Clinical trials: Blood Flow
Baro-reflex Sensitivity, Heart Rate Variability
Low Intensity Exercise in Different Normobaric/Hypobaric Normoxic/Hypoxic Conditions.
The main goal of this project is to investigate how low intensity cycling exercise (1.5W/kg, for 6 minutes) influences cerebral functions, such as: Cerebral blood flow, oxygenation, and other physiological variables in different…
- Conditions
- Baro-reflex Sensitivity, Heart Rate Variability, EEG, Microstates, Cerebral Blood Flow Regulation
- Trial name
- Hypoxia (NCT03439202)
- Testing
- Hypoxia
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fliegerärztliches Institut
Pulmonary Hypertensive Crisis
Effects of Saline on Circulation in Children
Pulmonary hypertensive crisis is a life-threatening condition, in which the blood pressure in the pulmonary artery, vein, and capillaries.
- Trial name
- NCT01668277
- Testing
- 7.2% NaCl, 0.9% NaCl
- Where
- 2 sites in Canada
- Volunteers
- 15 people
- Sponsor
- The Hospital for Sick Children
Coronary Artery Disease (CAD)
Predicting Plaque Growth Using Blood Flow Stress Markers: A Proof-of-Concept Study
Coronary artery disease occurs when fatty deposits (plaques) build up inside the arteries that supply blood to the heart. Some plaques remain stable, while others continue to grow or become more likely to rupture, which can lead…
- Trial name
- POSSEM (NCT07864051)
- Testing
- PCCTA scan, Endothelial cell isolation from peripheral blood sample
- Where
- United Kingdom
- Volunteers
- 270 people
- Sponsor
- Queen Mary University of London
Peripheral Vascular Disease
Lower Extremity Regional Anesthesia and Infrainguinal Bypass Grafting
In this investigation, the investigators will attempt to demonstrate that patients who have received nerve blocks (regional anesthesia) prior to open surgical vascular bypass of the lower extremities (infrainguinal bypass…
- Trial name
- NCT01803165
- Testing
- Single shot femoral and sciatic nerve block
- Sponsor
- University of Nebraska
Healthy Individuals
Effects of Exercises Combined With Blood Flow Restriction in Healthy Individuals
Purpose of the study is; to investigate the effect of exercises combined with blood flow restriction on strength, proprioception and functional motor performance in healthy individuals.
- Trial name
- NCT03401567
- Testing
- Exercise group
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Dokuz Eylul University
Retinopathy of Prematurity (ROP)
VEGF In Systemic Circulation Of ROP-infants
The purpose of this study is to measure systemic levels of vascular endothelial growth factor (VEGF) and other proteins (e.g. IGF-1) in the systemic circulation of infants with retinopathy of prematurity (ROP) following ocular…
- Trial name
- NCT01470430
- Where
- Germany
- Sponsor
- University Hospital Freiburg
Regional Blood Flow
Choroidal Blood Flow and Progression of Age-Related Macular Degeneration in the Fellow Eye in Patients With Unilateral Choroidal Neovascularisation
Age-related macular degeneration (AMD) is the chief cause of severe and irreversible loss of vision in developed countries. The prevalence of AMD increases dramatically with age.
- Trial name
- NCT00808197
- Testing
- ocular blood flow measurement
- Where
- Austria
- Volunteers
- 41 people
- Sponsor
- Medical University of Vienna
Ischemic Stroke, Acute, Thrombectomy
CO2 Modulation in Endovascular Thrombectomy for Acute Ischemic Stroke
Acute ischemic stroke due to large vessel occlusion is responsible of cerebral blood flow impairment with a progressive and extensive ischemic process.
- Conditions
- Ischemic Stroke, Acute, Thrombectomy, Anesthesia, General, Cerebrovascular Circulation
- Trial name
- COMET-AIS (NCT05051397)
- Testing
- HYPERCAPNIA, NORMOCAPNIA
- Where
- France
- Volunteers
- 50 people
- Sponsor
- University Hospital, Clermont-Ferrand
Vascular Disease, Critical Lower Limb Ischemia
Pilot Study of Hemospan® in Patients With Chronic Critical Limb Ischemia
The purpose of this study is to evaluate the effects of Hemospan infusion on vascular reactivity, regional perfusion and oxygenation of ischemic tissue in patients with chronic critical lower limb ischemia.
- Trial name
- NCT00633659
- Testing
- Hemospan (MP4OX), Voluven (HES 130/0.4)
- Where
- Sweden
- Volunteers
- 6 people
- Sponsor
- Sangart
Sub-acute Non-specific Low Back Pain
Low Load Blood Flow Restriction Training Versus Traditional Heavy Load Resistance Training in Male Athletes With Sub-acute Non-specific Low Back Pain
his randomized clinical trial aims to compare the effects of low-load blood flow restriction (LL-BFR) training and traditional heavy-load resistance training (HL-RT) on male athletes with sub-acute non-specific low back pain.
- Trial name
- NCT07480759
- Testing
- Low Load Blood Flow Restriction Training (LL-BFR), Traditional Heavy Load Resistance Training (HL-RT)
- Where
- Pakistan
- Volunteers
- 64 people
- Sponsor
- University of Lahore
Staphylococcus Aureus Bacteremia, Staphylococcus Aureus Endocarditis
Direct Lysis of Staph Aureus Resistant Pathogen Trial of Exebacase
The purpose of this superiority study is to evaluate the efficacy and safety of exebacase in addition to standard of care antibiotics (SoCA) compared with SoCA alone for the treatment of patients with Staphylococcus aureus (S.
- Trial name
- DISRUPT (NCT04160468)
- Testing
- Exebacase
- Where
- 55 sites in United States
- Volunteers
- 259 people
- Sponsor
- ContraFect
Alzheimer's Disease
Statins in Cerebral Blood Flow and Neuronal Activity--A Pilot Study
Specific Aim: Demonstrate that statins have an effect on cerebral blood flow and neuronal activity
- Trial name
- NCT03411291
- Testing
- MRI, MR Spectroscopy, MR Perfusion
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Cedars-Sinai Medical Center
Functional Magnetic Resonance Imaging
A Study of Two Methodologies for Measuring Blood Flow in the Brain in Response to Non-Drug Stimuli (P08085/MK-0000-180)
This study will identify a dose of ferumoxytol that can reliably detect changes in blood flow/volume in response to non-drug stimuli.
- Trial name
- NCT01244282
- Testing
- fMRI with sensory stimulation
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Blood Flow Restriction
Acute BFR Training Effects on Balance and Proprioception
Blood Flow Restriction Training (BFR) is a technique applied using a cuff or tourniquet to restrict venous return while maintaining arterial blood flow during exercise.
- Trial name
- NCT07309068
- Testing
- BFR, Proprioceptive Exercise Training
- Where
- Turkey (Türkiye)
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Biruni University
Heart Failure
Effect of Exercise-based Rehabilitation on Circulatory Functions in Patients With Diastolic Heart Failure
The purpose of this study is to investigate how exercise-base rehabilitation influences circulatory functions in patients with diastolic heart failure (DHF).
- Trial name
- NCT01053091
- Testing
- exercise
- Where
- Taiwan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Mechanical Circulatory Support
BRAIN-HEART Ultrasound Study Normative Values for Transcranial Doppler Based Cerebral Blood Flow Assessment
There is a dire need to establish normative values for transcranial Doppler(TCD) derived cerebral blood flow parameters for each type of Mechanical circulatory support (MCS) device and explore the relationship between the MCS…
- Trial name
- MCS (NCT05924503)
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Wake Forest University Health Sciences
Carotid Endarterectomy, Percutaneous Transluminal Angioplasty
Study of Blood Flow Changes and Microemboli During Carotid Surgery
The purpose of this study is to determine the clinical and radiologic implications of the intraoperative microemboli during carotid revascularization.
- Conditions
- Carotid Endarterectomy, Percutaneous Transluminal Angioplasty, Cognitive Aspects, Diffusion Weighted MRI
- Trial name
- NCT01343615
- Testing
- carotid stenting, carotid endarterectomy
- Where
- Brazil
- Volunteers
- 40 people
- Sponsor
- University of Campinas, Brazil
Paracentesis-Induced Circulatory Dysfunction
Low-dose Albumin Infusion for the Prevention of Paracentesis Induced Circulatory Dysfunction (PICD), After Large Volume Paracentesis (LVP) in Decompensated Cirrhosis Liver.
Abstract for thesis protocol. Background: Paracentesis induced circulatory dysfunction (PICD) is a common complication of large volume paracentesis in cirrhotic patients, which can lead to renal impairment, hyponatremia, and…
- Trial name
- PICD LVP (NCT06892535)
- Testing
- Albumin infusion, 2g/L of ascitic fluid aspiration.
- Where
- Bangladesh
- Volunteers
- 52 people
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Critical Illness, Pediatric Critical Illness
Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children
This study uses a non-invasive (external) ultrasound test called Transcranial Doppler (TCD) to measure how blood flows through the major arteries of the brain of children receiving care in the Pediatric Intensive Care Unit…
- Conditions
- Critical Illness, Pediatric Critical Illness, Respiratory Failure, Traumatic Brain Injury
- Trial name
- NCT07613918
- Testing
- Transcranial Doppler
- Where
- United States
- Volunteers
- 125 people
- Sponsor
- University of Wisconsin, Madison
Central Line-associated Bloodstream Infection (CLABSI)
Port Protectors for Prevention of CLABSIs in Respiratory Semi-intensive Care Unit
Central Line-Associated BloodStream Infections (CLABSIs) are responsible for many deaths in the United States annually. Several collaboratives have demonstrated the preventability of these infections.
- Trial name
- NCT03486093
- Testing
- Training and retraining to GAVECELT "bundle" recommendations plus port protector, Training and retraining to GAVECELT "bundle" recommendations
- Volunteers
- 132 people
- Sponsor
- Catholic University of the Sacred Heart