Clinical trials: Cardiac Flow
Coronary Artery Disease
Simultaneous Assessment of FFR and SPECT
The overall purpose of this research study is to identify the disparity in ischemia measurement between fractional flow reserve (FFR) used in the cardiac catheterization laboratory and myocardial perfusion stress- single-photon…
- Trial name
- NCT02749045
- Testing
- SPECT imaging
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Prem Soman
Intubation, Cardiovascular Surgical Procedure
Reducing Reintubation Risk in High-Risk Cardiac Surgery Patients With High-Flow Nasal Cannula
The iCAN trial is a pragmatic randomized controlled trial that aims to test the hypothesis that HFNC versus usual care oxygenation strategies applied immediately after initial extubation after cardiac surgery decreases the…
- Trial name
- NCT04782817
- Testing
- Recommendation for high flow nasal cannula oxygen therapy order set, Provider choice usual care order set
- Where
- United States
- Volunteers
- 3,568 people
- Sponsor
- Vanderbilt University Medical Center
Coronary Artery Diseases, Multivessel Coronary Artery Disease
SYNTAX III REVOLUTION Trial: A Randomized Study Investigating the Use of CT Scan and Angiography of the Heart to Help the Doctors Decide Which Method is the Best to Improve Blood Supply to the Heart in Patients With Complex Coronary Artery Disease
The SYNTAX III Revolution trial is a randomized diagnostic research study that investigates the use of CT scan and angiogram of the heart to help doctors decide which method is the best to improve blood supply to the heart in…
- Conditions
- Coronary Artery Diseases, Multivessel Coronary Artery Disease, Heart Diseases, Cardiovascular Diseases
- Trial name
- SYNTAX III (NCT02813473)
- Testing
- Coronary Angiography, Computed Tomography (CT) scan
- Where
- 6 sites in Belgium, France and 3 more
- Volunteers
- 223 people
- Sponsor
- ECRI bv
Coronary Artery Disease
SHIELD II Clinical Investigation
The HeartMate PHP System is a temporary (<6 hours) ventricular assist device indicated for use during high-risk percutaneous coronary interventions (PCI) performed electively or urgently in hemodynamically stable patients with…
- Trial name
- SHIELD II (NCT02468778)
- Testing
- HeartMate PHP, Any Abiomed Impella® device approved for use in high-risk PCI
- Where
- 58 sites in United States
- Volunteers
- 54 people
- Sponsor
- Abbott Medical Devices
Coronary Artery Disease
PET MYOCARDIAL Blood Flow Comparison to Coronary CTA and CT-FFR
The broad, long-term objective of this pilot study is to develop an optimal, clinically usable, non-invasive evaluation of Coronary Artery Disease (CAD) in the setting of stable angina which provides both anatomic and functional…
- Trial name
- NCT05349084
- Testing
- PET-cCTA-cFFR
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Washington University School of Medicine
Atrial Fibrillation, Persistent
FLOW-AF: A Study to Evaluate Electrographic Flow™ (EGF) Mapping Technology
This study is to evaluate Electrographic Flow™ (EGF) mapping algorithm technology (Ablamap® Software).
- Trial name
- FLOW-AF (NCT04473963)
- Testing
- Electrographic Flow™ guided ablation
- Where
- 4 sites in Czechia, Germany and 1 more
- Volunteers
- 85 people
- Sponsor
- Cortex
Heart Failure
Right Ventricular Function and Exercise Capacity in Patients With Continuous-flow Left Ventricular Assist Devices
Exercise capacity in continous-flow left ventricular assist device (CF-LVAD) patients remains severely reduced post-implant. While the effect of right ventricular (RV) failure early after pump implantation, and its effect on…
- Trial name
- NCT02658136
- Testing
- Cardiac Computed tomography
- Where
- Denmark
- Volunteers
- 15 people
- Sponsor
- Finn Gustafsson
Heart Failure
Right Ventricular (RV) Pacing in Early Post-operative Continuous Flow Left Ventricular Assist Device (LVAD)
Continuous right ventricular (RV) pacing demonstrates harm in patients with normal left ventricular (LV) function as well as in patients with cardiomyopathy and clinical heart failure.
- Trial name
- NCT01446796
- Testing
- Implantable Cardioverter-Defibrillator (subject's pre-existing ICD)
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Duke University
Coronary Artery Disease
Does Routine Pressure Wire Assessment Influence Management Strategy at Coronary Angiography for Diagnosis of Chest Pain?
The use of coronary angiography to investigate patients at risk of coronary artery narrowings has become universal. In most cases, this investigation leads to a successful treatment plan with revascularisation recommended where…
- Trial name
- RIPCORD (NCT01070771)
- Testing
- Radi pressure wire (pressure wire assessment)
- Where
- 10 sites in Ireland, United Kingdom
- Volunteers
- 203 people
- Sponsor
- University Hospital Southampton NHS Foundation Trust
Coronary Artery Disease
Isoflavones and the Coronary Circulation in Men and Women With Coronary Artery Disease
The aim of this study is to investigate the effect of genistein administration on coronary arteries in humans. We will measure the size of a coronary artery and the speed and amount of blood flow in response after subjects have…
- Trial name
- NCT00287690
- Testing
- Genistein
- Where
- United Kingdom
- Volunteers
- 71 people
- Sponsor
- Imperial College London
Myocardial Infarction, Multivessel Coronary Artery Disease
Comparison Between FFR Guided Revascularization Versus Conventional Strategy in Acute STEMI Patients With MVD.
The Compare-Acute trial is a prospective randomised trial in patients with multivessel disease, who are admitted into hospital with a ST-elevation Myocardial Infarction.
- Trial name
- CompareAcute (NCT01399736)
- Testing
- FFR-guided revascularisation strategy, randomised to guidelines group
- Where
- 26 sites in Czechia, Germany and 6 more
- Volunteers
- 885 people
- Sponsor
- Maasstad Hospital
Hypertension, Left Ventricular Diastolic Dysfunction
Effect of Nebivolol on the Blood Flow in Hearts of Adults With High Blood Pressure and Abnormal Filling of Heart
To investigate whether treatment with Nebivolol in subjects with high blood pressure and abnormal filling of left ventricle (LVDD) improves exercise time by improving Left Ventricular deformation and filling.
- Trial name
- NCT01961323
- Testing
- Nebivolol
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Peripheral Arterial Disease
Effect of Beetroot Juice on Coronary Blood Flow and Walking Performance in PAD
In this study the investigators will test the hypothesis that short-term consumption of inorganic nitrate (supplied in concentrated beetroot juice) enhances coronary blood flow responses, large artery hemodynamics, and leg…
- Trial name
- HeartBeet (NCT02553733)
- Testing
- Beetroot juice
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- David N. Proctor, PhD
Orthotopic Heart Transplant
Coronary Artery Vasculopathy in Pediatric Heart Transplant Patients
Heart transplantation is a life-sustaining therapy that allows patients with either congenital or acquired heart disease and severe cardiac dysfunction to survive. Over time, however, the transplanted heart can develop problems.
- Trial name
- CFR-OHT (NCT03231371)
- Testing
- Adenosine
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Bryan Goldstein
Coronary Artery Disease
The MATCH Investigation: CT Myocardial Perfusion and CT-FFR vs PET MPI
The overall goal of this project is to compare the absolute quantification of myocardial perfusion done by using CT myocardial perfusion imaging (CT-MPI) and the coronary flow measured by using CT Fractional Flow Reserve analysis…
- Trial name
- NCT04316676
- Testing
- PET-MPI Protocol, CT-MPI, Coronary CT angiography (CCTA) for CT-FFR calculation
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Emory University
Coronary Artery Disease
Simplified Anti-Thrombotic Therapy for FFR
Despite the routine use of procedural anti-coagulation and anti-platelet therapy for FFR calculation, no study has evaluated the optimal anti-thrombotic regimen in patients undergoing FFR.
- Trial name
- SMART-FFR (NCT02384070)
- Testing
- FFR, Aspirin, Clopidogrel
- Volunteers
- 300 people
- Sponsor
- Odessa Heart Institute
Ischemia, Angina
PrEssure wiRe Compared to Microcatheter-based Sensing Technology For the Evaluation of FFR Measurements
The model by which physicians measure the lack of blood flow in the vessels that supply blood to the heart muscle is called Fractional Flow Reserve (FFR).
- Trial name
- PERFORM (NCT02648230)
- Testing
- St. Jude Medical Pressure Wire, ACIST Navvus Microcatheter
- Where
- United States
- Volunteers
- 74 people
- Sponsor
- Columbia University
Coronary Arterial Disease (CAD), Coronary Artery Bypass
Comparison of Bidirectional Palpation Test and Transit Time Flow Measurement for LIMA-LAD Graft Patency
The most important factor determining mortality and morbidity after coronary artery bypass graft (CABG) surgery is graft patency.
- Conditions
- Coronary Arterial Disease (CAD), Coronary Artery Bypass, LIMA, Graft Patency
- Trial name
- NCT06934993
- Where
- Turkey (Türkiye)
- Volunteers
- 116 people
- Sponsor
- Abdulgani Orhun YENİGÜN
Coronary Heart Disease, Metabolic Syndrome
Coronary Flow Reserve to Assess Cardiovascular Inflammation (CIRT-CFR)
Coronary flow reserve (CFR, calculated as the ratio of hyperemic over rest myocardial blood flow) is emerging as a powerful quantitative prognostic imaging marker of clinical cardiovascular risk.
- Conditions
- Coronary Heart Disease, Metabolic Syndrome, Diabetes Mellitus
- Trial name
- CIRT-CFR (NCT02786134)
- Testing
- PET scan, Echocardiogram
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Brigham and Women's Hospital