Ontology highlight
ABSTRACT:
SUBMITTER: Tan BR
PROVIDER: S-EPMC3068061 | biostudies-literature | 2011 Mar
REPOSITORIES: biostudies-literature
Tan Benjamin R BR Thomas Fabienne F Myerson Robert J RJ Zehnbauer Barbara B Trinkaus Kathryn K Malyapa Robert S RS Mutch Matthew G MG Abbey Elliot E EE Alyasiry Amer A Fleshman James W JW McLeod Howard L HL
Journal of clinical oncology : official journal of the American Society of Clinical Oncology 20110104 7
<h4>Purpose</h4>Downstaging (DS) of rectal cancers is achieved in approximately 45% of patients with neoadjuvant fluorouracil (FU) -based chemoradiotherapy (CRT). Polymorphisms in the thymidylate synthase gene (TYMS) had previously defined two risk groups associated with disparate tumor DS rates (60% v 22%). We conducted a prospective single-institution phase II study using TYMS genotyping to direct neoadjuvant CRT for patients with rectal cancer.<h4>Patients and methods</h4>Patients with T3/T4, ...[more]