Arvinas Inc is a United States-based biopharmaceutical company focused on improving the lives of patients suffering from debilitating and life-threatening diseases through the discovery, development and commercialization of therapies that degrade disease-causing proteins.. The company's proprietary Proteolysis-Targeting Chimera (PROTAC), work by inducing the cell's own ubiquitin-proteasome system to target, degrade and remove disease-causing proteins.