Top Selling Biologic Drugs, In Billions

Source: Federal Trade Commission, 2009 report. Sales figures are based on worldwide sales in 2008. Biologic drugs, which are made with living cells, are a fast-growing sector of the pharmaceutical industry. They're used for disease treatment, prevention or cure of disease. For more than a decade, biotech and generic drug manufacturers have been battling over when and how the federal government should permit cheaper, generic versions of biologic drugs.