Clinical trials: Retinal Dystrophies
Retinal Diseases, Stargardt's Disease
Microcurrent Stimulation to Treat Macular Degeneration
Microcurrent stimulation thereapy improves retinal efficiency and may restore and/or improve retinal function.
- Conditions
- Retinal Diseases, Stargardt's Disease, Retinitis Pigmentosa
- Trial name
- NCT01790958
- Where
- 4 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Retina Institute of Hawaii
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
Diabetic Retinopathy, Retinal Vein Occlusion
Computer Aided Diagnosis of Multiple Eye Fundus Diseases From Color Fundus Photograph
Blindness can be caused by many ocular diseases, such as diabetic retinopathy, retinal vein occlusion, age-related macular degeneration, pathologic myopia and glaucoma.
- Conditions
- Diabetic Retinopathy, Retinal Vein Occlusion, Retinal Artery Occlusion, Central Serous Chorioretinopathy
- Trial name
- NCT04723160
- Testing
- Software assisted imaging diagnosis
- Where
- 5 sites in China
- Volunteers
- 748 people, healthy volunteers welcome
- Sponsor
- Visionary Intelligence Ltd.
Retinitis Pigmentosa, Cone Dystrophy
Phenotype Correlates Genotype of Inherited Retina Dystrophies, Retinitis Pigmentosa, Con>Rod Dystrophies.
Patients with retina dystrophies (retinitis pigmentosa, cone>rods dystrophies, Usher and syndromic) will be correlated with genotype and validate inheritance mode by segregation analysis.
- Conditions
- Retinitis Pigmentosa, Cone Dystrophy, Usher Syndromes, Retina; Dystrophy
- Trial name
- NCT03990727
- Testing
- Retina Analysis-mosaic, Autofluorescence, OCT- 1 micra
- Where
- Mexico
- Volunteers
- 17,000 people, healthy volunteers welcome
- Sponsor
- MejoraVisionMD
Macular Dystrophy, Corneal
Phase 1 Pilot Study of 4-MP to Treat Stargardt Macular Dystrophy
The purpose of this study is to investigate whether taking 4-methylpyrazole (4-MP, fomepizole, Antizol™) inhibits dark adaptation of the eye.
- Trial name
- NCT00346853
- Testing
- 4-Methylpyrazole, saline
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Utah
Retinitis Pigmentosa
Validation of Standardized Test Protocols to Assess the Impact of Visual Pathologies in Daily Life Activities
the incidence of the disease of retinal degenerations with loss of photoreceptors (related to old age or genetic) on patients' daily lives, is poorly characterize without standardized means of measurement (usually performed with…
- Trial name
- PROST (NCT04448860)
- Testing
- performance of behavioral locomotion tasks phase 1, performance of behavioral locomotion tasks phase 2
- Where
- France
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Varices; Cord
Outcome of Sub-inguinal Varicocelectomy on Normal Semen in Patients Complaining of Orchilagia With Normal Semen
varicoclelectomy is done for subfertiltiy and varicocele induced orchialgia. The effect of varicocelectomy on semen analysis is controversial. Many articles report favorable outcomes and others do not.
- Trial name
- NCT03835143
- Testing
- subinguinal varicocelectomy
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Assiut University
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
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
Retinal Dystrophies
SS-HH-OCT as a Novel Diagnostic Modality for Early-Onset Retinal Dystrophies (EORDs)
The goal of this observational study is to utilize a novel imaging system designed for high-resolution retinal imaging of neonates, infants and children to identify the signs of photoreceptor development and degeneration in…
- Trial name
- SS-HH-OCT (NCT06177977)
- Testing
- SS-HH-OCT
- Where
- United States
- Volunteers
- 137 people, healthy volunteers welcome
- Sponsor
- Duke University
Retinitis Pigmentosa
Clinical Implication of Retinitis Pigmentosa Molecular Diagnostic Using High Throughput Sequencing.
The retinitis pigmentosa (RP) are genetic conditions that cause retinal degeneration leading to severe low vision and is the leading cause of consultation in reference centers dedicated to the ophthalmic genetics.
- Trial name
- RP-SEQ-HD (NCT02860520)
- Where
- 4 sites in France
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Corneal Dystrophy, Macular Dystrophy
The Efficacy of Hyperemesis Gravidarum on Macular Thickness, Corneal Thickness and Intraocular Pressure in Pregnancy
Aim Physiological changes in intraocular pressure as well as in the cornea and macula may occur during pregnancy. In the literature, there are limited data on ocular findings in hyperemesis gravidarum.
- Conditions
- Corneal Dystrophy, Macular Dystrophy, Hyperemesis Gravidarum - Severe
- Trial name
- NCT05927740
- Testing
- Optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
Retinitis Pigmentosa, Retinal Dystrophy
Observational Study to Assess the Reliability and Validity of the MLYMT and MLSDT
This is a prospective Multi-Center Observational Study to assess the reliability and validity of the Multi-Luminance Y-Mobility Test (MLYMT) and Multi-Luminance Shape Discrimination Study (MLSDT) Main Outcome Measures: (i)…
- Trial name
- NCT05820100
- Testing
- Observational
- Where
- 8 sites in United States, Puerto Rico
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Nanoscope Therapeutics Inc.
Familial Mediterranean Fever (FMF), Autoinflammation
Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics
This study is designed to explore the genetics and pathophysiology of diseases presenting with intermittent fever, including familial Mediterranean fever, TRAPS, hyper-IgD syndrome, and related diseases.
- Conditions
- Familial Mediterranean Fever (FMF), Autoinflammation, Periodic Fever, Fever
- Trial name
- NCT00001373
- Where
- 5 sites in United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- National Human Genome Research Institute (NHGRI)
Cone-Rod Degeneration, Rod-Cone Degeneration
Virtual Reality Mobility Assessment of Functional Vision in Retinal Disease
Background: The retina is a thin layer of tissue at the back of the eye. Retinal disease usually reduces a person s mobility because it affects how he or she moves through familiar and unfamiliar environments.
- Trial name
- NCT04289571
- Testing
- VR Mobility Tool
- Where
- 2 sites in United States, Australia
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Inherited Retinal Dystrophy Primarily Involving Sensory Retina, Inherited Retinal Dystrophy Primarily Involving Retinal Pigment Epithelium
Establishment of the National Registry for Inherited Retinal Dystrophy in Iran
Purpose: To establish of the national Inherited Retinal Dystrophy Registry (IRDR) in Iran. Methods: This study is a community-based participatory research that is approved by the Ministry of Health and Medical Education of Iran…
- Trial name
- NCT04131400
- Testing
- Visual Acuity Testing and Retinal Imaging
- Where
- Iran
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Macular Degeneration
Complement Factor H Haplotypes and Smoking in Age-related Macular Degeneration
Risk factors for Age-related Macular Degeneration (AMD) involves genetic variations in the alternative pathway of complement inhibitor factor H. The complement system is part of the innate and adaptive immune system.
- Trial name
- CFH&AMD (NCT01115231)
- Where
- 2 sites in United States
- Volunteers
- 223 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Retinal Dystrophies, Retinitis Pigmentosa
Evaluation of Objective Perimetry Using Chromatic Multifocal Pupillometer
Objective perimetry can better monitor visual field defects in retinal dystrophy and Glaucoma patients than conventional subjective perimetry.
- Conditions
- Retinal Dystrophies, Retinitis Pigmentosa, Glaucoma
- Trial name
- NCT02014389
- Where
- Israel
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
AMD - Age-Related Macular Degeneration, Retinitis Pigmentosa (RP)
Retinal Investigation Using Optos OCT Device
Retinal investigation using OCT with control and diseased eyes
- Conditions
- AMD - Age-Related Macular Degeneration, Retinitis Pigmentosa (RP), Diabetic Retinopathy, Control Patients
- Trial name
- NCT06846151
- Testing
- retinal functional imaging
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Optos, PLC