Prempro Use May Double Breast Cancer Risk: Study

Law360, New York (October 20, 2010, 4:19 PM EDT) -- Women diagnosed with cancer after taking hormone-replacement therapy drugs like Wyeth's Prempro were more likely to succumb to the disease, according to new data released just an hour after Wyeth won a trial in multidistrict litigation over the menopause drug.

The research released Tuesday, an extension of a study paid for by the National Institutes of Health between 1993 and 2002, suggests that cancers diagnosed after HRT use are more aggressive and potentially twice as deadly.

That conflicts with research cited by Pfizer Inc. — which...
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