Clinical trials: Coronary Physiology
Physiological Changes in Deliberate Apnea
Evaluating the Influence of Apnea on Cardiac Function Using Cardiac Magnetic Resonance Imaging.
Former studies revealed a distinct pattern of changes in circulation during deliberate apnea. Blood pressure rises significantly often accompanied by bradycardia.
- Trial name
- NCT02280226
- Testing
- magnetic resonance imaging (MRI)
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bonn
Heart Transplant
Enhancing Heart Allograft Function With the OCS Heart System Trial
This trial is designed to evaluate the safety and effectiveness of the novel OCS Solution and OCS Functional Enhancer (OFE) to support FDA approval in both DBD and DCD heart transplantation.
- Trial name
- ENHANCE (NCT07145515)
- Testing
- OCS Heart, Static Cold Storage (SCS)
- Where
- 8 sites in United States
- Volunteers
- 655 people
- Sponsor
- TransMedics
Chagas Cardiomyopathy
Microvascular Endothelial Function in a Cohort of Patients With the Cardiac Form of Chronic Chagas Disease.
The present study aims to evaluate the microvascular endothelial function of a single centre cohort of patients with the cardiac form of Chagas disease, and to search for associations with clinical and laboratory variables.
- Trial name
- NCT03524768
- Testing
- skin laser speckle contrast imaging and video-capillaroscopy
- Where
- Brazil
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National Institute of Cardiology, Laranjeiras, Brazil
Heart Failure, Coronary Artery Disease
Ultrastructural Characteristics of Mitochondria in Cardiomyocytes in Heart Failure
According to modern concepts, mitochondrial dysfunction may be the fundamental basis for the development and progression of CHF, including in patients undergoing myocardial revascularization.
- Trial name
- MITOCH-HF (NCT05770349)
- Testing
- coronary artery bypass grafting
- Where
- Russia
- Volunteers
- 45 people
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
Sudden Cardiac Death, Implantable Defibrillator User
Implantable Cardioverter Defibrillators - Improving Risk Stratification
Worldwide three million people a year die from sudden cardiac death (SCD). In most cases there is no warning and the heart is stopped by a sudden arrhythmia.
- Conditions
- Sudden Cardiac Death, Implantable Defibrillator User, Myocardial Infarction, Arrhythmias, Cardiac
- Trial name
- ICD-IRS (NCT01944514)
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University Hospitals, Leicester
Limb-girdle Muscular Dystrophy
A Study of the Natural History of Participants With LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, and LGMD2A/R1 ≥ 4 Years of Age, Who Are Managed in Routine Clinical Practice
This study will follow participants who are screened and confirmed with a genetic diagnosis of Limb-girdle muscular dystrophy type 2E (LGMD2E/R4), Limb-girdle muscular dystrophy type 2D (LGMD2D/R3), Limb-girdle muscular dystrophy…
- Trial name
- NCT04475926
- Where
- 26 sites in United States, Belgium and 8 more
- Volunteers
- 205 people
- Sponsor
- Sarepta Therapeutics, Inc.
Heart Failure, Sleep Quality
Association Between Sleep Quality and Self-Care in Heart Failure Patients
The research will be conducted as a prospective and relational study to longitudinally investigate the effect of sleep quality on self-care in patients with heart failure (HF) and to evaluate the relationship between self-care…
- Conditions
- Heart Failure, Sleep Quality, Self Care, Cognitive Function
- Trial name
- NCT06747689
- Where
- Turkey (Türkiye)
- Volunteers
- 207 people
- Sponsor
- Dokuz Eylul University
Myocardial Protection
Levosimendan and Myocardial Protection
The aim of this study is to investigate whether pharmacological pre-treatment with levosimendan reduces intensive care unit (ICU) length of stay in patients undergoing elective myocardial revascularization under cardiopulmonary…
- Trial name
- NCT00610350
- Testing
- levosimendan
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- University of Roma La Sapienza
Other Functional Disturbances Following Cardiac Surgery, Memory Disorders
COGNITIVE - Cognitive Function After Sevoflurane or Propofol Anesthesia for Open-heart Operations
The aim of the study is to prove whether general anesthesia with inhaled sevoflurane reduces the frequency of neurological and cognitive impairment after open-heart operations with use of cardiopulmonary by-pass (CPB) in…
- Trial name
- NCT00541918
- Testing
- Diprivan (propofol, Astra Zeneca), Sevorane (sevoflurane, Abbott)
- Where
- 2 sites in Poland
- Sponsor
- Medical University of Gdansk
Anemia
Anemia in Heart Failure With a Preserved Ejection Fraction (HFPEF)
The purpose of this study is to determine if treating anemia with subcutaneous erythropoetin in patients with heart failure and a preserved ejection fraction (HFPEF) will be associated with reverse ventricular remodeling…
- Trial name
- NCT00286182
- Testing
- Erythropoietin alpha
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Mathew S. Maurer
Coronary Artery Disease
Effect of 6R-BH4 Treatment in Coronary Artery Disease (OXBIO Study)
The purpose of this study is to determine the effect of 6R-BH4 on vascular function in patients with coronary artery disease. We hypothesize that 6R-BH4 will improve vascular function in these patients.
- Trial name
- NCT00423280
- Testing
- 6R-BH4
- Where
- United Kingdom
- Volunteers
- 66 people
- Sponsor
- University of Oxford
Atrial Fibrillation
EvaluAtion of Predictive Value of Multisite Intracardiac EchoCardiography During Imaging of Structure and funCTION of Left Atrial Appendage in Comparison to Transesophageal Echocardiography
This is a 2- component, single center study, witch aims to evaluate the efficacy of multisite intracardiac echocardiography (mICE) imaging of left atrial appendage (LAA) and in detecting thrombus located in LAA as compared to…
- Trial name
- ActionICE (NCT01371279)
- Testing
- Intra-Cardiac Echocardiography guided atrial fibrillation ablation
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Centre of Postgraduate Medical Education
Atherosclerosis, Coronary Disease
Study of the Interaction Between the Cells Lining Blood Vessels and Angiotensin-Converting Enzyme
The walls of blood vessels are lined by flat cells that are responsible for releasing substance(s) that control the activity of the blood vessel. These cells are referred to as the endothelium of the blood vessel.
- Trial name
- NCT00001461
- Where
- United States
- Volunteers
- 209 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Heart Failure
Biventricular Pacing After Cardiopulmonary Bypass
The purpose of this study is to investigate the efficacy of optimized temporary biventricular pacing (BiVP) in patients undergoing open-heart surgery with preoperative LV dysfunction and an intraventricular conduction delay.
- Trial name
- BIPACS (NCT00498940)
- Testing
- Optimization Testing, Temporary Biventricular Pacing
- Where
- United States
- Volunteers
- 111 people
- Sponsor
- Henry M. Spotnitz
Cardiac Surgery
Measuring and Treating Brain Oxygen Levels in Open Heart Surgery
The purpose of this study is to test whether keeping the amount of oxygen delivered to the brain above a certain level during surgery and 24-hours after surgery improves recovery.
- Trial name
- NCT01539382
- Testing
- Cerebral oxygenation intervention
- Where
- United States
- Volunteers
- 140 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Obesity
Influence of Aromatase Inhibition on Hepatic- and Cardiac Function in Severe Obese Men
It seems plausible that increased aromatase activity in obese men, as a result of a larger fat mass, is responsible for decreased levels of testosterone.
- Trial name
- HEPAROB (NCT02097680)
- Testing
- Letrozole
- Where
- Belgium
- Volunteers
- 30 people
- Sponsor
- University Hospital, Ghent
BPH
Transthoracic Echocardiographic Evaluation of the Cardiac Function During Transurethral Resection of Prostate in Elderly Patients
Transurethral resection of the prostate (TURP) is a standard surgical treatment for benign prostatic hyperplasia (BPH). Non-conductive irrigation fluid is used to maintain good visibility of the operating field during resection…
- Trial name
- NCT02288780
- Volunteers
- 2 people
- Sponsor
- Yonsei University
Acute Coronary Syndrome
Tailored Antiplatelet Therapy Versus Recommended Dose of Prasugrel
The purpose of this study is to demonstrate the superiority of a strategy of platelet monitoring (Monitoring Arm) with down-adjustment of the dose of prasugrel in high responders and up-adjustment of the dose of prasugrel in low…
- Trial name
- ANTARCTIC (NCT01538446)
- Testing
- Modification of Prasugrel based on a biological assay, prasugrel / clopidogrel, Verify Now
- Where
- 2 sites in France
- Volunteers
- 880 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
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
Coronary Artery Disease
Symptom Management Intervention in Elderly Coronary Artery Bypass Patients
The major purpose of this experimental study is to test the effects of the symptom management home care nursing intervention (SMHCNI) on recovery outcomes of elderly CABG patients, using a randomized, two group (n=284) repeated…
- Trial name
- NCT00572988
- Volunteers
- 232 people
- Sponsor
- University of Nebraska
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