Halozyme Therapeutics, Inc. is a biotechnology company headquartered in San Diego, California. Founded in 1998, it has 423 employees and is led by Chief Executive Officer Helen I. Torley. The company operates in the healthcare sector, with activities in the United States, Switzerland, Belgium, Japan, and other international markets.
The company researches, develops, and commercializes proprietary enzymes and drug-delivery devices. Its work includes oncology therapies intended to address the tumor microenvironment. Halozyme’s products use patented recombinant human hyaluronidase, or rHuPH20, an enzyme designed to support subcutaneous delivery of biologics, including monoclonal antibodies, other therapeutic molecules, small molecules, and fluids.
Halozyme offers Hylenex recombinant, which is used to aid dispersion and absorption of certain injected drugs and radiopaque agents, as well as XYOSTED, a subcutaneous testosterone replacement injection. Its technology is also associated with therapies and treatment applications spanning breast cancer, multiple sclerosis, primary immunodeficiency disorders, hematologic conditions, allergic reactions, melanoma, and autoimmune diseases.