Internal Memos on Hormone Replacement Therapy Drugs Prempro and Premarin May Hurt Wyeth
Sunday, August 27th, 2006Wyeth may have known as early as the 1970’s that its hormone replacement drug, which later became Prempro, was associated with a high rate of breast cancer. According to recent published reports, Wyeth researchers saw cancer risks associated with hormone-replacement drugs as early as 1976. These concerns were brought to the attention of Wyeth executives several years later in the form of an internal memo. This memo alerted Wyeth executives that the FDA’s request for more extensive safety testing of Prempro could publicly reveal the drugs link to breast cancer.
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