Clinical trials: CT Angiography
Chronic Coronary Syndrome, Coronary Artery Disease
Feasibility of a Deep Learning-based Algorithm for Non-invasive Assessment of Vulnerable Coronary Plaque
The primary objective of this study is to assess the accuracy in terms of sensitivity, specificity, negative and positive predicted values of the DL-based algorithm with respect to correct identification of the plaque and…
- Conditions
- Chronic Coronary Syndrome, Coronary Artery Disease, Stable Angina, Acute Coronary Syndrome
- Trial name
- FOCUS DL (NCT06186336)
- Testing
- Deep Learning-based Vulnerable Plaque Detection and Assessment Tool
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- GE Healthcare
Coronary Disease
Prospective Randomized Trial On RadiaTion Dose Estimates Of CT AngIOgraphy In PatieNts Scanned With A Sequential Scan Protocol
The objective of this study is to compare radiation dose of a standard spiral scan with the a new sequential scan protocol. We hypothesize that the sequential scan protocol is associated with a reduction in dose estimates of at…
- Trial name
- PROTECTION-III (NCT00612092)
- Testing
- Spiral image acquisition, sequential image acquisition
- Where
- Germany
- Volunteers
- 400 people
- Sponsor
- Deutsches Herzzentrum Muenchen
Complications Due to Coronary Artery Bypass Graft, Graft Failure
Patency-Coronary Trial
Heart bypass surgery is used to increase blood flow to the heart. This surgery is usually done using a heart-lung machine (on-pump surgery) allowing the surgeon to perform the procedure on a still heart.
- Trial name
- PATENCY (NCT01414049)
- Testing
- On-pump CABG, Off-pump CABG
- Where
- 3 sites in Canada
- Volunteers
- 1,200 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Coronary Artery Disease
A Low-dose Radiation and Contrast Agent Exposure Protocol for Coronary CTA in Diabetic Patients
To assess diagnostic accuracy,image quality and renal safety of a double low-dose coronary CTA protocol at coronary artery evaluation in patients with diabetes by using invasive coronary angiography(ICA) as the reference method…
- Trial name
- NCT04342455
- Testing
- double-low scanning
- Where
- China
- Volunteers
- 400 people
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Aneurysmal Subarachnoid Hemorrhage
Clazosentan in Preventing the Occurrence of Cerebral Vasospasm Following an Aneurysmal Subarachnoid Hemorrhage (aSAH)
The purpose of the study is to measure how effective and safe three different doses of the drug clazosentan are in preventing vasospasm after subarachnoid hemorrhage.
- Trial name
- CONSCIOUS-1 (NCT00111085)
- Testing
- Clazosentan 1 mg/h, Clazosentan 5 mg/h, Clazosentan 15 mg/h
- Where
- 16 sites in United States, Canada
- Volunteers
- 413 people
- Sponsor
- Idorsia Pharmaceuticals Ltd.
Pulmonary Thromboembolism
Ultrasonography of Chest Versus Pulmonary Artery CT Angiography in Patients With Symptoms and Signs in Favor of PTE
In this study the investigators compare the diagnostic validity of Bedside Ultrasonography of chest and Pulmonary artery CT Angiography in the patients who came to Emergency Department of Alzahra General Hospital from 1 may 2012…
- Trial name
- NCT01558206
- Testing
- Pulmonary artery CT Angiography, Emergency Bedside Ultrasonography of chest
- Where
- Iran
- Volunteers
- 76 people
- Sponsor
- Isfahan University of Medical Sciences
Coronary Artery Disease
Stress CT Perfusion in Patients With Chest Pain
Our hypothesis is that quantitative 3D analysis of cardiac CT images obtained during vasodilator stress can accurately identify patients presenting at the emergency department with acute chest pain due to underlying…
- Trial name
- NCT01969916
- Testing
- Regadenoson
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- University of Chicago
Lung Diseases, Pulmonary Embolism
Magnetic Resonance Diagnosis of Pulmonary Embolism
The purpose of this study is to evaluate the diagnostic accuracy of thoracic magnetic resonance imaging with gadolinium-enhanced, unenhanced and perfusion sequences in patients with clinically suspected acute pulmonary embolism…
- Trial name
- IRM-EP (NCT01077778)
- Testing
- Gadolinium-enhanced Magnetic Resonance Imaging
- Where
- France
- Volunteers
- 300 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Homozygous Familial Hypercholesterolemia (HoFH), Coronary Computed Tomography Angiography
Assessing the Impact of Intensification of Lipid Lowering Therapy With Guidelines-based Evinacumab Administration on Coronary Plaque Volumes Measured by Coronary Computed Tomography Angiography (CCTA) in Patients With Homozygous Familial Hypercholesterolemia (HoFH)
This observational, multicenter, retrospective and prospective study aims to evaluate the impact of intensified lipid-lowering therapy including Evinacumab on coronary atherosclerotic plaque burden in patients with Homozygous…
- Trial name
- EVOLVE-HoFH (NCT07447648)
- Where
- 13 sites in France, Italy and 2 more
- Volunteers
- 52 people
- Sponsor
- Fondazione SISA (Societa Italiana per lo Studio della Arteriosclerosi)
Venous Thromboembolism (VTE), Chronic Thromboembolic Pulmonary Hypertension
Pulmonary Embolism Registry From Short-Term Emergency to Long-Term Follow-Up and Surveillance
PERSEUS is an academic, investigator-initiated, multicenter observational registry of adults with acute pulmonary embolism (PE), promoted by Azienda Ospedaliero-Universitaria Careggi (Florence, Italy).
- Conditions
- Venous Thromboembolism (VTE), Chronic Thromboembolic Pulmonary Hypertension, Right Ventricular Dysfunction, Pulmonary Embolism (PE)
- Trial name
- PERSEUS (NCT07855679)
- Testing
- Routine clinical care (no study intervention)
- Where
- 16 sites in Italy, Poland and 1 more
- Volunteers
- 5,000 people
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
Coronary Stenosis, Hemodynamics
Diagnostic Accuracy of CCTA-derived Versus AngiogRaphy-dErived QuantitativE Flow Ratio (CAREER) Study
To perform CT-QFR, invasive coronary angiography, FFR, and QFR tests on patients with moderate coronary stenosis after coronary CTA examination.
- Conditions
- Coronary Stenosis, Hemodynamics, Coronary Artery Disease, Coronary Computed Tomography Angiography
- Trial name
- CAREER (NCT04665817)
- Testing
- CT-QFR, QFR, FFR
- Where
- China
- Volunteers
- 216 people
- Sponsor
- Fudan University
Coronary Artery Disease
Comparison of Cardiac Imaging Techniques for Diagnosing Coronary Artery Disease
A large number of cardiac catheterizations are performed each year, primarily to diagnose heart disease. However, a cardiac catheterization is an invasive procedure which is associated with serious complications such as heart…
- Trial name
- PACIFIC (NCT01521468)
- Where
- Netherlands
- Volunteers
- 210 people
- Sponsor
- Amsterdam UMC, location VUmc
Coronary Artery Disease
Coronary CT Angiography Evaluation for Clinical Outcomes: An International Multicenter Registry
The overall objective of CONFIRM2 is to perform the largest cardiovascular phenotype outcomes study ever.
- Trial name
- CONFIRM2 (NCT04279496)
- Where
- United States
- Volunteers
- 15,000 people
- Sponsor
- Cleerly, Inc.
Heart Valve Diseases, Coronary Artery Disease
coRonary assEssment of Preoperative vaLvulopathy pAtients Using ComputEd Tomographic Angiography (REPLACE)
Preoperative detection of combined coronary artery disease by invasive coronary angiography (ICA) is recommended in American Heart Association (AHA)/American College of Cardiology (ACC) guidelines for most patients (>40 yrs male…
- Trial name
- REPLACE (NCT02632617)
- Testing
- Computed tomographic angiography
- Where
- 5 sites in China
- Volunteers
- 2,644 people
- Sponsor
- Chinese Academy of Medical Sciences, Fuwai Hospital
Coronary Artery Disease (CAD) (E.G., Angina, Myocardial Infarction, and Atherosclerotic Heart Disease (ASHD))
Diagnostic Accuracy Of Seismocardiography for Coronary Artery Disease
This study aims to evaluate a new, non-invasive method for detecting coronary artery disease (CAD) using seismocardiography (SCG) and gyrocardiography (GCG).
- Trial name
- HF-CAD (NCT06880120)
- Testing
- Seismocardiography (SCG) and Gyrocardiography (GCG) Diagnostic Testing
- Where
- Uzbekistan
- Volunteers
- 1,534 people, healthy volunteers welcome
- Sponsor
- Heart Force Medical Inc.
Acute Coronary Syndrome, Chest Pain
Database of Patients Undergoing Cardiac Computed Tomographic Angiography at William Beaumont Hospital (CT DATABASE)
The purpose of the study is to establish an overarching database of information containing historical, demographical, clinical, and intermediate and long-term outcome data from all William Beaumont Hospital (WBH) patients…
- Trial name
- CTDATABASE (NCT00922662)
- Where
- United States
- Volunteers
- 10,000 people
- Sponsor
- Kavitha Chinnaiyan
Chronic Musculoskeletal Disease, Transarterial Embolization
The Combined Utility of Angio-CT and MRI in Managing Chronic Musculoskeletal Pain: a Prospective Study to Evaluate the Efficacy of Transarterial Microembolization
Transarterial microembolization (TAME) is a novel treatment option for chronic musculoskeletal pain, especially suitable for patients who have not responded to conservative treatment or are unsuitable for surgical procedures.
- Conditions
- Chronic Musculoskeletal Disease, Transarterial Embolization, Magnetic Resonance Imaging, Angiography
- Trial name
- NCT06509087
- Testing
- Transarterial microembolization (TAME)
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tri-Service General Hospital (TSGH)
Cardiac Congenital Defects
Coronary Arteries Anomalies by CT in Children With CHD
Delineate coronary artery anatomy and detection of coronary anomalies in children with complex cardiac anomalies by cardiac CT-angiography before total surgical correction.
- Trial name
- NCT06381128
- Testing
- Cardiac CT
- Volunteers
- 100 people
- Sponsor
- Assiut University
Coronary Artery Disease
Polygenic Risk-based Detection of Subclinical Coronary Atherosclerosis and Change in Cardiovascular Health
The goal of this randomized controlled trial is to assess the impact of disclosing a high polygenic risk result for coronary artery disease on change in cardiovascular health over one year.
- Trial name
- PROACT 1 (NCT05819814)
- Testing
- Disclosure of high polygenic risk result for coronary artery disease
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Massachusetts General Hospital