Universal Rare Gene Study: A Registry and Natural History Study of Retinal Dystrophies Associated With Rare Disease-Causing Genetic Variants
Part of paid clinical trials in Little Rock, Arkansas.
- Sponsor
- Jaeb Center for Health Research
- Study ID
- NCT05589714
- Status
- Recruiting
Conditions
- Inherited Retinal Degeneration
- Retinitis Pigmentosa
Eligibility Criteria
- Sex
- ALL
- Age
- 4 Years - N/A
- Healthy Volunteers
- Not accepted
Study Details
This is an international, multicenter study with two components: Registry * A standardized genetic screening and a prospective, standardized, cross-sectional clinical data collection * Enrollment is open to all genes on the RD Rare Gene List Natural History Study * A prospective, standardized, longitudinal Natural History Study * Enrollment opens gene-by-gene, based on funding and within-gene Registry enrollment The study objectives are as follows. Registry Objectives 1. Genotype Characterization 2. Cross-Sectional Phenotype Characterization (within gene) 3. Establish a Link to My Retina Tracker Registry (MRTR) 4. Ancillary Exploratory Studies - Pooling of Genes Natural History Study Objectives 1. Natural History (within gene) 2. Structure-Function Relationship (within gene) 3. Risk Factors for Progression (within gene) 4. Ancillary Exploratory Studies - Pooling of Genes
Key Dates
- Start date
- May 11, 2023
- Status verified
- May 2025
- Primary completion
- Dec 15, 2029
- Completion
- Dec 15, 2030
Study Design
- Enrollment
- 1,500 participants (estimated)
Arms
- Arm: Younger Age CohortParticipants ages ≥ 4 years and \< 8 years old will be designated as the Younger Age Cohort. * Participants in this cohort will not be assigned a Vision Cohort. * Registry/Screening Visit and Natural History Study Visits will have an abbreviated testing schedule, detailed in the Schedule of Study Visits and Procedures table.
- Arm: Vision Cohort 1Participants who are aged ≥ 8 years old will be designated into a Vision Cohort based on data in the better eye, at the Registry/Screening Visit. Criteria that must be met in the better eye\* at the Registry/Screening Visit: visual acuity ETDRS letter score of 54 or more (approximate Snellen equivalent 20/80 or better) and visual field\*\* diameter 10 degrees or more in every meridian of the central field
- Arm: Vision Cohort 2Participants who are aged ≥ 8 years old will be designated into a Vision Cohort based on data in the better eye, at the Registry/Screening Visit. Criteria that must be met in the better eye\* at the Registry/Screening Visit: visual acuity ETDRS letter score of 19-53 (approximate Snellen equivalent 20/100 to 20/400) or visual acuity ETDRS letter score of 54 or more (approximate Snellen equivalent 20/80 or better) and visual field\*\* diameter less than 10 degrees in any meridian of the central field
- Arm: Vision Cohort 3Participants who are aged ≥ 8 years old will be designated into a Vision Cohort based on data in the better eye, at the Registry/Screening Visit. Criteria that must be met in the better eye\* at the Registry/Screening Visit: visual acuity ETDRS letter score of 18 or less (approximate Snellen equivalent 20/500 or worse)
Primary Outcome Measure
Functional Outcome: Characterize change using Visual field sensitivity measured with quantitative topographic analysis (hill of vision [HOV]) [ Time Frame: Baseline and every year until study completion (4 years) ]
Central Contacts
- Coordinating Center813-975-8690
Locations (19)
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