ArticleJournal of oncology pharmacy practice : official publication of the International Society of Oncology Pharmacy Practitioners2025
Investigation of 5-fluorouracil cardiotoxicity in combinational therapy: Influence of risk factors and demographics in a Pakistani population.
Article in Journal of oncology pharmacy practice : official publication of the International Society of Oncology Pharmacy Practitioners, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Methylated PIH1D1 as a Heart-Specific Biomarker for Anthracycline-Induced Cardiac Remodeling in Breast Cancer Patients.JACC. Basic to translational science · 2026Article
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Abstract
Introduction5-Fluorouracil (5-FU) is a chemotherapeutic agent used to treat various types of cancers. Although widely used, it has consistently been attributed to cardiotoxicities after administration. The purpose of this study was to assess the parameters and predictors of cardiotoxicities associated with various 5-FU-based chemotherapeutic protocols in patients with GI/colorectal cancer, as well as the correlation of these cardiotoxic events with age, sex, cumulative dose, and risk factors such as obesity, hypertension, and family history of cardiac diseases.MethodsA prospective study consisting of 396 patients of both sexes was conducted in the oncology ward of Nishtar Hospital in Multan, Pakistan. Patients were grouped according to the therapeutic protocol they received (5-FU monotherapy or in combination, with different dosing regimens). Electrocardiography and serum troponin levels were used to assess 5-FU-induced cardiotoxicity. In cases where cardiotoxicity was detected, 5-FU treatment was interrupted; nitroglycerin, nitrates, and calcium channel blockers were administered; and cardiac monitoring was initiated. 5-FU was discontinued in all cases of acute myocardial infarction.ResultsOf the 396 patients, 28.5% reported different cardiotoxic symptoms after receiving various 5-FU-containing protocols. 35% had anginal pain, 13% suffered a myocardial infarction, 11% developed hypertension, and 10% presented heart failure. Patients receiving 5-FU combination therapy showed cardiotoxic events that were significantly different from those on 5-FU monotherapy. Based on the ECG results, only the QTc-d interval increased significantly (p < 0.001) after therapy. 68% of the patients had troponin levels > 2 ng/mL at the end of treatment.ConclusionsPre-existing cardiac diseases, treatment duration, smoking, and obesity were found to be influential components in the development of cardiotoxicity, and patients with cancer should be closely monitored during 5-FU chemotherapy.
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