UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000019008
Receipt number R000021988
Scientific Title The research of the functional visual acuity and the prevalence of dry eye among drivers
Date of disclosure of the study information 2015/09/14
Last modified on 2023/09/27 17:09:50

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Basic information

Public title

The research of the functional visual acuity and the prevalence of dry eye among drivers

Acronym

The research of the functional visual acuity and the prevalence of dry eye among drivers

Scientific Title

The research of the functional visual acuity and the prevalence of dry eye among drivers

Scientific Title:Acronym

The research of the functional visual acuity and the prevalence of dry eye among drivers

Region

Japan


Condition

Condition

Not applicable

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To study the ophthalmic difference between vehicle accident experienced drivers and inexperienced, through questionnaire and ophthalmic examination.

Basic objectives2

Others

Basic objectives -Others

Epidemiology

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

The comparison of the dry eye diagnostic ratio of vehicle accident experienced drivers and inexperienced.

Key secondary outcomes



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

Defined in terms of age limit and gender only.

Key exclusion criteria

Anamnestic history of hypersensitivity to fluorescein.
The investigator/sub investigator has judged that the volunteer is ineligible as study subject.

Target sample size

300


Research contact person

Name of lead principal investigator

1st name Motoko
Middle name
Last name Kawashima

Organization

Keio university school of medicine

Division name

Department of ophthalmology

Zip code

160-0016

Address

35 Shinanomachi Shinjuku-ku Tokyo

TEL

03-3353-1211

Email

motoko-k@a3.keio.jp


Public contact

Name of contact person

1st name Motoko
Middle name
Last name Kawashima

Organization

Keio university school of medicine

Division name

Department of ophthalmology

Zip code

160-0016

Address

35 Shinanomachi Shinjuku-ku Tokyo

TEL

03-3353-1211

Homepage URL


Email

motoko-k@a3.keio.jp


Sponsor or person

Institute

Collaborative joint clinical research organized with Dry Eye Society and Santen Pharmaceutical Co., Ltd.

Institute

Department

Personal name



Funding Source

Organization

Santen Pharmaceutical Co., Ltd.

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

Institutional Review Board, Shinanozaka Clinic

Address

Yotsuya Medical Building, 20 Samon-cho, Shinjuku-ku, Tokyo

Tel

03-5366-3006

Email

h-ogura@trcp.co.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

2015 Year 09 Month 14 Day


Related information

URL releasing protocol

None

Publication of results

Published


Result

URL related to results and publications

None

Number of participants that the trial has enrolled

301

Results

Percentage of dry eye (confirmed + suspected): 219/300 (73.0%)
Proportion of dry eye by accident status: accident-induced (152/198; 76.8%), non-accident-induced (67/102; 65.7%)
Practical visual acuity: visual acuity maintenance (logMAR 0.949), mean visual acuity (logMAR 0.142)
BUT: 5.25 s, Schirmer Test I method: 15.3 mm, keratoconjunctival staining score: 0.5 points

Results date posted

2023 Year 09 Month 27 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Persons undergoing driver aptitude tests conducted by NASVA.

Participant flow

Subject background, driving questionnaire,visual questionnaire, subjective symptom identification, Visual Acuity, BUT measurement, keratoconjunctival staining score, Schirmer Test I measurement and adverse events were examined in normal volunteers who had undergone a driver aptitude assessment at NASVA and provided consent.

Adverse events

No adverse event

Outcome measures

Comparison of dry eye prevalence in accident-involved and non-accident-involved groups
Visual Acuity
Tear Film Breakup Time (BUT)
Fluorescein keratoconjunctival staining score
Schirmer test I method

Plan to share IPD

The data presented in this study are not available.

IPD sharing Plan description

The data presented in this study are not available.


Progress

Recruitment status

Completed

Date of protocol fixation

2015 Year 08 Month 07 Day

Date of IRB

2016 Year 06 Month 02 Day

Anticipated trial start date

2015 Year 08 Month 28 Day

Last follow-up date

2015 Year 09 Month 09 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Study type:Transversal study
Recruiting method:
Drivers who have done the competence test for occupational drivers from Aug. to Sep.2015.
Consenters who meet selection criteria and skirt deselection with written informed consent
Survey item:
Questionnaire
Ophthalmic examination


Management information

Registered date

2015 Year 09 Month 14 Day

Last modified on

2023 Year 09 Month 27 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000021988


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name