UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000040639
Receipt number R000046383
Scientific Title A comparative study of the usefulness of the complete occlusion method and the incomplete occlusion method in functional amblyopia
Date of disclosure of the study information 2020/06/03
Last modified on 2021/06/04 16:57:59

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Basic information

Public title

Comparison of complete and incomplete occlusion methods in amblyopia

Acronym

Comparison of occlusive methods for amblyopia

Scientific Title

A comparative study of the usefulness of the complete occlusion method and the incomplete occlusion method in functional amblyopia

Scientific Title:Acronym

Comparison of complete and incomplete occlusion methods in amblyopia

Region

Japan


Condition

Condition

amblyopia

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

A comparative study of the usefulness of the complete occlusion method and the incomplete occlusion method in functional amblyopia.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Explanatory

Developmental phase

Phase III


Assessment

Primary outcomes

visual acuity improvement period

Key secondary outcomes

Visual acuity
refraction value
Accommodating paralysis refraction value
Eye position
Stereoacuity


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Cluster

Blinding

Open -but assessor(s) are blinded

Control

Active

Stratification

YES

Dynamic allocation

YES

Institution consideration

Institution is considered as adjustment factor in dynamic allocation.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

Continue complete occlusion occlusion treatment until vision is restored to 1.0

Interventions/Control_2

Continue imcomplete occlusion occlusion treatment nis restored to 1.0

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

2 years-old <=

Age-upper limit

9 years-old >

Gender

Male and Female

Key inclusion criteria

Patients diagnosed with functional amblyopia with no eye diseases other than refractive error

Key exclusion criteria

1. Those with eye movement restriction (abduction restriction)
2. Cranial MRI or CT reveals intracranial disease or intraorbital disease
3. Those who have already been diagnosed at another hospital and have already started treatment
4. What the researcher deems inappropriate

Target sample size

200


Research contact person

Name of lead principal investigator

1st name Satoru
Middle name
Last name Totsuka

Organization

Kitasato University hospital

Division name

Ophthalmology

Zip code

2520375

Address

1-15-1 Kitasato, Minami-ku, Sagamihara

TEL

0427788111

Email

satoru.totsuka@gmail.com


Public contact

Name of contact person

1st name Satoru
Middle name
Last name Totsuka

Organization

Kitasato university hospital

Division name

Ophthalmology

Zip code

2520375

Address

1-15-1 Kitasato, Minami-ku, Sagamihara

TEL

0427788429

Homepage URL


Email

satoru.totsuka@gmail.com


Sponsor or person

Institute

Kitasato university hospital

Institute

Department

Personal name



Funding Source

Organization

Kitasato university hospital

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization

JPN


Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kitasato university hospital

Address

1-15-1 Kitasato, Minami-ku, Sagamihara

Tel

0427788111

Email

satoru.totsuka@gmail.com


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 06 Month 03 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

2000 Year 06 Month 01 Day

Date of IRB

2020 Year 06 Month 30 Day

Anticipated trial start date

2020 Year 07 Month 01 Day

Last follow-up date

2024 Year 06 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

2020 Year 06 Month 03 Day

Last modified on

2021 Year 06 Month 04 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046383


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name