Clinical trials: Microvascular Changes
Patients Undergoing Open Resection of Colorectal Tumours
Vascular Changes During Colorectal Surgery
The purpose of this study is to investigate whether increases in the blood flow from the heart (the cardiac output), induced by the administration of intravenous fluids, lead to an increase in the blood flow to the vital organs…
- Trial name
- MaMiFlo (NCT02136277)
- Testing
- Hartmann's solution
- Where
- United Kingdom
- Volunteers
- 32 people
- Sponsor
- University of Nottingham
Amblyopia
OCT-A and Amblyopia
Detect changes in retinal vessel density in the superficial and deep capillary plexuses using OCTA in children with anisometropic amblyopia
- Trial name
- NCT05223153
- Testing
- Optical Coherence tomography angiography
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Minia University
Retinal Vascular, Retinal Disease
Perifoveal Vascular Network Assessed by OCT-Angiography in Type I Diabetes Mellitus
This study is directed to evaluate the role of Optical Coherence Tomography Angiography (OCT-A) in the evaluation of the perifoveal vascular network in type 1 diabetic patients, and to investigate the relationship between…
- Conditions
- Retinal Vascular, Retinal Disease, Retinal Ischemia, Retinal Ischaemia Due to Type 1 Diabetes Mellitus
- Trial name
- NCT03422965
- Testing
- Optical Coherence Tomography Angiography, Blood test, Urine test
- Where
- 2 sites in Spain
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Hospital Clinic of Barcelona
Open Angle Glaucoma
OCTA in Patients With Primary Open-angle Glaucoma
Is to investigate retinal microvascular changes in primary open angle glaucoma patients using Optical Coherence Tomography Angiography.
- Trial name
- NCT06214676
- Testing
- OCT angiography
- Volunteers
- 30 people
- Sponsor
- Assiut University
Microcirculation
The Effect of Photobiomodulation on Microvascular Blood Flow: The Role of Wavelength and Skin Temperature
The objective of this study is to assess peripheral microcirculatory hemodynamic responses to photobiomodulation in participants with normal circulation and with functional peripheral vasoconstriction, using noninvasive…
- Trial name
- PBM&MBF01 (NCT07338695)
- Testing
- Photobiomodulation - Blue Wavelength, Photobiomodulation - Near Infrared
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Afeka, The Tel-Aviv Academic College of Engineering
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
Type 1 Diabetes, Diabetic Retinopathy
Microvascular Changes in OCT-angiography in Type 1 Diabetes Mellitus at the Onset of the Disease and After Optimization of Glycemic Control.
The objective of the study is to evaluate the differences in the retinal microcirculation measured by OCT-Angiography in patients with type 1 diabetes between the diagnosis of the disease and after 3 months of insulin treatment.
- Trial name
- NCT04888598
- Testing
- Optical Coherence Tomography (OCT) Angiography
- Where
- 2 sites in Spain
- Volunteers
- 20 people
- Sponsor
- Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
STEMI - ST Elevation Myocardial Infarction
Comparative Evaluation of Sustained meChanical AsPiration Thrombectomy and no Thrombus Modification for Pre-stent Thrombus bUrden Reduction in Patients With Acute Myocardial Infarction Study: the CAPTURE AMI Study
The CAPTURE AMI trial is an investigator-initiated, single-centre, two-arm, randomised controlled trial. Patients aged ≥ 18 years who present with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous…
- Trial name
- CAPTURE AMI (NCT07687576)
- Testing
- Sustained thrombectomy, Percutaneous Coronary Intervention
- Where
- United Kingdom
- Volunteers
- 60 people
- Sponsor
- Oxford University Hospitals NHS Trust
Hyaluronic Acid
The Role and Mechanism of O-GlcNAc Glycosylation Modified HAS2 in the Hyaluronic Acid Synthesis in ARDS
Maintaining the normal function of the pulmonary microvascular barrier is critical for ARDS treatment. To assess the relationship between the HAS2 protein level, HA content and the clinical prognosis of ARDS in patients with…
- Trial name
- NCT05055557
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Southeast University, China
Diabetic Nepheopathy
Role of Renal Duplex Resistive Index (RRI) and Pulsatility Index (PI) in Assessment of Early Renal Microvascular Changes in Diabetic Patient
Diabetes mellitus (DM) is a globally prevalent metabolic disorder with an escalating burden on renal health. Diabetic kidney disease (DKD) represents the leading cause of end-stage renal disease (ESRD) worldwide, affecting…
- Trial name
- NCT07864740
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Assiut University
Diabetic Retinopathy
Assessment of Retinal Microvascular Changes by OCT Angiography in Diabetic Retinopathy
This observational cross-sectional study aims to assess retinal microvascular changes using optical coherence tomography angiography (OCTA) in patients with diabetic retinopathy.
- Trial name
- NCT07747428
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Sohag University
Heart Failure With Preserved Ejection Fraction (HFPEF)
The Effect of Adiposity on Muscle and Microvascular Function in HFpEF
This project is an observational study in patients with heart failure with preserved ejection fraction (HFpEF) who are candidates for treatment with weight loss medication to manage obesity or diabetes as part of their standard…
- Trial name
- NCT06930495
- Testing
- Weight loss SOC Treatment with second generation anti-diabetic medications
- Where
- United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Diabetes Mellitus
Vascular Reactivity in Metabolic Syndrome and Diabetic Patients Using Diffuse Optical Spectroscopy
Metabolic Syndrome is a highly prevalent condition that is comprised of several major clustering factors that increase the risk for developing cardiovascular disease.
- Trial name
- NCT00793481
- Testing
- Diffuse Optical Spectroscopy
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of California, Irvine
Myocardial Infarction, ST-Elevation Myocardial Infarction (STEMI)
Intracoronary Hypothermia as a Prevention of Reperfusion Injury in Myocardial Infarction.
Acute myocardial infarction with ST segment elevation is often accompanied by a totally occluded coronary artery. Which has deleterious effects on heart muscle.
- Conditions
- Myocardial Infarction, ST-Elevation Myocardial Infarction (STEMI), Reperfusion Injury, Microvascular Occlusion
- Trial name
- NCT06567249
- Testing
- Intracoronary hypothermia, Standard percutaneous coronary intervention
- Where
- Russia
- Volunteers
- 60 people
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
Circulatory; Change
Evaluating A Non-Invasive Tissue Perfusion Monitor
The Pedra perfusion system will be used to assess changes in perfusion in response to physiological stimuli. It will be compared to other standard diagnostics.
- Trial name
- NCT04630704
- Testing
- Pedra
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Pedra Technology, PTE LTD
Myopia, Progressive, Choroid Disease
Choroidal Change on OCTA in Eyes With High Myopia
Myopia is a global healthy concern, especially the high myopia and pathological myopia among Asian populations. However, its mechanism still remains largely unclear.
- Trial name
- NCT04255524
- Testing
- Optic coherence tomography angiography (OCTA)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Type 2 Diabetes Mellitus, Diabetic Retinopathy (DR)
Glycemic Velocity and Early Retinal Microvascular Change With GLP-1RA Versus SGLT2i Initiation in Type 2 Diabetes (GLIDE)
The GLIDE study looks at how the small blood vessels of the eye respond during the first months of a new diabetes medicine. Two widely used classes of glucose-lowering drugs, GLP-1 receptor agonists and SGLT2 inhibitors, are…
- Trial name
- GLIDE (NCT07723820)
- Testing
- GLP-1 Receptor Agonists, SGLT2 inhibitor
- Where
- Thailand
- Volunteers
- 126 people
- Sponsor
- Thammasat University Hospital
Pregnancy Induced Hypertension
Optical Coherence Tomography Angiography Compared to Maternal Doppler in Screening for Hypertension in Pregnancy
Pregnancy related hypertension is one of the most prevalent obstetric complications. The aim of the study is to evaluate the validity and sensitivity of OCT angiography in prediction of pregnancy induced hypertensive disorders in…
- Trial name
- NCT05330949
- Testing
- Optical coherence Tomography Angiography, Uterine artry doppler
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Minia University
Ischemic Stroke
Characterization of Retinal Microvascular and FAZ Changes in Ischemic Stroke and Its Different Types
The study aimed to access the microvascular changes in the superficial capillary plexus (SCP) and deep capillary plexus (DCP) in patients with ischemic stroke and its different types using optical coherence tomography angiography.
- Trial name
- NCT05243849
- Testing
- Optical Coherence Tomography Angiography
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
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