Clinical trials: Pigmentary Retinopathy
Retinitis Pigmentosa
The Perceptual Experience of Argus II Users
This Basic Experimental Studies Involving Humans (BESH) study investigates phosphene perception and performance factors in blind participants implanted with the Argus II retinal prosthesis system.
- Trial name
- NCT05285618
- Testing
- Argus II
- Where
- 3 sites in United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of California, Santa Barbara
X-Linked Retinitis Pigmentosa
Gene Therapy for X-linked Retinitis Pigmentosa (XLRP) - Retinitis Pigmentosa GTPase Regulator (RPGR)
Phase 1 of the study is a dose escalation of the subretinal administration of AAV5-hRKp.RPGR vector to assess the safety of this vector in participants with XLRP caused by mutations in RPGR.
- Trial name
- NCT03252847
- Testing
- AAV5-RPGR
- Where
- 5 sites in United States, United Kingdom
- Volunteers
- 49 people
- Sponsor
- MeiraGTx UK II Ltd
Retinitis Pigmentosa
A Study of Encapsulated Cell Technology (ECT) Implant for Participants With Early Stage Retinitis Pigmentosa
The purpose of this study is to look at the safety and effectiveness of CNTF implants on vision in persons with retinitis pigmentosa, Usher type II \& III, and Choroideremia.
- Trial name
- NCT00447980
- Testing
- NT-501
- Where
- 12 sites in United States
- Volunteers
- 73 people
- Sponsor
- Neurotech Pharmaceuticals
Bardet-Biedl Syndrome, POMC Deficiency
Phase 3 Crossover Trial of Two Formulations of Setmelanotide in Participants With Specific Gene Defects in the MC4R Pathway
A trial to compare the weekly and daily formulations of setmelanotide in participants with genetic defects in the melanocortin-4 receptor pathway.
- Trial name
- NCT05194124
- Testing
- Setmelanotide 2 mg, Setmelanotide 2.5 mg, Setmelanotide 3 mg
- Where
- 7 sites in United States, Canada and 4 more
- Volunteers
- 19 people
- Sponsor
- Rhythm Pharmaceuticals, Inc.
Bardet-Biedl Syndrome, POMC Deficiency Obesity
Setmelanotide in Pediatric Participants With Rare Genetic Diseases of Obesity
This is a phase 3 open-label, clinical study to evaluate the efficacy, safety and tolerability of setmelanotide over 1 year of treatment, in pediatric participants aged 2 to <6 years with obesity due to either biallelic variants…
- Conditions
- Bardet-Biedl Syndrome, POMC Deficiency Obesity, PCSK1 Deficiency Obesity, LEPR Deficiency Obesity
- Trial name
- NCT04966741
- Testing
- Setmelanotide
- Where
- 6 sites in United States, Australia and 2 more
- Volunteers
- 12 people
- Sponsor
- Rhythm Pharmaceuticals, Inc.
Retinitis Pigmentosa
A Study of Encapsulated Cell Technology (ECT) Implant for Patients With Late Stage Retinitis Pigmentosa
The purpose of this study is to look at the safety and effectiveness of CNTF implants on vision in persons with retinitis pigmentosa, Usher type II \& III, and Choroideremia.
- Trial name
- NCT00447993
- Testing
- Low Dose NT-501, High Dose NT-501
- Where
- 11 sites in United States
- Volunteers
- 67 people
- Sponsor
- Neurotech Pharmaceuticals
Retinitis Pigmentosa
An Exploratory Study to Evaluate the Safety of Brimonidine Intravitreal Implant in Patients With Retinitis Pigmentosa
This exploratory, 12-month, ascending-dose study will evaluate the safety and effects on visual function of a single injection of Brimonidine intravitreal implant in one eye of patients with Retinitis Pigmentosa.
- Trial name
- NCT00661479
- Testing
- 400 µg Brimonidine Tartrate Implant, 200 µg Brimonidine Tartrate Implant, 100 µg Brimonidine Tartrate Implant
- Where
- 4 sites in United States, France and 2 more
- Volunteers
- 21 people
- Sponsor
- Allergan
Retinitis Pigmentosa, Usher Syndrome Type 2
Retinal Imaging in CNTF -Releasing Encapsulated Cell Implant Treated Patients for Early-stage Retinitis Pigmentosa
This clinical trial is a single-site, 30 patient study for participants who have early stage retinitis pigmentosa, or Usher syndrome (type 2 or 3). Funding Source - FDA OOPD and Foundation Fighting Blindness.
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Usher Syndrome Type 3
- Trial name
- NCT01530659
- Testing
- NT-501
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Neurotech Pharmaceuticals
Age Related Macular Degeneration, Retinitis Pigmentosa
Visual Activity Evoked by Infrared in Humans After Dark Adaptation
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive to in healthy and color-blind…
- Conditions
- Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
- Trial name
- NCT02909985
- Testing
- Tungsten halogen light with narrow bandpass filters
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Retinitis Pigmentosa
Argus® II Retinal Stimulation System Feasibility Protocol
Investigational Phase of the Study: The objective of this feasibility study is to evaluate the safety and utility of the Argus II Retinal Stimulation System in providing visual function to blind subjects with retinitis…
- Trial name
- NCT00407602
- Testing
- Implant of Argus II Retinal Prosthesis
- Where
- 12 sites in United States, France and 3 more
- Volunteers
- 30 people
- Sponsor
- Second Sight Medical Products
Inherited Retinal Dystrophy Due to RPE65 Mutations, Leber Congenital Amaurosis
Safety and Efficacy Study in Subjects With Leber Congenital Amaurosis
The study is a Phase 3, open-label, randomized controlled trial of gene therapy intervention by subretinal administration of AAV2-hRPE65v2 (voretigene neparvovec-rzyl).
- Trial name
- NCT00999609
- Testing
- AAV2-hRPE65v2,voretigene neparvovec-rzyl
- Where
- 2 sites in United States
- Volunteers
- 31 people
- Sponsor
- Spark Therapeutics, Inc.
Retinitis Pigmentosa
Study of Oral Minocycline in Treating Bilateral Cystoid Macular Edema Associated With Retinitis Pigmentosa
Background: Some people with retinitis pigmentosa (RP) have macular edema (swelling) in the central retina. This can cause decreased central vision. The cause of macular edema is unknown, but may involve inflammation.
- Trial name
- NCT02140164
- Testing
- Minocycline
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- National Eye Institute (NEI)
Retinitis Pigmentosa, Usher Syndrome Type 2
An Open-Label Extension Study to Evaluate Safety & Tolerability of QR-421a in Subjects With Retinitis Pigmentosa
PQ-421a-002 (Helia) is an open-label, extension study to evaluate the safety, tolerability and efficacy of QR 421a (ultevursen) administered via intravitreal (IVT) injection in one or both eyes, in subjects ≥ 12 years of age with…
- Trial name
- HELIA (NCT05085964)
- Testing
- RNA antisense oligonucleotide for intravitreal injection
- Where
- 7 sites in United States, Canada and 1 more
- Volunteers
- 21 people
- Sponsor
- Laboratoires Thea
Retinitis Pigmentosa
Feasibility Study of a Chronic Retinal Stimulator in Retinitis Pigmentosa
The objective of this study is to evaluate the safety and efficacy of the retinal stimulation system by evaluating the data after chronic implantation.
- Trial name
- (A16) (NCT00279500)
- Testing
- Argus 16 Retinal Stimulation System
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Second Sight Medical Products
Retinitis Pigmentosa (RP)
Safety of a Single, Intravitreal Injection of Human Retinal Progenitor Cells (jCell) in Retinitis Pigmentosa
This study evaluates the safety and potential activity of a single dose of live human retinal progenitor cells (jCell) administered to adults with retinitis pigmentosa.
- Trial name
- NCT02320812
- Testing
- human retinal progenitor cells
- Where
- 2 sites in United States
- Volunteers
- 28 people
- Sponsor
- jCyte, Inc
Retinitis Pigmentosa
A Dose Ranging Study to Evaluate the Safety and Potential Efficacy of rhNGF in Patients With Retinitis Pigmentosa (RP)
The primary objective of the study is to assess the safety and tolerability of two dose regimens of recombinant human nerve growth factor (rhNGF) eye drops solution administered over 6 months versus a vehicle control in patients…
- Trial name
- Lumos (NCT02110225)
- Testing
- rhNGF 60 µg/ml eye drops solution, rhNGF 180 µg/ml eye drops solution
- Where
- 5 sites in Italy
- Volunteers
- 50 people
- Sponsor
- Dompé Farmaceutici S.p.A
Retinitis Pigmentosa
Object Finder for a Retinal Prosthesis
The proposed project seeks to provide object recognition as a feature in a retinal implant system. Participants will be able to direct an object recognition application to find a desired object in the field of view of the…
- Trial name
- NCT04319809
- Testing
- Object recognition subsystem
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Minnesota HealthSolutions
X-Linked Retinitis Pigmentosa
A Clinical Trial of Retinal Gene Therapy for X-linked Retinitis Pigmentosa Using BIIB112
The objective of the study is to evaluate the safety, tolerability and efficacy of a single sub-retinal injection of BIIB112 in participants with X-linked retinitis pigmentosa (XLRP).
- Trial name
- XIRIUS (NCT03116113)
- Testing
- BIIB112
- Where
- 8 sites in United States, United Kingdom
- Volunteers
- 50 people
- Sponsor
- Biogen
Retinitis Pigmentosa
Computer-Assisted Rehabilitation Environment Training After Argus Retinal Prosthesis
The goal of the current project is to fill the unmet clinical needs around the objective assessment of visual function and develop outcome-oriented visual rehabilitation approach using the computer assisted rehabilitation…
- Trial name
- NCT03444961
- Testing
- CAREN system training
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- The Cleveland Clinic
Retinitis Pigmentosa, Visual Impairment
Environmental Localization Mapping and Guidance for Visual Prosthesis Users
This study is driven by the hypothesis that independent navigation by blind users of visual prosthetic devices can be greatly aided by use of an autonomous navigational aid that provides information about the environment and…
- Conditions
- Retinitis Pigmentosa, Visual Impairment, Visual Prosthesis
- Trial name
- SLAM (NCT04359108)
- Testing
- Navigation system mode: Argus Vision, Navigation system mode: Depth Vision, Navigation system mode: Depth Vision with Haptic / Audio
- Where
- 2 sites in United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University