Clinical trials: Perfusion; Complications
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
Peripheral Perfusion, Postoperative Pain
Effects Magnesium Sulfate and Labetalol Infusion on Peripheral Perfusion and Pain in Nasal Surgeries
One of main risk of controlled hypotension during nasal surgeries is impaired perfusion. Peripheral perfusion of non-vital organs usually impaired earlier than vital organs.
- Trial name
- NCT04688203
- Testing
- Magnesium Sulfate Injection, Labetalol Injectable Solution
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Zagazig University
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.
Altitude Hypoxia, Perfusion; Complications
The Pre-acclimatization Augmented Extreme Altitude Expedition
The aim of this study is to investigate the effect of pre-acclimatization in a nitrogen tent at home, ventilated with a slightly increased nitrogen percentage, in preparation for an expedition at extreme altitude.
- Trial name
- PRAGMAX (NCT05517044)
- Testing
- Nitrogen tent preacclimatization to high altitude
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Zurich
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
Ovarian Hyperstimulation Syndrome
Cabergoline Reduces OHSS
The present study was designed to provide clinical confirmation of Cb2's value as a new approach in the prevention of increased vascular permeability and hemoconcentration, both signs of OHSS in humans, and in order to explore…
- Trial name
- NCT00440258
- Testing
- Cabergoline, MR, Ultrasound
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Instituto Valenciano de Infertilidad, IVI VALENCIA
Microvascular Disease, Microvascular Complications
Comparison of Differencens in VO2-max, Perfusion of the Heart and Brain and Cognitive Performance Between Patients with Type 2 Diabetes and Healthy Age Matched Controls.
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, Dementia, Diabetes Mellitus Type 2
- Trial name
- SVAT (NCT06628297)
- Testing
- PET
- Where
- Denmark
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University Hospital Bispebjerg and Frederiksberg
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
Prostate Cancer, Bladder Cancer
Use of PET/MRI Tracer to Further Understanding of Prostate Cancer Development
The purpose of this study is to develop a novel technique for integrated PET/MRI tracer kinetic analysis for urologic malignancy.
- Trial name
- NCT02106416
- Testing
- PET/MRI
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Complication of Extracorporeal Membrane Oxygenation, Cerebral Microembolism
Cerebral Microemboli in Venoarterial ECMO Patients
Extracorporeal membrane oxygenation (ECMO) is progressively used in critically ill patients with cardiac or respiratory failure as a bridging option for potential organ recovery.
- Conditions
- Complication of Extracorporeal Membrane Oxygenation, Cerebral Microembolism, Cerebral Perfusion
- Trial name
- NCT02020759
- Testing
- Transcranial Doppler Ultrasound
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Kidney Injury, Acute, Perfusion Imaging
Validation of Renal Perfusion CEUS Against MRI, and Its Application in Acute Kidney Injury
The purposes of this study is 1. To establish the validity of CEUS to measure renal perfusion by comparing it against ASL-MRI in young and older healthy volunteers, and generate a normative dataset of CEUS measures of renal…
- Conditions
- Kidney Injury, Acute, Perfusion Imaging, Ultrasonography, Kidney Diseases
- Trial name
- NCT04181281
- Testing
- Contrast enhanced ultrasound, Arterial Spin Labelling -Magnetic Resonance Imaging
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Perfusion; Complications
Microdosing ICG for Serial Colonic Perfusion Study During Surgery
using microdosing of ICG vs regular dosing of ICG for perfusion assessment during surgery
- Trial name
- NCT06254833
- Testing
- micro dosing of ICG
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shanglei Liu
Delirium, Dementia, Amnestic, Cognitive Disorders, Postoperative Complications
Postoperative Cognitive Dysfunction in Geriatric Patients
Geriatric patients have a high risk of developing postoperative cognitive deficits. Hypothetical causes are insufficient intraoperative cerebral perfusion or drugs that are administered in the perioperative setting.
- Conditions
- Delirium, Dementia, Amnestic, Cognitive Disorders, Postoperative Complications, Memory Disorders
- Trial name
- NCT00512200
- Where
- Switzerland
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
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
Renal Cell Carcinoma
Non-Contrast Perfusion Using Arterial Spin Labeled MR Imaging for Assessment of Therapy Response in Metastatic Renal Cell Carcinoma
Magnetic Resonance Imaging (MRI) including Arterial Spin Labeling (ASL) will be performed before, during, and after the treatment, in a total of up to 6 MRI sessions until 7 months after the first session, or when progression is…
- Trial name
- NCT04831138
- Testing
- MRI with ASL, ASL-MRI
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Heart Failure With Reduced Ejection Fraction (HFrEF), Renal Impairment
AZD3427 Effects on Renal Perfusion in Heart Failure Patients With Reduced Ejection Fraction and Renal Impairment
The present study is designed to test the effect of AZD3427 on renal perfusion in participants with heart failure and reduced eGFR (30 to 90 mL/min/1.73m2).
- Trial name
- Re-PERFUSE (NCT06611423)
- Testing
- AZD3427, Dopamine, Radiolabelled ligand
- Where
- Sweden
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Placenta Diseases, Diagnosis, Pregnancy Related
Placenta Perfusion and Sufficiency Study
Ultrasonography will be used to determine the total blood flow to and from the uterus. This is done by measuring the blood vessels coming from and going to the uterus.
- Conditions
- Placenta Diseases, Diagnosis, Pregnancy Related, Female, Human
- Trial name
- P2SS (NCT06042348)
- Testing
- Trans abdominal ultrasound
- Where
- Netherlands
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Maxima Medical Center
Preterm Infant, Term Infant
C-UCM and Cerebral Oxygenation and Perfusion
In this randomized controlled Pilot study the effects of cut-umbilical cord milking on cerebral oxygenation and perfusion measured via near-infrared spectroscopy (NIRS) and the effects on stroke volume (SV) and cardiac output…
- Conditions
- Preterm Infant, Term Infant, Transition
- Trial name
- NCT03748914
- Testing
- Intervention Group, Control Group
- Where
- Austria
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Thyroid, Carotid Doppler
Effect of Head Position During Thyroidectomy on Postoperative Cognitive Functions
The aim of our study is to observe the effect of head-neck position of patients scheduled for thyroidectomy, on carotid artery blood flow, regional cerebral oxygen saturation measured using near-infrared spectroscopy technology…
- Conditions
- Thyroid, Carotid Doppler, Cerebral Perfusion
- Trial name
- NCT04830293
- Testing
- Carotis Doppler Ultrasound
- Where
- Turkey (Türkiye)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University