Trimetazidine in Chronic Coronary Syndrome and Coronary Artery Disease: A Narrative Review of Clinical Efficacy, Safety, and Current Guideline Position
Abstract
Background: Chronic coronary syndrome (CCS) is a major source of morbidity and healthcare utilization, and a substantial proportion of patients continue to experience angina despite contemporary revascularization and guideline-directed medical therapy. Trimetazidine, a metabolic anti-ischemic agent that does not affect heart rate or blood pressure, has been used for decades as a non-hemodynamic add-on. Its position in international guidelines, however, has shifted. We aimed to synthesize current evidence on the clinical efficacy, safety, and guideline status of trimetazidine in CCS and coronary artery disease (CAD) and to delineate clinical circumstances in which a symptom-directed trial may be considered. Methods: We performed a structured narrative review of randomized controlled trials, network and conventional meta-analyses, and large observational studies indexed in PubMed/MEDLINE, Embase, and the Cochrane Library between January 1990 and March 2026. Reference lists of eligible articles, international clinical practice guidelines, and regulatory communications from European and national agencies were also examined. Results: Across pooled analyses, trimetazidine modestly but reproducibly improved exercise tolerance and reduced angina frequency and short-acting nitrate use, with efficacy comparable to other non–heart-rate-lowering antianginal agents. Improvements in left ventricular function were reported in small, single-center studies in ischemic cardiomyopathy and…
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