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Abstract
The 1990s have seen the emergence of several classes of new efficacious drugs which have become established as treatment for breast cancer. Thus, aromatase inhibitors, taxanes and herceptin have all emerged as potentially valuable therapeutic agents for treatment of advanced breast cancer. Bisphosphonates have found a place in preventing skeletal complications in breast cancer patients with bone metastasis. Tamoxifen has a new role in chemoprevention in patients at high risk of breast cancer. This paper summarises these results.