4 studies were found.

1.		Recruiting	Celecoxib in Preventing Breast Cancer in At-Risk Premenopausal Women Condition: Breast Cancer
2.		Completed	Indole-3-Carbinol in Preventing Breast Cancer in Nonsmoking Women Who Are at High Risk For Breast Cancer Condition: Breast Cancer
3.		No longer recruiting	LY353381 in Preventing Breast Cancer in Women With Hyperplasia Condition: Breast Cancer
4.		No longer recruiting	Tamoxifen Compared With LY353381 in Treating Women With Newly Diagnosed Breast Cancer Conditions: stage I breast cancer; intraductal breast carcinoma; stage II breast cancer; breast cancer in situ