Genzyme Corp (Genzyme), a subsidiary of Sanofi, is a biotechnology company developing specialty care treatments targeting rare diseases, oncology, rare blood disorders, immunology and multiple sclerosis. It offers products for the treatment of indications, including various forms of cancer, mucopolysaccharidosis I, multiple sclerosis, Gaucher disease type 1, long-term enzyme replacement therapy, acute lymphoblastic leukemia, atopic dermatitis, management of uric acid levels, fabry disease, rheumatoid arthritis, Pompe disease, non-Hodgkin's lymphoma, multiple myleoma, gastric adenocarcinoma and squamous cell carcinoma, among others. It operates a research and development lab and manufacturing plants in the US and other countries. Genzyme is headquartered in Cambridge, Massachusetts, the US.