5-Fluorouracil-Induced Coronary Vasospasm

Laura K. Shoemaker, Umesh Arora, Caio Max S. Rocha Lima

Research output: Contribution to journalArticlepeer-review

66 Scopus citations


Background: Cardiotoxicity is a rare but well-documented adverse effect of 5-fluorouracil (5-FU). The underlying cause of this side effect of 5-FU is uncertain. Methods: We present a case report of a 63-year-old man treated for metastatic colon cancer who experienced chest pain while being treated with the FOLFIRI regimen. This case report documents coronary artery spasm on catheterization observed with the continuous infusion of 5-FU. Results: Cardiac catheterization obtained within 36 hours of the onset of chest pain revealed marked coronary vasospasm in the obtuse marginal coronary artery and a right coronary artery with a critical obstructive atherosclerotic plaque. Electrocardiogram revealed the myocardium area associated with the event was diffuse rather than localized to the right coronary artery. Conclusions: This observation supports the vasospastic hypothesis for 5-FU-induced angina. Although rare, this type of cardiotoxicity with 5-FU is a potentially lethal side effect. Therapy with 5-FU should be discontinued and patients should be promptly treated.

Original languageEnglish (US)
Pages (from-to)46-49
Number of pages4
JournalCancer Control
Issue number1
StatePublished - 2004

ASJC Scopus subject areas

  • Hematology
  • Oncology


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