期刊
CANCER
卷 106, 期 11, 页码 2421-2427出版社
WILEY
DOI: 10.1002/cncr.21885
关键词
haplotype; nucleotide excision repair; platinum-based chemotherapy; lung cancer; XPD
类别
BACKGROUND. The treatment of lung cancer has reached a therapeutic plateau. Several mechanisms of platinum resistance have been described, including the removal of platinum-DNA adduct by nucleotide excision repair (NER). Polymerphisms within the Xeroderma pigmentosum Group D protein (XPD), a member of the NER pathway, are associated with alterations in enzyme activity and may change sensitivity to platinum-based chemotherapy. The authors investigated the relation between XPD polymorphisms and treatment response, toxicity, and overall survival in patients who received platinum-based chemotherapy for advanced nonsmall cell lung cancer (NSCLC). METHODS. Between 2001 and 2002, 108 patients with chemotherapy-naive, advanced NSCLC were recruited. Associations between XPD312/751 polymorphisms and XPD haplotype and treatment response, toxicity. and survival were evaluated. RESULTS. Significant correlations were observed between XPD haplotype and Grade 4 neutropenia and overall survival together with a greater response to platinum-based chemotherapy for the XPD *A haplotype. CONCLUSIONS. The XPD haplotype may represent a useful pharmacogenomic marker of platinum-based chemotherapy in patients with advanced NSCLC and requires prospective validation.
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