Retinal Vessel Diameter in Branch Retinal Vein Occlusion

August 29, 2016 updated by: Dong Ho Park, Kyungpook National University Hospital

Change of Retinal Vessel Diameter in Branch Retinal Vein Occlusion After Intravitreal Bevacizumab Injection

The authors investigated the consecutive change of retinal vessel's diameter in affected eye and fellow eye of Branch Retinal Vein Occlusion.

Study Overview

Status

Completed

Conditions

Detailed Description

Twenty five consecutive patients who had undergone intravitreal bevacizumab injection for Branch Retinal Vein Occlusion with macular edema were included in this study. All subjects were enrolled between April, 2012 and April, 2013 in the Department of Ophthalmology, Kyungpook National University Hospital.

Study Type

Observational

Enrollment (Actual)

25

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
    • Kyungsangpookdo
      • Daegu, Kyungsangpookdo, Korea, Republic of, 700-721
        • Dong Ho Park

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

40 years to 85 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

A total of 25 patients will be included. All subjects with branch retinal vein occlusion scheduled for intravitreal bevacizumab injection.

Description

Inclusion Criteria:

  • Best-corrected visual acuity less than 20/40
  • Central subfield macular thickness (CSMT) 300 μm or greater on spectral-domain optical coherence tomography

Exclusion Criteria:

  • Patients with recurrent BRVO
  • History of previous treatments for BRVO including vitreoretinal surgery, intravitreal injection, subtenon injection or laser photocoagulation
  • Patients with diabetes or dyslipidemia
  • IOP ≥ 22mmHg, treatment for glaucoma, a family history of glaucoma, or optic neuropathy
  • High myopia (<-6 Diopters), high hyperopia (>6 Diopters) or a history of refractive surgeries
  • Co-existing retinal disease other than BRVO
  • Corneal diseases include ulcer, keratoconus and a history of corneal laceration
  • Cataract and other media opacities resulting in visual impairment or poor fundus images

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: Case-Only
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
BRVO, Retinal vessel diameter
The retinal vessel diameter was measured Branch Retinal Vein Occlusion patients after intravitreal bevacizumab injection.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Unoccluded retinal vessel diameter of Branch Retinal Vein Occlusion
Time Frame: 0, 1, 3, and 6 months
To evaluate the change of unoccluded retinal vessel diameter in affected eye of Branch Retinal Vein Occlusion and unaffected fellow eye.
0, 1, 3, and 6 months

Collaborators and Investigators

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

Sponsor

Kyungpook National University Hospital

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

April 1, 2012

Primary Completion (Actual)

July 1, 2016

Study Completion (Actual)

August 1, 2016

Study Registration Dates

First Submitted

August 11, 2014

First Submitted That Met QC Criteria

August 12, 2014

First Posted (Estimate)

August 13, 2014

Study Record Updates

Last Update Posted (Estimate)

August 30, 2016

Last Update Submitted That Met QC Criteria

August 29, 2016

Last Verified

August 1, 2016

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • KNUHOPH2014-01

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

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.

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