Roche is a global leader in the discovery and development of medicines and diagnostics, focused on helping people live better, longer lives through scientific advances. By combining pharmaceuticals and diagnostics under one roof, Roche is a leader in personalised healthcare - a strategy that aims to give every patient the best possible treatment. Roche is the world's largest biotech company with differentiated medicines for oncology, immunology, infectious diseases, ophthalmology and central nervous system disorders. Roche is also the most important provider of in vitro diagnostics and tissue-based cancer tests and a pioneer in diabetes management.