Clinical trials: Retinal Vascular
Ischemic Stroke
Correlation Between the Changes of Retinal Structure and Function and Ischemic Stroke
Ischemic stroke is the most common type of stroke, accounting for 60%-80% of all types of strokes, and is one of the leading global causes of death and severe disability.
- Trial name
- NCT05281887
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Guangdong Provincial People's Hospital
Diabetic Retinopathy (DR), Age-related Macular Degeneration (AMD)
Photobiomodulation & Ketogenic Diet for Treatment of Mid-periphery Retinal Disorders for Alzheimer's Disease Prevention
The study will explore the impact of photobiomodulation (PBM), pulsating at frequencies of red (660nm) and near-infrared (810nm)(NIR), concurrent with a ketogenic dietary protocol (serum ketones @ .5 - 2.0 mmol/L) to mediate…
- Conditions
- Diabetic Retinopathy (DR), Age-related Macular Degeneration (AMD), Mid-peripheral Drusen Formation, Diabetic Macular Edema (DME)
- Trial name
- NCT03859245
- Testing
- Photobiomodulation, Ketogenic diet
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bristlecone Health, Inc.
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion
New Non-invasive Modalities for Assessing Retinal Structure and Function
This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other…
- Conditions
- Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy
- Trial name
- NCT03475173
- Testing
- LSFG-NAVI
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Retinal Artery Occlusion
Optical Coherence Tomography Angiography Examinations in Chronic Retinal Artery Occlusion
Purpose of the study is to examine the retinal blood flow in chronic cases of retinal artery occlusion with non-invasive, non-contact optical coherence tomography angiography.
- Trial name
- RAO-OCTA (NCT03357146)
- Testing
- Optical coherence tomography angiography
- Where
- Hungary
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Semmelweis University
Macular Holes, Epiretinal Membrane
Intraoperative OCT Guidance of Intraocular Surgery II
The overall five-year goals of the project are to develop novel technology to provide actionable new information through provision of live volumetric imaging during surgery, improving surgical practice and outcomes.
- Conditions
- Macular Holes, Epiretinal Membrane, Diabetic Retinopathy, Retinal Detachment
- Trial name
- MIOCT (NCT03713268)
- Testing
- Microscope integrated optical coherence tomography
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Duke University
Diabetes Complications, Diabetic Retinopathy
Human iPSC for Repair of Vasodegenerative Vessels in Diabetic Retinopathy
This study proposes to carefully examine the hypothesis that human inducible pluripotent stem cells (iPSCs) can be effectively employed as a future therapeutic option for individuals with diabetic retinopathy and macular…
- Trial name
- iPSC (NCT03403699)
- Testing
- Generation of inducible pluripotent stem cells
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Cardiovascular Diseases, Childhood Obesity
Sportcheck Follow-Up
The study resembles a four-year follow-up on the influence of physical activity and fitness, blood pressure, BMI and stress on vascular health in primary schoolchildren.
- Conditions
- Cardiovascular Diseases, Childhood Obesity, Hypertension
- Trial name
- NCT03085498
- Testing
- No intervention
- Where
- Switzerland
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Basel
Diabetic Retinopathy
Retinal Thickness Analysis Using Optical Coherence Tomography
The main objective of this study is to characterize and correlate diabetic macular edema (DME), i.e. increased retinal thickness, measured by Optical Coherence Tomograph (OCT), and retinal visual function.
- Trial name
- NCT00797134
- Where
- Portugal
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Association for Innovation and Biomedical Research on Light and Image
Sexual Desire
Effects of Glucagon-like-Peptide-1 Analogues on Sexuality
This study is to investigate the effects of GLP-1 analogues (combined with lifestyle interventions in comparison to lifestyle interventions only) on sexual desire, mood, quality of life, the reproductive axis, retinal vessel…
- Trial name
- Desire PLUS (NCT05598008)
- Where
- Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Retinal Vascular Disorder, Sport Injury
Analysis of the Variation of the Retinal Vascularization After a Prolonged Effort
The cardiovascular parameters of prolonged physical exercice have been studied, but very little data is available about the retinal vascularization.
- Trial name
- MARETINE (NCT03864380)
- Testing
- Color retinography, OCT-A, Blood pressure measurement
- Where
- France
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Retinal Vein Occlusion, Macular Edema
Efficacy of an Intravitreal DEX Implant in Retinal Vein Occlusion Following Treatment With Anti-VEGF Injections.
To test the efficacy of a 0.7 mg intravitreal dexamethasone implant (Ozurdex®) on macular function and recalcitrant macular edema associated with retinal vein occlusion following treatment with 2 or more prior intravitreal…
- Trial name
- NCT01449682
- Testing
- Ozurdex
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Retina Macula Institute
Diabetic Macular Edema, Branch Retinal Vein Occlusion
EffiCacy, Safety and ToLErability of a Novel Ocular ANtiseptic for Ocular Use (CLEAN)
This is a randomized, double-masked, multicenter, study to evaluate the efficacy, safety, and tolerability of IRX-101 versus 5% povidone-iodine (PI) in subjects receiving intravitreal anti-VEGF injections.
- Conditions
- Diabetic Macular Edema, Branch Retinal Vein Occlusion, Glaucoma/Closed Angle Glaucoma
- Trial name
- CLEAN (NCT05127525)
- Testing
- IRX-101, Control
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- iRenix Medical, Inc.
Central Retinal Vein Occlusion
Retinal Blood Flow in Response to an Intravitreal Injection of Ranibizumab for Central Retinal Vein Occlusion (CRVO)
Ranibizumab (Lucentis, Genentech) is an off-label drug used for the clinical treatment of central retinal vein occlusion, which is one of the most common retinal vascular disorders.
- Trial name
- NCT01303276
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Conjunctivitis, Glaucoma
Feasibility Study and Preliminary Application Study on Iris OCTA
All participants will underwent imaging using the OCTA system (Zeiss) with the anterior segment optical adaptor lens. The main outcomes are iris blood flow density and vascular density.
- Conditions
- Conjunctivitis, Glaucoma, Myopia, Diabetic Retinopathy
- Trial name
- NCT03631108
- Testing
- OCTA (ZEISS)
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Diabetic Retinopathy
The Diabetic Retinopathy Screening, Prevention and Control Program
The greatest harm of diabetes is various acute and chronic complications, especially diabetic retinopathy(DR), leading to extremely high rates of disability and blindness.
- Trial name
- NCT04240652
- Where
- 2 sites in China
- Volunteers
- 500,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Jiao Tong University School of Medicine
Healthy
Measurement of the Eye's Blood Vessels Using the Dynamic Vessel Analyzer (DVA)
The purpose of this research study is examine the response of the blood vessels in the eye to a light flicker stimulus using the Dynamic Vessel Analyzer (DVA) on two separate days in healthy individuals.
- Trial name
- NCT00783029
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Penn State University
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
Branch Retinal Artery Occlusion, Central Retinal Artery Occlusion
Retinal Oxygen Saturation, Blood Flow, Vascular Function and High Resolution Morphometric Imaging in the Living Human Eye
Canadians fear loss of vision more than any other disability. Vision loss has an enormous impact on quality-of-life and is extremely costly from a societal and economic perspective.
- Conditions
- Branch Retinal Artery Occlusion, Central Retinal Artery Occlusion, Branch Retinal Vein Occlusion, Central Retinal Vein Occlusion
- Trial name
- NCT01348633
- Where
- Canada
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Retinal Vascular, Normal Eyes
Evaluation of Additional Heidelberg Engineering SPECTRALIS With OCT Angiography Module (OCTA Module) Scan Types
Assessment of image quality and clinical relevance of OCT Angiography at different speed/ART combinations
- Trial name
- OCTA (NCT04604002)
- Testing
- OCT Angiography, Color Fundus Photography, Optical Coherence Tomography
- Where
- United States
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH