While many tumors in patients with ER /HER2- metastatic breast cancer respond to anti-estrogen therapy, almost all will eventually start to grow again despite the estrogen pathway being shut down. Therefore, there is a need to better understand the other pathways involved in tumor cell growth (Pfizer sponsored).

Visit breastcancervision.com to find out more about the global state of metastatic breast cancer and to learn
about the impact of breast cancer on women, please visit breastcancer-matters.eu.