The study was stopped after an interim analysis. Of 16 patients in the infusiongroup, 13 (81%) had resolution of C. difficile–associated diarrhea after the first infusion.The3remainingpatientsreceivedasecondinfusionwithfecesfromadifferentdonor,withresolutionin2patients.ResolutionofC.difficileinfectionoccurredin4of13patients(31%)receivingvancomycinaloneandin3of13patients(23%)receivingvancomycinwithbowellavage(P<0.001forbothcomparisonswiththeinfusiongroup).Nosignificantdifferencesinadverseeventsamongthethreestudygroupswereobservedexceptformilddiarrheaandabdominalcrampingintheinfusiongroupontheinfusionday.Afterdonor-fecesinfusion,patientsshowedincreasedfecalbacterialdiversity,similartothatinhealthydonors,withanincreaseinBacteroidetes species and clostridium clusters IV and XIVa and a decrease inProteobacteria species.
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