Clinical trials: Retinal Microcirculation Disorder
Pregnancy Induced Hypertension, Pregnancy Related
SD-OCT Measurement of the Human Retina in Pregnancy With Pre-existing or De Novo Hypertension and Without Hypertension
The complications of long-standing severe and acute severe elevations in systemic blood pressure (hypertension) may involve large vessels as well as smaller vessels, these latter comprising what is known as the microcirculation.
- Trial name
- NCT04286217
- Volunteers
- 155 people
- Sponsor
- University of Calgary
Thyroid Associated Orbitopathy
Changes in Orbital Macrovascular and Intraocular Microvascular Blood Flow After Orbital Decompression Surgery in Patients With Thyroid Eye Disease
This study aims to evaluate the effects of balanced orbital decompression surgery in patients with inactive thyroid-associated orbitopathy.
- Trial name
- BOD-VASC (NCT07393230)
- Testing
- Balanced Orbital Decompression Surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Marmara University Pendik Training and Research Hospital
Hypertension, Diabetes
Hypertension Related Damage to the Microcirculation in South Asian: Emergence, Predictive Power and Reversibility
Damage to very small blood vessels is a consequence, but can also precede high blood pressure. Such damage, measured by disturbances in the vessels in the retina (back of the eye) is a strong predictor of heart disease and…
- Conditions
- Hypertension, Diabetes, Cardiovascular Disease, Retinopathy
- Trial name
- NCT00331370
- Testing
- GP training and Health Education
- Where
- Pakistan
- Volunteers
- 2,880 people
- Sponsor
- Aga Khan University
Diabetic Retinopathy, GLP-1
Assessment of Retinal-Angio Findings In Patients With Diabetes Type II Treated With Novel Antidiabetic Therapies
ARIADNE is a prospective observational cohort study of patients with type 2 diabetes mellitus (T2DM) treated with daily metformin and scheduled to initiate treatment with newer antidiabetic agents, such as sodium-glucose…
- Conditions
- Diabetic Retinopathy, GLP-1, SGLT 2 Inhibitors, Endothelial Dysfunction
- Trial name
- ARIADNE (NCT07602348)
- Where
- Greece
- Volunteers
- 40 people
- Sponsor
- University of Athens
Myopia
Effects of 650nm Low Energy Light on Human Retina and Choroid Microcirculation
This project is a single-center, prospective, self-controlled clinical study. It intends to select patients with simple medium and low degree myopia as subjects, and apply 650nm low-energy red light irradiation to the retina to…
- Trial name
- NCT04604405
- Testing
- photobiomodulation
- Where
- China
- Volunteers
- 126 people
- Sponsor
- Central South University
Hypertension, Vascular Function
Anti-hypertensive Therapy and Exercise Treatment to Improve Vascular Health in Patients With Hypertension.
This is a prospective, monocentric, randomized controlled trial to investigate the effect of anti-hypertensive treatment and/or individualized exercise training intervention on blood pressure and vascular health.
- Conditions
- Hypertension, Vascular Function, Fitness Testing, Metabolism Changes
- Trial name
- Antitension (NCT06823570)
- Testing
- Individualized exercise therapy, Lifestyle recommendations
- Where
- Germany
- Volunteers
- 60 people
- Sponsor
- Heinrich-Heine University, Duesseldorf
Pathologic Myopia
LED Red Light in Modulating Choroidal Microcirculation to Retard Retinal Atrophy in Pathological Myopia
The goal of this clinical trial is to learn if LED repeated low-level red light (RLRL) therapy works to treat pathologic myopia in adults. It will also learn about the safety of LED-RLRL.
- Trial name
- NCT07312214
- Testing
- LED red light
- Where
- China
- Volunteers
- 158 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
OCTA, Severe Brain Injury
Effect of the Stellate Ganglion Block on the Retinal Microcirculation
Surges in the sympathetic nervous system occur at the ictus of a variety of neurological critical illnesses including intracranial hemorrhage and ischemic stroke.
- Conditions
- OCTA, Severe Brain Injury, Subarachnoid Hemorrhage, Intracerebral Hemorrhage
- Trial name
- NCT06797752
- Testing
- OCTA Scan
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Texas Southwestern Medical Center
Type 2 Diabetes Mellitus, Microangiopathy
Changes in the Retinal and Carotid Microcirculation After Restoring Normoglycemia in Patients With Type 2 Diabetes
This is a prospective and observational study in patients with type two diabetes. The study hypothesis is that chronic hyperglycemia causes an increase in the microcirculation on the carotid artery wall and retina, evaluated by…
- Conditions
- Type 2 Diabetes Mellitus, Microangiopathy, Diabetic Retinopathy, Arteriosclerosis
- Trial name
- OCTAUS-T2D (NCT03594591)
- Testing
- Antidiabetic treatment by usual care
- Where
- Spain
- Volunteers
- 20 people
- Sponsor
- Hospital Clinic of Barcelona
Sepsis, Retinal Microcirculation Disorder
Ocular Microvascular Changes in Patients With Sepsis
This study evaluates differences in the ocular microcirculation between septic patients and healthy subjects and the course of ocular microvasculature in survivors and non-survivors over a 24 hours period of time in septic…
- Conditions
- Sepsis, Retinal Microcirculation Disorder, Conjunctiva; Disorder
- Trial name
- NCT04214743
- Testing
- Incident dark field videomicroscope from Braedius, Fundus camera from Optomed
- Where
- Lithuania
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Lithuanian University of Health Sciences
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
Diabetes Type 1, Diabetic Retinopathy
Assessment of Retinal Microcirculation in Patients With Type 1 Diabetes Mellitus
Type 1 diabetes mellitus (T1DM) is associated with an increased lifetime risk of developing diabetic retinopathy, a leading cause of visual impairment among working-age adults worldwide.
- Conditions
- Diabetes Type 1, Diabetic Retinopathy, Microvascular Circulation, Retinal Microvascular Disease
- Trial name
- NCT07705321
- Testing
- Optical Coherence Tomography Angiography (OCTA)
- Where
- Greece
- Volunteers
- 100 people
- Sponsor
- University of Athens
Retinal Microcirculation Disorder
Influence of Daily Activities on Retinal Microcirculation
The daily behaviors such as drinking coffee, wine, reading, exercise and body postural changes may have influence on the function or morphology of the retinal microcirculation in healthy people.A recent study found that the…
- Trial name
- NCT03416088
- Testing
- Beverage consumption, Daily reading, Body motion
- Where
- China
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Jiannan Huang
Microvascular Complications, Diabetic Retinopathy
The Effect of the Glycemic Variability on Macular Retinal Microcirculation and Cognitive Functions in Patient With Type 1 Diabetes
Revadiab is case-control study aimed to demonstrate that retinal capillary density is altered in patients with type 1 diabetes with glycemic variability compared to those with comparable glycemic control without glycemic…
- Conditions
- Microvascular Complications, Diabetic Retinopathy, Diabetes, Microangiopathy
- Trial name
- REVADIAB (NCT03821753)
- Testing
- Case, Control
- Where
- France
- Volunteers
- 90 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris