Redhill Biopharma Ltd.'s opaganib hydrochloride (ABC-294640) has been selected by the Radiation and Nuclear Countermeasures Program (RNCP), of the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH), for the nuclear medical countermeasures product development pipeline as a potential treatment for acute radiation syndrome (ARS).