A Trial of Endocrine Response in Women with Invasive Lobular Breast Cancer

Study Overview

To study whether fulvestrant is more effective than anastrozole or tamoxifen in reducing Ki67 in ILC and whether that Ki67 reduction will correlate with alterations in expression of ER and ER-regulated genes. Differential Ki67 effect in this study will serve as a surrogate for outcome of ILC patients on endocrine therapy.

• Study Identifier: 843276