Chronic kidney disease (CKD) patients undergoing maintenance hemodialysis experience profound alterations in their gut microbiota, leading to dysbiosis and increased gut permeability. This disruption facilitates the translocation of endotoxins and gut-derived uremic toxins such as indoxyl sulfate and p-cresyl sulfate into the systemic circulation, contributing to heightened systemic inflammation, cardiovascular disease risk, and accelerated CKD progression. Synbiotic supplementation, particularly multispecies formulations, has emerged as a promising therapeutic strategy to restore gut microbial balance, enhance intestinal barrier integrity, and reduce the systemic burden of deleterious microbial metabolites. These probiotics potentially improve clinical outcomes by modulating inflammatory pathways and decreasing circulating levels of uremic toxins. Despite these insights, few clinical trials have comprehensively assessed the effects of multispecies synbiotic on fecal microbiome composition, gut permeability and uremic toxin profiles in hemodialysis patients. This pilot study aims to fill this gap by evaluating the modulatory effects of a 12-week multispecies synbiotic intervention.
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Evaluate changes in fecal microbiomes
Timeframe: 1 years
Assess the serum levels of uremic toxins
Timeframe: 1 years
Assess the serum levels of and gut permeability markers
Timeframe: 1 years