Clinical trials: Stress Physiology
Cardiac Surgery
Risk of Oxygen During Cardiac Surgery Trial
The investigators will recruit and randomize 200 elective cardiac surgery patients to receive physiologic oxygenation (normoxia) or hyper-oxygenation (hyperoxia) during surgery to test the hypothesis that intraoperative…
- Trial name
- ROCS (NCT02361944)
- Testing
- Oxygen - normoxia, Oxygen - hyperoxia
- Where
- United States
- Volunteers
- 213 people
- Sponsor
- Vanderbilt University
Cerebral Arterial Aneurysm
Role of Propofol Postconditioning on Oxidative Stress and Cognitive Function
The purpose of this study was to evaluate differences between propofol postconditioning and sevoflurane anesthesia in the intracranial aneurysm surgery about antioxidant effect.
- Trial name
- NCT02691416
- Testing
- propofol postconditioning, sevoflurane
- Volunteers
- 60 people
- Sponsor
- The Third Central Clinical College of Tianjin Medical University
Dyslipidemia
Effects of Simvastatin and Ezetimibe on Cardiovascular Risk Markers in Patients With Dyslipidemia
Coadministration of drugs is common in the pharmacologic treatment of dyslipidemia, with statins and ezetimibe generally constituting the medication of choice.
- Trial name
- NCT02304926
- Testing
- Simvastatin, Ezetimibe, Simvastatin + Ezetimibe
- Volunteers
- 42 people
- Sponsor
- Fundación para el Fomento de la Investigación Sanitaria y Biomédica de la Comunitat Valenciana
Post-traumatic Stress Disorder (PTSD)
Transcranial Infrared Laser Stimulation (TILS) of Prefrontal Cognition in Post-traumatic Stress Disorder (PTSD)
This study evaluates the effects of transcranial infrared laser stimulation (TILS) on prefrontal metabolism and hemodynamics in veterans with post-traumatic stress disorder (PTSD).
- Trial name
- NCT03209882
- Testing
- TILS
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- The University of Texas at Arlington
Type 2 Diabetes, Oxidative Stress
Effect of the Anti-oxidant N-acetylcysteine on Beta-cell Function in Type 2 Diabetes
Insulin is secreted by cells in the pancreas called beta-cells. Beta-cell dysfunction is a critical feature of type 2 diabetes (T2DM).
- Trial name
- NCT01394510
- Testing
- N-acetylcysteine
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Utzschneider, Kristina, M.D.
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
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
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
Cardiac Function
Maximal Bruce Protocol With the Use of Regadenoson For Myocardial Perfusion Stress Testing
It is been known for at least 20 years that the hemodynamic data, the amount of exercise performed as well as symptoms on the treadmill, has significant value to the perfusion stress testing.
- Trial name
- Rega Stress (NCT01026012)
- Testing
- regadenoson
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Maryland, Baltimore
Lung Diseases, Medication Compliance
Uncontrolled Lower Respiratory Symptoms in the WTC Survivor Program
The purpose of this study is to understand why patients in the World Trade Center program have continuing breathing problems. This study will improve investigators understanding of breathing problems among individuals with World…
- Trial name
- NCT02024204
- Testing
- Fluticasone propionate 230mcg for 3 Months, Current Treatment or no treatment, Salmeterol 21mcg for 3 Months
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- NYU Langone Health
Parenteral Nutrition
Study Comparing a Soybean Oil-Based With an Olive Oil-Based Lipid Emulsion in ICU Patients Requiring TPN
Many hospitalized patients who are malnourished or not eating receive intravenous feeding or total parenteral nutrition (TPN). Despite improving nutrition, TPN may increase the risk of infections and hospital complications.
- Trial name
- TPN2 (NCT00672854)
- Testing
- ClinOleic 20% Intravenous Emulsion, Intralipid, 20% Intravenous Emulsion
- Where
- 2 sites in United States
- Volunteers
- 100 people
- Sponsor
- Emory University
Oxidative Stress, Cognition Disorders
The Effect of Dexmedetomidine Infusion on Post-operative Cognitive Function and Oxidative Stress in Cardiac Surgery
Objective: The aim of this study was to determine the effect of dexmedetomidine in reducing postoperative cognitive dysfunction (POCD) in cardiac surgical patients which use cardiopulmonary bypass machine (CPB).
- Trial name
- NCT03054857
- Testing
- Dexmedetomidine
- Volunteers
- 100 people
- Sponsor
- Chulalongkorn University
Aging, Hyperthermia
Aging and Gastrointestinal Barrier Function
The purpose of this study is to assess the gastrointestinal responses of the elderly and younger populations during hyperthermia.
- Trial name
- NCT05816551
- Testing
- Hyperthermia Trial, Control Trial
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Aortic Valve Stenosis
Hemodynamic Comparison of Tissue Aortic Valves
The purpose of this study is to: 1. Assess for hemodynamic differences at rest and with exercise between three clinically available tissue aortic valves. 2.
- Trial name
- NCT01635244
- Testing
- Aortic valve replacement
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Michigan
Sedentary Behavior, Cardiovascular Risk Factor
Combined Effects of Prolonged Sitting and Mental Stress on the Cardiovascular System
Prolonged sitting may pose a public health risk through its effects on the cardiovascular system, and may lead to impaired whole-body cardiovascular health, which includes both vascular and cerebrovascular function.
- Conditions
- Sedentary Behavior, Cardiovascular Risk Factor, Mental Stress, Cognitive Change
- Trial name
- NCT04207333
- Testing
- Mental Arithmetic Test
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Diseases, Metabolic, Insulin Sensitivity
Comparing Soybean Oil-Based (Intralipid) With an Olive Oil-Based (ClinOleic) Lipid Emulsion on Healthy Volunteers
Many patients in the hospital who are malnourished or not eating received intravenous feeding or total parenteral nutrition (TPN). Despite improving nutrition, TPN may increase the risk of infections and hospital complications.
- Trial name
- TPN1 (NCT02185729)
- Testing
- Intralipid, ClinOleic, Dextrose
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Emory University
Aging, Inflammation
Effect of Age and Fitness on Vascular Function and Oxidative Stress During Acute Inflammation
This study focuses on whether high cardiorespiratory fitness in older adults has a protective effect on the vascular response to acute inflammation in comparison to low-fit older and young adults.
- Trial name
- NCT03889158
- Testing
- Typhoid Vaccine, Ascorbic Acid
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
Atherosclerosis
Evaluation of Atorvastatin on Atherosclerosis Composition
The purpose of this study is to evaluate the effects of Atorvastatin on the coronary atherosclerosis plaque morphology.
- Trial name
- NCT00576576
- Testing
- Atorvastatin
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Emory University
Posttraumatic Stress Disorder
Improving Function Through Primary Care Treatment of Posttraumatic Stress Disorder (PTSD)
The proposed project will examine a promising brief therapy for posttraumatic stress Disorder (PTSD) for use in Veterans Health Administration (VHA) Primary Care and its impact on functional outcomes.
- Trial name
- PE-PC (NCT03581981)
- Testing
- Prolonged Exposure for Primary Care (PE-PC), Treatment as Usual
- Where
- 2 sites in United States
- Volunteers
- 120 people
- Sponsor
- VA Office of Research and Development