Genes Identified That Predict Whether Trastuzumab Will Work For Breast Cancer Patient
 

Adding the drug trastuzumab to chemotherapy prevents cancer recurrence and improves survival in a large number of women with early stage HER2-positive breast cancer. But trastuzumab does not stop tumors from returning in about 25 percent of patients - and oncologists haven't been able to identify these women before treatment...

More...