Clinical trials: Circulatory Function
Diabetes Mellitus, Type 2, Hypertension
A Phase 2 Trial of IW-1973, A Stimulator of Soluble Guanylate Cyclase (sGC), in Patients With Stable Type 2 Diabetes and Hypertension
To evaluate the impact of escalating doses of IW-1973 on endothelial function [using EndoPAT to measure fingertip small vessel pulse volume], blood pressure (BP), and heart rate.
- Trial name
- NCT02906579
- Testing
- IW-1973
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Cyclerion Therapeutics
Heart Failure, Congestive Heart Failure
Vasodilator Therapy for Heart Failure and Preserved Ejection Fraction
The main objective is to test the effect of prolonged therapy (24 weeks) with isosorbide dinitrate ± hydralazine on arterial wave reflections (primary endpoint).
- Trial name
- NCT01516346
- Testing
- Isosorbide Dinitrate, Isosorbide Dinitrate + Hydralazine
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Corporal Michael J. Crescenz VA Medical Center
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
Hodgkin Disease, Lymphoma, Non-Hodgkin
A Study to Evaluate the Ability of Lupron Depot to Enhance Immune Function Following Bone Marrow Transplantation
Phase 2 study, conducted in patients with Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, or mantle cell lymphoma undergoing high-dose chemotherapy and autologous stem cell transplantation.
- Conditions
- Hodgkin Disease, Lymphoma, Non-Hodgkin, Multiple Myeloma, Mantle Cell Lymphoma
- Trial name
- NCT00275262
- Testing
- Leuprolide acetate depot (LAD) 11.25 mg 3 Month
- Where
- 4 sites in United States
- Volunteers
- 25 people
- Sponsor
- Abbott
Tissue Donors, Liver Transplantation
The Effect of Remote Ischemic Preconditioning in Living Donor Hepatectomy
Liver transplantation is the gold standard treatment for patients with end-stage liver disease. Despite its outstanding success, liver transplantation still entails certain complications including ischemia-reperfusion injury.
- Conditions
- Tissue Donors, Liver Transplantation, Ischemia Reperfusion Injury
- Trial name
- NCT03386435
- Testing
- remote ischemic preconditioning
- Where
- South Korea
- Volunteers
- 160 people
- Sponsor
- Asan Medical Center
Vascular Function, Racial Disparity
Vascular Dysfunction in Black Individuals: Roles of Nitric Oxide and Endothelin-1
The research aims of this proposal are: Specific Aim 1: To test whether an increase in nitric oxide signaling can increase vasodilator responses in young Black individuals.
- Trial name
- UMMC_Pilot (NCT04770155)
- Testing
- Dietary Nitrates 400 mg, L-citrulline 3 g, Sildenafil 100 mg
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Mississippi Medical Center
Stroke
Neurofeedback for Stroke Rehabilitation
Real-time neurofeedback aims to alter brain activation patterns through online feedback of ongoing brain activity using magnetic resonance imagining (MRI).
- Trial name
- NCT03775915
- Testing
- Neurofeedback
- Where
- United Kingdom
- Volunteers
- 27 people
- Sponsor
- University of Oxford
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
Coronary Artery Disease
Inflammation and Coronary Endothelial Function
The investigators are studying whether anti-inflammatory agents can improve abnormal coronary artery function in patients with coronary artery disease (CAD) and abnormal coronary artery endothelial function.
- Trial name
- NCT02366091
- Testing
- Methotrexate, Colchicine
- Where
- United States
- Volunteers
- 111 people
- Sponsor
- Johns Hopkins University
Heart Failure, Left Ventricular Dysfunction
Effects of Viagra on Heart Function in Patients With Heart Failure
Sildenafil (Viagra) is known to reduce pulmonary hypertension. Heart failure patients also have pulmonary hypertension and several recent reports have shown that sildenafil leads to an improvement in their exercise capacity.
- Trial name
- NCT00781508
- Testing
- sildenafil
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- MetroHealth Medical Center
Hypoxia, Altitude
Effects of Nebivolol Versus Carvedilol on Cardiopulmonary Function at High Altitude in Healthy Subjects.
Exposure of healthy subjects to high altitude hypoxia elicits changes in cardiovascular, respiratory and metabolic features as weel as in exercise performance similar, for some aspects, to those observed in chronic heart failure.
- Conditions
- Hypoxia, Altitude, Heart Failure
- Trial name
- NCT00924833
- Testing
- Carvedilol, Nebivolol
- Where
- Italy
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Istituto Auxologico Italiano
Stroke
Cognitive Impact of Pomegranate Polyphenols Following Ischemic Stroke
The purpose of this study is to determine whether pomegranate supplements improve cognitive functioning following stroke.
- Trial name
- NCT02442804
- Testing
- POMx
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Loma Linda University
Cerebrovascular Accident
Mechanisms of Upper-Extremity Motor Recovery in Post-stroke Hemiparesis
The results of this study will provide sound, scientific evidence of physiologic mechanisms responsible for upper-extremity weakness; evidence of the processes involved in neuromuscular adaptation; and will elucidate the…
- Trial name
- NCT00125658
- Testing
- Control, Experimental
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Cardiovascular Disease, Type 2 Diabetes
Complement and Cardiovascular Risk in Adolescents
This study evaluates how genetic variations in complement, a part of the immune system, affect cardiovascular risk in adolescents.
- Trial name
- CCRIA (NCT02821104)
- Where
- United States
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Ohio State University
COVID-19
Cardiovascular Effects of COVID-19
Cardiometabolic disease may confer increased risk of adverse outcomes in COVID-19 patients by activation of the aldose reductase pathway, a trigger of the inflammatory cascade.
- Trial name
- NCT04365699
- Testing
- AT-001
- Where
- United States
- Volunteers
- 81 people
- Sponsor
- NYU Langone Health
Mild Cognitive Impairment, Alzheimer Disease
Cerebral Haemodynamic Changes During Cognitive Testing: A fTCD Study
850,000 people live with dementia in the UK, with that number expected to rise to more than 1 million within the next 5 years. The most common type of dementia (55%) is Alzheimer's dementia, and vascular dementia is the second…
- Conditions
- Mild Cognitive Impairment, Alzheimer Disease, Vascular Dementia, Healthy Controls
- Trial name
- NCT03134963
- Testing
- Transcranial doppler ultrasonography, Blood pressure monitoring, Heart rate monitoring
- Where
- 2 sites in United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Leicester
Hypertension
Exercise and Vascular Function in Postmenopausal Females With Hypertension
The treatment of high blood pressure, or hypertension, is multifaceted and can include pharmacological therapies (i.e., medications) and lifestyle modifications such as physical activity.
- Trial name
- NCT05597033
- Testing
- Exercise, Control
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- Michigan State University
Pulmonary Disease, Chronic Obstructive
Simvastatin Therapy for Moderate and Severe COPD
To determine the effect of daily administration of 40 mgms simvastatin taken for at least 12 months (range 12-36 months) on the frequency of exacerbations of chronic obstructive lung disease (COPD) in patients with moderate to…
- Trial name
- STATCOPE (NCT01061671)
- Testing
- simvastatin
- Where
- 51 sites in United States, Canada
- Volunteers
- 885 people
- Sponsor
- University of Minnesota
Stroke, Transient Ischemic Attack
Comprehensive Post-Acute Stroke Services
The purpose of this pragmatic study is to investigate whether implementation of a comprehensive post-acute stroke service model that integrates Early Supported Discharge (ESD) and Transitional Care Management (TCM) for stroke…
- Trial name
- COMPASS (NCT02588664)
- Testing
- COMPASS Intervention
- Where
- 40 sites in United States
- Volunteers
- 6,024 people
- Sponsor
- Wake Forest University Health Sciences
Irritable Colon
Study to Assess the Effect Of Alosetron On Mucosal Blood Flow
This study will look at colonic mucosal blood flow in subjects who have taken alosetron vs placebo and healthy volunteers vs diarrhea-predominant Irritable Bowel Syndrome (d-IBS) patients.
- Trial name
- NCT00370032
- Testing
- alosetron
- Where
- United Kingdom
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline