Year 05 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070346