Clinical trials: Angiogram
Aortic Valve Stenosis, Coronary Disease
Preoperative Assessment of Aortic Valve Stenosis and Coronary Artery Disease
We sought to determine whether the dual-source computed tomography assessment of aortic valve stenosis and coronary artery disease is equivalent to or even better than conventional invasive coronary angiography and transthoracic…
- Trial name
- NCT00767013
- Testing
- DSCT, TTE
- Where
- Switzerland
- Volunteers
- 65 people
- Sponsor
- Luzerner Kantonsspital
Coronary Stenosis, Cerebral Stenosis
Combined Coronary and Cerebral Angiography and Intervention for Coronary and Cerebrovascular Atherosclerosis
Intracranial atherosclerosis is common vascular lesion in Asian acute stroke patients and intracranial atherosclerosis patients have high rate of coronary artery disease (CAD).
- Trial name
- NCT02315924
- Testing
- simultaneous coronary and cerebral intervention, staged coronary and cerebral intervention
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Capital Medical University
Coronary Artery Disease
Comparison of Low-radiation Dose CT Angiography With Invasive Coronary Angiography in Stable Coronary Disease
This study is evaluating the performance of modern CT coronar angiography with low radiation technique compared to conventional invasive coronar angiography.
- Trial name
- NCT01476579
- Testing
- Cardiac Computer Tomography
- Where
- Norway
- Volunteers
- 769 people
- Sponsor
- University Hospital of North Norway
Ischemic Heart Disease
Multicenter Registry for Angiography-Derived Quantitative Flow Ratio
1. to investigate the feasibility and diagnostic performance of contrast quantitative flow ratio (QFR) for identifying the functional significance of intermediate degree stenotic lesions in all-comer patients with coronary artery…
- Trial name
- QFRRegistry (NCT03791788)
- Testing
- QFR assessment
- Where
- 5 sites in South Korea
- Volunteers
- 524 people
- Sponsor
- Samsung Medical Center
Total Knee Arthroplasty
Perfusion Assessment of Wound Closure Techniques in Primary Total Knee Arthroplasty
This study will assess which of the three most common methods of wound closure in primary total knee arthroplasty (staples, interrupted vertical mattress, or running subcuticular suture) provide the best wound vascular perfusion.
- Trial name
- NCT01924403
- Testing
- Staple Closure, Vertical Mattress Closure, Running Subcuticular Closure
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Heart Failure, Coronary Artery Disease
IMAGE-HF Project I-A: Cardiac Imaging in Ischemic Heart Failure (AIMI-HF)
Medical imaging is one of the fastest growing sectors in health care and increases in utilization underscore the need to ensure imaging technology is developed and used effectively.
- Conditions
- Heart Failure, Coronary Artery Disease, Ischemic Cardiomyopathy
- Trial name
- AIMI-HF (NCT01288560)
- Testing
- Advanced cardiac imaging, Standard Cardiac Imaging
- Where
- 20 sites in United States, Argentina and 3 more
- Volunteers
- 1,390 people
- Sponsor
- Ottawa Heart Institute Research Corporation
Myopia
Association Between Retinal Microvasculature and Optic Disc Alterations in Non-pathological High Myopia With OCTA
Non-pathological high myopia patients and controls undergoing a comprehensive ophthalmologic examination are included. The Optical Coherence Tomography Angiography (OCTA) software automatically segments these full-thickness…
- Trial name
- NCT04631991
- Testing
- Comprehensive ophthalmologic examination
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people
- Sponsor
- Akdeniz University
Atherosclerosis, Cardiovascular Diseases
Plaque Registration and Event Detection In Computed Tomography
Disruption of an atherosclerotic plaque is responsible for at least two-thirds of acute coronary syndrome. Thus, identification of plaques vulnerable to rupture has become important.
- Conditions
- Atherosclerosis, Cardiovascular Diseases, Coronary Artery Disease
- Trial name
- PREDICT (NCT00991835)
- Where
- Japan
- Volunteers
- 3,015 people
- Sponsor
- Hiroshima University
Pulmonary Embolism (Diagnosis), Pulmonary Embolism Acute
Role of n On-contrast Chest CT (NCCT) Based CT V: Q in Patients With Acute Pulmonary Embolism (aPE)
We are doing the research to see if a CT scan without the dye can help find pulmonary emboli. If you agree to join the study, you will be asked to sign this consent form before we do any research procedures.
- Trial name
- NCT07527117
- Testing
- Additional CT acquisition at low dose (1- 2 mSv)
- Where
- 2 sites in United States
- Volunteers
- 750 people
- Sponsor
- Massachusetts General Hospital
Rheumatoid Arthritis, Atherosclerotic Ischemic Disease
Coronary Computed Tomography Angiography In Rheumatoid Arthritis Study
The Coronary Computed Tomography Angiography in Rheumatoid Arthritis study is part of the multinational, prospective, observational Autoimmunity and Atherosclerosis in Rheumatic Diseases cohort (https://atacc-rd.com) that…
- Conditions
- Rheumatoid Arthritis, Atherosclerotic Ischemic Disease, Pulmonary Disease, Depressive Disorder
- Trial name
- COTIRA (NCT07363980)
- Where
- 4 sites in Denmark
- Volunteers
- 4,000 people
- Sponsor
- Ellen Margrethe Hauge
Coronary Artery Disease, OCT Angiography
Coronary Evaluation And Guided Lesion Exploration Using Photon-counting CT and Intracoronary Imaging Techniques
This study evaluates the diagnostic accuracy and limitations of photon-counting computed tomography (PCCT) in characterizing coronary plaque, with comparisons to optical coherence tomography (OCT) and intravascular ultrasound…
- Conditions
- Coronary Artery Disease, OCT Angiography, CT
- Trial name
- C-EAGLE (NCT07036770)
- Testing
- Coronary CT scan using photon-counting CT
- Where
- Belgium
- Volunteers
- 100 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Aortic Valve Stenosis, Coronary Artery Disease
Evaluation of Fractional Flow Reserve Calculated by Computed Tomography Coronary Angiography in Patients Undergoing TAVR
The objective of this study is to evaluate the relationship between fractional flow reserve (FFR) derived from coronary computed tomography angiography (FFRct) before transcatheter aortic valve replacement (TAVR) and FFR after…
- Trial name
- FORTUNA (NCT03665389)
- Testing
- iFR / FFR measurement
- Volunteers
- 25 people
- Sponsor
- Kobe University
Coronary Arterial Disease (CAD), Acute Coronary Syndromes (ACS)
Non-Invasive Follow-Up of Patients With Coronary Artery Disease Treated With Drug-Coated Balloon PCI Using CT-Derived Fractional Flow Reserve
This study investigates changes in coronary artery anatomy and physiology after treatment with a paclitaxel drug-coated balloon (DCB) during percutaneous coronary intervention (PCI).
- Conditions
- Coronary Arterial Disease (CAD), Acute Coronary Syndromes (ACS), Stable Coronary Artery Disease Undergoing PCI
- Trial name
- RECORD-CT-FFR (NCT07811960)
- Volunteers
- 150 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Procedural Related Injuries and Complications Nec, Patient Satisfaction
Radial Versus Femoral Arterial Access for Cerebral Angiography in Adolescents
This study will compare radial vs femoral access for angiography in adolescents. Neuroangiography and neurointerventions are predominantly performed via femoral access, which has several limitations and complications - pain and…
- Trial name
- NCT04604340
- Testing
- transradial access for neuroangiography, transfemoral access for neuroangiography
- Where
- Canada
- Volunteers
- 12 people
- Sponsor
- The Hospital for Sick Children
Pregnancy
HexafluOride, a Contrast Agent for Placenta Echo-angiography
The purpose of this study is to quantify the placental perfusion during the first trimester of pregnancy by 3D Doppler ultrasound angiography without a contrast agent and by ultrasound with a contrast agent: SonoVue®
- Trial name
- HOPE (NCT02884297)
- Testing
- Contrast agent: SonoVue®.
- Where
- 2 sites in France
- Volunteers
- 55 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Coronary Artery Disease
xSPECT-based Myocardial Perfusion Scintigraphy: Consistency of Functional Values and Feasibility of Myocardial Uptake Quantitation in Patients With Suspected Coronary Artery Disease
This study is to evaluate the feasibility of myocardial Standardized Uptake Volume (SUV) assessment by means of X- (Single photon emission tomography) SPECT/Computed tomography (CT), to assess normal reference value under rest…
- Trial name
- xSPECT MPI (NCT04583787)
- Testing
- 99mTc-sestamibi myocardial perfusion SPECT, 82Rb-Chloride myocardial perfusion PET with CCTA
- Where
- Switzerland
- Volunteers
- 52 people
- Sponsor
- University Hospital, Basel, Switzerland
Intracranial Atherosclerotic Disease (ICAD), Intracranial Arterial Stenosis
Photon-counting CT for Intracranial Stent Assessment
Intracranial atherosclerotic disease is an important cause of ischemic stroke, and intracranial stent implantation is increasingly used for patients with severe stenotic lesions.
- Conditions
- Intracranial Atherosclerotic Disease (ICAD), Intracranial Arterial Stenosis, Stent Restenosis, Ischemic Stroke
- Trial name
- NCT07769814
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Xin Lou
Breast Cancer, Breast Reconstruction
The Use of Laser-Assisted Indocyanine Green Dye Angiography to Predict Mastectomy Skin Flap Viability
In the investigators previous study of 51 breast reconstructions (32 patients), we compared three different assessments of vascular perfusion of tissue; clinical judgment, fluorescein dye angiography (FDA) and laser-assisted…
- Conditions
- Breast Cancer, Breast Reconstruction, Mastectomy
- Trial name
- ICG (NCT01554267)
- Testing
- Laser-Assisted ICG Dye Angiography (SPY System)
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Stony Brook University
Intracerebral Haemorrhage, Stroke
STOP-AUST: The Spot Sign and Tranexamic Acid On Preventing ICH Growth - AUStralasia Trial
The aim of the study is to test if intracerebral haemorrhage (ICH) patients who have contrast extravasation on computed tomography angiography, the "spot sign", have lower rates of haematoma growth when treated with tranexamic…
- Trial name
- STOP-AUST (NCT01702636)
- Testing
- Tranexamic Acid
- Where
- 11 sites in Australia, Finland
- Volunteers
- 100 people
- Sponsor
- Neuroscience Trials Australia
Acute Pulmonary Embolism
Clinical Scores, Biomarkers, and CT Findings in Acute Pulmonary Embolism
This study aims to compare clinical scoring systems, laboratory biomarkers, and computed tomography (CT) findings in patients diagnosed with acute pulmonary embolism in different hospital departments.
- Trial name
- PEST (NCT07566858)
- Testing
- No Intervention (Observational Study Data Collection)
- Volunteers
- 50 people
- Sponsor
- Sohag University
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