Clinical trials: Tissue Perfusion
Fluid Retention Tissue, Perfusion; Complications
Weightlessness Associated Cephalad Fluid Shifts; The Potential to Evaluate Venous and Lymphatic Dysfunction
In the weightlessness of space and significant alterations of terrestrial 1 g (1 gravity equivalent) head-to-foot hydrostatic pressure gradients, astronauts experience a dramatic fluid redistribution of ~ 2 liters from the legs…
- Trial name
- NIID (NCT06405282)
- Testing
- Manual Lymphatic Drainage, Near infrared spectroscopy, Temperature
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Fibroid Uterus, Endometriosis
ICG to Assess Ovarian Perfusion
To assess the feasibility of using intravenous ICG to characterize the vascular perfusion of ovaries during gynecologic surgery
- Conditions
- Fibroid Uterus, Endometriosis, Uterus Myoma, Uterine Fibroid
- Trial name
- NCT03927651
- Testing
- ICG
- Where
- United States
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Kawasaki Disease, Cardiovascular Disease
Magnetic Resonance Myocardial Stress Perfusion in Pediatric Patients with Cardiovascular Disease
the goal of this observational study is to evaluate myocardial ischemia and myocardial microcirculation dysfunction in children with cardiovascular disease by myocardial stress perfusion imaging.
- Conditions
- Kawasaki Disease, Cardiovascular Disease, Anomalous Origin of Coronary Artery
- Trial name
- NCT06641843
- Where
- China
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- West China Second University Hospital
Anastomosis, Perfusion
ICG vs. HSI in Gastrointestinal Resections
In this study, gastrointestinal anastomoses are examined with a hyperspectral camera and after this the investigators use the Standard Routine ICG-Imaging. At the end, both methods will be compared..
- Trial name
- ICGvHSI (NCT04226781)
- Testing
- Hyperspectral-Imaging, Indocyaningreen-Fluorescence imaging
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Leipzig
Genetic Predisposition to Disease, Healthy Volunteers
This Study Consists of Two Study Parts Conducted Under a Single IRB. Part I: Short Term ApoE-dependent Cerebral Blood Flow Response to Sirolimus in Cognitively Normal Adults Part II: Short Term ApoE-dependent Cerebral Blood Flow and Lung Perfusion Response to Sirolimus in Cognitively Normal Adults
This study consists of two study parts (Part I and Part II) conducted under a single IRB approval. Individuals that participated in Part I of the study were invited to participate in Part II of the study.
- Trial name
- NCT05386914
- Testing
- Sirolimus
- Where
- United States
- Volunteers
- 205 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
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
Ulcer Foot, Diabetes
Optical Imaging For Assessment of Foot Perfusion
This study is designed to evaluate the ability of Spatial Frequency Domain Imaging (SFDI) to measure perfusion in lower extremities and to understand how it might be used in a podiatry clinic.
- Trial name
- NCT03144050
- Testing
- SFDI Imaging
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Modulated Imaging Inc.
Sepsis
Immune Activation, Hypoxia and Vasoreaction in Sepsis of Pulmonary Versus Abdominal Origin
Sepsis remains a common entity in critical care patients with remarkable mortality. Pulmonary and abdominal infections (with subsequent sepsis) are the most common in the ICU.
- Trial name
- NCT01530932
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
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)
Diabetes, Obesity
Multi-Tracer PET Quantitation of Insulin Action in Muscle (Phase 1, Phase 2, Phase 3, Phase 4)
The purpose of this research is to develop a new method to study insulin action using positron emission tomography (PET). Insulin is the hormone made by your body to control the blood sugar level.
- Trial name
- NCT00222885
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Liver Diseases
Liver Micro Flow - MRI
This study integrates and evaluates a series of novel MRI methods for quantifying blood perfusion and tissue microstructure. The proposed perfusion and microstructure measures may provide biomarkers for fibrosis, cirrhosis…
- Trial name
- NCT07634939
- Testing
- Novel MRI Software, Ensure Plus Nutrition Shake
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Coronary Artery Disease
Acquiring Consensus for Contrast Echocardiography System Settings - ACCESS Study
This study evaluated and optimized settings for, and evaluated the performance of, AI-700-enhanced echocardiographic imaging on several ultrasound imaging platforms, as well as collected additional safety data for AI-700 in…
- Trial name
- NCT00669851
- Testing
- AI-700
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Acusphere
Coronary Artery Disease, Healthy
Evaluation and Optimization of PB127 Myocardial Perfusion Echocardiography on Ultrasound Systems
The purpose of this clinical trial is to evaluate various commercially available ultrasound systems and to identify imaging parameters to be used with these systems (along with the contrast agent PB127) as well as to further…
- Trial name
- NCT00487903
- Testing
- PB127 for Injectable Suspension
- Where
- 3 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Point Biomedical
Circulatory; Change
Evaluating A Non-Invasive Tissue Perfusion Monitor
The Pedra perfusion system will be used to assess changes in perfusion in response to physiological stimuli. It will be compared to other standard diagnostics.
- Trial name
- NCT04630704
- Testing
- Pedra
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Pedra Technology, PTE LTD
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