Fecal Microbiota Transplantation in Chronic Pouchitis: A Randomized, Parallel, Double-Blinded Clinical Trial

INFLAMMATORY BOWEL DISEASES(2021)

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摘要
Background: In ulcerative colitis, a pouchitis is the most common long-term adverse effect after proctocolectomy and ilea! pouch-anal anastomosis. Approximately 5% of patients develop chronic antibiotic-dependent or antibiotic-refractory pouchitis without any effective treatment. The aim of this trial was to investigate the efficacy and safety of fecal microbiota transplantation in the treatment of chronic pouchitis. Methods: This was a single-center, double-blinded, parallel group trial comparing donor fecal microbiota transplantation with placebo (autologous transplant) in chronic pouchitis.Twenty-six patients were recruited at the Helsinki University Hospital between December 2017 and August 2018 and were randomly allocated a 1:1 ratio to either donor fecal microbiota transplantation or placebo. The protocol included 2 transplantations into the pouch on weeks 0 and 4, and patients were followed up for 52 weeks. Results: Nine patients in the intervention group and 8 patients in the placebo group relapsed during the 52-week follow-up, and the relapsefree survival did not differ between the groups (P = 0.183, log-rank; hazard ratio, 1.90 [95% confidence interval, 0.73-4.98; P = 0.1901). In the subgroup analysis of patients using continuous antibiotics before the study, the relapse-free survival was shorter in the intervention group (P= 0.004, log-rank; hazard ratio, 13.08 [95% confidence interval, 1.47-116.60; P= 0.0211). No major adverse effects were reported. Conclusions: The fecal microbiota transplantation treatment regime used in our study was not effective in the treatment of chronic pouchitis. The safety profile of fecal microbiota transplantation was good.
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关键词
chronic pouchitis, fecal microbiota transplantation, ulcerative colitis
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