Gilead's Metamorphoses

Founded to pursue antisense, Gilead recognized that antisense was too long-term to support the continual financings they knew would be necessary to create a self-sustaining drug business. Thus Gilead began a series of transformations, eventually crafting an image for itself as a near-term antiviral company. Sidebar: Isis Stays Pure: As Gilead has shape-shifted into an antiviral player, Isis has continued to carry the antisense torch. And, says Stanley Crooke, MD, PhD, the company's CEO, Isis' develop