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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 …