Data were also presented on Evista, an osteoporosis drug from Eli Lilly , that Mayer viewed as far more certain.

FORBES: Can Cholesterol Drugs Prevent Cancer?

In the past McAvoy convinced Mexican regulators to keep a copy of Evista, the osteoporosis drug, off the market by showing that it didn't dissolve properly.

FORBES: Bad Medicine

Likewise, increased use of the osteoporosis drug raloxifene (Evista), which has also been shown to have a protective effect against breast cancer, could have played a role.

CNN: Falling breast cancer rates: What's behind the numbers?

Data were also presented on Evista, an osteoporosis drug from Eli Lilly (nyse: LLY - news - people ), that Mayer viewed as far more certain.

FORBES: Can Cholesterol Drugs Prevent Cancer?

For instance, other data presented at the recent oncology meeting seem to indicate that Evista, an osteoporosis drug made by Eli Lilly (nyse: LLY - news - people ), may also prevent breast cancer.

FORBES: Is Lipitor The New Aspirin?

Other drugs are being studied for their promise in preventing breast cancer, including a Vitamin A-derivative called fenretinide and the antiosteoporosis drug raloxifene, sold by Eli Lilly lly (nyse: lly - news - people) under the brand name Evista.

FORBES: Old Breast Cancer Drug Brings in New Money