Overview Safety and Efficacy Study of IPX159 in Restless Legs Syndrome (RLS) Status: Completed Trial end date: 2013-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether IPX159 is safe and effective in treating symptoms of RLS in subjects with Restless Legs Syndrome. Phase: Phase 2 Details Lead Sponsor: IMPAX Laboratories, Inc.Impax Laboratories, LLC