| One of the world's top biotechs, Serono focuses on recombinant genetic engineering to develop drugs. With operations in 45 countries ranging from marketing to manufacturing to research and development, the Swiss firm is a leader in reproductive health; flagship drug Gonal-F accounts for 30% of Serono's sales. The firm also focuses on neurological, metabolic, and human growth disorders. Other recombinant products include treatments for multiple sclerosis (Rebif, more than a quarter of sales), growth hormone deficiency, and AIDS-related wasting. With Rebif's approval for MS in the US, Serono hopes to claim market share from leader Biogen. |