molecule superoxide dismutase enzyme mimetic that rapidly converts superoxide to hydrogen peroxide and oxygen. GC4419 achieved positive results in a Phase 2b clinical trial, which demonstrated its ability to reduce the incidence and duration of radiation-induced severe oral mucositis in patients with head and neck cancer, it's lead indication. The U.S. Food and Drug Administration granted Fast Track and Breakthrough Therapy designations to GC4419.

The company was established in 2009 and is headquartered in Malvern, Pennsylvania, United States.