Breast Cancer Drug Approval Worries Experts

WASHINGTON - A Genentech drug received federal approval on Friday to treat breast cancer, a surprise decision that could represent a shift in standards for assessing the effectiveness of cancer medicines.

Going against the recommendation of its advisory panel, the Food and Drug Administration judged the effectiveness of Avastin based on measurements of tumor growth, not patient survival.

http://www.msnbc.msn.com/id/23298776/

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• Breast Cancer