Clinical trials: Artery Stenosis
Coronary Artery Disease, Bypass Graft Stenosis
Impact of Cholesterol Level on Long-term Coronary Bypass Graft Patency
This single-centre cross-sectional study aims to ascertain the impact of dyslipidemia on long-term graft patency after coronary artery bypass grafting (CABG).
- Conditions
- Coronary Artery Disease, Bypass Graft Stenosis, Dyslipidemias, Bypass Graft Occlusion
- Trial name
- NCT05393882
- Testing
- Computed tomography coronary angiogram
- Where
- Hong Kong
- Sponsor
- Chinese University of Hong Kong
Coronary Artery Disease, Left Main Coronary Artery Stenosis
Concordance Between FFR and iFR for the Assessment of Intermediate Lesions in the Left Main Coronary Artery. A Prospective Validation of a Default Value for iFR
The assessment of Left Main Coronary Artery (LMCA) lesions by means of coronary angiography renders serious limitations. Studies with a limited number of patients have shown that a value of FFR (Fractional Flow Reserve) above…
- Conditions
- Coronary Artery Disease, Left Main Coronary Artery Stenosis, Left Main Coronary Artery Disease, Restenosis, Coronary
- Trial name
- iLITRO (NCT03767621)
- Testing
- Indication of revascularization
- Where
- 38 sites in Spain
- Volunteers
- 300 people
- Sponsor
- Fundación EPIC
Myocardial Bridge of Coronary Artery, Myocardial Bridge
Myocardialbridge Bypass Graft Surgery Efficacy Verification
Myocardial Bridge Bypass Graft surgery is introduced to relieve the unmedical symptoms of patients with long-segment or deep myocardial bridge, clinical outcomes will be collected to verify the effectiveness of the surgery.
- Conditions
- Myocardial Bridge of Coronary Artery, Myocardial Bridge, Myocardial Bridging, Myocardial Infarction
- Trial name
- NCT06857838
- Testing
- MBBG, MB CABG, MB unroof
- Where
- China
- Volunteers
- 500 people
- Sponsor
- Xi'an International Medical Center Hospital
Radiation-induced Carotid Artery Stenosis
Carotid Revascularization for Radiation Induced Carotid Artery Stenosis
Cervical radiotherapy (RT) has greatly reduced the mortality of patients with malignant head and neck tumors, which, however, causes a higher risk of carotid artery stenosis, namely, radiation-induced carotid artery stenosis…
- Trial name
- CRICS (NCT05134246)
- Testing
- Carotid endarterectomy (CEA), Carotid artery stenting (CAS)
- Where
- 2 sites in China
- Volunteers
- 150 people
- Sponsor
- Xuanwu Hospital, Beijing
Acute Myocardial Infarction, Coronary Artery Disease
Use of Intra-aortic Balloon Pump Before Surgery for Acute Myocardial Infarction
The optimal timing of surgery in patients with acute myocardial infarction (AMI) and the utilization of preoperative intra-aortic balloon pumps (IABP) in these patients are subjects of ongoing discussion and disagreement.
- Conditions
- Acute Myocardial Infarction, Coronary Artery Disease, Coronary Bypass Graft Stenosis of Autologous Vessel, Troponin
- Trial name
- NCT06468982
- Testing
- Intra-aortic Balloon Pump
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 156 people
- Sponsor
- Ataturk University
Coronary Artery Disease, Coronary Artery Stenosis
Vessel Imaging Using Optical Coherence Tomography for Plaque Morphology and Vessel Fractional Flow Reserve
The aim of this prospective, investigator-initiated study is to evaluate the diagnostic accuracy and correlations between mopphometric indices: luminal and qualitative parameters assessed by optical coherence tomography (OCT)…
- Conditions
- Coronary Artery Disease, Coronary Artery Stenosis, Tomography, Optical Coherence, 3D-angio-based FFR
- Trial name
- VISION-FFR (NCT06844942)
- Testing
- vessel Fractional Flow Reserve
- Where
- Poland
- Volunteers
- 200 people
- Sponsor
- Medical University of Warsaw
Coronary Artery Disease, Coronary Artery Stenosis
Relation Between AI-QCA and Cardiac PET
The aim of the study is to evaluate the clinical implications of artificial Intelligence (AI)-assisted quantitative coronary angiography (QCA) and positron emission tomography (PET)-derived myocardial blood flow in clinically…
- Trial name
- AI-CARPET (NCT06397820)
- Testing
- Percutaneous coronary intervention (PCI)
- Where
- South Korea
- Volunteers
- 168 people
- Sponsor
- Chonnam National University Hospital
Coronary Artery Disease, Coronary Stenosis
FUnctional diagnoSIs of corONary Stenosis (FUSION)
The purpose of the FUSION study is to validate the diagnostic performance of Virtual Flow Reserve (VFR) by comparing it against a reference standard, fractional flow reserve (FFR).
- Trial name
- FUSION (NCT04356027)
- Testing
- ICA (Invasive Coronary Angiography), OCT, FFR
- Where
- 28 sites in United States
- Volunteers
- 312 people
- Sponsor
- Abbott Medical Devices
Ischemic Heart Disease, Non STEMI
Coronary Computed Tomography Versus Invasive Angiography for Non-ST Elevation Acute Coronary Syndrome
Coronary computed tomography angiography (CCTA) is a widely accepted initial diagnostic test for individuals suspected of having chronic coronary syndromes.
- Conditions
- Ischemic Heart Disease, Non STEMI, Angina Pectoris, Unstable, Coronary Disease
- Trial name
- TRACTION (NCT06101862)
- Testing
- CCTA, Conventional ICA, Team-based interventional triage
- Where
- 6 sites in Denmark
- Volunteers
- 2,300 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
LAD (Left Anterior Descending) Coronary Artery Stenosis
Reconstruction of Diffusely Diseased Left Anterior Descending with Left Internal Mammary Artery On-lay Patch or Saphenous Vein Patch Without Endarterectomy by Opening the Whole Wall of the Diseased Segment(s) Has Less Risk and Fewer Complications Compared to Endarterectomy Technique
The objective of this study is to compare different surgical strategies for management of severely diseased LAD artery during CABG i.e. LIMA on-lay patch vs.
- Trial name
- NCT06835114
- Testing
- CABG, LIMA on lay patch, Safenous vein patch
- Volunteers
- 90 people
- Sponsor
- Assiut University
Vertebral Artery Stenosis
Vertebral Artery Origin Treatment Via Endovascular Techniques Registry (VOTER)
A retrospective and prospective registry of patients admitted for stroke and evidence of Vertebral Artery Origin Stenosis (VAOS).
- Trial name
- VOTER (NCT03999983)
- Testing
- Observational Prospective Registry
- Where
- 10 sites in United States
- Volunteers
- 150 people
- Sponsor
- St. Louis University
Carotid Artery Stenosis
Progression Assessment of Carotid Artery Stenosis by Ultrafast Ultrasound Flow Imaging
Rationale: Approximately 15-20% of strokes originates from an atherosclerotic plaque rupture in the carotid artery. To reduce the risk of stroke, patients should be evaluated for possible carotid endarterectomy (CEA), which is…
- Trial name
- CAS-PRO (NCT05270005)
- Testing
- Ultrasound-based flow imaging, Ultrasound-based strain imaging, Conventional duplex
- Where
- 2 sites in Netherlands
- Volunteers
- 85 people
- Sponsor
- Rijnstate Hospital
Carotid Artery Stenosis, Cerebral Small Vessel Diseases
Revascularization Effect on CSVD Burden in Carotid Artery Stenosis
RECAS is a prospective cohort of 1,000 patients with carotid artery stenosis (CAS) and undergoing revascularization therapy or standard medication treatment alone.
- Trial name
- RECAS (NCT06031610)
- Testing
- carotid artery stenting, drug therapy
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Zhejiang Provincial People's Hospital
Renal Artery Stenosis
Identification and Treatment of Renal Stenosis in Transplanted Kidneys
Renal artery stenosis is a complication that may follow kidney transplantation1-5. Renal artery stenosis greater than 50% of the lumen of the artery, associated with clinical symptoms or laboratory worsening of renal function…
- Trial name
- TRAS (NCT06822205)
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna
Carotid Artery Diseases, Neurocognitive Dysfunction
Assessing Neurocognition After Cerebrovascular Intervention
Decreased blood flow to the brain can cause decreased cognitive function. Carotid disease can result in decreased blood flow to the brain.
- Trial name
- NCT03344276
- Testing
- Neurocognitive Assessments, Measurements of inflammatory biomarkers, Carotid Artery Stenting
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of California, San Diego
Mitral Valve Insufficiency, Coronary Stenosis
Impact of Mitral Regurgitation on Coronary Haemodynamics and Instantaneous Effect of Transcatheter Mitral Valve Repair
In the present study, the investigators aim to use the in-vivo Transcatheter Mitral Valve Repair (TMVR) model to determine how Mitral Regurgitation (MR) affects coronary hemodynamics in patients affected with severe MR and…
- Conditions
- Mitral Valve Insufficiency, Coronary Stenosis, Mitral Regurgitation, Coronary Artery Disease
- Trial name
- MitraFLOW (NCT04245956)
- Testing
- Measure of hemodynamic indices in a stenosed coronary artery using a pressure wire
- Where
- Switzerland
- Volunteers
- 1 people
- Sponsor
- University Hospital, Geneva
Carotid Artery Stenosis, Glioma
Detection of Microplastics and Nanoplastics in Neurosurgery Patients (DT-MiNi)
Plastic particles are a ubiquitous pollutant in the living environment and food chain, so far, plenty of studies have reported the internal exposure of microplastics and nanoplastics in human tissues and enclosed body fluids.
- Conditions
- Carotid Artery Stenosis, Glioma, Intracranial Aneurysm, Intracranial Hemorrhages
- Trial name
- DT-MiNi (NCT05968053)
- Testing
- biological samples analysis
- Where
- China
- Volunteers
- 500 people
- Sponsor
- Beijing Tiantan Hospital
Head and Neck Cancer, Carotid Artery Stenosis
Carotid Ultrasound to Identify Head and Neck Cancer Survivors With High Cardiovascular Risk After Radiation Therapy
The purpose of this research study is to understand how radiation therapy may affect blood vessels in the neck called the carotid arteries.
- Conditions
- Head and Neck Cancer, Carotid Artery Stenosis, Cardiovascular Complication
- Trial name
- NCT05490875
- Testing
- Carotid ultrasound, Blood draw, Survey
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Wake Forest University Health Sciences
Coronary Artery Disease, Myocardial Infarction
Genomic Investigation of Cardiovascular Diseases
This proposal puts forward a research plan to initiate a genetic databank, henceforth referred to as The Genebank at Scripps Clinic Registry.
- Conditions
- Coronary Artery Disease, Myocardial Infarction, Atrial Fibrillation, Aortic Stenosis
- Trial name
- NCT00722748
- Where
- United States
- Volunteers
- 15,000 people
- Sponsor
- Scripps Translational Science Institute
Congenital Heart Disease, Coarctation of Aorta
An Integrated Prenatal and Postnatal Treatment Model for the Treatment of Newborns With Critical Congenital Heart Disease
The purpose of this two-way cohort study was to explore whether an integrated prenatal and postnatal treatment model for neonates with critical congenital heart disease (CCHD) could be effective in avoiding preoperative…
- Conditions
- Congenital Heart Disease, Coarctation of Aorta, Aortic Stenosis, Pulmonary Atresia
- Trial name
- NCT06768008
- Where
- China
- Volunteers
- 10,000 people
- Sponsor
- Beijing Anzhen Hospital