UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000052648
Receipt number R000060019
Scientific Title Investigation of the effects of organic light-emitting diode (OLED) illumination on melatonin secretion and sleep.
Date of disclosure of the study information 2023/10/30
Last modified on 2025/03/13 16:45:47

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Basic information

Public title

Investigation of the effects of organic light-emitting diode illumination on melatonin secretion and sleep.

Acronym

Investigation of the effects of organic light-emitting diode illumination on melatonin secretion and sleep.

Scientific Title

Investigation of the effects of organic light-emitting diode (OLED) illumination on melatonin secretion and sleep.

Scientific Title:Acronym

Investigation of the effects of organic light-emitting diode (OLED) illumination on melatonin secretion and sleep.

Region

Japan


Condition

Condition

Adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To compare the effects of light environments of general LED lighting, OLED lighting, and OLED lighting with further reduced blue light on melatonin secretion and sleep.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Melatonin secretion, Sleep indices

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

5

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

The patient will be irradiated for 300 minutes (melatonin test) in an OLED lighting environment with further reduction of blue light.

Interventions/Control_2

The patient will be irradiated for 300 minutes (melatonin test) in an OLED lighting environment.

Interventions/Control_3

The patient will be irradiated for 240 minutes (sleep test) in an OLED lighting environment with further reduction of blue light.*Details to be determined by melatonin test results.

Interventions/Control_4

The patient will be irradiated for 240 minutes (sleep test) in an OLED lighting environment.*Details to be determined by melatonin test results.

Interventions/Control_5

The patient will be irradiated for 240 minutes (sleep test) in a general LED lighting.*Details to be determined by melatonin test results.

Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit

35 years-old >=

Gender

Male

Key inclusion criteria

1) Japanese males aged 18 to 35 years old.
2) Healthy subjects not receiving any medical treatment
3) No medication use.
4) Not taking any sleeping supplements(Functional foods that claim to improve sleep quality, such as melatonin supplements and tryptophan supplements)
5) Not engaged in night shift/shift work
6) Habitual sleeping hours of 7 to 9 hours
7) Those whose habitual bedtime is between 23:00 and 25:00
8) Able to make designated visits and fill in records
9) The subject must have given written consent to this study.

Key exclusion criteria

1) With ophthalmologic disease
2) PSQI more than 6
3) BMI more than 25
4) MEQ 30 or less or MEQ more than70
5) Patients who need dental treatment
6) Those with irregular lifestyle
7) AUDIT more than 15
8) Smokers
9-1) Those who cannot refrain from taking food for specified health use, functional foods, or other so-called health foods during the study period
9-2) Those who are unable to refrain from taking foods for specified health use, foods with functional claims, or other so-called health foods during the test period
10) Those who have traveled to time zone within the last 1 month.
11) Those who cannot stop consuming caffeine or alcohol during the study period.
12) Patients with mental illness
13) Participation in other clinical trials *Last 1 month
14) Those who are allergic to metals(Exclusion criteria only in sleep studies)

Target sample size

42


Research contact person

Name of lead principal investigator

1st name Youichi
Middle name
Last name YAMAGUCHI

Organization

KANEKA CORPORATION

Division name

OLED Business Development Project Center of BusinessGroup OLED Lighting Design & Planning Team

Zip code

107-6090

Address

1-12-32 Akasaka, Minato-ku, Tokyo, JAPAN

TEL

03-5574-8000

Email

youichi.yamaguchi1@kaneka.co.jp


Public contact

Name of contact person

1st name Masako
Middle name
Last name Mizuuchi

Organization

APO PLUS STATION CO., LTD.

Division name

Clinical Operations Dept., CRO Business div.

Zip code

1030027

Address

2-14-1,Nihonbashi,Chuo-ku,Tokyo, Japan

TEL

03-6386-8809

Homepage URL


Email

food-contact@apoplus.co.jp


Sponsor or person

Institute

APO PLUS STATION CO., LTD.

Institute

Department

Personal name



Funding Source

Organization

KANEKA 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

Ethical review committee, Kanazawabunko Hospital

Address

2-6-22 Kamariya Higashi, Kanazawa-ku, Yokohama, Kanagawa

Tel

0570-783-706

Email

r.yokohama@kanabun-hp.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

2023 Year 10 Month 30 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

Completed

Date of protocol fixation

2023 Year 10 Month 16 Day

Date of IRB

2023 Year 10 Month 16 Day

Anticipated trial start date

2023 Year 10 Month 31 Day

Last follow-up date

2025 Year 12 Month 31 Day

Date of closure to data entry

2025 Year 12 Month 31 Day

Date trial data considered complete


Date analysis concluded



Other

Other related information

1.The planned sample size is 12 subjects for the melatonin study and 30 subjects for the sleep study, but the precise sample size of the sleep study will be estimated based on the result of the melatonin study.
2.The contents of the interventions for the sleep study (interventions 3-5)is to be finalized based on the result of the melatonin study.


Management information

Registered date

2023 Year 10 Month 30 Day

Last modified on

2025 Year 03 Month 13 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000060019