UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000042867
Receipt number R000048726
Scientific Title Prospective interventional study of ocular safety for 222 nm UVC room disinfection lamp
Date of disclosure of the study information 2020/12/28
Last modified on 2022/01/06 19:51:30

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Basic information

Public title

Study of ocular safety for 222 nm UVC room disinfection lamp

Acronym

Study of ocular safety for 222 nm UVC room disinfection lamp

Scientific Title

Prospective interventional study of ocular safety for 222 nm UVC room disinfection lamp

Scientific Title:Acronym

Study of ocular safety for 222 nm UVC room disinfection lamp

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To confirm the ocular safety for 222 nm UVC room disinfection lamp

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Pragmatic

Developmental phase



Assessment

Primary outcomes

Grade of Corneal erosion and conjunctival hypermia at 24 hour,1 month, 3 months and 6 months after ultraviolet irradiation

Key secondary outcomes

Visual acuity, refractive power, corneal cell density, skin erythema, adverse events


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

5

Purpose of intervention

Prevention

Type of intervention

Device,equipment

Interventions/Control_1

Ultraviolet of 222 nm at 22 mJ / cm2 are irradiated.

Interventions/Control_2

Ultraviolet of 222 nm at 50 mJ / cm2 are irradiated.

Interventions/Control_3

Ultraviolet of 222 nm at 50 mJ / cm2 are irradiated.

Interventions/Control_4

Ultraviolet of 222 nm at 75 mJ / cm2 are irradiated.

Interventions/Control_5

Ultraviolet of 222 nm at 75 mJ / cm2 are irradiated.

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

50 years-old >

Gender

Male and Female

Key inclusion criteria

1)Those who obtained document consent by their own voluntary intention about participation in this trial
2)Avoiding exposure for ultraviolet within 48 hours.
3)Corrected visual acuity 0.04
4)Not being treated for eye diseases that affect eyesight.
.5)Do not use eye drops or topical medication for facial skin

Key exclusion criteria

1)People wearing contact lens.
2)Engaged in out door work that are exposed UV(field work, welding, etc.).
3)Anyone with abnormalities in the cornea.(corneal eroion D score > 2, or congestion score >2.)
4)Patient with dryeye.
5)Patient with atopic dermatitis.
6)Patient with sun sensitivity.
7)Participating in clinical trials involving other interventions or will participate between the enrollment of this study and the end of observation.
8)Others who are judged inappropriate by the doctor in charge of this trial.

Target sample size

5


Research contact person

Name of lead principal investigator

1st name Masaki
Middle name
Last name Tanito

Organization

Shimane University

Division name

Ophthalmology

Zip code

6930021

Address

89-1, Enya-Cho, Izumo city, Shimane prefecture, Japan

TEL

0853202284

Email

mtanito@med.shimane-u.ac.jp


Public contact

Name of contact person

1st name Kazunobu
Middle name
Last name Sugihara

Organization

Shimane University

Division name

Ophthalmology

Zip code

6930021

Address

89-1, Enya-Cho, Izumo city, Shimane prefecture, Japan

TEL

0853202284

Homepage URL


Email

ksugi@med.shimane-u.ac.jp


Sponsor or person

Institute

Shimane University

Institute

Department

Personal name



Funding Source

Organization

Ushio Inc

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional review boards at Faculty of Medicine, Shimane University

Address

89-1, Enya-Cho, Izumo city, Shimane prefecture, Japan

Tel

0853-20-2259

Email

kenkyu@med.shimane-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

2020 Year 12 Month 28 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

Main results already published

Date of protocol fixation

2020 Year 12 Month 24 Day

Date of IRB

2021 Year 01 Month 05 Day

Anticipated trial start date

2021 Year 01 Month 14 Day

Last follow-up date

2022 Year 08 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

2020 Year 12 Month 28 Day

Last modified on

2022 Year 01 Month 06 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048726


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name