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This is a prospective, randomized, multicenter study to evaluate WMT in improving nutritional status in malnourished patients who underwent upper gastrointestinal rerouting surgery. In this multicenter trial, fifty-six patients will be enrolled in four Chinese sites. Participants will be randomized at a ratio of 1:1 to receive three WMTs through either mid-gut tube or colonic TET. After WMT, each participant will receive free diet plus 50% PEN. PEN should last for 4 weeks at home, with stool samples taken and stored at baseline, week 1, and 4 after WMT.
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Background: Malnutrition is a common complication of upper gastrointestinal rerouting surgery. The potential of washed microbiota transplantation (WMT) in improving nutritional status have been reported. The surgery procedure alters the anatomy and physiology of the digestive tract, which might impact the efficacy and safety of WMT when choosing different delivery way. This study aims to explore the optimal delivery of WMT in malnourished patients after rerouting of the upper gastrointestinal tract.
Methods and design: This multicenter, open-label, and randomized controlled trial will be conducted at four tertiary hospitals in China. Enteral nutrition (EN) will be administrated at enrollment. Participants will be then randomized at a ratio of 1:1 to receive three WMTs through either mid-gut tube or colonic transendoscopic enteral tubing (TET). Then the patients will receive free diet coupled with partial enteral nutrition (PEN) for 4 weeks in both groups, with stool samples taken and stored at baseline, week 1, and 4 after WMT. The observation duration is 4 weeks. The primary outcomes include clinical response rate (serum albumin ≥ 35 g/L at week 4 after WMT) and clinical remission rate (body mass index increased by 5% at week 4 after WMT). The secondary outcomes include nutritional status, appetite, laboratory parameters, adverse events and comprehensive analysis of the fecal microbiota.
Conclusion: It is estimated that WMT would help relieve emaciation and improve nutrition status. Moreover, this trial has the potential to identify the optimal delivery of WMT for patients undergoing upper gastrointestinal rerouting surgery.
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56 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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