Clinical trials: Blood Flow
Aging Well
Effects of Acute Exercise Intensity on Cerebral Blood Flow and Cognitive Function in Older Adults
This study will analyze the influence of acute bout exercise intensities (continuous moderate and HIIT) on middle cerebral artery velocity (MCAv) to identify which intensity elicits the greatest increase in CBF in older adults…
- Trial name
- NCT05131217
- Testing
- Acute bout of Continuous Moderate Intensity Exercise, Acute bout of High Intensity Interval Training, Control
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Cardiovascular Diseases, Hypertension
The Impact of Goode Health Beverage on Markers of Physiological and Neurocognitive Health
The overall research objective of this proposal is to determine the acute and chronic impact of daily supplementation of a Good Health beverage on indices of physiological and neurocognitive health.
- Conditions
- Cardiovascular Diseases, Hypertension, Cognitive Decline, Diet, Healthy
- Trial name
- NCT06245382
- Testing
- Goode Health Beverage, Vanilla Base Beverage Blend
- Where
- 2 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Pregnancy Related
The Acute Effect of Physical Exercise in Pregnancy
The goal of this crossover clinical trial is to investigate the acute physiological effect of exercise on the uterine and fetal blood flow in pregnancy.
- Trial name
- NCT06565182
- Testing
- Exercise
- Where
- Belgium
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University Hospital, Antwerp
Aging
Mechanisms of Impaired Brain Blood Flow With Aging
Aging is the primary risk factor for Alzheimer's disease (AD), which is a rapidly growing public health concern. Understanding the mechanisms of normal brain aging may provide insight into the factors linking advancing age to…
- Trial name
- NCT03775382
- Testing
- Ascorbic Acid, Normal Saline
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Central Line Associated Bloodstream Infections (CLABSI), Bone Marrow Transplant
Parafilm to Prevent CLABSI in Pediatric Patients Undergoing HCT
The purpose of this study is to see if applying parafilm as an external barrier on the central line in children having a bone marrow transplant helps to prevent central line associated bloodstream infection(s) and also to assess…
- Trial name
- NCT02575079
- Testing
- Parafilm
- Where
- United States
- Volunteers
- 119 people
- Sponsor
- Emory University
Acute Ischemic Stroke
Intra-arterial Methylprednisolone After Successful Endovascular Thrombectomy Anterior Circulation Large Vessel Occlusion
The purpose of IMPACT-LVO trial is to investigate the efficacy and safety of early adjunctive intra-arterial combined with intravenous administration methylprednisolone sodium succinate after successful endovascular thrombectomy…
- Trial name
- IMPACT-LVO (NCT07141303)
- Testing
- The methylprednisolone sodium succinate
- Where
- China
- Volunteers
- 1,060 people
- Sponsor
- Tang-Du Hospital
Enteral Feeding, Nasogastric Feeding
Effects of Bolus and Continuous Nasogastric Feeding on Small Bowel Water Content and Blood Flow
Following surgery some patients are unable to swallow. For those requiring nutritional support a tube is sometimes passed through the nose into the stomach to provide feeding.
- Conditions
- Enteral Feeding, Nasogastric Feeding, Diarrhoea
- Trial name
- NCT01557673
- Testing
- NG bolus feeding over 5 min, Continuous NG feeding over 4 h
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Blood Vessel Disease, Muscle Edema
The Influences of Single Chamber vs. Multi-chamber Blood Flow Restriction Cuffs
The purpose of this study is to investigate the use of single (SC) and multi-chamber (MC) blood flow restriction (BFR) cuff exercise on indices of arterial stiffness, muscle morphology, and participant perception.
- Trial name
- NCT06276673
- Testing
- Delfi
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Salisbury University
Persistent Pulmonary Hypertension of the Newborn
Remodulin as Add-on Therapy for the Treatment of Persistent Pulmonary Hypertension of the Newborn
This study assessed the safety and treatment effect of intravenous (IV) Remodulin as an add-on therapy in neonates with persistent pulmonary hypertension of the newborn (PPHN).
- Trial name
- NCT02261883
- Testing
- IV Remodulin
- Where
- 14 sites in United States
- Volunteers
- 42 people
- Sponsor
- United Therapeutics
End-stage Heart Failure, Left Ventricular Assist Device
LVAD Index and Clinical Outcomes in Continuous-Flow LVAD Patients
This single-center, observational study evaluated the LVAD index, defined as device-estimated pump flow divided by body surface area, in adult patients supported with continuous-flow left ventricular assist devices.
- Conditions
- End-stage Heart Failure, Left Ventricular Assist Device, Mechanical Circulatory Support
- Trial name
- LVAD-INDEX (NCT07633535)
- Testing
- HeartWare Ventricular Assist Device, HeartMate 3 Left Ventricular Assist Device
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people
- Sponsor
- Gaziantep City Hospital
Oral Cancer, Head and Neck Cancer
Assessment of the Effects of Pressors on Graft Blood Flow After Free Tissue Transfer Surgery
Following surgery to remove tumours of the head and neck, patients undergo reconstruction with free flaps - tissue that is taken from elsewhere in the body and given a new blood supply by attaching it to vessels in the neck.
- Conditions
- Oral Cancer, Head and Neck Cancer, Free Flap, Hypotension
- Trial name
- Free4Flow (NCT01418118)
- Testing
- Epinephrine, Norepinephrine, Dobutamine
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Oxford University Hospitals NHS Trust
Sedentary Behavior, Peripheral Circulation
Buerger-Allen Exercises and Peripheral Circulation in Sedentary Office Workers
This study aims to evaluate the acute effects of Buerger-Allen exercises on lower extremity circulation in sedentary office workers.
- Conditions
- Sedentary Behavior, Peripheral Circulation, Vascular Function
- Trial name
- BAE-CIRC (NCT07588893)
- Testing
- Buerger-Allen Exercise Program
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Istanbul Gelisim University
Hemophilia
Blood Flow Restriction in Improving Muscle Strength of Patients With Hemophilic Ankle Arthropathy
Background. The main physical sequela of patients with hemophilia is the development of a progressive, degenerative intra-articular lesion, known as hemophilic arthropathy).
- Trial name
- NCT06261593
- Testing
- Blood flow restriction
- Where
- Spain
- Volunteers
- 31 people
- Sponsor
- Investigación en Hemofilia y Fisioterapia
Hypoxia, Altitude, Brain
The Cerebral Hemodynamic and Cognitive Effects of Acute Resveratrol Administration in Young, Healthy Adults at Stimulated Altitude.
Background: Vaso-active polyphenols have been proposed to enhance cognitive performance. Oral administration with the non-flavonoid polyphenol, resveratrol, has been found to modulate cerebral blood flow (CBF); yet, this has not…
- Trial name
- NCT03541993
- Testing
- Resveratrol
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Body Image, Physical Activity
Pregnant Elite Athletes and Pregnant Women Exercising With Moderate Intensity
The aim of this study is to 1. register possible changes to uteroplacental circulation in relation to physical tests, 2. to register energy and nutritional intake, relationship towards the body during pregnancy and during the…
- Conditions
- Body Image, Physical Activity, Exercise, Energy Intake
- Trial name
- NCT05042349
- Where
- Norway
- Volunteers
- healthy volunteers welcome
- Sponsor
- Norwegian School of Sport Sciences
Prostate Cancer
Hydroxyethyl Starch and Renal Function After Radical Prostatectomy
The purpose of this project is to investigate if hydroxyethyl starch (HES) is potential nephrotoxic and examine the effects on the circulation and kidneys during administration of HES during surgery.
- Trial name
- VORA (NCT01486563)
- Testing
- Voluven (Hydroxyethyl starch 130/0,4), Sodium Chloride 9 mg/ml
- Where
- Denmark
- Volunteers
- 40 people
- Sponsor
- Regional Hospital Holstebro
Glucose, Insulin
Does Passive Movement Increase Glucose Uptake Into Muscle?
This study aims to examine the blood sugar response after a meal, and how three different movement protocols may impact the blood sugar level. Participants will visit the lab on three different occasions.
- Conditions
- Glucose, Insulin, Blood Flow Restriction Therapy, Blood Flow Velocity
- Trial name
- NCT06704126
- Testing
- Passive movement, Passive movement with blood flow restriction
- Where
- United Kingdom
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Lancaster University
Bacteremia Caused by Gram-Negative Bacteria
Ceftolozane-tazobactam Versus Meropenem for ESBL and AmpC-producing Enterobacterales Bloodstream Infection
The purpose of this study is to determine whether ceftolozane-tazobactam is as effective as meropenem with respect to 30 day mortality in the treatment of bloodstream infection due to third-generation cephalosporin…
- Trial name
- MERINO III (NCT04238390)
- Testing
- Ceftolozane-Tazobactam, Meropenem
- Where
- 29 sites in Australia, Italy and 3 more
- Sponsor
- The University of Queensland
Cognitive Function, Mood
Cognitive and Cerebral Blood Flow Effects of 2-week Caffeine Abstinence or Maintenance
The purpose of this study is to determine the effects of 2 weeks caffeine abstinence as compared to 2 weeks caffeine maintenance (300mg per day)on cognition and mood.
- Conditions
- Cognitive Function, Mood, Cerebral Haemodynamics, Caffeine Withdrawal
- Trial name
- NCT01376882
- Testing
- Caffeine
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Dilated Cardiomyopathy, Thrombosis Cardiac
Intraventricular Stasis In Cardiovascular Disease
This study is designed to quantify the ventricular stasis in patients with different forms of cardiomyopathy and at risk of stroke (ischemic, non-ischemic dilated cardiomyopathy and hypertrophic cardiomyopathy) by post-processing…
- Conditions
- Dilated Cardiomyopathy, Thrombosis Cardiac, Stroke, Hypertrophic Cardiomyopathy
- Trial name
- ISBIFLOW (NCT04649034)
- Testing
- Doppler echocardiogram exam, Cardiac magnetic resonance, Brain magnetic resonance
- Where
- 3 sites in Spain
- Volunteers
- 258 people
- Sponsor
- Hospital General Universitario Gregorio Marañon