Clinical trials: Angiography
Cardiovascular Diseases, Hypertrophic Cardiomyopathy (HCM)
AI-enabled Screening and Diagnosis of Cardiomyopathies Using Coronary CTA
The goal of this observational and diagnostic study is to develop and validate an artificial intelligence assisted approach for coronary computer tomography angiography-(CCTA)-based screening and diagnosis of cardiomyopathies in…
- Conditions
- Cardiovascular Diseases, Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Restrictive Cardiomyopathy
- Trial name
- Atlantis (NCT06748261)
- Testing
- CCTAI model
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Retinopathy of Prematurity, Diabetic Retinopathy
Optical Coherence Tomography Angiography (OCT-A) in Children (≥ 6 <14 Years of Age)
Comparison of OCTA to conventional imaging modalities for the diagnosis of eye diseases in children
- Trial name
- OCTAC (NCT03399825)
- Testing
- OCT-A
- Volunteers
- healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
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
Circumscribed Choroidal Haemangioma, Optical Coherence Tomography Angiography
Quantitative Evaluation of Parafoveal Microvasculature Changes in Eyes With Exudative Circumscribed Choroidal Haemangioma: An Optical Coherence Tomography Angiography Study
The study aims to quantitative evaluation of parafoveal microvasculature changes in eyes with exudative circumscribed choroidal haemangioma using optical coherence tomography angiography.
- Conditions
- Circumscribed Choroidal Haemangioma, Optical Coherence Tomography Angiography, Macular
- Trial name
- NCT04449900
- Testing
- This is observational study with the examination of OCTA
- Where
- China
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Central Serous Chorioretinopathy
Optical Coherence Tomography Angiography (OCT-A) and Central Serous Chorioretinopathy (CSC)
Optical Coherence Tomography Angiography (OCT-A) is a noninvasive imaging technique that allows one to see blood vessels in the retina.
- Trial name
- OPACITY (NCT03950089)
- Testing
- Optical Coherence Tomography Angiography (OCT-A)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Pulsatile Tinnitus
The Recurrence Mechanism of Venous Tinnitus After Boney Wall Reconstruction Based on Multimodal Imaging and Multiphysics Coupling
Venous tinnitus (VT) is seriously affecting the quality of life of five million patients in China. Bony wall reconstruction is the main treatment method, but the postoperative recurrence rate exceeds 30%, and the specific…
- Trial name
- NCT05856175
- Where
- China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Congenital Heart Disease, Cardiac Catheterization
CHAIN_brazilian Registry of Congenital HeArt Disease INtervention and Angiography
Design: Observational - Cross study with followed up for 30 days. The Primary Objective is to realize a record that reflects a national overview of the role of cardiac catheterization in patients with congenital heart disease in…
- Conditions
- Congenital Heart Disease, Cardiac Catheterization, Brazilian Electronic Registration, Catheterization Diagnostic or Therapeutic
- Trial name
- CHAIN (NCT02074527)
- Where
- Brazil
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Hospital do Coracao
Pterygium
ICG Angiography in Amniotic Membrane Graft and Conjunctival Autograft After Pterygium Excision
To evaluate graft vascularization and compare the vascularization patterns of conjunctival autografts with amniotic membrane grafts to better understand the factors involved in pterygium recurrence.
- Trial name
- NCT00383825
- Testing
- Anterior segment indocyanine green angiography
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Baskent University
Carbon Dioxide, Endovascular Abdominal Aortic Aneurym Repair
Prospective, Non-Randomized Evaluation of Carbon Dioxide Gas as a Contrast Agent in Comparison With Iodinated Contrast in Endovascular Aneurysm Repair
Endovascular repair of infrarenal abdominal aortic aneurysms (AAA) requires a contrast agent to identify the vascular anatomy and placement of the stent graft.
- Conditions
- Carbon Dioxide, Endovascular Abdominal Aortic Aneurym Repair, Prospective, Angiogram
- Trial name
- NCT00520416
- Testing
- Carbon dioxide angiogram
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Southern California
Conjunctivitis, Glaucoma
Feasibility Study and Preliminary Application Study on Iris OCTA
All participants will underwent imaging using the OCTA system (Zeiss) with the anterior segment optical adaptor lens. The main outcomes are iris blood flow density and vascular density.
- Conditions
- Conjunctivitis, Glaucoma, Myopia, Diabetic Retinopathy
- Trial name
- NCT03631108
- Testing
- OCTA (ZEISS)
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Diabetic Retinopathy
Analysis of FAZ in Diabetic Retinopathy Using OCT Angiography
Study and assessment of characteristic changes in foveal avascular zone during different stages of diabetic retinopathy using OCTA.
- Trial name
- NCT05140304
- Testing
- OCT angiography
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Kareem Mohammad Ali
Diabetic Retinopathy
Prevention of Onset and Transition to an Advanced Form of Diabetic Retinopathy in Children
The primary goal of the project is to create a normative database from data collected from a healthy pediatric population. A secondary aim is to compare normative data with data from pediatric patients with pre-existing type 1…
- Trial name
- NCT05615740
- Testing
- Optical coherence tomography (OCTA)
- Where
- Czechia
- Volunteers
- 187 people, healthy volunteers welcome
- Sponsor
- University Hospital Ostrava
Diabetic Retinopathy
Evaluation System and Clinical Application for Diabetic Retinopathy
Diabetic retinopathy(DR) is one of the most common and serious microvascular complications of diabetes,which is the primary cause of vision loss of diabetic patients.
- Trial name
- NCT03528720
- Where
- China
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- Guangdong Provincial People's Hospital
Multiple Sclerosis
Measuring Blood Vessel Density in the Optic Nerve of Multiple Sclerosis Patients With OCTA
The goal of this observational study is to learn about the effect of multiple sclerosis on the blood flow of the optic nerve of affected patients compared to normal subjects by OCTA. The main question it aims to answer is: 1.
- Trial name
- NCT07629804
- Testing
- Optical Coherence Tomography Angiography
- Where
- Egypt
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Fayoum University
Diabetic Retinopathy
Vascular Remodeling and the Effects of Angiogenic Inhibition in Diabetic Retinopathy
The retinal vasculature changes dramatically in patients with diabetic retinopathy especially between non-proliferative and proliferative disease. The retinal vasculature can be imaged and quantified using special dyes.
- Trial name
- NCT00411333
- Testing
- triamcinolone acetonide (Kenalog)
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Myopic Choroidal Neovascularisation
OCTA Changes in Choroidal Neovascularization in High Myopia
To Analyze the Ability of Optical Coherence Tomography Angiography ( OCT-A ) to detect the presence of myopic Choroidal Neovascularization and to describe the structural features of Myopic CNV..
- Trial name
- NCT06357559
- Testing
- OCTA
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Abdominal Aortic Aneurysm
Carbon Dioxide Guided Angiography in Endovascular Abdominal Aortic Aneurysm Repair
Endovascular aneurysm repair (EVAR) has lower short-term morbidity and mortality than open surgery. Intra-arterial contrast agents are an important component of successful EVAR as the tool of choice for preoperative evaluation of…
- Trial name
- NCT04444999
- Testing
- Carbon Dioxide Angiography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Coronary Artery Disease
Myovista iECG for Detecting Ischemic Heart Disease: Comparison With Computed Tomography Coronary Angiography
Study evaluates the new technique MyoVista™ iECG sensitivity and ability to predict myocardial diseases, comparing iECG results with Computed Tomography Coronary Angiography findings
- Trial name
- NCT01562730
- Where
- Switzerland
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Cardiocentro Ticino
Lower Gastrointestinal Bleeding
MSCT Angiography in Bleeding
Lower gastrointestinal bleeding occurs distal to the ligament of treitz and may involve the small bowel, colon and rectum . Active lower gastrointestinal bleeding is a common, potentially life threatening medical presentation…
- Trial name
- NCT03464513
- Testing
- Multislice CT Angiography
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Assiut University
Cataract, Diabetic Retinopathy
Diabetic Retinopathy and OCT-A Changes Post-cataract Surgery
The purpose of this study is to use optical coherence tomography angiography (OCT-A) to compare retinal vasculature after uncomplicated cataract surgery in patients with and without diabetic retinopathy.
- Conditions
- Cataract, Diabetic Retinopathy, Macular Edema Due to Diabetes Mellitus
- Trial name
- NCT04660006
- Testing
- Cataract surgery
- Where
- Canada
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists