UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000029456
Receipt number R000033657
Scientific Title Investigating chromatic aberration and opacity of cataractous eyes with three wavelength wavefront analyzer
Date of disclosure of the study information 2017/10/10
Last modified on 2020/03/19 20:16:08

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Basic information

Public title

Investigating chromatic aberration and opacity of cataractous eyes with three wavelength
wavefront analyzer

Acronym

Chromatic aberration and opacity of cataractous eyes

Scientific Title

Investigating chromatic aberration and opacity of cataractous eyes with three wavelength
wavefront analyzer

Scientific Title:Acronym

Chromatic aberration and opacity of cataractous eyes

Region

Japan


Condition

Condition

Cataract

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Evaluation of distribution of chromatic aberrations of cataractous eyes and simulating retinal images using monochromatic aberration and opacity for investigating visual function of the subjects.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Axial chromatic aberration

Key secondary outcomes

Shack-Hartmann image


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

1

Purpose of intervention

Diagnosis

Type of intervention

Device,equipment

Interventions/Control_1

Several minute examination using the three wavelength wavefront analyzer

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

Cataractous eyes

Key exclusion criteria

Retinal diseases

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Tetsuro
Middle name
Last name Oshika

Organization

University of Tsukuba

Division name

Faculty of Medicine

Zip code

305-8575

Address

1-1-1 Tennoudai, Tsukuba Ibaraki

TEL

029-853-3148

Email

g-tukuba@md.tsukuba.ac.jp


Public contact

Name of contact person

1st name Toshifumi
Middle name
Last name Mihashi

Organization

University of Tsukuba

Division name

Faculty of Medicine

Zip code

305-8575

Address

1-1-1 Tennoudai, Tsukuba Ibaraki

TEL

029-853-3148

Homepage URL


Email

mihashi@md.tsukuba.ac.jp


Sponsor or person

Institute

Faculty of Medicine
University of Tsukuba

Institute

Department

Personal name



Funding Source

Organization

Topcon Corp.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

University of Tsukuba

Address

1-1-1 Tennodai Tsukuba

Tel

029-853-3914

Email

rinshokenkyu@un.tsukuba.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

筑波大学付属病院


Other administrative information

Date of disclosure of the study information

2017 Year 10 Month 10 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

2017 Year 10 Month 02 Day

Date of IRB

2017 Year 11 Month 02 Day

Anticipated trial start date

2017 Year 10 Month 23 Day

Last follow-up date

2018 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2017 Year 10 Month 06 Day

Last modified on

2020 Year 03 Month 19 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000033657


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name