Clinical trials: Perfusion
Cerebral Perfusion, Contraception
The Effects of the Female Hormones on Cerebral Perfusion
Measuring brain perfusion is biased by a inter- and intrasubject variability, caused by physiological and lifestyle factors. In this study, the investigators want to investigate the variations in cerebral perfusion and other…
- Conditions
- Cerebral Perfusion, Contraception, Menstrual Cycle
- Trial name
- NCT03299179
- Testing
- MRI scan, Physiological monitoring, Blood sample
- Where
- Belgium
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- University Ghent
Healthy
Renal NCE-MRI in Healthy Volunteers
Non-contrast enhanced (NCE) structural MRI enables to investigate renal anatomy. Additional NCE-MR acquisition modalities (e.g. Diffusion Weighted Imaging (DWI), Blood Oxygenation Level Dependent (BOLD) MRI, Arterial Spin…
- Trial name
- NCT02618460
- Testing
- Non contrast-enhanced magnetic resonance imaging
- Where
- Italy
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Mario Negri Institute for Pharmacological Research
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.
Upper Extremity Fracture, Regional Anesthesia
Tissue Perfusion for Different Approaches of Brachial Plexus Block
To compare the two different approaches of infraclavicular brachial plexus block in forearm, wrist and hand surgery in terms of perfusion index, tissue oxygenation, sensory and motor block onset time and total effect time, first…
- Conditions
- Upper Extremity Fracture, Regional Anesthesia, Brachial Plexus Blocks, Perfusion Index
- Trial name
- NCT04764591
- Testing
- Lateral sagittal approach, Costoclavicular approach
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Chest Pain, Sickle Cell Anemia
Effects of Nitric Oxide and Nitroglycerin in Patients With Sickle Cell Anemia
Sickle cell anemia is the most common genetic disease affecting African-Americans. About 1 in every 1000 African-Americans has the disease and 1 in every 12 carry the genes that could be passed on to their children.
- Trial name
- NCT00001716
- Testing
- Nitric Oxide, Nitroglycerin
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Fetal Growth Retardation
Sildenafil and Uteroplacental Perfusion
The purpose of this study is to determine whether sildenafil is effective and safe in the treatment of fetal growth restriction.
- Trial name
- NCT01107782
- Testing
- sildenafil
- Where
- Iran
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Tehran University of Medical Sciences
Coronary Artery Disease
Myocardial Perfusion Imaging Galmydar Rest/Stress
A single center, phase 0/1 clinical imaging study designed to assess the role of [68Ga]Galmydar PET/CT imaging in human subjects.
- Trial name
- NCT05625490
- Testing
- Ga-68 Galmydar, 13N-ammonia
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Vascular Diseases
Quantitative Perfusion Imaging Using Contrast Enhanced Perfusion Ultrasound, MRI and Perfusion Angiography
Peripheral Arterial Disease is the narrowing and blocking of the blood vessels that supply the legs and feet. It is a common and progressive condition that affects patients of all backgrounds and genders and is more common in…
- Trial name
- QPiPAD (NCT06103708)
- Where
- United Kingdom
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University College, London
Osteoporosis, Fractures, Compression
Dynamic Magnetic Resonance (MR) Study in Evaluating the Vertebral Bone Marrow Perfusion and Its Related Research
The etiology and pathogenesis of osteoporosis has been extensively discussed. The relationship between bone blood circulation and the formation of bony trabeculae has been less understood.
- Trial name
- NCT00172224
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Perfusion; Complications
Perfusion Index Parameter
To evaluate the association between the Perfusion index parameter and an independent measure of perfusion.
- Trial name
- NCT06586918
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG
Perfusion Index and Pleth Variability Index an Early Indicator of the Success of Brachial Plexus Block; Randomized Clinical Trial
Perfusion Index and Pleth Variability Index an Early Indicator of the Success of Brachial Plexus Block; Randomized Clinical Triall
Abstract: Background: In investigators study, we aimed to compare PI and PVI between the interscalen block and infraclavicular block and evaluate its use as an early marker in block success.
- Trial name
- NCT05208632
- Testing
- INTERSCALEN BLOCK APPLICATION WITH USG
- Where
- Turkey (Türkiye)
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Malatya Egitim Ve Arastirma Hastanesi
Coronary Artery Disease, Diabetes Mellitus Type 2
Effects of Hyperglycemia on Myocardial Perfusion in Humans With and Without Type 2 Diabetes
The overall goal of this proposal is to determine the effects of acute hyperglycemia and its modulation by Glucagon-like Peptide-1 (GLP-1) on myocardial perfusion in type 2 diabetes (DM).
- Trial name
- GLP-1 (NCT01021865)
- Testing
- Glucagon-Like-Peptide-1/Regadenoson/Perflutren Lipid Microsphere
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Anesthesia, Spinal
Caval-aorta Index and Perfusion Index on Predict Hypotension After Spinal Anaesthesia in Elderly
The aim of our study was to predict hypotension by using caval aorta index and perfusion index in elderly patients who may develop hypotension after spinal anesthesia.
- Trial name
- NCT06479512
- Testing
- ultrasonography to measure the index of the caval aorta and non-invasive pulse oximetry for perfusion index
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Microvascular Disease, Microvascular Complications
Test of Reproducibility of [15O]H20-PET Assessment of Brain Perfusion
In the aging population, ischemic heart disease, stroke and dementia are increasingly prevalent. Diagnosis and treatment of the former two i.e., large-vessel coronary heart disease and endovascular thrombectomy of the brain in…
- Conditions
- Microvascular Disease, Microvascular Complications, Diabetes Mellitus Type 2, Cerebral Hypoperfusion
- Trial name
- SVAT (NCT06624267)
- Testing
- PET
- Where
- Denmark
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University Hospital Bispebjerg and Frederiksberg
Environmental Sleep Disorder, Cheyne-Stokes Respiration
Monitoring of the Cerebral Tissue Oxygenation and Perfusion in the Adapting Climber During Sleep in High Altitude
One of the major challenges in adapting to high altitudes is that with increasing altitude sleeping quality declines rapidly. Thus, the night sleep can only provide limited to none regeneration.
- Conditions
- Environmental Sleep Disorder, Cheyne-Stokes Respiration, Altitude Sickness
- Trial name
- PerOxySleep (NCT01465971)
- Where
- Germany
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Goethe University
Metabolic Syndrome
Effects of Exercise and GLP-1 Agonism on Muscle Microvascular Perfusion and Insulin Action in Adults With Metabolic Syndrome
The primary objective of this study is to examine whether exercise training alone, liraglutide treatment alone or exercise training plus liraglutide treatment increases cardiac and skeletal muscle microvascular blood volume…
- Trial name
- ZQL008 (NCT04575844)
- Testing
- Liraglutide, Exercise training, Liraglutide + Exercise training
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Premature, Necrotizing Enterocolitis
Intestinal Perfusion After Feeding in Preterm and Term Infants
This is a pilot exploratory observational prospective cohort phase I study. In this study, we will gather preliminary data to evaluate (i) the magnitude of changes in blood flow in the bowel before and after feeding and (ii) the…
- Trial name
- NCT06319326
- Testing
- Evaluation of intestinal perfusion with color Doppler abdominal ultrasound before and after feeding.
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Ocular Physiology, Microcirculation
Role of Adenosine in the Control of Choroidal Blood Flow During Changes in Ocular Perfusion Pressure.
Autoregulation is the ability of a vascular bed to maintain blood flow despite changes in perfusion pressure. For a long time it had been assumed that the choroid is a strictly passive vascular bed, which shows no autoregulation.
- Trial name
- NCT00712764
- Testing
- Adenosine
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Coronary Artery Diseases, Chest Pain
Cardiac SPECT With Rotating Slant Hole Collimator
The goal is to conduct a clinical pilot study to evaluate the use of a rotating multi-segment slant-hole collimator in the detection of myocardial defects.
- Trial name
- NCT00328315
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
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