Overview Fidaxomicin to Prevent Clostridium Difficile Colonization Status: Withdrawn Trial end date: 2013-12-01 Target enrollment: Participant gender: Summary The purpose of this research study is to evaluate the effectiveness of an antibiotic called fidaxomicin in preventing C. difficile infection. Phase: Phase 4 Details Lead Sponsor: Washington University School of MedicineCollaborator: Centers for Disease Control and PreventionTreatments: Fidaxomicin