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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT04469140
Registration number
NCT04469140
Ethics application status
Date submitted
23/06/2020
Date registered
13/07/2020
Titles & IDs
Public title
Non Exudative AMD Imaged With SS-OCT- Extension
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Scientific title
Non Exudative Age-Related Macular Degeneration Imaged With Swept Source Optical Coherence Tomography: The Extension Study
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Secondary ID [1]
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BIRC-02 IMPACT SWAGGER
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Universal Trial Number (UTN)
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Trial acronym
BIRC-02
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Dry Macular Degeneration
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Condition category
Condition code
Eye
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Diseases / disorders of the eye
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Treatment: Devices - SS-OCT imaging
Cohort 1 'IMPACT Cohort' - Subjects with intermediate AMD in both eyes, and at least one eye with a drusen volume in the central 3 mm circle centered on the fovea of at least 0.02mm3 in the absence of GA or nGA as diagnosed with OCT en face imaging OR subjects with AMD (early or intermediate) diagnosed in one eye and exudative AMD diagnosed in the fellow eye will undergo SS-OCT imaging every 3 months for 2 years
Cohort 2 'SWAGGER Cohort' - Subjects with GA or nGA secondary to AMD that is at least the size of a large druse (125 microns in diameter; 0.05 mm2) and no greater than 7 disc areas (17 mm2) in at least one eye will undergo SS-OCT imaging every 3 months for 2 years
Cohort 3 - Subjects with GA enrolled in another trial
Treatment: Devices: SS-OCT imaging
All subjects will undergo retinal imaging using the Zeiss PlexElite SS-OCT, a non-contact, non-invasive ocular imaging instrument
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Change in the Percentage of Choroidal Perfusion Deficits at 1 year compared to Baseline
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Assessment method [1]
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Compare the percentage of choroidal perfusion deficits as measured using automated algorithms
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Timepoint [1]
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1-year and 2-year time points
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Secondary outcome [1]
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Pre-existing and new sub-clinical Macular Neovascularization (MNV)
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Assessment method [1]
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Identify the number of abnormal new vessels arising from the Choroid at Baseline, 1-year and 2-year time points
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Timepoint [1]
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1-year and 2-year time points
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Secondary outcome [2]
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Automated Drusen Volume measurements
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Assessment method [2]
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Compare the automated measurements of drusen volume using the Zeiss algorithm with manual measurements by trained readers
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Timepoint [2]
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1-year and 2-year time points
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Secondary outcome [3]
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Automated Geography Atrophy measurements
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Assessment method [3]
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Compare the automated measurements of Geography Atrophy area using the Zeiss algorithm with manual measurements by trained readers
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Timepoint [3]
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1-year and 2-year time points
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Secondary outcome [4]
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Choroidal Thickness (millimeters)
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Assessment method [4]
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Correlate Choroidal Thickness measurements (millimeters) with Age related Macular Degeneration (AMD) progression/Geographic Atrophy growth rates
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Timepoint [4]
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1-year and 2-year time points
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Secondary outcome [5]
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Choroidal Vascularity Index (percentage)
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Assessment method [5]
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Correlate Choroidal Vascularity Index (percentage) with Age related Macular Degeneration (AMD) progression/Geographic Atrophy growth rates
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Timepoint [5]
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1-year and 2-year time points
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Eligibility
Key inclusion criteria
* Enrollment in and completion of the BIRC-01 study
* Clinic diagnosis of non-exudative iAMD in at least one eye with a drusen volume in the central 3 mm circle centered on the fovea of at least 0.02 mm3 in the absence of GA or nGA as diagnosed with OCT en face imaging OR Clinical diagnosis of early or early/intermediate stage AMD in one eye in the absence of nGA or GA and exudative AMD in the other eye OR clinical diagnosis of GA or nGA secondary to AMD that is at least the size of a large druse (125 microns in diameter; 0.05 mm2) and no greater than 7 disc areas (17 mm2) in at least one eye which has never been treated with anti-VEGF agents
* Willing and able to comply with clinic visits and study-related procedures
* Provide signed informed consent
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Minimum age
No limit
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Subjects with exudative AMD in both eyes
* Eyes with evidence of non-proliferative and proliferative diabetic retinopathy.
* Presence of confounding ocular diagnosis such as myopia >6D, or other ocular conditions that may cause retinal pigment epithelium atrophy or exudative MNV
* Subjects currently or previously enrolled in other interventional clinical trials in which treatment was administered to the study eye.
* Previous vitrectomy or intravitreal injections in the study eye.
* Axial length measurement = 26 mm.
* Subjects unable to give informed consent.
* Subjects who are unable to comply with imaging guidelines
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
18/01/2020
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/08/2025
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Actual
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Sample size
Target
450
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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Melbourne University CERA - East Melbourne
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Recruitment postcode(s) [1]
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3002 - East Melbourne
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Florida
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Country [3]
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United States of America
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State/province [3]
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Massachusetts
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Country [4]
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United States of America
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State/province [4]
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New York
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Boston Image Reading Center
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The investigators wish to better understand the role of the choriocapillaris (CC) in the formation and progression of non-exudative in age related macular degeneration (armd) by imaging the retinal pigment epithelium (rpe) and the choroidal microvasculature and by studying their inter-dependence to determine if the loss of the CC could prove useful as an anatomic clinical trial endpoint in future drug trials.
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Trial website
https://clinicaltrials.gov/study/NCT04469140
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Nadia Waheed, MD
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Address
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Boston Image Reading Center/Tufts Medical Center
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Jen Tourtellot
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Address
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Country
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Phone
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1-855-535-BIRC (2472)
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Undecided
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT04469140