Clinical trials: Perfusion
Atrial Fibrillation, Acute Coronary Syndrome
Triple vs. Dual Therapy
Background: The acute coronary syndrome (ACS) is a complication of coronary artery disease (CAD) and associated with increased mortality.
- Trial name
- NCT02080858
- Testing
- Ticagrelor + Apixaban + ASA, Ticagrelor + Apixaban
- Where
- Austria
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Retinal Diseases
Arterial Spin Labeling MRI for Assessing Blood Perfusion in the Human Eye Repeatability Study and Clinical Application
The MRI perfusion imaging using arterial spin labeling (ASL)'s non-invasive technique (i.e. without injection of contrast medium) allows, thanks to recent technological improvement of the spatial resolution, measuring several…
- Trial name
- PerfRet (NCT05724641)
- Testing
- MRI perfusion imaging using ASL's non-invasive technique
- Where
- Belgium
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Cliniques universitaires Saint-Luc- Université Catholique de Louvain
Ocular Physiology, Optic Disk
Role of Endothelin- and Nitric Oxide-system in the Regulation of Optic Nerve Head 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. The existence of an effective autoregulation in the optic nerve circulation has been shown in animals and humans.
- Conditions
- Ocular Physiology, Optic Disk, Regional Blood Flow
- Trial name
- NCT00406731
- Testing
- NG-monomethyl-L-arginine (L-NMMA), Endothelin-1 (ET-1), Laser Doppler flowmetry
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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
Peripheral Arterial Disease, Diabetes Mellitus
The Use of HOVR Technology for Assessment of Blood Associated Parameters
Feasibility, usability and safety clinical study that is aimed at testing of the non-invasive VOTIS PedCheck system for measurement of changes in absorption of light in order to derive changes in perfusion and oxygen levels in…
- Trial name
- NCT05921461
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Votis Subdermal Imaging Technologies LTD
Pregnancy, Obesity
Advanced MRI for Uteroplacental Flow, Perfusion, Oxygenation & Inflammation
The purpose of the study is to develop advanced ultrasound (U/S) and Magnetic Resonance Imaging, known as MRI to study uteroplacental health.
- Conditions
- Pregnancy, Obesity, Preeclampsia
- Trial name
- NCT02791568
- Testing
- Ultrasound Scan, MRI Scan, Ferumoxytol
- Where
- 2 sites in United States
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
The GLP-1-mediated Gut-kidney Axis
Acute Effects of GLP-1 on Renal Hemodynamics
This study investigates the hypothesis, that GLP-1's suppression of ANG II and natriuretic action increase medullary perfusion and decrease oxygen consumption, leading to higher tissue oxygenation.
- Trial name
- GLP1RRBF (NCT04337268)
- Testing
- Glucagon-Like Peptide 1, saline 0.9%
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Multiple Sclerosis
The Effect of Sildenafil Citrate (Viagra® (Registered Trademark)) on Brain Blood Flow in Multiple Sclerosis Patients
This study will determine whether sildenafil citrate, commonly known as Viagra, can cause increased blood flow to the brain in a wide range of multiple sclerosis (MS) patients, including women.
- Trial name
- NCT00094068
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Acute Compartment Syndrome
Use of Near Infrared Spectroscopy to Detect Muscle Perfusion in the Lower Extremity of Uninjured Subjects
Acute compartment syndrome (ACS) is a complication of lower leg trauma that occurs when the pressure inside the leg due to swelling exceeds the body's ability to provide blood to the muscle of the leg.
- Trial name
- NCT01284023
- Testing
- Shaving
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- J&M Shuler
Hypotension (MeSH: D007022)
Carotid Artery Blood Flow, Blood Pressure, and Cardiac Output During Anesthesia in Children Aged 0-5 Years
Blood pressure is routinely monitored during anesthesia in children, but blood pressure alone may not accurately reflect blood flow to vital organs.
- Trial name
- CARFLOW (NCT07847203)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Sickle Cell Disease
Cerebrovascular Reserve Measurements in Sickle Cell Disease
The primary aim of this study is to evaluate MRI-based cerebrovascular reserve (CVR) measurements in adult patients with Sickle Cell Disease (SCD).
- Trial name
- CRUISE (NCT02824406)
- Testing
- Acetazolamide
- Where
- Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Lower Urinary Tract Symptoms
Bladder Wall Blood Perfusion Pattern and Sexual Dysfunction in Female Patients With Lower Urinary Tract Symptoms, and the Association of That Perfusion Pattern and Therapeutic Efficacy of Antimuscarincs for Female Overactive Bladder Syndrome.
Overactive bladder syndrome (OAB) affects around 17 % of female population. However, the etiology of OAB is complicated and unclear in many aspects.
- Trial name
- NCT01282840
- Testing
- Tolterodine SR
- Where
- Taiwan
- Volunteers
- 676 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Alzheimer Disease, Dementia
Semantic Memory, Financial Capacity, and Brain Perfusion in Mild Cognitive Impairment (MCI) (CASL)
Alzheimer's disease (AD) often manifests as a memory disorder before dementia develops. Dementia is considered to be present when a person can no longer handle complex activities of daily living, such as managing finances.
- Trial name
- CASL (NCT00880555)
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Healthy, Coronary Artery Disease
Dose Finding Study of PB127 Ultrasound Contrast Agent in Healthy Volunteers and Patients With Coronary Artery Disease
The purpose of this study is to determine the dose of PB127 for detection and/or exclusion of coronary artery disease when used with cardiac ultrasound. This study also evaluates the safety of PB127.
- Trial name
- NCT00584818
- Testing
- PB127 for Injectable Suspension
- Where
- 16 sites in United States
- Volunteers
- 205 people, healthy volunteers welcome
- Sponsor
- Point Biomedical
Parkinson Disease
How the Loss of Dopamine and Dopamine-Restoring Medicines Affect Movement Performance
This study has two purposes: 1) to understand the effect of a decline of dopamine in the brain during normal aging and in patients with Parkinson's disease, and 2) to investigate how medicines used to treat Parkinson's disease…
- Trial name
- NCT00040196
- Where
- United States
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Head and Neck Cancer, Healthy
Non-invasive Preoperative Tissue Evaluation in Head and Neck Tumor Patients Using Multispectral Optoacoustic Tomography (MSOT)
Multispectral Optoacoustic Tomography (MSOT) is a promising imaging technology that utilizes pulsed laser light. One of the key capabilities of this technology is measuring oxygenation within human tissue.
- Trial name
- msotcmfflap (NCT06716892)
- Testing
- Multispectral Optoacoustic Tomography (MSOT)
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Diagnostic Imaging, Peripheral Arterial Disease
Calf Muscle Perfusion in Patients With Intermittent Claudication by 3D-reconstruction of MSOT (MSOT_IC_3D)
The aim of the proposed study is to define independent parameters for the diagnostic assessment of the perfusion situation of the calf muscle based on 3D-reconstruction of multispectral optoacoustic tomography (MSOT) in a…
- Conditions
- Diagnostic Imaging, Peripheral Arterial Disease, Intermittent Claudication
- Trial name
- NCT05773534
- Testing
- MSOT
- Where
- Germany
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ulrich Rother
Normal Tension Glaucoma
Intraocular Pressure and Ocular Perfusion Pressure of Cosopt in Normal Tension Glaucoma
To prove the non-inferiority of the fixed timolol-dorzolamide combination (Cosopt) compared to 0.005% latanoprost (Xalatan) in the aspects of intraocular pressure (IOP) and ocular perfusion pressure (OPP) in subjects with normal…
- Trial name
- NCT01175902
- Testing
- dorzolamide/timolol, latanoprost
- Where
- South Korea
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- The Catholic University of Korea
Ventilation Mode, Pleth Variability Index
Effects of Volume and Pressure-Controlled Ventilation on Cerebral SpO2, PI, and PVI Index in Septoplasty
Objective: This study was designed to evaluate the accuracy of Pleth Variability Index (PVI), Perfusion Index (PI) and Regional Oxygen Saturation (rSO2) in both ventilation modes in patients undergoing septorhinoplasty operation…
- Conditions
- Ventilation Mode, Pleth Variability Index, Perfusion Index, Regional Cerebral Oxygen Saturation
- Trial name
- NCT06407362
- Testing
- Cerebral Oxygen Saturation
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sanliurfa Mehmet Akif Inan Education and Research Hospital
Bowel; Ischemic, Acute
FLuorescence Guided Assessment of Mesenteric Ischemia in Emergency Surgery
This is a prospective, multicentre, non-randomized cohort study using real-time intraoperative visualization of bowel perfusion by indocyanine green (ICG) in all-cause bowel ischemia.
- Trial name
- FLAMES (NCT06322862)
- Testing
- Indocyanine green
- Where
- 5 sites in Denmark
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet