Extended Endocrine Therapy Clinical Impact: Breast Cancer Index Registry

Impact of the Breast Cancer Index for Extended Endocrine Decision-Making: First Results of the Prospective BCI Registry Study

The BCI Registry study is an ongoing, prospective, large-scale, multicenter study investigating long-term clinical outcomes, decision impact, and medication adherence in patients with HR-positive early-stage breast cancer receiving BCI testing as part of routine clinical care. This study aimed to assess the impact of BCI on clinical decision-making regarding EET based on the first 1,000 patients enrolled in the BCI Registry study out of an enrollment goal of 3,000.1

Available free from Journal of the National Comprehensive Cancer Network.

1. Sanft TB et al. J Natl Compr Canc Netw. 2024; 22(2):99-107.

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