Luis Alberto More1, Sarah Lane1, Aarti Asnani2,3,4. 1. CardioVascular Institute, Beth Israel Deaconess Medical Center, Boston, MA, USA. 2. CardioVascular Institute, Beth Israel Deaconess Medical Center, Boston, MA, USA. aasnani@bidmc.harvard.edu. 3. Harvard Medical School, Boston, MA, USA. aasnani@bidmc.harvard.edu. 4. Center for Life Sciences, 3 Blackfan Circle, Room 911, Boston, MA, 02215, USA. aasnani@bidmc.harvard.edu.
Abstract
PURPOSE OF REVIEW: 5-fluorouracil (5-FU) is one of the most common causes of cardiotoxicity associated with chemotherapy. The manifestations of 5-FU cardiotoxicity are diverse, and there are no established clinical guidelines addressing the diagnosis and management of this condition. Here we summarize the mechanistic and clinical data available to guide clinicians in caring for patients with suspected 5-FU cardiotoxicity. RECENT FINDINGS: The decision to resume 5-FU treatment in patients with suspected cardiovascular toxicity remains challenging. Testing for predisposing genetic variants may be helpful, particularly in patients with other signs of 5-FU toxicity. Uridine triacetate is a recently approved antidote that can improve clinical outcomes in patients with life-threatening fluoropyrimidine cardiotoxicity. 5-FU cardiotoxicity remains poorly understood, with limited mechanistic or prospective clinical trial data available to define risk factors or effective management strategies. Risk stratification and therapeutic decisions should be individualized, based on the risk-benefit ratio of continuing 5-FU therapy for each patient.
PURPOSE OF REVIEW: 5-fluorouracil (5-FU) is one of the most common causes of cardiotoxicity associated with chemotherapy. The manifestations of 5-FUcardiotoxicity are diverse, and there are no established clinical guidelines addressing the diagnosis and management of this condition. Here we summarize the mechanistic and clinical data available to guide clinicians in caring for patients with suspected 5-FUcardiotoxicity. RECENT FINDINGS: The decision to resume 5-FU treatment in patients with suspected cardiovascular toxicity remains challenging. Testing for predisposing genetic variants may be helpful, particularly in patients with other signs of 5-FUtoxicity. Uridine triacetate is a recently approved antidote that can improve clinical outcomes in patients with life-threatening fluoropyrimidinecardiotoxicity. 5-FUcardiotoxicity remains poorly understood, with limited mechanistic or prospective clinical trial data available to define risk factors or effective management strategies. Risk stratification and therapeutic decisions should be individualized, based on the risk-benefit ratio of continuing 5-FU therapy for each patient.
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