CHANGE: FDA Revokes Approval Of Avastin For Breast Cancer. “The government delivered a blow to some desperate patients Friday as it ruled the blockbuster drug Avastin should no longer be used to treat advanced breast cancer. Avastin is hailed for treating colon cancer and certain other malignancies. But the Food and Drug Administration said it appeared to be a false hope for breast cancer: Studies haven’t found that it helps those patients live longer or brings enough other benefit to outweigh its dangerous side effects.” Were costs a factor here?