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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: RP (Retinitis Pigmentosa) Clear all
Completed Phase 1 Interventional

Investigating the Effect of Vitamin A Supplementation on Retinitis Pigmentosa

NCT00065455
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 4:00 PM EDT
Active, not recruiting Phase 1 Interventional

CNS10-NPC for the Treatment of RP

NCT04284293
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 18, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

Natural History Study in Inherited Retinal Disease Subjects Caused by Mutations in RPE65 or LRAT

NCT02575430
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 28, 2016 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 1 Interventional

Repeated Treatments of QLT091001 in Subjects With Leber Congenital Amaurosis or Retinitis Pigmentosa (Extension of Study RET IRD 01)

NCT01521793
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 2 Interventional

Safety of a Single, Intravitreal Injection of 6.0M jCell (Famzeretcel) in Retinitis Pigmentosa (RP)

NCT06912633
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
human retinal progenitor cells, Mock injection
Biological · Other
Lead sponsor
jCyte, Inc
Industry
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
14
States / cities
Phoenix, Arizona • Bakersfield, California • Beverly Hills, California + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)

NCT05176717
View directory record Official record
Conditions
Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease, Eye Diseases, Eye Diseases, Hereditary, Eye Disorders Congenital, Vision Disorders
Interventions
QR-421a, Sham-procedure
Drug · Other
Lead sponsor
Laboratoires Thea
Industry
Eligibility
12 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Dallas, Texas • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Active, not recruiting Phase 1 Interventional

FIGHT-RP 1 Extension Study

NCT03999021
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
NAC effervescent tablets
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 1 Interventional

A Study to Evaluate the Safety of CNTO 2476 in Patients With Advanced Retinitis Pigmentosa

NCT00458575
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
CNTO 2476
Drug
Lead sponsor
Centocor, Inc.
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
3
States / cities
Miami, Florida • Southwest Portland, Oregon • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

A Patient Registry Study for Patients Treated With Voretigene Neparvovec in US

NCT03597399
View directory record Official record
Conditions
Confirmed Biallelic RPE65 Mutation-associated Retinal Dystrophy
Interventions
AAV2-hRPE65v2,voretigene neparvovec-rzyl
Biological
Lead sponsor
Spark Therapeutics, Inc.
Industry
Eligibility
12 Months and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
10
States / cities
Los Angeles, California • Miami, Florida • Iowa City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Not applicable Interventional Results available

Argus® II Retinal Stimulation System Feasibility Protocol

NCT00407602
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Implant of Argus II Retinal Prosthesis
Device
Lead sponsor
Second Sight Medical Products
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
7
States / cities
Los Angeles, California • San Francisco, California • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
No Longer Available No phase listed Expanded access

Expanded Access Program for RP in Adults

NCT06574997
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
OCU400
Drug
Lead sponsor
Ocugen
Industry
Eligibility
18 Years to 99 Years
U.S. locations
4
States / cities
Phoenix, Arizona • Deerfield Beach, Florida • Erie, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 1Phase 2 Interventional

Dose Escalation Study to Evaluate the Safety/Tolerability and Efficacy of EA-2353 in Subjects With Retinitis Pigmentosa

NCT05392751
View directory record Official record
Conditions
Retinitis Pigmentosa, Retinitis Pigmentosa Syndrome
Interventions
EA-2353
Drug
Lead sponsor
Endogena Therapeutics, Inc
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
5
States / cities
Miami, Florida • Ann Arbor, Michigan • Portland, Oregon + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 1Phase 2 Interventional

Study to Evaluate Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene

NCT03780257
View directory record Official record
Conditions
Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease, Eye Diseases, Eye Diseases, Hereditary, Eye Disorders Congenital, Vision Disorders
Interventions
QR-421a, Sham-procedure (dose cohort 1&2 only)
Drug · Other
Lead sponsor
ProQR Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
4
States / cities
Boston, Massachusetts • Ann Arbor, Michigan • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Jul 21, 2026, 4:00 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Study to Investigate the Safety of OpCT-001 in Adults Who Have Primary Photoreceptor Disease (CLARICO)

NCT06789445
View directory record Official record
Conditions
Primary Photoreceptor Disease, Retinitis Pigmentosa (RP), Usher Syndrome, Inherited Retinal Disease (IRD), Rod-Cone Dystrophy, Rod-Cone Disease, Retinal Degeneration, Cone-Rod Disease (C-RD), Cone-Rod Dystrophy
Interventions
OpCT-001
Biological
Lead sponsor
BlueRock Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
5
States / cities
Los Angeles, California • Miami, Florida • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Study to Evaluate the Efficacy Safety and Tolerability of Ultevursen in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene (Sirius)

NCT05158296
View directory record Official record
Conditions
Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease, Eye Diseases, Eye Diseases, Hereditary, Eye Disorders Congenital, Vision Disorders
Interventions
Ultevursen, Sham-procedure
Drug · Other
Lead sponsor
Laboratoires Thea
Industry
Eligibility
12 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
10
States / cities
San Diego, California • San Francisco, California • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 1 Interventional

Evaluation of Safety of Ciliary Neurotrophic Factor Implants in the Eye

NCT00063765
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Ciliary Neurotrophic Factor Implant NT-501
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 1 Interventional

Safety/Proof of Concept Study of Oral QLT091001 in Subjects With Leber Congenital Amaurosis (LCA) or Retinitis Pigmentosa (RP) Due to Retinal Pigment Epithelial 65 Protein (RPE65) or Lecithin:Retinol Acyltransferase (LRAT) Mutations

NCT01014052
View directory record Official record
Conditions
LCA (Leber Congenital Amaurosis), RP (Retinitis Pigmentosa)
Interventions
QLT091001
Drug
Lead sponsor
QLT Inc.
Industry
Eligibility
5 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
3
States / cities
Chicago, Illinois • Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 13, 2013 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

Biomarkers In Retinitis Pigmentosa (BIRP)

NCT01949623
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Anterior Chamber (AC) tap
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Molecular Genetics of Retinal Degenerations

NCT00231010
View directory record Official record
Conditions
Retinal Degeneration, Retinitis Pigmentosa
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
4 Years and older
Enrollment
3,549 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2016
U.S. locations
3
States / cities
Bethesda, Maryland • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 21, 2026, 4:00 PM EDT
Not listed Phase 1Phase 2 Interventional

Safety and Tolerability of hRPC in Retinitis Pigmentosa

NCT02464436
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
hRPC
Drug
Lead sponsor
ReNeuron Limited
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
3
States / cities
Phoenix, Arizona • Boston, Massachusetts • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 5, 2023 · Synced Jul 21, 2026, 4:00 PM EDT
Terminated Phase 2 Interventional Results available

An Open-Label Extension Study to Evaluate Safety & Tolerability of QR-421a in Subjects With Retinitis Pigmentosa

NCT05085964
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 6, 2024 · Synced Jul 21, 2026, 4:00 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety of a Single, Intravitreal Injection of Human Retinal Progenitor Cells (jCell) in Retinitis Pigmentosa

NCT02320812
View directory record Official record
Conditions
Retinitis Pigmentosa (RP)
Interventions
human retinal progenitor cells
Biological
Lead sponsor
jCyte, Inc
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
Irvine, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Jul 21, 2026, 4:00 PM EDT
Active, not recruiting Phase 2 Interventional

Study to Evaluate Ultevursen in Subjects With Retinitis Pigmentosa (RP) Due to Mutations in Exon 13 of the USH2A Gene

NCT06627179
View directory record Official record
Conditions
Retinitis Pigmentosa (RP), Usher Syndrome Type 2, Deaf Blind, Retinal Disease, Eye Diseases, Hereditary, Eye Disorders Congenital, Vision Disorders
Interventions
Intravitreal Injection of Ultevursen, No intervention, will not receive any active study intervention
Drug · Other
Lead sponsor
Laboratoires Thea
Industry
Eligibility
8 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
10
States / cities
San Francisco, California • Miami, Florida • Atlanta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 21, 2026, 4:00 PM EDT
Completed No phase listed Observational

Natural History of the Progression of X-Linked Retinitis Pigmentosa

NCT04926129
View directory record Official record
Conditions
X-Linked Retinitis Pigmentosa
Interventions
Other: Assessments
Other
Lead sponsor
NightstaRx Ltd, a Biogen Company
Other
Eligibility
7 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
10
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Jul 21, 2026, 4:00 PM EDT