Clinical trials: Blood Flow
Coronary Arterial Disease (CAD), Angina (Stable)
The Effect of Sublingual Nitroglycerin on Absolute Coronary Blood Flow
The goal of this clinical trial is to investigate the effect of sublingual nitroglycerin on absolute coronary blood flow in adult patients undergoing coronary angiography.
- Trial name
- FLOW-NITRO (NCT06823843)
- Testing
- Glycerin trinitrate (GTN)
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- VZW Cardiovascular Research Center Aalst
Cognitive Decline
Investigate the Effect of Tart Montmorency Cherry Juice (Prunus Cerasus) on Cerebral Blood Flow and Cognitive Function
Scientific studies in humans suggest that diets high in fruit and vegetables may be able to improve some aspects of mental performance such as improving memory and reaction times.
- Trial name
- NCT02381860
- Testing
- 60mL tart Montmorency cherry juice
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Esophageal and Gastric Varices
Comparison of Endoscopic Band Ligation Plus 24-hour Versus 72-hour Terlipressin Therapy
In the Western world, liver cirrhosis is a significant issue. Acute variceal bleeding (AVB) is a considerable complication of cirrhosis associated with high mortality.
- Trial name
- NCT05331768
- Testing
- banding ligation plus terlipressin infusion
- Where
- Mexico
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Instituto Mexicano del Seguro Social
PCOS
Exogenous Ketone Supplementation in Females with Polycystic Ovary Syndrome
Polycystic ovary syndrome (PCOS) affects 1 in 5 females of reproductive age. Commonly characterized as a disorder of infertility, PCOS is often accompanied by 3 potent cardiovascular disease (CVD) risk factors: insulin…
- Trial name
- NCT06155708
- Testing
- Ketone, Water
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- McGill University
Hemodynamic Instability, Pain
Evaluation in 15 Participants of Blood Flow, Comfort and Efficiency, Using 1 vs 36 Hz Stimulation Via Textile Electrodes
Muscle contractions induced by calf low-intensity neuromuscular electrical stimulation (C-LI-NMES) can increase venous return and may reduce venous thromboembolism.
- Trial name
- TTE_PVV_1_36 (NCT06082297)
- Testing
- Chattanooga Physio, DJO, neuromuscular electrical stimulation
- Where
- Sweden
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Obesity, Endothelial Dysfunction
Effects of Body Mass Index on the Hyperemic Response to Regadenoson
We will test the hypothesis that a single dose of Regadenoson will produce equivalent degrees of coronary hyperemia in patients of widely different body size.
- Conditions
- Obesity, Endothelial Dysfunction, Decreased Vascular Flow
- Trial name
- NCT00859833
- Testing
- Adenosine, Regadenoson
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Utah
Older Adults, Balance, Dance
Dance and Blood Flow Restriction as Balance Training for Older Women
Falls are one of the leading causes of hospitalization and mortality among older adults (aged 65+) in Canada. Falls result from postural instability following age-related declines in muscle strength which begin in the 5th decade…
- Conditions
- Older Adults, Balance, Dance, Blood Flow Restriction (BFR) Training Effects, Telehealth
- Trial name
- NCT07011784
- Testing
- Blood flow restriction in combination with dance classes, Dance classes alone
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Concordia University, Montreal
Kidney Diseases
The Effects of Glucagon on Renal Regional Blood Flow in Humans Measured by Magnetic Resonance.
This study will investigating the effects of glucagon on renal blood flow in humans using MRI technology. Glucagon, a hormone produced by the pancreas, plays a key role in regulating blood sugar levels.
- Trial name
- NCT06872060
- Testing
- Glucagon, Glucagon+Exendin9-39, Sodium chloride
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Asymptomatic Condition
Instrument Assisted Soft Tissue Mobilization Effect on Blood Flow
This study is designed to evaluate the short term change in blood flow in the superficial human tissue layers after the application of 3 min Graston instrumented assisted soft tissue mobilization on the plantar aspect of the foot…
- Trial name
- NCT04785079
- Testing
- Graston Instrument assisted Soft tissue Mobilization
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Florida Gulf Coast University
Retinal Blood Flow
Measurement of Total Retinal Blood Flow and Oxygen Extraction in Patients With Diabetes and Healthy Subjects
The prevalence of diabetes and diabetes-associated complications is still increasing. Several major long-term complications of diabetes such as cardiovascular disease, chronic renal failure, diabetic retinopathy and others relate…
- Trial name
- NCT03552562
- Testing
- Fourier Domain Color Doppler Optical Coherence Tomography (FDOCT)
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Prostate Cancer
Study to Monitor the Effects of Androgen Suppression Treatment on the Heart
Suppression of effects of androgens with male sex hormones, androgen suppression treatment (AST), has been known to reduce deaths and prolong life in advanced prostate cancer.
- Trial name
- AST (NCT01230905)
- Testing
- PET scan and ultrasound
- Where
- Canada
- Volunteers
- 181 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Coronary Vasospasm
Effect of Glucose on Ocular Blood Flow
The primary objective is to assess the effect of glucose on retinal vascular diameter in otherwise healthy vasospastic subjects compared to non-vasospastic controls.
- Trial name
- NCT00350129
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Hypertrophy
High Intensity Resistance Training Combined With Blood Flow Restricted Exercise in Elite Handball Players
Purpose of the study is: to investigate the effects of 8 weeks intervention of high intensity resistance training(HIRT) combined with Blood Flow Restricted Exercise (BFRE) compared to high intensity resistance training alone.
- Trial name
- NCT04750694
- Testing
- Resistance training
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Department of Public Health, Denmark
Brain Insulin Sensitivity, Brain Vascular Function
Effects of Ketone Monoesters on Brain Function
Disturbances in brain insulin-sensitivity are not only observed in obesity and type 2 diabetes (T2D), but also during brain aging and in dementia.
- Conditions
- Brain Insulin Sensitivity, Brain Vascular Function, Cerebral Blood Flow, Cognitive Performance
- Trial name
- NCT06395051
- Testing
- Ketone Monoester
- Where
- Netherlands
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Physical Activity, Aging
Independent Walking for Brain Health
Physical activity interventions with older adults can improve brain health; however most interventions have been performed in gym-like settings that reach a small sector of the senior population.
- Trial name
- NCT03058146
- Testing
- Mobile Health Walking Condition, Healthy Aging Education Condition
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Aging, Arterial Stiffness
Inorganic Nitrate Supplementation on Cerebrovascular Aging and Arterial Stiffness Study
This study investigates the effect of dietary inorganic nitrate supplementation on 1) large elastic artery stiffness and hemodynamics and 2) cerebrovascular function in middle-aged and older adults.
- Conditions
- Aging, Arterial Stiffness, Endothelial Dysfunction, Hypertension
- Trial name
- INCA (NCT03617302)
- Testing
- Experimental: Nitrate-containing
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Gary L. Pierce, PhD
Nicotine Dependence, Cigarettes
Acute Oral Effects of Heated Tobacco Products
Heated tobacco products (HTP) are devices which heat, but not burn tobacco. They do not produce cigarette smoke but rather an aerosol. HTPs are marketed as less harmful alternatives to smoking.
- Trial name
- NCT05538702
- Testing
- IQOS 3.0 DOU with bland taste unit (Heated Tobacco Product), IQOS 3.0 DUO with menthol taste unit (Heated Tobacco Product), Marlboro Gold (Conventional cigarette)
- Where
- Hungary
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Semmelweis University
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
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
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
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