• Paul Feuerstadt, Caterina Oneto, Glenn Tillotson, and Nicholas W Van Hise.
• Division of Digestive Disease, Yale School of Medicine, New Haven, CT, USA.
• Patient Prefer Adher. 2023 Jan 1; 17: 215321592153-2159.

IntroductionCDI is a recurrent disease that is treated with antibiotics, but patients commonly experience repeat infections with significant impacts on hospital budgets and patient health quality. Standard of care management includes the antibiotics, vancomycin and fidaxomicin, which frequently provide clinical response, but do not avoid recurrence of Clostridioides difficile infection (rCDI). These recurrent infections occur due to dysbiosis of the colonic microbiota. One adjunctive therapeutic approach is to restore the deficient gastrointestinal flora using fecal microbiota transplantation (FMT) or live biotherapeutic products (LBP) when given after standard of care antimicrobials, which have been successful in reducing repeat infections with success rates up to 88%. FMT or LBP can be given by various routes.MethodsTwo groups of subjects aged ≥18 years with at least one previous CDI episode within the previous 36 months completed self-administered online surveys to assess the acceptability of an LBP administered rectally. Group 1 consisted of LBP-recipients who had received RBL (REBYOTA) rectally as part of the Phase III PUNCH CD3 clinical trial. Group 2 consisted of LBP-naïve subjects who volunteered to participate and had experienced CDI within the prior 36 months but had no history of receiving FMT or LBP therapy.ResultsLBP-recipients considered rectal administration easy (96%) and quick (94%), while 98% of respondents considered the lack of need for bowel preparation appealing. Most LBP-recipients (96%) wished they had earlier access to RBL. Most LBP-naïve subjects (87%) were likely or somewhat likely to consider a rectally administered treatment and 80% preferred a treatment option that does not require bowel preparation. Many of these subjects (76%) expressed interest in finding out about new treatment options for rCDI.DiscussionLBP-recipients and LBP-naïve subjects alike felt that rectal delivery of microbiome therapy is not only acceptable but highly interesting as a treatment avenue.© 2023 Feuerstadt et al.

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