Clinical trials: Perfusion
Reconstructive Surgical Procedures
DIEP Flap Perfusion Evaluated by DIRT and ICG-FA.
Patients selected for DIEP breast reconstruction were examined with preoperative CTA, Doppler Ultrasound, dynamic infrared thermography (DIRT) and Indocyanin green fluorescent angiography (ICG-FA) for perforator mapping.
- Trial name
- NCT04115995
- Testing
- Dynamic infrared thermography (DIRT) and indocyanine green fluorescence angiography (ICG-FA)
- Where
- Norway
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital of North Norway
Perfusion; Complications
Evaluation of Tissue Oxygen Levels During Breast Reconstruction With a New Surgical Device
This study is designed to evaluate the information provided to the clinicians by the surgical imaging device. It is also to gain insight on the user interface and how "user friendly" it is to the clinician.
- Trial name
- Presygen™ (NCT03715270)
- Testing
- Image surgical area
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Christie Medical Holdings, Inc.
Cold Exposure
The Influence of Race and MitoQ Supplementation on Skin Blood Flow in the Cold
Individuals who operate in cold weather are at risk of developing cold injuries, for example, frostbite. They also often experience a loss of hand function and joint mobility due to a decrease in skin temperature and blood flow.
- Trial name
- NCT06784531
- Testing
- Mitoquinone mesylate (MitoQ), Cold Water Hand Immersion, Cold Air Exposure
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Coronary Artery Disease (CAD), Myocardial Ischemia
A Study of XTR004 Radiotracer in Healthy Volunteers
XTR004 is a 18F-labeled myocardial perfusion positron emission tomography tracer use to measure myocardial perfusion and myocardial blood flow.
- Trial name
- NCT05195879
- Testing
- XTR004
- Where
- China
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Sinotau Pharmaceutical Group
COPD, Healthy Subjects
Sublingual Tonometry to Assess Tissue Perfusion in Patients With Chronic Obstructive Pulmonary Disease (COPD)
Sublingual positioning of a silicon capillary system is applied. After 15 min, while the individual is in resting position with closed mouth and normal tidal breathing through the nose is performed, the silicon capillary system…
- Trial name
- subton (NCT01169506)
- Testing
- sublingual silicon capillary
- Where
- Hungary
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Szeged University
Chronic Renal Failure, Healthy Controls
Gender Differences in Renal Functioning and Disease
The purpose of the GenderBOLD study is to shed light on the mechanisms responsible for women's lower susceptibility to developing and progressing chronic renal disease, using modern imaging techniques, and applying different…
- Trial name
- GenderBOLD (NCT04085094)
- Testing
- high-salt diet (V1) and low salt diet (V2), Contrast-enhanced ultrasound (CEUS), functional MRI
- Where
- Switzerland
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Vaudois
Myocardial Infarction
18F-PBR06/Total Body PET Imaging in Patients With STEMI
The study will use 18F-PBR06/uExplorer to study the activation of macrophages and systemic perfusion in patients with ST-segment elevation myocardial infarction (STEMI) or stable angina (SA).
- Trial name
- NCT05269446
- Testing
- percutaneous coronary intervention (PCI), total body PET/CT scan, Coronary Angiography (CAG)
- Where
- China
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- RenJi Hospital
Hypertension, Heart Failure
LSFG-SKIN, Laser Speckle Flowgraphy
The purpose of this project is to quantify normal and abnormal skin blood flow regionally in different areas of the body(face, extremities, over burns and wounds) at baseline and over time in response to treatment or…
- Conditions
- Hypertension, Heart Failure, Vascular Ischemia, Burns
- Trial name
- NCT03660618
- Testing
- laser speckle flowgraphy
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Hypertension, Chronic Kidney Disease
Accuracy of 1.5 T Versus 3 T Magnetic Resonance Arterial Spin Labeling to Measure Renal Blood Flow
In this study we want to compare the accuracy of two methods to measure renal perfusion by MRI spin labelling technique: the first measurement done with the 1.5 T MRI versus the second one obtained with the 3.0 T MRI (Siemens MRI…
- Trial name
- NCT02746549
- Testing
- renal perfusion
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Kidneys
Cardio and Renovascular Effects of Isometric Exercise in the Healthy Human Measured by PET/CT and MRI
This randomized crossover study aims to validate measurements of renal perfusion in healthy males with PET/CT, using 15-oxygen labeled water as tracer, against the validated multiparametric MRI technique.
- Trial name
- NCT06555211
- Testing
- MRI, PET/CT
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Acute Ischemic Stroke
Evaluation Of HUK in Acute Stroke Patients: MRS and CTP
Background: Acute ischemic stroke (AIS) is a leading cause of morbidity and mortality worldwide. Human urinary kallidinogenase (HUK), a glycoprotein extracted from male urine currently used in China for enhancing cerebral…
- Trial name
- NCT03431909
- Testing
- Human urinary kallidinogenase (HUK), aspirin® , clopidogrel® , atorvastatin®
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Xuanwu Hospital, Beijing
Post-Acute COVID-19, Post COVID-19 Condition
Ventilatory and Perfusion Abnormalities in Individuals With Post-Acute Sequelae of SARS-CoV-2 Infection
Prospective cohort study to evaluate the utility of quantitative CT analysis to assess ventilation and perfusion defects in patients with Post-acute Sequelae of SARS-CoV-2 (PASC) and functional limitations
- Conditions
- Post-Acute COVID-19, Post COVID-19 Condition, Post Viral Fatigue, Dyspnea
- Trial name
- PASC VQ (NCT05866952)
- Testing
- Computed Tomography of the Chest
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tufts Medical Center
Cerebral Perfusion Pressure, Vasopressor Agents
Physiologic Study of Cerebral Perfusion
The aim of the study is to measure cerebral perfusion using MRI in healthy subjects (with and without sedation) and in vasopressor-dependent patients
- Conditions
- Cerebral Perfusion Pressure, Vasopressor Agents, Shock, Magnetic Resonance Imaging (MRI), Functional
- Trial name
- NCT02744625
- Testing
- Higher doses of vasopressor therapy for a MAP of 75 mmHg, Lower doses of vasopressor therapy for a MAP of 65 mmHg, Propofol for light sedation
- Where
- Canada
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Centre de recherche du Centre hospitalier universitaire de Sherbrooke
Alzheimer's Disease
Statin Effects on Beta-Amyloid and Cerebral Perfusion in Adults at Risk for Alzheimer's Disease
The purpose of the research is to see how simvastatin affects a substance in the body called beta-amyloid. Beta-amyloid is found in the brain and in the liquid around the brain and spinal cord.
- Trial name
- SHARP (NCT00939822)
- Testing
- Simvastatin
- Where
- United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Surgical Anastomosis
Intraoperative Hyperspectral Imaging in Gastrointestinal Anastomoses
In this study, gastrointestinal anastomoses are examined with a hyperspectral camera.
- Trial name
- HSIGI (NCT03667950)
- Testing
- Hyperspectral Imaging
- Where
- Germany
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Leipzig
Uterine Bleeding, Uterine Fibroid
Pain Reduction and Ovarian Perfusion Following Uterine Fibroid Embolization
The goal of this study is to assess of Pressure-Enabled Drug Delivery on fibroid treatment in patients undergoing UFE.
- Trial name
- PEDD-UFE (NCT06106633)
- Testing
- TriNaV
- Where
- 2 sites in United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Coronary Artery Disease, Myocardial Ischemia
Validation of a Single Rest-Stress Imaging Protocol for Myocardial Perfusion Imaging
We propose a single-scan two-injection myocardial perfusion imaging protocol using ammonia. Subjects will undergo single-scan two-injection imaging as well as regular stress single-scan single-injection protocol and the…
- Trial name
- NCT03265535
- Testing
- Single-Scan Two-Injection Protocol
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Healthy, Hypercapnia
Role of Prostaglandins in the Regulation of Brain Blood Flow
This study will use magnetic resonance imaging (MRI) to examine the role of prostaglandins-a type of fatty acid with hormone-like actions-in the regulation of brain blood flow.
- Trial name
- NCT00006318
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Sickle Cell Disease
Relationship Between Abnormal Myocardial Perfusion and Diastolic Dysfunction in Sickle Cell Disease Using PET
There is limited information on what causes injury to the heart in individuals with Sickle Cell Disease (SCD). Researchers in this study want to see if decreased blood flow to the heart during stress could be causing the heart…
- Trial name
- NCT05583721
- Testing
- [13N]NH3, Lexiscan, Positron emission tomography
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- St. Jude Children's Research Hospital
Coronary Artery Ectasia
Effect of Diltiazem on Coronary Artery Ectasia
Coronary artery ectasia (CAE) has been defined as localized or diffuse dilatation of epicardial coronary arteries more than 1.5 fold of adjacent normal segments.
- Trial name
- NCT02024919
- Testing
- intracoronary administration of diltiazem, intracoronary injection of 5 mL saline
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ankara University