AMGen (formerly Applied Molecular Genetics Inc.) is an American multinational
biopharmaceutical company headquartered in
Thousand Oaks, California. Located in the
Conejo Valley, AMGen is the world's largest independent
biotechnology firm. In 2013, the company's largest selling product lines were
Neulasta/
Neupogen, two closely related drugs used to prevent infections in patients undergoing cancer chemotherapy; and
Enbrel, a
tumor necrosis factor blocker used in the treatment of
rheumatoid arthritis and other autoimmune diseases. Other products include
Epogen,
Aranesp,
Sensipar/
Mimpara,
Nplate,
Vectibix,
Prolia and
XGEVA.
