Use of frozen native feces for fecal microbiota transplantation in recurrent Clostridioides difficile infection: a simple way to improve the efficiency of donor feces preparation.

Abstract

Preparing fecal microbiota transplants immediately after donation is resource-intensive, and a proportion are destroyed following abnormal screening results. We retrospectively compared two processes, frozen fecal preparation (FFP) and fresh native frozen preparation (FNFP), for clinical efficacy in the treatment of recurrent Clostridioides difficile infection (rCDI). FFP and FNFP were similarly effective with clinical success rates of 76.7% and 86.7% (P = 0.32), respectively. FNFP is an efficient procedure that saves resources while maintaining clinical efficacy in rCDI.