Clinical trials: Perfusion
Bone Blood Flow Regulation
Exploration of Blood Flow Regulation to Bone in Humans
Without blood flow, bone cannot maintain its integrity. Bone blood flow responds to various local and systemic factors, however, bone perfusion in humans remains relatively unstudied.
- Trial name
- NCT04083794
- Testing
- Laboratory based assessments
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Spaulding Rehabilitation Hospital
Healthy
Local Changes of Skin Characteristics After an Application of a Topical Product With a Warming or Cooling Effect
The use of topical over-the-counter (OTC) products with a warming or cooling effect is widespread in the fields of sport, physiotherapy and in private households.
- Trial name
- SRPT (NCT03016221)
- Testing
- Axanova hot gel, Axanova activ gel, Perskindol Dolo Gel
- Where
- Switzerland
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Applied Sciences and Arts of Southern Switzerland
Pressure Distribution, Military Litters
NATO Litter: Fluid Immersion System (FIS) Versus Traditional Mattress for Pressure Dispersion
The purpose of this study is to measure peak skin interface pressures and the total area of the body exposed to skin interface pressure above 30 mm Hg at different areas of the body in the supine position on two different support…
- Conditions
- Pressure Distribution, Military Litters, Peak Pressure Index, Total Surface Area
- Trial name
- NCT03483623
- Testing
- NATO WELP combination, NATO FIS combination, RAVEN WELP combination
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- David Grant U.S. Air Force Medical Center
Bleeding
Assessment of Limb Perfusion During Junctional Tourniquet
The goal of this study is to use contrast enhanced ultrasound to determine the degree to which flow is reduced during application of a junctional tourniquet (JT).
- Trial name
- NCT02092415
- Testing
- Application of a Junctional Tourniquet
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Anesthesia
Clonidine Added Lidocaine in Intraocular Pressure and Hemodynamics Ocular in Sub-Tenon's and Peribulbar Anesthesia
Regional anesthesia in orbit can reduce ocular blood flow, increase in intraocular pressure (IOP) or the pharmacological action of local anesthetics.
- Trial name
- NCT02733757
- Testing
- Clonidine
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais
Emphysema
Hypoxic Pulmonary Vasoconstriction Pilot Study
The purpose of this study is to determine if the events leading to smoking-associated centrilobular and paraseptal emphysema are caused by a failure of the lungs' inherent mechanisms to block hypoxic pulmonary vasoconstriction…
- Trial name
- NCT03733470
- Testing
- Sildenafil study group
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Eric A. Hoffman
Coronary Artery Disease
Development and Translation of Generator-Produced PET Tracer for Myocardial Perfusion Imaging-Dosimetry Group
This study is a single center, early phase 1 clinical imaging study designed to assess the dosimetry of 68Ga-Galmydar for PET/CT imaging.
- Trial name
- GALMYDAR (NCT05280782)
- Testing
- Ga-68 Galmydar
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
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
Poor Peripheral Perfusion
Magnetic Resonance Imaging (MRI) to Assess Radial Artery Compression and Arterial Perfusion While TR Band is Applied
Subjects' radial artery diameters and plethysmography waveforms will be recorded by MRI and pulse oxymetry at varying levels of radial artery compression by the Terumo TR Band.
- Trial name
- NCT02478671
- Testing
- TR Band
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Terumo Medical Corporation
Healthy Brain Perfusion
Improving Human Cerebrovascular Function Using Acute Intermittent Hypoxia
This study uses magnetic resonance imaging to determine whether 3 weeks of repeated exposure to Acute Intermittent Hypoxia can improve brain blood flow or blood flow regulation in healthy adults.
- Trial name
- NCT05164705
- Testing
- Acute Intermittent Hypoxia
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Vascular Stiffness, Insulin Sensitivity
Effect of Hyperglycemia on Microvascular Perfusion in Healthy Adults
The investigators are studying the effects of Hyperglycemia on vascular function and insulin sensitivity on healthy adults
- Trial name
- EJB050 (NCT03520569)
- Testing
- Octreotide, Insulin, Dextrose 20% solution
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Insulin Resistance
Insulin Resistance in Adolescents
The growing population of adolescents with insulin resistance (IR) is predicted to create a large public health burden in the next few decades.
- Trial name
- NCT04089332
- Testing
- Oral Glucose Tolerance Test (OGTT), 3 Tesla MRI, Intravenous Catheter
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Myocardial Blood Flow Reserve
Characterization of Myocardial Blood Flow Measurements Using Lexiscan®™ (Regadenoson) (Lexiscan®™) Rubidium-82 Myocardial Perfusion PET: A Temporal-Dependency Investigation
The purpose of this study is to evaluate the consistency of quantitative peak stress myocardial blood flow and myocardial blood flow reserve following a 10 second, 1 minute, 2 minute or 4 minute delay in beginning the rubidium-82…
- Trial name
- NCT01919450
- Testing
- Regadenoson, Rubidium-82
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Timothy M. Bateman, MD
Hypertension, Heart Failure
LSFG-SKIN, Laser Speckle Flowgraphy
The purpose of this project is to quantify normal and abnormal skin blood flow regionally in different areas of the body(face, extremities, over burns and wounds) at baseline and over time in response to treatment or…
- Conditions
- Hypertension, Heart Failure, Vascular Ischemia, Burns
- Trial name
- NCT03660618
- Testing
- laser speckle flowgraphy
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Type 2 Diabetes Mellitus
Enhancement of Cerebral Vasoreactivity and Cognition by Intranasal Insulin in Type 2 Diabetes
Our goal is to determine the acute effects of intranasal insulin on regional perfusion and cognition of older adults. We propose a pilot study to examine the effect of a single dose of intranasal insulin on regional…
- Trial name
- NCT01206322
- Testing
- Intranasal insulin
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
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
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
Heart Failure, Diastolic, Diastolic Heart Failure
Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF
Unlike heart failure with reduced ejection fraction (HFrEF) where several medicines and devices have been demonstrated to reduce mortality, no such therapies have been identified in HFpEF.
- Conditions
- Heart Failure, Diastolic, Diastolic Heart Failure, Hypertension
- Trial name
- HFpEF-PRoF (NCT02589977)
- Testing
- regadenoson
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Marvin W. Kronenberg, M.D.
Aging
Muscle Perfusion and Protein Metabolism in Elderly
The purpose of this study was to examine the role skeletal muscle perfusion plays in mediating muscle protein synthesis in healthy older and younger individuals.
- Trial name
- NCT00945256
- Testing
- Aerobic Exercise, Sodium Nitroprusside, Amino Acid Drink
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Coronary Artery Disease, Ischemic Heart Disease
Volatilome and Single-Lead Electrocardiogram Optimize Ischemic Heart Disease Diagnosis Using Machine Learning Models
This is a prospective, case-control, single-center, observational, non-randomized study. It is designed to evaluate the diagnostic accuracy of functional tests involving physical exertion monitored via a 12-lead ECG, combined…
- Conditions
- Coronary Artery Disease, Ischemic Heart Disease, Chronic Coronary Disease, Angina Pectoris
- Trial name
- NCT06181799
- Testing
- Mass spectrometry using the PTR TOF-1000 (IONICON PTR-TOF-MS - Trace VOC Analyzer, Eduard-Bodem-Gasse 3, 6020 Innsbruck, Austria (Europe).
- Where
- Russia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University