Clinical trials: Retina Patients
Age-Related Macular Degeneration
Alpha Lipoic Acid in Geographic Atrophy
Because of its iron-chelating and antioxidant properties, alpha lipoic acid may be a treatment for geographic atrophy (GA) secondary to age-related macular degeneration.
- Trial name
- ALA (NCT02613572)
- Testing
- alpha lipoic acid
- Where
- 5 sites in United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- University of Pennsylvania
Macular Edema, Cystoid, Vision Disorders
Intraoperative Dexamethasone Implant Improves Outcome of Cataract Surgery With Diabetic Macular Edema
This study is undertaken to determine the effect of intravitreal long acting dexamethasone implant, (Ozurdex®) in improving outcome of cataract surgery in patients with diabetic macular edema.
- Conditions
- Macular Edema, Cystoid, Vision Disorders, Diabetic Macular Edema, Cystoid Macular Edema Following Cataract Surgery
- Trial name
- NCT01546402
- Testing
- Dexamethasone Drug delivery system (Ozurdex), Cataract surgery
- Where
- India
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
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
Age Related Macular Degeneration
Effect of Oral Curcumin Supplementation in Dry Age-related Macular Degeneration (AMD) Patients
Nutrition plays an important role in preventing progression of dry age related macular degeneration (AMD), a disease of aging that leads to drusen deposits in the macula causing significant decrease in vision.
- Trial name
- NCT04590196
- Testing
- Longvida curcumin
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Chicago
Age Related Macular Degeneration
A Pilot Study to Evaluate the Role of High-dose Ranibizumab (2.0mg) in the Management of AMD in Patients With Persistent/Recurrent Macular Fluid Less Than 30 Days Following Treatment With Intravitreal Anti-VEGF Therapy (the LAST Study)
This is a single-masked study to compare intravitreally administered 0.5 mg ranibizumab to 2.0 mg ranibizumab in subjects who manifest persistent or recurrent macular fluid less than 30 days following treatment with intravitreal…
- Trial name
- LAST (NCT01115556)
- Testing
- Ranibizumab
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Vitreous -Retina- Macula Consultants of New York
Retinal Blood Flow
Measurement of Total Retinal Blood Flow and Oxygen Extraction in Patients With Diabetes and Healthy Subjects
The prevalence of diabetes and diabetes-associated complications is still increasing. Several major long-term complications of diabetes such as cardiovascular disease, chronic renal failure, diabetic retinopathy and others relate…
- Trial name
- NCT03552562
- Testing
- Fourier Domain Color Doppler Optical Coherence Tomography (FDOCT)
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Age-Related Macular Degeneration
A Pilot Study of the Safety of MC-1101 in Both Normal Volunteers and Patients With Early Dry AMD
The safety and comfort of repeated administrations of a topically-administered ophthalmic formulation of MC-1101 will be established through investigator assessments and subject reporting over a 3 day period.
- Trial name
- NCT01013376
- Testing
- MC-1101, Vehicle
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- MacuCLEAR, Inc.
Age-Related (Dry) Macular Degeneration
Ocular Proteomics Testing In Chronic Atrophy
Study to evaluate the safety of routine diagnostic anterior chamber paracentesis (ACP) for proteomic profiling in patients with geographic atrophy (GA)
- Trial name
- OPTICA (NCT07298291)
- Testing
- AC Tap (anterior chamber paracenthesis)
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- ClinOmicsAI
Age-related Macular Degeneration
Association Between Laser Interferometric Measurement of Fundus Pulsation and Pneumotonometric Measurement of Pulsatile Ocular Blood Flow in Patients With Age-related Macular Degeneration
Several methods have been proposed for the measurement of pulsatile ocular blood flow (POBF). The pneumatic tonometer, which is commercially available, assesses POBF by measurement of intraocular pressure (IOP) changes during the…
- Trial name
- NCT00991666
- Testing
- blood flow measurement
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Glaucoma, Retinal Pathology
Ability of Patients With Low Vision to Properly Instill Eye Drops
The investigators are interested in seeing how people with low vision (decreased visual acuity or restricted visual fields) instill eye drops into their own eyes.
- Trial name
- NCT00760240
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Mid-Atlantic Glaucoma Experts
Unipolar Depression
Assesment of Retinal Nerve Fiber Layer in First Episode Depressive Patients Using Selective Serotonin Reuptake Inhibitor
The aim of this study is to assess the changes in retinal nerve fiber layer due to SSRI treatment in first-attack major depressive patients.
- Trial name
- NCT04717921
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mehmet Diyaddin Güleken
Type 1 Diabetes Patients
Early Stage Retinal Abnormalities in Type 1 Diabetes, Screened With OCT Angiography.
The improvement of imaging techniques in ophthalmology has made it possible to carry out a precise non-invasive study of the retinal microvascular network and to detect early abnormalities in retinal disorders.
- Trial name
- AwARD (NCT03496597)
- Testing
- Retinal imaging assessment, blood glucose holter
- Where
- France
- Volunteers
- 520 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Dementia
Circadian Rhythm and Other Factors in Memory Clinic Patients
The CIRCAME study is a bicentric study of patients from 2 memory clinics in Paris. The main objective is to identify circadian rhythm components and other individual risk factors (sociodemographic, behavioral, and health related…
- Trial name
- CIRCAME (NCT05977712)
- Testing
- Questionnaire, Clinical examination, Accelerometer port
- Where
- 2 sites in France
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Mild Cognitive Impairment, Alzheimer Disease
Retinal Neuro-vascular Coupling in Patients With Neurodegenerative Disease
Alzheimer´s disease (AD) in one of the most important causes of dementia and poses a considerable challenge in health care. Today, criteria for the diagnosis and the follow up of patients with AD mainly rely either on subjective…
- Conditions
- Mild Cognitive Impairment, Alzheimer Disease, Healthy
- Trial name
- NCT02663531
- Testing
- DVA, FDOCT, Pattern ERG
- Where
- Austria
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Visual Impairment, Age-Related Macular Degeneration (AMD)
Prevalence and Determinants of Shoulder Girdle Musculoskeletal Complaints in Geriatric Patients With Diminished Vision
This case-control study aims to investigate the prevalence and determinants of shoulder girdle musculoskeletal complaints (pain, spasm, stiffness, range of motion impairments) in geriatric patients (aged 60+) with diminished…
- Conditions
- Visual Impairment, Age-Related Macular Degeneration (AMD), Musculoskeletal Pain, Shoulder Pain
- Trial name
- NCT07206654
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Beni-Suef University
Central Serous Chorioretinopathy (CSC)
Prospective Geometric Analysis of Ultra-Widefield OCTA Characteristics in Central Serous Chorioretinopathy Patients
By leveraging parameters including fractal dimension and topological index, we constructed a quantitative evaluation framework for ultra-widefield optical coherence tomography angiography (UWF-OCTA) images in patients with…
- Trial name
- NCT07347119
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Diabetic Retinopathy, Periodontitis
Periodontitis Severity in Patients With Diabetic Retinopathy
The aim of this observational study is to investigate the relationship between periodontal disease severity and retinal layer thickness in patients diagnosed with diabetic retinopathy (DR), using optical coherence tomography…
- Trial name
- NCT07137013
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
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
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
Hypercholesterolemia
Effect of Irbesartan on Endothelial Function of the Retinal Vasculature in Patients With Hypercholesterolemia
The retinal vasculature is morphologically and functionally related to the cerebral vessels due to its common origin from the internal carotid artery.
- Trial name
- NCT00152698
- Testing
- Irbesartan
- Where
- Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School