Realm Therapeutics plc does not have significant operations. It intends to invest in, partner with, acquire, and/or be acquired by a company with development potential in the life sciences sector or other business prospects. Previously, it was engaged in developing therapies for the treatment of immune mediated diseases in adults and children. The company was formerly known as PuriCore plc and changed its name to Realm Therapeutics plc in December 2016. Realm Therapeutics plc was founded in 2016 and is headquartered in Malvern, Pennsylvania. As of July 31, 2019, Realm Therapeutics plc operates as a subsidiary of ESSA Pharma Inc.