Change in Foveal Avascular Zone After Removal of Epiretinal Membrane and Internal Limiting Membrane

November 25, 2013 updated by: Samsung Medical Center

Fovea is characterized by its vessel-free zone, called foveal avascular zone and it can be visualized by fluorescein angiography. Removal of epiretinal membrane and internal limiting membrane is frequently performed procedure and we suspected that these procedures may affect integrity of foveal avascular zone.

The purpose of the present study is to evaluate the change of foveal avascular zone after removal of epiretinal membrane and internal limiting membrane

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

32

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Korea, Republic of
      • Seoul, Korea, Republic of
        • Recruiting
        • Samsung Medical Center
        • Sub-Investigator:
          • Ga Eun Cho, MD
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

20 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • epiretinal membrane

Exclusion Criteria:

  • history of vitrectomy, intraocular surgery
  • any macular disease other than epiretinal membrane
  • media opacity obscuring the image of fluorescein angiography

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: epiretinal membrane
Procedure: epiretinal membrane and internal limiting membrane removal
fluorescein angiography is performed before, 1 week, 3months and 6months after the epiretinal membrane and internal limiting membrane removal.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
area of foveal avascular zone
Time Frame: postoperative 6 months
the change in area of foveal avascular zone at postoperative 6 months
postoperative 6 months

Secondary Outcome Measures

Outcome Measure
Time Frame
change in visual acuity
Time Frame: postoperative 6 months
postoperative 6 months
change in macular thickness
Time Frame: at 6 months
at 6 months
change in metamorphopsia
Time Frame: postoperative 6 months
postoperative 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Samsung Medical Center

Investigators

  • Principal Investigator: Se Woong Kang, MD, Samsung Medical Center

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2013

Primary Completion (Anticipated)

November 1, 2014

Study Completion (Anticipated)

May 1, 2015

Study Registration Dates

First Submitted

November 10, 2013

First Submitted That Met QC Criteria

November 10, 2013

First Posted (Estimate)

November 15, 2013

Study Record Updates

Last Update Posted (Estimate)

November 26, 2013

Last Update Submitted That Met QC Criteria

November 25, 2013

Last Verified

November 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2013-07-163

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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