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Probiotics and prebiotics have shown promise in Ulcerative Colitis (UC) through effects on gut homeostasis and barrier integrity. We investigated the efficacy of a symbiotic preparation containing inulin, fructo-oligosaccharides (FOS), Lactobacillus rhamnosus GG, bromelin, boswellia, vitamin D3, quercetin, and L-tryptophan in patients with active mild-to-moderate UC.
This was a multicenter, retrospective, observational study conducted between January and June 2023. Disease activity was assessed using the Partial Mayo Score (PMS). Patients were evaluated at baseline, 8 weeks, and 16 weeks. The primary endpoint was clinical response, defined as a PMS reduction of ≥2 points. Secondary endpoints included changes in C-Reactive Protein (CRP), Fecal Calprotectin (FC), and safety outcomes.
Seventeen patients (8 males, 9 females) were enrolled. The median age at diagnosis was 48 years (IQR: 20–80), and the median disease duration was 10 years (IQR: 2-23). Clinical response was observed in 9/17 (52%) patients at week 8 and in 11/17 (64%) at week 16 (p = 0.697). The CRP values did not change significantly at follow-up. FC decreased significantly from baseline [252 µg/g (IQR: 76–359)] to week 8 [98 µg/g (IQR: 20–448), p < 0.02], but not at week 16. No adverse events were reported.
The symbiotic mixture demonstrated potential as an add-on therapy in UC, with favorable short-term effects on FC. However, the lack of sustained biomarker changes highlights the need for further studies.
This preliminary study suggests that supplementation with the evaluated symbiotic preparation is safe and may improve clinical outcomes in mild-to-moderate UC. Larger randomized controlled trials are required to validate these findings and assess long-term efficacy.
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