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Prognostic impact of clinicopathologic parameters in stage II/III breast cancer treated with neoadjuvant docetaxel and doxorubicin chemotherapy: paradoxical features of the triple negative breast cancer

Cited 114 time in Web of Science Cited 138 time in Scopus
Authors

Keam, Bhumsuk; Im, Seock-Ah; Kim, Hee-Jun; Oh, Do-Youn; Kim, Jee Hyun; Lee, Se-Hoon; Chie, Eui Kyu; Han, Wonshik; Kim, Dong-Wan; Moon, Woo Kyung; Kim, Tae-You; Park, In Ae; Noh, Dong-Young; Heo, Dae Seog; Ha, Sung Whan; Bang, Yung-Jue

Issue Date
2007-11-01
Publisher
BioMed Central
Citation
BMC Cancer, Vol.7, p. 203
Abstract
Background: Prognostic factors in locally advanced breast cancer treated with neoadjuvant chemotherapy differ from those of early breast cancer. The purpose of this study was to identify the clinical significance of potential predictive and prognostic factors in breast cancer patients treated by neoadjuvant chemotherapy. Methods: A total of 145 stage II and III breast cancer patients received neoadjuvant docetaxel/doxorubicin chemotherapy were enrolled in this study. We examined the clinical and biological factors (ER, PR, p53, c-erbB2, bcl-2, and Ki-67) by immunohistochemistry. We analyzed clinical outcome and their correlation with clinicopathologic parameters. Results: Among the clinicopathologic parameters investigated, none of the marker was correlated with response rate (RR) except triple negative phenotype. Patients with triple negative phenotype showed higher RR (83.0% in triple negative vs. 62.2% in non-triple negative, p = 0.012) and pathologic complete RR (17.0% in triple negative vs. 3.1% in non-triple negative, p = 0.005). However, relapse free survival (RFS) and overall survival (OS) were significantly shorter in triple negative breast cancer patients (p < 0.001, p = 0.021, respectively). Low histologic grade, positive hormone receptors, positive bcl-2 and low level of Ki-67 were associated with prolonged RFS. In addition, positive ER and positive bcl-2 were associated with prolonged OS. In our homogeneous patient population, initial clinical stage reflects RFS and OS more precisely than pathologic stage. In multivariate analysis, initial clinical stage was the only significant independent prognostic factor to impact on OS (hazard ratio 3.597, p = 0.044). Conclusion: Several molecular markers provided useful predictive and prognostic information in stage II and III breast cancer patients treated with neoadjuvant docetaxel/doxorubicin chemotherapy. Triple negative phenotype was associated with shorter survival, even though it was associated with a higher response rate to neoadjuvant chemotherapy.
ISSN
1471-2407
Language
English
URI
https://hdl.handle.net/10371/10910
DOI
https://doi.org/10.1186/1471-2407-7-203
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  • College of Medicine
  • Department of Medicine
Research Area Clinical Medicine

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