Drugmaker

Pfizer says it could be leader in cancer with many new drugs

A decade ago, the world's second-biggest drugmaker by revenue wasn't even a player in cancer medicine. Instead, it was known for erectile dysfunction treatment Viagra and blockbuster cholesterol fighter Lipitor.

New York-based Pfizer Inc. then chose to make cancer one of its core research areas, pitting it against cancer powerhouses including Novartis AG, Roche Holding AG, Bristol-Myers Squibb Co. and Merck & Co.