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ClinicalTrials.gov public records Last synced May 22, 2026, 4:11 AM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hydroxychloroquine Retinopathy Clear all
Recruiting No phase listed Observational
View directory record Official record
Conditions
Genotype, Retinal Disease
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 22, 2026, 4:11 AM EDT
Terminated Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Hydroxychloroquine lower dose, Hydroxychloroquine higher dose
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced May 22, 2026, 4:11 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Retinal Degeneration, Age-Related Macular Degeneration, Retinitis Pigmentosa, Hydroxychloroquine Retinopathy, Usher Syndromes, Late-Onset Retinal Degeneration, Cone Dystrophy, Cone Rod Dystrophy, Rod Cone Dystrophy, Rod Dystrophy
Interventions
Adaptive optics imaging
Device
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
21 Years and older
Enrollment
100 participants
Timeline
2021 – 2028
U.S. locations
2
States / cities
Bethesda, Maryland • Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced May 22, 2026, 4:11 AM EDT