Cohort Description

The Black Women: Etiology and Survival of Triple-negative Breast Cancers (BEST) Study consists of Black women diagnosed with breast cancer in Florida or Tennessee at or below age 50 between the years 2009-2014. Recruitment into the BEST Study is facilitated through the state cancer registries and is on-going.

An outline of the current cohort is below:

BEST Study
Total Participants = 653
Mean age at enrollment (years)45
Mean age at first breast cancer diagnosis (years)42
Recruited through Florida Cancer Registry551
Recruited through Tennessee Cancer Registry102
Baseline questionnaire data available601
Saliva samples received559
Genetic testing of DNA completed422
Breast cancer tumors received393
Tumor sequencing of RNA completed222
Clinical data available486