Hepion Pharmaceuticals, Inc., a biopharmaceutical company, focuses on the development of treatment for hepatocellular carcinoma (HCC) and other chronic liver diseases in the United States. It develops Rencofilstat, a therapeutic drug candidate that binds and inhibits the function of a specific class of isomerase enzymes called cyclophilins that regulates protein folding, as well as preclinical experiments of Rencofilstat reflects decreased liver fibrosis; liver inflammation; liver tumor burden; and titers of HBV, HCV, HDV, and HIV-1. The company was formerly known as ContraVir Pharmaceuticals, Inc. and changed its name to Hepion Pharmaceuticals, Inc.