Our 2,500 professionals around the world in Research and Development apply their combined knowledge, creativity and passion every day to push forward into new frontiers of medical science.
In Research, we employ state-of-the-art technology in searching for breakthrough therapeutic solutions, including exciting new possibilities opened up by human genomics. Scientific rigor, laboratory experience and even human intuition are critical to selecting the best drug candidates.
Our Clinical Development organization transforms biologically active compounds and new chemical entities into safe, effective medicines of the highest quality. Managing dozens of simultaneous trials with thousands of patients around the world is a monumental task that demands strategic planning as well as attention to the smallest details.
Above all, it requires an absolute dedication to safeguarding the health of patients.

At every link in the chain from initial discovery to rigorous pre-clinical testing and clinical development, we examine the value of integrating the expertise of external partners to move our projects forward. Throughout our R&D organization, there is a real sense of urgency to discover and develop better medical treatments that will transform the lives of patients afflicted by cancer, multiple sclerosis, infertility or other serious diseases.