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ClinicalTrials.gov public records Last synced Jul 21, 2026, 6:55 PM EDT

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Showing 1–14 of 14 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Mesopic Vision, Night Vision Loss
Interventions
phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist, Placebo
Drug
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
25
States / cities
Pheonix, Arizona • Scottsdale, Arizona • Bakersfield, California + 20 more
Conditions
Decrease in Night Vision, Disturbance; Vision, Loss
Interventions
Phentolamine Mesylate Ophthalmic Solution 1%, Phentolamine Mesylate Ophthalmic Solution Vehicle (Placebo)
Drug · Other
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Lynbrook, New York
Conditions
Retinal Disease, Age-Related Macular Degeneration, Retinitis Pigmentosa, Stargardt Disease, Optic Neuropathy, Nonarteritic Ischemic Optic Neuropathy, Optic Atrophy, Optic Nerve Disease, Glaucoma, Leber Hereditary Optic Neuropathy, Blindness, Vision Loss Night, Vision Loss Partial, Vision, Low, Retinopathy, Maculopathy, Macular Degeneration, Retina Atrophy
Interventions
Arm 1
Procedure
Lead sponsor
MD Stem Cells
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
2
States / cities
Westport, Connecticut • Coral Springs, Florida
Conditions
Autosomal Dominant Retinitis Pigmentosa, Eye Diseases, Eye Diseases, Hereditary, Retinal Dystrophies, Retinal Disease, Retinitis, Vision Tunnel, Vision Disorders
Interventions
QR-1123, Sham procedure
Drug · Other
Lead sponsor
ProQR Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Aurora, Colorado • Gainesville, Florida • Lexington, Kentucky + 2 more
Recruiting No phase listed Observational Accepts healthy volunteers

Inherited Retinal Degenerative Disease Registry

NCT02435940
Conditions
Eye Diseases Hereditary, Retinal Disease, Achromatopsia, Bardet-Biedl Syndrome, Bassen-Kornzweig Syndrome, Batten Disease, Best Disease, Choroidal Dystrophy, Choroideremia, Cone Dystrophy, Cone-Rod Dystrophy, Congenital Stationary Night Blindness, Enhanced S-Cone Syndrome, Fundus Albipunctatus, Goldmann-Favre Syndrome, Gyrate Atrophy, Juvenile Macular Degeneration, Kearns-Sayre Syndrome, Leber Congenital Amaurosis, Refsum Syndrome, Retinitis Pigmentosa, Retinitis Punctata Albescens, Retinoschisis, Rod-Cone Dystrophy, Rod Dystrophy, Rod Monochromacy, Stargardt Disease, Usher Syndrome
Interventions
Not listed
Lead sponsor
Foundation Fighting Blindness
Other
Eligibility
Not listed
Enrollment
20,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2037
U.S. locations
1
States / cities
Columbia, Maryland
Conditions
Retinitis Pigmentosa, Usher Syndrome Type 2
Interventions
RNA antisense oligonucleotide for intravitreal injection
Drug
Lead sponsor
Laboratoires Thea
Industry
Eligibility
12 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Portland, Oregon + 1 more
Conditions
Visual Snow Syndrome, Migraine, Healthy
Interventions
Visual Adaptation, Assessments and Questionnaires, Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Imaging (MRS)
Behavioral · Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers Results available

Visual Activity Evoked by Infrared in Humans After Dark Adaptation

NCT02909985
Conditions
Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
Interventions
Tungsten halogen light with narrow bandpass filters
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Albuquerque, New Mexico
Conditions
Night Vision Complaints, Decrease in Night Vision, Disturbance; Vision, Loss
Interventions
Phentolamine Mesylate Ophthalmic Solution 1.0%, Phentolamine Mesylate Ophthalmic Solution 0.5%, Phentolamine Mesylate Ophthalmic Solution Vehicle (Placebo)
Drug · Other
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Vision Loss Night, Vision Disorders
Interventions
0.75% Phentolamine Ophthalmic Solution, Placebo
Drug
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
23
States / cities
Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 18 more
Withdrawn Not applicable Interventional Accepts healthy volunteers

The Dark-Adapted Retinal Function Response in Choroideremia (DARC) Study

NCT05045703
Conditions
Choroideremia
Interventions
Vitamin A palmitate
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
15 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Dim Light Vision Disturbances
Interventions
Phentolamine Ophthalmic Solution 0.75%, Phentolamine Ophthalmic Solution Vehicle (Placebo)
Drug
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Newport Beach, California • Petaluma, California • Jacksonville, Florida + 12 more
Conditions
Spinal Cord Injury
Interventions
Cethrin
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
16 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
5
States / cities
Phoenix, Arizona • Cincinnati, Ohio • Philadelphia, Pennsylvania + 2 more