Clinical trials: Retinal Vascular Disorder
Surgical Retinal
CD160 Expression in Retinal Vessels is Associated With Retinal Neovascular Diseases
The aims of this study were to analyze CD160 expression in both normal and pathological eyes from human adults to evaluate association between CD160 presence on endothelial cells from blood vessels and retinal vascular disease
- Trial name
- NEOVASC-CD160 (NCT03940664)
- Testing
- immunohistochemistry on Formalin fixed and paraffin embedded blocks
- Where
- France
- Volunteers
- 75 people
- Sponsor
- CHU de Reims
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
Diabetic Retinopathy, Macular Edema
Intravitreal Bevacizumab (Avastin®) Versus Intravitreal Dexamethasone (Ozurdex™) for Persistent Diabetic Macular Oedema
The specific aims of the study are to test the following hypotheses: That there is a difference in change in visual acuity resulting from treatment with intravitreal bevacizumab compared with dexamethasone implant in eyes with…
- Trial name
- NCT01298076
- Testing
- bevacizumab, dexamethasone
- Where
- 4 sites in Australia
- Volunteers
- 61 people
- Sponsor
- University of Sydney
Retinal Vasculitis, Behcet Syndrome
Evaluation of Macular Vascular Changes in Behcet's Disease Using Optical Coherence Tomography Angiography
Behcet's disease is an important cause of retinal vasculitis and vision loss in Egypt. Fluorescein angiography is the standard method of diagnosis of retinal vasculitis.
- Trial name
- NCT03264391
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Assiut University
Diabetic Retinopathy
ARTIFICIAL INTELLIGENCE FOR MASS SCREENING OF THE DIABETIC RETINOPATHY IN THE CHERNIVTSI REGION (Pilot Study)
The purpose of this study is to create a patient-centric environment for early detection of DR with AI-driven solutions.
- Trial name
- AIMDR (NCT06112691)
- Testing
- taking fundus photos using non-mydriatic fundus camera - FundusScope Rodenstock
- Where
- Ukraine
- Volunteers
- 660 people, healthy volunteers welcome
- Sponsor
- The Filatov Institute of Eye Diseases and Tissue Therapy
Choroidal Neovascularization, Diabetic Retinopathy
PF-04523655 Dose Escalation Study, and Evaluation of PF-04523655 With/Without Ranibizumab in Diabetic Macular Edema (DME)
This is a two-part study. The first part (Stratum I) is an open-label, dose escalation, safety, tolerability and pharmacokinetic study, where active study drug (PF-04523655) will be given to all patients who participate.
- Conditions
- Choroidal Neovascularization, Diabetic Retinopathy, Diabetic Macular Edema
- Trial name
- MATISSE (NCT01445899)
- Testing
- PF-04523655 (Stratum I), ranibizumab, PF-04523655 (Stratum II)
- Where
- 51 sites in United States, Belgium and 5 more
- Volunteers
- 258 people
- Sponsor
- Quark Pharmaceuticals
Diabetic Retinopathy
RETeval Study for Diabetic Retinopathy
RETeval is a new handheld device intended to detect vision threatening diabetic retinopathy. The purpose of this study is to calibrate RETeval, and then measure its ability to detect vision threatening diabetic retinopathy.
- Trial name
- NCT01950663
- Testing
- RETeval
- Where
- 2 sites in United States
- Volunteers
- 468 people
- Sponsor
- Inoveon Corporation
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Diabetic Retinopathy, Vitreomacular Traction
Methotrexate Infusion and Intrasilicone Injection During Diabetic Vitrectomy
The goal of this interventional clinical trial is to assess anatomical and functional outcomes of methotrexate use in irrigating fluid during parsplana vitrectomy combined with intrasilicone injection at end of surgery in…
- Trial name
- NCT06038968
- Testing
- Methotrexate 25 MG/ML, parsplana vitrectomy
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Minia University
Diabetic Macular Edema, Diabetic Retinopathy
Intravitreal Ranibizumab or Aflibercept After Bevacizumab in Diabetic Macular Edema
PURPOSE: To evaluate the efficacy of switching from bevacizumab to ranibizumab (Lucentis; Genentech, South San Francisco, CA) or aflibercept (Eylea; Regeneron, Tarrytown, NY) in eyes with diabetic macular edema (DME) nonresponders…
- Trial name
- SWITCH (NCT04018833)
- Testing
- Ranibizumab 0.5 MG/0.05 ML Intraocular Solution [LUCENTIS], Aflibercept 40 MG/ML Intraocular Solution [EYLEA]
- Volunteers
- 40 people
- Sponsor
- Bernardete Pessoa MD
Type 2 Diabetes, Microvascular Function
The Effect of Pyridoxamine Supplementation on Microvascular Function in Type 2 Diabetes
Patients with type 2 diabetes have an increased risk of developing vascular complications. Microvascular dysfunction might be caused by the increased production of methylglyoxal under hyperglycaemic conditions.
- Conditions
- Type 2 Diabetes, Microvascular Function, Retinopathy, Diabetic, Nephropathy, Diabetic
- Trial name
- PYRAMID (NCT06376240)
- Testing
- Pyridoxamine 300mg per day
- Where
- Netherlands
- Volunteers
- 40 people
- Sponsor
- Maastricht University Medical Center
Vision Impairment and Blindness, Glaucoma
Developing and Testing a Model to Identify Preventive Vision Loss Among Older Patients in General Practice
In this cohort study, the investigators will test vision screenings in Danish general practice for patients over 70 years of age with minimum one chronic condition.
- Conditions
- Vision Impairment and Blindness, Glaucoma, Age-Related Macular Degeneration, Cataract
- Trial name
- DETECT (NCT07015034)
- Testing
- focus on vision impairment in older patients in general practice
- Where
- 2 sites in Denmark
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Arthritic Psoriasis, Psoriasis (PsO)
Retinal Capillary Vessel Density and Foveal Avascular Zone Size in Patients With Psoriatic Arthritis: A Case-Control Study.
In terms of blood flow per unit of tissue, the retina is one of the tissues with the highest blood flow in the body. Parameters such as the thickness of the choroid layer, which plays a crucial role in maintaining normal eye…
- Conditions
- Arthritic Psoriasis, Psoriasis (PsO), Retinal Vessels
- Trial name
- PsA-RETINA (NCT07858591)
- Testing
- OCTA-SCP, OCTA-DCP, OCTA-RPC
- Where
- Turkey (Türkiye)
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Bursa Yuksek Ihtisas Training and Research Hospital
Diabetic Retinopathy, Vitreous Hemorrhage
Use of Intravitreal Ranibizumab in the Treatment of Vitreous Hemorrhage
Primary Objective: To investigate the effectiveness of intravitreal applications of 0.5 mg Lucentis (ranibizumab) in patients with vitreous hemorrhage due to proliferative diabetic retinopathy.
- Trial name
- NCT01824043
- Testing
- intravitreal ranibizumab injections
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- Hospital Regional de São José - Dr. Homero de Miranda Gomes
Stroke
Adaptive Optics (AO) Analysis of Retinal Arteries in Patients With Recent Stroke (STROKAO)
The eye has long been recognized as a window to pathological processes occurring in the brain. By imaging the vascular system of the retina scientific understanding and clinical practice have been improved for a wide range of…
- Trial name
- STROKAO (NCT04712747)
- Testing
- Ophthalmological examinations, Blood pressure measurement at rest
- Where
- France
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Diabetic Retinopathy
Fenofibrate for Prevention of DR Worsening
This randomized trial will evaluate the effect of fenofibrate compared with placebo for prevention of diabetic retinopathy (DR) worsening through 6 years of follow-up in eyes with mild to moderately severe non-proliferative DR…
- Trial name
- Protocol AF (NCT04661358)
- Testing
- Fenofibrate
- Where
- 66 sites in United States
- Volunteers
- 563 people
- Sponsor
- Jaeb Center for Health Research
Glaucoma, Retinal Vein Occlusion
Study of the Retinal Vascularization by Laser Doppler Velocimetry Coupled With an Adaptive Optics Camera ( AO-LDV)
The difficulty to measure blood flow in humans is connected with the necessity of using not invasive, reliable and reproducible techniques.
- Trial name
- AO-LDV (NCT03525132)
- Testing
- Laser Doppler Velocimetry + Optic Adaptative Camera
- Where
- France
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- University Hospital, Grenoble
Diabetic Retinopathy
Comparing 3 Imaging Systems
The purpose of this study is to evaluate the quality of ocular images captured on 3 different cameras of patients with diabetic retinopathy.
- Trial name
- COCO (NCT05022615)
- Testing
- Topcon Camera, Optos Camera, Clarus Camera
- Where
- United States
- Volunteers
- 51 people
- Sponsor
- University of Wisconsin, Madison
Microvascular Disease, Retinal Disease
Collecting Data on Retinal Blood Blood Flow and Blood Vessel Shape/Appearance Using an Investigational Device, XyCAM CRE, and to Then Compare Those Images With Images Collected From a Patient's Routine Clinical Examination.
The primary objective of the XyCAM CRE Camera Study is to evaluate retinal blood flow, choroidal blood flow, and retinal structural features and their association with the progression and characterization of retinal diseases…
- Trial name
- NCT07641738
- Testing
- XyCAM CRE Imaging
- Where
- United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Stuart Terry Eye Associates
Choroid Disease, Carotid Stenosis
Ophthalmologic Outcomes in Patients With Carotid Artery Stenosis
The retinal vessels have been shown to reflect vascular changes inherent to systemic pathologies, even when no ocular disease is identified.
- Conditions
- Choroid Disease, Carotid Stenosis, Carotid Atherosclerosis, Retinal Disease
- Trial name
- NCT05623293
- Testing
- eye - Optcial coherence tomography
- Where
- Portugal
- Volunteers
- 40 people
- Sponsor
- Universidade do Porto
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