| Japanese Journal of Clinical Oncology | Pages |
Press Release
National Cancer Institute
Office of Cancer Communication
1 p.m. EDT Monday, April 6, 1998
Breast Cancer Prevention Trial Shows Major Benefit, Some Risk
Six years after its inception, the Breast Cancer Prevention Trial (BCPT) shows a 45 per cent reduction in breast cancer incidence among the high-risk participants who took tamoxifen (Nolvadex[), a drug used for the past two decades to treat breast cancer.
As a result, investigators released the initial study results about 14 months earlier than expected. They also notified the 13,388 women participants of the findings, so those women who had been taking the placebo could consider starting tamoxifen therapy after consulting with their personal physicians. Participants will continue to be followed by the National Surgical Adjuvant Breast and Bowel Project (NSABP), the Pittsburgh-based research network that conducted the trial with support from the National Cancer Institute (NCI).
In this trial, healthy women assigned to take tamoxifen developed 85 cases of invasive breast