Effect of the Membrane Blue Dual® Dye on the Retinal Sensitivity in Macular Hole Surgery (MICROCOL)

October 5, 2021 updated by: Fondation Ophtalmologique Adolphe de Rothschild

Pilot Study of the Effect on the Retinal Sensitivity of the Membrane Blue Dual® Dye Used for Peeling of the Internal Limiting Membrane in Macular Hole Surgery

The idiopathic macular hole, age-related disease, is a major cause of vision loss and affects at least two persons in 1000 after 40 years.

This hole causes an acute decline linked to a central scotoma. The only treatment is surgical. The surgery involves removing the posterior hyaloid (vitreous base) to relieve the tensile forces. To be sure the removed is complete and to facilitate the closure of the hole, a peeling of the internal limiting, the outermost layer of the retina, is often suggested. The inner limiting membrane (ILM), transparent and adherent to the retina, is colored with vital dyes to facilitate its removal. After closure of the macular hole, the central scotoma disappears but a diffuse and asymptomatic loss of pericentral sensitivity is often described. This sensitivity decrease could be induced by the dyes used during surgery.

This effect has not been studied clinically for recent dyes (Membrane Blue Dual®, Brilliant Blue®, Acid Violet®) at the concentrations used, but is known in electrophysiology at higher concentrations, at least on the isolated retina models.

It would be interesting to search for a decrease in retinal peri-foveal postoperative sensitivity after surgery of macular holes, performed with the usual dyes. Only microperimetry can observe this decrease in retinal sensitivity. This is a noninvasive technique that explores the macular visual field. It is performed without iris dilatation and allows an automatic exploration ensuring rapid and accurate analysis of retinal sensitivity.

Study Overview

Status

Completed

Conditions

Study Type

Observational

Enrollment (Actual)

34

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

  • France
      • Dijon, France
        • CHU Dijon
      • Paris, France, 75019
        • Fondation Ophtalmologique A. de Rotchschild

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Patients referred for macular hole surgery

Description

Inclusion Criteria:

  • age ≥ 18 years
  • lower idiopathic macular hole inferior or equal to 600 micron millimeter
  • undergoing macular hole surgery

Exclusion Criteria:

  • Myopia > -3 diopters
  • pregnant women
  • no Health Insurance coverage
  • refusal to participate in the study

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

  • Observational Models: Other
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
change in retinal sensitivity
Time Frame: change from baseline sensitivity at 1 month after macular hole surgery
change from baseline sensitivity at 1 month after macular hole surgery
change from baseline sensitivity at 1 month after macular hole surgery

Collaborators and Investigators

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

Sponsor

Fondation Ophtalmologique Adolphe de Rothschild

Investigators

  • Principal Investigator: Yannick Le Mer, MD, Fondation OPH A de Rothschild

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 (Actual)

February 23, 2017

Primary Completion (Actual)

February 23, 2021

Study Completion (Actual)

October 5, 2021

Study Registration Dates

First Submitted

September 5, 2016

First Submitted That Met QC Criteria

September 5, 2016

First Posted (Estimate)

September 9, 2016

Study Record Updates

Last Update Posted (Actual)

October 6, 2021

Last Update Submitted That Met QC Criteria

October 5, 2021

Last Verified

October 1, 2021

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • YLR_2015_4

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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.

Clinical Trials on Macular Hole Surgery

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Switzerland

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

Subscribe