Overview A Study of Ridinilazole (SMT19969) Compared With Fidaxomicin for the Treatment of Clostridium Difficile Infection (CDI) Status: Completed Trial end date: 2016-08-01 Target enrollment: Participant gender: Summary The purpose of this research study is to evaluate the safety and effectiveness of Ridinilazole (SMT19969) in treating C. difficile Infection (CDI). Phase: Phase 2 Details Lead Sponsor: Summit TherapeuticsTreatments: Fidaxomicin