Overview Pilot Study to Assess the Effects of AV608 on Irritable Bowel Syndrome Status: Terminated Trial end date: 2007-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the effects of AV608, a neurokinin 1 (NK-1) antagonist, in subjects with Irritable Bowel Syndrome. Phase: Phase 1 Details Lead Sponsor: Avera PharmaceuticalsCollaborator: University of California, Los Angeles