Gender-specific genomic profiling in metastatic colorectal cancer patients treated with 5-fluorouracil and oxaliplatin.

Abstract:

AIMS:Survival and response rates in metastatic colorectal cancer remain poor, despite advances in drug development. There is increasing evidence to suggest that gender-specific differences may contribute to poor clinical outcome. We tested the hypothesis that genomic profiling of metastatic colorectal cancer is dependent on gender. MATERIALS & METHODS:A total of 152 patients with metastatic colorectal cancer who were treated with oxaliplatin and continuous infusion 5-fluorouracil were genotyped for 21 polymorphisms in 13 cancer-related genes by PCR. Classification and regression tree analysis tested for gender-related association of polymorphisms with overall survival, progression-free survival and tumor response. RESULTS:Classification and regression tree analysis of all polymorphisms, age and race resulted in gender-specific predictors of overall survival, progression-free survival and tumor response. Polymorphisms in the following genes were associated with gender-specific clinical outcome: estrogen receptor β, EGF receptor, xeroderma pigmentosum group D, voltage-gated sodium channel and phospholipase A2. CONCLUSION:Genetic profiling to predict the clinical outcome of patients with metastatic colorectal cancer may depend on gender.

journal_name

Pharmacogenomics

journal_title

Pharmacogenomics

authors

Gordon MA,Zhang W,Yang D,Iqbal S,El-Khouiery A,Nagashima F,Lurje G,Labonte M,Wilson P,Sherrod A,Ladner RD,Lenz HJ

doi

10.2217/pgs.10.163

subject

Has Abstract

pub_date

2011-01-01 00:00:00

pages

27-39

issue

1

eissn

1462-2416

issn

1744-8042

journal_volume

12

pub_type

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