Regnum Corp. develops and commercializes therapeutics that treat rare and infectious diseases. It develops Leronlimab (PRO 140), a monoclonal antibody C"C chemokine receptor type 5 antagonist, that is designed to prevent human immunodeficiency virus from entering human cells. The company was incorporated in 2016 and is based in New York, New York. Address: 600 Third Avenue, New York, NY, United States, 10016