Genetic Variants in the <i>UDP-glucuronosyltransferase 1A1</i> Gene Predict the Risk of Severe Neutropenia of Irinotecan

Abstract

UGT1A1 genotype and total bilirubin levels are strongly associated with severe neutropenia, and could be used to identify cancer patients predisposed to the severe toxicity of irinotecan. The hypothesis that the -3156G>A variant is a better predictor of UGT1A1 status than the previously reported TA indel requires further testing.