Hantavirus scare on cruise ship prompts WHO response

	Gastroenterology
	The latest gastroenterology‎ news from News Medical

	Hantavirus scare on cruise ship prompts WHO response Hantavirus infections among cruise ship passengers have sparked a global health response, highlighting the need for effective outbreak management strategies.

	Researchers uncover how bacterial toxin damages colon lining cells to trigger cancer Since a landmark 2009 study, researchers have known that a common gut bacterium, Bacteroides fragilis, drives colon tumor formation, potentially leading to colorectal cancer, by secreting a toxin that damages the lining of the colon.

			Study highlights breakthrough in overcoming diminishing returns of sequential IBD therapies For patients with Crohn's disease or ulcerative colitis who have exhausted other treatment options, a new combination therapy is showing results that offer hope for one of medicine's most treatment-resistant populations, according to findings from two studies to be presented today at Digestive Disease Week® (DDW) 2026.

			Slow and steady wins: Low-dose peanut immunotherapy safely desensitizes 82% of preschoolers in landmark trial A Swedish randomized trial found that slow up-dosing peanut oral immunotherapy with a low maintenance dose helped 82% of preschool children achieve sustained peanut tolerance after three years. The approach proved safer than conventional protocols, with severe reactions uncommon and strong family adherence throughout treatment.

			How a common gut bacterium may protect health Akkermansia muciniphila's impact on immunity and pregnancy outcomes underscores its promise as a probiotic, with implications for infectious disease treatment.

	U.S. bariatric surgery rates drop significantly amid GLP-1 surge The number of metabolic and bariatric surgery procedures in the United States dropped below 200,000 in 2024 for the first time since 2020, a more than 20% decline from the prior year, according to new research presented today at the annual scientific meeting of the American Society for Metabolic and Bariatric Surgery.

	GLP-1 drugs combined with surgery yield superior weight loss results People who begin obesity treatment with glucagon-like peptide-1 receptor agonists (GLP-1s) and then undergo metabolic and bariatric surgery achieve substantially greater weight loss than with the medications alone, according to new research presented today at the annual meeting of the American Society for Metabolic and Bariatric Surgery.

	The role of gut bacteria in sustained diabetes improvement Changes in gut microbiota after bariatric surgery are strongly linked to altered metabolic health and sustained improvement in type 2 diabetes, according to a study led by researchers at the University of Gothenburg.

	Bariatric surgery costs significantly less than GLP-1 drugs over two years A new real-world analysis of more than 90,000 patients with obesity and type 2 diabetes finds metabolic and bariatric surgery is costs significantly less than weekly injections of GLP-1 drugs over a two-year period, according to a new research presented today at the annual scientific meeting of the American Society for Metabolic and Bariatric Surgery.

	Children face lasting challenges after caustic esophageal injury surgery Caustic ingestion remains a serious pediatric health problem, especially in domestic settings where corrosive substances may be improperly stored.

	MRM Health’s Lead Candidate MH002 Granted Fast Track Designation by U.S. FDA for the Treatment of Mild-to-Moderate Ulcerative Colitis MRM Health, a clinical-stage biopharmaceutical company developing therapeutics for immune-mediated diseases, which unlock the power of the microbiome to restore immune balance, today announced that MH002, the Company’s lead rationally designed Live Biotherapeutic Product (LBP) candidate, has been granted Fast Track designation by the U.S. Food and Drug Administration (FDA) for the treatment of mild-to-moderate ulcerative colitis (UC).

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