Clinical trials: Circulatory Function
Healthy, Smokers
Effect of Whole Body Periodic Acceleration on Airway Endothelial Function
In the present proposal the investigators wish to assess the effect of a single session with the device known as Exer-Rest® which applies Whole Body Periodic Acceleration (WBPA) on baseline airway blood flow (Qaw) and in Qaw…
- Conditions
- Healthy, Smokers, Asthma
- Trial name
- NCT01213706
- Testing
- Whole Body Periodic Acceleration (WBPA)
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Miami
Fontan Circulation
The Effects of Sildenafil on Exercise Function and Capacity in Patients With Fontan Circulation
The study will test the hypothesis that a single dose of sildenafil can increase the exercise capacity of pediatric patients with a Fontan Circulation.
- Trial name
- NCT00964782
- Testing
- Sildenafil, Sildenafil 2
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
Heart Failure, Cardiomyopathies
The Impact of Zinc Supplementation on Left Ventricular Function in Nonischemic Cardiomyopathy
Heart failure affects over 5.3 million Americans and, while other cardiovascular diseases have enjoyed a reduction in mortality rates over the last decade, the mortality from heart failure continues to rise[1].
- Trial name
- NCT00696410
- Testing
- Zinc Acetate
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- University of Michigan
Congenital Heart Disease
Acute Effects of Inhaled Treprostinil in Fontan Patients
In this pilot study investigators propose to explore the effects of a locally delivered inhaled pulmonary vasodilator (inhaled treprostinil) on exercise performance, pulmonary blood flow, venous pressure response and vascular…
- Trial name
- NCT02769624
- Testing
- Treprostinil
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Mitral Stenosis With Insufficiency, Functional Mitral Regurgitation
AVJ-514 Japan Trial
The objective of the study is to confirm the reproducibility of the evidence of safety and efficacy of AVJ-514 System technology in Japanese subjects who have been deemed difficult for mitral valve surgery by the local site heart…
- Conditions
- Mitral Stenosis With Insufficiency, Functional Mitral Regurgitation, Mitral Insufficiency, Mitral Valve Incompetence
- Trial name
- NCT02520310
- Testing
- AVJ-514
- Where
- 6 sites in Japan
- Volunteers
- 30 people
- Sponsor
- Abbott Medical Devices
Stroke
Effects of Device-assisted Practice of ADL on Arm/Hand Recovery in Individuals With Moderate to Severe Stroke
A large number of post-stroke survivors cannot functionally use their paretic upper extremity (UE). This study therefore investigates effects of device-assisted practice of activities of daily living (ADL) in a close-to-normal…
- Trial name
- NCT04077073
- Testing
- ReIn-Hand, Robot
- Where
- 2 sites in United States
- Volunteers
- 53 people
- Sponsor
- Northwestern University
Cardiomyopathy, Renal Impairment
Study to Determine How Cialis Effects the Renal Function in Response to Volume Expansion in Preclinical Diastolic Cardiomyopathy (Aim3)
To determine the effect of 12 weeks of chronic PDEV inhibition with Tadalafil versus placebo on basal cardiorenal and humoral function and on the integrated cardiorenal and humoral response to acute sodium loading in subjects…
- Trial name
- Aim 3 (NCT02058095)
- Testing
- Tadalafil
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Mayo Clinic
Brain Injuries, Acute, Brain Injuries, Traumatic
Antiseizure Medication in Seizure Networks at Early Acute Brain Injury
The goal of this clinical trial is to explore the effect of FDA-approved antiseizure drugs in the brain connectivity patterns of severe and moderate acute brain injury patients with suppression of consciousness.
- Conditions
- Brain Injuries, Acute, Brain Injuries, Traumatic, Brain Ischemia, Brain Hypoxia
- Trial name
- NCT06081283
- Testing
- Phenobarbital Sodium Injection, Levetiracetam, Lacosamide Injectable Product
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of North Carolina, Chapel Hill
Aging
Dietary Nitrate and Physiological Aging
The main purpose/s of this study is to examine the effects of 4 weeks of dietary nitrate supplementation on peripheral chemoreceptor sensitivity, spontaneous baroreflex sensitivity, and blood pressure responsiveness to a variety…
- Trial name
- NCT02593305
- Testing
- Super Beets
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Darren P Casey
Atherosclerosis
Arterial Function and Atherosclerosis in Essential Thrombocythemia
The aim of the study is to examine (a) whether patients with JAK2 V617F positive ET in comparison to age-and sex-matched, apparently healthy control subjects show more advanced progression of arterial stiffness, pulse-wave…
- Trial name
- NCT03828422
- Testing
- imaging
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University Medical Centre Ljubljana
Thrombocytopenia, Myocardial Infarction
Aspirin in Patients With Myocardial Infarction and Thrombocytopenia
Primary Objective: To determine the risk of bleeding from ASA therapy in thrombocytopenic patients who develop Acute Coronary Syndrome (ACS), and assess its effect on the overall morbidity and mortality in these patients as well…
- Trial name
- NCT00501345
- Testing
- Aspirin
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- M.D. Anderson Cancer Center
Hypertension
Efficacy of Dietary Sodium Restriction of Improving Vascular Endothelial Function in Middle Aged and Older Adults
The investigators hypothesize that reducing salt in the diet will improve the function of blood vessels in middle aged and older adults with moderately elevated systolic blood pressure, by increasing the amount of BH4 and nitric…
- Trial name
- NCT01566084
- Testing
- Slow sodium tablets
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Boulder
HIV, Endothelial Dysfunction
N-acetylcysteine to Reduce Oxidative Stress and Improve Endothelial Function in HIV-infected Older Adults
The goal of this study is to determine if n-acetylcysteine, given as PharmaNAC, reduces oxidative stress and improves vascular function in HIV-infected older adults already on HIV treatment.
- Conditions
- HIV, Endothelial Dysfunction, Oxidative Stress
- Trial name
- NCT01962961
- Testing
- PharmaNAC (N-acetylcysteine)
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Indiana University
High Blood Pressure
The Effects of Renin Inhibition on Fibrinolytic Balance and Endothelial Function
Aliskiren (also called TekturnaTM) is a new drug for high blood pressure. Aliskiren works by blocking the actions of a substance called renin. Renin is a natural substance in the body that raises blood pressure.
- Trial name
- NCT03115853
- Testing
- Aliskiren 150 mg, HCTZ, Aliskiren 300 mg
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- Vanderbilt University Medical Center
Stroke, Hemiparesis
Brain Machine Interface Control of an Robotic Exoskeleton in Training Upper Extremity Functions in Stroke
The purpose of this study is: 1. To augment the MAHI Exo-II, a physical human exoskeleton, with a non-invasive brain machine interface (BMI) to actively include patient in the control loop and thereby making the therapy 'active'.
- Trial name
- NCT01948739
- Testing
- MAHI EXO-II exoskeleton augmented with BMI system
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Chronic Disease, Frail
Functional Exercise and Nutrition Education Program for Older Adults
There is strong evidence that specific types of exercise can improve health and physical function in older adults. While community exercise classes exist, many older adults with chronic conditions may need guidance from…
- Conditions
- Chronic Disease, Frail, Diabetes Mellitus, Cancer
- Trial name
- MoveStrong (NCT04037436)
- Testing
- Strength and Balance Training & Nutrition Education, Usual Care
- Where
- 5 sites in Canada
- Volunteers
- 44 people
- Sponsor
- University of Waterloo
Hypercholesterolemia
Evaluating Effect of the Study Drug Praluent (Alirocumab) on Neurocognitive Function When Compared to Placebo
The main purpose of this study is to evaluate the effect on mental state (known as "neurocognitive function") with use of Praluent.
- Trial name
- NCT02957682
- Testing
- Praluent (Alirocumab)
- Where
- 188 sites in United States, Bulgaria and 7 more
- Volunteers
- 2,176 people
- Sponsor
- Regeneron Pharmaceuticals
Stroke
Assessment of the Stroke Rehabilitation Assessment of Movement as a Clinical Tool
The Stroke Rehabilitation Assessment of Movement (STREAM) is a relatively new measurement tool, which measures specific movement deficits (impairments) caused by a stroke.
- Trial name
- NCT00635661
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- State University of New York - Upstate Medical University
Mitral Regurgitation, Mitral Insufficiency
Clinical Trial to Evaluate the Safety and Effectiveness of Using the Tendyne Transcatheter Mitral Valve System for the Treatment of Symptomatic Mitral Regurgitation
Prospective, controlled, multicenter clinical investigation with four trial cohorts: Randomized, Non-repairable, Severe Mitral Annular Calcification (MAC) and Severe Mitral Annular Calcification Continued Access Plan (MAC CAP).
- Conditions
- Mitral Regurgitation, Mitral Insufficiency, Mitral Valve Insufficiency, Cardiovascular Diseases
- Trial name
- SUMMIT (NCT03433274)
- Testing
- Tendyne Mitral Valve System, MitraClip System
- Where
- 78 sites in United States, Canada
- Volunteers
- 103 people
- Sponsor
- Abbott Medical Devices
Insulin Resistance
The Effects of Altering Physical Activity on Cardiometabolic Health
The effects of physical inactivity on variations in blood glucose and vascular health are not fully understood. The purpose of this study is to determine if an acute transition from physical activity to inactivity alters vascular…
- Trial name
- PIA (NCT01879059)
- Testing
- Exercise
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Kansas Medical Center