© 2001 by Oxford University Press
Journal of the National Cancer Institute, Vol. 93, No. 13, 961,
July 4, 2001
© 2001 Oxford University Press
MEMORANDUM FOR: Science Writers and Editors on the Journal Press List
Tamoxifen Therapy for Breast Cancer Reported to Increase Risk of Estrogen Receptor-Negative Tumors in the Contralateral Breast
June 28, 2001 (EMBARGOED FOR RELEASE 4 P.M. EDT July 3)
A new study shows that giving tamoxifen to women with breast cancer decreases their risk of developing cancer in the contralateral (opposite) breast that is estrogen receptor (ER) positive, but it possibly increases their risk of developing an ER-negative tumor. Nevertheless, an accompanying editorial questions the conclusions and raises the question of whether these findings can be translated into clinical practice.
The findings are presented by Christopher Li, M.D., M.P.H., and colleagues at the