Prolonged use of a proton pump inhibitor reduces microbial diversity: implications for Clostridium difficile susceptibility

Abstract excerpt

BACKGROUND: The role of the gut microbiome in arresting pathogen colonization and growth is important for protection against Clostridium difficile infection (CDI). Observational studies associate proton pump inhibitor (PPI) use and CDI incidence. We hypothesized that PPI use affected the distal gut microbiome over time, an effect that would be best explored by time-longitudinal study of healthy subjects on PPI in...

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