Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 22, 2026, 1:39 AM EDT

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Showing 1–24 of 197 matching trials from the live ClinicalTrials.gov search.
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Conditions
Retinitis Pigmentosa
Interventions
Vitamin A
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting No phase listed Observational

Rate of Progression in USH2A-related Retinal Degeneration

NCT03146078
Conditions
Usher Syndrome, Type 2A, Retinitis Pigmentosa 39
Interventions
Not listed
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
8 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2029
U.S. locations
9
States / cities
San Francisco, California • Gainesville, Florida • Baltimore, Maryland + 6 more
Conditions
Cytomegalovirus Retinitis, HIV Infections
Interventions
Ganciclovir
Drug
Lead sponsor
Roche Global Development
Other
Eligibility
3 Months to 12 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
8
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 3 more
Active, not recruiting Phase 1 Interventional

CNS10-NPC for the Treatment of RP

NCT04284293
Conditions
Retinitis Pigmentosa
Interventions
CNS10-NPC implantation
Biological
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Beverly Hills, California
Completed No phase listed Observational

Screening for NEI Clinical Studies

NCT00001734
Conditions
Conjunctivitis, Iritis, Keratitis, Retinitis, Uveitis
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
2 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting Phase 3 Interventional

Oral N-acetylcysteine for Retinitis Pigmentosa

NCT05537220
Conditions
Retinitis Pigmentosa
Interventions
N-acetylcysteine, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
24
States / cities
Davis, California • Los Angeles, California • San Francisco, California + 21 more
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
Conditions
Retinitis Pigmentosa
Interventions
Not listed
Lead sponsor
MeiraGTx UK II Ltd
Industry
Eligibility
5 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
6
States / cities
La Jolla, California • Stanford, California • Atlanta, Georgia + 3 more
Conditions
Bardet-Biedl Syndrome
Interventions
Not listed
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
Not listed
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2030
U.S. locations
1
States / cities
Marshfield, Wisconsin
Conditions
Retinitis Pigmentosa, Retinitis, Retinal Diseases, Eye Diseases, Eye Diseases, Hereditary, Retinal Dystrophies, Retinal Degeneration
Interventions
Gene Therapy Product-MCO-010, Sham Injection
Biological · Procedure
Lead sponsor
Nanoscope Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Beverly Hills, California • Pensacola, Florida • Fargo, North Dakota + 2 more
Conditions
Leber Congenital Amaurosis (LCA), Retinitis Pigmentosa (RP)
Interventions
No treatment: retrospective chart review
Other
Lead sponsor
QLT Inc.
Industry
Eligibility
8 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland • Portland, Oregon
Conditions
Non-syndromic Retinitis Pigmentosa
Interventions
Gene therapy: GS030-DP AND Medical device: GS030-MD
Combination Product
Lead sponsor
GenSight Biologics
Industry
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Retinitis Pigmentosa
Interventions
Minocycline
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
12 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
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
Conditions
LCA (Leber Congenital Amaurosis), RP (Retinitis Pigmentosa)
Interventions
QLT091001
Drug
Lead sponsor
QLT Inc.
Industry
Eligibility
5 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Chicago, Illinois • Baltimore, Maryland
Conditions
Retinitis Pigmentosa, Retinal Dystrophy
Interventions
Observational
Other
Lead sponsor
Nanoscope Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
7
States / cities
Phoenix, Arizona • Beverly Hills, California • Miami, Florida + 4 more
Conditions
Retinitis Pigmentosa, Retinitis, Retinal Diseases, Eye Diseases, Eye Diseases, Hereditary, Retinal Dystrophies, Retinal Degeneration
Interventions
Gene Therapy product-MCO-010
Biological
Lead sponsor
Nanoscope Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Beverly Hills, California • Pensacola, Florida • Fargo, North Dakota + 2 more
Conditions
Retinitis Pigmentosa, Leber Congenital Amaurosis
Interventions
OCU400 Low Dose, OCU400 Med Dose, OCU400 High Dose, OCU400 Second Eye Dosing
Drug
Lead sponsor
Ocugen
Industry
Eligibility
6 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
7
States / cities
Phoenix, Arizona • La Jolla, California • Miami, Florida + 4 more
Conditions
Cytomegalovirus Retinitis, HIV Infections
Interventions
Sargramostim, Ganciclovir
Drug
Lead sponsor
Schering-Plough
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Sherman Oaks, California + 7 more
Completed Phase 1 Interventional

The FIGHT-RP1 Study

NCT03063021
Conditions
Retinitis Pigmentosa
Interventions
N-Acetyl Cysteine (NAC)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 2 Interventional Results available

Trial of Oral Valproic Acid for Retinitis Pigmentosa

NCT01233609
Conditions
Retinitis Pigmentosa
Interventions
Valproic Acid, Placebo
Drug
Lead sponsor
Foundation Fighting Blindness
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
6
States / cities
Miami, Florida • Ann Arbor, Michigan • Portland, Oregon + 3 more
Conditions
Cytomegalovirus Retinitis, HIV Infections
Interventions
Fomivirsen sodium
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
13
States / cities
Los Angeles, California • Pasadena, California • San Jose, California + 10 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Environmental Localization Mapping and Guidance for Visual Prosthesis Users

NCT04359108
Conditions
Retinitis Pigmentosa, Visual Impairment, Visual Prosthesis
Interventions
Navigation system mode: Argus Vision, Navigation system mode: Depth Vision, Navigation system mode: Depth Vision with Haptic / Audio, Navigation system mode: Haptic / Audio, Navigation system mode: High Field-of-View Depth Vision, Distance test vision mode: Low Resolution / Low Field-of-View, Distance test vision mode: Low Resolution / High Field-of-View, Distance test vision mode: High Resolution / Low Field-of-View, Distance test vision mode: High Resolution / High Field-of-View
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland • Laurel, Maryland
Conditions
Cytomegalovirus Retinitis, HIV Infections
Interventions
Sevirumab
Drug
Lead sponsor
Sandoz
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
2
States / cities
Boston, Massachusetts • Galveston, Texas