Clinical trials: Retina
Covid19
OCTA Study: Retinal Vascular Changes in Patients With SARS-CoV-2 Infection
This study evaluates the retinal vascular features using optical coherence tomography angiography in patients that have been affected by COVID-19.
- Trial name
- NCT04601012
- Testing
- Optical coherence tomography angiography
- Where
- Italy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Federico II University
Branch Retinal Vein Occlusion
Assessment Of Peri-papillary Retinal Nerve Fiber Layer Thickness In Patients With Unilateral Branch Retinal Vein Occlusion
Several studies have indicated a relation between the development of RVO and elevated intraocular pressure (IOP) and glaucoma [9].
- Trial name
- NCT06146309
- Testing
- aflibercept (2mg/0.05ml)
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Rhegmatogenous Retinal Detachment
Clinical Trial of Cryotherapy Versus Postoperative Laser Photocoagulation
The purpose of this randomized clinical trial was to compare reattachment rates among patients with rhegmatogenous retinal detachment who underwent scleral buckle surgery with retinopexy by cryotherapy versus postoperative (one…
- Trial name
- NCT01068379
- Testing
- criopexy, laser
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Proliferative Vitreoretinopathy, Proliferative Vitreo-Retinopathy
The Safety and Efficacy of Intravitreal Topotecan for the Treatment of Proliferative Vitreoretinopathy
The goal of this clinical trial is to evaluate the safety and efficacy of intravitreal topotecan for the treatment of patients with rhegmatogenous retinal detachment due to proliferative vitreoretinopathy (PVR) or resulting from…
- Conditions
- Proliferative Vitreoretinopathy, Proliferative Vitreo-Retinopathy, Rhegmatogenous Retinal Detachment
- Trial name
- NCT06425419
- Testing
- Topotecan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Diabetic Retinopathy
Restoration of Retinal Vascular Responses in Type 1 Diabetic Patients
Diabetic retinopathy is the leading cause of blindness in the developed world. The causes of the disease are poorly understood. One of the earliest changes that occur in the retinas of diabetic patients, well before overt…
- Trial name
- NCT02099981
- Testing
- Aminoguanidine
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Cataract, Age Related Macular Degeneration
Cataract and AMD in a Trial of a Multivitamin and Cocoa Extract
COSMOS-Eye is an ancillary study of the COcoa-Supplement and Multivitamins Outcomes Study (COSMOS; NCT02422745). COSMOS is a randomized clinical trial of cocoa extract supplement (containing a total of 500 mg/d flavanols…
- Trial name
- COSMOS-Eye (NCT03205202)
- Testing
- Cocoa extract, Multivitamin
- Volunteers
- 21,442 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Retina Disease, Glaucoma
P200TE Agreement and Precision Study
This study is a prospective comparative, randomized, single center study to assess agreement and precision of the P200TE in comparison to the predicate device in normal subjects, subjects with glaucoma, and subjects with retinal…
- Conditions
- Retina Disease, Glaucoma, Normal
- Trial name
- NCT05536401
- Testing
- P200TE, Predicate Device
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Parkinson Disease, Healthy Adult Participants
Brain Dopamine Biomarker
This study is being conducted at the Morsani College of Medicine to determine whether signals recorded from the eyes and brain can be used as a noninvasive way to monitor dopamine function.
- Trial name
- B3-4D (NCT07748715)
- Testing
- Levadopa/Carbidopa eyedrops, Levodopa/Carbidopa (Sinemet)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Diabetic Retinopathy
Vascular Reparative Mechanism in Diabetes
The purpose of this research study is to study blood stem cells in diabetic patients and normal patients. We would like to better understand if these cells, called endothelial precursor cells (EPCs), are not working as expected…
- Trial name
- RAAS (NCT02119689)
- Testing
- Diabetic Patients, Healthy Controls
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Age Related Macular Degeneration
Development of Core Outcomes for Age-related Macular Degeneration (AMD) Interventions- Caregivers' Perspective
This study will explore experience of AMD caregivers in order to develop a core outcome set (COS) for age related macular degeneration (AMD) randomised controlled trials (RCTs) trying to capture what research outcomes are…
- Trial name
- NCT02567604
- Testing
- Focus Groups
- Where
- United Kingdom
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Open Angle Glaucoma, Low Tension Glaucoma
Validation of Retinal Oximetry in Glaucoma Patients: a Structural and Functional Correlation
Retinal ischemia is thought to play an important role in the pathogenesis of glaucoma. Up until today, very little is known about the metabolic alterations in the retina of glaucoma patients, since only techniques for surrogate…
- Trial name
- NCT01391247
- Where
- Belgium
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Ophthalmology, Large Language Models
A Multimodal AI Agent for Ophthalmic Clinical Decision Support
This study is a multicenter randomized controlled trial evaluating the effectiveness and safety of EyeAgent, a multimodal artificial intelligence (AI) agent designed to assist ophthalmologists in clinical decision-making.
- Conditions
- Ophthalmology, Large Language Models, AI Agent, Eye Disease
- Trial name
- NCT07401459
- Testing
- EyeAgent AI system
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Age-related Macular Degeneration, Coronary Artery Disease
Ranibizumab and the Risk of Arterial Thromboembolic Events
The investigators assume that ranibizumab might be dangerous in patients with history of coronary artery disease or cerebrovascular events.
- Conditions
- Age-related Macular Degeneration, Coronary Artery Disease, Cerebrovascular Disorders
- Trial name
- RATE (NCT01319188)
- Testing
- 0.5 mg of ranibizumab, 0.5 mg of ranibizumab + photodynamic therapy
- Where
- 2 sites in Netherlands, Russia
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Ural State Medical University
Age Related Cognitive Decline, Age Related Macular Degeneration
Walnuts and Healthy Aging
This will be a systematic investigation of the role of walnuts in preventing or slowing age related cognitive decline and age related macular degeneration.
- Trial name
- WAHA (NCT01634841)
- Testing
- Walnuts, habitual diet
- Where
- 2 sites in United States, Spain
- Volunteers
- 708 people, healthy volunteers welcome
- Sponsor
- Loma Linda University
Retina, Regional Blood Flow
Effect of Antioxidants on Ocular Blood Flow, Endothelial Function, and Cytokine Levels in LPS Induced Inflammatory Model in Humans.
Oxidative stress, which refers to cellular damage caused by reactive oxygen intermediates, has been implicated in many disease processes, especially age-related disorders.
- Conditions
- Retina, Regional Blood Flow, Endotoxin, Escherichia Coli
- Trial name
- NCT00431691
- Testing
- vitamin and mineral supplement, Escherichia coli Endotoxin (LPS), 100% O2
- Where
- Austria
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Diabetic Retinopathy
Proteomic Study of Plasma Exosomes in Patients With Diabetic Retinopathy
Objective: Explore the biomarkers related to proliferative diabetic retinopathy by analyzing the protein expression profile changes of plasma exosomes in patients with difference phases of diabetic retinopathy, and investigate…
- Trial name
- NCT06188013
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Xuanwu Hospital, Beijing
Retinal Dystrophies, Color Vision Defects
Natural History Study of Inherited Retinal Diseases
This prospective, observational investigation seeks to delineate the interplay between chromatic vision deficits and both functional visual outcomes and anatomical retinal biomarkers in individuals affected by Inherited Retinal…
- Conditions
- Retinal Dystrophies, Color Vision Defects, Vision Disorders, Macular Degeneration
- Trial name
- MojiLVCDT (NCT07085533)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Augelux Therapeutics
Major Depressive Disorders
The Effects of Transcranial Magnetic Stimulation on Retina and Choroidal Structures
Transcranial Magnetic Stimulation (TMS) therapy is an approved and effective treatment option in treatment-resistant depression.
- Trial name
- TMSEYE (NCT06615804)
- Testing
- Transcranial Magnetic Stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Gulhane Training and Research Hospital
Retinopathy of Prematurity
Effects of Early Vitamin A Supplementation on the Risk for Retinopathy of Prematurity in Extremely Preterm Infants
Retinopathy of prematurity (ROP) is a common retinal neovascular disorder and major cause of vision impairment or blindness, despite current treatment of late stage ROP.
- Trial name
- NCT03154723
- Testing
- Vitamin A
- Where
- China
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Huiqing Sun
Diabetes Mellitus, Diabetic Retinopathy
Evaluation of Early Retinal Nerve Injury in Type 2 Diabetes Patients Without Diabetic Retinopathy
The object of this study is to investigate the damage to the retinal nerve fiber layer (RNFL) and ganglion cell complex layer (GCL+) in diabetic patients without retinal microangioma as detected by fundus fluorescein angiography…
- Conditions
- Diabetes Mellitus, Diabetic Retinopathy, Nerve Injury
- Trial name
- NCT03970161
- Testing
- routine ophthalmic examination
- Where
- China
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Third Affiliated Hospital, Sun Yat-Sen University