| Recruiting | 3 | 438 | Europe, Canada, US, RoW | N-acetylcysteine, Placebo | Johns Hopkins University, National Eye Institute (NEI), Duke University, Emory University, Massachusetts Eye and Ear Infirmary, Mayo Clinic, Medical College of Wisconsin, Retina Foundation of the Southwest, Stanford University, University of California, Davis, University of Florida, University of Iowa, University of Miami, University of Michigan, University of Minnesota, University of Oklahoma, University of Southern California, University of Utah, University of Washington, University of Wisconsin, Madison, Vanderbilt University, Vitreo Retinal Associates, PA, University of Houston, Medical University of Graz, McGill University, Universität Tübingen, Centro Medico ABC, Radboud University Medical Center, University of Amsterdam, University Hospital, Basel, Switzerland, University College London Hospitals, Northwestern University, University of Pennsylvania | Retinitis Pigmentosa | 12/28 | 12/28 | | |
| Completed | 2 | 76 | US | Early disclosure of genetic testing results, Late disclosure of genetic testing results | Paul S. Bernstein | Age-Related Macular Degeneration, Genetic Testing, Nutritional Biomarkers | 07/24 | 07/24 | | |
Uni-Rare, NCT05589714: Universal Rare Gene Study: A Registry and Natural History Study of Retinal Dystrophies Associated With Rare Disease-Causing Genetic Variants |
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| Recruiting | N/A | 1500 | Europe, Canada, US, RoW | | Jaeb Center for Health Research, Foundation Fighting Blindness | Inherited Retinal Degeneration, Retinitis Pigmentosa | 12/28 | 12/28 | | |