Clinical trials: Vascular Dysfunction
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
Hypertension
Systolic Blood Pressure Intervention Trial
Elevated blood pressure (BP) is an important public health concern. It is highly prevalent, the prevalence may be increasing, and it is a risk factor for several adverse health outcomes, especially coronary heart disease, stroke…
- Trial name
- SPRINT (NCT01206062)
- Testing
- Intensive control of SBP, Standard control of SBP
- Where
- United States
- Volunteers
- 9,361 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
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
Hypertension, Diastolic Dysfunction
The Effects of Systolic Blood Pressure Lowering on Diastolic Function Using Valsartan + Amlodipine in Patients With Hypertension and Diastolic Dysfunction
The purpose of this study is to determine the effects of treatment with valsartan + amlodipine to a target systolic blood pressure (SBP)<130 mmHg compared to the Joint National Commission on the Treatment of Hypertension 7…
- Trial name
- NCT00523549
- Testing
- valsartan, amlodipine
- Where
- United States
- Volunteers
- 229 people
- Sponsor
- Novartis Pharmaceuticals
Pulmonary Disease, Chronic Obstructive
Effects of N-acetylcysteine on Cardiorespiratory Control in COPD Patients With Mild-to-moderate Airflow Obstruction
The main purpose of this study is to determine whether pharmacological treatment with N-acetylcysteine improves central and peripheral cardiorespiratory control and physical capacity in COPD patients with mild-to-moderate airflow…
- Trial name
- NCT02579772
- Testing
- N-acetylcysteine
- Volunteers
- 13 people
- Sponsor
- Queen's University
Left Ventricular Dysfunction, Right Ventricular Dysfunction
A Post-Marketing Study for On Label Evaluation of the GE Vscan Ultrasound Imaging System
This study is to collect data and learn more about the Vscan Ultrasound Imaging System. It is an "observational" study with no additional procedures or intervention prescribed other than using the Vscan along with a routine…
- Conditions
- Left Ventricular Dysfunction, Right Ventricular Dysfunction, Pulmonary Hypertension, Heart Valve Diseases
- Trial name
- NCT01076296
- Where
- United States
- Volunteers
- 1,000 people
- Sponsor
- GE Healthcare
Endothelial Dysfunction, Hyperhomocysteinemia
Effect of L-Arginine and Pycnogenol on Light to Moderate Hypertension and Endothelial Function
The effect of a combination product (Verum ) with L-arginine, Pycnogenol, vitamin K2, R-(+)-alpha-lipoic acid and vitamins B6, B12 and folic acid is investigated in a double blind placebo-controlled cross-over study.
- Conditions
- Endothelial Dysfunction, Hyperhomocysteinemia, Hypertension Grade I, Subgroup "Borderline" (WHO)
- Trial name
- NCT02392767
- Testing
- Verum
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Dr. Loges & Co. GmbH
Metabolic Syndrome, Coronary Microvascular Dysfunction
Vericiguat in Patients With Metabolic Syndrome and Coronary Vascular Dysfunction
Coronary vascular dysfunction is one of the "final common pathways" for the impact of multiple cardiovascular risk factors. The investigators will conduct a randomized, double-blind placebo-controlled study in individuals with…
- Trial name
- NCT05711719
- Testing
- Vericiguat
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Johns Hopkins University
Peripheral Arterial Disease
Clinical Utility of Endothelial Dysfunction in PAD
This study will seek to determine whether non-invasive measures of endothelial function have utility as surrogate markers of cardiovascular risk in patients with peripheral arterial disease undergoing vascular surgery.
- Trial name
- NCT00491751
- Testing
- atorvastatin, ascorbic acid
- Where
- United States
- Volunteers
- 108 people
- Sponsor
- Boston University
Vasculogenic Erectile Dysfunction
Intracavernosal Injection of Botulinum Toxin Type A in the Treatment of Vascular Erectile Dysfunction
Evidence has been arising that Botulinum toxin injections can relax smooth muscles fibers in the treatment of obesity and hyperactive bladder.
- Trial name
- NCT02584686
- Testing
- Botulinum Toxin Type A, Normal Saline
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Transposition of Great Vessels, Congenital Heart Disease
N-Acetylcysteine in Neonatal Congenital Heart Surgery (INACT Study)
The purpose of this study is to determine whether intravenous N-acetylcysteine (also known as Acetadote), an antioxidant medication that has been used for years to treat Tylenol overdose, helps prevent heart dysfunction in the…
- Trial name
- NCT00374088
- Testing
- N-acetylcysteine
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- University of Michigan
Heart Failure
The Effects of Sacubitril/Valsartan Compared to Valsartan on LV Remodelling in Asymptomatic LV Systolic Dysfunction After MI
Prior to reperfusion therapy, the major therapeutic breakthrough in myocardial infarction was the demonstration that ACE inhibitors or ARBs, given to prevent adverse "remodelling" (progressive dilatation and decline in systolic…
- Trial name
- RECOVER-LV (NCT03552575)
- Testing
- sacubitril/valsartan, Valsartan
- Where
- 2 sites in United Kingdom
- Volunteers
- 93 people
- Sponsor
- NHS Greater Glasgow and Clyde
Ischemia-Reperfusion Injury, Lung Transplantation
Repertaxin in Prevention of Primary Graft Dysfunction After Lung Transplantation
The objective of this clinical study was to evaluate whether CXCL8 (CXC ligand 8 [formerly interleukin (IL)-8]) inhibition with repertaxin leads to reduced severity of primary graft dysfunction, as the result of improved…
- Trial name
- NCT00224406
- Testing
- Repertaxin
- Where
- 6 sites in United States, Canada
- Volunteers
- 114 people
- Sponsor
- Dompé Farmaceutici S.p.A
Type 2 Diabetes, Peripheral Arterial Disease
Liraglutide and Peripheral Artery Disease
STARDUST is an open-label, two-arm randomized controlled trial, aimed at evaluating the effects of liraglutide on peripheral perfusion, as compared with the aggressive treatment of cardio-metabolic risk factors, in people with…
- Trial name
- STARDUST (NCT04881110)
- Testing
- Liraglutide, Control
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- University of Campania Luigi Vanvitelli
Ischemic Heart Disease
EWISE: Study of Eplerenone in Women With Chest Pain, Coronary Vascular Dysfunction and Evidence of Myocardial Ischemia
Some women have chest pain even without having a blockage in one of the major blood vessels that supplies blood to the heart. In many of these women the microscopic (small) blood vessels in the heart do not function normally.
- Trial name
- NCT00187889
- Testing
- Eplerenone
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- University of Florida
Covid19
Accelerating COVID-19 Therapeutic Interventions and Vaccines 4 ACUTE
This is a randomized, open label, adaptive platform trial to compare the effectiveness of antithrombotic and additional strategies for prevention of adverse outcomes in COVID-19 positive inpatients
- Trial name
- ACTIV-4A (NCT04505774)
- Testing
- theraputic heparin, prophylactic heparin, P2Y12
- Where
- 101 sites in United States, Brazil and 2 more
- Volunteers
- 3,591 people
- Sponsor
- Matthew Neal MD
Myocardial Infarction
Firibastat or Ramipril After Acute Myocardial Infarction for Prevention of Left Ventricular Dysfunction
This is a multicenter, randomized, double-blind, active-controlled, dose-titrating phase 2 study to evaluate the safety and efficacy of firibastat administered orally BID (2 daily doses) versus ramipril administered orally BID…
- Trial name
- QUORUM (NCT03715998)
- Testing
- Ramipril, Firibastat
- Where
- 7 sites in France, Germany and 5 more
- Volunteers
- 295 people
- Sponsor
- Quantum Genomics SA
HIV, Vascular Diseases
Pentoxifylline and Combination Antiretroviral Therapy to Improve Blood Vessel Function in HIV-Infected People
People infected with HIV have a greater risk of developing cardiovascular disease than people not infected with HIV. This may be due to increased inflammation in the blood vessels.
- Conditions
- HIV, Vascular Diseases, Cardiovascular Diseases, Atherosclerosis
- Trial name
- NCT00864916
- Testing
- Combination antiretroviral therapy (cART), Pentoxifylline
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Indiana University
Elevated Blood Pressure, Endothelial Dysfunction
Effectiveness of Vitamin D Supplementation
This pilot study will examine the effectiveness of vitamin D supplementation on reducing blood pressure and improving endothelial function. Premenopausal African American women will be recruited.
- Trial name
- NCT02513823
- Testing
- 2,000 International Units (IU)of vitamin D3
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Texas Woman's University
Hypertension With Renal Dysfunction
Safety and Tolerability and Efficacy of LCZ696 in Japanese Hypertensive Patients With Renal Dysfunction
This study assessed the safety, tolerability, and efficacy of LCZ696 in hypertensive patients with renal dysfunction.
- Trial name
- NCT01593787
- Testing
- LCZ696
- Where
- 13 sites in Japan
- Volunteers
- 32 people
- Sponsor
- Novartis Pharmaceuticals