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Clin Colorectal Cancer. 2007 Mar;6(6):447-9.

Reversible grade 4 hyperbilirubinemia in a patient with UGT1A1 7/7 genotype treated with irinotecan and cetuximab.

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1
Department of Medicine, Roswell Park Cancer Institute, Buffalo, NY 14263, USA.

Abstract

Irinotecan-induced gastrointestinal toxicities are common and typically present in the form of diarrhea or nausea and vomiting. However, severe hyperbilirubinemia (grade 3/4) has not been previously reported in association with this chemotherapeutic agent. We report a case of prolonged grade 4 hyperbilirubinemia after a single dose of irinotecan at 125 mg/m(2). This severe toxicity was attributed to a UGT1A1 7/7 genotype and resolved to grade 2 after 8 weeks of supportive care. This case outlines the possibility of severe hepatic toxicity with moderate doses of irinotecan in patients with a UGT1A1 7/7 genotype. Despite the severity and prolonged duration of the associated irinotecan-induced hepatic toxicity, the management of similar cases should focus on intensive supportive measures because the toxicity is likely to resolve eventually.

PMID:
17531109
DOI:
10.3816/CCC.2007.n.015
[Indexed for MEDLINE]

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