Clinical trials: Diabetic Retinopathy, completed
Healthy Adult, Diabetic Retinopathy, DR
The Effect of Different Auditory Types on Visual Evoked Potentials (VEP)
To investigate the effect of different sound types on pattern visual evoked potential (VEP) responses among healthy adults
- Trial name
- NCT07850245
- Where
- Saudi Arabia
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- King Saud University
Type 1 Diabetes Mellitus
Endothelial Dysfunction and Diabetes
The aim of the study is to progress in the understanding of the early retinal vascular and neural abnormalities in patients with diabetes, using a new device, the Dynamic Vessel Analyzer.
- Trial name
- DENDI (NCT01097551)
- Testing
- Trinitrin, Neosynephrine 10% collyrium, Iontophoresis with acetylcholine delivery
- Where
- France
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Diabetes Mellitus, Type 1, Insulin
The Relationship Between Stage of Diabetic Retinopathy and Retinal Blood Flow in Patients With IDDM During Euglycemic Clamp
Impaired retinal blood flow has been implicated in the pathogenesis of diabetic retinopathy. Patel et al. (1992) showed that retinal blood flow increases with the level of diabetic retinopathy. Grunwald et al.
- Conditions
- Diabetes Mellitus, Type 1, Insulin, Retina, Regional Blood Flow
- Trial name
- NCT00814008
- Testing
- Insulin, Glucose
- Where
- Austria
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Diabetic Retinopathy, Dyslipidemia
Dyslipidemia and Diabetic Retinopathy
The purpose of this study is to determine if the reparative cells of blood vessels called endothelial progenitor cells(EPC) are defective in people with diabetes.
- Trial name
- D&D (NCT03403283)
- Testing
- 15 subjects with Non Proliferative Diabetic Retinopathy(mild, moderate and severe). 15 subjects with Proliferative Diabetic Retinopathy, Healthy Controls 15 age matched control subjects
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Diabetic Retinopathy, Glaucoma
Evaluation of The Performance of Retinow AI Software
Eye diseases are a major public health problem worldwide and one of the main causes of vision loss. Diseases such as diabetic retinopathy, glaucoma and macular degeneration in particular can lead to serious vision loss and…
- Conditions
- Diabetic Retinopathy, Glaucoma, Macular Degeneration
- Trial name
- NCT06645964
- Where
- Turkey (Türkiye)
- Volunteers
- 915 people, healthy volunteers welcome
- Sponsor
- Retinow Health Technologies and R&D Industry Joint Stock Company
Age-related Macular Degeneration, Diabetic Macular Edema
Observational Study of Vision Improvement in Patients With Retinal Disorders
The purpose of this study is to assess the vision improvement achieved by patients with retinal disorders who received corneal treatments by a low vision aid device.
- Trial name
- NCT04693702
- Testing
- Corneal treatment by a low vision aid device
- Where
- Canada
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Optimal Acuity Corporation
Diabetic Retinopathy, Neurodegeneration
Retinal Neurodegenerative and Vascular Changes in Diabetic Patients
Using Optical Coherence Tomography and ImageJ software the investigators will analyze retinal and choroidal vascular changes and their impact on retinal layers among patients with diabetes without retinopathy and patients with…
- Trial name
- NCT04637217
- Testing
- Optical Coherence Tomography
- Where
- Romania
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Iuliu Hatieganu University of Medicine and Pharmacy
Posterior Vitreous Detachment, Diabetic Retinopathy
Annular Array Ultrasound in Ophthalmology
The objective of this research is to improve the care of ocular disease and disorders, in particular the changes in the eye associated with diabetes, by providing clinicians with dramatically improved ultrasonic images of the…
- Trial name
- NCT01415037
- Testing
- annular array ultrasound exam
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Columbia University
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
Intravitreal Injection, Ocular Rinse
The Effect of Ocular Rinse Volume on Surface Irritation After Intravitreal Injections
This is the first randomized controlled trial looking into post-injection rinse volume of standard ophthalmic eyewash and its affect on patient comfort up to 72 hours after injections.
- Conditions
- Intravitreal Injection, Ocular Rinse, Age-Related Macular Degeneration, Diabetic Macular Edema
- Trial name
- NCT05615805
- Testing
- OSDI questionnaire, SPEEDII questionnaire
- Where
- United States
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
Diabetic Retinopathy
Combined Antioxidant Therapy on Oxidative Stress, Mitochondrial Dysfunction Markers in Diabetic Retinopathy
The present study aims to support previous research on antioxidant therapy effects in diabetic retinopathy outcome. The investigators intend to assess 180 patients with diabetic retinopathy in different stages (moderate, severe…
- Trial name
- NCT03702374
- Testing
- Combined antioxidant therapy
- Where
- Mexico
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- University of Guadalajara
Diabetes, Retinopathy
Feasibility of an Intervention to Increase Diabetic Retinopathy Screening Attendance
The purpose of this study is to test a way to support practices to improve attendance at retinopathy screening among people with diabetes.
- Trial name
- NCT03901898
- Testing
- Training, audit, and reminders, Intervention after 6 months (wait list)
- Where
- Ireland
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University College Cork
Healthy Subjects, Diabetic Retinopathy
Comparison of Retinal Oxygenation and Retinal Vessel Diameters in Healthy Subjects and Patients With Diabetic Retinopathy or Retinal Vein Occlusion Between DVA and Oxymap
To date two different instruments are commercially available to measure retinal oxygen saturation and retinal vessel diameters: Dynamic Vessel Analyzer (DVA) and Oxymap.
- Conditions
- Healthy Subjects, Diabetic Retinopathy, Retinal Vein Occlusion
- Trial name
- DVA-Oxymap (NCT02521116)
- Testing
- Dynamic Vessel Analyzer, Oxymap T1
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Macular Edema
Use of Diagnostic Dye to Identify Areas of Leakeage,in the Retina, Prior to Receiving Focal Laser Treatment
The use of Indocyanine green diagnostic dye will identify areas of vascular leakage which will provide more effective laser treatment by targeting these specific areas.
- Trial name
- NCT01792141
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Retina Institute of Hawaii
Diabetic Retinopathy, Type 2 Diabetes Mellitus
The Relationship Between Advanced Glycation Endproducts and Diabetes
The overall purpose of this COMIRB application is to perform a cross-sectional pilot study to aid in the design of a prospective epidemiologic study for an NIH grant application.
- Trial name
- NCT02662010
- Where
- United States
- Volunteers
- 157 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Diabetic Retinopathy, DR
Epivascular Glia Regression and Macular Pigment Restoration After Faricimab in Diabetic Retinopathy
The aim of the study is to evaluate in diabetic patients affected by diabetic retinopathy epivascular glia regression and macular pigment restoration after faricimab injection in diabetic retinopathy in a 1 year follow up
- Trial name
- GLIA-MAC (NCT07526857)
- Testing
- Faricimab Injection [Vabysmo], Aflibercept (2.0 mg)
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Federico II University
Diabetic Macular Edema, Macular Edema, Cystoid
Effect of Intravitreal Long Acting Dexamethasone Implant, Ozurdex in Patients With Diabetic Macular Edema
This study is undertaken to determine the effect of intravitreal long acting dexamethasone implant,(Ozurdex®)in patients with diabetic macular edema.Diabetic macular edema is important cause of visual impairment in patients with…
- Conditions
- Diabetic Macular Edema, Macular Edema, Cystoid, Vision Disorders, Clinically Significant Macular Edema
- Trial name
- NCT01698749
- Testing
- long acting intravitreal dexamethasone implant
- Where
- India
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Diabetes
The Effect of Dopamine on Diabetic Retinopathy
The purpose of this study is to evaluate the use of electroretinogram (ERG) using a novel handheld system, RETeval, and evaluate contrast sensitivity testing in detecting pre-clinical retinopathy on a tablet device.
- Trial name
- Dopamine DR (NCT02706977)
- Testing
- Low Dose Sinemet CR, High Dose Sinemet CR, RETeval Electroretinogram (ERG) Testing
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Emory University
Glaucoma, Diabetic Retinopathy
Providing Financial Incentives to Improve Adherence to Referral Eye Care Visits
Glaucoma is a blinding eye disease increasingly common in older adults, particularly in African Americans, and often diagnosed late in the disease course.
- Conditions
- Glaucoma, Diabetic Retinopathy, Refractive Errors, Cataract
- Trial name
- AL-SIGHT (NCT04328207)
- Testing
- No Financial Incentive, Financial Incentive
- Where
- United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Glaucoma, Age-Related Macular Degeneration
Detecting Eye Diseases Via Hybrid Deep Learning Algorithms From Fundus Images
Eye health is of great importance for quality of life. Some eye diseases can progress and cause permanent damage up to vision loss if they are not treated early.
- Conditions
- Glaucoma, Age-Related Macular Degeneration, Retinal Vein Occlusion, Diabetic Retinopathy
- Trial name
- NCT06213896
- Testing
- Mydriatic Agent, Color Fundus Photography, EyeCheckup v2.0
- Where
- Turkey (Türkiye)
- Volunteers
- 1,528 people, healthy volunteers welcome
- Sponsor
- Ural Telekomunikasyon Sanayi Ticaret Anonim Sirketi