Overview Evaluation of the Efficacy and Safety of Lubiprostone in Adults With Mixed or Unsubtyped Irritable Bowel Syndrome Status: Terminated Trial end date: 2016-12-01 Target enrollment: Participant gender: Summary A study of the efficacy and safety of Lubiprostone in subjects diagnosed with IBS-M/IBS-U. Phase: Phase 2 Details Lead Sponsor: Sucampo AGSucampo Pharma Americas, LLCCollaborators: Sucampo AGSucampo Pharma Americas, LLCTakedaTreatments: Lubiprostone