Antibiotic-associated diarrhea (AAD) frequently complicates treatment of infections. A recent randomized, double-blind, placebo-controlled trial tested a proprietary probiotic mixture and found that it reduced the incidence of AAD by 16%. This is encouraging for patients, but future progress on probiotics for AAD and other conditions depends on transparency around strain selection, probiotic design guided by preclinical mechanistic studies, and rigorously conducted human studies.
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http://dx.doi.org/10.1093/ofid/ofae616 | DOI Listing |
mSphere
January 2025
Department of Food Science and Technology and Nebraska Food for Health Center, University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
Treatment with antibiotics is a major risk factor for infection, likely due to depletion of the gastrointestinal microbiota. Two microbiota-mediated mechanisms thought to limit colonization include the conversion of conjugated primary bile salts into secondary bile salts toxic to growth and competition between the microbiota and for limiting nutrients. Using a continuous flow model that simulates the nutrient conditions of the distal colon, we investigated how treatment with 6 clinically used antibiotics influenced susceptibility to infection in 12 different microbial communities cultivated from healthy individuals.
View Article and Find Full Text PDFJ Inflamm (Lond)
January 2025
Department of Morphology, Faculty of Medicine, Federal University of Ceará, Fortaleza, CE, Brazil.
Clostridioides difficile, a spore-forming anaerobic bacterium, is the primary cause of hospital antibiotic-associated diarrhea. Key virulence factors, toxins A (TcdA) and B (TcdB), significantly contribute to C. difficile infection (CDI).
View Article and Find Full Text PDFBackground infection (CDI) is a significant healthcare concern, marked by its rising prevalence and associated morbidity and mortality. However, there is limited data on the epidemiology of CDI in the eastern region of India. Objectives The study aims to determine the incidence of CDI among adult patients admitted to the inpatient department of a tertiary care hospital and identify the risk factors associated with CDI.
View Article and Find Full Text PDFInfect Dis Clin Microbiol
December 2024
Department of Medical Microbiology, Giresun University School of Medicine, Giresun, Türkiye.
Objective: is one of the leading causes of antibiotic-associated diarrhea. Recurrent infection (rCDI) is significant because of prolonged hospital stays, morbidity, and additional costs. Our study aimed to examine the characteristics of infections and investigate factors associated with recurrence.
View Article and Find Full Text PDFSci Rep
December 2024
Foodborne and Waterborne Diseases Research Center , Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Clostridioides difficile is the leading cause of healthcare- and antibiotic-associated diarrhea. Surface layer protein A (SlpA), an essential component of the bacterium's outermost layer, contributes to colonization and inflammation. The peroxisome proliferator-activated receptor gamma (PPAR-γ) has been demonstrated to improve intestinal integrity and prevent inflammation in host cells.
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