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Small intestinal bacterial overgrowth: from malabsorption to misinterpretation.
Minerva Gastroenterol (Torino)
January 2025
Houston Methodist Hospital and Weill Cornell Medical College, Lynda K and David M Underwood Center for Digestive Disorders, Houston, TX, USA -
Small intestinal bacterial overgrowth (SIBO) was originally described as a cause of maldigestion and malabsorption in situations where disruptions of intestinal anatomy or physiology favored the proliferation of bacteria normally confined to the colon. In this context, the pathogenesis of symptoms resulting from SIBO was well described. More recently, the concept of SIBO was extended to explain symptoms such as bloating, altered bowel habit and discomfort among individuals with irritable bowel syndrome and since then a whole host of gastrointestinal and extragastrointestinal disorders have been attributed to SIBO.
View Article and Find Full Text PDFSafety and immunogenicity of a bivalent norovirus vaccine candidate in infants from 6 weeks to 5 months of age: A phase 2, randomized, double-blind trial.
Hum Vaccin Immunother
December 2025
Clinical Development, Takeda Pharmaceuticals International AG, Zurich, Switzerland.
As infants suffer significant morbidity and mortality due to norovirus-related acute gastroenteritis (AGE), we assessed four formulations of the bivalent virus-like particle (VLP) vaccine candidate (HIL-214) in Panamanian and Colombian infants. 360 infants aged 6 weeks to 5 months were randomly allocated to 8 groups to receive three doses of HIL-214 or two doses of HIL-214 and one dose of placebo (Days 1, 56 and 112), where HIL-214 doses contained 15/15, 15/50, 50/50 or 50/150 μg of GI.1/GII.
View Article and Find Full Text PDFGenetic correlation, pleiotropic loci and shared risk genes between major depressive disorder and gastrointestinal tract disorders.
J Affect Disord
January 2025
Healthy Food Evaluation Research Center, West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, China; Food Safety Monitoring and Risk Assessment Key Laboratory of Sichuan Province, Chengdu 610041, China. Electronic address:
Background: Major depressive disorder (MDD) is associated with gastrointestinal tract (GIT) disorders, while genetic correlation, pleiotropic loci and shared risk genes remain to be explored.
Methods: Leveraging genome-wide association study statistics for MDD (n = 170,756), peptic ulcer disease (PUD; n = 16,666), gastroesophageal reflux disease (GORD; n = 54,854), PUD and/or GORD and/or medications (PGM; n = 90,175), irritable bowel syndrome (IBS; n = 28,518), and inflammatory bowel disease (IBD; n = 7045), we determined global and local genetic correlations, identified pleiotropic loci, performed gene-level evaluations, and inferred causal associations using bidirectional Mendelian randomization.
Results: We found global correlation of MDD with PUD (r = 0.
Efficacy and Safety of a Mixture of Microencapsulated Sodium Butyrate, Probiotics, and Short Chain Fructooligosaccharides in Patients with Irritable Bowel Syndrome-A Randomized, Double-Blind, Placebo-Controlled Study.
J Clin Med
December 2024
Health, Nutrition & Care, DSM-Firmenich, 4303 Kaiseraugst, Switzerland.
Biotics are increasingly being used in the treatment of irritable bowel syndrome (IBS). This study aimed to assess the efficacy and safety of a mixture of microencapsulated sodium butyrate, probiotics ( DSM 26357, DSM 32418, DSM 32946, DSM 32403, and DSM 32269), and short-chain fructooligosaccharides (scFOSs) in IBS patients. This was a randomized, double-blind, placebo-controlled trial involving 120 adult participants with IBS.
View Article and Find Full Text PDFExploring Gut Microbiota Imbalance in Irritable Bowel Syndrome: Potential Therapeutic Effects of Probiotics and Their Metabolites.
Nutrients
December 2024
Department of Pharmacology, Centro de investigación Biomédica (CIBM), University of Granada, 18071 Granada, Spain.
Irritable bowel syndrome is a common functional gastrointestinal disorder characterized by recurrent abdominal discomfort, bloating, cramping, flatulence, and changes in bowel movements. The pathophysiology of IBS involves a complex interaction between motor, sensory, microbiological, immunological, and psychological factors. Diversity, stability, and metabolic activity of the gut microbiota are frequently altered in IBS, thus leading to a situation of gut dysbiosis.
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