UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000058286
Receipt number R000066361
Scientific Title A verification Study on the Effects of Test Food Intake on Visual Function in Healthy Adults - Randomized, Placebo-Controlled, Double-Blind, Parallel-Group Comparison Trial -
Date of disclosure of the study information 2025/06/26
Last modified on 2025/07/22 14:29:38

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Basic information

Public title

A verification Study on the Effects of Test Food Intake on Visual Function in Healthy Adults - Randomized, Placebo-Controlled, Double-Blind, Parallel-Group Comparison Trial -

Acronym

A verification Study on the Effects of Test Food Intake on Visual Function in Healthy Adults

Scientific Title

A verification Study on the Effects of Test Food Intake on Visual Function in Healthy Adults - Randomized, Placebo-Controlled, Double-Blind, Parallel-Group Comparison Trial -

Scientific Title:Acronym

A verification Study on the Effects of Test Food Intake on Visual Function in Healthy Adults

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the effects of 12 weeks of continuous consumption of the test food on visual function in adult men and women

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Accommodation amplitude

Key secondary outcomes

Near visual acuity, Near point distance, Morphological measurement by Anterior segment OCT, Questionnaire survey, Pupil diameter


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

intake one tablet of test food once daily, for 12 weeks

Interventions/Control_2

intake one tablet of placebo food once daily, for 12 weeks

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

60 years-old >=

Gender

Male and Female

Key inclusion criteria

1. Age: 20-60 years old
2. Healthy men or women
3. Individuals who feel difficulty seeing nearby objects or reading small text
4. Uncorrected or corrected visual acuity of 1.0 or higher in both eyes
5. No subjective symptoms of dry eye
6. Able to attend visits wearing glasses instead of contact lenses (soft or hard) on the day of the visit
7. Non-smokers (have not smoked for at least one year)
8. Capable of entering data into an electronic diary using a smartphone or PC
9. Individuals who have received sufficient explanation about the study's purpose and content, fully understand it, voluntarily wish to participate, and provide written informed consent

Key exclusion criteria

1. Individuals currently undergoing treatment for any disease with medication or herbal remedies (as-needed use permitted)
2. Individuals under dietary or exercise therapy supervised by a physician
3. Individuals who have a history of or currently have a severe diseases
4. Individuals who have a history of or currently have a organic ophthalmic diseases other than refractive errors, or those with a history of refractive correction surgery or intraocular surgery
5. Individuals taking or using medications (including eye drops) or supplements that may affect test results (e.g., those claiming to improve visual function or affecting pupil diameter/function), unless they can discontinue use during the study period (starting one week prior to screening).
6. Individuals who routinely use hot eye masks or similar care products
7. Individuals who habitually consume fruits (including processed food such as fruit jam) or vegetable/fruit juices (including green juice) more than twice a week, unless they can discontinue consumption during the study period (starting one week prior to screening).
8. Individuals with potential allergic reactions to the investigational food or its ingredients
9. Individuals working night shifts or rotating shifts
10. Individuals planning significant lifestyle changes (diet, sleep, exercise, etc.) during the study period
11. Individuals planning overseas travel during the study period
12. Pregnant or breastfeeding individuals, or those planning to become pregnant during the study period
13. Individuals who participated in another clinical study within one month prior to consent or are currently participating, or planning to participate during the study period
14. Individuals deemed unsuitable for participation by the principal investigator or study director

Target sample size

60


Research contact person

Name of lead principal investigator

1st name Hitoshi
Middle name
Last name Mitsuzumi

Organization

Nagase Viita Co., Ltd.

Division name

Product Value Creation Department

Zip code

702-8006

Address

675-1 Fujisaki, Naka-ku, Okayama-shi, Okayama, Japan

TEL

086-276-3141

Email

hitoshi.mitsuzumi@nagase.co.jp


Public contact

Name of contact person

1st name Yoshitada
Middle name
Last name Hira

Organization

IMEQRD Co., Ltd.

Division name

Planning and Sales Department

Zip code

104-0061

Address

6-2-1 Ginza, Chuo-ku, Tokyo, Japan

TEL

03-6704-5968

Homepage URL


Email

clinical-trial@imeqrd.co.jp


Sponsor or person

Institute

IMEQRD Co. Ltd.

Institute

Department

Personal name



Funding Source

Organization

Nagase Viita Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)

ROHTO Pharmaceutical Co., Ltd


IRB Contact (For public release)

Organization

Suda Clinic institutional review board

Address

2-8-14,Takadanobaba,Shinjuku,Tokyo

Tel

03-6704-5968

Email

jimukyoku@imeqrd.co.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

2025 Year 06 Month 26 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

No longer recruiting

Date of protocol fixation

2025 Year 05 Month 27 Day

Date of IRB

2025 Year 05 Month 27 Day

Anticipated trial start date

2025 Year 06 Month 27 Day

Last follow-up date

2025 Year 10 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 06 Month 26 Day

Last modified on

2025 Year 07 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000066361