Clinical trials: Retinal Dystrophy
Diabetic Retinopathy, Macular Degeneration
Advancing Understanding of Transportation Options
This Stage II randomized, controlled, longitudinal trial seeks to assess the acceptability, feasibility, and effects of a driving decision aid use among geriatric patients and providers.
- Conditions
- Diabetic Retinopathy, Macular Degeneration, Glaucoma, Retinitis Pigmentosa
- Trial name
- AUTO (NCT04141891)
- Testing
- Driving Decision Aid, Older Drivers Website
- Where
- 3 sites in United States
- Volunteers
- 529 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
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
Asherman Syndrome
Pre-clinical Endometrial Tissular Renovation Study
The endometrium is a tissue with high capacity of renewal ("self-renewal"). This process is regulated by stem cells. Recent studies have shown that bone marrow-derived stem cells (BMDSCs) contribute to tissues and organs…
- Trial name
- PreENTIRE (NCT03665649)
- Testing
- CD133+ cells isolation
- Where
- Spain
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Igenomix
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, Leber's Hereditary Optic Neuropathy
Pupil Dynamics and Color Vision for the Detection of Eye Diseases
The development of new oculometry techniques allows fine and dynamic measurements of pupillary diameter and use in routine clinical practice.
- Conditions
- Retinitis Pigmentosa, Leber's Hereditary Optic Neuropathy, Stargardt Disease
- Trial name
- PupDyn (NCT04909398)
- Testing
- Dynamic pupillometry sessions
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
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
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Retinitis Pigmentosa
Clinical Study to Evaluate Safety and Efficacy of BMMNC in Retinitis Pigmentosa
Retinitis pigmentosa is an eye disease in which there is damage to the retina. The retina is the layer of tissue at the back of the inner eye that converts light images to nerve signals and sends them to the brain.Autologous Bone…
- Trial name
- NCT01914913
- Testing
- BMMNCs
- Where
- India
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Chaitanya Hospital, Pune
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
Retinitis Pigmentosa
Safety and Efficacy of the Alpha AMS Subretinal Implant
The aim of this single-centre study is to assess the safety and efficacy of the Retina Implant Alpha AMS (Retina Implant AG, Reutlingen, Germany) in participants with severe visual impairment secondary to outer retinal…
- Trial name
- OX-RI (NCT02720640)
- Testing
- Implant 'on' vs implant 'off'
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Oxford
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
Retinitis Pigmentosa
TES for the Treatment of RP
Retinitis pigmentosa (RP) is a progressive degenerative disease of the retina, which often leads to blindness. 1 in 4000 people in the UK are affected by RP yet there is no established therapy for treating or delaying its…
- Trial name
- TESOLAUK (NCT01847365)
- Testing
- Transcorneal electrical stimulation
- Where
- 2 sites in United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Oxford
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, Geographic Atrophy
Real-time Acoustic Biofeedback for Enhancing Fixation Stability: A Proof-of-concept Study to Improve Ophthalmic Imaging Diagnostic Quality
The goal of this Proof of Concept Feasibility Study is to improve the fixation stability in patients with fixation loss due to blindness or central vision loss using a patented acoustic real-time feedback device.
- Conditions
- Retinal Dystrophies, Geographic Atrophy, Blindness
- Trial name
- NCT07529041
- Testing
- A device providing acoustic real-time biofeedback
- Where
- Germany
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University Medical Center Goettingen
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
Eye Diseases Hereditary, Retinal Disease
Inherited Retinal Degenerative Disease Registry
The My Retina Tracker® Registry is sponsored by the Foundation Fighting Blindness and is for people affected by one of the rare inherited retinal degenerative diseases studied by the Foundation.
- Conditions
- Eye Diseases Hereditary, Retinal Disease, Achromatopsia, Bardet-Biedl Syndrome
- Trial name
- MRTR (NCT02435940)
- Where
- United States
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Foundation Fighting Blindness
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
Usher Syndrome, Retinitis Pigmentosa
Study of Dietary N-3 Fatty Acids in Patients With Retinitis Pigmentosa and Usher Syndrome
OBJECTIVES: I. Examine the concentration of docosahexanoic acid (DHA) and other n-3 fatty acids in plasma, erythrocyte, and adipose tissue in patients with various forms of retinitis pigmentosa and Usher syndrome. II.
- Trial name
- NCT00004345
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Retinitis Pigmentosa, Retinal Degeneration
The Effects of Cannabis on Visual Functions in Healthy and Retinitis Pigmentosa Patients
Medical Marijuana is used widely, and its effects on the visual system and the function of the retina have not been investigated thoroughly.
- Conditions
- Retinitis Pigmentosa, Retinal Degeneration, Cannabis
- Trial name
- NCT03078309
- Testing
- cannabis
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Stargardts, Retinitis Pigmentosa
High Resolution Retinal Imaging
Studying the morphology and function of the normal and diseased retina in vivo is needed for advancing the detection, diagnosis, and treatment of retinal disease.
- Conditions
- Stargardts, Retinitis Pigmentosa, Age-related Macular Degeneration, Choroideremia
- Trial name
- AOSLO (NCT01866371)
- Testing
- Retinal imaging
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania