UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000019635
Receipt number R000022341
Scientific Title Exploratory clinical study to examine the efficacy of the simultaneous subthreshold retinal-photocoagulation and the intravitreal injection of VEGF inhibitors for diabetic macular edema
Date of disclosure of the study information 2015/11/09
Last modified on 2022/05/04 20:14:40

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Basic information

Public title

Exploratory clinical study to examine the efficacy of the simultaneous subthreshold retinal-photocoagulation and the intravitreal injection of VEGF inhibitors for diabetic macular edema

Acronym

Simultaneous subthreshold retinal-photocoagulation and intravitreal injection of VEGFinhibitors for DME

Scientific Title

Exploratory clinical study to examine the efficacy of the simultaneous subthreshold retinal-photocoagulation and the intravitreal injection of VEGF inhibitors for diabetic macular edema

Scientific Title:Acronym

Simultaneous subthreshold retinal-photocoagulation and intravitreal injection of VEGFinhibitors for DME

Region

Japan


Condition

Condition

Diabetic macular edema

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Eyes received either intravitreal VEGF inhibitors injection independent therapy or combination therapy of VEGF inhibitors and subthreshold photocoagulation.
A purpose of this study is to evaluate whether we can reduce the number of the dosage of the VEGF inhibitors by combination therapy, and to examine the effectiveness.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

A period before re-injection : A period before re-injection being necessary after the 3 consecutive monthly intravitreal injection of VEGF inhibitors

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Medicine Maneuver

Interventions/Control_1

intravitreal injection of VEGF inhibitors

Interventions/Control_2

intravitreal injection of VEGF inhibitors

subthreshold retinal-photocoagulation

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


Not applicable

Gender

Male and Female

Key inclusion criteria

1) Japanese male and female >= 18 years with type 1 or 2 diabetes mellitus
2) DME with central involvementin the study eye
3) Decrease in vision determined to be primarily the result of DME in the study eye
4) central macular thickness >= 300um in the study eye
5)BCVA of 0.7 to 0.05 in the study eye

Key exclusion criteria

Laser photocoagulation (panretinal or macular) in the study eye within 90 days of day 1
Previous use of intraocular or periocular corticosteroids in the study eye within 120 days of day 1
Previous treatment with anti-angiogenic drugs in the study eye (pegaptanib sodium, bevacizumab, ranibizumab, etc.) within 90 days of day 1
Active proliferative diabetic retinopathy (PDR) in the study eye
Uncontrolled diabetes mellitus

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Shuichi
Middle name
Last name Yamamoto

Organization

Chiba University Graduate School of Medicine

Division name

Department of Ophthalmology and Visual Science

Zip code

260-8670

Address

1-8-1, Inohana, Chuo-ku, Chiba-City, Chiba, Japan

TEL

043-222-7171

Email

shuyama@faculty.chiba-u.jp


Public contact

Name of contact person

1st name Tomoaki
Middle name
Last name Tatsumi

Organization

Chiba University Graduate School of Medicine

Division name

Department of Ophthalmology and Visual Science

Zip code

260-8670

Address

1-8-1, Inohana, Chuo-ku, Chiba-City, Chiba, Japan

TEL

043-222-7171

Homepage URL


Email

ttatsumi@chiba-u.jp


Sponsor or person

Institute

Department of Ophthalmology and Visual Science, Chiba University Graduate School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Bayer Yakuhin Ltd

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

Chiba Univeratiy Certified Clinical Research Review Board

Address

1-8-1, Inohana, Chuo-ku, Chiba-City, Chiba, Japan

Tel

043-226-2616

Email

prc-jim@chiba-u.jp


Secondary IDs

Secondary IDs

YES

Study ID_1

jRCTs031180182

Org. issuing International ID_1

Japan Registry of Clinical Trialas

Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions

千葉大学医学部附属病院(千葉県)、千葉ろうさい病院(千葉県)


Other administrative information

Date of disclosure of the study information

2015 Year 11 Month 09 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

51

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

2015 Year 10 Month 14 Day

Date of IRB

2015 Year 07 Month 21 Day

Anticipated trial start date

2015 Year 12 Month 01 Day

Last follow-up date

2020 Year 09 Month 30 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded

2022 Year 03 Month 31 Day


Other

Other related information



Management information

Registered date

2015 Year 11 Month 04 Day

Last modified on

2022 Year 05 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000022341