|1||NCT01138553||Terminated||Preoperative Testing of the Anti-Progesterone Mifepristone in Early Stage Breast Cancer||
||Interventional||Early Phase 1||
||4||Female||18 Years and older (Adult, Senior)||NCT01138553||UCSD#100231||June 2010||June 2014||June 7, 2010||December 2, 2015||
|2||NCT02651844||Recruiting||Mifepristone for Breast Cancer Patients With Higher Levels of Progesterone Receptor Isoform A Than Isoform B.||
||20||Female||Child, Adult, Senior||NCT02651844||PIDC-2012-0084||MIPRA||April 2016||July 2018||December 2018||January 11, 2016||June 12, 2017||
|3||NCT00000611||Completed||Women's Health Initiative (WHI)||
||Female||50 Years to 79 Years (Adult, Senior)||NCT00000611||114||March 2005||October 28, 1999||April 15, 2016|
† Study has passed its completion date and status has not been verified in more than two years.