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Clinical Research Directory

Browse clinical research sites, groups, and studies.

8 clinical studies listed.

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Coronary Occlusion

Tundra lists 8 Coronary Occlusion clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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ACTIVE NOT RECRUITING

NCT06528821

AI-Powered ECG Detecting Culprit Vessel Blood Flow Abnormality in ACS

AI ECG TIMI is an investigator-initiated, international, and multicenter registry of acute coronary syndrome patients aimed to identify electrocardiographic findings detected by an AI model predicting coronary blood flow alteration. The aim of the study is to identify electrocardiographic findings detected by an automated artificial intelligence (AI) model that can predict coronary blood flow alteration as assessed by the TIMI grade flow at the very moment of the invasive coronary angiography in patients with acute coronary syndromes.

Gender: All

Ages: 18 Years - 85 Years

Updated: 2026-03-20

Acute Coronary Syndrome
STEMI
Coronary Occlusion
+3
ACTIVE NOT RECRUITING

NCT04604197

ANGiographic Evaluation of Left Main Coronary Artery INtErvention

To assess if an angiographic follow-up at 6 months after Percutaneous Coronary Intervention in Left Main Coronary Artery Disease decrease the composite objective of death, myocardial infarction, and stroke at 36 months.

Gender: All

Ages: 18 Years - 85 Years

Updated: 2026-02-13

5 states

Coronary Occlusion
Left Main Coronary Artery Disease
Coronary Artery Stenosis
+2
RECRUITING

NCT07330622

Polish Registry of Percutaneous Coronary Intervention for Chronic Total Occlusions

The goal of this observational study is to evaluate the safety, efficacy, and clinical outcomes of percutaneous coronary intervention (PCI) for chronic total occlusions (CTO) in patients treated in contemporary clinical practice in Poland. The main questions it aims to answer are: * What are the rates of procedural success and periprocedural complications of CTO PCI in routine clinical practice? * How do CTO PCI strategies and techniques, intravascular imaging, different treatment strategies, and mechanical circulatory support affect clinical outcomes? * How do clinical outcomes differ among different patient subgroups? * Can artificial intelligence-based analysis predict clinical and quality-of-life outcomes after CTO PCI? Patients undergoing CTO PCI as part of their standard medical care will be prospectively enrolled in a national, multicenter registry, with clinical, procedural, and follow-up data collected to evaluate real-world outcomes.

Gender: All

Ages: 18 Years - Any

Updated: 2026-01-09

Coronary Occlusion
Percutaneous Coronary Intervention
RECRUITING

NCT03588481

IRIS- DESyne X2 in the IRIS-DES Registry

This study evaluates effectiveness and safety of DESyne X2 in Routine Clinical Practice.

Gender: All

Ages: 19 Years - Any

Updated: 2026-01-02

Coronary Stenosis
Coronary Occlusion
Coronary Disease
RECRUITING

NCT06878729

Antegrade Dissection and Re-entry Versus Retrograde Strategy in CTO PCI

The ADRENALINE trial has been designed as a multi-center, prospective randomized study to compare the procedural and periprocedural outcomes of coronary chronic total occlusion (CTO) percutaneous coronary intervention (PCI) using antegrade dissection and re-entry (ADR) versus retrograde strategy. Beyond the patient-oriented outcomes, the influence of the studied CTO PCI strategies on the stress levels among interventional cardiologists will be explored. The main questions it aims to answer are as follows: * What is the difference between ADR versus retrograde strategy with regard to total procedure time, the rates of successful guidewire crossing and periprocedural complications as well as stress levels experienced by interventional cardiologists? * Is retrograde approach associated with higher rates of myocardial injury/infarction based on cardiac troponin/cardiac magnetic resonance (CMR) as compared with ADR? Participants will undergo pre- and postprocedural laboratory testing (cardiac troponin, CK-MB), CMR for late gadolinium enhancement and health status assessment. Subjects undergoing successful CTO PCI using antegrade wiring strategy will be included in the observational arm.

Gender: All

Ages: 18 Years - Any

Updated: 2026-01-02

1 state

Coronary Artery Disease
Coronary Occlusion
Percutaneous Coronary Intervention
NOT YET RECRUITING

NCT06565793

A MAajor RAdiation-based PCI Study in STEMI and NSTEMI

In France and Italy, approximately 240,000 percutaneous coronary angioplasties (PCI) are performed annually, with an increasing number of complex procedures, including those involving the left coronary common trunk, a bifurcation, chronic occlusion, or requiring Rotablator Rotary Atherectomy (ARota). The medical literature lacks sufficient data regarding several key aspects of complex angioplasty. These include the epidemiological characteristics of patients undergoing such procedures, the impact of irradiation delivered and the quantity of iodine injected on these lengthy procedures, their procedural complication rate, and in-hospital mortality.

Gender: All

Ages: 18 Years - 90 Years

Updated: 2024-12-27

Myocardial Infarction (MI)
Radiation Toxicity
Coronary Stenosis
+5
ACTIVE NOT RECRUITING

NCT06681584

Comparison of the Diagnostic Performance and Costs of FFRB Vs. Standard Care in Suspected Coronary Artery Disease.

Chest pain due to coronary artery disease (CAD) is a main driver of healthcare costs. Fractional flow reserve (FFR) measurement during invasive coronary angiography (ICA) is the gold standard to discriminate ischemia. A rapid simplified method had been developed to determine non-invasive FFR (FFRB) by applying computational fluid dynamics (CFD) simulation on anatomic models derived from computed tomographic coronary angiography (CTCA).In this current study, the aims is to compare the diagnostic accuracy, clinical effectiveness, safety outcomes, and quality of life of using FFRB on top of CTCA for CAD diagnosis and treatment planning, versus standard of care in Singapore; and measure health care resource utilization and assess cost-effectiveness of adopting FFRB on top of CTCA to support decision making in managing patients with suspected CAD.

Gender: All

Ages: 21 Years - 98 Years

Updated: 2024-11-08

Coronary Artery Disease
Cardiovascular Diseases
Cardiovascular; Stenosis
+6
RECRUITING

NCT06542393

PBM as Strategy to CABG Anemic Patients Bypass Graft (CABG)

Anemia poses risks during coronary artery bypass grafting (CABG), increasing complications and mortality rates. Blood transfusions in cardiac surgery have negative outcomes, prompting the use of erythropoietin in Patient Blood Management (PBM) to limit transfusion needs and enhance postoperative recovery. EPO can reduce blood component requirements, adverse events, and inflammation in anemic CABG patients. A study aims to minimize transfusions through a PBM anemia treatment protocol for CABG patients, comparing outcomes in three groups: a Control Group (CG), a Non-PBM Group (NPBMG) treated with blood components, and a PBM Group (GPBM) treated with EPO. Parameters include post-op stay, mortality, cardiovascular events, non-cardiovascular events, ICU time, mechanical ventilation duration, vasoactive drug use, inflammatory responses, and cardiac cell death. Analysis will consider demographic and clinical factors, with expectations that GPBM will yield superior results compared to NPBMG and similar or better outcomes than CG.

Gender: All

Ages: 18 Years - 80 Years

Updated: 2024-08-07

1 state

Anemia
Coronary Disease
Coronary Artery Disease
+5