The Spectralis-Cirrus Study

June 8, 2010 updated by: The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery

Comparison of Quality and Reproducibility of Retinal Thickness Measurements in Two Spectral Domain OCT- Machines

Retinal thickness measurement is one of the most important examinations in the follow up of exudative age-related macular degeneration. Prior studies have shown that there are a series of algorithm line failures in OCT examinations. This study is conducted to compare the quality of the examinations of to different spectral domain OCT machines concerning the positioning of algorithm lines. Furthermore the reproducibility of the examinations id tested, both machines provide different techniques to guarantee that in repeated examinations the same location is examined.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Anticipated)

110

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

  • Austria
      • Vienna, Austria, 1030
        • Ludwig Boltzmann Institute for Retinology and Biomicroscopic Lasersurgery

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

50 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

male or female persons aged more than 50 years with exudative age related macular degeneration

Description

Inclusion Criteria:

  • Exudative age related macular degeneration

Exclusion Criteria:

  • Macular pathologies other than age related macular degeneration (diabetic maculopathy, macular pucker, macular hole,
  • Visualization of the macula not possible (dens cataract, vitreous haemorrhage)
  • Not consented patients

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Group 1
Intervention 1 Sequence of observers: observer1, observer 2, observer 1, observer 2
Device: Cirrus-Spectralis
512x128 cúbe program of Cirrus OCT first retinal volume 121 line of Spectralis OCT thereafter
group 2
intervention 1 sequence of observers: observer 2, observer 1, observer 2, observer 1
Device: Cirrus-Spectralis
512x128 cúbe program of Cirrus OCT first retinal volume 121 line of Spectralis OCT thereafter
group 3
intervention 2 sequence of observers: 1,2,1,2
Device: Spectralis-Cirrus
retinal volume program 121 lines Spectralis OCT first 512x128 program Cirrus OCT thereafter
group 4
intervention 2 sequence of observers: 2,1,2,1
Device: Spectralis-Cirrus
retinal volume program 121 lines Spectralis OCT first 512x128 program Cirrus OCT thereafter
group 5
intervention 1 sequence of observers 1,1,2,2
Device: Cirrus-Spectralis
512x128 cúbe program of Cirrus OCT first retinal volume 121 line of Spectralis OCT thereafter
group 6
intervention 1 sequence of observers 2,2,1,1
Device: Cirrus-Spectralis
512x128 cúbe program of Cirrus OCT first retinal volume 121 line of Spectralis OCT thereafter
group 7
intervention 2 sequence of observers: 1,1,2,2
Device: Spectralis-Cirrus
retinal volume program 121 lines Spectralis OCT first 512x128 program Cirrus OCT thereafter
group 8
intervention 2 sequence of observers: 2,2,1,1
Device: Spectralis-Cirrus
retinal volume program 121 lines Spectralis OCT first 512x128 program Cirrus OCT thereafter

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Number of examinations with correctly set threshold algorithm lines
Time Frame: 1 day
1 day

Secondary Outcome Measures

Outcome Measure
Time Frame
Differences of mean retinal thickness in the central region
Time Frame: 1 day
1 day
Differences of retinal volume
Time Frame: 1 day
1 day
Distance acuity
Time Frame: 1 day
1 day
Age
Time Frame: 1 day
1 day
Classification of the lesion
Time Frame: 1 day
1 day

Collaborators and Investigators

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

Sponsor

The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery

Investigators

  • Study Chair: Susanne Binder, MD, Prof, Ludwig Boltzmann Institute for Retinology and Biomicroscopic Laser Surgery

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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

July 1, 2009

Primary Completion (Actual)

December 1, 2009

Study Completion (Actual)

December 1, 2009

Study Registration Dates

First Submitted

June 23, 2009

First Submitted That Met QC Criteria

June 23, 2009

First Posted (Estimate)

June 24, 2009

Study Record Updates

Last Update Posted (Estimate)

June 9, 2010

Last Update Submitted That Met QC Criteria

June 8, 2010

Last Verified

June 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 09-086-0609

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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