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Trial registered on ANZCTR
Registration number
ACTRN12622000725763
Ethics application status
Approved
Date submitted
24/04/2021
Date registered
20/05/2022
Date last updated
20/05/2022
Date data sharing statement initially provided
20/05/2022
Type of registration
Retrospectively registered
Titles & IDs
Public title
Home Monitoring of Age-Related Macular Degeneration
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Scientific title
Home Based Monitoring of Visual Function in Age-Related Macular Degeneration - The effectiveness of eye-tracking
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Secondary ID [1]
304053
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None
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Universal Trial Number (UTN)
U1111-1263-8643
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Trial acronym
AMD: age-related macular degeneration
eAMD: early AMD
iAMD: intermediate AMD
nAMD: neovascular AMD
OCT: optical coherent tomography
VA and BCVA: visual acuity and best-corrected visual acuity
ET: eye-tracking
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Linked study record
n/a
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Health condition
Health condition(s) or problem(s) studied:
Age-Related Macular Degeneration
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Condition category
Condition code
Eye
319434
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0
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Diseases / disorders of the eye
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Group 1: intermediate age-related macular degeneration (iAMD) subjects; Group 2: neovascular age-related macular degeneration (nAMD) subjects.
Each session takes approximately 40 minutes and includes the measurement of visual acuity, contrast sensitivity, optical coherent tomography (OCT), MNReading test, fixation eye-tracking task and reading eye-tracking task. Each subject receives three sessions three months apart.
A reading App on Apple iPad to track eye movement parameters. Subjects are required to read some general reading passages. The reading app is specifically designed for this study.
The location is at Tony Han Optometrists Ltd, Tauranga, New Zealand. Only the primary investigator, Tony Han, will administer the tests.
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Intervention code [1]
320374
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Early detection / Screening
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Comparator / control treatment
The control group is the participants with normal eyes. The control group will undergo the same tests as the investigation group: measurement of visual acuity, contrast sensitivity, OCT, MNReading test, fixation eye-tracking task and reading eye-tracking task. (monocularly and binocularly) They are only required to attend one session, not three.
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Control group
Active
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Outcomes
Primary outcome [1]
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The successful detection rate of the reading app to detect the transition from intermediate AMD to neovascular AMD.
This will be compared to the gold standard OCT in-clinic test.
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Assessment method [1]
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Timepoint [1]
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Group 1: three visits in total for each subject, three months apart, complete by the end of 2022.
Group 2: three visits in total for each subject, three months apart, complete by the end of 2023.
Group 3: one visit for each subject, complete by the end of 2023.
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Secondary outcome [1]
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Raw co-ordinate data will be recorded by the eye-trackers and saved as .csv files for comparison and analysis.
The change in eye movement pattern and behaviours over time in iAMD and nAMD.
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Assessment method [1]
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Timepoint [1]
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Post conversion to neovascular AMD.
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Eligibility
Key inclusion criteria
• Age 50 years and over
• Clear ocular media
• No retinal comorbidities, such as glaucoma or any other macular diseases.
• Not taking any retinotoxic drugs
• Pass cognition test
• Group One: at least one eye has intermediate AMD; Group Two: at least one eye has neovascular AMD; Group Three: both eyes are normal.
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Minimum age
50
Years
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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?
Yes
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Key exclusion criteria
• Amblyopia
• Ocular media opacity
• No retinal comorbidities, such as glaucoma or any other macular diseases.
• Taking retinotoxic drugs
• Fail cognition test
• Unable to sign consent form
• Unable to understand English
• Unable to home test
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Non-randomised trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
n/a
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
n/a
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
Prospective
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
Tool: Matlab
Methods: ANOVA, others to be decided once receive the data sets.
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
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Actual
1/10/2021
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Date of last participant enrolment
Anticipated
31/05/2023
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Actual
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Date of last data collection
Anticipated
30/11/2023
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Actual
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Sample size
Target
120
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Accrual to date
40
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Final
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Tauranga, Auckland
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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University of Auckland
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Address [1]
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Grafton Campus, Park Road, Grafton, Auckland 1145, NZ
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Country [1]
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New Zealand
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Primary sponsor type
University
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Name
University of Auckland
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Address
Grafton Campus, Park Road, Grafton, Auckland 1145, NZ
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Country
New Zealand
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Central Health and Disability Ethics Committee
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Ethics committee address [1]
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133 Molesworth Street Wellington 6011 New Zealand
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Ethics committee country [1]
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New Zealand
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Date submitted for ethics approval [1]
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11/03/2021
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Approval date [1]
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20/04/2021
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Ethics approval number [1]
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21/CEN/88
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Summary
Brief summary
Age-related macular degeneration (AMD) is the leading cause of irreversible blindness in New Zealand. It affects people over the age of 45, and its prevalence increases sharply with age. AMD can significantly reduce people's quality of life from falls, hip fractures, depression, and increased living costs related to nursery care. One study predicted a 13% increase in the prevalence of AMD in NZ from 2014 to 2026, due to our ageing population. AMD requires frequent screening for early diagnosis, which creates an ever-increasing burden on patients and DHBs. This could potentially be reduced through home vision monitoring. The most frequent complaint from AMD patients is reading. Conventional visual acuity testing is not effective at monitoring the disease progression. We aim to develop a program for everyday devices, such as the iPad, to utilise novel eye-tracking technology to monitor reading patterns and detect early changes in AMD during a patient’s daily reading time.
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Trial website
None
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Trial related presentations / publications
None
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Public notes
None
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Contacts
Principal investigator
Name
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Mr Tony Han
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Address
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Tony Han Optometrists Ltd
7A Bethlehem Road
Bethlehem
Tauranga 3110
New Zealand
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Country
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New Zealand
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Phone
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+64 7 576 88 99
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Fax
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+64 7 576 88 96
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Email
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[email protected]
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Contact person for public queries
Name
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Tony Han
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Address
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Tony Han Optometrists Ltd
7A Bethlehem Road
Bethlehem
Tauranga 3110
New Zealand
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Country
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New Zealand
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Phone
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+64 7 576 88 99
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Fax
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+64 7 576 88 96
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Email
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[email protected]
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Contact person for scientific queries
Name
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Tony Han
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Address
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Tony Han
Tony Han Optometrists Ltd
7A Bethlehem Road
Bethlehem
Tauranga 3110
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Country
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New Zealand
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Phone
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+64 7 576 88 99
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Fax
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+64 7 576 88 96
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Email
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
Raw eye movement data
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When will data be available (start and end dates)?
Immediately following publication and no end date.
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Available to whom?
case-by-case basis at the discretion of the Primary Sponsor, the University of Auckland.
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Available for what types of analyses?
only to achieve the aims in the approved proposal
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How or where can data be obtained?
access subject to approvals by Principal Investigator
[email protected]
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What supporting documents are/will be available?
No Supporting Document Provided
Doc. No.
Type
Citation
Link
Email
Other Details
Attachment
11464
Study protocol
381877-(Uploaded-24-04-2021-14-29-04)-Study-related document.pdf
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Informed consent form
381877-(Uploaded-24-04-2021-14-29-18)-Study-related document.pdf
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Ethical approval
381877-(Uploaded-24-04-2021-14-30-31)-Study-related document.pdf
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
Download to PDF