Tamoxifen reduces breast cancer rate in at-risk healthy women by nearly a third, finds study

Taking tamoxifen for five years has been found to reduce the rate of breast cancer by 29% among healthy women at high risk of developing the disease, a long term study has found.

Between 1992 and 2001 7154 women aged 35-70 with an increased risk of breast cancer, primarily because they had a family history, were enrolled into the International Breast Cancer Intervention Study I and were randomly allocated to receive either tamoxifen (3579) or placebo (3575) for five years. Researchers continued to track the health of all …