UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000047757
Receipt number R000054446
Scientific Title Exploration of visual function evaluation methods and clinical endpoints in patients with ultra-low vision
Date of disclosure of the study information 2022/05/16
Last modified on 2022/10/26 11:13:13

* 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

Exploration of visual function evaluation methods and clinical endpoints in patients with ultra-low vision

Acronym

Exploration of visual function evaluation methods and clinical endpoints in patients with ultra-low vision

Scientific Title

Exploration of visual function evaluation methods and clinical endpoints in patients with ultra-low vision

Scientific Title:Acronym

Exploration of visual function evaluation methods and clinical endpoints in patients with ultra-low vision

Region

Japan


Condition

Condition

Inherited Retinal Disease: IRD

Classification by specialty

Ophthalmology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Exploration of visual function assessment indices for patients with very low visual acuity.

Basic objectives2

Others

Basic objectives -Others

Exploration of visual function assessment indices for patients with very low visual acuity.

Trial characteristics_1

Exploratory

Trial characteristics_2

Others

Developmental phase

Not applicable


Assessment

Primary outcomes

-Full-field retinal sensitivity to light by full-field stimulus threshold (FST) testing

Key secondary outcomes

-Slit-lamp microscopy
-Visual acuity test
-Visual field test
-Fundus photography
-Fundus autofluorescence
-OCT
-ERG
-Visual evoked potential
-Electrically evoked response
-Mobility test
-ADL test
-Questionnaire regarding QOL


Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


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


Not applicable

Gender

Male and Female

Key inclusion criteria

[Inclusion Criteria for IRD Subject]
-Age: Men and women who are at least 20 years old at the time of obtaining consent.
-Patients diagnosed with IRD (depending on phenotype).
-At the time of obtaining consent, visual acuity of the worse eye is less than or equal to the counting finger (i.e. no light perception, light perception, hand motion, and counting finger)

[Inclusion Criteria for Healthy Subject]
-Age: Men and women who are at least 20 years old at the time of obtaining consent.
-Those who have no severe refractive error (severe refractive error: spherical equivalent -6D and less or +5D and more)
-Best-corrected visual acuity (decimal) 1.0 or better of both eyes at the time of obtaining consent.

Key exclusion criteria

1. Healthy people with other eye complications that significantly affect visual field or visual acuity, and with abnormal findings detected by slit-lamp microscopy, fundoscopy, OCT.
2. Those who underwent eye surgery within 3 months.
3. Subjects who have with a history of allergy to the agents to be used in this study, e.g. mydriatic agent, anesthetic agent, etc.
4. Subjects who are diagnosed with dementia or mental illness.
5. Those who are pregnant or lactating.
6. Those who are currently participating in other clinical trials.
7. Those who have participated in a clinical trial for therapeutic purposes within the past 3 months.
8. Those who with a history or suspected or confirmed diagnosis of alcohol or other drug addictions.
9. Those who unable to understand the evaluation and examination procedures.
10. Those who, in the judgment of the principal investigator, are considered to be at risk of becoming ineligible for the study.
11. Those who are judged by the principal investigator or other investigators to be inappropriate for participation in this study.

Target sample size

65


Research contact person

Name of lead principal investigator

1st name Kazuno
Middle name
Last name Negishi

Organization

Keio University School of Medicine

Division name

Department of Ophthalmology

Zip code

160-8582

Address

35 Shinanomachi Shinjyuku-ku Tokyo, Japan

TEL

03-5843-6993

Email

kazunonegishi@keio.jp


Public contact

Name of contact person

1st name Toshihide
Middle name
Last name Kurihara

Organization

Keio University School of Medicine

Division name

Department of Ophthalmology

Zip code

160-8582

Address

35 Shinanomachi Shinjyuku-ku Tokyo, Japan

TEL

070-4921-5196

Homepage URL


Email

kurihara@z8.keio.jp


Sponsor or person

Institute

Keio University school of Medicine

Institute

Department

Personal name



Funding Source

Organization

Restore Vision 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

Keio University School of Medicine Ethics Committee

Address

35 Shinanomachi Shinjyuku-ku Tokyo, Japan

Tel

03-3353-1211

Email

med-rinri-jimu@adst.keio.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

慶應義塾大学医学部
Keio University School of Medicine


Other administrative information

Date of disclosure of the study information

2022 Year 05 Month 16 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

Open public recruiting

Date of protocol fixation

2022 Year 02 Month 10 Day

Date of IRB

2022 Year 02 Month 10 Day

Anticipated trial start date

2022 Year 06 Month 01 Day

Last follow-up date

2026 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Exploration of visual function assessment indices for patients with very low visual acuity.


Management information

Registered date

2022 Year 05 Month 14 Day

Last modified on

2022 Year 10 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054446


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name