Amgen ESA Sales Dive In The Biotech’s “Toughest” Year

Sales of Amgen's Aranesp and Epogen took a hit in the fourth quarter as the safety of erythropoiesis-stimulating agents was questioned, Amgen reported during its fourth quarter and year-end earnings call Jan. 24. Going into 2008, the company will develop a risk management plan and other strategies to help address the situation