Clinical trials: Angiogram
Pituitary Adenoma
Long-term Follow up for Retinal Vascular Changes After Endoscopic Endonasal Pituitary Surgery.
This study investigates the retinal vascular features, using optical coherence tomography angiography, in patients during one year's follow up after the endoscopic endonasal surgery to remove an intra-suprasellar pituitary…
- Trial name
- NCT04546386
- Testing
- Endoscopic endonasal pituitary surgery
- Where
- Italy
- Volunteers
- 14 people
- Sponsor
- Federico II University
Peripheral Artery Occlusion, Hemostasis
Comparison Study of Compression Devices Used in Transradial Coronary Angiography
The transradial route is used in 90% of the coronary angiograms performed at Oslo University Hospital (OUS), Ullevål. A compression device needs to be applied after the procedure to achieve hemostasis.
- Conditions
- Peripheral Artery Occlusion, Hemostasis, Injury of Radial Artery
- Trial name
- NCT02583854
- Testing
- RY-STOP hemostasis device, TR-Band, Terumo
- Where
- Norway
- Volunteers
- 499 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Retinopathy of Prematurity
Imaging Retinal Vasculature in Infant Eyes
Retinopathy of prematurity is a leading cause of childhood blindness worldwide. The fovea, a critical location in the retina determining visual acuity and visual function, and the blood vessels around it, are abnormally developed…
- Trial name
- NCT05558059
- Testing
- Handheld Optical Coherence Tomography with OCT Angiography
- Where
- 2 sites in United States
- Volunteers
- 16 people
- Sponsor
- Duke University
Intracranial Atherosclerosis ICAS, Hemodynamic
Digital Angiography-Derived Fractional Flow Assessment for Intracranial Stenosis
The goal of this observational study is to learn whether a digital angiography derived fractional flow reserve (DPR) measurement can improve the prediction of stroke risk in adults with symptomatic intracranial atherosclerotic…
- Conditions
- Intracranial Atherosclerosis ICAS, Hemodynamic, Stroke
- Trial name
- CASSISS-DPR (NCT07309705)
- Testing
- Standardized medical therapy targeting vascular risk factors and stroke prevention
- Where
- China
- Volunteers
- 400 people
- Sponsor
- Xuanwu Hospital, Beijing
Ischemic Heart Disease, Atherosclerosis
Micro-RNA Profile in Patients With Different Stages of Atherosclerosis According to CTA
The main purpose of this single-center study is to determine the spectrum and levels of cardiospecific circulating microRNAs in patients with different stages of atherosclerosis according to 640-slice multispiral computed…
- Trial name
- CT-CA-miRNA (NCT03855891)
- Testing
- blood test
- Where
- Russia
- Volunteers
- 81 people
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Atherosclerosis
Comparison of Magnetic Resonance Angiography and Standard Angiography in Diagnosing Atherosclerosis
This study will evaluate ways to improve magnetic resonance angiography (MRA) for diagnosing atherosclerosis (hardening and narrowing of the arteries).
- Trial name
- NCT00001946
- Testing
- Magnetic resonance angiography
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Coronary Artery Disease, Hypercholesterolemia
A Trial Assessing the Effectiveness of Evolocumab in Reducing the Plaque Burden in Participants With Subclinical Atheroma
The main aim of this trial is to demonstrate that Evolocumab plus routine lipid management is superior to routine lipid management alone in modifying plaque (non-calcified) volume as measured by Artificial Intelligence-enabled…
- Conditions
- Coronary Artery Disease, Hypercholesterolemia, Atheroma, Atherosclerotic Plaque
- Trial name
- NCT07803679
- Testing
- Evolocumab, Routine Lipid Management, Autoinjector
- Volunteers
- 308 people
- Sponsor
- Amgen
Coronary Artery Anomaly, Congenital
Observational Study for Feasibility and Performance of Sub-millisievert Coronary Computed Tomography Angiography (CCTA) for Coronary Artery Anomalies (CAA) in Paediatric Patients
Congenital heart defects are the most frequent manifestation of congenital diseases (8 per 1000 live births). Imaging modalities play an increasing role in their diagnosis, follow-up, and pre/post-surgery check-up.
- Trial name
- COROPEDIA (NCT03194763)
- Testing
- coronary angiography
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University Hospital, Montpellier
Coronary Arterial Disease (CAD)
Association Between Peri-procedural Myocardial Injury and Quantitative Blood Flow Ratio
to apply angiography-based quantitative blood flow ratio to quantify the severity of the stenosed coronary artery prior to percutaneous coronary intervention, and monitor per-procedural myocardial injury based on the troponin…
- Trial name
- NCT07110298
- Where
- China
- Volunteers
- 200 people
- Sponsor
- The First Affiliated Hospital of Xiamen University
Vascular Closure
Patient Comfort With Vascular Closure
The purpose of this research study is to collect information on the amount of discomfort patients experience with one of two different vascular blood vessel closure devices, the MynxM5 Vascular Closure Device and the Angio-Seal…
- Trial name
- NCT00998023
- Testing
- Mynx Vascular Closure Device, AngioSeal Vascular Closure Device
- Where
- United States
- Volunteers
- 64 people
- Sponsor
- University of Florida
Central Serous Chorioretinopathy, Tomography, Optical Coherence
Effects of OCTA-guided PDT in Acute CSC
OCTA-guided PDT is as safe and effective as ICGA-guided PDT in the treatment of acute central serous chorioretinopathy. Or OCTA-guided PDT is more effective than ICGA-guided PDT in the treatment of acute central serous…
- Trial name
- NCT03497000
- Testing
- OCTA-guided Photodynamic therapy, ICGA-guided Photodynamic therapy
- Where
- China
- Volunteers
- 23 people
- Sponsor
- Peking University People's Hospital
Pulmonary Embolism
Ga68 V/Q PET/CT for Pulmonary Embolism Diagnosis: a Diagnostic Accuracy Study vs CT Pulmonary Angiography
This study evaluates the diagnostic accuracy (sensitivity, specificity) of V/Q PET/CT for the diagnosis of pulmonary embolism (PE), using CT pulmonary angiography as a reference standard.
- Trial name
- PETEP (NCT04179539)
- Testing
- V/Q PET/CT, CTPA
- Where
- France
- Volunteers
- 100 people
- Sponsor
- University Hospital, Brest
Anomaly Heart, Turner Syndrome
Role of Cardiac AngioMR in Diagnosis of Cardiac and Vascular Anomalies in Adult Patients with Turner Syndrome
Considering the high prevalence of cardiovascular disease in Turner syndrome patients, noninvasive cardiac imaging is crucial for diagnosis and follow-up.
- Trial name
- NCT06178887
- Testing
- imaging
- Where
- Italy
- Volunteers
- 33 people
- Sponsor
- Azienda Ospedaliero-Universitaria di Modena
Renal Artery Stenosis
Prevalence of Renal Artery Stenosis in Patients Referred for Cardiac Catheterization
All patients referred for coronary angiography will simultaneously be evaluated for renal artery stenosis and then stenosis more than 50% will be analyzed according to clinical conditions, risk factors and lab data.
- Trial name
- RAS (NCT00885768)
- Testing
- angiography
- Where
- Iran
- Volunteers
- 146 people
- Sponsor
- Imam Khomeini Hospital
Coronary Artery Disease, Coronary Atheroscleroses
Risk Evaluation by COronary Imaging and Artificial intelliGence Based fuNctIonal analyZing tEchniques - III
This is a single-center, prospective cohort study. This study is designed to accurately analyze coronary artery plaque characteristics and local hemodynamic parameters in patients diagnosed with chronic coronary syndrome (CCS) or…
- Conditions
- Coronary Artery Disease, Coronary Atheroscleroses, Acute Coronary Syndromes (ACS)
- Trial name
- RECOGNIZE-III (NCT06793774)
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Ruijin Hospital
Coronary Angiography, Transcatheter Aortic Valve Replacement
Coronary Access After Supra-Annular THV Implantation
To determine the optimal technique and equipment for selective coronary engagement specifically following Evolut THV implantation using commissural alignment.
- Trial name
- CAN-ACCESS (NCT05075590)
- Testing
- Coronary Angiography
- Where
- 4 sites in United States, Canada
- Volunteers
- 50 people
- Sponsor
- University of British Columbia
Colon Cancer, Benign Colon Diseases
Evaluation of Microcirculation in Colon Wall and Bowel Anastomosis by Laser Induced Fluorescence Video Angiography
The aim of the study is to describe utility of dynamic fluorescence videoangiography of indocyanine green (ICG) in gastrointestinal surgery, for evaluation of microcirculation in colon wall and anastomosis before and after…
- Trial name
- NCT01419860
- Testing
- Elective colon resection
- Where
- Norway
- Volunteers
- 4 people
- Sponsor
- Ostfold Hospital Trust
Retinal Vascular
Retinal Microvasculature Before and After Silicone Oil by OCTA
Prospective study to assess the retinal microvasculature, optic nerve head vasculature and retinal sensitivity using OCTA and microperimetry before and after silicone oil removal.
- Trial name
- NCT04928196
- Testing
- Microperimtery and optical coherence tomography angiography OCTA
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Coronary Artery Disease
Safety and Efficacy Study of PB127 Ultrasound Contrast Agent for Diagnosis of Coronary Artery Disease
The purpose of this study is to determine if the use of PB127 with cardiac ultrasound assists in the diagnosis or exclusion of coronary artery disease.
- Trial name
- POINT II (NCT00584896)
- Testing
- PB127 for Injectable Suspension
- Where
- 40 sites in United States
- Volunteers
- 1,000 people
- Sponsor
- Point Biomedical
Coronary Disease
Prospective Randomized Trial On RadiaTion Dose Estimates Of CT AngIOgraphy In PatieNts Scanned With A 100kV Protocol
The objective of this study is to compare radiation dose of a 100kV scan protocol to the standard 120kV scan protocol. We hypothesize that the 100kV scan protocol is associated with a reduction in dose estimates of at least 20%…
- Trial name
- PROTECTION-II (NCT00611780)
- Testing
- tube voltage
- Where
- Germany
- Volunteers
- 400 people
- Sponsor
- Deutsches Herzzentrum Muenchen
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