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pubmed:abstractText |
The role of molecular markers in predicting the response to treatment of breast cancer is poorly defined. The Cancer and Leukemia Group B (CALGB) conducted a randomized adjuvant-chemotherapy trial (CALGB 8541) comparing three doses (high, moderate, and low) of cyclophosphamide, doxorubicin, and fluorouracil in 1572 women with node-positive breast cancer. This study (CALGB 8869) was designed to determine whether the DNA index, the S-phase fraction, c-erbB-2 expression, or p53 accumulation could be used as a marker to identify a subgroup of patients more likely than others to benefit from high doses of chemotherapy.
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