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Coronary Artery Disease clinical trials

View clinical trials related to Coronary Artery Disease.

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NCT ID: NCT05756088 Suspended - Clinical trials for Endothelial Dysfunction

Determining the Association of Microvascular Disease as Assessed by PET and Graft Injury by Donor Derived Cell Free DNA

Start date: November 2024
Study type: Observational

The goal of this research study is to understand if a blood test in people who have had heart transplants can detect and predict the following: - Blockages in the small blood vessels of the heart. - Whether small blockages can turn into more severe blockages in the future. Participants will undergo blood draws once every 3 months in the first year of the study (4 blood draws total, taking 15 minutes each) and their medical records will be reviewed for 3 years after the date they are enrolled in the study.

NCT ID: NCT05583968 Suspended - Clinical trials for Coronary Artery Disease

Efficiency of AI Reporting (EAIR).

Start date: August 15, 2024
Study type: Observational

While there are features on a CCTA that are correlated with plaque vulnerability and can be reported on, this is not always done. This is important as it is thought that vulnerable plaques present the greatest risk of myocardial infarction. This study will assess the correlation between software and human classification of these plaques, as well as demonstrating the time efficiency of AI reporting when compared to a clinician.

NCT ID: NCT05203484 Suspended - Clinical trials for Ventricular Tachycardia

Effect of Multielectrode Versus Point-by-Point Mapping on Recurrence of Ventricular Tachycardia in Ischemic Heart Disease

Start date: October 1, 2022
Phase: N/A
Study type: Interventional

VT ablation is a frequently performed intervention in patients with symptomatic ventricular tachycardia, electrical storm due to monomorphic VT and appropriate ICD shocks, primarily aiming at reducing the burden of complaints, and ICD shocks. The recommendations for its use were described in the ESC guideline for ventricular arrhythmias and the prevention of sudden cardiac death. To visualize the arrhythmogenic substrate leading to ventricular tachycardia complex mapping techniques are currently used in clinical routine, including conventional Point-by-Point mapping or Multielectrode Mapping. The latter is associated with shorter Mapping and overall procedure times, while maintaining the same primary endpoint of the procedure itself. The aim of this trial is to validate, whether the reduction of mapping and procedure time is associated with a comparable long-term outcome compared with conventional Point-by-Point mapping.

NCT ID: NCT05051774 Suspended - Clinical trials for Coronary Heart Disease

Effectiveness of a Motivated, Action-based Intervention on Health Outcomes of Coronary Heart Disease Patients

Start date: August 15, 2021
Phase: N/A
Study type: Interventional

Coronary heart disease (CHD), the major group of cardiovascular disorders, is the leading cause of cardiac-associated mortality, causing >9 million death in 2016. American Heart Association (AHA) and the American College of Cardiology Foundation (ACCF) recognized that lifestyle modification including physical activity is the class one-level recommendation for secondary prevention and risk reduction therapy for patients with CHD. The assessment of physical activity and confidence in performing exercise for patients with CHD will help healthcare professionals to develop and implement the appropriate intervention to enhance patients' confidence in performing exercise and physical activity to promote and maintain their health. With the increasing morbidity and mortality from CHD, especially in low and middle-income countries, secondary prevention including exercise-based cardiac rehabilitation (CR) plays an important role to improve the prognosis of CHD patients. High prevalence of physical inactivity, unhealthy dietary practices, poor control of blood glucose, blood pressure (BP), blood lipid, and body weight (BW) was found among CHD patients in the world as well as in Sri Lanka. Therefore, it is important to design and implement an appropriate intervention to improve the physical activity level, exercise self-efficacy, and cardiovascular risk factors in CHD patients in Sri Lanka. This study aims to develop and examine a culturally specific motivated, action-based intervention for improving physical activity level, exercise self-efficacy, and cardiovascular risk factors of CHD patients in Sri Lanka. The participants will be patients who admitted to the coronary care unit (CCU) and medical wards of the Teaching Hospital Batticaloa, Sri Lanka with CHD for the first time confirmed by electrocardiogram with aged 18 years or above, able to reads and speak Tamil, able to attend clinic follow-up, obtain a medical clearance from a cardiologist to perform the exercise and, able to understand and give informed consent. The medical records of the CHD patients will be reviewed to screen for their eligibility. In addition, the cardiologist of the participants will be consulted for their suitability to perform the exercise of the intervention. The purpose of the study, the data collection procedures, the potential risk and benefits, the maintenance of confidentiality, and the voluntary basis of participation will be clearly explained to the participants, and informed written consent will be obtained before data collection. Ethical approval was obtained from The Joint Chinese University of Hong Kong - New Territories East Cluster Clinical Research Ethics Committee and Ethics Review Committee, Faculty of Health Care-sciences, Eastern University, Sri Lanka. The Statistical Package for Social Science version 22.0 software (SPSS 22.0) will be used to analyze the data and the p-value less than 0.5 will be considered as significant. This study will provide evidence on the effectiveness of a motivated, action-based intervention on the physical activity level, cardiovascular risk factors, and exercise self-efficacy of CHD patients in Sri Lanka. Findings from this study could be useful to promote healthy lifestyle behaviors in CHD patients in a low-resource setting. Furthermore, this study will provide information on which level this intervention could be applied and possible constraints that hinder the outcomes of the results.

NCT ID: NCT04912570 Suspended - Clinical trials for Coronary Artery Disease

Thrombus Aspiration in Heavy Thrombus Burden Acute ST-elevation Myocardial Infarction

Start date: July 1, 2022
Phase: N/A
Study type: Interventional

Recent guidelines for the management of ST-elevation myocardial infarction (STEMI) recommend against the routine use of thrombus aspiration (TA) during primary percutaneous coronary intervention (PPCI) (Class III indication). Yet, so far, there is limited data regarding its role STEMI patients with heavy thrombus burden (TB). The aim of this trial is to evaluate the effects of manual TA and PCI in comparison to conventional PCI alone in a real-life clinical trial among heavy TB STEMI patients undergoing PPCI.

NCT ID: NCT04528758 Suspended - Clinical trials for Coronary Artery Disease

F-18 Rhodamine 6G PET Imaging for Myocardial Blood Flow

Start date: October 16, 2018
Phase: Early Phase 1
Study type: Interventional

Use of novel radio-pharmaceutical Rhodamine 6G to determine myocardial blood flow

NCT ID: NCT03914079 Suspended - Clinical trials for Coronary Artery Disease

Evaluation of the CAD-det System, a Novel Non-Invasive Acoustic Diagnostic for the Diagnosis of Coronary Artery Disease

Start date: April 5, 2019
Study type: Observational [Patient Registry]

The primary purpose of this multi-center study is to collect and study the acoustic and electrical signals created by the heart during the cardiac cycle as a result of stenosis or plaque associated with coronary artery disease (CAD).

NCT ID: NCT03854071 Suspended - Clinical trials for Coronary Artery Disease

Development of Novel Physiological CMR Methods in Health and Disease

Start date: July 30, 2018
Phase: N/A
Study type: Interventional

Physiological cardiovascular stress test plays a crucial role in the assessment of patients with suspected heart disease. There are several methods of cardiac physiological stress tests and each of them offer varied insight into cardiac physiological adaptation: passive leg raise, intra-venous fluid challenge, pharmacological stressors and physical exercise stress test. Echocardiography, which is the mainstay for the non-invasive rest/stress assessment of the left ventricular (LV) haemodynamics has several limitations. Novel methods of CMR imaging allow to map intra-cardiac flow in three-dimension using novel flow acquisitions. These novel flow acquisitions are called four-dimensional flow CMR, where the fourth dimension is time. Additionally, traditional cine CMR imaging for functional assessment can now be done without breath-holds using advanced acceleration methods, allowing them to be used during exercise. A comprehensive understanding of functional-flow coupling at rest, during increased pre-load (fluid challenge) to the heart or during exercise, is lacking in the literature. There is an important need to validate these novel CMR methods for developing mechanistic insight into physiological cardiac adaptation to increased pre-load or to exercise in health and how it alters in heart disease.

NCT ID: NCT03729401 Suspended - Clinical trials for Coronary Artery Disease

Personalization of Long-Term Antiplatelet Therapy - RAPID EXTEND

Start date: August 22, 2019
Phase: Phase 4
Study type: Interventional

In patients after myocardial infarction (MI) (heart attacks) and treated with percutaneous coronary intervention (PCI), the current standard is dual antiplatelet therapy (DAPT), with aspirin and a P2Y12 receptor inhibitor, for 1 year of treatment. At 1 year, there are several options including: i) Ongoing DAPT (with aspirin and ticagrelor), ii) Selective treatment use of a P2Y12 inhibitor based on risk profiles. This study is a pilot vanguard study to evaluate several strategies for choosing anti-platelet regimen among patients post MI and PCI at 1 year.

NCT ID: NCT03316833 Suspended - Clinical trials for Coronary Artery Disease

The Rolex Registry (Revascularization Of LEft Main With Resolute onyX)

Start date: November 1, 2017
Study type: Observational

The primary objective of this study is to assess the safety and efficacy of the new-generation zotarolimus-eluting stent Resolute Onyx in the treatment of unprotected left main coronary artery disease (ULMCAD), both isolated or in association with two- or three-vessel coronary artery disease.