Clinical trials: Retinopathy
Type 2 Diabetes Mellitus Diabetic Retinopathy Cognitive Dysfunction
The Potential of Optical Coherence Tomography Angiography (OCTA) to Detect Early Cognitive Dysfunction in Diabetic Patients
Diabetic Retinopathy (DR) is one of the most common complications of diabetes, and its association with cognitive dysfunctions is becoming an increasingly frequent research interest.
- Trial name
- NCT07135440
- Testing
- OCT angiography RTVue XR Avanti; Optovue, Inc, Fremont, California, USA
- Where
- Bosnia and Herzegovina
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Dr. Sefic Eye Polylcinic and Optical Studio
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
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
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
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
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
Age-Related Macular Degeneration, Allergies
Tissue Repository Providing Annotated Biospecimens for Approved Investigator-directed Biomedical Research Initiatives
To collect, preserve, and/or distribute annotated biospecimens and associated medical data to institutionally approved, investigator-directed biomedical research to discover and develop new treatments, diagnostics, and…
- Conditions
- Age-Related Macular Degeneration, Allergies, Alpha-Gal Syndrome, Alzheimer Disease
- Trial name
- NCT05635266
- Testing
- Specimen sample
- Where
- United States
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Sanguine Biosciences
Glaucoma Associated With Other Ocular Disorders, Retina Disorder
AOSLO Imaging for the Study of Cellular Alterations in Retinal Neurodegeneration
Primary objective: Acquisition and analysis of images for non-medical purposes using the MONA IV system, an adaptive-optics-corrected scanning ophthalmoscope.
- Trial name
- RETION (NCT07725055)
- Testing
- MONA Imaging System
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
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
Age Related Macular Degeneration
OCTA and Retinal Angiomatous Proliferation
To investigate, using optical coherence tomography angiography, the retinal vascular features in patients affected by RAP.
- Trial name
- NCT04689789
- Testing
- optical coherence tomography angiography
- Where
- Italy
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- Federico II University
Retinal Hemorrhage, Bilateral, Retinal Hemorrhage, Left Eye
Retinal Imaging Study of Children That Might be at Risk of Having Retinal Hemorrhages
This is a clinical trial in which we will learn about the retinal findings in three clinical groups of children, who might be at risk of having retinal hemorrhages (RH).
- Conditions
- Retinal Hemorrhage, Bilateral, Retinal Hemorrhage, Left Eye, Retinal Hemorrhage, Right Eye
- Trial name
- RISC (NCT05576285)
- Testing
- ophthalmoscopy and fundus photography through dilated pupills
- Where
- Sweden
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Region Stockholm
Diabetic Retinopathy
WF and PR OCTA in Diabetic Retinopathy
Diabetic retinopathy (DR) is a leading cause of vision loss in working-age Americans. Capillary damage from hyperglycemia causes vision loss through downstream effects, such as retinal ischemia, edema, and neovascularization…
- Trial name
- NCT03922932
- Where
- United States
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Type 2 Diabetic Retinopathy
The Effect Evaluation of Continuous Nursing Intervention in Patients With Type 2 Diabetic Retinopathy
Objective: To evaluate the application effect of continuous nursing intervention in type 2 diabetic retinopathy (DR), and to explore its clinical application value.
- Trial name
- NCT05716308
- Testing
- A continuous nursing intervention group was established.
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital