TIRANA-ACS: A Prospective Registry Study for the Targeted Investigation of Residual Inflammation After Non-ST/ ST Elevation Acute Coronary Syndrome

Recruiting now

Conditions studied: ACS (Acute Coronary Syndrome), Myocardial Infarction (MI), Myocardial Inflammation, Inflammation Biomarkers, NSTEMI - Non-ST Segment Elevation MI, STEMI

In brief

This prospective observational study aims to evaluate the prognostic significance of the neutrophil-to-lymphocyte ratio (NLR) as a predictor of mortality in patients following an episode of Acute Coronary Syndrome (ACS). Despite advancements in interventional cardiology and medical therapy, mortality remains significant in post-ACS patients, and early risk stratification is essential for optimizing outcomes. Recent studies have suggested that systemic inflammatory markers, such as NLR, are associated with adverse cardiovascular events. It is an easily obtainable and cost-effective laboratory parameter derived from a routine complete blood count. However, its value as an independent predictor of mortality post-ACS has not yet been fully established in our population. The study will include patients aged, admitted with a confirmed diagnosis of ACS (STEMI or Non-STEMI) and treated with percutaneous coronary intervention (PCI). NLR values will be measured from the first blood draw upon hospital admission, 24 and 48 hours post PCI. Patients will be followed up for up to 6 months after discharge through telephone interviews . First, primary outcomes of the study will be the association between NLR values and mortality (all cause mortality and cardiovascular mortality), MACE (MACE was defined as the composite of all-cause mortality, cardiac death, unplanned revascularization, non-fatal myocardial infarction that was attributable and not related to stent failure or unplanned revascularization not related to stent failure) within 6 months post-ACS. Secondary outcomes will include: 1. Differences in mean NLR between STEMI and NSTEMI patients. 2. Association between elevated NLR and the presence of multivessel coronary artery disease on angiography. 3. Correlation of NLR with other biomarkers, including the platelet-to-lymphocyte ratio (PLR), C-reactive protein (CRP), high-density lipoprotein (HDL) cholesterol, and maximum troponin levels (as an indicator of myocardial infarction size) This study aims to contribute to the identification of easily accessible and cost-efficient biomarkers that can aid clinicians in early risk stratification of ACS survivors. A strong correlation between high NLR values and increased post-discharge mortality would suggest that inflammation plays a key role in patient prognosis and could potentially influence post-ACS management strategies.

Key facts

Study ID: NCT07026708
Run by: University Hospital Centre Mother Teresa
People needed: 1600
Starts: 2024-11-01
Expected to finish: 2027-06-01
Last updated by the study team: 2025-09-30

Who can join

Age: 18 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

All patients (undergoing PCI, aged 18-85 years) presenting to the cardiology department or/and the cardiology intensive care unit with a diagnosis of ACS

You may not qualify if…

Patients presenting to the cardiology department or/and the cardiology intensive care unit with diagnoses other than ACS and/or UA. Patients who died before undergoing PCI and those who did not provide a contact number.

Where it is running

Faculty of Medicine Tirana — Tirana, Albania (enrolling)

Full record on ClinicalTrials.gov

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