Clinical trials: OCT Angiography
Preeclampsia (PE), Hypertension ,Pregnancy
Retinal and Choroidal Microcirculation in Preeclampsia: An OCTA Study
Preeclampsia is a multisystemic and multifactorial disorder that complicates pregnancy and is characterized by new-onset hypertension after the 20th week of gestation accompanied by proteinuria or systemic findings such as renal…
- Conditions
- Preeclampsia (PE), Hypertension ,Pregnancy, Retinal Microvascular Changes, Hypertensive Disorders of Pregnancy
- Trial name
- PE-OCTA (NCT07874191)
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Muğla Sıtkı Koçman University
Choroid, Retina
Effect of Different Intensities of Repeated Low-Level Red-Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensities of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05747742
- Testing
- RLRL device
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Retinopathy of Prematurity
Retinal Microanatomy in Retinopathy of Prematurity (BabySTEPS2)
Retinopathy of prematurity (ROP) is a disorder of development of the neural retina and its vasculature that can impact vision in vulnerable preterm neonates for a lifetime.
- Trial name
- BabySTEPS2 (NCT04995341)
- Testing
- Investigational ultracompact OCT and OCTA system, retinal photographs
- Where
- 2 sites in United States
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Duke University
Retinal Vein Occlusion, Vascular Occlusive Disease
Intravitreal Aflibercept for Macular Edema Due to Central Retinal Vein Occlusion
Central retinal vein occlusion (CRVO) is a common retinal vascular disorder, occurring when there is a blockage to the main blood vessel that transports blood away from the retina.
- Trial name
- INTRAMED-CRVO (NCT06416241)
- Testing
- EYLEA 2 MG in 0.05 ML Injection
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Athens
Open Angle Glaucoma
Correlation Between Optical Coherence Tomography Angiography and Photopic Negative Response in Patients With Glaucoma
Open angle glaucoma (OAG) is considered a common cause of irreversible vision loss worldwide. It is an optic neuropathy associated with progressive loss and degeneration of the retinal ganglion cell layer (RGC) and its axons…
- Trial name
- NCT05104294
- Testing
- Optical Coherence Tomography- Angiography, Photopic negative response
- Where
- Egypt
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Benha University
Diabetic Macular Edema
OCT-angiography in Diabetic Patients
Around the world there is an increasing incidence of diabetes mellitus, with millions of people affected. In this population, diabetic macular edema (DME) is the most common cause of visual impairment.
- Trial name
- NCT02870803
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Retina Clinic, Sao Paulo, Brazil
Diabetic Retinopathy
OCT Biomarkers for Diabetic Retinopathy
Diabetic retinopathy (DR) is caused by changes in the blood vessels of the retina associated with long-term Type 1 or Type 2 diabetes mellitus. DR is a leading cause of blindness in the United States.
- Trial name
- NCT02330042
- Where
- United States
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Optical Coherence Tomography, Optical Coherence Tomography Angiography
Normative Database of Healthy Subject Vascular Density Using Spectralis Heidelberg® Optical Coherence Tomography Angiography
Optical coherence tomography angiography (OCT-A) is a determinant progress to study retinal and choroidal vasculature without using a dye injection.
- Trial name
- COPENBASE (NCT06043622)
- Testing
- Optical coherence tomography angiography, ophthalmological exam
- Where
- France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Retinal Vascular
Physiologic Changes of Posterior Ocular Segment During the Menstrual Cycle
Changes of luteinizing hormone (LH), estrogen and progesterone during the menstrual cycle influence the ocular physiology in both anterior and posterior segments.
- Trial name
- NCT04731207
- Testing
- Optovue®
- Where
- Thailand
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
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
Octa, Stroke
Optical Coherence Tomography Angiography in Neurological Disease
Optical Coherence Tomography Angiography (OCTA) is a non-invasive tool that images the neurovascular structures of the eye by using near-infrared light.
- Conditions
- Octa, Stroke, Subarachnoid Hemorrhage, Intracerebral Hemorrhage
- Trial name
- NCT06797765
- Testing
- OCTA
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
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
SLE (Systemic Lupus)
Posterior Segment Evaluation of Patients With SLE Using OCT and OCTA
Aim of The Study To evaluate different structural retinal changes using OCT and OCT-A in patients with SLE ; newly diagnosed patients and patients on treatment and compare parameters with normal subjects
- Trial name
- NCT04866615
- Testing
- Optvue OCT
- Where
- Egypt
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Minia University
Optical Coherence Tomography, Dual Antiplatelet Therapy
OCT or Angiography Guided De-escalation of DAPT
Optical coherence tomography (OCT) offers a high-resolution intravascular imaging modality to accurately assess vessel and lumen geometry and identify the hallmark of a culprit lesion including plaque disruption and thrombus.
- Conditions
- Optical Coherence Tomography, Dual Antiplatelet Therapy, Antiplatelet De-escalation, Neointimal Coverage
- Trial name
- NCT06339021
- Testing
- OCT-guided PCI, Conventional angiography-based PCI, DAPT de-escalation
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Shenyang Northern Hospital
Diabetic Retinopathy, Myopia
OCTA Metrics Repeatability and Reproducibility in Different Disorders
Retinal imaging is a corner stone in diagnosis of most retinal disorders. Standard imaging techniques e.g. fluorescein angiography and color fundus photography have a lot of limitations including limited resolution, invasive…
- Conditions
- Diabetic Retinopathy, Myopia, Choroidal Neovascularization, Healthy
- Trial name
- NCT04488887
- Testing
- Optical coherence tomography angiography
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Tanta University
Retinal Vascular
Retinal Microvasculature Before and After Silicone Oil by OCTA
Prospective study to assess the retinal microvasculature, optic nerve head vasculature and retinal sensitivity using OCTA and microperimetry before and after silicone oil removal.
- Trial name
- NCT04928196
- Testing
- Microperimtery and optical coherence tomography angiography OCTA
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Optical Coherence Tomography, Optical Coherence Tomography Angiography
Relationship Between Alzheimer Disease and Diminution of the Three Macular Nervous Retinal Layers
Alzheimer disease is hard, long and expensive to diagnose. In order to help the clinician, a new biomarker in Alzheimer disease seems to be very useful.
- Conditions
- Optical Coherence Tomography, Optical Coherence Tomography Angiography, Retinal Thickening, Alzheimer Disease
- Trial name
- RETEVAL (NCT04794634)
- Testing
- Optical coherence tomography (OCT), Optical coherence tomograpohy angiography (OCTA)
- Where
- France
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Alzheimer Disease, Dementia
OCT Angiography and NRAI in Dementia
The primary goals of this study are to use optical coherence tomography (OCT) angiography (blood vessel mapping) to: 1. Detect retinal blood vessel and blood flow changes in participants with dementia. 2.
- Conditions
- Alzheimer Disease, Dementia, Mild Cognitive Impairment
- Trial name
- NCT03761381
- Testing
- Optical Coherence Tomography Angiography (OCTA) Imaging, Noninvasive Retinal Amyloid Imaging (NRAI)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Optic Radiation Neuropathy Following Radiotherapy Procedure
Optical Coherence Tomography Angiography Characteristics of Radiation Optic Neuropathy
Aim: To develop a suitable radiation optic neuropathy (RON) diagnostic model based on optical coherence tomography angiography (OCTA) and to reveal the correlation between endocrine and OCTA indexes in nasopharyngeal carcinoma…
- Trial name
- NCT05895851
- Testing
- head and neck radiation
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Amnesia, Alzheimer Disease
OCT-Angiography and Adaptive Optics in Patients With Memory Impairment
Studies suggest an association between retinal abnormalities and NCD (Neuro Cognitive Disorders) whether they are linked to proven or prodromal Alzheimer's disease (aMCI : amnestic mild cognitive impairment), or to other…
- Conditions
- Amnesia, Alzheimer Disease, Lewy Body Disease, Parkinsons Disease With Dementia
- Trial name
- OCTAVO (NCT04389437)
- Testing
- Ophthalmological exam, Blood pressure measurement
- Where
- France
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild