Anastrozole preferred to tamoxifen for treatment of early-stage breast cancer
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The Arimidex, Tamoxifen, Alone or in Combination (ATAC) trial concluded that anastrozole was more effective than tamoxifen in preventing recurrence of breast cancer. The ATAC Trialists' Group recently reported results from a detailed analysis of the safety and tolerability of the two compounds and combined these data with efficacy outcomes to produce overall risk–benefit indices. The researchers found that anastrozole was better tolerated, produced fewer adverse events, had a superior risk–benefit profile and was associated with a lower breast cancer recurrence rate than tamoxifen.
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