Clinical trials: Tissue Perfusion
NIRS, Tissue Oxygenation
CHECK-NIRS2D-Study
The study investigates how external, physiological, and behavioral factors influence the measurement of regional tissue oxygenation using two-dimensional near-infrared spectroscopy (NIRS) imaging in healthy volunteers.
- Conditions
- NIRS, Tissue Oxygenation, Microvascular Perfusion, Vascular Occlusion Test
- Trial name
- NCT07854431
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Heinrich-Heine University, Duesseldorf
Hemorrhage
Pulsatile Perfusion Therapy Phase II
Individuals who suffer from a stroke, cardiac arrest, or traumatic bleeding (hemorrhage) injuries often have compromised blood flow and oxygen to the brain which can lead to the death of brain cells, and if the patient survives…
- Trial name
- PPT2 (NCT05983744)
- Testing
- 0 Hz Control, 0.1 Hz PPT, 0.05 Hz PPT
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Caroline Rickards
Intracranial Hypertension
Intracranial Pressure and Brain Function: Effects of Head Down Tilt Upon Brain Perfusion and Cognitive Performance
The aim of the study is to understand the relationship between intracranial pressure regulation, cerebral tissue oxygenation and cognitive functioning.
- Trial name
- IPCog (NCT02976168)
- Testing
- 12° head down tilt
- Where
- Germany
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- DLR German Aerospace Center
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
Acute Myeloid Leukemia
Bone Marrow Angiogenesis in Acute Myeloid Leukemia - Evaluated by Dynamic Contrast Enhanced Magnetic Resonance (MR) Image
In malignant or neoplastic disease, angiogenesis is defined as the generation of new capillaries from preexisting blood vessels, e.g. by sprouting or by intusseption.
- Trial name
- NCT00172562
- Where
- Taiwan
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Alzheimer Disease, Dementia
Evaluation of Age- and Alzheimer's Disease-Related Memory Disorder
The purpose of this study is to examine how a part of the brain called the hippocampus contributes to memory changes that occur with aging and Alzheimer's disease (AD). Memory problems are the most important early symptoms of AD.
- Conditions
- Alzheimer Disease, Dementia, Memory Disorder, Healthy
- Trial name
- NCT00029120
- Where
- United States
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Pressure Ulcer
Peripheral Tissue Perfusion and Oxygenation in Areas at Risk of Press Ulcer (POTER-OIL)
The study objectives will be: Primary objectives: 1. To determine the effects on oxygenation and tissue perfusion of applying HFA (Hyperoxygenated Fatty Acids) or EVOO (Extra Virgin Olive Oil) to the heels of healthy subjects…
- Trial name
- POTER-OIL (NCT05144646)
- Testing
- MEPENTOL® AND FARMAOLIVA® IN HEALTHY WITH INTRASUBJECT CONTROL, MEPENTOL® AND FARMAOLIVA® IN PATIENTS WITH INTRASUBJECT CONTROL
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- JOSE MIGUEL MORALES ASENCIO
Acute Cholecystitis, Colorectal Cancer
Safety and Feasibility of ActivSightTM in Human
ActivSightTM combines an innovative form factor and proprietary software to deliver precise, objective, real-time visualization of blood flow and tissue perfusion intraoperatively for laparoscope-based surgery.
- Conditions
- Acute Cholecystitis, Colorectal Cancer, Diverticulitis, Colonic, Obesity, Morbid
- Trial name
- NCT04633512
- Testing
- ActivSight
- Where
- 3 sites in United States
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Activ Surgical
Peripheral Arterial Disease, Tissue Perfusion
Perfusion Assessment Using BOLD MRI and PBV in Endovascular Treatment of Peripheral Arterial Occlusive Disease
Current assessment of lower limb ischemia cannot reflect the location and degree of ischemia. Tissue perfusion assessment was used in the diagnosis and treatment of lower limb ischemia in this project, and the quantitative…
- Trial name
- NCT05045365
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
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
Breast Neoplasms, Carcinoma, Ductal
Spect Analysis of Cardiac Perfusion Changes After Whole Breast/Chest Wall Radiation Therapy With ABC
Cardiac perfusion changes have been seen after whole breast / chest wall irradiation for breast cancer. The Active Breathing Coordinator (ABC) device theoretically decreases radiation exposure to the heart during radiation for…
- Conditions
- Breast Neoplasms, Carcinoma, Ductal, Adenocarcinoma
- Trial name
- NCT00321048
- Testing
- Active Breathing Coordinator
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
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
Open Angle Glaucoma, Normal Tension Glaucoma
Reproducibility of Blood Flowmetry in Human Retina Using the Nidek Laser Speckle Flowgraphy LSFG-NAVI System
In addition to intraocular pressure blood perfusion pressure in the optic nerve is an important factor determing the cause of glaucoma. Increasing evidence suggests that in glaucoma patients retinal blood may be decreased.
- Conditions
- Open Angle Glaucoma, Normal Tension Glaucoma, Healthy
- Trial name
- LSFG Repro (NCT04014933)
- Testing
- LASER SPECKLE FLOWGRAPHY
- Where
- Switzerland
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Skin Physiology, Spinal Cord Injuries
Intelligent Underwear (IU) in Paraplegics
Pressure injuries are a major problem in patients with no or limited mobility and sensation such as paraplegics. Changes in skin physiology like changes in skin perfusion, oxygenation and humidity may explain and help to detect…
- Conditions
- Skin Physiology, Spinal Cord Injuries, Pressure Injury
- Trial name
- ProTex (NCT04008160)
- Testing
- ProTex
- Where
- Switzerland
- Volunteers
- healthy volunteers welcome
- Sponsor
- Swiss Paraplegic Research, Nottwil
Psoriasis
Effect of Chronic Inflammation on Myocardial Perfusion and Function
Background: Heart failure (HF) is a public health burden. Studies have shown a link between inflammation, myocardial dysfunction, and HF.
- Trial name
- NCT04870827
- Testing
- 13N Amonia
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
Type1diabetes, Insulitis
Pancreas Ultrasound Imaging in type1 Diabetes
The overall goal of this study is to develop and test a novel method involving ultrasound imaging, in order to detect the development of type 1 diabetes.
- Conditions
- Type1diabetes, Insulitis, Pancreas Inflamed
- Trial name
- NCT05482321
- Testing
- Definity Suspension for Injection
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Systemic Lupus Erythematosus, Fibromyalgia
Magnetic Resonance Spectroscopy, Perfusion and Diffusion Tensor Imaging in Neuropsychiatric Lupus
The purpose of this study is to find out if certain types of Magnetic Resonance (MR) scanning will help to better detect markers in the brain that are related to the neuropsychiatric symptoms of systemic lupus erythematosus…
- Conditions
- Systemic Lupus Erythematosus, Fibromyalgia, Acute Neuropsychiatric Lupus
- Trial name
- NCT00723671
- Testing
- MRI
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- University of Michigan
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
Regional Blood Flow, Wound Heal
Indocyanine Green Tissue Perfusion Monitoring
The aim of this project is to demonstrate that fluorescence-mediated photoplethysmography (FM-PPG) is capable of routinely acquiring the tissue perfusion data sufficient to detect and monitor skin tissue perfusion anomalies.
- Trial name
- NCT02978560
- Testing
- fluorescence-mediated photoplethysmography
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore