Overview A Study of the Efficacy and Safety of JZP-258 in Subjects With Narcolepsy With Cataplexy Status: Completed Trial end date: 2019-07-10 Target enrollment: Participant gender: Summary This is a double-blind, placebo-controlled, randomized-withdrawal, multicenter study of the efficacy and safety of JZP-258. Phase: Phase 3 Details Lead Sponsor: Jazz Pharmaceuticals