UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000049874
Receipt number R000056802
Scientific Title Effects of Light Stimulation of Melanopsin Retinal Ganglion Cells on Pupil Diameter in Humans Based on Silent Substitution Method
Date of disclosure of the study information 2022/12/22
Last modified on 2022/12/22 16:18:01

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Basic information

Public title

Effects of Light Stimulation of Melanopsin Retinal Ganglion Cells on Pupil Diameter in Humans Based on Silent Substitution Method

Acronym

Effects of Light Stimulation of Melanopsin Retinal Ganglion Cells on Pupil Diameter in Humans Based on Silent Substitution Method

Scientific Title

Effects of Light Stimulation of Melanopsin Retinal Ganglion Cells on Pupil Diameter in Humans Based on Silent Substitution Method

Scientific Title:Acronym

Effects of Light Stimulation of Melanopsin Retinal Ganglion Cells on Pupil Diameter in Humans Based on Silent Substitution Method

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To determine the differential effects of control methods in light stimulation on pupil response.

Basic objectives2

Others

Basic objectives -Others

To determine the differences in the effects of control methods on pupillary response in light stimuli and to apply them to ambient light in daily life.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

pupil diameter

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

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Other

Interventions/Control_1

Light with different control methods (silent-substitution method, background contrast method, frequency modulation method)

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

20 years-old <=

Age-upper limit

30 years-old >

Gender

Male and Female

Key inclusion criteria

Since the purpose is to collect basic data, the study will be conducted with adults, not the elderly.

Key exclusion criteria

Patients with a result score of 3 or 4 on the Cornell Medical Index for neurosis emotional disorders
Extreme morning person or extreme night person in Mornings Eveningness Questionnaire
Pittsburgh Sleep Questionnaire with a score of 6 or higher
Those who have had a change in their living hours due to shift work or travel to time zones within one month
Those who are taking any oral medication or smoking
Students who are currently enrolled or may be enrolled in a course that the principal investigator is taking

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Tomoko
Middle name
Last name Wakamura

Organization

Kyoto University

Division name

Human Health Sciences, Graduate School of Medicine

Zip code

606-8507

Address

53, Shogoin, Kawahara-cho, Sakyo-ku, Kyoto

TEL

81-75-751-3974

Email

wakamura.tomoko.5v@kyoto-u.ac.jp


Public contact

Name of contact person

1st name Tomoko
Middle name
Last name Wakamura

Organization

Kyoto University

Division name

Human Health Sciences, Graduate School of Medicine

Zip code

606-8507

Address

53, Shogoin, Kawahara-cho, Sakyo-ku, Kyoto

TEL

81-75-751-3974

Homepage URL


Email

wakamura.tomoko.5v@kyoto-u.ac.jp


Sponsor or person

Institute

Kyoto University

Institute

Department

Personal name



Funding Source

Organization

ELM 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

Kyoto University Graduate School and Faculty of Medicine Ethics Committee

Address

Konoe-cho, Sakyo-ku, Kyoto

Tel

075-753-4680

Email

ethcom@kuhp.kyoto-u.ac.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

2022 Year 12 Month 22 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

2022 Year 12 Month 22 Day

Date of IRB


Anticipated trial start date

2022 Year 12 Month 22 Day

Last follow-up date

2023 Year 06 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2022 Year 12 Month 22 Day

Last modified on

2022 Year 12 Month 22 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000056802


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name