Clinical trials: Circulatory Function
Cystic Fibrosis
Blood Flow and Vascular Function in Cystic Fibrosis
Cystic fibrosis (CF) has many health consequences. A reduction in the ability to perform exercise in patients with CF is related to greater death rates, steeper decline in lung function, and more frequent lung infections.
- Trial name
- CF-FLOW (NCT02057458)
- Testing
- Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks)
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Augusta University
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
Heart Failure
The Effects of Sacubitril/Valsartan on Cardiac Oxygen Consumption and Efficiency of Cardiac Work in Heart Failure Patients
This is a phase IV, prospective, randomized, double-blind, double-dummy, parallel-group study. The study assessed the effects of 6 weeks of stable sacubitril/valsartan therapy, as compared with valsartan therapy, on the…
- Trial name
- TurkuPET (NCT03300427)
- Testing
- sacubitril/valsatran, valsartan
- Where
- Finland
- Volunteers
- 55 people
- Sponsor
- Novartis Pharmaceuticals
Stroke, Cerebrovascular Disorders
Cost-effectiveness of Forced Aerobic Exercise for Stroke Rehabilitation
The purpose of this study is to investigate whether aerobic exercise improves the participant's ability to recover function in the arm and leg affected by the participant's stroke.
- Conditions
- Stroke, Cerebrovascular Disorders, Brain Diseases, Central Nervous System Diseases
- Trial name
- NCT03819764
- Testing
- Aerobic Exercise, Upper Extremity Repetitive Task Practice
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- The Cleveland Clinic
Hypertension, Mild Cognitive Impairment
Brain Connections and Blood Pressure
This pilot randomized controlled study evaluates Mindfulness and DASH Diet resting state network and blood pressure in 36 (n=12 intervention; n=12 attention control; n = 12 control) Black and African American older adults with…
- Trial name
- NCT03736434
- Testing
- Mindfulness and DASH Diet Education, Education group
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Ohio State University
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Healthy
Arginine Supplementation to Improve Cardiovascular and Endothelial Function After NSAID Treatment
A single centre, placebo controlled, blinded (participant, investigator, outcome assessor) trial to evaluate the effects of COX-2 inhibition with celecoxib on endothelial function in healthy male volunteers.
- Trial name
- ASCENT (NCT04765644)
- Testing
- Celecoxib, L-arginine + celecoxib
- Where
- United Kingdom
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Heart Failure, Decompensated Heart Failure
A Dose Ranging Phase IIa Study of 6 Hour Intravenous Dosages of CXL-1427 in Patients Hospitalized With Heart Failure
A randomized, double-blinded, placebo-controlled study of continuous 6-hour IV infusions of CXL-1427 in hospitalized patients with systolic heart failure.
- Conditions
- Heart Failure, Decompensated Heart Failure, Acute Heart Failure
- Trial name
- NCT02157506
- Testing
- CXL-1427
- Where
- 35 sites in United States, Germany and 3 more
- Volunteers
- 70 people
- Sponsor
- Bristol-Myers Squibb
Mitral Valve Regurgitation
Early Feasibility Study of the Neovasc Tiara™ Mitral Valve System
The purpose of this study is to evaluate the safety and initial performance of the Neovasc Tiara Mitral Transcatheter Heart Valve with the Tiara Transapical Delivery System.
- Trial name
- TIARA-I (NCT02276547)
- Testing
- Mitral valve replacement
- Where
- 10 sites in United States, Belgium and 1 more
- Volunteers
- 27 people
- Sponsor
- Shockwave Medical, Inc.
Microvascular Dysfunction
Cheese Consumption and Human Microvascular Function
Increased dairy intake is associated with improved measures of blood vessel health. Dairy cheese, however, is often high in sodium. Dietary sodium can impair blood vessel function.
- Trial name
- NCT03376555
- Testing
- Low sodium no cheese, Low sodium cheese, High sodium no cheese
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Lacy Alexander
End-Stage Renal Disease
Safety and Cardiovascular Efficacy of Spironolactone in Dialysis-Dependent ESRD Trial
The SPin-D Trial is a phase II randomized, double-blind, placebo-controlled, multi-center study of spironolactone (SPL) for patients with hemodialysis-dependent end-stage renal disease.
- Trial name
- SPin-D (NCT02285920)
- Testing
- Spironolactone
- Where
- 4 sites in United States
- Volunteers
- 129 people
- Sponsor
- University of Pennsylvania
Acute Coronary Syndromes
Study to Learn When Platelets Return to Normal After One Loading Dose of Anti-platelet Drugs in Patients With Symptoms of Acute Coronary Syndromes
To investigate how platelets recover to normal function in subjects who have symptoms of a heart attack or unstable angina and who get a loading dose of prasugrel or clopidogrel for planned coronary angiography.
- Trial name
- NCT01107899
- Testing
- clopidogrel, prasugrel
- Where
- Germany
- Volunteers
- 29 people
- Sponsor
- Eli Lilly and Company
Heart Failure, Kidney Dysfunction
The Effects of Decreasing the Lasix Dose on the Cardiorenal System
The investigators' objective is to define the effects of decreasing the furosemide dose on heart, kidney and humoral function in people with compensated heart failure and kidney dysfunction and also in people with compensated…
- Trial name
- Aim1 (NCT00982423)
- Testing
- Furosemide
- Where
- United States
- Volunteers
- 41 people
- Sponsor
- Mayo Clinic
Tachycardia, Ventricular
Ablation Targets of Scar-related Ventricular Tachycardia Identified by Dynamic Functional Substrate Mapping
This study aims at comparing the recurrence rates of ventricular tachycardia ablated after being mapped by 2 different techniques.
- Trial name
- NCT05086510
- Testing
- Radiofrequency ablation
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Ain Shams University
Stroke, Cerebrovascular Accident (CVA)
Transcutaneous Vagus Nerve Stimulation (tVNS) and Robotic Training to Improve Arm Function After Stroke
The purpose of this study is to evaluate if multiple therapy sessions of Transcutaneous Vagus Nerve Stimulation (tVNS) combined with robotic arm therapy lead to a greater functional recovery in upper limb mobility after stroke…
- Conditions
- Stroke, Cerebrovascular Accident (CVA), Hemiparesis
- Trial name
- tVNS (NCT03592745)
- Testing
- Transcutaneous Vagus Nerve Stimulation (tVNS)
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Northwell Health
Anxiety, Hypertension
Anxiety-mediated Impairments in Large Elastic Artery Function and the Autonomic Nervous System
The goal of this study is to evaluate the effectiveness of a short-term (4 weeks) pharmacological blockade of sympathetic nerve activity (clonidine) on anxiety symptoms, vascular function, inflammation, muscle sympathetic nerve…
- Trial name
- ATLAS (NCT03109795)
- Testing
- Clonidine Pill, Hydrochlorothiazide
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Iowa
Multiple Myeloma
Lenalidomide Maintenance Therapy for Multiple Myeloma
Background: Multiple myeloma is rarely curable, but it is treatable. Initial treatment is directed at controlling symptoms and reducing the number of myeloma cells. It continues until the cancer stops responding to treatment.
- Trial name
- NCT01675141
- Testing
- Lenalidomide
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- National Cancer Institute (NCI)
Coronary Heart Disease
Testosterone and Myocardial Perfusion in Coronary Heart Disease (CHD)
Testosterone has traditionally been regarded as a risk factor for heart disease due to the fact that males have a higher incidence of this disease than women, at least until the menopause.
- Trial name
- NCT00239590
- Testing
- Testosterone undecanoate
- Where
- United Kingdom
- Volunteers
- 28 people
- Sponsor
- Imperial College London
HIV Infections, Type 2 Diabetes
Exercise and Pioglitazone for HIV-Metabolic Syndromes
The purpose is to examine the safety and efficacy of 16wks of pioglitazone (Actos; 30mg/d) with and without aerobic and strength exercise training for reducing glucose intolerance and central adiposity in HIV-infected people.
- Conditions
- HIV Infections, Type 2 Diabetes, Obesity, HIV
- Trial name
- NCT00639457
- Testing
- Pioglitazone, Exercise training
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Congestive Heart Failure
Natriuretic Peptide System as Therapy in Human Preclinical Left Ventricle Dysfunction
In congestive heart failure, cardiac output is low, blood pressure is high, and the body becomes congested with fluid. In normal people, when there is high blood pressure, the heart muscle cells secrete a hormone that excretes…
- Trial name
- PPG1 (NCT00387621)
- Testing
- Nesiritide, Saline
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Horng Chen