Clinical trials: Retinal Diseases
Pediatric Disorder, Vitamin D Deficiency
Retinal Changes in Vitamin D Deficiency
Retinal tissue parameters of pediatric patients with vitamin D deficiency will be evaluated in this prospective case-control study. The patients will be divided into 2 groups according to the vitamin D level.
- Conditions
- Pediatric Disorder, Vitamin D Deficiency, Retinal Disease, Choroidal Disease
- Trial name
- VDD (NCT04891211)
- Testing
- Vitamin D deficiency
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Adiyaman University
Glaucoma Eye, Macular Degeneration
Retinal Oxygenation Estimation Trial With Mantis Photonics Hyperspectral Camera
An explorative study of the Mantis Photonics hyperspectral camera for retinal imaging and estimation of retinal oxygenation. Primary objective: To evaluate the performance of the hyperspectral camera for non-invasive retinal…
- Conditions
- Glaucoma Eye, Macular Degeneration, Macula Abnormality, Retinal Detachment
- Trial name
- NCT05566626
- Testing
- Hyperspectral retinal image, Mydriacyl Ophthalmic Product
- Where
- Sweden
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Mantis Photonics AB
Lactation
Dietary Lutein and the Retinopathy of Prematurity
The clinical trial aspect of this study is the provision of a lutein supplement to lactating women and compare the amount of lutein in the milk and blood with lactating women who do not receive the lutein supplement.
- Trial name
- NCT00672230
- Testing
- Lutein supplement
- Where
- United States
- Volunteers
- 212 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
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
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
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.
Gestational Diabetes, Eye Diseases
Fundus Findings and Thiol-Disulfide Homeostais
Gestational diabetes mellitus is associated with abnormal blood sugar levels throughout pregnancy in women without prior diabetes. Many studies have been conducted on the relationship between diabetes and oxidative stress.
- Conditions
- Gestational Diabetes, Eye Diseases, Retinal Disease, Oxidative Stress
- Trial name
- NCT05958927
- Testing
- tear test and eye measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Suzan Dogruya
Retinal Detachment
Proof of Concept - Digital Electro-optical Surgical Platform as Replacement for Operational Microscopes
Evaluate the use of Elbit's digital electro-optical systems for generating detailed high quality video imaging during surgery, and thus improving the surgeon's visualization, performance and outcome.
- Trial name
- NCT02715388
- Testing
- GlasScope Surgical Microscope
- Where
- Israel
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Elbit Systems LTD
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
Age Related Macular Degeneration
A Snapshot Adaptive Optics and Hyperspectral Autofluorescence Fundus Camera for Age-Related Macular Degeneration (AMD)
This study proposes to use a new instrument (AO-OCT/AF: adaptive optics - optical coherence tomography/autofluorescence) combined with a data processing method to image the retinal pigment epithelium (RPE) of the eye in normal…
- Trial name
- NCT03963817
- Testing
- adaptive optics AO-OCT/AF instrument
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Multiple Sclerosis, Alzheimer Disease
Optical Coherence Tomography in Neurological Practice: Utility and Applicability Across Neurological Diseases (OCt.IN.N)
OCt.IN.N is a national, monocentric, prospective, observational cohort study evaluating the utility and applicability of Optical Coherence Tomography (OCT) in the diagnostic workup and longitudinal monitoring of neurological…
- Conditions
- Multiple Sclerosis, Alzheimer Disease, Parkinson Disease, Migraine
- Trial name
- OCT (NCT07720765)
- Testing
- Optical Coherence Tomography (OCT) - Heidelberg SPECTRALIS HRA+OCT
- Where
- Italy
- Volunteers
- 1,050 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Myopia, Maculopathy
Optical Coherence Tomography Imaging of the Posterior Segment in High Myopia.
The prevalence of myopia in East Asia and Singapore in particular is amongst the highest in the world, with estimates ranging from 30-70% of the general population. Up to 30% of these are high myopes.
- Conditions
- Myopia, Maculopathy, Glaucoma
- Trial name
- NCT00347451
- Where
- Singapore
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
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
Myopia, Myopia; Refractive Error
Peripheral Relative Refractive Power of Orthokeratology Lenses
Orthokeratology (OK) has been demonstrated to be an effective intervention for slowing axial elongation in children with myopia.
- Trial name
- NCT07294404
- Testing
- orthokeratology
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
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