Abstract
Currently available information suggests that the optimal duration of adjuvant therapy for breast cancer patients with no involved axillary nodes is 5 years, though controversy about this recommendation persists. In postmenopausal patients, disease-free survival appears to be improved by the addition of combination chemotherapy to tamoxifen. Recently reported studies indicate that there is no benefit to dose escalation of cyclophosphamide in adjuvant therapy and that the risk of secondary leukemia may be increased. The combination of paclitaxel and doxorubicin has been reported in single-institution studies to produce high response rates but may also be cardiotoxic. Recent reports indicate that a pharmacokinetic interaction between these two drugs may cause these clinical findings. New agents that may be of utility in the management of advanced or primary breast cancer include novel hormonal agents, notably the aromatase inhibitors, and the bisphosphonates.
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