Profile: Merck Serono S.A. offers innovative prescription drugs. Our therapeutic areas are oncology, neurodegenerative disease, fertility, endocrinology, cardiometabolic care and new specialist therapies. Our oncology category combines approaches that target the tumor cell, the tumor environment and the immune system to optimize therapeutic success. Our Erbitux® is used in the treatment of colorectal cancer. It blocks tumor growth and induce tumor regression. It is an IgG1 monoclonal antibody which, like the naturally occurring antibodies circulating as part of the body's immune system, specifically targets and locks on to a particular target. Our Rebif® is a disease modifying drug used to treat relapsing forms of multiple sclerosis (MS). It is identical to the interferon beta protein produced by the human body and has been approved for the treatment of relapsing forms of MS.