Rechallenging Fluoropyrimidine-Induced Cardiotoxicity and Neurotoxicity: A Report of Two Cases.

Cureus

Department of Hematology and Oncology, Allegheny Health Network, Pittsburgh, USA.

Published: July 2022


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Article Abstract

Fluoropyrimidines (FP's) such as fluorouracil (5-FU) and capecitabine are antimetabolites widely used in many solid tumors. FPs side effects are caused mainly by a lack of dihydropyrimidine dehydrogenase (DPD) enzyme. It has been noticed that treatment with infusional regimens of 5-FU is associated with more adverse events (AE) compared to bolus forms. Here, we report two cases of unusual side effects seen with infusional 5-FU and capecitabine and how early intervention by withholding ongoing treatment can help in preventing progression and mortality.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9372383PMC
http://dx.doi.org/10.7759/cureus.26824DOI Listing

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