Clinical trials: Cardiac Flow
Coronary Artery Disease
Development and Translation of Generator-Produced PET Tracer for Myocardial Perfusion Imaging-Dosimetry Group
This study is a single center, early phase 1 clinical imaging study designed to assess the dosimetry of 68Ga-Galmydar for PET/CT imaging.
- Trial name
- GALMYDAR (NCT05280782)
- Testing
- Ga-68 Galmydar
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Normal Healthy Volunteers Without Chronic Medical Conditions, Coronary Artery Disease
3D PET Myocardial Blood Flow and Rb82 Infusion Profiles
The investigators seek to test bolus infusions (50ml/min) vs. slow infusions (20 ml/min) of Rb-82 on metrics of coronary blood flow assessed on a modern 3D PET/CT.
- Conditions
- Normal Healthy Volunteers Without Chronic Medical Conditions, Coronary Artery Disease, Cardiac Risk Factors, Myocardial Infarction
- Trial name
- NCT05286593
- Testing
- Slow Infusion of Rubidium-82
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Ochsner Health System
Healthy
Trial to Assess the Effects of Different Trans-fatty Acids on Endothelial Function in Humans
The aim of the study is to compare a diet rich in trans fatty acids (TFA) from ruminant sources with a diet rich in TFA from hydrogenated vegetable oils (PHVO) in regard to their effects on cardiovascular risk markers…
- Trial name
- NCT00933322
- Testing
- diet enriched with industrial trans fatty acids, diet enriched with ruminant trans fatty acids, diet without any trans fatty acids
- Where
- Switzerland
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Coronary Artery Disease
Utilizing Carbon Dioxide for Assessing Coronary Blood Flow in Subjects With Coronary Artery Disease
This is a prospective pilot study to evaluate the safety, tolerability and technical feasibility of utilizing carbon dioxide for assessing coronary blood flow in subjects with coronary artery disease.
- Trial name
- NIMO-CAD (NCT06253884)
- Testing
- RespirAct
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Indiana University
Heart Failure, Diastolic, Diastolic Heart Failure
Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF
Unlike heart failure with reduced ejection fraction (HFrEF) where several medicines and devices have been demonstrated to reduce mortality, no such therapies have been identified in HFpEF.
- Conditions
- Heart Failure, Diastolic, Diastolic Heart Failure, Hypertension
- Trial name
- HFpEF-PRoF (NCT02589977)
- Testing
- regadenoson
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Marvin W. Kronenberg, M.D.
Tricuspid Valve Insufficiency
Behaviour of Tricuspid Valve Regurgitation in Volume and/or Pressure Loaded Right Heart
Right-sided heart disease has an important impact on the prognosis of patients with valvular heart disease. Up to now, Tricuspid Valve Regurgitation (TR) and right heart hemodynamics have not been extensively investigated.
- Trial name
- NCT01444222
- Where
- Belgium
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Coronary Artery Disease, Coronary Microvascular Disease
Whole-Heart Myocardial Blood Flow Quantification Using MRI
This study hopes to provide significant technical improvement in a Myocardial Blood Flow (MBF) cardiac magnetic resonance (CMR) quantification technique to address challenges and technical limitations for MBF CMR.
- Trial name
- NCT03064295
- Testing
- Myocardial Perfusion Cardiac MRI., Contrast, Pharmacologic Stress Agent
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Type 2 Diabetes Mellitus
Vascular Function and Biomarker Assessments in Healthy Volunteers and in Patients With Type 2 Diabetes Mellitus
The purpose of this study is to evaluate the vascular function and biomarkers in healthy volunteers and type 2 diabetic patients.
- Trial name
- NCT04744636
- Testing
- Other
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Institut de Recherches Internationales Servier
Healthy
Estrogen Alternatives Study
Healthy postmenopausal women not currently taking hormone replacement or hormone modulating therapy take a 3-month course of estradiol/raloxifene/placebo to evaluate the effects of each on vascular function, as indicated by PET…
- Trial name
- NCT00108238
- Testing
- Estradiol followed by progesterone, Raloxifene
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
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)
Coronary Artery Bypass Grafting, Cardiopulmonary Bypass
Relationship Between Perioperative Carotid Blood Flow Monitoring and Cerebral Function Protection in Cardiac Surgery
Postoperative cognitive dysfunction (POCD) is a common complication of cardiac surgery, mainly manifested as mental confusion, anxiety, personality change and memory impairment, which seriously affects the quality of life of…
- Trial name
- NCT05586347
- Testing
- Nicardipine, normal saline
- Where
- China
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Nanjing First Hospital, Nanjing Medical University
Hookah Smoking
Effects of Hookah Smoking on Blood Flow to the Heart, Muscle and Skin
This is a pilot study on acute effects of Hookah smoking on the sympathetic neural control of the human cardiovascular system. Hookah smoking is known to transiently increase blood pressure and heart rate while decreasing heart…
- Trial name
- NCT02147665
- Testing
- Hookah smoking
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Heart Failure, Coronary Artery Disease
123I-mIBG SPECT Imaging
This study is being done with a radioisotope, 123I-mIBG (Adreview), to develop a nuclear diagnostic imaging test for patients with decreased heart function which can be used to predict the progression of the heart disease and…
- Trial name
- NCT02043522
- Testing
- Radioisotope
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Coronary Artery Disease
Biomarkers for Cardiovascular Disease
Biomarkers for Cardiovascular Disease Summary: This study will examine the function of the lining cells of blood vessels and measure substances in the blood to see how they relate to various blood tests, including new tests under…
- Trial name
- NCT00109018
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Baro-reflex Sensitivity, Heart Rate Variability
Low Intensity Exercise in Different Normobaric/Hypobaric Normoxic/Hypoxic Conditions.
The main goal of this project is to investigate how low intensity cycling exercise (1.5W/kg, for 6 minutes) influences cerebral functions, such as: Cerebral blood flow, oxygenation, and other physiological variables in different…
- Conditions
- Baro-reflex Sensitivity, Heart Rate Variability, EEG, Microstates, Cerebral Blood Flow Regulation
- Trial name
- Hypoxia (NCT03439202)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Nicotine-free Hookah Smoking
Effects of Nicotine-Free Hookah Smoking on Blood Flow to the Heart, Muscle and Skin
This is a pilot study on the acute effects of nicotine-free hookah (herbal/steam stones) smoking on the sympathetic neural control of the human cardiovascular system.
- Trial name
- NCT02310373
- Testing
- Nicotine free hookah smoking
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Down Syndrome
Blood Flow Regulation in Individuals With Down Syndrome - Training Study
Work capacity is an important predictor of declining health or physical function, and of mortality, and is commonly measured as peak oxygen consumption.
- Trial name
- NCT04854122
- Testing
- Combined exercise intervention
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Nevada, Las Vegas
Coronary Artery Disease
Myocardial Blood Flow by PET and N-13 Ammonia During Regadenoson vs Adenosine Stress
Blockage of the heart arteries (coronary artery disease) can lead to angina (chest pain), heart attacks, heart failure, and/or death.
- Trial name
- NCT01370265
- Testing
- Regadenoson, Adenosine, N-13 ammonia
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Pregnancy Related, Cardiac Output
Cardiac Flow Measurements in Pregnant Women by Non Invasive Techniques
the goal of this clinical trial is to compare the measurement of cardiac output, systolic ejection volume and vascular filling in pregnant women with the new non-invasive measurement techniques of the Index of contractility…
- Trial name
- NCT06114147
- Testing
- trans thoracic echocardiography measure, ICON measure, USCOM
- Where
- Switzerland
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Geneva, Switzerland
Blood Flow Speed, Coronary Flow Velocity
Study to Assess the Effect of Ticagrelor on Coronary Blood Flow in Healthy Male Subjects.
The purpose of this study is to determine if Ticagrelor increases the Adenosin induced coronary blood flow velocity.
- Trial name
- NCT01226602
- Testing
- AZD6140
- Where
- Sweden
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- AstraZeneca