Overview Loperamide Grapefruit Juice Interaction PK Trial Status: Completed Trial end date: 2008-11-01 Target enrollment: Participant gender: Summary A 10-day study to determine if grapefruit juice has any effect on how loperamide (Imodium) affects the body and how the body affects loperamide. Phase: Phase 1 Details Lead Sponsor: Johnson & Johnson Consumer and Personal Products WorldwideTreatments: AntidiarrhealsLoperamide