Infusion of fecal material taken from a healthy donor promptly leads to establishment of
donor-like composition of fecal bacteria in the recipient and normalizatio of gastrointestinal symptoms. Clinical efficacy of FMT, as defined by abrogation of CDI recurrence over 1–2 months following
cessation of antibiotics, is approximately 90% in multiple case series
of consecutive patients treated [18]. Furthermore, FMT is confirmed
to be effective over vancomycin in a randomized, controlled trial
[3].