UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000057933
Receipt number R000066232
Scientific Title Investigation of the Effect of Pupil Area on Electroretinogram Recordings Under Dark Adaptation
Date of disclosure of the study information 2025/06/30
Last modified on 2025/05/21 20:23:49

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Investigation of the Effect of Pupil Area on Electroretinogram Recordings Under Dark Adaptation Conditions

Acronym

Mesopic ERG

Scientific Title

Investigation of the Effect of Pupil Area on Electroretinogram Recordings Under Dark Adaptation

Scientific Title:Acronym

Mesopic ERG Study

Region

Japan


Condition

Condition

Not applicable

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effect of changes in pupil area on electroretinogram (ERG) recordings under dark-adapted conditions.

Basic objectives2

Others

Basic objectives -Others

To deliver light stimuli under Td (Troland) conditions while varying the pupil area, record electroretinograms (ERGs) under dark-adapted conditions, and analyze whether the results vary depending on pupil diameter.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Changes in implicit time and amplitude of rod response under dark-adapted conditions

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

Diagnosis

Type of intervention

Medicine

Interventions/Control_1

The subject will instill pilocarpine eye drops twice at five-minute intervals.

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

18 years-old <=

Age-upper limit

60 years-old >=

Gender

Male and Female

Key inclusion criteria

Healthy adults without ocular disease

Aged 18 years or older

Able to provide written informed consent after receiving an explanation of the study

Key exclusion criteria

History of hypersensitivity to pilocarpine eye drops

Use of a cardiac pacemaker

History or suspected history of epilepsy

Presence of bronchial asthma

Pregnant or breastfeeding individuals

Judged as inappropriate for participation by the principal or sub-investigator

Target sample size

20


Research contact person

Name of lead principal investigator

1st name Kumiko
Middle name
Last name Kato

Organization

Mir University

Division name

Ophthalmology

Zip code

514-8507

Address

2-174, Edobashi, Tsu-shi, Mie

TEL

059-232-1111

Email

k-kato@med.mie-u.ac.jp


Public contact

Name of contact person

1st name Kumiko
Middle name
Last name Kato

Organization

Mie University

Division name

Ophthalmology

Zip code

514-8507

Address

2-174, Edobashi, Tsu-shi, Mie

TEL

0592311111

Homepage URL


Email

k-kato@clin.medic.mie-u.ac.jp


Sponsor or person

Institute

Mie University

Institute

Department

Personal name



Funding Source

Organization

Mie University

Organization

Division

Category of Funding Organization

Japanese Governmental office

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board (IRB), Mie University Hospital

Address

2-174 Edobashi, Tsu City, Mie 514-8507, Japan

Tel

0592311111

Email

kk-sien@med.mie-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

2025 Year 06 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

Preinitiation

Date of protocol fixation

2025 Year 06 Month 30 Day

Date of IRB


Anticipated trial start date

2025 Year 07 Month 01 Day

Last follow-up date

2027 Year 03 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 05 Month 21 Day

Last modified on

2025 Year 05 Month 21 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000066232