A new antibiotic has shown effectiveness in fighting the superbug C. diff in a clinical trial. However, reports on the specifics of the treatment vary, with some mentioning a metabolite therapy, a probiotic, or different antibiotic names, such as ibezapolstat and zosurabalpin. The effectiveness of different approaches to treating C. diff is being explored, amid concerns about the difficulty of killing the bacteria, including with hospital disinfectants.