Clinical trials: Blood Circulation Disorder
Drop Foot
The Investigators Are Comparing Lidocaine and Papaverine Nerve Blocks to Determine Which Improves Blood Flow Better, Making the "Phoenix Sign" Clearer on Imaging. This Helps Accurately Diagnose Nerve Compression, Improving Patient Care
This pilot study aims to investigate the effects of nerve blocks in patients with diabetic peripheral neuropathy through a double-blinded, randomized trial involving 4 patients.
- Trial name
- NCT06919289
- Testing
- Infiltration of papaverine, Lidocaine infiltration
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- US Neuropathy Centers
Sexual Dysfunction, Physiological
Effect Of Menstrual Cycle On Vaginal Blood Flow In Pre-Menopausal Healthy Women.
The Pfizer developed Heat Wash-Out (HWO) system is a software controlled electromechanical system designed to measure vaginal wall blood flow. A small vaginal probe is attached to a control unit. Output data is collected on a PC.
- Trial name
- HWO VBF (NCT00443027)
- Testing
- Vaginal Heat Wash-Out Device
- Where
- 2 sites in Australia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Pfizer
Age Related Macular Degeneration, Glaucoma
Prospective Study Phase: Retinal Oxygen Saturation, Blood Flow, Vascular Function and High Resolution Morphometric Imaging in the Living Human Eye
Canadians fear loss of vision more than any other disability. Vision loss has an enormous impact on quality-of-life and is extremely costly from a societal and economic perspective.
- Conditions
- Age Related Macular Degeneration, Glaucoma, Diabetic Retinopathy.
- Trial name
- NCT01348672
- Where
- Canada
- Volunteers
- 381 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Genetic Polymorphism, Macular Degeneration
Does Complement Factor H Gene Polymorphism Play a Role in the Regulation of Vascular Tone in the Choroid?
Age related macular degeneration (AMD) is a multifactorial disease with a strong genetic component. Most importantly a genetic polymorphism in the gene encoding for the complement factor H (CFH) has been recently identified which…
- Conditions
- Genetic Polymorphism, Macular Degeneration, Regional Blood Flow, Ocular Physiology
- Trial name
- NCT00708929
- Testing
- Squatting
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Diabetes, Obesity
Brain Blood Flow and Lactate in Non-obese and Obese Subjects
Cerebral blood flow (CBF) is essential for maintaining brain health and function, as it ensures delivery oxygen and nutrients necessary to support neuronal activity.
- Trial name
- NCT06791837
- Testing
- EXERCISE
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Concussion
Vascular Assessment of Regulation Index Arrays Registry
The objective of this patient registry is to collect and analyze physiological data associated with baseline and brain injury identified in standard clinical practice (Normal Values, Recovery Curves, Correlation between Symptoms…
- Trial name
- VARIA (NCT02435082)
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- NeuroChaos Solutions, Inc.
Neonatal Respiratory Distress
Effect of Antenatal Steroid on Pulmonary Artery Blood Flow
The aim of this study is to determine the effect of administering antenatal steroids in term fetuses on the blood flow in the fetal pulmonary artery, and to correlate these findings with clinical data obtained after birth…
- Trial name
- NCT02978976
- Testing
- Betamethasone, saline
- Where
- Egypt
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Cardiovascular Diseases, Hypertension
The Impact of KETO5 XOGenius Beverage on Markers of Physiological and Neurocognitive Health
The primary objectives of this application are to 1) investigate the effect of increased daily consumption of the Keto5 XOGenius beverage on outcomes associated with elevated risk for various neurocognitive and pathophysiological…
- Conditions
- Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet
- Trial name
- NCT06318390
- Testing
- XO Genius
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Cerebral Desaturation, Cerebral Ischemia
Assessment of Cerebral Blood Flow Asymmetry in Cardiac Surgery Patients Undergoing Hypothermic Circulatory Arrest
Cerebral oxygen desaturation during cardiac surgery measured using near infrared spectroscopy (NIRS) derived cerebral oximetry has been associated with significant postoperative morbidity.
- Trial name
- COASTLINE (NCT03215589)
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Hypertension
Neural Mechanism of Aldosterone-induced Insulin Resistance
Patients with high aldosterone hormone have higher blood glucose than normal people. This study is being done to understand how aldosterone hormone affects the nerve activity that controls blood flow in the muscles and blood…
- Trial name
- NCT02102243
- Testing
- DEFINITY® infusion, Human Recombinant Regular Insulin infusion, Dextrose infusion
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Wanpen Vongpatanasin
Cardiovascular Diseases, Blood Pressure Disorders
Effect of Korean Red Ginseng Extract on Blood Flow in Healthy Adults
The objectives of this clinical trial are to 1) determine the effect of the TP compared to placebo on blood flow and platelet aggregation, 2) to determine the effect of the TP on cardiovascular health compared to a placebo and 3)…
- Conditions
- Cardiovascular Diseases, Blood Pressure Disorders, Vasodilation, Platelet Aggregation
- Trial name
- NCT06236243
- Testing
- Korean Red Ginseng Extract Powder 120 mg/tablet, Korean Red Ginseng Extract Powder 500 mg/tablet
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Korea Ginseng Corporation
Postural Orthostatic Tachycardia Syndrome (POTS), Healthy
POTS-FLOW: Interplay Between Gut Hormones and Autonomic Postprandial Blood Flow Regulation in Patients With POTS
This study will describe the interplay between the gut hormones GIP and CCK and their regulation of blood flow to the large vessels in patients with Postural Orthostatic Tachycardia Syndrome (POTS) and GIP, CCK and GLP-1 in…
- Trial name
- GA22 (NCT07019519)
- Testing
- GIPR antagonist, GLP-1R antagonist, CCK agonist
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Type 2 Diabetes, Blod Pressure
Vasodilatory and Metabolic Effects of Glucagon-like Peptide-1 in Periphery Circulation in Patients With and Without Type 2 Diabetes Mellitus
Diabetes and high blood pressure are risk factors for developing heart disease. An increase in the number of diabetes patients is expected.
- Conditions
- Type 2 Diabetes, Blod Pressure, Glucagon-like Peptide-1, Human Physiology
- Trial name
- NCT01689051
- Testing
- human glucagon-like peptide 1 (7-36)amide, human glucagon-like peptide 1 (9-36)amide
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gentofte, Copenhagen
Healthy Volunteers
Intraosseous Doppler Ultrasonography to Study Skeletal Physiology: Exploratory Study Before Use in Space Physiology
Use of intraosseous Doppler ultrasonography to study skeletal physiology ("Echo-Os Study"). Exploratory study before its use in space physiology. Bones have a complex vascular network providing nutrients and oxygen to bone cells.
- Trial name
- Echo-Os (NCT06206031)
- Testing
- Intraosseous ultrasonography at tibia before, during, and after a physiological vascular stimulation (venous occlusions, arterial occlusion, handgrip)
- Where
- 2 sites in France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Angers
Glaucoma
Blood Flow Regulation in Glaucoma
Glaucoma is one of the leading causes for blindness in industrialized countries. It is characterized by a progressive loss of retinal ganglion cells, morphological changes in the optic nerve head and a characteristic loss of…
- Trial name
- NCT02292381
- Testing
- Isometric exercise
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Peripheral Artery Disease
FlowMet-R Blood Flow Measurement for the Diagnosis of Peripheral Artery Disease and Critical Limb Ischemia
Non-randomized, multi-center, longitudinal study of healthy subjects and subjects with PAD who are scheduled for ABI, TBI, and either Duplex Ultrasound or Angiographic assessments in a vascular clinic.
- Trial name
- NCT04120610
- Testing
- FlowMet-R, ABI, TBI
- Where
- 5 sites in United States
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- Medtronic Endovascular
Cerebral Arterial Diseases
Human Cerebral Blood Flow Regulation
To determine cerebrovascular control mechanisms in humans and provide mechanistic knowledge to offer new sex-specific therapeutic options for cerebrovascular diseases.
- Trial name
- Gas Challenge (NCT04265053)
- Testing
- Indomethacin 25 MG/50 MG
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Shoulder Pain, Bone Mineral Density
BFR After Bicep Tenodesis
A randomized controlled pilot study evaluating the effect of occlusion training on bone density and function of the upper extremity following a biceps tenodesis.
- Conditions
- Shoulder Pain, Bone Mineral Density, Muscle Strength
- Trial name
- NCT03437239
- Testing
- Delfi PTS II Portable Tourniquet System
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Brooke Army Medical Center
Blood Circulation Disorder, Deep Vein Thrombosis
CEFID-I (CEra Flow Improves DVT-1)
The study is a single center clinical trial to evaluate the efficacy and safety of blood circulation improvement using an investigational medical device, which is a product on the market and it's name is Ceragem Master V6, for…
- Trial name
- NCT05469282
- Testing
- Blood circulation device
- Where
- South Korea
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Ceragem Clinical Inc.
COPD
The Acute Cardiorespiratory Response to Blood-flow Restricted Versus Traditional Exercise Training Regimens (CaRe BFR)
The investigators hypothesize that BFR exercise regimens result in a different acute cardiorespiratory response pattern compared to traditional exercise regimens.
- Trial name
- CaRe-BFR (NCT05163600)
- Testing
- BFR-CYC 50% peak / 50% AOP (exhaustive), BFR-CYC 3x2min, BFR Resistance 80% LOP
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Zurich