Homozygous CDA*3 is a major cause of life-threatening toxicities in gemcitabine-treated Japanese cancer patients

  • H. Ueno
  • , N. Kaniwa
  • , T. Okusaka
  • , M. Ikeda
  • , C. Morizane
  • , S. Kondo
  • , E. Sugiyama
  • , S. R. Kim
  • , R. Hasegawa
  • , Y. Saito
  • , T. Yoshida
  • , N. Saijo
  • , J. Sawada

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

Among 242 Japanese pancreatic cancer patients, three patients (1.2%) encountered life-threatening toxicities, including myelosuppression, after gemcitabine-based chemotherapies. Two of them carried homozygous CDA*3 (CDA208G>A[Ala70Thr]), and showed extremely low plasma cytidine deaminase activity and gemcitabine clearance. Our results suggest that homozygous *3 is a major factor causing gemcitabine-mediated severe adverse reactions among the Japanese population.

Original languageEnglish
Pages (from-to)870-873
Number of pages4
JournalBritish Journal of Cancer
Volume100
Issue number6
DOIs
StatePublished - 24 Mar 2009
Externally publishedYes

Keywords

  • CDA208G>A
  • Gemcitabine
  • Pharmacogenomics
  • Polymorphism
  • Toxicity
  • pancreatic cancer

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