Cardiovascular Diseases and Cardiac Surgery

Below are current clinical trials.

Filter this list of studies by location, status and more.

1. A Study to Evaluate Breathing Muscle Training in Cardiac Rehab

   Rochester, Minn.

   We are currently enrolling both healthy volunteers and people who have been diagnosed with heart failure to participate in our research study.  The purpose of this study is to better understand the relationship between exercise, breathing, blood flow and blood pressure.  This study includes two study visits if you are a healthy or heart failure volunteer.    All testing will be performed at our testing center at St. Mary’s Hospital located in Rochester, MN. 

   On the first study visit, the research activities will be discussed and all questions will be answered. Once written consent is provided and the participant is enrolled, lung function and exercise capacity will be measured.

   The second study visit includes two separate breathing muscle workouts (a light and moderate workload) each followed by 10 min of light to moderate cycling exercise. In addition, two breathing tests will also be performed. During this visit, blood is drawn during exercise.

   If you are a patient at Mayo Clinic, who is currently enrolled or will be enrolling in a cardiac rehabilitation exercise program, you will have the option to complete four study visits.  Your first two study visits as described above will be completed at the beginning of cardiac rehabilitation and then we will ask you to return to complete those same two study visits following the completion of your cardiac rehabilitation program.

   Remuneration and parking reimbursement are provided.

2. A Study of In Vitro Mapping of Cardiac Tissue Obtained from Patients with Refractory Arrhythmias who Underwent Heart Transplant or Replacement with Mechanical Heart

   Rochester, Minn.

   The purpose of this study is to obtain electro-anatomic maps of human myocardium in sinus rhythm and ventricular arrhythmias to identify activation patterns, identify and perform tissue ablation at targeted sites of interest that could play an important trigger for development of arrhythmias, and to perform histologic analysis of the myocardial tissue to identify triggers and/or targets for therapies to terminate ventricular arrhythmias.

3. Spontaneous Coronary Artery Dissection: Case Review

   Rochester, Minn.

   Spontaneous coronary artery dissection (SCAD) is uncommon but important cause of acute coronary syndrome and sudden cardiac death. There is very little data exists in regards to patient clinical characteristics, risk factors, treatment and outcomes. Our objective is to prospectively assess long term outcomes. 

4. A Study of Ticagrelor in the Upstream Setting for Non-ST-Segment Elevation Myocardial Infarction

   Jacksonville, Fla.

   The purpose of this study is to establish a registry that will address the data gap regarding the course of NSTEMI (Non-ST-Elevation Myocardial Infarction) between ED (Emergency Department) arrival and diagnostic angiography in detail, by characterizing and following the ED and peri-ED use of advanced OAP (Oral Anti-Platelet) agents. In addition to exploring ED treatment patterns and success of both ischemic and bleeding risk stratification prior to definition of the coronary anatomy, data generated via the UPSTREAM registry will allow plausible attribution of ischemic and bleeding outcomes to pre-catheterization antiplatelet therapy in the management of NSTEMI. This registry further seeks to demonstrate that contemporary use of upstream ticagrelor is associated with an economically-sound utilization of hospital resources, and smooth transition of care into the outpatient, secondary prevention setting for the first 30 days after hospitalization. Finally, it will allow characterization of patient selection factors and processes for ticagrelor vs alternative OAP agents, carrying out that descriptive comparison through discharge. Patients transferred in to an UPSTREAM hospital are eligible for inclusion, but the timing for OAP agent administration and diagnostic catheterization begin with ED care at the first hospital.

5. Treating Breast Cancer Patients Undergoing Trastuzumab Treatment with Carvedilol to Reduce Incidence of Heart Failure

   Rochester, Minn., Jacksonville, Fla., Scottsdale/Phoenix, Ariz.

   The purpose of this study is to evaluate different strategies of cardiovascular therapy with Carvedilol, aiming to reduce the incidence of left ventricular ejection fraction (LVEF) decline and heart failure (HF) in patients undergoing curative intent Trastuzumab for breast cancer.

    

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6. A Study to Develop A Familial Hypercholesterolemia Identification REgistry (FHIRE)

   Rochester, Minn.

   The purpose of this study is to develop a registry of molecularly confirmed Familial Hypercholesterolemia (FH) cases in conjunction with the retrospective FHIRE study (IRB# 18-009654) in order to identify and offer genetic testing to Mayo Clinic patients with suspected FH.

7. Ventricular Remodeling and Myocardial Deformation in Patients Undergoing Chemotherapy for Sarcomas

   Rochester, Minn.

   The aim of this study is to determine if there is subclinical systolic or diastolic myocardial mechanical dysfunction by 2D and 3D speckle tracking echocardiography derived strain and strain rate in this patient population at baseline, during and after chemotherapy. This could be an early marker  of myocardial dysfunction  in patients treated for sarcoma.

8. A Study to Evaluate Noninvasive Ultrasound Elastography of Kidney and Lung in Assessment of Volume Status in ICU Patients

   Rochester, Minn.

   The primary purpose of this study is to assess the feasibility of performing lung and kidney and lung ultrasound elastography among patients with critical illness from different etiologies that could be associated with volume overload.

9. Patient-Specific Induced Pluripotent Stem Cell Models for Heritable Channelopathies and Cardiomyopathies

   Rochester, Minn.

   The purpose of this study is to derive and characterize patient-specific disease models for sudden death-predisposing heritable channelopathies and cardiomyopathies using iPS-cell technology.  It is hoped that the molecular, cellular, and electrophysiological phenotypes of these in-vitro disease models will further elucidate the pathophysiologic mechanisms underlying these sudden death-associated conditions.

10. Associated Anomalies with Right and Left Cusp Fusion Versus Right and Non-Coronary Cusp Fusion

    Rochester, Minn.

    The goal of this study is to determine whether significant differences exist in the prevalence of associated cardiac anomalies between right/left and right / non-coronary cusp fusion in bicuspid aortic valve.