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Cancer Treat Rev. 1993 Apr;19 Suppl B:45-63.

Cell biological factors associated with the response of breast cancer to systemic treatment.

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  • 1Department of Medical Oncology, Rotterdam Cancer Institute (Dr Daniel den Hoed Cancer Center), The Netherlands.

Abstract

A large number of cell biological parameters are currently available to predict the prognosis of patients with breast cancer, but it is still difficulty accurately to predict the response to treatment. A valuable prognostic factor can be a poor predictive factor for response, and vice versa. High tumor levels of ER, PgR, AR and pS2 predict a relatively good response to endocrine therapy, while EGF-R positively, HER2/neu positivity, aneuploidy, high proliferation indices and possibly high uPA levels indicate a high chance of poor response to endocrine therapy in metastatic breast cancer. With respect to chemotherapy, a high proliferation rate and HER2/neu amplification predict a good response to therapy in metastatic disease, while MDR gene expression and possibly c-myc amplification are related to a worse response. In conclusion, the newer cell biological parameters can be used to select high and low-risk patients, type of systemic treatment, and as targets for new treatment modalities.

PMID:
8481934
[PubMed - indexed for MEDLINE]
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