Capecitabine-induced hand-foot syndrome: A pharmacogenetic study beyond DPYD

Mirjam de With, Leni van Doorn, Demi C. Maasland, Tessa A.M. Mulder, Esther Oomen-de Hoop, Bianca Mostert, Marjolein Y.V. Homs, Samira El Bouazzaoui, Ron H.J. Mathijssen, Ron H.N. van Schaik, Sander Bins*

*Corresponding author for this work

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Abstract

Aim of the study: Occurrence of hand-foot syndrome (HFS) during capecitabine treatment often results in treatment interruptions (26 %) or treatment discontinuation (17 %), and can severely decrease quality of life. In this study, we investigated whether single nucleotide polymorphisms (SNPs) in genes involved in capecitabine metabolism – other than DPYD – are associated with an increased risk for capecitabine-induced HFS. Methods: Patients treated with capecitabine according to standard of care were enrolled after providing written informed consent for genotyping purposes. Prospectively collected blood samples were used to extract genomic DNA, which was subsequently genotyped for SNPs in CES1, CES2 and CDA. SNPs and clinical baseline factors that were univariably associated with HFS with P ≤ 0.10, were tested in a multivariable model using logistic regression. Results: Of the 446 patients eligible for analysis, 146 (32.7 %) developed HFS, of whom 77 patients (17.3 %) experienced HFS ≥ grade 2. In the multivariable model, CES1 1165–33 C>A (rs2244613, minor allele frequency 19 %) and CDA 266 + 242 A>G (rs10916825, minor allele frequency 35 %) variant allele carriers were at higher risk of HFS ≥ grade 2 (OR 1.888; 95 %CI 1.075–3.315; P = 0.027 and OR 1.865; 95 %CI 1.087–3.200; P = 0.024, respectively). Conclusions: We showed that CES1 1165–33 C>A and CDA 266 + 242 A>G are significantly associated with HFS grade 2 and grade 3 in patients treated with capecitabine. Prospective studies should assess whether this increased risk can be mitigated in carriers of these SNPs, when pre-emptive genotyping is being followed by dose adjustment or by alternative treatment by a fluoropyrimidine that is not substrate to CES1, such as S1.

Original languageEnglish
Article number114232
JournalBiomedicine and Pharmacotherapy
Volume159
DOIs
Publication statusPublished - Mar 2023

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