UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060400
Receipt number R000069093
Scientific Title A Clinical Review of Corneal Transplantation Cases Performed with a Biopsy Trephine
Date of disclosure of the study information 2026/01/20
Last modified on 2026/01/18 16:15:22

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

Corneal Transplantation Performed with a Biopsy Trephine

Acronym

Corneal Transplantation Conducted with a Biopsy Trephine

Scientific Title

A Clinical Review of Corneal Transplantation Cases Performed with a Biopsy Trephine

Scientific Title:Acronym

Evaluation of Corneal Transplantation Using a Biopsy Trephine

Region

Japan


Condition

Condition

Corneal perforation, Microcornea

Classification by specialty

Ophthalmology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the surgical outcomes of corneal transplantation performed with a biopsy trephine at Nagasaki University Hospital and to assess its usefulness.

Basic objectives2

Others

Basic objectives -Others

This is expected to lead to expanded indications for corneal transplantation and improved treatment outcomes.

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Corneal Findings One Year After Corneal Transplantation

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


Not applicable

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Patients who underwent corneal transplantation using a biopsy trephine at the Department of Ophthalmology, Nagasaki University Hospital

Key exclusion criteria

Patients deemed unsuitable as research subjects by researchers.

Target sample size

43


Research contact person

Name of lead principal investigator

1st name Akio
Middle name
Last name Oishi

Organization

Nagasaki University Graduate School of Biomedical Sciences

Division name

Department of Ophthalmology and Visual Science

Zip code

852-8501

Address

1-7-1 Sakamoto, Nagasaki City, Nagasaki Prefecture

TEL

+81-95-819-7345

Email

akio.oishi@nagasaki-u.ac.jp


Public contact

Name of contact person

1st name Mao
Middle name
Last name Kusano

Organization

Nagasaki University Hospital

Division name

Ophthalmology

Zip code

852-8501

Address

1-7-1 Sakamoto, Nagasaki City, Nagasaki Prefecture

TEL

+81-95-819-7345

Homepage URL


Email

maok@nagasaki-u.ac.jp


Sponsor or person

Institute

Nagasaki University

Institute

Department

Personal name



Funding Source

Organization

Nagasaki University

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

Nagasaki University Hospital Clinical Research Center

Address

1-7-1 Sakamoto, Nagasaki City, Nagasaki Prefecture

Tel

+81-95-819-7726

Email

rinshoukenshu@ml.nagasaki-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

2026 Year 01 Month 20 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

43

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

No longer recruiting

Date of protocol fixation

2025 Year 09 Month 20 Day

Date of IRB

2026 Year 01 Month 13 Day

Anticipated trial start date

2025 Year 10 Month 01 Day

Last follow-up date

2026 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Patient background, surgical findings, and postoperative course will be collected from the medical records of the target patients, and data analysis will be performed on the surgical findings and postoperative course.


Management information

Registered date

2026 Year 01 Month 18 Day

Last modified on

2026 Year 01 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069093