Effects of scFOS on the composition of fecal microbiota and anxiety in patients with irritable bowel syndrome: a randomized, double blind, placebo controlled study

被引:101
作者
Azpiroz, F. [1 ,2 ]
Dubray, C. [3 ]
Bernalier-Donadille, A. [4 ]
Cardot, J-M [3 ]
Accarino, A. [1 ,2 ]
Serra, J. [1 ,2 ]
Wagner, A. [5 ]
Respondek, F. [5 ]
Dapoigny, M. [6 ]
机构
[1] Univ Hosp Vall dHebron, Digest Syst Res Unit, Ctr Invest Biomed Red Enfermedades Hepat & Digest, Barcelona, Spain
[2] Univ Autonoma Barcelona, Dept Med, Bellaterra, Cerdanyola Del, Spain
[3] Clermont Ferrand Hosp, Inserm CIC 501, Clin Pharmacol Ctr, Clermont Ferrand, France
[4] Clermont Ferrand Res Ctr, Microbiol Unit UR454, St Genes Champanelle, France
[5] Tereos, ZI & Portuaire, Marckolsheim, France
[6] Univ Auvergne, CHU Clermont Ferrand, INSERM UMR 1107, Neurodol, Clermont Ferrand, France
关键词
anxiety; fibers; fructooligosaccharides; irritable bowel syndrome; microbiota; CHAIN FRUCTO-OLIGOSACCHARIDES; ALTERED RECTAL PERCEPTION; TEMPORAL STABILITY; QUANTITATIVE PCR; SYMPTOM SEVERITY; HEALTHY HUMANS; BIFIDOBACTERIA; BUTYRATE; DISTENSION; RATS;
D O I
10.1111/nmo.12911
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
BackgroundShort-chain fructooligosaccharides (scFOS) have beneficial effects in subjects with minor digestive complaints, but the potential mechanisms involved have not been elucidated. The aim of the study was to evaluate changes in rectal sensitivity related to the clinical effects of scFOS in a selected group of patients with irritable bowel syndrome (IBS) and rectal hypersensitivity. MethodsIn 79 IBS patients (defined by Rome III criteria) with rectal hypersensitivity (defined as discomfort threshold 44g) a parallel, placebo-controlled, randomized, and double-blind study was performed to assess the effects of dietary supplementation (5gd(-1)) with scFOS vs placebo for 4weeks on rectal sensitivity (primary outcome: tolerance to increasing wall tension applied by a tensostat), clinical outcomes (IBS, anxiety/depression and quality of life scores) and composition of fecal microbiota. Key ResultsRectal discomfort threshold, and IBS and quality of life scores, significantly improved during treatment, but in a similar manner in both scFOS and placebo groups; a post-hoc analysis showed that the effect of scFOS on rectal sensitivity was more pronounced in constipation-predominant-IBS patients (P=.051 vs placebo). Contrary with placebo, scFOS significantly reduced anxiety scores and increased fecal Bifidobacteria (P<.05 for both) without modifying other bacterial groups. Conclusions & InterfencesThe effect of scFOS on anxiety may be related to modulation of the gut microbiota; demonstration of effects of scFOS on rectal sensitivity may require higher doses and may depend on the IBS subgroup.
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页数:8
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