Clinical trials: Coronary Stenosis
Ischaemic Heart Disease, Coronary Artery Disease
iFR Guided Coronary Artery Bypass Grafting Surgery
The expected outcome of better and improved patency of bypass grafts and its direct relation to pre-operative iFR measurements of stenosis as compared to direct visual physiology of stenosis in the coronary angiogram.
- Conditions
- Ischaemic Heart Disease, Coronary Artery Disease, Coronary Stenosis
- Trial name
- iCABG (NCT04014140)
- Testing
- Coronary artery bypass grafting surgery (CABG)
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- Prakash Punjabi
Coronary Artery Stenosis, Coronary Artery Bypass Graft Surgery
Steroid-induced Reduction of Surgical Stress Study
The stress response as induced by myocardial cellular damage during cardiac surgery may lead to myocardial stunning and apoptosis, and could therefore impair postoperative patient recovery.
- Trial name
- STRESS (NCT00807521)
- Testing
- Dexamethasone
- Where
- Netherlands
- Sponsor
- Amsterdam UMC, location VUmc
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
Aortic Valve Stenosis, Ventricular Dysfunction, Left
Ventriculo-arterial Coupling Modification Evaluated by PRAM During TAVI Procedure
Calcified aortic stenosis is the most frequent valvulopathy in Europe and North America. Aortic stenosis is an obstacle to the ejection of blood from the left ventricle to the aorta and leads to morphological changes in the left…
- Trial name
- PRAM-TAVI (NCT03385785)
- Where
- France
- Volunteers
- 20 people
- Sponsor
- Central Hospital, Nancy, France
Stable Angina
Fractional FLow Reserve And IVUS for Clinical OUtcomes in Patients With InteRmediate Stenosis
To compare the safety and efficacy of FFR (fractional flow reserve)-guided percutaneous coronary intervention (PCI) strategy with IVUS (intravascular ultrasound [IVUS])-guided PCI in patients with intermediate coronary stenosis.
- Trial name
- FLAVOUR (NCT02673424)
- Testing
- FFR-guided stenting, IVUS-guided stenting
- Where
- 5 sites in China, South Korea
- Volunteers
- 1,700 people
- Sponsor
- Seoul National University Hospital
Aortic Valve Stenosis
The Leaflex™ Brazilian Standalone Study
A prospective, multicenter, single-arm study aimed to demonstrate safety and performance of the Leaflex™ Performer in the treatment of symptomatic severe aortic stenosis.
- Trial name
- NCT05052684
- Testing
- Leaflex™ Performer
- Where
- Brazil
- Volunteers
- 1 people
- Sponsor
- Pi-cardia
Aortic Valve Stenosis, Heart Valve Diseases
Stent Geometry in Sutureless Bioprosthetic Valves
A single-center prospective interventional trial. Patients implanted with a sutureless bioprosthetic aortic valve at Karolinska University Hospital in Stockholm, Sweden from 2012 will be eligible.
- Trial name
- NCT03753126
- Testing
- 4-dimensional volume-rendered computed tomography
- Where
- Sweden
- Volunteers
- 47 people
- Sponsor
- Karolinska University Hospital
Aortic Valve Stenosis
MRI in Transcatheter Aortic Valve Replacement Patients
The hypothesis is that SEV result in superior valvular hemodynamics (more pronounced during exercise) and exercise capacity relative to BEV.
- Trial name
- MRI-TAVR (NCT05603026)
- Testing
- Self-expanding valve (Medtronic Evolut FX), Balloon-expanding valve (Edwards Sapien 3 Ultra RESILIA)
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- University Hospitals Cleveland Medical Center
Aortic Stenosis, Transthyretin Amyloid Cardiomyopathy
Cardiac Amyloidosis in Patients With Aortic Stenosis
This study intends to conduct a prospective observation to investigate the prevalence of cardiac amyloidosis (CA) in patients with aortic stenosis (AS), compare the clinical characteristics between patients with isolated AS and…
- Trial name
- NCT07170306
- Testing
- transcatheter aortic valve replacement (TAVR)
- Volunteers
- 143 people
- Sponsor
- Shanghai Zhongshan Hospital
Aortic Valve Stenosis, Aortic Valve Calcification
SLOW-Slower Progress of caLcificatiOn With Vitamin K2
A randomized 12-month trial will include two groups of 100 individuals aged over 50 years, with asymptomatic mild to moderate Aortic valve stenosis (AVA > 1 cm2, Vmax < 4 m/s).
- Conditions
- Aortic Valve Stenosis, Aortic Valve Calcification, Mitral Annular Calcification, Mitral Valve Calcification
- Trial name
- NCT04429035
- Testing
- Vitamin K2
- Where
- 2 sites in Greece
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- National and Kapodistrian University of Athens
Williams Syndrome, Supravalvular Aortic Stenosis
Impact of Elastin Mediated Vascular Stiffness on End Organs
Background: People with Williams Syndrome (WS) and supravalvular aortic stenosis (SVAS) have less elasticity in their blood vessels. This is called blood vessel stiffness.
- Conditions
- Williams Syndrome, Supravalvular Aortic Stenosis, Cardiovascular Disease
- Trial name
- NCT02840448
- Where
- 2 sites in United States
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
GERD, Bariatric Surgery
Endoscopic Cardiac Band Ligation for the Management of Refractory GERD After Laparoscopic Sleeve Gastrectomy
GERD is a prevalent condition worldwide, estimated to be around 20-30 % in North America. Obesity is rapidly increasing with an estimated prevalence of 66% in the adult population in the United States.
- Conditions
- GERD, Bariatric Surgery, Laparoscopic Sleeve Gastrectomy
- Trial name
- CLEAR (NCT04771247)
- Testing
- Cardia Band Ligation
- Sponsor
- Johns Hopkins University
Aortic Valve Stenosis
Oxford - Fibrates in Aortic Stenosis
Aortic stenosis (AS) is characterised by left ventricular (LV) hypertrophy and altered myocardial substrate metabolism. Peroxisome proliferator-activated receptor (PPARα), a regulator of lipid metabolism is deactivated in…
- Trial name
- OxFAST (NCT05256758)
- Testing
- Fenofibrate Capsules, Placental Lactogen
- Where
- United Kingdom
- Volunteers
- 67 people
- Sponsor
- University of Oxford
Pulmonary Regurgitation, Pulmonary Insufficiency
Pulmonic Valve REplacement Multi-discIpline EMEA Registry
The purpose of this registry is to retrospectively and prospectively obtain clinical data in consecutively treated patients, in order to demonstrate that the commercially available Edwards SAPIEN Valve with the RF3 delivery…
- Conditions
- Pulmonary Regurgitation, Pulmonary Insufficiency, Pulmonary Stenosis
- Trial name
- PREMIER (NCT01356108)
- Testing
- Transcatheter Pulmonic Valve Replacement (TPVR) (Edwards SAPIEN™ THV)
- Where
- 16 sites in Belgium, Germany and 7 more
- Volunteers
- 127 people
- Sponsor
- Edwards Lifesciences
Low-gradient Aortic Stenosis, Aortic Stenosis
AI Assessment of Low-Gradient Aortic Stenosis Severity Based on Echocardiography
The purpose of this study is to evaluate the effectiveness of an artificial intelligence (AI) model developed by the investigators for identifying severe low-gradient aortic valve stenosis.
- Trial name
- ASAI-POL (NCT07144189)
- Testing
- AI diagnostic test for severe low-gradient aortic stenosis
- Where
- Poland
- Volunteers
- 300 people
- Sponsor
- National Institute of Cardiology, Warsaw, Poland
Aortic Stenosis
Biological Factors Associated With Subclinical Valvular Thrombosis
A prospective, multicentric cohort study including 166 patients with symptomatic aortic stenosis treated with transcatheter aortic valve implantation (TAVI).
- Trial name
- START (NCT03847948)
- Testing
- CT SCAN
- Where
- 2 sites in Spain
- Volunteers
- 166 people
- Sponsor
- Hospital San Carlos, Madrid
Re-stenosis, Cirrhosis of the Liver
The Influence Cirrhosis of the Liver on the Coronary Re-stenosis (LTX- Stent Study)
The aim of the study is to choose an optimal stent and to get further knowledge about the mechanisms of the engraftment of a stent.
- Trial name
- NCT02809248
- Testing
- ZES, BMS
- Sponsor
- RWTH Aachen University
Aortic Stenosis
Conscious Sedation vs General Anesthesia in TAVR Patients
This is a randomized controlled trial investigating the effect of general anesthesia versus conscious sedation on operative times in patients undergoing transcatheter aortic valve replacement.
- Trial name
- NCT03084978
- Testing
- General Anesthesia, Conscious Sedation
- Sponsor
- Montefiore Medical Center
Aortic Stenosis Disease
Impact of Enhanced Information on Subjective Information Level and PROMs in Patients with Aortic Stenosis
The aim of this trial is to evaluate if an enhanced information by using a mobile App can increase subjective information level in patients with severe aortic stenosis and may therefore improve patient-reported outcomes.
- Trial name
- TAVI-SDM-APP (NCT06706635)
- Testing
- Application of App
- Where
- Germany
- Volunteers
- 250 people
- Sponsor
- Heart and Diabetes Center North-Rhine Westfalia
Myocardial Ischemia, Myocardial Viability
Assessment of Lesion-Associated Myocardial Ischemia Based on Fusion Coronary CT Imaging
The aim of the Fused-Heart study is to investigate the impact of a coronary artery stenosis on myocardial function and viability, based on advanced fusion imaging techniques derived from CCTA.
- Conditions
- Myocardial Ischemia, Myocardial Viability, Coronary Stenosis, Vulnerable Coronary Plaques
- Trial name
- FUSE-HEART (NCT04680689)
- Testing
- 128 Multislice CT coronary angiography, 2D Cardiac Transthoracic Echocardiography, Laboratory Blood tests
- Where
- Romania
- Volunteers
- 100 people
- Sponsor
- Cardio Med Medical Center
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