
WILMINGTON, Del-AstraZen-eca announced in a news release that the FDA has approved Nolvadex (tamoxifen) to reduce the risk of invasive breast cancer in women with ductal carcinoma in situ (DCIS) following breast surgery and radiation. Nolvadex is the first medication to be approved for DCIS, which accounts for nearly 20% of all newly diagnosed breast cancers, the company said.