One of the world's leading biotechnology companies, Genzyme Corporation, makers of Thyrogen^® (thyrotropin alfa for injection), is dedicated to making a major positive impact on the lives of people with serious diseases. With many established products and services helping patients in more than 80 countries, Genzyme is a leader in the effort to develop and apply the most advanced technologies in the life sciences. The company's products and services are focused on rare inherited disorders, kidney disease, orthopedics, cancer, transplant and immune diseases, and diagnostic testing.