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Moreels N, Boven A, Gressani O, Andersson FL, Vlieghe E, Callens S, Engstrand L, Simin J, Brusselaers N. The combined effect of systemic antibiotics and proton pump inhibitors on Clostridioides difficile infection and recurrence. J Antimicrob Chemother 2024; 79:608-616. [PMID: 38267263 PMCID: PMC10904719 DOI: 10.1093/jac/dkae012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 01/03/2024] [Indexed: 01/26/2024] Open
Abstract
BACKGROUND Antibiotics and proton pump inhibitors (PPI) are recognized risk factors for acquisition and recurrence of Clostridioides difficile infection (CDI), yet combined effects remain unclear. OBJECTIVES To assess the short- and long-term effects of antibiotics and PPIs on CDI risk and recurrence. METHODS Population-based study including all 43 152 patients diagnosed with CDI in Sweden (2006-2019), and 355 172 matched population controls without CDI. The impact of antibiotics and PPIs on CDI risk and recurrence was explored for recent (0-30 days) and preceding (31-180 days) use prior to their first CDI diagnosis, using multivariable conditional logistic regression presented as odds ratios (ORs) and 95% confidence interval, adjusted for demographics, comorbidities and other drugs. RESULTS Compared to controls, the combined effect of recent PPIs and antibiotics [ORAB+PPI = 17.51 (17.48-17.53)] on CDI risk was stronger than the individual effects [ORAB = 15.37 (14.83-15.93); ORPPI = 2.65 (2.54-2.76)]. Results were less pronounced for exposure during the preceding months. Dose-response analyses showed increasing exposure correlated with CDI risk [recent use: ORAB = 6.32 (6.15-6.49); ORPPI = 1.65 (1.62-1.68) per prescription increase].Compared to individuals without recurrence (rCDI), recent [ORAB = 1.30 (1.23-1.38)] and preceding [ORAB = 1.23 (1.16-1.31); ORPPI = 1.12 (1.03-1.21)] use also affected the risk of recurrence yet without significant interaction between both. Recent macrolides/lincosamides/streptogramins; other antibacterials including nitroimidazole derivates; non-penicillin beta lactams and quinolones showed the strongest association with CDI risk and recurrence, particularly for recent use. PPI use, both recent and preceding, further increased the CDI risk associated with almost all antibiotic classes. CONCLUSION Recent and less recent use of PPIs and systemic antibiotics was associated with an increased risk of CDI, particularly in combination.
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Affiliation(s)
- Nele Moreels
- Department of Microbiology, Centre for Translational Microbiome Research, Tumour and Cell Biology, Karolinska Institutet, Stockholm, Sweden
- I-BioStat, Data Science Institute, Hasselt University, Hasselt, Belgium
| | - Annelies Boven
- Department of Microbiology, Centre for Translational Microbiome Research, Tumour and Cell Biology, Karolinska Institutet, Stockholm, Sweden
- Department of Family Medicine and Population Health, Global Health Institute, Antwerp University, Antwerp, Belgium
| | - Oswaldo Gressani
- I-BioStat, Data Science Institute, Hasselt University, Hasselt, Belgium
| | | | - Erika Vlieghe
- Department of Family Medicine and Population Health, Global Health Institute, Antwerp University, Antwerp, Belgium
| | - Steven Callens
- Department of Internal Medicine and Pediatrics, General Internal Medicine, Ghent University, Ghent, Belgium
| | - Lars Engstrand
- Department of Microbiology, Centre for Translational Microbiome Research, Tumour and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Johanna Simin
- Department of Microbiology, Centre for Translational Microbiome Research, Tumour and Cell Biology, Karolinska Institutet, Stockholm, Sweden
| | - Nele Brusselaers
- Department of Microbiology, Centre for Translational Microbiome Research, Tumour and Cell Biology, Karolinska Institutet, Stockholm, Sweden
- Department of Family Medicine and Population Health, Global Health Institute, Antwerp University, Antwerp, Belgium
- Department of Public Health and Primary Care, Ghent University, Ghent, Belgium
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