In a study presented at the 35th Congress of the European Society for Medical Oncology (ESMO), Dr Giovanni Bernardo from Fondazione Maugeri in Pavia, Italy, presented results that suggested it may be possible to identify subsets of metastatic brea…
Breast cancer tumors that stop responding to the drug tamoxifen actually change their cellular characteristics and become responsive to other types of drugs, including Herceptin, according to oncologists at the Duke Comprehensive Cancer Center. “In the process of becoming resistant to tamoxifen, the tumors alter their qualities and become receptive to Herceptin and other drugs that target the HER-2 receptor,” said Kimberly Blackwell, M.D., assistant professor of oncology at Duke.