Clinical trials: Retinal Disorder
Primary Open Angle Glaucoma, Normal Tension Glaucoma
Correlation of Orbital Cerebrospinal Fluid Pressure and Retinal Venous Outflow in Primary Open-angle Glaucoma
A spontaneous venous pulsation over the optic disc is an ophthalmological sign that can potentially be found in up to 98% of healthy individuals.
- Trial name
- NCT01795014
- Where
- Belgium
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Age-related Macular Degeneration
Age-related Macular Degeneration (AMD) in the Vitamin D and Omega-3 Trial (VITAL)
The VITamin D and OmegA-3 Trial (VITAL; NCT 01169259) is a randomized clinical trial in 25,875 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids (Omacor fish…
- Trial name
- NCT01782352
- Testing
- Omega-3 fatty acids (fish oil), Vitamin D3
- Where
- United States
- Volunteers
- 25,871 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Ophthalmic Diseases (Specific Types Not Restricted), Cataract
Research on a New Intelligent Mobile Screening and Diagnosis Pattern for Ocular Diseases
The global distribution of primary ophthalmic medical resources is uneven, and the traditional eye disease screening model has problems such as low efficiency, high cost and limited coverage.
- Conditions
- Ophthalmic Diseases (Specific Types Not Restricted), Cataract, Refraction Error, Diabetic Retinopathy (DR)
- Trial name
- NCT07003165
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Diabetic Retinopathy
Augmenting Referral Pathway to Improve Uptake of Retinal Services by Diabetic Patients
Reiyukai Eiko Masunaga Eye Hospital (REMEH) is a non-profitable organization. Retina services were resumed from October 2019. Until this retinal service started, it has been mostly cataract-focused.
- Trial name
- NCT04829084
- Testing
- Pre-post educational intervention
- Where
- Nepal
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Seva Foundation
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
Artificial Intelegence, Diabetic Retinopathy Associated With Type 2 Diabetes Mellitus
Application of Artificial Intelligence in Early Detection of Eye Complications in Diabetics
The goal of this pragmatic trial is to test the benefit of using artificial intelligence-based eye screening i.e, a fundus camera device in the early detection of eye complications in diabetics.
- Conditions
- Artificial Intelegence, Diabetic Retinopathy Associated With Type 2 Diabetes Mellitus, Macular Edema Due to Type 2 Diabetes Mellitus
- Trial name
- AI (NCT05655117)
- Testing
- AI based eye screening
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- The New Model of Care, Hail Health Cluster
Heart Failure
Novel Clinical Utility of Retinal Imaging in Patients With Heart Failure
Endothelial dysfunction and microvascular disease have been shown to play an important role in both the development and progression of heart failure.
- Trial name
- NCT05086978
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- 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
Central Serous Chorioretinopathy
Optical Coherence Tomography Angiography (OCT-A) and Central Serous Chorioretinopathy (CSC)
Optical Coherence Tomography Angiography (OCT-A) is a noninvasive imaging technique that allows one to see blood vessels in the retina.
- Trial name
- OPACITY (NCT03950089)
- Testing
- Optical Coherence Tomography Angiography (OCT-A)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Dry Eye Syndromes
The Effects of BAK on the Blood Aqueous Barrier of Pseudophakic Patients
BAK is one of the most frequent preservatives in eye drops. BAK is a quaternary ammonium salt with surfactant qualities. It can be bacteriostatic or bactericidal depending on the concentrations used.
- Trial name
- NCT01280110
- Testing
- Hydroxypropylmethylcellulose, Carboxymethylcellulose
- Where
- Brazil
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Macular Holes
Clinical Characteristics and Surgical Outcomes of Full-thickness Macular Hole Without Focal Vitreomacular Traction.
This multicenter, retrospective, observational comparative study. We occasionally encounter FTMHs in which PVD has not been achieved and VMT is absent.
- Trial name
- NCT06560710
- Testing
- vitrectimy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- St. Marianna University School of Medicine
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.
Age Factor, Age-related Macular Degeneration
Flicker Fusion Thresholds Between Young and Old Subjects at Various Luminance Levels
The objective of this study is to determine which luminance levels yield maximum differences in critical flicker fusion (CFF) scores between younger and older normal subjects.
- Trial name
- NCT03079570
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- ORA, Inc.
Sickle Cell Disease
Spectralis HRA+OCT Imaging of the Retina With Autofluorescence in Sickle Cell Disease
To determine the retinal and choroidal thickness in patients with sickle cell disease compared to age, race matched population without sickle cell disease to allow a better understanding of the clinical manifestations of sickle…
- Trial name
- NCT01123369
- Where
- 2 sites in United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Central Serous Chorioretinopathy
Short-Term Oral Mifepristone for Central Serous Chorioretinopathy
The goal of the study is to assess the efficacy and safety of mifepristone 300 or 900-mg once-daily dosing by mouth for 4 weeks in patients with central serous chorioretinopathy.
- Trial name
- STOMP-CSC (NCT02354170)
- Testing
- Mifepristone
- Where
- 2 sites in United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Roger Goldberg, M.D., MBA
Diabetic Retinopathy, Diabetic Macular Edema
Study of the Safety and Efficacy of APX3330 in Diabetic Retinopathy
The objective of this study is to evaluate the safety and efficacy of APX3330 to treat diabetic retinopathy (DR) and diabetic macular edema (DME).
- Conditions
- Diabetic Retinopathy, Diabetic Macular Edema, NPDR - Non Proliferative Diabetic Retinopathy, PDR - Proliferative Diabetic Retinopathy
- Trial name
- ZETA-1 (NCT04692688)
- Testing
- APX3330
- Where
- 24 sites in United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Opus Genetics, Inc
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
Diabetes Mellitus, Type 1, Hypertension
Correlation of Flicker Induced and Flow Mediated Vasodilatation in Patients With Endothelial Dysfunction and Healthy Volunteers.
A couple of studies have shown that illuminating the eye with diffuse flickering light is accompanied by an increase of retinal vessel diameters, optic nerve head blood flow and retinal blood flow.
- Conditions
- Diabetes Mellitus, Type 1, Hypertension, Hypercholesterolemia, Regional Blood Flow
- Trial name
- NCT00432029
- Testing
- Forearm blood flow measurement, Flow mediated dilation (FMD), Zeiss Retinal Vessel Analyzer (RVA), Stimulation with Flicker-light
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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
Proliferative Diabetic Retinopathy
Intravitreal Bevacizumab vs Laser vs Combination of Bevacizumab and Modified Laser in PDR
In this randomized 3-armed clinical trial, 105 eyes with PDR will be included and divided randomly into 3 groups: IVB group (35 eyes) that receive 4 monthly IVB injections and then rescue IVB, PRP group (35 eyes) that undergo…
- Trial name
- NCT04800679
- Testing
- receive 4 monthly IVB injections and then rescue IVB, PRP group, IVB injections and a modified laser
- Where
- Iran
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences