Overview Effectiveness Of The Drug GSK189254 In Treating Patients With Narcolepsy Status: Terminated Trial end date: 2008-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the effectiveness and safety of the drug GSK189254 in treating patients with narcolepsy. Phase: Phase 2 Details Lead Sponsor: GlaxoSmithKlineTreatments: HistamineHistamine H3 Antagonists