DUBLIN, Ireland, March 01, 2021 (GLOBE NEWSWIRE) -- Avadel Pharmaceuticals plc AVDL today announced that the U.S. Food and Drug Administration (FDA) has accepted for review the Company's New Drug Application (NDA) for FT218, an investigational, once-nightly formulation of sodium oxybate for the treatment of excessive daytime sleepiness and cataplexy in adults with narcolepsy. The FDA assigned the NDA a Prescription Drug User Fee Act (PDUFA) target action date of October 15, 2021.