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Hepatology. 2017 Dec;66(6):1727-1738. doi: 10.1002/hep.29306. Epub 2017 Oct 30.

Fecal microbiota transplant from a rational stool donor improves hepatic encephalopathy: A randomized clinical trial.

Author information

1
Virginia Commonwealth University and McGuire VA Medical Center, Richmond, VA.
2
OpenBiome, Somerville, MA.
3
Massachusetts Institute of Technology, Cambridge, MA.
4
George Mason University, Manassas, VA.
5
Institute of Hepatology London, Foundation for Liver Research, London, United Kingdom.
6
Imperial College, London, United Kingdom.

Abstract

Recurrent hepatic encephalopathy (HE) is a leading cause of readmission despite standard of care (SOC) associated with microbial dysbiosis. Fecal microbiota transplantation (FMT) may improve dysbiosis; however, it has not been studied in HE. We aimed to define whether FMT using a rationally derived stool donor is safe in recurrent HE compared to SOC alone. An open-label, randomized clinical trial with a 5-month follow-up in outpatient men with cirrhosis with recurrent HE on SOC was conducted with 1:1 randomization. FMT-randomized patients received 5 days of broad-spectrum antibiotic pretreatment, then a single FMT enema from the same donor with the optimal microbiota deficient in HE. Follow-up occurred on days 5, 6, 12, 35, and 150 postrandomization. The primary outcome was safety of FMT compared to SOC using FMT-related serious adverse events (SAEs). Secondary outcomes were adverse events, cognition, microbiota, and metabolomic changes. Participants in both arms were similar on all baseline criteria and were followed until study end. FMT with antibiotic pretreatment was well tolerated. Eight (80%) SOC participants had a total of 11 SAEs compared to 2 (20%) FMT participants with SAEs (both FMT unrelated; P = 0.02). Five SOC and no FMT participants developed further HE (P = 0.03). Cognition improved in the FMT, but not the SOC, group. Model for End-Stage Liver Disease (MELD) score transiently worsened postantibiotics, but reverted to baseline post-FMT. Postantibiotics, beneficial taxa, and microbial diversity reduction occurred with Proteobacteria expansion. However, FMT increased diversity and beneficial taxa. SOC microbiota and MELD score remained similar throughout.

CONCLUSION:

FMT from a rationally selected donor reduced hospitalizations, improved cognition, and dysbiosis in cirrhosis with recurrent HE. (Hepatology 2017;66:1727-1738).

PMID:
28586116
PMCID:
PMC6102730
DOI:
10.1002/hep.29306
[Indexed for MEDLINE]
Free PMC Article

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