 DUBLIN, Ireland, April 29, 2021 GLOBE NEWSWIRE -- Avadel Pharmaceuticals plc Nasdaq: AVDL, a company focused on developing FT218, an investigational, once-nightly formulation of sodium oxybate designed to treat excessive daytime sleepiness and cataplexy in patients with narcolepsy, announced today that it will host a conference call and live webcast at 8:30 a.m. ET on Monday, May 10, 2021, to provide a corporate update and discuss the Companys financial results for the first quarter ended March 31, 2021. 