News: FDA Approves Genetic Test for Breast Cancer (HealthDay) FDA Approves Genetic Test for Breast Cancer (HealthDay) ================================================================================ by team on 08 July, 2008 06:47:00 HealthDay - TUESDAY, July 8 (HealthDay News) -- A genetic test to determine whether a breast cancer patient is likely to respond to treatment with the drug Herceptin (trastuzumab) has been approved by the U.S. Food and Drug Administration.