Clinical trials: Retinitis Pigmentosa
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
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
Retinitis Pigmentosa
Cone Rescue in Retinitis Pigmentosa by the Treatment of Lycium Barbarum
Objectives: To study the immediate effect and the persistent effect of Lycium barbarum (LB) treatment on retinal functions, especially the cone function, and retinal structure in patients with retinitis pigmentosa (RP) Design…
- Trial name
- NCT02244996
- Testing
- Lycium Barbarum
- Where
- Hong Kong
- Volunteers
- 50 people
- Sponsor
- The Hong Kong Polytechnic University
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
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, X-linked Genetic Diseases
DHA and X-Linked Retinitis Pigmentosa
Purpose: Retinitis pigmentosa (RP) is characterized by progressive loss of visual function due to specific genetic mutations. This trial is focused on patients with one of the most severe forms of the disease, X-linked inherited…
- Trial name
- NCT00100230
- Where
- United States
- Volunteers
- 78 people
- Sponsor
- Retina Foundation of the Southwest
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
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
Transcorneal Electrostimulation for Therapy of Retinitis Pigmentosa
The purpose of this study is to determine the long-term effects of transcorneal electrostimulation (TcES) in patients with retinitis pigmentosa (RP).
- Trial name
- NCT01837901
- Testing
- Transcorneal electrostimulation
- Where
- Germany
- Volunteers
- 88 people
- Sponsor
- Okuvision GmbH
Retinitis Pigmentosa
Trial of Oral Valproic Acid for Retinitis Pigmentosa
The objectives of this study are to evaluate the efficacy of Valproic Acid (VPA) to both slow the progression of visual function loss and/or to restore visual function in patients with Autosomal Dominant Retinitis Pigmentosa (RP)…
- Trial name
- VPA (NCT01233609)
- Testing
- Valproic Acid
- Where
- 6 sites in United States
- Volunteers
- 90 people
- Sponsor
- Foundation Fighting Blindness
Retinitis Pigmentosa, AMD
Rod Sensitivity in Age-related Macular Degeneration (AMD) and Retinitis Pigmentosa (RP)
A new fundus-guided microperimeter (MP-3S) has been developed by Nidek, Inc. to track the fundus of the patient and present stimuli in specific anatomically-defined locations.
- Trial name
- NCT03322930
- Testing
- Rod sensitivity
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Retina Foundation of the Southwest
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
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 Study in Subjects With Retinitis Pigmentosa
An open-label Phase II clinical trial, 8 (eight) subjects with retinitis pigmentosa due to rhodopsin mutations (including P23H) will be identified and treated with serial intravitreal injections of ADX-2191 in the worse seeing…
- Trial name
- NCT05392179
- Testing
- ADX-2191
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Aldeyra Therapeutics, Inc.
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
Choroidal Ischemia, Vitelliform Macular Dystrophy
Sildenafil for Treatment of Choroidal Ischemia
The hypothesis of this study is to determine if there is a benefit afforded by the use of systemic Sildenafil to patients with choroidal and retinal degenerations and dystrophies, such as vitelliform degeneration, dry and…
- Conditions
- Choroidal Ischemia, Vitelliform Macular Dystrophy, Age-related Macular Degeneration, Central Serous Retinopathy
- Trial name
- NCT04356716
- Testing
- Sildenafil, Standard of Care Sildenafil, Ocular Coherence Tomography-Angiography (OCT-A)
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Columbia University
Retinitis Pigmentosa
Evoked Retinal Response
Retinitis pigmentosa (RP) is the name given to a group of inherited eye diseases that affect the retina (the light-sensitive part of the eye).
- Trial name
- NCT01415453
- Testing
- Ultrasound Stimulus
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Columbia University
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